The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 23, 2021

Filed:

Jan. 18, 2018
Applicant:

California Institute of Technology, Pasadena, CA (US);

Inventors:

Viviana Gradinaru, La Canada-Flintridge, CA (US);

Ken Y. Chan, Pasadena, CA (US);

Alon Grinbaum, West Hollywood, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 1/30 (2006.01); G01N 1/36 (2006.01); A61K 35/32 (2015.01); G01N 1/34 (2006.01);
U.S. Cl.
CPC ...
G01N 1/30 (2013.01); A61K 35/32 (2013.01); G01N 1/34 (2013.01); G01N 1/36 (2013.01); G01N 2001/302 (2013.01); G01N 2001/364 (2013.01);
Abstract

Described herein is a bone tissue clearing method with enhanced optical access. Compositions and techniques for bone tissue clearing include continuous convective flow during the clearing process, amino alcohol to minimize tissue autofluorescence, and an imaging procedure that minimizes refractive index variations in light-sheet microscopy. These improvements allowed the Inventors to achieve whole-bone clearing with an imaging depth of up to about 1.5 mm while maintaining fluorescence and a signal-to-noise ratio (SNR) that permits detection and 3D placement of single cells. In various embodiments, the present application teaches methods and kits for clearing and optionally subsequently visualizing tissue containing bone.


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