Results 81 to 90 of about 138,905 (254)

Performance Assessment of UVAPS: Influence of Fungal Spore Age and Air Exposure [PDF]

open access: yes, 2007
This work focused on two main outcomes. The first was the assessment of the response of the Ultraviolet Aerodynamic Particle Sizer Spectrometer (UVAPS) for two different fungal spore species.
Agranovski   +36 more
core   +2 more sources

NAD+ Repletion Rescues Female Fertility during Reproductive Aging

open access: yesCell Reports, 2020
Summary: Reproductive aging in female mammals is an irreversible process associated with declining oocyte quality, which is the rate-limiting factor to fertility. Here, we show that this loss of oocyte quality with age accompanies declining levels of the
Michael J. Bertoldo   +33 more
doaj   +1 more source

Repeat dose NRPT (nicotinamide riboside and pterostilbene) increases NAD+ levels in humans safely and sustainably: a randomized, double-blind, placebo-controlled study [PDF]

open access: yes, 2017
NRPT is a combination of nicotinamide riboside (NR), a nicotinamide adenine dinucleotide (NAD⁺) precursor vitamin found in milk, and pterostilbene (PT), a polyphenol found in blueberries.
Alminana, Dan   +6 more
core   +1 more source

Nicotinamide adenine dinucleotide suppresses epileptogenesis at an early stage

open access: yesScientific Reports, 2017
The pathophysiologic mechanisms of epileptogenesis are poorly understood, and no effective therapy exists for suppressing epileptogenesis. Numerous reports have shown that nicotinamide adenine dinucleotide (NAD+) has neuroprotective effects, suggesting ...
Juan Liu   +9 more
doaj   +1 more source

The processes of the catalytic cycle of the cytochrome system associated with its activation by means of the enzyme Nicotinamide-β-adenine dinucleotide phosphate-H-ferrihemoprotein oxidoreductase [PDF]

open access: yesBIO Web of Conferences
The paper presents a theoretical study of the molecular mechanism of activation of the cytochrome P450 system by the enzyme Nicotinamide-β-adenine dinucleotide phosphate-H-ferrihemoprotein oxidoreductase in the catalytic cycle.
Popova Olga   +3 more
doaj   +1 more source

Insight into an Oxidative DNA-Cleaving DNAzyme: Multiple Cofactors, the Catalytic Core Map and a Highly Efficient Variant

open access: yesiScience, 2020
Summary: An oxidative DNA-cleaving DNAzyme (PL) employs a double-cofactor model “X/Cu2+” for catalysis. Herein, we verified that reduced nicotinamide adenine dinucleotide (NADH), flavin mononucleotide, cysteine, dithiothreitol, catechol, resorcinol ...
Wenqian Yu   +9 more
doaj   +1 more source

Cytosolic redox components regulate protein homeostasis via additional localisation in the mitochondrial intermembrane space [PDF]

open access: yes, 2017
Oxidative protein folding is confined to the bacterial periplasm, endoplasmic reticulum and the mitochondrial intermembrane space. Maintaining a redox balance requires the presence of reductive pathways.
Cardenas-Rodriguez, Mauricio   +1 more
core   +1 more source

Intramitochondrial Localization of the Nicotinamide Adenine Dinucleotide- and Nicotinamide Adenine Dinucleotide Phosphate-dependent Xylitol Dehydrogenases

open access: yesJournal of Biological Chemistry, 1968
Abstract The two mitochondrial xylitol dehydrogenases of guinea pig liver have been studied with a view to determining their intramitochondrial locations. By procedures involving swelling, shrinking, and sonic oscillation of the particles, followed by centrifugation in a discontinuous sucrose gradient, preparations representing solubilized enzymes ...
Oscar Touster   +2 more
openaire   +3 more sources

Oxidative Stress in Human Aorta of Patients with Advanced Aortoiliac Occlusive Disease

open access: yesBrazilian Journal of Cardiovascular Surgery
Introduction: Oxidative stress seems to be a role in the atherosclerosis process, but research in human beings is scarce. Objective: To evaluate the role of oxidative stress on human aortas of patients submitted to surgical treatment for advanced ...
Márcio Luís Lucas   +4 more
doaj   +1 more source

Cloning, expression and characterization of alcohol dehydrogenases in the silkworm Bombyx mori

open access: yesGenetics and Molecular Biology, 2011
Alcohol dehydrogenases (ADH) are a class of enzymes that catalyze the reversible oxidation of alcohols to corresponding aldehydes or ketones, by using either nicotinamide adenine dinucleotide (NAD) or nicotinamide adenine dinucleotide phosphate (NADP ...
Nan Wang   +6 more
doaj   +1 more source

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