nih-gov/www.nibib.nih.gov/labs-at-nibib/ideas-lab/projects/analytical-ultracentrifugation-fluorescence-detectors-acquisition-systems-protein-assembly-dynamics-studies

2214 lines
80 KiB
Text
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!DOCTYPE html>
<html lang="en" dir="ltr" prefix="content: http://purl.org/rss/1.0/modules/content/ dc: http://purl.org/dc/terms/ foaf: http://xmlns.com/foaf/0.1/ og: http://ogp.me/ns# rdfs: http://www.w3.org/2000/01/rdf-schema# schema: http://schema.org/ sioc: http://rdfs.org/sioc/ns# sioct: http://rdfs.org/sioc/types# skos: http://www.w3.org/2004/02/skos/core# xsd: http://www.w3.org/2001/XMLSchema# ">
<head>
<meta charset="utf-8" />
<meta name="description" content="An IDEAS project to provide new tools for studying protein assembly." />
<link rel="shortlink" href="https://www.nibib.nih.gov/node/136306" />
<link rel="canonical" href="https://www.nibib.nih.gov/labs-at-nibib/ideas-lab/projects/analytical-ultracentrifugation-fluorescence-detectors-acquisition-systems-protein-assembly-dynamics-studies" />
<meta name="generator" content="Drupal 8 (http://drupal.org)" />
<meta name="Generator" content="Drupal 10 (https://www.drupal.org)" />
<meta name="MobileOptimized" content="width" />
<meta name="HandheldFriendly" content="true" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="icon" href="/themes/custom/nibib/assets/img/favicon-2024.ico" type="image/vnd.microsoft.icon" />
<script>window.a2a_config=window.a2a_config||{};a2a_config.callbacks=[];a2a_config.overlays=[];a2a_config.templates={};</script>
<title>Analytical Ultracentrifugation Fluorescence Detectors and Acquisition Systems for Protein Assembly Dynamics Studies | National Institute of Biomedical Imaging and Bioengineering</title>
<link rel="stylesheet" media="all" href="/sites/default/files/css/css_mrSLCEdaQXpznxlzrB_hwrubBseN_vYO3jqomvyrnsg.css?delta=0&amp;language=en&amp;theme=nibib&amp;include=eJyFUNFuwzAI_CEr_iSEbZKwuNgyuG3-fk7WbX2I1Bd0h-7gAFOygrJ7fIFpbkXMoSoZsHxRtNJ8VJ3iRokHgUHggHqlEnoo2F7plAlRGrRAIGh0K3dKV6aKQhl-auhmReDOyiHTlbqREra4wtwlsSzQeFkNlBPBzM9z6eed1pDlcJdaS7MubEwK4w_ncUd8FzBuxyQr1b9h4FjE_f2DJZFYyCVu_g07elpm2XxqvWKeXtTNnI1GBqzGY4xw4ODPgOoqNlwa1lV_Xf-dqUvtIbOu4yDd1eg2Qil9Az8Ws78" />
<link rel="stylesheet" media="all" href="/sites/default/files/css/css_aEF6OqZqjqJLoh0a2euYBizjn0L0bvyOyKjN-8ltJN4.css?delta=1&amp;language=en&amp;theme=nibib&amp;include=eJyFUNFuwzAI_CEr_iSEbZKwuNgyuG3-fk7WbX2I1Bd0h-7gAFOygrJ7fIFpbkXMoSoZsHxRtNJ8VJ3iRokHgUHggHqlEnoo2F7plAlRGrRAIGh0K3dKV6aKQhl-auhmReDOyiHTlbqREra4wtwlsSzQeFkNlBPBzM9z6eed1pDlcJdaS7MubEwK4w_ncUd8FzBuxyQr1b9h4FjE_f2DJZFYyCVu_g07elpm2XxqvWKeXtTNnI1GBqzGY4xw4ODPgOoqNlwa1lV_Xf-dqUvtIbOu4yDd1eg2Qil9Az8Ws78" />
<link rel="stylesheet" media="all" href="/sites/default/files/css/css_11GMEshzEGbOCSQllNQaVK4LkoqZwZLhLy6lyXEy8Gc.css?delta=2&amp;language=en&amp;theme=nibib&amp;include=eJyFUNFuwzAI_CEr_iSEbZKwuNgyuG3-fk7WbX2I1Bd0h-7gAFOygrJ7fIFpbkXMoSoZsHxRtNJ8VJ3iRokHgUHggHqlEnoo2F7plAlRGrRAIGh0K3dKV6aKQhl-auhmReDOyiHTlbqREra4wtwlsSzQeFkNlBPBzM9z6eed1pDlcJdaS7MubEwK4w_ncUd8FzBuxyQr1b9h4FjE_f2DJZFYyCVu_g07elpm2XxqvWKeXtTNnI1GBqzGY4xw4ODPgOoqNlwa1lV_Xf-dqUvtIbOu4yDd1eg2Qil9Az8Ws78" />
<!-- Google Tag Manager -->
<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-T4JGL8');</script>
<!-- End Google Tag Manager -->
</head>
<body class="fontyourface">
<a href="#main-content" class="usa-sr-only focusable">
Skip to main content
</a>
<div class="dialog-off-canvas-main-canvas" data-off-canvas-main-canvas>
<section class="usa-banner">
<div class="usa-overlay"></div>
<section class="usa-banner" aria-label="Official website of the United States government">
<div class="usa-accordion">
<header class="usa-banner__header">
<div class="usa-banner__inner">
<div class="grid-col-auto">
<img
aria-hidden="true" class="usa-banner__header-flag" src="/themes/custom/nibib/assets/uswds/img/us_flag_small.png" alt="USA flag"/>
</div>
<div class="grid-col-fill tablet:grid-col-auto" aria-hidden="true">
<p class="usa-banner__header-text">
An official website of the United States government
</p>
<p class="usa-banner__header-action">Heres how you know</p>
</div>
<button type="button" class="usa-accordion__button usa-banner__button" aria-expanded="false" aria-controls="gov-banner-default-default">
<span class="usa-banner__button-text">Heres how you know</span>
</button>
</div>
</header>
<div class="usa-banner__content usa-accordion__content" id="gov-banner-default-default">
<div class="grid-row grid-gap-lg">
<div class="usa-banner__guidance mobile-lg:grid-col-6 tablet:grid-col-4 desktop:grid-col-3">
<img class="usa-banner__icon usa-media-block__img " src="/themes/custom/nibib/assets/uswds/img/icon-dot-gov.svg" role="img" alt="Dot gov icon" aria-hidden="true"/>
<div class="usa-media-block__body">
<p>
<strong>Official websites use .gov</strong><br/>A
<strong>.gov</strong>
website belongs to an official government organization in the United States.</p>
</div>
</div>
<div class="usa-banner__guidance mobile-lg:grid-col-6 tablet:grid-col-4 desktop:grid-col-3">
<img class="usa-banner__icon usa-media-block__img" src="/themes/custom/nibib/assets/uswds/img/icon-https.svg" role="img" alt="Lock Icon" aria-hidden="true"/>
<div class="usa-media-block__body">
<p>
<strong>Secure .gov websites use HTTPS</strong><br/>A
<strong>lock</strong>
(
<span class="icon-lock">
<svg xmlns="http://www.w3.org/2000/svg" width="52" height="64" viewbox="0 0 52 64" class="usa-banner__lock-image" role="img" aria-labelledby="banner-lock-description-default" focusable="false">
<title id="banner-lock-title-default">Lock</title>
<desc id="banner-lock-description-default">Locked padlock icon</desc>
<path fill="#000000" fill-rule="evenodd" d="M26 0c10.493 0 19 8.507 19 19v9h3a4 4 0 0 1 4 4v28a4 4 0 0 1-4 4H4a4 4 0 0 1-4-4V32a4 4 0 0 1 4-4h3v-9C7 8.507 15.507 0 26 0zm0 8c-5.979 0-10.843 4.77-10.996 10.712L15 19v9h22v-9c0-6.075-4.925-11-11-11z"/>
</svg>
</span>) or
<strong>https://</strong>
means youve safely connected to the .gov website. Share sensitive information only on official, secure websites.</p>
</div>
</div>
</div>
</div>
</div>
</section>
</section>
<div class="usa-overlay"></div>
<header class="usa-header usa-header--extended usa-header--extended-megamenu " id="header" role="banner">
<div class="region region-header usa-navbar desktop:padding-y-1 desktop:padding-x-0">
<div class="usa-logo site-logo" id="logo">
<a class="logo-img" href="/" accesskey="1" title="National Instititue of Biomedical Imaging and Bioengineering (NIBIB), Home" aria-label="Home">
<img src="/sites/default/files/NIBIB_Logo_Master_2023.svg" alt="National Instititue of Biomedical Imaging and Bioengineering (NIBIB), Home" />
</a>
</div>
<button type="button" class="usa-menu-btn">Menu</button>
</div>
<nav aria-label="Primary navigation" class="usa-nav">
<div class="usa-nav__inner">
<button type="button" class="usa-nav__close">
