dihydroxyphenylalanine has been researched along with ascorbic acid in 70 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 56 (80.00) | 18.7374 |
| 1990's | 8 (11.43) | 18.2507 |
| 2000's | 5 (7.14) | 29.6817 |
| 2010's | 1 (1.43) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Khatchadourian, C; Menezo, Y; Ortonne, JP; Voulot, C | 1 |
| Sasaki, M; Seiji, M; Tomita, Y | 1 |
| Bischoff, F; Bryson, G | 1 |
| Lerner, AB; Pawelek, JM | 1 |
| Mars, H | 1 |
| Dehner, EJ; Martin, ET; Schwartz, JB | 1 |
| Smith, PI; Swan, GA | 1 |
| Clark, JH; Garai, J | 1 |
| Dontsov, AE; Porebska-Budny, M; Sakina, NL; Stepień, KB; Wilczok, T | 1 |
| Nagafuchi, T; Rzepecki, LM; Waite, JH | 1 |
| Kolodziejczyk, P; Lown, JW; Reszka, K | 1 |
| Marumo, K; Waite, JH | 1 |
| Knott, PJ; Togasaki, DM; Young, JG | 1 |
| Levine, M; Morita, K; Pollard, H | 1 |
| Meadows, GG; Pierson, HF | 1 |
| Lovstad, RA | 1 |
| Kanig, K; Oesterle, W | 1 |
| Riley, PA | 2 |
| Hu, F | 1 |
| Marsden, CD | 1 |
| Kameyama, T; Kinemuchi, H | 1 |
| Meister, A; Orlando, J; Tate, SS | 1 |
| Kawada, S; Nakashima, Y; Sanada, H; Suzue, R | 1 |
| Hendee, JR; Lerner, AB | 1 |
| Gairard, A; Marnay-Gulat, C | 1 |
| Chmelar, V; Drsata, J; Hais, IM | 1 |
| Bowman, J; Feldman, JM | 1 |
| Digendra, V; Mukherjee, PP; Mukherjee, S | 1 |
| Della Valle, G; Di Corato, R; Sforzi, C | 1 |
| Gambino, SR; Lum, G | 1 |
| Cottet-Emard, JM; Peyrin, L | 1 |
| Felice, LJ; Kissinger, PT; Pachla, LA; Riggin, RM; Wenke, DC | 1 |
| Haberman, HF; Menon, IA | 1 |
| Pirie, A | 1 |
| Bastin, M; Dijkmans, H | 1 |
| Prabhakaran, K | 1 |
| Gault, MH; Hebert, MA; Singh, HP | 1 |
| Tyce, GM | 1 |
| Centi, R; Zaffiri, O | 1 |
| Pomerantz, SH | 1 |
| Dresse, A; Gérardy, J; Quinaux, N | 1 |
| Anton, AH; Sayre, DF | 1 |
| Albery, WJ; Fillenz, M; Grünewald, RA; O'Neill, RD | 1 |
| Hansson, C; Rorsman, H; Rosengren, E | 1 |
| Jergil, B; Lindbladh, C; Rorsman, H; Rosengren, E | 1 |
| Lindbladh, C; Rorsman, H; Rosengren, E | 1 |
| Felix, CC; Kalyanaraman, B; Sealy, RC | 1 |
| Hariu, A; Mizuno, C; Seiji, M; Tomita, Y | 1 |
| Ambrose, EJ; Khanolkar, SR; Mahadevan, PR | 1 |
| Morrison, LE; Parsons, PG | 1 |
| Agrup, G; Hansson, C; Rorsman, H; Rosengren, E | 1 |
| Bergh, I; Fornstedt-Wallin, B | 1 |
| Nappi, AJ; Vass, E | 1 |
| Aizenman, E; Newcomer, TA; Rosenberg, PA | 1 |
| García-Cánovas, F; Rodríguez-López, JN; Ros, JR | 1 |
| Beck, JF; Böhm, W; Bruchelt, G; Gebhardt, S; Lode, HN; Niethammer, D; Seitz, G | 1 |
| Jabre, F; Réglier, M; Slama, P; Tron, T | 1 |
| Rmaile, HH; Schlenoff, JB | 1 |
| HEALE, JB; ISAAC, I | 1 |
| NAKAMURA, T; SHO, S | 1 |
| AXELROD, J | 1 |
| ASO, K; TAKENOUCHI, K | 1 |
| AERTS, FE; VERCAUTEREN, RE | 1 |
| Kikuchi, M; Kubota, Y; Otsuka, F; Saito, M; Sano, A; Tokutake, S; Yamakoshi, J | 1 |
| Liu, HW; Liu, P; Mehn, MP; Que, L; Yan, F; Zhao, Z | 1 |
| Kasai, K; Koga, T; Watanabe, Y; Yamakoshi, J; Yoshimura, M | 1 |
| JONES, KK; VAN ARMAN, CG | 1 |
| LAN, TH; SEALOCK, RR | 1 |
| Liu, H; Liu, X; Na, W; Qu, Z; Su, X | 1 |
1 review(s) available for dihydroxyphenylalanine and ascorbic acid
| Article | Year |
|---|---|
[Biochemical treatment possibilities in psychoses].
