Results 11 to 20 of about 4,220 (277)

Mechanisms and advancement of antifading agents for fluorescence microscopy and single-molecule spectroscopy [PDF]

open access: yes, 2011
Modern fluorescence microscopy applications go along with increasing demands for the employed fluorescent dyes. In this work, we compared antifading formulae utilizing a recently developed reducing and oxidizing system (ROXS) with commercial antifading ...
Aitken   +44 more
core   +5 more sources

Coherent electronic and nuclear dynamics in a rhodamine heterodimer-DNA supramolecular complex [PDF]

open access: yes, 2017
Elucidating the role of quantum coherences in energy migration within biological and artificial multichromophoric antenna systems is the subject of an intense debate.
Cecconello, A.   +9 more
core   +1 more source

Modification of Graphitic Carbon Nitride with Hydrogen Peroxide

open access: yesNanomaterials, 2020
Graphitic carbon nitride (GCN) was synthetized by heating melamine and then it was thermally exfoliated for 1–3 h in air. Both bulk and exfoliated GCN nanomaterials were treated in the 10–30% aqueous solutions of H2O2 for us to study their modification ...
Petr Praus   +3 more
doaj   +1 more source

Practical Broad-Band Tuning of Dye Lasers by Solvent Shifting [PDF]

open access: yes, 1986
We have operated a dye laser over a broad wavelength range (593.8-667.0nm) by shifting the dye emission profile with incremental changes of solvent composition. This was accomplished with the laser operating continuously, and only minor adjustment of the
Bird, George R.   +3 more
core   +1 more source

New Supramolecular Hypoxia-Sensitive Complexes Based on Azo-Thiacalixarene

open access: yesMolecules, 2023
Hypoxia accompanies many human diseases and is an indicator of tumor aggressiveness. Therefore, measuring hypoxia in vivo is clinically important. Recently, complexes of calix[4]arene were identified as potent hypoxia markers.
Farida Galieva   +6 more
doaj   +1 more source

Active site voltage clamp fluorometry of the sodium glucose cotransporter hSGLT1. [PDF]

open access: yes, 2017
In the human sodium glucose cotransporter (hSGLT1) cycle, the protein undergoes conformational changes where the sugar-binding site alternatively faces the external and internal surfaces.
Gorraitz, Edurne   +4 more
core   +2 more sources

HPLC–HR-ESI–MS/MS identification of fluorescent dyes and optical brighteners and their degradation products in daylight fluorescent paints

open access: yesHeritage Science, 2023
Daylight fluorescent paints are luminous colors that are increasingly used in contemporary art. The pigments consist of a synthetic resin in which fluorescent dyes and optical brighteners are embedded.
Lukas Reiß   +3 more
doaj   +1 more source

A new approach to silicon rhodamines by Suzuki–Miyaura coupling – scope and limitations

open access: yesBeilstein Journal of Organic Chemistry, 2019
Background: Silicon rhodamines are of particular interest because of their advantageous dye properties (fluorescence- and biostability, quantum efficiency, tolerance to photobleaching).
Thines Kanagasundaram   +3 more
doaj   +1 more source

How DASPMI reveals mitochondrial membrane potential : fluorescence decay kinetics and steady-state anisotropy in living cells [PDF]

open access: yes, 2008
Spectroscopic responses of the potentiometric probe 2-(4-(dimethylamino)styryl)-1-methylpyridinium iodide (DASPMI) were investigated in living cells by means of a time- and space-correlated single photon counting technique.
Ramadass, Radhan, Bereiter-Hahn, Jürgen
core   +1 more source

Tricyclic Cationic Chromophores as Models for New Photoantimicrobials [PDF]

open access: yes, 2015
Despite the preponderance of literature pertaining to photosensitisers based on the porphyrin system, many other chemical classes are available with similar or improved characteristics and potential for use in photodynamic medicine.
Wainwright, M
core   +1 more source

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