<img src="/themes/custom/nibib/assets/uswds/img/usa-icons/close.svg" role="img" alt="Close"/>
</button>
<ul class="usa-nav__primary usa-accordion">
<li class="usa-nav__primary-item">
<button type="button" class="usa-accordion__button usa-nav__link " aria-expanded="false" aria-controls="extended-mega-nav-section-1">
<span>Funding </span>
</button>
<div id="extended-mega-nav-section-1" class="usa-nav__submenu usa-megamenu" hidden="">
<div class="grid-row mm-container">
<div class="desktop:grid-col flex-auto duplicated-parent">
<div class="usa-nav__submenu-item">
<span><a href="/funding" class="link" data-drupal-link-system-path="node/156661">Funding</a> <span class="uswds-arrow-forward"></span></span>
</div>
</div>
</div>
<div class="grid-row mm-container">
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span class="nolink"> <span class="usa-nav__submenu-heading">FUNDING OPPORTUNITIES</span>
</span>
</div>
<ul id="basic-nav-section-1" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/funding/opportunities/all" class="link" data-drupal-link-system-path="funding/opportunities/all"> <span>All Funding Opportunities</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/funding/opportunities/research" class="link" data-drupal-link-system-path="funding/opportunities/research"> <span>Research Opportunities</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/funding/opportunities/training" class="link" data-drupal-link-system-path="funding/opportunities/training"> <span>Training Opportunities</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/funding/opportunities/small-business" class="link" data-drupal-link-system-path="funding/opportunities/small-business"> <span>Small Business Opportunities</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/funding/opportunities/limited-resource-Institutions" class="link" data-drupal-link-system-path="funding/opportunities/limited-resource-Institutions"> <span>Limited-resource Institutions</span>
</a>
</li>
</ul>
</div>
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span class="nolink"> <span class="usa-nav__submenu-heading">FUNDING RESOURCES</span>
</span>
</div>
<ul id="basic-nav-section-2" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/funding/notices" class="link" data-drupal-link-system-path="funding/notices"> <span>Funding Notices</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/funding/policies" target="_self" class="link" data-drupal-link-system-path="node/147366"> <span>Funding Policies</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/funding/nibib-data-management-sharing" class="link" data-drupal-link-system-path="node/138366"> <span>NIBIB Data Management and Sharing </span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/funding/resources" target="_self" class="link" data-drupal-link-system-path="node/147391"> <span>Research Resources</span>
</a>
</li>
</ul>
</div>
</div>
</div>
</li>
<li class="usa-nav__primary-item">
<button type="button" class="usa-accordion__button usa-nav__link " aria-expanded="false" aria-controls="extended-mega-nav-section-2">
<span>Research &amp; Training Programs </span>
</button>
<div id="extended-mega-nav-section-2" class="usa-nav__submenu usa-megamenu" hidden="">
<div class="grid-row mm-container">
<div class="desktop:grid-col flex-auto duplicated-parent">
<div class="usa-nav__submenu-item">
<span><a href="/programs" class="link" data-drupal-link-system-path="node/156656">Research &amp; Training Programs</a> <span class="uswds-arrow-forward"></span></span>
</div>
</div>
</div>
<div class="grid-row mm-container">
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span class="nolink"> <span class="usa-nav__submenu-heading">PROGRAMS</span>
</span>
</div>
<ul id="basic-nav-section-1" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/programs/division-applied-science-technology-dast" target="_self" class="link" data-drupal-link-system-path="node/41841"> <span>Biomedical Imaging</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/programs/division-discovery-science-technology-ddst" target="_self" class="link" data-drupal-link-system-path="node/142251"> <span>Bioengineering</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/programs/division-health-informatics-technologies-dhit" target="_self" class="link" data-drupal-link-system-path="node/41846"> <span>Informatics</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/programs/division-interdisciplinary-training-didt" class="link" data-drupal-link-system-path="node/47546"> <span>Training</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/programs/small-business-programs" class="link" data-drupal-link-system-path="node/156681"> <span>Small Business</span>
</a>
</li>
</ul>
</div>
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span class="nolink"> <span class="usa-nav__submenu-heading">COLLABORATIONS TO ACCELERATE TECHNOLOGY</span>
</span>
</div>
<ul id="basic-nav-section-2" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/programs/radx-innovation-funnel" class="link" data-drupal-link-system-path="node/146966"> <span>RADx Tech Innovation Funnel</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/programs/interagency-modeling-analysis-group-imag" class="link" data-drupal-link-system-path="node/121821"> <span>Interagency Modeling and Analysis Group (IMAG)</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/programs/point-care-technologies-research-network" class="link" data-drupal-link-system-path="node/121936"> <span>Point-of-Care Technology Network (POCTRN)</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/programs/medical-imaging-data-resource-center" class="link" data-drupal-link-system-path="node/127326"> <span>Medical Imaging Data Resource (MIDRC)</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/programs/radx-tech-program/mars" class="link" data-drupal-link-system-path="node/133076"> <span>RADx Mobile At-home Reporting (MARS)</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/programs/national-centers-biomedical-imaging-bioengineering" class="link" data-drupal-link-system-path="node/143396"> <span>National Technology Centers Program (P41)</span>
</a>
</li>
</ul>
</div>
</div>
</div>
</li>
<li class="usa-nav__primary-item">
<button type="button" class="usa-accordion__button usa-nav__link " aria-expanded="false" aria-controls="extended-mega-nav-section-3">
<span>Labs @ NIBIB </span>
</button>
<div id="extended-mega-nav-section-3" class="usa-nav__submenu usa-megamenu" hidden="">
<div class="grid-row mm-container">
<div class="desktop:grid-col flex-auto duplicated-parent">
<div class="usa-nav__submenu-item">
<span><a href="/labs-at-nibib" class="link" data-drupal-link-system-path="node/156726">Labs @ NIBIB</a> <span class="uswds-arrow-forward"></span></span>
</div>
</div>
</div>
<div class="grid-row mm-container">
