Results 41 to 50 of about 12,450 (218)

Fluorescence Studies of Selected 2-Alkylaminopyrimidines

Molecules, 2004
The reactions of 2-chloropyrimidine with methylamine, ethylamine and piperidine gave the corresponding 2-N-methylamino-, 2-N-ethylamino- and 2N- piperidinopyrimidines, respectively.
B. K. Low, Z. Aiyub, M. R. Abas, N. Mohd Tahir, Z. Abdullah   +4 more
doaj   +1 more source

Multiple mechanisms contribute to fluorometry signals from the voltage-gated proton channel

Communications Biology, 2022
Fluorometry signals indicating conformational change in an ion channel are generated by quenching amino acids and lipid effects during movement of the dye relative to the plane of the membrane.
Ferenc Papp, Gilman E. S. Toombes, Zoltán Pethő, Adrienn Bagosi, Adam Feher, János Almássy, Jesús Borrego, Ákos Kuki, Sándor Kéki, Gyorgy Panyi, Zoltan Varga   +10 more
doaj   +1 more source

Critical evaluation of heat extraction temperature on soluble microbial products (SMP) and extracellular polymeric substances (EPS) quantification in wastewater processes

Water Science and Technology, 2022
While soluble microbial products (SMP) and extracellular polymeric substances (EPS) in wastewater bioprocesses have been widely studied, a lack of standard quantification procedures make it difficult to compare results between studies.
Kahao Lim, Prathap Parameswaran
doaj   +1 more source

A Pan‐Methylome Framework for Population‐Scale Bacterial Epigenomics

Advanced Science, EarlyView.
A scalable quantitative framework unlocks population‐level comparative epigenomics in bacteria. By transforming site‐level data into standardized traits, this approach reconstructs methylation‐informed phylogenies and defines the core epigenome.
Bin Ma, Huimin Gong, Ran Zhuo, Zaixiao Rao, Yanxi Wan, Mingyang Wang, Zahra Zeinalzadeh, Yuan Gao, Aohan Guan, Xinrun Li, Wanting Chen, Xiliang Wang, Yun Wan, Sihua Zhang, Yuncai Xiao, Qi Huang, Paul R. Langford, Xiangru Wang, Rui Zhou, Rui Luo, Hongbo Zhou, Chengliang Zhu, Hui Jin   +22 more
wiley   +1 more source

Analysis of total urinary catecholamines by liquid chromatography: methodology, routine experience and clinical interpretations of results [PDF]

, 1983
A simple routine method is described for simultaneous assay of total urinary adrenaline, noradrenaline and dopamine. The catecholamines are pre-purified on a small ion-exchange column, separated by reversed phase ion-pair liquid chromatography, and are ...
Schleicher, E. D., Kees, Frieder K., Wieland, O. H.   +2 more
core   +1 more source

Determination of Extra Virgin Olive Oil Adulteration Using Laser Induced Fluorometry – Chlorophyll Relative Intensity Method

Acta Technologica Agriculturae
A new method has been proposed for detecting the potential adulteration of extra virgin olive oil with processed sunflower oil. This method is based on analysing the laser-induced fluorescence (LIF) spectra of samples.
Kosor Tihomir, Morosavljević Ivan, Nakić-Alfirević Barbara, Morosavljević Janko, Kozak Dražan, Drlička Róbert   +5 more
doaj   +1 more source

SDPR–STK38 axis controls the proliferation–differentiation balance in alveolar type II cells

Animal Models and Experimental Medicine, EarlyView.
The present study identifies SDPR as a pivotal regulator orchestrating the balance between proliferation and differentiation in alveolar type II (AT2) cells. In SDPR+/+ cells, SDPR binds to and inhibits STK38 activity, thereby sustaining GSK‐3β signaling functionality to promote cyclin D1 degradation and maintain cell cycle homeostasis.
Jie Wang, Xuepei Lei, Yiying Huang, Jiaming Tang, Guiying Shi, Hang Li, Lin Bai   +6 more
wiley   +1 more source

The Histidine 382 Residue Influences the Thermal Stability and Binding Propensity of the E2 Domain of Amyloid Precursor Protein

Proteins: Structure, Function, and Bioinformatics, EarlyView.
ABSTRACT The E2 domain of amyloid precursor protein (APP_E2) plays a central role in the protein's function. We reinvestigate how the missense mutation, ΔH382L, affects the domain's thermal stability and ligand binding propensity through differential scanning fluorometry.
Sphamandla Ndlovu, Candice Ngubane, Zamaxasibe Nxele, Raymond Hewer, Alexandré Delport   +4 more
wiley   +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]

Iranian 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, Nurul Rahim, Ashraf Mahmoud   +2 more
doaj   +1 more source

Illumination of a progressive allosteric mechanism mediating the glycine receptor activation

Nature Communications, 2023
Glycine receptors are channel receptors mediating signal transduction between neurons that transit between resting and open states upon neurotransmitter binding.
Sophie Shi, Solène N. Lefebvre, Laurie Peverini, Adrien H. Cerdan, Paula Milán Rodríguez, Marc Gielen, Jean-Pierre Changeux, Marco Cecchini, Pierre-Jean Corringer   +8 more
doaj   +1 more source