Topics: Amino Acids; Ascorbic Acid; Dihydroxyphenylalanine; Humans; Methionine; Niacinamide; Nicotinic Acids; Phenylalanine; Psychotic Disorders; Pyridoxine; Schizophrenia; Tryptophan; Tyrosine | 1969 |
69 other study(ies) available for dihydroxyphenylalanine and ascorbic acid
| Article | Year |
|---|---|
A rapid quantitative analysis of tyrosine and its oxidation products by tyrosinase.
Topics: Alanine; Animals; Ascorbic Acid; Basidiomycota; Catechol Oxidase; Chemical Phenomena; Chemistry, Physical; Chromatography, Ion Exchange; Dihydroxyphenylalanine; Guanidines; Monophenol Monooxygenase; Oxidation-Reduction; Rabbits; Tyrosine | 1978 |
Nature of tyrosinase inactivation in melanosomes.
Topics: Animals; Ascorbic Acid; Cytochrome c Group; Dihydroxyphenylalanine; In Vitro Techniques; Melanocytes; Mice; Superoxides; Tyrosine | 1978 |
Short- and long-term effects of graduated doses of DL-6-OH-DOPA upon marsh mice.
Topics: Age Factors; Animals; Ascorbic Acid; Carcinogens; Dihydroxyphenylalanine; Female; Hydroxydopamines; Male; Mice; Sex Factors; Stereoisomerism; Time Factors | 1979 |
5,6-Dihydroxyindole is a melanin precursor showing potent cytotoxicity.
Topics: Amino Acids; Ascorbic Acid; Cell Division; Cell Line; Cell Survival; Dihydroxyphenylalanine; DNA; Indoles; Melanins | 1978 |
Effect of supplemental ascorbic acid in a case of torsion dystonia.
Topics: Adult; Ascorbic Acid; Dihydroxyphenylalanine; Dopamine; Dystonia Musculorum Deformans; Epinephrine; Female; Humans; Methoxyhydroxyphenylglycol; Norepinephrine; Vanilmandelic Acid | 1976 |
Intragranular starch: comparison of starch USP and modified cornstarch.
Topics: Acetaminophen; Ascorbic Acid; Biopharmaceutics; Cellulose; Chlorothiazide; Dihydroxyphenylalanine; Excipients; Hardness Tests; Kinetics; Methyldopa; Pressure; Probenecid; Solubility; Starch; Tablets | 1975 |
A study of the supposed hydroxylation of tyrosine catalysed by peroxidase.
Topics: Ascorbic Acid; Dihydroxyphenylalanine; Fumarates; Horseradish Peroxidase; Hydrogen Peroxide; Hydroxylation; Peroxidases; Phenols; Tyrosine | 1976 |
Tyrosinase-like activity and estradiol binding in rat uterine nuclear extracts.
Topics: Animals; Ascorbic Acid; Binding, Competitive; Cell Nucleus; Copper; Dihydroxyphenylalanine; Estradiol; Female; Hydrogen-Ion Concentration; Kinetics; Monophenol Monooxygenase; Rats; Rats, Inbred Strains; Sulfhydryl Reagents; Tritium; Uterus; Water | 1992 |
Antioxidative activity of synthetic melanins. Cardiolipin liposome model.