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span class="nolink"> <span class="usa-nav__submenu-heading">RESOURCES AND CORES</span>
</span>
</div>
<ul id="basic-nav-section-1" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/center-for-biomedical-engineering-technology-acceleration-beta" class="link" data-drupal-link-system-path="node/140991"> <span>BETA Center</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/advanced-imaging-and-microscopy-aim-resource" target="_self" class="link" data-drupal-link-system-path="node/69321"> <span>Advanced Imaging/Microscopy</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/trans-nih-shared-resource-biomedical-engineering-and-physical-science-beps" target="_self" class="link" data-drupal-link-system-path="node/13551"> <span>Biomed Engineering/Physical Science</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/ideas-lab" class="link" data-drupal-link-system-path="node/135571"> <span>IDEAS Resource</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/molecular-tracer-and-imaging-core-facility" class="link" data-drupal-link-system-path="node/138926"> <span>Molecular Tracer and Imaging Core</span>
</a>
</li>
</ul>
</div>
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span class="nolink"> <span class="usa-nav__submenu-heading">LABS</span>
</span>
</div>
<ul id="basic-nav-section-2" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/laboratory-cellular-imaging-and-macromolecular-biophysics-lcimb" target="_self" class="link" data-drupal-link-system-path="node/141566"> <span>Cellular Imaging</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/dynamics-macromolecular-assembly" class="link" data-drupal-link-system-path="node/138901"> <span>Dynamics of Macromolecular Assembly</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/section-immunoengineering" class="link" data-drupal-link-system-path="node/138956"> <span>Immunoengineering</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/section-mechanics-tissue-remodeling-integrating-computational-experimental-systems" target="_self" class="link" data-drupal-link-system-path="node/144586"> <span>Mechanics and Tissue Remodeling</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/section-mechanobiology" class="link" data-drupal-link-system-path="node/138971"> <span>Mechanobiology</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/quantitative-medical-imaging" target="_self" class="link" data-drupal-link-system-path="node/138916"> <span>Quantitative Imaging</span>
</a>
</li>
</ul>
</div>
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span target="_self" class="nolink"> <span class="usa-nav__submenu-heading">RELATED LINKS</span>
</span>
</div>
<ul id="basic-nav-section-3" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/besip" target="_self" class="link" data-drupal-link-system-path="node/34251"> <span>Summer Internship at NIBIB</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/labs-at-nibib/nibib-board-scientific-counselors" target="_self" class="link" data-drupal-link-system-path="node/32501"> <span>Board of Scientific Counselors</span>
</a>
</li>
</ul>
</div>
</div>
</div>
</li>
<li class="usa-nav__primary-item">
<button type="button" class="usa-accordion__button usa-nav__link " aria-expanded="false" aria-controls="extended-mega-nav-section-4">
<span>Science Education </span>
</button>
<div id="extended-mega-nav-section-4" class="usa-nav__submenu usa-megamenu" hidden="">
<div class="grid-row mm-container">
<div class="desktop:grid-col flex-auto duplicated-parent">
<div class="usa-nav__submenu-item">
<span><a href="/science-education" target="_self" class="link" data-drupal-link-system-path="node/156666">Science Education</a> <span class="uswds-arrow-forward"></span></span>
</div>
</div>
</div>
<div class="grid-row mm-container">
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span target="_self" class="nolink"> <span class="usa-nav__submenu-heading">SCIENCE TOPICS</span>
</span>
</div>
<ul id="basic-nav-section-1" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/artificial-intelligence-ai" class="link" data-drupal-link-system-path="node/114791"> <span>Artificial Intelligence (AI)</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/biomaterial-technologies" class="link" data-drupal-link-system-path="node/156766"> <span>Biomaterial Technologies</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/computational-modeling" class="link" data-drupal-link-system-path="node/31416"> <span>Computational Modeling</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/computed-tomography-ct" class="link" data-drupal-link-system-path="node/18996"> <span>Computed Tomography (CT) </span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/magnetic-resonance-imaging-mri" target="_self" class="link" data-drupal-link-system-path="node/18786"> <span>Magnetic Resonance Imaging (MRI)</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/mammography" class="link" data-drupal-link-system-path="node/19036"> <span>Mammography</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/medical-device-technologies" class="link" data-drupal-link-system-path="node/156341"> <span>Medical Device Technologies</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/medical-simulators" class="link" data-drupal-link-system-path="node/156431"> <span>Medical Simulators</span>
</a>
</li>
</ul>
</div>
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span class="nolink"> <span class="usa-nav__submenu-heading">SCIENCE TOPICS cont…</span>
</span>
</div>
<ul id="basic-nav-section-2" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/nuclear-medicine" target="_self" class="link" data-drupal-link-system-path="node/18831"> <span>Nuclear Medicine</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/optical-imaging" target="_self" class="link" data-drupal-link-system-path="node/31426"> <span>Optical Imaging</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/rapid-diagnostics" class="link" data-drupal-link-system-path="node/157006"> <span>Rapid Diagnostics</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/rehabilitation-engineering" class="link" data-drupal-link-system-path="node/30891"> <span>Rehabilitation Engineering</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/robotic-and-bionic-medical-devices" target="_self" class="link" data-drupal-link-system-path="node/153676"> <span>Robotic and Bionic Medical Devices</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/sensors" class="link" data-drupal-link-system-path="node/34241"> <span>Sensors</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/telehealth" class="link" data-drupal-link-system-path="node/33346"> <span>Telehealth</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/ultrasound" target="_self" class="link" data-drupal-link-system-path="node/18766"> <span>Ultrasound</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics/x-rays" target="_self" class="link" data-drupal-link-system-path="node/19176"> <span>X-Rays</span>
