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1. Full Text Observation of Single-Protein and DNA Macromolecule Collisions on Ultramicroelectrodes
by Dick, Jeffrey E and Renault, Christophe and Bard, Allen J
Journal of the American Chemical Society, ISSN 0002-7863, 1900, Volume 137, Issue 26, pp. 8376 - 8379
Single-molecule detection is the ultimate sensitivity in analytical chemistry and has been largely unavailable in electrochemical analysis. Here, we... 
ELECTROCHEMICAL DETECTION | DROPLET COLLISIONS | EVENTS | ADSORPTION | CHEMISTRY, MULTIDISCIPLINARY | MOLECULES | Glucose Oxidase - chemistry | Oxidation-Reduction | Ferrocyanides - chemistry | Immunoglobulin G - chemistry | Nanospheres - chemistry | Horseradish Peroxidase - chemistry | Polystyrenes - chemistry | Macromolecular Substances | Electrodes | DNA - chemistry | Animals | Adsorption | Chemistry Techniques, Analytical | Oxygen - chemistry | Plasmids - chemistry | Mice | Proteins - chemistry | Diffusion | Electrochemistry - methods | Catalase - chemistry | Oxidation-reduction reaction | Biomolecules | Research | Chemical properties | Polystyrene | DNA
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2. Full Text Dynamic Loading and Unloading of Proteins in Polymeric Stomatocytes: Formation of an Enzyme-Loaded Supramolecular Nanomotor
by Abdelmohsen, Loai K. E. A and Nijemeisland, Marlies and Pawar, Gajanan M and Janssen, Geert-Jan A and Nolte, Roeland J. M and van Hest, Jan C. M and Wilson, Daniela A
ACS Nano, ISSN 1936-0851, 02/2016, Volume 10, Issue 2, pp. 2652 - 2660
Self-powered artificial nanomotors are currently attracting increased interest as mimics of biological motors but also as potential components of... 
stomatocytes | nanomotor | biofuel | supramolecular chemistry | autonomous movement | PARTICLES | MATERIALS SCIENCE, MULTIDISCIPLINARY | CHEMISTRY, PHYSICAL | NANOSCIENCE & NANOTECHNOLOGY | CHEMISTRY, MULTIDISCIPLINARY | FIELD-FLOW FRACTIONATION | MOTION | MOVEMENT | MOTORS | CONTROLLED SHAPE TRANSFORMATION | PROPULSION | Glucose Oxidase - chemistry | Hydrogen Peroxide - chemistry | Motion | Metal Nanoparticles - chemistry | Glucose - chemistry | Polyethylene Glycols - chemistry | Molecular Motor Proteins - chemistry | Platinum - chemistry | Biomimetic Materials - chemistry | Polystyrenes - chemistry | Catalase - chemistry
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3. Full Text Cytochrome bd oxidase from Escherichia coli displays high catalase activity: An additional defense against oxidative stress
by Borisov, Vitaliy B and Forte, Elena and Davletshin, Albert and Mastronicola, Daniela and Sarti, Paolo and Giuffrè, Alessandro
FEBS Letters, ISSN 0014-5793, 07/2013, Volume 587, Issue 14, pp. 2214 - 2218
Cytochrome oxygen reductase from has three hemes, , and . We found that the enzyme, as-prepared or in turnover with O , rapidly decomposes H O with formation... 