Topics: Antioxidants; Ascorbic Acid; Cardiolipins; Dihydroxyphenylalanine; Dopamine; Epinephrine; Ferrous Compounds; Indoles; Lipid Peroxidation; Liposomes; Melanins; Nitroblue Tetrazolium; Photochemistry; Ultraviolet Rays | 1992 |
alpha,beta-Dehydro-3,4-dihydroxyphenylalanine derivatives: potential schlerotization intermediates in natural composite materials.
Topics: Amino Acid Sequence; Ascorbic Acid; Caffeic Acids; Catechol Oxidase; Consensus Sequence; Dihydroxyphenylalanine; Hydroxylation; Isomerism; Magnetic Resonance Spectroscopy; Molecular Sequence Data; Periodic Acid; Spectrophotometry, Ultraviolet | 1991 |
Photosensitization by antitumor agents 2: anthrapyrazole-photosensitized oxidation of ascorbic acid and 3,4-dihydroxyphenylalanine.
Topics: Anthraquinones; Antineoplastic Agents; Ascorbic Acid; Cyclic N-Oxides; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Free Radicals; Light; Oxidation-Reduction; Photochemotherapy; Pyrazoles | 1986 |
Optimization of hydroxylation of tyrosine and tyrosine-containing peptides by mushroom tyrosinase.
Topics: Ascorbic Acid; Basidiomycota; Catechol Oxidase; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Hydrogen-Ion Concentration; Hydroxylation; Monophenol Monooxygenase; Temperature; Time Factors; Tyrosine | 1986 |
L-dihydroxyphenylalanine-induced asymmetric changes in striatal uric acid peak: determination by in vivo electrochemical detection in rats with unilateral nigrostriatal lesions.
Topics: Animals; Ascorbic Acid; Behavior, Animal; Caudate Nucleus; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Functional Laterality; Male; Rats; Uric Acid | 1987 |
Enhancement of norepinephrine biosynthesis by ascorbic acid in cultured bovine chromaffin cells.
Topics: Adrenal Medulla; Animals; Ascorbic Acid; Biological Transport; Cattle; Cells, Cultured; Chromaffin System; Dihydroxyphenylalanine; Dopamine; Kinetics; Norepinephrine; Tyrosine | 1985 |
Influence of supplemental ascorbate on the antitumor activity of 5-hydroxydopa, a purported cytotoxic metabolite.
Topics: Animals; Ascorbic Acid; Dihydroxyphenylalanine; Drug Interactions; Female; Leukemia L1210; Leukemia P388; Male; Melanoma; Mice; Mice, Inbred C57BL; Mice, Inbred DBA | 1985 |
Interaction of phenothiazine derivatives with human ceruloplasmin.
Topics: Antipsychotic Agents; Ascorbic Acid; Blood Proteins; Ceruloplasmin; Chlorpromazine; Dihydroxyphenylalanine; Dopamine; Glutathione; Humans; In Vitro Techniques; Iron; Kinetics; Magnetic Resonance Spectroscopy; Methotrimeprazine; NAD; NADP; Oxidation-Reduction; Promazine; Protein Binding; Spectrophotometry; Stimulation, Chemical; Sulfates; Triflupromazine | 1974 |
Hydroxyanisole depigmentation: in-vivo studies.
Topics: Adenosine Triphosphatases; Animals; Antioxidants; Ascorbic Acid; Dihydroxyphenylalanine; Guaiacol; Guinea Pigs; Histocytochemistry; Pigmentation; Skin; Skin Absorption; Skin Transplantation; Transplantation, Autologous; Tyrosine; Vitamin E; Vitiligo | 1969 |
The influence of certain hormones and chemicals on mammalian pigment cells.
Topics: Adrenocorticotropic Hormone; Animals; Ascorbic Acid; Chromatophores; Colchicine; Copper; Culture Techniques; Dihydroxyphenylalanine; Hydroquinones; Melanins; Melanocyte-Stimulating Hormones; Melanoma; Melatonin; Mice; Motion Pictures; Pigmentation; Tyrosine | 1966 |
Oxidative enzymes responsible for the conversion of 3,4-dihydroxyphenylalanine to melanin in the small intestine of rodents.