</a>
</li>
</ul>
</div>
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span class="nolink"> <span class="usa-nav__submenu-heading">EXPLORE and LEARN</span>
</span>
</div>
<ul id="basic-nav-section-3" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/Understanding-Medical-Scans-App" target="_self" class="link" data-drupal-link-system-path="node/68546"> <span>Medical Imaging App</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/beams-challenge" class="link" data-drupal-link-system-path="node/143486"> <span>Lesson Plans</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/meet-a-scientist" class="link" data-drupal-link-system-path="node/141721"> <span>Meet a Scientist</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="https://www.youtube.com/playlist?list=PLYH1eUq1QYrqrvA6HRRgKHcPsoJoJA6Kj" target="_blank" class="link"> <span>Featured Videos</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/science-education/glossary" target="_self" class="link" data-drupal-link-system-path="science-education/glossary"> <span>Glossary</span>
</a>
</li>
</ul>
</div>
</div>
</div>
</li>
<li class="usa-nav__primary-item">
<button type="button" class="usa-accordion__button usa-nav__link " aria-expanded="false" aria-controls="extended-mega-nav-section-5">
<span>News &amp; Events </span>
</button>
<div id="extended-mega-nav-section-5" class="usa-nav__submenu usa-megamenu" hidden="">
<div class="grid-row mm-container">
<div class="desktop:grid-col flex-auto duplicated-parent">
<div class="usa-nav__submenu-item">
<span><a href="/news-events" target="_self" class="link" data-drupal-link-system-path="node/156671">News &amp; Events</a> <span class="uswds-arrow-forward"></span></span>
</div>
</div>
</div>
<div class="grid-row mm-container">
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span target="_self" class="nolink"> <span class="usa-nav__submenu-heading">NEWS</span>
</span>
</div>
<ul id="basic-nav-section-1" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/news-events/newsroom" class="link" data-drupal-link-system-path="news-events/newsroom"> <span>Newsroom</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/news-events/press-releases" target="_self" class="link" data-drupal-link-system-path="news-events/press-releases"> <span>Press Releases</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/news-events/science-highlights" target="_self" class="link" data-drupal-link-system-path="news-events/science-highlights"> <span>Science Highlights</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/news-events/nibib-news" target="_self" class="link" data-drupal-link-system-path="news-events/nibib-news"> <span>NIBIB in the News</span>
</a>
</li>
</ul>
</div>
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span class="nolink"> <span class="usa-nav__submenu-heading">EVENTS</span>
</span>
</div>
<ul id="basic-nav-section-2" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/news-events/meetings-events/upcoming-events" class="link" data-drupal-link-system-path="news-events/meetings-events/upcoming-events"> <span>Upcoming Events</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/news-events/meetings-events/past-events" class="link" data-drupal-link-system-path="news-events/meetings-events/past-events"> <span>Past Events</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/news-events/meetings-events/photo-galleries" class="link" data-drupal-link-system-path="news-events/meetings-events/photo-galleries"> <span>Event Photos</span>
</a>
</li>
</ul>
</div>
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span target="_self" class="nolink"> <span class="usa-nav__submenu-heading">MEDIA RESOURCES</span>
</span>
</div>
<ul id="basic-nav-section-3" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/science-education/science-topics" target="_self" class="link" data-drupal-link-system-path="node/131271"> <span>Science Topics</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="mailto:nibibpress@mail.nih.gov" target="_self" class="link"> <span>Contact Us</span>
</a>
</li>
</ul>
</div>
</div>
</div>
</li>
<li class="usa-nav__primary-item">
<button type="button" class="usa-accordion__button usa-nav__link " aria-expanded="false" aria-controls="extended-mega-nav-section-6">
<span>About NIBIB </span>
</button>
<div id="extended-mega-nav-section-6" class="usa-nav__submenu usa-megamenu" hidden="">
<div class="grid-row mm-container">
<div class="desktop:grid-col flex-auto duplicated-parent">
<div class="usa-nav__submenu-item">
<span><a href="/about-nibib" target="_self" class="link" data-drupal-link-system-path="node/156676">About NIBIB</a> <span class="uswds-arrow-forward"></span></span>
</div>
</div>
</div>
<div class="grid-row mm-container">
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span target="_self" class="nolink"> <span class="usa-nav__submenu-heading">WHO WE ARE</span>
</span>
</div>
<ul id="basic-nav-section-1" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/about-nibib/mission" target="_self" class="link" data-drupal-link-system-path="node/79861"> <span>Mission &amp; History</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/about-nibib/directors-corner" target="_self" class="link" data-drupal-link-system-path="node/121791"> <span>Director&#039;s Corner</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/about-nibib/organizational-chart" target="_self" class="link" data-drupal-link-system-path="node/18836"> <span>Organization Chart</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/about-nibib/advisory-council" target="_self" class="link" data-drupal-link-system-path="node/876"> <span>Advisory Council</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/about-nibib/careers-at-NIBIB" target="_self" class="link" data-drupal-link-system-path="node/131241"> <span>Jobs @ NIBIB</span>
</a>
</li>
</ul>
</div>
<div class="desktop:grid-col-4 submenu-list-container">
<div class="usa-nav__submenu-item">
<span target="_self" class="nolink"> <span class="usa-nav__submenu-heading">WHAT WE DO</span>
</span>
</div>
<ul id="basic-nav-section-2" class="usa-nav__submenu-list">
<li class="usa-nav__submenu-item">
<a href="/about-nibib/strategic-plan" target="_self" class="link" data-drupal-link-system-path="node/11846"> <span>Strategic Plan</span>
</a>
</li>
<li class="usa-nav__submenu-item">
<a href="/about-nibib/budget" target="_self" class="link" data-drupal-link-system-path="node/911"> <span>Budget</span>
</a>
</li>
</ul>
</div>
</div>
</div>
</li>
</ul>
<div class="usa-nav__secondary">
<div>
<section aria-label="search component" id="nibib-header-search" data-drupal-selector="search-block-form" role="search">
<form id="search-block-form" accept-charset="UTF-8" class="usa-search usa-search--small" role="search" action="/searching" method="get">