Oxidative stress | Reactive oxygen species | Respiratory chain | Hemeprotein | Bacteria–host interaction | Microbial metabolism | N-ethylmaleimide | dithiothreitol | DTT | NEM | ROS | reactive oxygen species | 2,3-dimethoxy-5-methyl-6-(3-methyl-2-butenyl)-1,4-benzoquinone | Bacteria-host interaction | AEROBIC RESPIRATORY-CHAIN | OXYGEN-REDUCING SITE | BIOCHEMISTRY & MOLECULAR BIOLOGY | DI-HEME | HIGH-AFFINITY | TERMINAL OXIDASE | CELL BIOLOGY | BIOPHYSICS | QUINOL OXIDASE | CARBON-MONOXIDE | NITRIC-OXIDE | HYDROGEN-PEROXIDE | C-OXIDASE | Oxidoreductases - antagonists & inhibitors | Cytochromes - chemistry | Oxidative Stress | Hydroquinones - chemistry | Sodium Cyanide - chemistry | Oxidoreductases - chemistry | Hydrogen Peroxide - chemistry | NAD - chemistry | Cattle | Enzyme Inhibitors - chemistry | Oxygen - chemistry | Electron Transport Chain Complex Proteins - antagonists & inhibitors | Dithiothreitol - chemistry | Escherichia coli Proteins - antagonists & inhibitors | Reducing Agents - chemistry | NAD(P)H Dehydrogenase (Quinone) - chemistry | Cytochromes - antagonists & inhibitors | Escherichia coli - enzymology | Oxidants - chemistry | Rats | Electron Transport Chain Complex Proteins - chemistry | Animals | Kinetics | Escherichia coli Proteins - chemistry | Catalase - chemistry | Proteins | Oxidases | Denaturation | Nitric oxide | Escherichia coli | Oxygen | Enzyme Inhibitors | Hydrogen Peroxide | Biochemistry, Molecular Biology | Sodium Cyanide | Reducing Agents | NAD(P)H Dehydrogenase (Quinone) | NAD | Life Sciences | Hydroquinones | Escherichia coli Proteins | Catalase | Oxidants | Cytochromes | Oxidoreductases | Dithiothreitol | Electron Transport Chain Complex Proteins
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4. Full Text Antioxidant activity of Caesalpinia digyna root
by Srinivasan, R and Chandrasekar, M.J.N and Nanjan, M.J and Suresh, B
Journal of Ethnopharmacology, ISSN 0378-8741, 2007, Volume 113, Issue 2, pp. 284 - 291
The antioxidant properties of three successive extracts of Rottler root and the isolated compound, bergenin, were tested using standard and models. The amount... 
Caesalpinia digyna | Bergenin | CCl 4 | In vivo | Free radicals | CCl | free radicals | CHEMISTRY, MEDICINAL | ASSAY | ROTTL | bergenin | PLANT SCIENCES | SEEDS | INTEGRATIVE & COMPLEMENTARY MEDICINE | CCl4 | DISEASE | CHEMISTRY | SYSTEMS | PLANTS | PHARMACOLOGY & PHARMACY | in vivo | RADICALS | EXTRACTS | CONSTITUENTS | Plant Extracts - chemistry | Liver - pathology | Antioxidants - chemistry | Kidney - pathology | Rats, Wistar | Plant Extracts - pharmacology | Male | Chromatography, Thin Layer | Benzopyrans - chemistry | Dose-Response Relationship, Drug | Hydrogen Peroxide - chemistry | Sulfonic Acids - chemistry | Hydrazines - chemistry | Kidney - metabolism | Liver - drug effects | Lipid Peroxidation - drug effects | Oxidation-Reduction - drug effects | Picrates | Molecular Structure | Biphenyl Compounds - chemistry | Benzopyrans - pharmacology | Superoxide Dismutase - metabolism | Malondialdehyde - metabolism | Kidney - drug effects | Nitric Oxide - chemistry | Liver - metabolism | Deoxyribose - chemistry | Rats | Plant Extracts - isolation & purification | Antioxidants - pharmacology | Benzopyrans - isolation & purification | Carbon Tetrachloride - toxicity | Catalase - metabolism | Animals | Antioxidants - isolation & purification | Caesalpinia - chemistry | Plant Roots - chemistry | Benzothiazoles - chemistry | Antioxidants | Hydrogen peroxide | Pharmacy | Analysis | Oxides | Superoxide dismutase | Free radicals (Chemistry)
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5. Full Text Punica granatum (pomegranate) flower extract possesses potent antioxidant activity and abrogates Fe-NTA induced hepatotoxicity in mice
by Kaur, Gurpreet and Jabbar, Zoobi and Athar, Mohammad and Alam, M. Sarwar
Food and Chemical Toxicology, ISSN 0278-6915, 2006, Volume 44, Issue 7, pp. 984 - 993
Most pomegranate ( Linn., Punicaceae) fruit parts are known to possess enormous antioxidant activity. The present study evaluated antioxidant and... 