Topics: Animals; Ascorbic Acid; Azides; Carbamates; Catalase; Dihydroxyphenylalanine; Electron Transport Complex IV; Guinea Pigs; Histocytochemistry; In Vitro Techniques; Intestine, Small; Melanins; Peroxidases; Protamines; Rats; Resorcinols | 1966 |
Mechanism of pigment-cell toxicity produced by hydroxyanisole.
Topics: Animals; Ascorbic Acid; Autoradiography; Catechol Oxidase; Catechols; Cell Membrane; Chromatophores; Culture Techniques; Cytoplasm; Dihydroxyphenylalanine; Dipeptides; Electron Spin Resonance Spectroscopy; Free Radicals; Glutathione; Guaiacol; Guinea Pigs; Melanins; Melanocytes; Phenols; Skin; Thiocarbamates; Tritium; Ubiquinone | 1970 |
[Effect of substances related to catecholamine on free amino acids and ammonium in the brain under cold stress].
Topics: Adrenal Glands; Aminobutyrates; Ammonia; Animals; Ascorbic Acid; Aspartic Acid; Brain; Brain Chemistry; Cold Temperature; Dihydroxyphenylalanine; Glutamates; Glutamine; Hydrazines; Male; Monoamine Oxidase Inhibitors; Nialamide; Rats; Stress, Physiological | 1967 |
Decarboxylation of 3,4-dihydroxyphenylalanine (DOPA) by erythrocytes: a reaction promoted by methemoglobin and other ferriheme proteins.
Topics: Animals; Ascorbic Acid; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography, Paper; Cytochromes; D-Amino-Acid Oxidase; Decarboxylation; Dihydroxyphenylalanine; Erythrocytes; Hemoglobins; Humans; Kidney; Liver; Methemoglobin; Mice; Myoglobin; Oxidation-Reduction; Peroxidases; Spectrophotometry; Stereoisomerism | 1972 |
Effect of thiol compounds on melanin formation by tyrosinase.
Topics: Ascorbic Acid; Basidiomycota; Catalysis; Catechol Oxidase; Catechols; Chemical Phenomena; Chemistry; Chromatography, Gel; Chromatography, Paper; Crystallization; Cysteine; Dihydroxyphenylalanine; Glutathione; Infrared Rays; Kinetics; Magnetic Resonance Spectroscopy; Melanins; Oxidation-Reduction; Quinones; Spectrophotometry; Sulfhydryl Compounds; Tritium; Tyrosine; Ultraviolet Rays | 1972 |
A rapid histochemical test for mammalian tyrosinase.
Topics: Animals; Ascorbic Acid; Catechol Oxidase; Dihydroxyphenylalanine; Guinea Pigs; Histocytochemistry; Humans; Melanocytes; Methods; Skin; Tyrosine | 1973 |
[Relations between ascorbic acid and restraint ulcer in rats].
Topics: Animals; Ascorbic Acid; Catecholamines; Dihydroxyphenylalanine; Gastric Mucosa; Rats; Stomach Ulcer | 1972 |
The storage of the solution of 14 C-labelled 3,4-dihydroxyphenylalanine for decarboxylase assay.
Topics: Ascorbic Acid; Carbon Isotopes; Decarboxylation; Dihydroxyphenylalanine; Dopa Decarboxylase; Drug Stability; Solutions | 1973 |
Urinary homogentisic acid: determination by thin-layer chromatography.
Topics: Alkaptonuria; Ascorbic Acid; Chromatography, Thin Layer; Dihydroxyphenylalanine; Drug Stability; Gentisates; Homogentisic Acid; Humans; Male; Methods; Middle Aged; Phenylacetates; Spectrophotometry; Time Factors | 1973 |
Peroxidase mediated oxidation of tyrosine: tyrosine hydroxylation in tea leaves.
Topics: Ascorbic Acid; Buffers; Cysteine; Dihydroxyphenylalanine; Glutathione; Hydrogen-Ion Concentration; Hydroxylation; Melanins; Mercaptoethanol; Oxidation-Reduction; Peroxidases; Sulfites; Tea; Tyrosine | 1973 |
[Resuscitation treatment of patients with carbon monoxide poisoning].
Topics: Ascorbic Acid; Carbon Monoxide Poisoning; Dihydroxyphenylalanine; Exchange Transfusion, Whole Blood; Humans; Hyperbaric Oxygenation; Resuscitation | 1973 |
Comparison of four methods for measuring uric acid: copper-chelate, phosphotungstate, manual uricase, and automated kinetic uricase.
