scholarly journals Two-photon absorption of polyfluorene aggregates stabilized by insulin amyloid fibrils

RSC Advances ◽  
2015 ◽  
Vol 5 (61) ◽  
pp. 49363-49368 ◽  
Author(s):  
P. Hanczyc ◽  
A. Justyniarski ◽  
D. A. Gedefaw ◽  
M. R. Andersson ◽  
M. Samoc ◽  
...  
Keyword(s):  
Optical Properties ◽  
Amyloid Fibrils ◽  
Photon Absorption ◽  
Two Photon Absorption ◽  
Two Photon

We report on the photophysical and optical properties of a polyfluorene derivative (PFO) and its binding to the amyloid-forming protein insulin.

Exploring the LDS 821 dye as a potential NIR probe for the two photon imaging of amyloid fibrils

2020 ◽  
Vol 8 (21) ◽  
pp. 6082-6092
Author(s):  
Sony Udayan ◽  
D. R. Sherin ◽  
Samiyappan Vijaykumar ◽  
T. K. Manojkumar ◽  
V. P. N. Nampoori ◽  
...  
Keyword(s):  
Optical Properties ◽  
Nonlinear Optical ◽  
Near Infrared ◽  
Amyloid Fibrils ◽  
Nonlinear Optical Properties ◽  
Photon Absorption ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Large Enhancement ◽  
Near Infrared Dye

Nonlinear optical properties of near infrared dye LDS 821 incorporating lysozyme amyloid fibrils were studied at two wavelengths. The two photon absorption of the dye shows a large enhancement with lysozyme fibrils.

scholarly journals Polarity-active NIR probes with strong two-photon absorption and ultrahigh binding affinity of insulin amyloid fibrils

2021 ◽  
Author(s):  
Li Li ◽  
Zheng Lv ◽  
Zhongwei Man ◽  
Zhenzhen Xu ◽  
YuLing Wei ◽  
...  
Keyword(s):  
Neurodegenerative Diseases ◽  
Binding Affinity ◽  
Fluorescent Probes ◽  
Amyloid Fibrils ◽  
Photon Absorption ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Medical Diagnostic

Amyloid fibrils are associated with many neurodegenerative diseases. In-situ and in-vivo visualization of amyloid fibrils is important for medical diagnostic and requires fluorescent probes with both excitation and emission wavelengths in...

Third-order nonlinear optical properties and two-photon absorption in branched oligothienylenevinylenes

2002 ◽  
Vol 209 (4-6) ◽  
pp. 461-466 ◽  
Author(s):  
I. Fuks-Janczarek ◽  
J-M. Nunzi ◽  
B. Sahraoui ◽  
I.V. Kityk ◽  
J. Berdowski ◽  
...  
Keyword(s):  
Optical Properties ◽  
Nonlinear Optical ◽  
Nonlinear Optical Properties ◽  
Photon Absorption ◽  
Third Order ◽  
Two Photon Absorption ◽  
Two Photon

Computational design of two-photon active organic molecules for infrared responsive materials

2020 ◽  
Vol 8 (29) ◽  
pp. 9867-9873 ◽  
Author(s):  
Robert Zaleśny ◽  
Md. Mehboob Alam ◽  
Paul N. Day ◽  
Kiet A. Nguyen ◽  
Ruth Pachter ◽  
...  
Keyword(s):  
Optical Properties ◽  
Organic Molecules ◽  
Computational Design ◽  
Photon Absorption ◽  
Organic Cations ◽  
Design Rules ◽  
Responsive Materials ◽  
Two Photon Absorption ◽  
Two Photon

Aiming at proposing design rules, the mechanism of two-photon absorption is analyzed in a series of π-conjugated organic cations and their neutral precursors exhibiting aggregation-enhanced optical properties.

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