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Metasurface-Integrated Open-Top Lattice Light Sheet Microscope for High-Throughput Bioimaging

Award Number: R21EB035681
ORGANIZATION: NATIONAL INSTITUTE Of BIOMEDICAL IMAGING & BIOENGINEERING
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 03/11/2024
PERIOD OF PERFORMANCE END DATE: 02/28/2027

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Metasurface-Integrated Open-Top Lattice Light Sheet Microscope for High-Throughput Bioimaging - Project Summary Life is a complex and dynamics process that relies on intricate spatiotemporal interactions among molecules and subcellular organelles within cells and multicellular organisms. Recent advances in light sheet fluorescence microscopy (LSFM), have greatly expanded our capability to visualize, track and quantify these dynamic interactions with high-resolution across all four dimensions (4D) of spacetime with minimum invasiveness and photobleaching. Notable among the LSFM technologies is the lattice light sheet microscopy (LLSM), which excels at 4D subcellular dynamics imaging with resolution, speed, and non-invasiveness superior to the widely used confocal microscopy. However, the adoption of LSFM in biomedical research remains limited due to its incompatibility with widely used sample holders such as multi-well plates or microfluidic chips. LSFM, when operated in an inverted open-top configuration with two orthogonal high numerical aperture (NA) objectives, experiences complex optical aberrations that severely degrade image quality. Significant efforts, including specialized sample holder, single-objective architecture, and adaptive optics, have been devoted, but they are either technically demanding or suffer from various performance drawbacks. A compact, high-performance, cost- effective, and user-friendly LSFM system that suits the widely used sample holders has yet to be developed. This proposal aims to address this crucial incompatibility between LSFM and high-throughput imaging by leveraging recent advances in optical metasurfaces. These microfabricated 2D metasurfaces consisting of nanoscale plasmonic arrays with subwavelength periodicity are capable of shaping light with an unprecedented level of complexity and precision. We will develop an inverted open-top LLSM system with integrated optical metasurfaces that is compatible with conventional high-throughput sample holders for imaging of molecular and subcellular dynamics within live cells and multicellular organisms. In addition, we will create an open-source computational pipeline to facilitate the design and fabrication of optical metasurfaces for user-defined open-top LSFM configurations. Our proposed system will provide a compact, cost-effective, and high-performance solution to overcome the limitations of existing LSFM systems, enabling biomedical researchers to visualize subcellular dynamics in a high-throughput and noninvasive manner. To validate the effectiveness and applicability of our system, we will demonstrate its performance through high-content molecular dynamic mapping of chimeric antigen receptor T (CAR-T) cells and organelle profiling of zebrafish development. While the implementation of our metasurface-integrated open-top LSFM is on LLSM, the metasurface design pipeline and integration protocol can be readily adapted and extended to a wide range of existing LSFM systems. By combining the power of LSFM with metasurfaces, our proposed technology will provide an accessible and high-performance solution for high-resolution 4D imaging of physiological and pathological processes within live cells and organisms.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2026 ( Subtotal = $205,000 )
2026	2026	THE TRUSTEES OF PRINCETON UNIVERSITY	1 NASSAU HALL	PRINCETON	NJ	08544	MERCER	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	3	2/27/2026	NON-COMPETING CONTINUATION	$205,000
														Subtotal = $205,000

Issue Date FY: 2025 ( Subtotal = $246,000 )
2025	2025	THE TRUSTEES OF PRINCETON UNIVERSITY	1 NASSAU HALL	PRINCETON	NJ	08544	MERCER	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	001	2	5/19/2025	NON-COMPETING CONTINUATION	$24,600
2025	2025	THE TRUSTEES OF PRINCETON UNIVERSITY	1 NASSAU HALL	PRINCETON	NJ	08544	MERCER	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	2	2/18/2025	NON-COMPETING CONTINUATION	$221,400
														Subtotal = $246,000

Issue Date FY: 2024 ( Subtotal = $204,375 )
2024	2024	THE TRUSTEES OF PRINCETON UNIVERSITY	1 NASSAU HALL	PRINCETON	NJ	08544	MERCER	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	000	1	3/11/2024	NEW	$183,938
2024	2024	THE TRUSTEES OF PRINCETON UNIVERSITY	1 NASSAU HALL	PRINCETON	NJ	08544	MERCER	USA	Discovery and Applied Research for Technological Innovations to Improve Human Health	001	1	4/25/2024	NEW	$20,437
														Subtotal = $204,375

Grand Total All Awards = $655,375

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Metasurface-Integrated Open-Top Lattice Light Sheet Microscope for High-Throughput Bioimaging

Award Number: R21EB035681

ORGANIZATION: NATIONAL INSTITUTE Of BIOMEDICAL IMAGING & BIOENGINEERING

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 03/11/2024

PERIOD OF PERFORMANCE END DATE: 02/28/2027

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