Results 41 to 50 of about 2,979 (191)
Photochromic spiropyran monolithic polymers: Molecular photo-controllable electroosmotic pumps for micro-fluidic devices [PDF]
, 2010 A novel photo-controllable micro-fluidic electroosmotic pump based on spiropyran monolithic polymers is presented here for the first time. Photochromic monolithic scaffolds have been synthesised within poly(tetrafluoroethylene) coated fused silica ...
Abele, Silvija +9 more
core +1 more source
Angewandte Chemie, Volume 138, Issue 1, 2 January 2026.Molecular photoswitches dispersed in a cholesteric hydroxypropyl cellulose mesophase enable reversible, light‐driven tuning of structural color and polarization. Enantiomer‐specific effects and light‐responsive patterning highlight the potential of dynamic, cellulose‐based photonic materials.
Fathy Hassan +8 more
wiley +2 more sources
Synthesis, Structure, and Thin Film Optical Properties of a Chiral Benzothiazole‐Derived Squaraine
ChemPhysChem, Volume 27, Issue 7, 14 April 2026.Solution‐processed thin films can be sensitive to the choice of solvent and thermal annealing, which we explore for a chiral benzothiazole squaraine. We observe peculiarly shaped excitonic circular dichroism in uniaxially anisotropic thin films, in which the presumed Davydov bands are spatially distributed exclusively into in‐plane (UDC) and out‐of ...
Marvin F. Schumacher +4 more
wiley +1 more source
Ionogel-based light-actuated valves for controlling liquid flow in micro-fluidic manifolds [PDF]
, 2010 We present the fabrication, characterisation and performance of four novel ionic liquid polymer gels (ionogels) as photo-actuated valves incorporated into micro-fluidic manifolds. The ionogels incorporate benzospiropyran units and phosphonium-based ionic
Ana Maria Răduţă +42 more
core +1 more source
Archiv der Pharmazie, Volume 359, Issue 4, April 2026.Biomimetic supramolecular hosts in water affect outcomes and behavior of E/Z‐isomerizations. A deeper understanding of such effects can pave the way to understanding photochemical processes in more complex biological environments. The review displays examples of supramolecular hosts affecting the outcomes of E/Z‐isomerizations and subsequently ...
Doğan Akbulut +2 more
wiley +1 more source
Organic nanoparticulate photochromes [PDF]
, 2013 Photochromic organic dyes can be widely used in materials for optically rewritable data storage, photonic switches, memories, sensors, or actuators. In recent years photochromic materials based on nanoparticles became particularly focused, since they can
Feczkó, Tivadar, Voncina, Bojana
core +1 more source
ChemPhotoChem, Volume 10, Issue 4, April 2026.This review summarizes how even minor chemical modifications can be used to shape spiropyran photochromism. We highlight how substituents, strain, and heteroatoms tune absorption, stability, switching efficiency, and overall photochromic behaviour.
Gianni Pacella, Giuseppe Portale
wiley +1 more source
Crowned spiropyran fluoroionophores with a carboxyl moiety for the selective detection of lithium ions [PDF]
, 2016 The absorbance and fluorescence spectra of carboxylated spiropyrans containing methyl-1-aza-12-crown-4, methyl-1-aza-15-crown-5, methyl-1-aza-18-crown-6 moieties are compared.
Abell, A.D., Heng, S., Stubing, D.B.
core +1 more source
Strategies for preparing fluorescently labelled polymer nanoparticles [PDF]
, 2014 There is great interest in the use of fluorescent polymer nanoparticles as optical imaging agents. When designing and synthesising a fluorescent polymer nanoparticle imaging agent there is a large variety in both the particle formation and dye attachment
O'Reilly, Rachel K., Robin, Mathew P.
core +2 more sources
Transient absorption spectroscopy on spiropyran monolayers using nanosecond pump–probe Brewster angle reflectometry [PDF]
, 2013 Self-assembled monolayers of 11-(3’,3’-dimethyl-6,8-dinitrospiro[chromene-2,2’-indoline]-1’-yl) undecanoic acid (amphiphilic spiropyran) at the air–water interface are studied using Brewster angle reflectometry.
Aarts +40 more
core +1 more source