biomedical optical imaging
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2021 ◽  
Vol 53 (6) ◽  
pp. 747-747
Author(s):  
Dongkyun Kang ◽  
Aydogan Ozcan ◽  
Guillermo J. Tearney

2020 ◽  
Vol 50 (11) ◽  
pp. 1222-1236
Author(s):  
Ling FU ◽  
QingMing LUO

2020 ◽  
Vol 117 (22) ◽  
pp. 11947-11953
Author(s):  
Chrystelle Salameh ◽  
Flore Salviat ◽  
Elora Bessot ◽  
Miléna Lama ◽  
Jean-Marie Chassot ◽  
...  

Living tissues, heterogeneous at the microscale, usually scatter light. Strong scattering is responsible for the whiteness of bones, teeth, and brain and is known to limit severely the performances of biomedical optical imaging. Transparency is also found within collagen-based extracellular tissues such as decalcified ivory, fish scales, or cornea. However, its physical origin is still poorly understood. Here, we unveil the presence of a gap of transparency in scattering fibrillar collagen matrices within a narrow range of concentration in the phase diagram. This precholesteric phase presents a three-dimensional (3D) orientational order biomimetic of that in natural tissues. By quantitatively studying the relation between the 3D fibrillar network and the optical and mechanical properties of the macroscopic matrices, we show that transparency results from structural partial order inhibiting light scattering, while preserving mechanical stability, stiffness, and nonlinearity. The striking similarities between synthetic and natural materials provide insights for better understanding the occurring transparency.


2019 ◽  
Vol 51 (5) ◽  
pp. 389-389
Author(s):  
Guillermo J. Tearney ◽  
Thomas D. Wang ◽  
Dongkun Kang

2018 ◽  
Vol 50 (3) ◽  
pp. 182-182
Author(s):  
Guillermo J. Tearney ◽  
Dongkyun Kang

2017 ◽  
Vol 49 (3) ◽  
pp. 214-214 ◽  
Author(s):  
Guillermo J. Tearney ◽  
Dongkyun Kang

2017 ◽  
Vol 41 (13) ◽  
pp. 5387-5394 ◽  
Author(s):  
Rong Zhang ◽  
Tao Deng ◽  
Jie Wang ◽  
Gang Wu ◽  
Sirui Li ◽  
...  

ZnCuInSe/ZnS QDs with widely tunable PL emissions were synthesized and water-solubilized with cRGD modified multifunctional multidentate polymer (cRGD-PME) for bioimaging.


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