Results 101 to 110 of about 15,601 (218)

Thermal photons and dileptons

open access: yes, 2005
We discuss the status of a subset of penetrating probes in relativistic nuclear collisions. Thermal photons and dileptons are considered, as well as the electromagnetic signature of jets.Comment: Talk presented at the 18th International Conference on ...
Abreu   +32 more
core   +2 more sources

The Crystal Structure of the Catalytic Domain and the Cytochrome b Domain in a Eukaryotic PQQ-Dependent Dehydrogenase.

open access: yesApplied and Environmental Microbiology, 2019
Pyrroloquinoline quinone (PQQ) was discovered as a redox cofactor of prokaryotic glucose dehydrogenases in the 1960s, and subsequent studies have demonstrated its importance not only in bacterial systems but also in higher organisms.
K. Takeda   +6 more
semanticscholar   +1 more source

Dietary pyrroloquinoline quinone hinders aging progression in male mice and D-galactose-induced cells

open access: yesFrontiers in Aging
Background: Understanding and promoting healthy aging has become a necessity in the modern world, where life expectancy is rising. The prospective benefits of the antioxidant pyrroloquinoline quinone (PQQ) in healthy aging are promising.
Nur Syafiqah Mohamad Ishak   +2 more
doaj   +1 more source

PQQ ameliorates D-galactose induced cognitive impairments by reducing glutamate neurotoxicity via the GSK-3β/Akt signaling pathway in mouse

open access: yesScientific Reports, 2018
Oxidative stress is known to be associated with various age-related diseases. D-galactose (D-gal) has been considered a senescent model which induces oxidative stress response resulting in memory dysfunction.
Xing-qin Zhou   +6 more
semanticscholar   +1 more source

In Hyphomicrobium denitrificans Two Related Sulfane‐Sulfur Responsive Transcriptional Repressors Regulate Thiosulfate Oxidation and Have a Deep Impact on Nitrate Respiration and Anaerobic Biosyntheses

open access: yesMolecular Microbiology, Volume 124, Issue 3, Page 204-220, September 2025.
In Hyphomicrobium denitrificans, the use of thiosulfate as a supplemental electron donor is regulated by two homologous sulfane‐sulfur responsive ArsR‐type transcriptional repressors, sHdrR and SoxR, that act cooperatively. Remarkably, the regulation by sHdrR/SoxR extends far beyond sulfur oxidation and deeply affects anaerobic metabolism, particularly
Jingjing Li   +3 more
wiley   +1 more source

Bioelectrocatalytic Electrodes Modified with PQQ‐Glucose Dehydrogenase‐Calmodulin Chimera Switchable by Peptide Signals: Pathway to Generic Bioelectronic Systems Controlled by Biomolecular Inputs

open access: yesChemElectroChem, 2019
Construction of artificial allosteric protein switches is one of the central goals of synthetic biology that holds promise to transform the way we detect and quantify substances in vitro and in vivo.
M. Gamella   +3 more
semanticscholar   +1 more source

The Elusive Chemistry of Pyrroloquinoline Quinone Dimethyl Ester Lanthanide Complexes in Biomimetic Alcohol Oxidation

open access: yesEuropean Journal of Inorganic Chemistry, Volume 28, Issue 24, August 29, 2025.
Biomimetic complexes of lanthanide‐dependent methanol dehydrogenases bearing a pyrroloquinoline quinone dimethyl ester ligand can oxidize alcohols to aldehydes. Spectroscopic studies on the reaction shed light on the mechanism of the reaction and may explain trends observed in the enzyme.
Ioana Ciubotaru   +5 more
wiley   +1 more source

Bacterial Nanocellulose: A Sustainable Revolution in Food Science

open access: yeseFood, Volume 6, Issue 4, August 2025.
Bacterial nanocellulose (BNC), produced via bacterial fermentation, exhibits high mechanical strength, water retention, crystallinity, and transparency, supporting its application in active packaging, functional foods, and environmental remediation. ABSTRACT Bacterial nanocellulose (BNC) is an eco‐friendly biomaterial celebrated for its exceptional ...
Masoud Aman Mohammadi   +4 more
wiley   +1 more source

Molecular Mechanism of Pyrroloquinoline Quinone-Mediated Rice Tolerance to Imidazolinone Herbicide Imazamox

open access: yesAgronomy
The Clearfield® technology is an useful tool for controlling weedy rice due to the effectiveness of imazamox and the cultivation of rice varieties resistant to imidazolines.
Sifu Li   +9 more
doaj   +1 more source

Improving Acetic Acid Production by Over-Expressing PQQ-ADH in Acetobacter pasteurianus

open access: yesFrontiers in Microbiology, 2017
Pyrroquinoline quinone-dependent alcohol dehydrogenase (PQQ-ADH) is a key enzyme in the ethanol oxidase respiratory chain of acetic acid bacteria (AAB).
Xuefeng Wu   +10 more
semanticscholar   +1 more source

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