<label class="usa-sr-only" for="search-field-en-small">Search</label>
<input aria-label="Search" class="usa-input" id="edit-keys" data-drupal-selector="edit-keys" data-original-title="Enter the terms you wish to search for." data-toggle="tooltip" type="search" name="q" value="" tabindex="-1"/>
<button class="usa-button js-form-submit form-submit" name="search_btn" type="submit" value="Search" tabindex="-1">
<img src="/themes/custom/nibib/assets/uswds/img/usa-icons-bg/search--white.svg" class="usa-search__submit-icon" alt="Search" />
</button>
</form>
</section>
</div>
<ul class="header-nav__secondary-list">
<li class="header-nav__secondary-item">
<a href="/es/nibib-en-espanol"> En Español
</a>
</li>
<li class="header-nav__secondary-item">
<a target="_blank" class="link-list-serve" href="https://public.govdelivery.com/accounts/USNIBIB/subscriber/edit?preferences=true#tab1"> Join LISTSERV
</a>
</li>
</ul>
</div>
</div>
</nav>
</header>
<main class="main-content usa-layout-docs usa-section " role="main" id="main-content">
<div class="grid-container">
<div class="grid-row breadcrumb-social-share-bar">
<div class="tablet:grid-col-6 desktop:grid-col-8">
<div>
<div id="block-breadcrumbs" class="block block-system block-system-breadcrumb-block">
<nav class="usa-breadcrumb--wrap" role="navigation" aria-label="breadcrumb">
<ol class="usa-breadcrumb__list">
<li class="usa-breadcrumb__list-item">
<a href="/" class="usa-breadcrumb__link"><span>Home</span></a>
</li>
<li class="usa-breadcrumb__list-item">
<a href="/labs-at-nibib" class="usa-breadcrumb__link"><span>Labs @ NIBIB</span></a>
</li>
<li class="usa-breadcrumb__list-item">
<a href="/labs-at-nibib/ideas-lab" class="usa-breadcrumb__link"><span>Instrumentation Development and Engineering Application Solutions (IDEAS)</span></a>
</li>
<li class="usa-breadcrumb__list-item">
<a href="/labs-at-nibib/ideas-lab/projects" class="usa-breadcrumb__link"><span>IDEAS Projects</span></a>
</li>
</ol>
</nav>
</div>
</div>
</div>
<div class="tablet:grid-col-6 desktop:grid-col-4">
<div>
<div id="block-addtoanysharebuttons" class="block block-addtoany block-addtoany-block">
<span class="a2a_kit a2a_kit_size_32 addtoany_list" data-a2a-url="https://www.nibib.nih.gov/labs-at-nibib/ideas-lab/projects/analytical-ultracentrifugation-fluorescence-detectors-acquisition-systems-protein-assembly-dynamics-studies" data-a2a-title="Analytical Ultracentrifugation Fluorescence Detectors and Acquisition Systems for Protein Assembly Dynamics Studies"><a class="a2a_button_email"><span class="a2a_svg a2a_s_a2a a2a_s_email a2a-box"><img src="/themes/custom/nibib/assets/img/email-a2a.svg" border="0" alt="Facebook" width="27" height="27"></span></a><a class="a2a_button_facebook"><span class="a2a_svg a2a_s_a2a a2a_s_facebook a2a-box"><img src="/themes/custom/nibib/assets/img/facebook-a2a.svg" border="0" alt="Facebook" width="27" height="27"></span></a><a class="a2a_button_linkedin"><span class="a2a_svg a2a_s_a2a a2a_s_linkedin a2a-box"><img src="/themes/custom/nibib/assets/img/linkedin-a2a.svg" border="0" alt="Facebook" width="27" height="27"></span></a><a class="a2a_button_twitter"><span class="a2a_svg a2a_s_a2a a2a_s_x a2a-box"><img src="/themes/custom/nibib/assets/img/x-a2a.svg" border="0" alt="Facebook" width="27" height="27"></span
</a><a class="a2a_button_whatsapp"><span class="a2a_svg a2a_s_a2a a2a_s_whatsapp a2a-box"><img src="/themes/custom/nibib/assets/img/whatsapp-a2a.svg" border="0" alt="Facebook" width="27" height="27"></span></a><a class="a2a_dd addtoany_share"><span class="a2a_svg a2a_s_a2a a2a_s_share a2a-box"><img src="/themes/custom/nibib/assets/img/share-a2a.svg" border="0" alt="Share" width="27" height="27"></span></a></span>
</div>
</div>
</div>
</div>
<div class="">
<div data-drupal-messages-fallback class="hidden"></div>
</div>
<div class="grid-row ">
</div>
<div class="grid-row grid-gap">
<div class="usa-layout-docs__main desktop:grid-col-fill">
<div id="block-nibib-page-title" class="block--page-title-block">
<h1 class="margin-0 page-header">
<span>Analytical Ultracentrifugation Fluorescence Detectors and Acquisition Systems for Protein Assembly Dynamics Studies</span>
</h1>
</div>
<div id="block-nibib-content" class="block block-system block-system-main-block">
<article data-history-node-id="136306" about="/labs-at-nibib/ideas-lab/projects/analytical-ultracentrifugation-fluorescence-detectors-acquisition-systems-protein-assembly-dynamics-studies" class="ideas-projects node--ideas-projects node--type-ideas-projects">
<div class="ideas-projects-collaborators">
<div class="content ideas-content">
<div class="field field--name-field-paragraphs field--type-entity-reference-revisions field--label-above">
<div class="ideas-project-section-title">
<h2 class="field--label">Collaborators</h2>
</div>
<div class="field--items grid-row flex-row">
<span class="grid-col flex-auto"> <div class="paragraph paragraph--type--collaborators paragraph--view-mode--default">
<div class="field field--name-field-collaborator field--type-link field--label-hidden field__item"><span>Peter Schuck, Ph.D.</span></div>
<div class="field field--name-field-institution field--type-string field--label-hidden field__item">Dynamics of Macromolecular Assembly Section, Laboratory of Cellular Imaging and Macromolecular Biophysics, NIBIB</div>
</div>
</span>
<span class="grid-col flex-auto"> <div class="paragraph paragraph--type--collaborators paragraph--view-mode--default">
<div class="field field--name-field-collaborator field--type-link field--label-hidden field__item"><span>Huaying Zhao, Ph.D.</span></div>
<div class="field field--name-field-institution field--type-string field--label-hidden field__item">Dynamics of Macromolecular Assembly Section, Laboratory of Cellular Imaging and Macromolecular Biophysics, NIBIB</div>
</div>
</span>
</div>
<div class="affiliations margin-top-205">
<button type="button" class="usa-button btn btn-primary toggle">See Affiliations</button>
<ol>
</ol>
</div>
</div>
</div>
</div>
<div class="ideas-project-section-title">
<h2>Project Brief</h2>
</div>
<div class="field field--name-body field--type-text-with-summary field--label-hidden field__item"><p>Analytical ultracentrifugation, though a classical biophysical discipline, has undergone a renaissance in the last decade due to new computational capabilities and new instrumentation, with increasing applications in structural biology and immunology, for example, for the study of protein interactions and multi-protein complexes, and in biotechnology industry for the characterization of protein pharmaceuticals and nanoparticles for drug delivery.&nbsp;</p>