Topics: Amino Acids; Anti-Bacterial Agents; Ascorbic Acid; Autoanalysis; Chelating Agents; Copper; Dihydroxyphenylalanine; Glutathione; Humans; Kinetics; Methods; Phosphotungstic Acid; Quinolines; Resorcinols; Urate Oxidase; Uric Acid | 1973 |
Automated specific fluorimetric methods for epinephrine and norepinephrine assay in a single biological extract.
Topics: Ascorbic Acid; Autoanalysis; Buffers; Dihydroxyphenylalanine; Dopamine; Epinephrine; Ferricyanides; Fluorometry; Humans; Hydrogen-Ion Concentration; Indicators and Reagents; Methods; Norepinephrine; Oxidation-Reduction; Sodium Hydroxide; Spectrometry, Fluorescence | 1973 |
Electrochemical detection of selected organic components in the eluate from high-performance liquid-chromatography.
Topics: Ascorbic Acid; Body Fluids; Catecholamines; Chromatography, Ion Exchange; Chromatography, Thin Layer; Dihydroxyphenylalanine; Electrochemistry; Electronics; Electrophoresis; Methods; Microchemistry; Uric Acid | 1974 |
Tyrosinase activity in serum from normal and melanoma-bearing mice.
Topics: Animals; Ascorbic Acid; Catechol Oxidase; Dihydroxyphenylalanine; Hot Temperature; Melanoma; Mice; Neoplasm Transplantation; Tritium; Tyrosine; Ultracentrifugation | 1968 |
Reaction of tyrosine oxidation products with proteins of the lens.
Topics: Animals; Ascorbic Acid; Cataract; Catechol Oxidase; Cattle; Chemical Phenomena; Chemistry; Chromatography, Paper; Crystallins; Cysteine; Dihydroxyphenylalanine; Edetic Acid; Fluorescence; Iron; Naphthoquinones; Oxidation-Reduction; Proteins; Sulfates; Sulfur; Tyrosine | 1968 |
Oxidation processes in relation to the induction of enzymes in Jerusalem artichoke tuber slices.
Topics: Amino Acids; Ascorbic Acid; Carbamates; Carbon Isotopes; Catechol Oxidase; Chelating Agents; Depression, Chemical; Dihydroxyphenylalanine; Edetic Acid; Enzyme Induction; Manometry; Oxalates; Oxygen Consumption; Peroxidases; Plant Physiological Phenomena; Plants; Pyruvates; Species Specificity; Stimulation, Chemical; Time Factors | 1970 |
Unusual effects of reducing agents on 0-diphenoloxidase of Mycobacterium leprae.
Topics: Animals; Ascorbic Acid; Azides; Basidiomycota; Catechol Oxidase; Cell-Free System; Cyanides; Cysteine; Cystine; Dihydroxyphenylalanine; Glutathione; Humans; Manometry; Melanins; Melanoma; Mice; Mycobacterium leprae; Oxidation-Reduction; Quinones; Skin; Species Specificity; Spectrophotometry; Spleen; Stereoisomerism; Tissue Extracts; Tyrosine | 1971 |
Effect of some drugs on clinical laboratory values as determined by the Technicon SMA 12-60.
Topics: Acetaminophen; Alkaline Phosphatase; Aminosalicylic Acids; Ascorbic Acid; Aspartate Aminotransferases; Autoanalysis; Bilirubin; Blood Chemical Analysis; Blood Glucose; Chemical Phenomena; Chemistry; Cholesterol; Clinical Laboratory Techniques; Dihydroxyphenylalanine; Evaluation Studies as Topic; Humans; Isoniazid; L-Lactate Dehydrogenase; Mercaptopurine; Methyldopa; Pharmaceutical Preparations; Spectrophotometry; Sulfathiazoles; Uric Acid | 1972 |
Metabolism of 3,4-dihydroxyphenylalanine by isolated perfused rat liver.
Topics: Amines; Animals; Ascorbic Acid; Autoradiography; Bile; Carbon Isotopes; Chromatography, Ion Exchange; Chromatography, Paper; Dihydroxyphenylalanine; Erythrocytes; Glucuronates; In Vitro Techniques; Liver; Male; Methyldopa; Perfusion; Phenylacetates; Rats | 1971 |
[On a very grave case of acute carbon monoxide poisoning favorably resolved with high doses of ascorbic acid with L-dopa].
