bio imaging
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2022 ◽  
Vol 452 ◽  
pp. 214313
Author(s):  
Huiwang Lian ◽  
Yang Li ◽  
S. Saravanakumar ◽  
Huan Jiang ◽  
Zhanjun Li ◽  
...  

2022 ◽  
Author(s):  
Thi Kim Dung Doan ◽  
Masazaku Umezawa ◽  
Hisanori Kobayashi ◽  
Atsushi Oshima ◽  
Kazuno Ikeda ◽  
...  
Keyword(s):  

2022 ◽  
Vol 5 (1) ◽  
Author(s):  
Nazar Oleksiievets ◽  
Yelena Sargsyan ◽  
Jan Christoph Thiele ◽  
Nikolaos Mougios ◽  
Shama Sograte-Idrissi ◽  
...  

AbstractDNA point accumulation for imaging in nanoscale topography (DNA-PAINT) is a powerful super-resolution technique highly suitable for multi-target (multiplexing) bio-imaging. However, multiplexed imaging of cells is still challenging due to the dense and sticky environment inside a cell. Here, we combine fluorescence lifetime imaging microscopy (FLIM) with DNA-PAINT and use the lifetime information as a multiplexing parameter for targets identification. In contrast to Exchange-PAINT, fluorescence lifetime PAINT (FL-PAINT) can image multiple targets simultaneously and does not require any fluid exchange, thus leaving the sample undisturbed and making the use of flow chambers/microfluidic systems unnecessary. We demonstrate the potential of FL-PAINT by simultaneous imaging of up to three targets in a cell using both wide-field FLIM and 3D time-resolved confocal laser scanning microscopy (CLSM). FL-PAINT can be readily combined with other existing techniques of multiplexed imaging and is therefore a perfect candidate for high-throughput multi-target bio-imaging.


2022 ◽  
pp. 197-236
Author(s):  
Aliesha Moudgil ◽  
Rajnigandha A. Shende ◽  
Anil T. Pawar ◽  
Kavita R. Gajbhiye ◽  
Virendra Gajbhiye ◽  
...  

2022 ◽  
pp. 329-342
Author(s):  
Jing Wang ◽  
Qingqing Jin ◽  
Xinjing Tang
Keyword(s):  

2022 ◽  
Author(s):  
Yingjie Hang ◽  
Jennifer Boryczka ◽  
Nianqiang Wu

This article reviews the principles, design and applications of visible-light and near-infrared fluorescence and surface-enhanced Raman scattering in point-of-care testing and bio-imaging.


Author(s):  
Lingxiu Kong ◽  
Chunpeng Jiao ◽  
Lingyu Luan ◽  
Sheng Li ◽  
Xia Ma ◽  
...  

2022 ◽  
Author(s):  
Tao Yan ◽  
Lin-Lin Ren ◽  
Feng-Yan Li ◽  
Feng Tian ◽  
Chengfang Jiang ◽  
...  

A sequentially responsive nanocarrier was fabricated with three-in-one functional integration: bio-imaging, tumor microenvironment responsive chemotherapy and cascade activation of upconversion photodynamic therapy. The designed DNA outer nanoshell displayed the site-specific...


Author(s):  
Monika Kiroriwal ◽  
Poonam Singal

Surface plasmon resonance (SPR)-based single-core photonic crystal fiber (PCF) biosensor is investigated with external gold coating. All the geometrical parameters such as a gold layer, an analyte layer, a lattice period and cladding air holes are optimized to enhance the sensing ability of the sensor by introducing the finite element method. The designed sensor is able to achieve the highest amplitude sensitivity (AS) of 2258.95 RIU[Formula: see text] with an acceptable refractive index sensitivity (RIS) of 6000 nm/RIU over the analyte refractive index (ARI) span of 1.31–1.40. This sensor can detect a slight index alteration in the sensing medium using a resolution of [Formula: see text] and a high figure of merit (FOM) of 79.01. With the enhanced modal behavior with simple geometry, the resulting sensor can be suitable for real-time monitoring in biological, biochemical and bio-imaging applications.


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