<p>Very recently the Section of the Dynamics of Macromolecular Assembly (DMAS) has embarked on the use of fluorescence detection in analytical ultracentrifugation (fdAUC). Using a commercial fluorescence detector, in combination with newly developed computational tools, DMAS has achieved unprecedented sensitivity, which allows the characterization of protein assemblies in the low picomolar concentration range and from unpurified cell extracts. This has great potential to serve as a complementary tool to single-molecule fluorescence microscopy by measuring the size of macromolecular complexes in fdAUC after their observed co-localization determined by cellular imaging. Unfortunately, the commercial fluorescence detector is limited to a single excitation wavelength and allows only very constrained sedimentation and detection modes.</p>
<p>Jointly DMAS and SPIS want to bring to bear for fdAUC the entire toolset of fluorescence spectroscopy with the following goals:</p>
<ul>
<li>Detection of protein complex formation and size determination of weakly associated reversible macromolecular assemblies in crude cellular extracts of macromolecules with 105 or fewer copies per cell.</li>
<li>Integration of optical detection models with new centrifugal sedimentation modes suitable for large assemblies and nanoparticles.</li>
<li>Multi-channel detection of several fluorophores to improve specificity in the study of multi-protein interactions.</li>
<li>Flexible excitation and emission wavelength selection to detect energy transfer and minimize background from cellular autofluorescence.</li>
<li>Pulsed excitation and time-gated detection for rotational diffusion measurements to enhance macromolecular size and shape measurement.</li>
<li>To achieve these goals, it will be essential to design a novel, flexible ultracentrifugal fluorescence detection platform capable of accommodating high-speed multi-channel excitation and emission detection, controlling switchable polarizers and filters, and detecting time-resolved fluorescence. &nbsp;&nbsp;</li>
</ul>
<p>To this end, DMAS has already modified the commercial analytical ultracentrifuge to equip the ultracentrifugal high vacuum chamber with multiple optical and electrical feedthroughs and an optical table localized close to the spinning rotor. &nbsp;For the next stage, we are in the process of building a mock-up centrifuge to experiment with the optical design and test data acquisition and signal processing modes.&nbsp;</p>
<p>The design of fdAUC with real-time signal processing requires measurement and synchronization with sample rotation in the microsecond time-scale, sample pre-processing across the nanosecond time scale, control of optical elements for radial scanning in the time-scale of seconds, and storage of data for further analysis across a time-scale of hours. To achieve these goals, SPIS specified and installed a commercial data acquisition system to integrate with the photomultiplier tubes (PMT) used to measure the fluorescent signals. In addition, SPIS designed and implemented custom PMT amplifier circuitry to achieve the required amplification and bandwidth. Finally, SPIS wrote custom application software providing an interface for the user to control the system parameters, process the data in real-time, and display the final results. The instrumentation and algorithms accomplishing these tasks will form the backbone for the implementation of the different fdAUC modes envisioned above.</p>
<p>We anticipate multiple milestones in this project, each expanding our capability in macromolecular characterization. &nbsp;The first likely achievable even with the mock-up centrifuge will be a stationary AUC detector for rapid-sedimenting and non-diffusing particles, which will greatly extend the size-range for AUC analysis. &nbsp;After installation of the fluorescence detection platform in the ultracentrifuge, we anticipate multi-spectral detection in standard sedimentation velocity modes will increase the complexity of interacting protein systems that can be studied. &nbsp;DMAS has several NIH IRP collaborative projects studying molecules from different immunological pathways where these new capabilities could be tested and immediately exploited, while ongoing fdAUC development work could optimize sensitivity and explore innovative strategies.</p>
<p>&nbsp;</p>
<figure role="group" class="align-center">
<img alt="A photo of the centrifugation device with wires, a rotor, a motor, and the lens and filters" data-entity-type="file" data-entity-uuid="b25b8363-ef95-4756-8ec4-aeeb4eab4615" src="/sites/default/files/inline-images/Fig1_small.png" width="936" height="702" loading="lazy"></p>
<figcaption>The test system for the fluorescence detection for Analytical UltraCentrifugation. The rotor holds 8 sample centerpieces which rotate under optics connected to two photomultiplier tubes (PMT). Each PMT optical path incorporates different optical filters allowing multiple fluorescent probes to be used simultaneously. Additional excitation light source optics (not shown) illuminate the samples from underneath the assembly. A motor rotates the rotor assembly at much slower speeds than is possible in a commercial ultracentrifuge. The entire optics platform is designed to be compatible and easily duplicated for integration with a commercial ultracentrifuge.</figcaption>
</figure>
<p>&nbsp;</p>
<p>&nbsp;</p>
<figure role="group" class="align-center">
<img alt="A photo of the underside of the AUC test system with the Laser Collimator" data-entity-type="file" data-entity-uuid="5a14983e-cba6-4907-9aaf-bb1ce44a63d2" src="/sites/default/files/inline-images/Fig2_small.png" width="936" height="702" loading="lazy"></p>
<figcaption>View of test system for fluorescent detection of Analytical UltraCentrifugation. A fiber optic cable guides a laser (not shown) through a collimator and a galvanometer which allows directing the laser spot along the length of the sample chamber. Mirrors direct the beam up through the steel plate which holds the rotor and samples.</figcaption>
</figure>
<p>&nbsp;</p>
<p>&nbsp;</p>
<figure role="group" class="align-center">
<img alt="A graph with blue and green lines" data-entity-type="file" data-entity-uuid="0069749a-5600-4007-8d8a-6112051c4420" height="702" src="/sites/default/files/inline-images/Analytical%203.png" width="935" loading="lazy"></p>
<figcaption>The prototype fluorescent detection data acquisition and user interface application software. This custom application provides real-time capture of the photomultiplier tube signals, control of the galvanometer used to sweep the laser light radially and display of the data acquired from specific rotor sample positions.</figcaption>
</figure>
<p>&nbsp;</p>
</div>
<div class="ideas-project-section-title grid-row flex-align-center">
<div class="grid-col flex-fill">
<h2>Capabilities</h2>
</div>
<div class="grid-col flex-auto padding-top-1 padding-right-2">
<a href="/labs-at-nibib/ideas-lab/capabilities">See All IDEAS Capabilities</a>
</div>
</div>
<div class="field field--name-field-ideas-capabilities field--type-entity-reference field--label-hidden field__items">