Topics: Adult; Ascorbic Acid; Carbon Monoxide Poisoning; Dihydroxyphenylalanine; Humans; Male | 1971 |
The tyrosine hydroxylase activity of mammalian tyrosinase.
Topics: 5-Hydroxytryptophan; Animals; Ascorbic Acid; Carbamates; Cricetinae; Cyanides; Dihydroxyphenylalanine; Enzymes; In Vitro Techniques; Melanoma; Mixed Function Oxygenases; Tritium; Tyrosine; Tyrosine Decarboxylase | 1966 |
[Determination of noradrenaline, of dopamine and dihydroxyphenylacetic acid in certain nuclei of rat brain].
Topics: Animals; Ascorbic Acid; Catecholamines; Caudate Nucleus; Chromatography, Thin Layer; Dihydroxyphenylalanine; Dopamine; Female; Fluorometry; Haloperidol; Hypothalamus; Male; Norepinephrine; Phenylacetates; Probenecid; Rats; Reserpine; Tranylcypromine | 1971 |
Possible sources of error in solvent extraction procedures for catecholamines.
Topics: Animals; Ascorbic Acid; Brain Chemistry; Catecholamines; Cysteine; Dihydroxyphenylalanine; Dogs; Dopamine; Epinephrine; Glutathione; Liver; Methods; Norepinephrine; Oxidation-Reduction; Solvents; Sulfhydryl Compounds | 1968 |
Linear sweep voltammetry with carbon paste electrodes in the rat striatum.
Topics: alpha-Methyltyrosine; Animals; Ascorbic Acid; Carbon; Corpus Striatum; Dihydroxyphenylalanine; Electrodes; Electrophysiology; Haloperidol; In Vitro Techniques; Injections, Intraperitoneal; Male; Methyltyrosines; Microinjections; Rats; Rats, Inbred Strains; Tyrosine 3-Monooxygenase | 1982 |
Pronounced formation of 5-OH-dopa at enzymatic oxidation of DOPA in the presence of ascorbic acid.
Topics: Ascorbic Acid; Catechol Oxidase; Cysteine; Cysteinyldopa; Dihydroxyphenylalanine; Melanins; Monophenol Monooxygenase; Oxidation-Reduction | 1981 |
Tyrosinase activity in the medium of human melanoma cell cultures.
Topics: Ascorbic Acid; Catechol Oxidase; Cells, Cultured; Chromatography, High Pressure Liquid; Culture Media; Dihydroxyphenylalanine; Humans; Hydroxylation; Melanoma; Monophenol Monooxygenase; Oxidation-Reduction; Stereoisomerism; Tyrosine | 1983 |
The effect of catalase on the inactivation of tyrosinase by ascorbic acid and by cysteine or glutathione.
Topics: Ascorbic Acid; Basidiomycota; Catalase; Catechol Oxidase; Cysteine; Dihydroxyphenylalanine; Glutathione; Monophenol Monooxygenase | 1983 |
Peroxidatic oxidation of catecholamines. A kinetic electron spin resonance investigation using the spin stabilization approach.
Topics: Ascorbic Acid; Dihydroxyphenylalanine; Dopamine; Electron Spin Resonance Spectroscopy; Horseradish Peroxidase; Hydrogen Peroxide; Mathematics; Norepinephrine; Peroxidases; Phenol; Phenols | 1984 |
Inactivation of tyrosinase by dopa.
Topics: Animals; Ascorbic Acid; Catechol Oxidase; Dihydroxyphenylalanine; Enzyme Activation; Melanins; Melanocytes; Mice; Monophenol Monooxygenase | 1980 |
Uptake of 3,4-dihydroxy[3H]phenylalanine by Mycobacterium leprae isolated from frozen (-80 degrees C) armadillo tissue.
Topics: Animals; Armadillos; Ascorbic Acid; Chelating Agents; Dihydroxyphenylalanine; Mycobacterium leprae; Spleen; Temperature; Xenarthra | 1981 |
DNA damage and selective toxicity of dopa and ascorbate:copper in human melanoma cells.
