IP Library › Granted Patent US 12,535,669
Granted Patent B2
US 12,535,669 · App. 18/608,490 · Granted Jan 27, 2026

Microscope-based system and method for image-guided microscopic illumination

Inventors: Jung-Chi Liao (Taipei, TW); Yi-De Chen (Taipei, TW); Chih-Wei Chang (Taipei, TW); Weng Man Chong (Taipei, TW)
Assignee: Academia Sinica
G02B21/365G02B21/06G02B21/26G06V10/141G06V10/25G06V20/693H04N23/56H04N23/74
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Quick Facts
Patent No.
US 12,535,669
App. No.
18/608,490
Granted
Jan 27, 2026
Kind
B2
Abstract

A system and method for image-guided microscopic illumination are provided. A processing module controls an imaging assembly such that a camera acquires an image or images of a sample in multiple fields of view, and the image or images are automatically transmitted to a processing module and processed by the first processing module automatically in real-time based on a predefined criterion so as to determine coordinate information of an interested region in each field of view. The processing module also controls an illuminating assembly to illuminate the interested region of the sample according to the received coordinate information regarding to the interested region, with the illumination patterns changing among the fields of view.

Claims (19)

1 . A system for proximity photolabeling of target proteins in a biological sample, comprising:

a microscope comprising a biological sample loaded on a stage;

an imaging assembly comprising a camera and an imaging light source, wherein the imaging assembly is configured to acquire at least one image of a plurality of fields of view of the biological sample;

an illumination assembly comprising a photosensitizing light source and a pattern illumination device, wherein the photosensitizing light source is configured to induce a photochemical reaction in the biological sample, and wherein the pattern illumination device is configured to control the laser to illuminate a plurality of patterns in the plurality of fields of view of the biological sample;

at least one processor operatively coupled to the imaging assembly, the illumination assembly, and the stage, the at least one processor being configured to:

control the imaging assembly to acquire a first image in a first field of view of the biological sample;

process the first image to determine a first region of interest of the first field of view of the biological sample;

control the illumination assembly to illuminate the first field of view with a first light pattern that corresponds to the first region of interest; and

after the first region of interest of the first field of view has been illuminated, control the stage to a subsequent field of view of the biological sample.

2 . The system according to claim 1 , wherein the processor is further configured to:

control the imaging assembly to acquire a second image in the subsequent field of view;

process the second image to determine a second region of interest of the subsequent field of view;

control the illumination assembly to illuminate the second field of view with a second light pattern that corresponds to the second region of interest and is different than the first light pattern.

3 . The system according to claim 1 , wherein the pattern illumination device comprises a pair of scanning mirrors, a digital micromirror device, or a spatial light modulator, which is disposed between the photosensitizing light source and the microscope along an illuminating light path.

4 . The system according to claim 1 , wherein the photosensitizing light source is configured to produce free radical release of a photosensitizer resulting in biotinylation of amino acids in the first region of interest of the biological sample.

5 . The system according to claim 4 , wherein the system further comprises a mass spectrometer configured to perform proteomic analysis of the biotinylated biological sample.

6 . The system according to claim 1 , wherein the photosensitizing light source comprises a femtosecond laser to generate a two-photon effect for high axial illumination precision.

7 . The system according to claim 1 , wherein the processor is configured to determine the first region of interest of the biological sample based on a predefined criterion to obtain first coordinate information corresponding to the first region of interest.

8 . The system according to claim 7 , wherein the predefined criterion comprises a morphology, intensity, contrast, or specific features of the first image.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 2, 2024
From: LIAO, JUNG-CHI; CHEN, YI-DE; CHANG, CHIH-WEI; CHONG, WENG MAN
To: ACADEMIA SINICA
Reel/Frame 066983/0661 →
Continuity (5)
Continuation 18464125 · Sep 8, 2023
Continuation 17592211 · Feb 3, 2022
Continuation 16013663 · Jun 20, 2018
Provisional Application 62522265 · Jun 20, 2017
Related Publication 20240219705A1 · Jul 4, 2024
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