<div class="field__item"><div class="bs-1col taxonomy-term taxonomy-term--type-ideas taxonomy-term--view-mode-ideas-taxonomy-capabilities-term-link">
<div class="bs-region bs-region--main">
<div class="field field--name-field-capabilities-page-link field--type-link field--label-hidden field--item"><a href="/ideas-lab/home/capabilities/analog-digital-opto-electronics-circuitry">Analog, digital, and opto-electronics circuitry</a> </div>
</div>
</div>
</div>
<div class="field__item"><div class="bs-1col taxonomy-term taxonomy-term--type-ideas taxonomy-term--view-mode-ideas-taxonomy-capabilities-term-link">
<div class="bs-region bs-region--main">
<div class="field field--name-field-capabilities-page-link field--type-link field--label-hidden field--item"><a href="/ideas-lab/home/capabilities/computer-based-instrumentation">Computer-based instrumentation</a> </div>
</div>
</div>
</div>
<div class="field__item"><div class="bs-1col taxonomy-term taxonomy-term--type-ideas taxonomy-term--view-mode-ideas-taxonomy-capabilities-term-link">
<div class="bs-region bs-region--main">
<div class="field field--name-field-capabilities-page-link field--type-link field--label-hidden field--item"><a href="/ideas-lab/home/capabilities/data-acquisition-methods">Data acquisition methods</a> </div>
</div>
</div>
</div>
<div class="field__item"><div class="bs-1col taxonomy-term taxonomy-term--type-ideas taxonomy-term--view-mode-ideas-taxonomy-capabilities-term-link">
<div class="bs-region bs-region--main">
<div class="field field--name-field-capabilities-page-link field--type-link field--label-hidden field--item"><a href="/ideas-lab/home/capabilities/digital-signal-image-video-processing">Digital signal, image, and video processing</a> </div>
</div>
</div>
</div>
<div class="field__item"><div class="bs-1col taxonomy-term taxonomy-term--type-ideas taxonomy-term--view-mode-ideas-taxonomy-capabilities-term-link">
<div class="bs-region bs-region--main">
<div class="field field--name-field-capabilities-page-link field--type-link field--label-hidden field--item"><a href="/ideas-lab/home/capabilities/electromechanical-devices-robotics-process-automation">Electromechanical devices, robotics, and process automation</a> </div>
</div>
</div>
</div>
</div>
</div>
</article>
</div>
</div>
</div>
</div>
</main>
<footer class="usa-footer usa-footer--big">
<div class="usa-footer__primary-section">
<div class="grid-container pre-footer">
<div class="prefooter-row">
<div class="pre-footer-col">
<div>
<nav role="navigation" aria-labelledby="block-nibib-prefootermenu1-menu" id="block-nibib-prefootermenu1">
<h2 id="block-nibib-prefootermenu1-menu">Research</h2>
<ul class="menu menu--pre-footer-menu-1 nav">
<li class="first">
<a href="/programs/division-interdisciplinary-training-didt/debut" class="first" data-drupal-link-system-path="node/121961">DEBUT</a>
</li>
<li>
<a href="/funding/opportunities/all" data-drupal-link-system-path="funding/opportunities/all">Funding Opportunities</a>
</li>
<li>
<a href="/labs-at-nibib" data-drupal-link-system-path="node/156726">Labs@NIBIB</a>
</li>
<li class="last">
<a href="/programs/division-interdisciplinary-training-didt" class="last" data-drupal-link-system-path="node/47546">Training</a>
</li>
</ul>
</nav>
</div>
</div>
<div class="pre-footer-col">
<div>
<nav role="navigation" aria-labelledby="block-nibib-prefootermenu2-menu" id="block-nibib-prefootermenu2">
<h2 id="block-nibib-prefootermenu2-menu">EXPLORE</h2>
<ul class="menu menu--pre-footer-menu-2 nav">
<li class="first">
<a href="/news-events/newsroom" class="first" data-drupal-link-system-path="news-events/newsroom">Newsroom</a>
</li>
<li>
<a href="/news-events/meetings-events/upcoming-events" data-drupal-link-system-path="news-events/meetings-events/upcoming-events">Events</a>
</li>
<li>
<a href="/science-education" data-drupal-link-system-path="node/156666">Science Education</a>
</li>
<li class="last">
<a href="/about-nibib/strategic-plan" class="last" data-drupal-link-system-path="node/11846">Strategic Plan</a>
</li>
</ul>
</nav>
</div>
</div>
<div class="pre-footer-col">
<div>
<nav role="navigation" aria-labelledby="block-nibib-prefootermenu3-menu" id="block-nibib-prefootermenu3">
<h2 id="block-nibib-prefootermenu3-menu">SITE INFO</h2>
<ul class="menu menu--pre-footer-menu-3 nav">
<li class="first">
<a href="/disclaimer" class="first" data-drupal-link-system-path="node/18756">Disclaimer</a>
</li>
<li>
<a href="/policies" data-drupal-link-system-path="node/18761">Policies</a>
</li>
<li>
<a href="/sitemap" data-drupal-link-system-path="sitemap">Sitemap</a>
</li>
<li class="last">
<a href="/about-nibib/staff" class="last" data-drupal-link-system-path="about-nibib/staff">Staff Directory</a>
</li>
</ul>
</nav>
</div>
</div>
<div class="pre-footer-col">
<div>
<div id="block-nibib-listserv" class="block block-simple-block block-simple-blockprefooter-block-4">
<h2 class="block-title" >LISTSERV</h2>
<div class="usa-sign-up">
<form class="usa-form" accept-charset="UTF-8" action="https://public.govdelivery.com/accounts/USNIBIB/subscribers/qualify" id="GD-snippet-form" method="post">
<input name="utf8" type="hidden" value="✓">
<input name="authenticity_token" type="hidden" value="3VodVbPSwVMsPIIUJqtTROIeRmelSDuxCCzkKeiQhgJhy86M45yuIBHV3dt6P927jW7W5igGxTijSVid0BSqLQ=="> Get the latest NIBIB news and updates <label class="usa-sr-only" for="email">Email Address</label><br />
<input class="usa-input" id="email" name="email" placeholder="Email Address" type="text">
<input class="usa-button usa-button--secondary" name="commit" type="submit" value="Submit">&nbsp;</p>
</form>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="footer-agency">
<div class="grid-container">
<div class="grid-row">
<div class="usa-footer__logo footer-agency--column">
<div class="mobile-lg:grid-col-auto">
<a href="https://nibib.nih.gov">
<img class="usa-footer__logo-img" src="/themes/custom/nibib/assets/img/NIBIB_Logo_Master_2024-footer.png" alt="Agency logo">
</a>
</div>
</div>
<div class="footer-agency--column">
<div class="usa-footer__contact-links ">
<div class="usa-footer__contact-links-title">
<h5>STAY IN TOUCH</h5>
</div>
<div class="usa-footer__social-links grid-row grid-gap-1">
<div class="grid-col-auto">
<a class="usa-social-link usa-social-link--facebook" href="https://www.facebook.com/nibibgov">
<img class="usa-social-link__icon" src="/themes/custom/nibib/assets/uswds/img/usa-icons/facebook.svg" alt="Facebook">
</a>
</div>
<div class="grid-col-auto">
<a class="usa-social-link usa-social-link--twitter" href="https://twitter.com/nibibgov">
<img class="usa-social-link__icon" src="/themes/custom/nibib/assets/uswds/img/usa-icons/x.svg" alt="Twitter">
</a>
</div>
<div class="grid-col-auto">
<a class="usa-social-link usa-social-link--youtube" href="https://www.youtube.com/user/NIBIBTV">
<img class="usa-social-link__icon" src="/themes/custom/nibib/assets/uswds/img/usa-icons/youtube.svg" alt="YouTube">