Topics: Ascorbic Acid; Catalase; Cell Line; Cell Survival; Copper; Dihydroxyphenylalanine; DNA Repair; DNA, Neoplasm; Fibroblasts; Humans; Melanoma; RNA, Neoplasm | 1982 |
The effect of cysteine on oxidation of tyrosine, dopa, and cysteinyldopas.
Topics: Ascorbic Acid; Cysteine; Cysteinyldopa; Dihydroxyphenylalanine; Glutathione; Monophenol Monooxygenase; Oxidation-Reduction; Stimulation, Chemical; Tyrosine | 1982 |
Sensitive high-performance liquid chromatographic method for the determination of 5-S-cysteinyldopamine, 5-S-cysteinyl-3,4-dihydroxyphenylacetic acid and 5-S-cysteinyl-3,4-dihydroxyphenylalanine.
Topics: Animals; Ascorbic Acid; Brain Chemistry; Chromatography, High Pressure Liquid; Corpus Striatum; Cysteinyldopa; Dihydroxyphenylalanine; Dithiothreitol; Dopamine; Female; Guinea Pigs; Hydrogen-Ion Concentration; Limbic System; Mesencephalon | 1995 |
The effects of glutathione and ascorbic acid on the oxidations of 6-hydroxydopa and 6-hydroxydopamine.
Topics: Antioxidants; Ascorbic Acid; Dihydroxyphenylalanine; Glutathione; Models, Chemical; Oxidation-Reduction; Oxidopamine | 1994 |
Iron-mediated oxidation of 3,4-dihydroxyphenylalanine to an excitotoxin.
Topics: 6-Cyano-7-nitroquinoxaline-2,3-dione; Animals; Ascorbic Acid; Cells, Cultured; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Electrophysiology; Hydrogen Peroxide; Iron; Neurons; Neurotoxins; Oxidation-Reduction; Rats | 1995 |
Effect of L-ascorbic acid on the monophenolase activity of tyrosinase.
Topics: Ascorbic Acid; Dihydroxyphenylalanine; Hydroxylation; Indolequinones; Indoles; Models, Chemical; Monophenol Monooxygenase; Oxygen Consumption; Polarography; Quinones; Substrate Specificity; Tyrosine | 1993 |
Ascorbic acid stimulates DOPA synthesis and tyrosine hydroxylase gene expression in the human neuroblastoma cell line SK-N-SH.
Topics: Ascorbic Acid; Catecholamines; Chromatography, High Pressure Liquid; Dihydroxyphenylalanine; Dopamine beta-Hydroxylase; Gene Expression Regulation, Neoplastic; Humans; Neuroblastoma; Polymerase Chain Reaction; RNA, Messenger; Time Factors; Tumor Cells, Cultured; Tyrosine 3-Monooxygenase | 1998 |
Dopamine beta-hydroxylase inactivation generates a protein-bound quinone derivative.
Topics: Animals; Ascorbic Acid; Cattle; Dihydroxyphenylalanine; Dopamine beta-Hydroxylase; Electrophoresis, Polyacrylamide Gel; Hydrogen Peroxide; Oxygen; Spectrophotometry, Ultraviolet; Tyramine; Ultraviolet Rays | 2001 |
Optically active polyelectrolyte multilayers as membranes for chiral separations.
Topics: Ascorbic Acid; Dihydroxyphenylalanine; Electrolytes; Membranes, Artificial; Peptides; Polymers; Stereoisomerism; Viologens | 2003 |
DARK PIGMENT FORMATION IN VERTICILLIUM ALBO-ATRUM.
Topics: Ascorbic Acid; Catechols; Dihydroxyphenylalanine; Glass Ionomer Cements; Melanins; Metabolism; Pharmacology; Pigmentation; Research; Thiourea; Tyrosine; Tyrosine Decarboxylase; Verticillium | 1964 |
STUDIES ON SILKWORM TYROSINASE.
Topics: Animals; Ascorbic Acid; Bombyx; Catechols; Chlorogenic Acid; Colorimetry; Copper; Cresols; Cysteine; Dihydroxyphenylalanine; Electron Spin Resonance Spectroscopy; Ferrocyanides; Hydroquinones; Manometry; Monophenol Monooxygenase; Oxidoreductases; Phenols; Research; Spectrum Analysis | 1964 |
ENZYMIC OXIDATION OF EPINEPHRINE TO ADRENOCHROME BY THE SALIVARY GLAND.