Punica granatum | Hepatoprotective | Antioxidant | Fe-NTA | Pomegranate | antioxidant | OXIDATIVE STRESS | ACID | FRUIT EXTRACT | FOOD SCIENCE & TECHNOLOGY | RATS | TOXICITY | JUICE FLAVONOIDS | hepatoprotective | CARCINOGENESIS | GLUTATHIONE | pomegranate | NITRIC-OXIDE | TOXICOLOGY | FERRIC-NITRILOTRIACETATE | Free Radical Scavengers - pharmacology | Plant Extracts - chemistry | Liver - pathology | Antioxidants - chemistry | Free Radical Scavengers - chemistry | Plant Extracts - pharmacology | Male | Nitrilotriacetic Acid - toxicity | Flowers - chemistry | Nitrilotriacetic Acid - analogs & derivatives | Hydrogen Peroxide - chemistry | Hydroxyl Radical - chemistry | Picrates - chemistry | Lipid Peroxidation - drug effects | Ascorbic Acid - chemistry | Ferric Compounds - antagonists & inhibitors | Chemical and Drug Induced Liver Injury - pathology | Liver Function Tests | Punicaceae - chemistry | Chemical and Drug Induced Liver Injury - prevention & control | Ferric Compounds - toxicity | Glutathione Peroxidase - metabolism | Oxidants - chemistry | Nitric Oxide - chemistry | Oxidation-Reduction | Oxidoreductases - metabolism | Nitrilotriacetic Acid - antagonists & inhibitors | Superoxides - chemistry | Glutathione Transferase - metabolism | Biphenyl Compounds | Liver - chemistry | Catalase - metabolism | Phenols - analysis | Animals | Glutathione - chemistry | Mice | Subcellular Fractions - chemistry | Hydrogen peroxide | Phosphatases | Aspartate | Lipids | Oxides | Flowers | Bilirubin | Antioxidants | Glutathione transferase | Analysis | Nitric oxide | Polyphenols | Peroxidase | Glutathione
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6. Full Text Enzyme-Regulated Fast Self-Healing of a Pillararene-Based Hydrogel
by Zhang, Xin and Xu, Jiayun and Lang, Chao and Qiao, Shanpeng and An, Guo and Fan, Xiaotong and Zhao, Linlu and Hou, Chunxi and Liu, Junqiu
Biomacromolecules, ISSN 1525-7797, 06/2017, Volume 18, Issue 6, pp. 1885 - 1892
Self-healing, one of the exciting properties of materials, is frequently used to repair the damage of biological and artificial systems. Here we have used... 
POLYMERS | POLYMER SCIENCE | ACID | DRUG-DELIVERY | BIOCHEMISTRY & MOLECULAR BIOLOGY | CHEMISTRY | CHEMISTRY, ORGANIC | STRENGTH | SUPRAMOLECULAR GELS | CELL | CARBOXYMETHYLCELLULOSE | SHAPE-MEMORY | Glucose Oxidase - chemistry | Benzaldehydes - chemistry | Biocatalysis | Cross-Linking Reagents - chemistry | Oxidation-Reduction | Drug Compounding - methods | Polyethylene Glycols - chemistry | Quaternary Ammonium Compounds - chemistry | Schiff Bases - chemistry | Glucose - chemistry | Drug Delivery Systems - methods | Hydrogels - chemistry | Catalase - chemistry
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7. Full Text A phosphate-dependent shift in redox state of cerium oxide nanoparticles and its effects on catalytic properties
by Singh, Sanjay and Dosani, Talib and Karakoti, Ajay S and Kumar, Amit and Seal, Sudipta and Self, William T
Biomaterials, ISSN 0142-9612, 2011, Volume 32, Issue 28, pp. 6745 - 6753
Abstract Cerium oxide nanoparticles (CeNPs) have shown promise as catalytic antioxidants in cell culture and animal models as both superoxide dismutase and... 
