Results 41 to 50 of about 17,962 (220)

Time-resolved fluorescence emission spectra of labeled phospholipid vesicles, as observed using multi-frequency phase-modulation fluorometry [PDF]

open access: yes, 1984
Multi-frequency phase-modulation fluorometry was used to determine the time-resolved spectral parameters of two different fluorescent probes, 6-palmitoyl-2-[(2-trimethylammonium)ethyl[methylamino]naphthalene chloride (Patman) and 2-p-toluidinyl-6 ...
Lakowicz, Joseph R   +3 more
core   +1 more source

Comparison of UV spectrometry and fluorometry-based methods for quantification of cell-free DNA in red cell components

open access: yesAsian Journal of Transfusion Science, 2019
BACKGROUND: Stress and shear force applied on blood components during processing and storage may induce cellular damage leading to release of cell-free DNA (cfDNA).
Dheeraj Khetan   +3 more
doaj   +1 more source

Thermosensitive Nanostructured Coacervates Developed by Mixing ABA‐ and AB‐Block Copolymers and Their Unique Sustained Release of Nano‐Micelles in a Regulated Manner

open access: yesSmall, EarlyView.
Polyion complex micelles composed of blends of ABA and AB block copolymers can form coacervates with a hexagonally packed cylinder nanostructure after heating. The resulting coacervates can release the micelles under physiological conditions in a zero‐order kinetics, possessing cargo proteins.
Takumi Egashira   +9 more
wiley   +1 more source

Mesurment Instrument of Quantitative Fluorometry Intensity Based on Stoke’s Shift

open access: yes, 2011
Mechanism of fluorescence stoke’s shift is discussed in detail in this paper. Optical wavelength of pumping laser is determined based on stoke’s shift, which puts forward the theory foundation of film-coating technology.
Chi Jun Zhang, Qiong Wu
core   +1 more source

Rate of intramolecular electronic energy transfer in coumarin bichromophoric molecules. An investigation by multifrequency phase-modulation fluorometry [PDF]

open access: yes, 1985
Dynamics of intramolecular electronic energy transfer in bichromophoric molecules, consisting of two coumarins linked by a variable number of methylene groups, is investigated by multifrequency phase-modulation fluorometry.
Valeur, Bernard   +2 more
core   +1 more source

Magnetic Solid-Phase Microextraction of Hazardous Light Green Dye Followed by Fluorometric and Colorimetric Modes for Detection using NiFe2O4 Nanoparticles from an Aqueous Environment [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering
This work suggests a new, easy, useful, and cost-effective magnetic solid phase microextraction (µ-MSPE) method that is followed by dual-mode detection of dangerous light green (LG) dye in water.
Samer Aburub   +2 more
doaj   +1 more source

Illumination of a progressive allosteric mechanism mediating the glycine receptor activation

open access: yesNature Communications, 2023
Glycine receptors are channel receptors mediating signal transduction between neurons that transit between resting and open states upon neurotransmitter binding.
Sophie Shi   +8 more
doaj   +1 more source

Gut Microbiome Functional Reprogramming Reflects Divergent Social Strategies in a Wild Primate

open access: yesIntegrative Zoology, EarlyView.
Wild golden snub‐nosed monkeys employ divergent social strategies, forming reproductive one‐male units and bachelor all‐male units. We reveal that these social structures, intertwined with seasonal diets, drive distinct functional reprogramming in their gut microbiomes. This adaptive microbial plasticity plays a crucial role in primate socio‐ecological
Guanwei Lan   +11 more
wiley   +1 more source

RECENT DEVELOPMENTS IN FREQUENCY-DOMAIN FLUOROMETRY [PDF]

open access: yes, 1985
A description is given of variable-frequency phase-modulation fluorometers along with their design and operating principles. To illustrate the obtainable resolution the authors present results for the resolution of two and three-component mixtures of ...
MALIWAL, BP, LAKOWICZ, JR, GRATTON, E
core   +1 more source

CP32, a novel anti‐oomycete cyclic peptide, interferes with cell‐wall deposition in Phytophthora infestans

open access: yesJournal of Integrative Plant Biology, EarlyView.
The small cyclic peptide CP32 effectively inhibits Phytophthora infestans, the causal agent of potato and tomato late blight. Combined biochemical and phenotypic analyses demonstrate that CP32 disrupts cell wall biosynthesis, a key process in pathogen infection, resulting in a marked reduction of disease symptoms in plants.
Demetrio Marcianò   +23 more
wiley   +1 more source

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