</a>
</div>
<div class="grid-col-auto">
<a class="usa-social-link usa-social-link--linkedin" href="https://www.linkedin.com/company/national-institute-of-biomedical-imaging-and-bioengineering-nibib/">
<img class="usa-social-link__icon" src="/themes/custom/nibib/assets/uswds/img/usa-icons/linkedin.svg" alt="LinkedIn">
</a>
</div>
<div class="grid-col-auto">
<a class="usa-social-link usa-social-link--rss" href="https://www.nibib.nih.gov/rss-feeds">
<img class="usa-social-link__icon" src="/themes/custom/nibib/assets/uswds/img/usa-icons/rss_feed.svg" alt="RSS">
</a>
</div>
</div>
<div class="usa-footer__contact-links-contact">
<a href="/contact-us">Contact Us</a>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="usa-footer__secondary-section">
<div class="grid-container">
<div class="grid-row">
<div class="pre-footer-col-fill">
<p class="margin-0"><a href="/">nibib.nih.gov</a><br/><em>An official website of the <Span class="link-underlined"><a href="https://www.nih.gov">National Institutes of Health</a></span> and the <Span class="link-underlined"><a href="https://www.hhs.gov">Department of Health and Human Services</a></span></em></p>
</div>
</div>
</div>
<div class="grid-container">
<div class="grid-row bottom-footer-links">
<div class="tablet:grid-col-12">
<nav class="usa-footer__nav usa-identifier__container">
<div class="grid-row ">
<div class="mobile-lg:grid-col-6 desktop:grid-col-3 footer-menu-item">
<strong><a href="https://www.nih.gov/about-nih" class="link usa-footer_secondary-link">About NIH</a></strong>
<ul class="usa-list usa-list--unstyled">
</ul>
</div>
<div class="mobile-lg:grid-col-6 desktop:grid-col-3 footer-menu-item">
<strong><a href="https://www.nih.gov/institutes-nih/nih-office-director/office-communications-public-liaison/freedom-information-act-office" class="link usa-footer_secondary-link">FOIA requests</a></strong>
<ul class="usa-list usa-list--unstyled">
</ul>
</div>
<div class="mobile-lg:grid-col-6 desktop:grid-col-3 footer-menu-item">
<strong><a href="https://oig.hhs.gov/" class="link usa-footer_secondary-link">Office of the Inspector General</a></strong>
<ul class="usa-list usa-list--unstyled">
</ul>
</div>
<div class="mobile-lg:grid-col-6 desktop:grid-col-3 footer-menu-item">
<strong><a href="https://www.nih.gov/privacy-policy" class="link usa-footer_secondary-link">Privacy policy</a></strong>
<ul class="usa-list usa-list--unstyled">
</ul>
</div>
<div class="mobile-lg:grid-col-6 desktop:grid-col-3 footer-menu-item">
<strong><a href="https://www.nih.gov/accessibility" class="link usa-footer_secondary-link">Accessibility statement</a></strong>
<ul class="usa-list usa-list--unstyled">
</ul>
</div>
<div class="mobile-lg:grid-col-6 desktop:grid-col-3 footer-menu-item">
<strong><a href="https://www.edi.nih.gov/no-fear-act" class="link usa-footer_secondary-link">No FEAR Act data</a></strong>
<ul class="usa-list usa-list--unstyled">
</ul>
</div>
<div class="mobile-lg:grid-col-6 desktop:grid-col-3 footer-menu-item">
<strong><a href="https://www.hhs.gov/vulnerability-disclosure-policy/index.html" class="link usa-footer_secondary-link">Vulnerability Disclosure</a></strong>
<ul class="usa-list usa-list--unstyled">
</ul>
</div>
</div>
</nav>
</div>
</div>
</div>
<div class="grid-container ">
<div class="grid-row">
<div class="pre-footer-col-fill">
<p class="margin-0">Looking for U.S. government information and services? <Span class="link-underlined"><a href="https://USA.gov">Visit USA.gov</a></span></p>
</div>
</div>
</div>
</div>
</footer>
</div>
<script type="application/json" data-drupal-selector="drupal-settings-json">{"path":{"baseUrl":"\/","pathPrefix":"","currentPath":"node\/136306","currentPathIsAdmin":false,"isFront":false,"currentLanguage":"en"},"pluralDelimiter":"\u0003","suppressDeprecationErrors":true,"back_to_top":{"back_to_top_button_trigger":100,"back_to_top_speed":1200,"back_to_top_prevent_on_mobile":true,"back_to_top_prevent_in_admin":false,"back_to_top_button_type":"image","back_to_top_button_text":"Scroll to top"},"data":{"extlink":{"extTarget":true,"extTargetAppendNewWindowLabel":"(opens in a new window)","extTargetNoOverride":false,"extNofollow":true,"extTitleNoOverride":false,"extNoreferrer":false,"extFollowNoOverride":false,"extClass":"ext","extLabel":"(link is external)","extImgClass":false,"extSubdomains":true,"extExclude":"(.)\\.gov\/(.)|(.)\\.gov","extInclude":"","extCssExclude":".social_media_share_icons, ul.we-mega-menu-ul, .path-research-funding .main-container.container .row .col-sm-12 .dynamic-layouts-container .dynamic-layout-row.rows_one_col_one_two .col_two_row_one:nth-child(2) section.block.block-block-content:nth-child(1), .path-taxonomy .main-container.container .row .col-sm-12 .dynamic-layouts-container .dynamic-layout-row.rows_one_col_one_two .col_two_row_one:nth-child(2) section.block.block-block-content:nth-child(1),\r\n.path-frontpage .main-container.container .region.region-content #block-nibib-homepage-slider.background-gradient\r\n.carousel.slide .carousel-indicators li","extCssInclude":"","extCssExplicit":"","extAlert":true,"extAlertText":"You are leaving the NIBIB website.\r\nThis external link provides additional information that is consistent with the intended purpose of this site. NIBIB cannot attest to the accuracy of a non-federal site. Linking to a non-federal site does not constitute an endorsement by NIBIB or any of its employees of the sponsors or the information and products presented on the site. \r\nYou will be subject to the destination site`s privacy policy when you follow the link.","extHideIcons":false,"mailtoClass":"mailto","telClass":"tel","mailtoLabel":"(link sends email)","telLabel":"(link is a phone number)","extUseFontAwesome":false,"extIconPlacement":"append","extPreventOrphan":false,"extFaLinkClasses":"fa fa-external-link","extFaMailtoClasses":"fa fa-envelope-o","extAdditionalLinkClasses":"","extAdditionalMailtoClasses":"","extAdditionalTelClasses":"","extFaTelClasses":"fa fa-phone","whitelistedDomains":[],"extExcludeNoreferrer":""}},"mediaelement":{"attachSitewide":0,"setDimensions":1},"user":{"uid":0,"permissionsHash":"5d02273f88884bb823a737a4f2b97e7e823a3c5950c86691a545715b47c2093d"}}</script>
<script src="/sites/default/files/js/js_VIKmHJLassoHIjOVjZ-vppnLFuZS2C9fChz13CRlzKg.js?scope=footer&amp;delta=0&amp;language=en&amp;theme=nibib&amp;include=eJxNiEEOgCAMwD6E7ElkMDXThRE2ov5eDxxMemiLRK5YH8ApcetaPWQsZ3L9aPDzdFhYbxeuJ1AfDSXODJUzZ9hFM8pipXNzm3PYRfYCsSopeQ"></script>
<script src="https://static.addtoany.com/menu/page.js" defer></script>
<script src="/sites/default/files/js/js_y3Rdmz7s1JijwoYWYTWhfX5KeoSRsxkN3oGF3oFAcDg.js?scope=footer&amp;delta=2&amp;language=en&amp;theme=nibib&amp;include=eJxNiEEOgCAMwD6E7ElkMDXThRE2ov5eDxxMemiLRK5YH8ApcetaPWQsZ3L9aPDzdFhYbxeuJ1AfDSXODJUzZ9hFM8pipXNzm3PYRfYCsSopeQ"></script>
</body>
</html>