Advanced Basic Science | Dentistry | Oxidative stress | Reactive oxygen species | Cerium oxide nanoparticles | Catalysis | Redox active nanomaterials | LOCALIZATION | PHOSPHORUS | MATERIALS SCIENCE, BIOMATERIALS | ENGINEERING, BIOMEDICAL | MEDIA | SUPEROXIDE-DISMUTASE | CYTOTOXICITY | NANOCERIA | Biocompatible Materials - metabolism | Antioxidants - chemistry | Nanoparticles - chemistry | Oxidation-Reduction | Cerium - chemistry | Biocompatible Materials - chemistry | Phosphates - chemistry | Materials Testing | Anions - chemistry | Catalase - metabolism | Hydrogen Peroxide - chemistry | Particle Size | Superoxide Dismutase - chemistry | Animals | Sulfates - chemistry | Carbonates - chemistry | Superoxide Dismutase - metabolism | Catalase - chemistry | Hydrogen-Ion Concentration | Nanoparticles | Antioxidants | Phosphates | Biological products | Peptides | Analysis | Cerium | Superoxide | Nanotechnology | Biomedical engineering
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8. Full Text Antidiabetic and Antioxidant Effects and Phytochemicals of Mulberry Fruit (Morus alba L.) Polyphenol Enhanced Extract
by Wang, Yihai and Xiang, Limin and Wang, Chunhua and Tang, Chao and He, Xiangjiu
PLoS ONE, ISSN 1932-6203, 07/2013, Volume 8, Issue 7, p. e71144
The antidiabetic and antioxidant activities of the ethyl acetate-soluble extract (MFE) of mulberry fruit (Morus alba L.) were investigated. In vitro, MFE... 
FLAVONOID GLYCOSIDES | PATHWAY | MULTIDISCIPLINARY SCIENCES | ALPHA-GLUCOSIDASE | IN-VIVO | INHIBITORY-ACTIVITY | PHENOLICS | DEPSIDES | ANTHOCYANINS | DIABETIC-RATS | ALKALOIDS | Glycoside Hydrolase Inhibitors | Plant Extracts - chemistry | Diabetes Mellitus, Experimental - drug therapy | Flavonoids - analysis | Antioxidants - chemistry | Plant Extracts - pharmacology | Polyphenols - pharmacology | Male | Diabetes Mellitus, Experimental - metabolism | Streptozocin - adverse effects | Superoxide Dismutase - metabolism | Phytochemicals - chemistry | Glutathione Peroxidase - metabolism | Fruit - chemistry | Hypoglycemic Agents - chemistry | Antioxidants - pharmacology | Enzyme Activation - drug effects | Hypoglycemic Agents - pharmacology | Catalase - metabolism | Phenols - analysis | Animals | Polyphenols - chemistry | Phenols - chemistry | Mice | Flavonoids - chemistry | Phytochemicals - pharmacology | Morus - chemistry | Antioxidants | Enzymes | Superoxide | Blood sugar | Blood proteins | Fractionation | Nuclear magnetic resonance--NMR | Streptozocin | Scavenging | Diabetes mellitus | Ethyl acetate | Glucosidase | Phenolic compounds | Biological activity | Fruits | Phytochemicals | Enzymatic activity | Phenols | Polyphenols | Acetic acid | Chronic illnesses | NMR | Nuclear magnetic resonance
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9. Full Text Reactions between nitrosopersulfide and heme proteins
by Bolden, Crystal and King, S. Bruce and Kim-Shapiro, Daniel B
Free Radical Biology and Medicine, ISSN 0891-5849, 10/2016, Volume 99, pp. 418 - 425
When nitrosothiols react with excess hydrogen sulfide, H S, they form several intermediates including nitrosopersulfide (SSNO ). The stability and importance... 
Hydrogen sulfide | Nitrosothiol | Nitroxyl | Nitrosopersulfide | Nitric oxide | HEMOGLOBIN | CATALASE | BIOACTIVITY | OXIDATION | REDUCTIVE NITROSYLATION | BIOCHEMISTRY & MOLECULAR BIOLOGY | HYDROGEN-SULFIDE | ENDOCRINOLOGY & METABOLISM | NITRIC-OXIDE | S-NITROSOTHIOLS | C-OXIDASE | Methemoglobin - chemistry | Nitric Oxide - chemistry | Humans | Hydrogen Sulfide - chemistry | Iron - chemistry | Nitrogen Oxides - chemistry | Oxyhemoglobins - chemistry | Sulfides - chemistry | Hemoglobins - chemistry | Nitroso Compounds - chemistry | Heme - chemistry | Solutions | Hemeproteins - chemistry | Kinetics | Carboxyhemoglobin - chemistry | Hemoglobin | Medical colleges | Heme | Proteins | Oxyhemoglobin | Glycosylated hemoglobin | nitroxyl | nitric oxide | nitrosopersulfide | nitrosothiol
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10. Full Text Hemoglobin‐Based Nanoarchitectonic Assemblies as Oxygen Carriers
by Jia, Yi and Duan, Li and Li, Junbai
Advanced Materials, ISSN 0935-9648, 02/2016, Volume 28, Issue 6, pp. 1312 - 1318
Safe and effective artificial oxygen carriers are the subject of great interest due to the problems of traditional blood transfusion and enormous demand in... 
