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Author:

Wu, Yuanyuan (Wu, Yuanyuan.) | Zhao, Lei (Zhao, Lei.) | Chang, Yaran (Chang, Yaran.) | Zhao, Liang (Zhao, Liang.) | Guo, Guangsheng (Guo, Guangsheng.) | Wang, Xiayan (Wang, Xiayan.) (Scholars:汪夏燕)

Indexed by:

Scopus SCIE

Abstract:

\ Single-cell imaging, a powerful analytical method to study single-cell behavior, such as gene expression and protein profiling, provides an essential basis for modern medical diagnosis. The coding and localization function of microfluidic chips has been developed and applied in living single-cell imaging in recent years. Simultaneously, chip-based living single-cell imaging is also limited by complicated trapping steps, low cell utilization, and difficult high-resolution imaging. To solve these problems, an ultra-thin temperature-controllable microwell array chip (UTCMA chip) was designed to develop a living single-cell workstation in this study for continuous on-chip culture and real-time high-resolution imaging of living single cells. The chip-based on ultra-thin ITO glass is highly matched with an inverted microscope (or confocal microscope) with a high magnification objective (100 xoil lens), and the temperature of the chip can be controlled by combining it with a home-made temperature control device. High-throughput single-cell patterning is realized in one step when the microwell array on the chip uses hydrophilic glass as the substrate and hydrophobic SU-8 photoresist as the wall. The cell utilization rate, single-cell capture rate, and microwell occupancy rate are all close to 100% in the microwell array. This method will be useful in rare single-cell research, extending its application in the biological and medical-related fields, such as early diagnosis of disease, personalized therapy, and research-based on single-cell analysis. (C) 2021 Published by Elsevier B.V. on behalf of Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences.

Keyword:

Ultra-thin microchip High-resolution imaging One-step patterning Continuous culture Temperature controllable Living single cells

Author Community:

  • [ 1 ] [Wu, Yuanyuan]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Beijing Key Lab Green Catalysis & Separat, Dept Biol & Chem, Beijing 100124, Peoples R China
  • [ 2 ] [Chang, Yaran]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Beijing Key Lab Green Catalysis & Separat, Dept Biol & Chem, Beijing 100124, Peoples R China
  • [ 3 ] [Zhao, Liang]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Beijing Key Lab Green Catalysis & Separat, Dept Biol & Chem, Beijing 100124, Peoples R China
  • [ 4 ] [Guo, Guangsheng]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Beijing Key Lab Green Catalysis & Separat, Dept Biol & Chem, Beijing 100124, Peoples R China
  • [ 5 ] [Wang, Xiayan]Beijing Univ Technol, Ctr Excellence Environm Safety & Biol Effects, Beijing Key Lab Green Catalysis & Separat, Dept Biol & Chem, Beijing 100124, Peoples R China
  • [ 6 ] [Zhao, Lei]Lanzhou Univ, Hosp 2, Lanzhou 730030, Peoples R China
  • [ 7 ] [Guo, Guangsheng]Minzu Univ China Beijing, Beijing 100081, Peoples R China

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Source :

CHINESE CHEMICAL LETTERS

ISSN: 1001-8417

Year: 2021

Issue: 11

Volume: 32

Page: 3446-3449

9 . 1 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:96

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 12

SCOPUS Cited Count: 10

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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