Results 131 to 140 of about 75,914 (267)

Research and development of non-enzymatic electrochemical sensors utilizing porous ZnO/graphene electrodes to determine xanthine

open access: yesTạp chí Kiểm nghiệm và An toàn thực phẩm
In this study, we developed a non-enzymatic electrochemical sensor using a porous graphene electrode modified with ZnO nanoparticles (ZnO/fPGE sensor) to determine xanthine (XA) content.
Ta Ngoc Bach   +11 more
doaj   +1 more source

Xanthine effects in vitro and tubular cell phenotype.

open access: yes, 2017
(a) Phase contrast (upper panels) and polarized microscopy (lower panels) show the deposition of xanthine after incubation for 48 h (right panels) as compared to vehicle alone (left panels).
Cristina Zennaro (424123)   +10 more
core   +1 more source

Heat stress in spermatogenesis: a redox‐dependent decision network linking ROS, autophagy, and regulated cell death

open access: yesBiological Reviews, Volume 101, Issue 6, Page 2780-2795, December 2026.
ABSTRACT Heat stress (HS) is an increasing threat to male reproductive health, disrupting spermatogenesis through complex and interdependent cellular responses within the seminiferous epithelium. Although excessive reactive oxygen species (ROS) production is a hallmark of HS, ROS also act as central regulators of cell fate decisions beyond their role ...
Ribrio Ivan Tavares Pereira Batista
wiley   +1 more source

Xanthine oxidase is a peroxynitrite synthase: newly identified roles for a very old enzyme

open access: yes, 2002
Xanthine oxidase (XO) was first identified in 1902 by the German scientist Schardinger in bovine milk by following the hydroxylation of hypoxanthine to xanthine.
Kanczler, Janos   +9 more
core   +1 more source

Disruption of Lactate Metabolism in the Peripheral Nervous System Leads to Motor‐Selective Deficits

open access: yesGlia, Volume 74, Issue 12, December 2026.
To test the importance of lactate metabolism and shuttling between Schwann cells and neurons in the PNS, we selectively knocked out both LDHA and LDHB in motor neurons, sensory neurons, or Schwann cells. ABSTRACT Schwann cells (SCs) myelinate and provide trophic support to axons in the peripheral nervous system (PNS).
A. Joseph Bloom   +11 more
wiley   +1 more source

Parental Exposure to Nanoplastics and Graphene Oxide Induces Transgenerational Toxicity in Caenorhabditis elegans

open access: yesJournal of Applied Toxicology, Volume 46, Issue 12, Page 4826-4840, December 2026.
ABSTRACT Environmental pollution by emerging contaminants such as nanoplastics (NPs) and graphene oxide (GO) represents a growing threat to global health and ecosystems. This study investigated the effects of parental exposure, both isolated and combined, to 100 μg/L NPs (polystyrene, spherical, 100 nm) and 100 mg/L GO, using Caenorhabditis elegans as ...
Gabriela Corrêa Soares   +6 more
wiley   +1 more source

ANTHOCYANIDINES AS INHIBITORS OF XANTHINE-OXIDASE

open access: yes, 1995
Anthocyanidines as inhibitors of xanthine ...
RASTELLI, Giulio   +2 more
core  

Multimodal Exploratory Analysis of Persistent Diabetic Macular Edema: Integrating Aqueous Humour Metabolomics, Clinical and OCT Features

open access: yesDiabetes, Obesity and Metabolism, Volume 28, Issue 12, Page 11632-11642, December 2026.
ABSTRACT Purpose This exploratory study integrates aqueous humour metabolomic data with clinical and imaging features to examine candidate biomarkers and characterize multimodal patterns associated with persistent diabetic macular edema (pDME). Methods In this prospective cohort study, DME patients were treated with monthly anti‐VEGF injections over 3 ...
Yunhan Tao   +7 more
wiley   +1 more source

Dapagliflozin Alters Plasma Metabolome in Patients With Type 1 Diabetes During Ketosis

open access: yesDiabetes, Obesity and Metabolism, Volume 28, Issue 12, Page 11796-11807, December 2026.
ABSTRACT Aims Use of sodium‐glucose cotransporter 2 inhibitors (SGLT2i) in patients with type 1 diabetes (T1D) is limited by increased risk of ketoacidosis. We aimed to determine metabolic pathways affected by SGLT2i treatment in adults with T1D during ketosis induced by insulin withdrawal.
Rosa Yang   +6 more
wiley   +1 more source

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