layer‐by‐layer assembly | oxygen carriers | nanoarchitectonics | hemoglobin | layer-by-layer assembly | POLYMERSOME ENCAPSULATED HEMOGLOBIN | PHYSICS, CONDENSED MATTER | PHYSICS, APPLIED | PROTEIN | PARTICLES | DRUG-DELIVERY | HUMAN SERUM-ALBUMIN | MATERIALS SCIENCE, MULTIDISCIPLINARY | CROSS-LINKING | CHEMISTRY, PHYSICAL | NANOSCIENCE & NANOTECHNOLOGY | CHEMISTRY, MULTIDISCIPLINARY | NANOPARTICLES | BLOOD-CELL SUBSTITUTES | ANTIOXIDANT | SUPEROXIDE-DISMUTASE-CATALASE | Cross-Linking Reagents - chemistry | Antioxidants - chemistry | Nanoparticles - chemistry | Nanotechnology - methods | Solvents - chemistry | Humans | Hemoglobins - chemistry | Animals | Erythrocytes - metabolism | Oxygen - chemistry | Glutathione - chemistry | Adenosine Triphosphate - chemistry | Serum Albumin - chemistry | Hemoglobin | Demand | Carriers | Cellular | Pathways | Nanostructure | Assemblies | Blood transfusion
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11. Full Text The novel multi cross-linked enzyme aggregates of protease, lipase, and catalase production from the sunflower seeds, characterization and application
by Özacar, Mahmut and Özacar, Zeynep Ziyade and Mehde, Atheer Awad and Mehdi, Wesen Adel and Severgün, Olcay
Colloids and Surfaces B: Biointerfaces, ISSN 0927-7765, 01/2019, Volume 173, pp. 58 - 68
The cross-linked enzyme aggregates (CLEAs) have numerous economic advantages in the industrial bio catalysis. In the present study, the multi CLEAs containing... 
Multi CLEAs | Catalase | Sunflower | Lipase | Protease | MATERIALS SCIENCE, BIOMATERIALS | STABILITY | HYDROLYSIS | CHEMISTRY, PHYSICAL | DETERGENT | PARAMETERS | IMMOBILIZATION | STRATEGIES | BIOPHYSICS | BIOCATALYST | CHARACTERISTIC FEATURES | CLEAS | BOVINE SERUM-ALBUMIN | Plant Proteins - isolation & purification | Protein Aggregates | Biocatalysis | Cross-Linking Reagents - chemistry | Detergents - chemistry | Ammonium Sulfate - chemistry | Coloring Agents - isolation & purification | Lipase - isolation & purification | Seeds - enzymology | Enzyme Assays | Lipase - chemistry | Peptide Hydrolases - chemistry | Starch - chemistry | Catalase - isolation & purification | Plant Proteins - chemistry | Peptide Hydrolases - isolation & purification | Serum Albumin, Bovine - chemistry | Helianthus - enzymology | Seeds - chemistry | Helianthus - chemistry | Kinetics | Glutaral - chemistry | Catalase - chemistry | Enzymes | Detergents, Synthetic | Crosslinked polymers | Seeds | Ammonium sulphate | Albumin | Hydrolases | Catalysis
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12. Full Text An Active Dimanganese(III)−Tyrosyl Radical Cofactor in Escherichia coli Class Ib Ribonucleotide Reductase
by Cotruvo, Joseph A and Stubbe, JoAnne
Biochemistry, ISSN 0006-2960, 02/2010, Volume 49, Issue 6, pp. 1297 - 1309
Escherichia coli class Ib ribonucleotide reductase (RNR) converts nucleoside 5′-diphosphates to deoxynucleoside 5′-diphosphates and is expressed under... 
