Nonlinear sound-sheet microscopy: Imaging opaque organs at the capillary and cellular scale.

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Tác giả: Tarannum Ara, Pierina Barturen-Larrea, Mengtong Duan, Valeria Gazzola, Baptiste Heiles, Eleonora Munoz Ibarra, David Maresca, Agisilaos Matalliotakis, Flora Nelissen, Byung Min Park, Mikhail G Shapiro, Dion Terwiel, Rick Waasdorp

Ngôn ngữ: eng

Ký hiệu phân loại: 629.1343536 Aerospace engineering

Thông tin xuất bản: United States : Science (New York, N.Y.) , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 743017

Light-sheet fluorescence microscopy has revolutionized biology by visualizing dynamic cellular processes in three dimensions. However, light scattering in thick tissue and photobleaching of fluorescent reporters limit this method to studying thin or translucent specimens. In this study, we applied nondiffractive ultrasound beams in conjunction with a cross-amplitude modulation sequence and nonlinear acoustic reporters to enable fast and volumetric imaging of targeted biological functions. We reported volumetric imaging of tumor gene expression at the cubic centimeter scale using genetically encoded gas vesicles and localization microscopy of cerebral capillary networks using intravascular microbubble contrast agents. Nonlinear sound-sheet microscopy provides a ~64× acceleration in imaging speed, ~35× increase in imaged volume, and ~4× increase in classical imaging resolution compared with the state of the art in biomolecular ultrasound.
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