Results 121 to 130 of about 3,943 (245)

Distinct Nanohoop Structures and Ratiometric Emissions of Isomeric DPAC‐Based Macrocycles Tuned by Nano‐Twisting of Stiff‐Stilbene Optical‐Switches

Small, EarlyView.
Tunable nano‐twisted structures of novel isomeric macrocycles, which were controlled by cis/trans isomerizations of stiff‐stilbene units under light irradiations, have been exploited to modulate bent and planar configurations of 9,14‐diphenyl‐9,14‐dihydrodibenzo[a,c]phenazine (DPAC) moieties and adjust their ratiometric emissions. External factors, i.e.
Nguyen Thanh Trung, Shao‐Chen Lu, Po‐Jung Tseng, Tu Thi Kim Cuc, Chun‐Wei Huang, Jeng‐Kuei Chang, Said Jalife, Judy I. Wu, Simona Steponkiene, Vitalijus Karabanovas, Tung‐Kung Wu, Hong‐Cheu Lin   +11 more
wiley   +1 more source

Improved photocontrol of alpha-chymotrypsin activity: Peptidomimetic trifluoromethylketone photoswitch enzyme inhibitors

, 2008
Copyright © 2008 WILEY-VCH Verlag GmbH & Co. KGaA, WeinheimA series of peptidomimetic trifluoromethylketones containing the photoisomerisable azobenzene group have been synthesised, photoisomerised and assayed against the serine protease -chymotrypsin ...
Pearson, D., Alexander, N., Abell, A.
core   +1 more source

Organic Spin‐State Photoswitches

Angewandte Chemie International Edition
Abstract Organic spin‐state photoswitches represent an emerging class of molecular systems capable of reversibly modulating electronic spin states using light. This review provides a comprehensive overview of the fundamental mechanisms underlying two principal switching modes: photoconformational and photochemical.
Takuma Miyamura, Joel Schlecht, Oliver Dumele   +2 more
openaire   +2 more sources

Synthetic Cells With Chemo‐Optical Signaling Enable Targeted Capture and Killing of Bacteria

Small, EarlyView.
The here presented synthetic cells capture bacteria through their internally produced bioluminescence signal and light activated adhesions. Subsequently, they eliminate the captured bacteria in through a locally elevated hydrogen peroxide concentration generated by membrane bound enzyme.
Xiaoran Zheng, Tarek S. Elsayed, Yanjun Zheng, Matthew E. Allen, Seraphine V. Wegner   +4 more
wiley   +1 more source

Reversible phase transition in 8,19-dimethyl-2,3,8,19-tetraazapentacyclo[13.7.0.04,12.06,10.017,21]docosa-1(15),2,4(12),5,10,16,21-heptaene-7,9,18,20-tetrone

Acta Crystallographica Section E: Crystallographic Communications
The crystal structure of the title compound, C20H14N4O4, was previously reported at 220 K [Businski et al. (2025). Chem. Eur. J. A71, 3–8], where it crystallizes in the monoclinic space group P21/c with one crystallographically independent molecule in a ...
Christian Näther, Artjom Businski, Rainer Herges   +2 more
doaj   +1 more source

Structural optimization of photoswitch ligands for surface attachment of alpha-chymotrypsin and regulation of its surface binding

, 2010
A modified gold surface that allows photoregulated binding of alpha-chymotrypsin has previously been reported. Here the development of this surface is reported, through the synthesis of a series of trifluoromethyl ketones and alpha-keto esters containing
Pearson, D., Abell, A., David Pearson, Andrew D. Abell   +3 more
core   +1 more source

Optical Control of Therapeutic Synthetic Cells: Controlling Biomolecule Synthesis, Activation, and Communication

Small Methods, EarlyView.
Combining synthetic cells engineering, cell‐free expression, and optical regulation may enable a new generation of programmable synthetic cell platforms. By providing spatiotemporal control over biomolecule synthesis, activation, transport, release, and communication, light offers a versatile strategy for coordinating proteins, RNAs, peptides, and ...
Gia Bao Leon Hoang, Taniya Chakraborty
wiley   +1 more source

Dynamics of a photoswitch: norbornadiene and quadricyclane [PDF]

This thesis comprehensively investigates the molecular photoswitch of norbornadiene and quadricyclane, spanning electronic structure, non-adiabatic dynamics and ultrafast experimental observables.

core   +1 more source

Photoswitches [PDF]

Nature Photonics, 2017
openaire   +1 more source

Microscopy insights into reef coral fluorescent proteins: Diversity, light energy transfer and biological function

Journal of Microscopy, EarlyView.
Abstract Fluorescent proteins (FPs) and chromoproteins (CPs) of reef‐building corals, which generate much of their vivid colouration, occupy a distinctive position at the interface of natural photonics, symbiosis biology and fluorescence microscopy.
Anya Salih
wiley   +1 more source