3-DIMENSIONAL STRUCTURE | OXYGEN ACTIVATION | CORYNEBACTERIUM-AMMONIAGENES | LACTOBACILLUS-PLANTARUM | BREVIBACTERIUM-AMMONIAGENES | BIOCHEMISTRY & MOLECULAR BIOLOGY | SMALL-SUBUNIT | SALMONELLA-TYPHIMURIUM | TYROSYL RADICAL-DIIRON(III) COFACTOR | PLANTARUM MANGANESE CATALASE | THERMUS-THERMOPHILUS | Catalytic Domain | Oxidants - chemistry | Coenzymes - biosynthesis | Oxidation-Reduction | Ribonucleotide Reductases - chemistry | Free Radicals - chemistry | Metalloproteins - biosynthesis | Peroxides - chemistry | Metalloproteins - classification | Escherichia coli Proteins - classification | Protein Subunits - classification | Ribonucleotide Reductases - classification | Multiprotein Complexes - chemistry | Metalloproteins - chemistry | Multiprotein Complexes - classification | Coenzymes - classification | Escherichia coli Proteins - biosynthesis | Oxygen - chemistry | Ribonucleotide Reductases - biosynthesis | Protein Subunits - chemistry | Coenzymes - chemistry | Escherichia coli Proteins - chemistry | Manganese Compounds - chemistry | Tyrosine - chemistry | Ribonucleotides | Escherichia coli | Analysis | Organometallic compounds | Physiological aspects | Oxidation-reduction reaction | Genetic aspects | Chemical properties | Structure | Manganese
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13. Full Text Construction of effective disposable biosensors for point of care testing of nitrite
by Monteiro, Tiago and Rodrigues, Patrícia R and Gonçalves, Ana Luisa and Moura, José J.G and Jubete, Elena and Añorga, Larraitz and Piknova, Barbora and Schechter, Alan N and Silveira, Célia M and Almeida, M. Gabriela
Talanta, ISSN 0039-9140, 09/2015, Volume 142, pp. 246 - 251
In this paper we aim to demonstrate, as a proof-of-concept, the feasibility of the mass production of effective point of care tests for nitrite quantification... 
Carbon conductive ink | Screen printed electrodes | Nitrite | Cytochrome c nitrite reductase | Biosensors | Point of care testing | CHEMISTRY, ANALYTICAL | NITRATE | LACTATE | BIOLOGY | REDUCTASE | SYSTEMS | ELECTROCHEMICAL CHARACTERIZATION | CARBON NANOFIBER | Acetone - chemistry | Glucose Oxidase - chemistry | Enzymes, Immobilized - chemistry | Milk - chemistry | Point-of-Care Testing | Solvents - chemistry | Ink | Drinking Water - analysis | Butanones - chemistry | Electrodes | Animals | Cytochromes c1 - chemistry | Biosensing Techniques | Glucose - chemistry | Nitrites - blood | Oxygen - chemistry | Nitrites - analysis | Catalysis | Graphite - chemistry | Miniaturization | Catalase - chemistry | Cytochromes a1 - chemistry | Nitrate Reductases - chemistry | Nitrites - urine | Oxidases | Ammonia | Medical equipment | Medical tests | Glucose | Physiological apparatus | Dextrose
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14. Full Text Nitric oxide ameliorates zinc oxide nanoparticles-induced phytotoxicity in rice seedlings
by Chen, Juan and Liu, Xiang and Wang, Chao and Yin, Shan-Shan and Li, Xiu-Ling and Hu, Wen-Jun and Simon, Martin and Shen, Zhi-Jun and Xiao, Qiang and Chu, Cheng-Cai and Peng, Xin-Xiang and Zheng, Hai-Lei
Journal of Hazardous Materials, ISSN 0304-3894, 10/2015, Volume 297, pp. 173 - 182
Nitric oxide (NO) has been found to function in enhancing plant tolerance to various environmental stresses. However, role of NO in relieving zinc oxide... 
Phytotoxicity | Antioxidant | Nitric oxide | Zinc oxide nanoparticles