搜索结果: 1-15 共查到“知识库 Hydrogen”相关记录309条 . 查询时间(0.039 秒)
High-strength and self-healable poly (acrylic acid) /chitosan hydrogel with organic-inorganic hydrogen bonding networks
Self-healing hydrogel Hydrogen bonding Organic-inorganic
2023/12/8
Bentonite?is a natural clay mineral with high cationic exchange properties and plays an important role in organic-inorganic composite hydrogels. We report an organic-inorganic cross-linked self-healin...
Hydrogen Sulfide-linked Persulfidation of ABSCISIC INSENSITIVE 4 Controls Arabidopsis ABA Responses Through the Transactivation of Mitogen-Activated Protein Kinase Kinase Kinase 18
Hydrogen sulfide Persulfidation DES1 59 ABI4 MAPKKK18 transactivation ABA response
2023/12/8
Hydrogen sulfide (H2S) is a signaling molecule that regulates plant hormone and stress responses. The phytohormone abscisic acid (ABA) plays important role during plant adaptation to unfavorable envir...
Uniform Pd0.33Ir0.67 nanoparticles supported on nitrogen-doped carbon with remarkable activity toward the alkaline hydrogen oxidation reaction
Alkalinity Anodes Binary alloys Carbon Cyclic voltammetry Density functional theory
2023/6/21
Highly efficient non-Pt electrocatalysts for the alkaline hydrogen oxidation reaction (HOR) are required to enable complete replacement of Pt in hydroxide exchange membrane fuel cells (HEMFCs). Herein...
Protection of Bovine Mammary Epithelial Cells from Hydrogen Peroxide-Induced Oxidative Cell Damage by Selenium
selenomethionine selenoprotein synthesis arachidonic acid metabolism mitogen-activated protein kinase
2018/3/5
The uncontrolled release of arachidonic acid (ARA) and its metabolism by lipoxygenase (LOX) pathway can induce
and aggravate cellular oxidative stress. Selenium (Se) is an integral part of some antio...
Retinoic acid attenuates oxidative injury in bovine mammary epithelial cells induced by hydrogen peroxide
vitamin A thioredoxin reductase oxidative injury
2017/12/25
The objective of this study was to explore how retinoic acid (RA) attenuates oxidative injury induced by hydrogen peroxide (H2O2) in bovine mammary epithelial cells (BMEC). Subconfluence BMEC were ran...
Retinoic Acid Attenuates Oxidative Injury in Bovine Mammary Epithelial Cells Induced by Hydrogen Peroxide
vitamin A thioredoxin reductase oxidative injury arachidonic acid p38 mitogen-activated protein kinase
2018/3/5
Jin L., Yan S., Shi B., Shi H., Guo X., Li J. (2017): Retinoic acid attenuates oxidative injury in bovine
mammary epithelial cells induced by hydrogen peroxide. Czech J. Anim. Sci., 62, 539–548.
The...
Hydrogen diffusion in the apatite-water system: Fluorapatite parallel to the c-axis
apatite hydrogen diffusion H-D exchange H2O SIMS
2017/4/10
Many studies in the past decade have sought to explore the origin and evolution of water in planetary bodies based on
the hydrogen isotopic compositions of apatite. However, no investigation has stud...
Dissecting Proton Delocalization in an Enzyme’s Hydrogen Bond Network with Unnatural Amino Acids
Dissecting Proton Delocalization Enzyme’s Hydrogen Bond Network Unnatural Amino Acids
2016/5/25
Extended hydrogen bond networks are a common structural motif of enzymes. A recent analysis proposed quantum delocalization of protons as a feature present in the hydrogen bond network spanning a tria...
Short Hydrogen Bonds and Proton Delocalization in Green Fluorescent Protein (GFP)
Short Hydrogen Bonds Proton Delocalization Green Fluorescent Protein GFP
2016/5/25
Short hydrogen bonds and specifically low-barrier hydrogen bonds (LBHBs) have been the focus of much attention and controversy for their possible role in enzymatic catalysis. The green fluorescent pro...
Quantum delocalization of protons in the hydrogen-bond network of an enzyme active site
ab initio path integral molecular dynamics enzyme hydrogen bonding nuclear quantum effects proton delocalization
2016/5/25
Enzymes use protein architectures to create highly specialized structural motifs that can greatly enhance the rates of complex chemical transformations. Here, we use experiments, combined with ab init...
Putative Hydrogen Bond to Tyrosine M208 in Photosynthetic Reaction Centers from Rhodobacter capsulatus Significantly Slows Primary Charge Separation
Coagulation Nano TiO2 Nano Al2O3 Breakage Fractal dimension
2016/5/25
Slow, ～50 ps, P* → P(+)HA(-) electron transfer is observed in Rhodobacter capsulatus reaction centers (RCs) bearing the native Tyr residue at M208 and the single amino acid change of isoleucine at M20...
A conserved water-mediated hydrogen bond network defines bosutinib’s kinase selectivity
Humans Water Quinolines Nitriles Aniline Compounds src-Family Kinases Amino Acid Substitution Conserved Sequence Substrate Specificity Hydrogen Bonding
2016/5/25
Kinase inhibitors are important cancer drugs, but they tend to display limited target specificity, and their target profiles are often challenging to rationalize in terms of molecular mechanism. Here ...
Measuring Electrostatic Fields in Both Hydrogen Bonding and non-Hydrogen Bonding Environments using Carbonyl Vibrational Probes
Ribonucleases Molecular Probes Protein Conformation Vibration Acetophenones Molecular Dynamics Simulation Static Electricity Hydrogen Bonding Solvents
2016/5/25
Vibrational probes can provide a direct readout of the local electrostatic field in complex molecular environments, such as protein binding sites and enzyme active sites. This information provides an ...
Quantitative Dissection of Hydrogen Bond-Mediated Proton Transfer in the Ketosteroid Isomerase Active Site
active site environment computational modeling enzyme catalysis protein electrostatics protein semisynthesis
2016/5/25
Hydrogen bond networks are key elements of protein structure and function but have been challenging to study within the complex protein environment. We have carried out in-depth interrogations of the ...
Experimental quantification of electrostatics in X-H⋅⋅⋅π hydrogen bonds
Experimental quantification electrostatics X-H⋅ ⋅ ⋅ π hydrogen bonds
2016/5/25
Hydrogen bonds are ubiquitous in chemistry and biology. The physical forces that govern hydrogen-bonding interactions have been heavily debated, with much of the discussion focused on the relative con...