Topics: Adrenochrome; Ascorbic Acid; Catechols; Cats; Chlorpromazine; Cyanides; Cytochromes; Dihydroxyphenylalanine; Epinephrine; Glutathione; Hydrazines; Metabolism; Monoamine Oxidase; Monoamine Oxidase Inhibitors; Oxidation-Reduction; Parotid Gland; Pharmacology; Phenylhydrazines; Research; Salivary Glands; Sulfhydryl Compounds; Sympathomimetics; Tritium; Tyrosine | 1964 |
THE RELATION BETWEEN MELANIN FORMATION AND ASCORBIC ACID.
Topics: Ascorbic Acid; Biochemical Phenomena; Biochemistry; Dihydroxyphenylalanine; Glutathione; Melanins; Oxidation-Reduction; Rabbits; Research; Secondary Metabolism; Skin; Thiamine; Thioctic Acid; Tyrosine; Tyrosine Decarboxylase; Urine | 1964 |
SPECIFICITY AND MODE OF ACTION OF PHENOLOXIDASE FROM LARVAE OF TENEBRIO MOLITOR.
Topics: Animals; Ascorbic Acid; Catechols; Chemical Phenomena; Chemistry; Coleoptera; Cresols; Dihydroxyphenylalanine; Enzyme Inhibitors; Kinetics; Larva; Monophenol Monooxygenase; Oxidoreductases; Phenols; Phenylacetates; Propionates; Research; Tenebrio; Tyramine; Tyrosine | 1964 |
Lightening effect on ultraviolet-induced pigmentation of guinea pig skin by oral administration of a proanthocyanidin-rich extract from grape seeds.
Topics: Administration, Oral; Animals; Antioxidants; Ascorbic Acid; Deoxyadenosines; Dihydroxyphenylalanine; Guinea Pigs; Ki-67 Antigen; Melanocytes; Melanoma; Mice; Monophenol Monooxygenase; Proanthocyanidins; Proliferating Cell Nuclear Antigen; Reactive Oxygen Species; Skin; Skin Pigmentation; Tumor Cells, Cultured; Ultraviolet Rays; Vitis | 2003 |
Oxygenase activity in the self-hydroxylation of (s)-2-hydroxypropylphosphonic acid epoxidase involved in fosfomycin biosynthesis.
Topics: Amino Acid Sequence; Ascorbic Acid; Dihydroxyphenylalanine; Fosfomycin; Hydroxylation; Molecular Sequence Data; Mutagenesis, Site-Directed; Oxidoreductases; Oxygen; Protein Processing, Post-Translational; Pseudomonas syringae; Spectrum Analysis, Raman; Streptomyces | 2004 |
Inhibitory effect of an ellagic acid-rich pomegranate extract on tyrosinase activity and ultraviolet-induced pigmentation.
Topics: Agaricales; Animals; Ascorbic Acid; Cell Size; Dihydroxyphenylalanine; Ellagic Acid; Enzyme Inhibitors; Guinea Pigs; Lythraceae; Melanocytes; Monophenol Monooxygenase; Plant Extracts; Skin Pigmentation; Ultraviolet Rays; Vitamins | 2005 |
Formation of dihydroxyphenylalanine from tyrosine by coupled oxidation with ascorbic acid.
Topics: Alanine; Ascorbic Acid; Dihydroxyphenylalanine; Oxidation-Reduction; Tyrosine | 1949 |
Dihydroxyphenylalanine metabolism in the presence of kidney and liver slices of normal and scorbutic guinea pigs.
Topics: Alanine; Animals; Ascorbic Acid; Carbohydrate Metabolism; Dihydroxyphenylalanine; Guinea Pigs; Kidney; Liver; Metabolism; Scurvy | 1947 |
A novel fluorescence biosensor for sensitivity detection of tyrosinase and acid phosphatase based on nitrogen-doped graphene quantum dots.
Topics: Acid Phosphatase; Ascorbic Acid; Benzoquinones; Biosensing Techniques; Dihydroxyphenylalanine; Fluorescence; Graphite; Humans; Limit of Detection; Monophenol Monooxygenase; Nitrogen; Quantum Dots; Sensitivity and Specificity | 2018 |