Results 71 to 80 of about 278,744 (306)

Selenoproteins in mammalian spermatogenesis:role of the nuclear GPx4 [PDF]

, 2011
The selenoprotein Phospholipid Hydroperoxide Glutathione Peroxidase (PHGPx/GPx4) is an enzyme unique among the various GPxs, because it is able to use protein thiols, beside glutathione, The GPx4 gene encodes for three isoforms having different ...
Maccari, Irene
core  

Cellular glutathione content in the organ of Corti and its role during ototoxicity. [PDF]

, 2015
Glutathione (GSH) is the major scavenger of reactive oxygen species (ROS) inside cells. We used live confocal imaging in order to clarify the role of GSH in the biology of the organ of Corti, the sensory epithelium of the cochlea, before, during and ...
Duchen, MR, Gale, JE, Majumder, P
core   +1 more source

Exploring the Potential of Zero‐Dimensional Carbon Nanomaterials in Photoluminescent, Electrochemiluminescent and Electrochemical Sensors

Advanced Materials Interfaces, EarlyView.
Zero‐dimensional carbon nanomaterials are presented as multifunctional platforms linking structure, property, and sensing performance. Surface engineering and heteroatom doping modulate electron‐transfer and luminescent behavior, enabling electrochemical, photoluminescent, and electrochemiluminescent detection. Fundamental design principles, analytical
Gustavo Martins, Jeferson Luiz Gogola, Ava Gevaerd, Cristiane Kalinke, Paulo Roberto de Oliveira, Fabio Roberto Caetano, Bruno Campos Janegitz, Márcio Fernando Bergamini, Luiz Humberto Marcolino‐Junior   +8 more
wiley   +1 more source

Oxidative stress and GPX2 control pancreatic vs. non-pancreatic cell fate in human endoderm

Nature Communications
Cell fate decisions in human endoderm development are tightly regulated, yet the role of metabolic products remains elusive. The endodermal posterior foregut gives rise to pancreas, liver, and intestine.
Joanna Szpotkowska, Wojciech J. Szlachcic, Katarzyna Blaszczyk, Maja Baginska, Magdalena Socha, Malgorzata Borowiak   +5 more
doaj   +1 more source

The effect of selenium supplement on the sera concentrations of selenium and GHS in the calves of heifers [PDF]

Āsīb/shināsī-i Darmāngāhī-i Dāmpizishkī, 2011
This study was conducted in order to evaluate the role of selenium supplement consumption in pregnant heifer in late permanency on selenium, glutathione peroxidase serum levels in heifers and newborn calves.
A Hassanpour, A Aghapour, A.P Reazei Saber   +2 more
doaj  

AGE-RELATED CHARACTERISTICS OF GLUTATHIONE-DEPENDENT ENZYMES FUNCTIONING IN RATS UNDER CONDITIONS OF TOXIC INJURY BY ACETAMINOPHEN [PDF]

Biotechnologia Acta
Aim. The study is dedicated to evaluating the enzymatic activities of the glutathione system in liver cells of rats from different age groups under conditions of toxic injury caused by acetaminophen.
М.S. URSATYI, H.P. KOPYLCHUK, I.M. NYKOLAICHUK   +2 more
doaj   +1 more source

Changes in element accumulation, phenolic metabolism, and antioxidative enzyme activities in the red-skin roots of Panax ginseng [PDF]

, 1903
BackgroundRed-skin root disease has seriously decreased the quality and production of Panax ginseng (ginseng).MethodsTo explore the disease's origin, comparative analysis was performed in different parts of the plant, particularly the epidermis, cortex ...
Zhou, Ying, Yang, Zhenming, Gao, Lingling, Liu, Wen, Liu, Rongkun, Zhao, Junting, You, Jiangfeng   +6 more
core   +2 more sources

Nanozymes at the Bio‐Nano Interface: From Synthesis, Defect Engineering, Catalytic Behavior in Biological Microenvironments, and Biosafety Implications

Advanced Materials Interfaces, EarlyView.
Nanozymes (NZs) have emerged as versatile artificial enzymes with tunable catalytic properties driven by atomic coordination, defect engineering, and surface chemistry. This review presents a bio–nano interface framework linking synthesis strategies, structural design, and catalytic behavior within complex biological microenvironments.
Karen Guadalupe Quintero‐Garrido, Aída Jimena Velarde‐Salcedo, Alejandro López‐Amador, Noé Arjona, Citlali Uitz Toalá, Carmen Gonzalez, Beatriz Liliana España‐Sánchez   +6 more
wiley   +1 more source

Influence of salicylic acid on phytochelatin synthesis in Zea mays during Cd stress [PDF]

, 2013
: Presoaking maize (Zea mays) seeds in salicylic acid (SA) reduces damage caused by cadmium. In the present work the possible role of phytochelatins (PCs) in SA-mediated protection against Cd toxicity was investigated. Seeds were presoaked in 0.5 mM SA,
Janda, Tibor, Krantev, A., Popova, L. P., Szalai, Gabriella, Yordanova, R.   +4 more
core   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

Advanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane, Lyn I. Jones, Richard M. Martin, Helen Winter, Faezeh Arab Hassani   +4 more
wiley   +1 more source