234 results about "Adenosine diphosphate" patented technology

The invention discloses a method for regenerating ATP by enzymatic method, which comprises the following steps: (1) preparing and obtaining ATP regenerating enzyme; (2) regenerating ATP in reaction liquid; (3) separating products and ATP regenerating enzyme. According to the method for regenerating ATP of the present invention, it has the following beneficial effects: (1) adopt three kinds of ATP regenerating enzymes of novel Ppk, Adk and Pap, the ATP consumed in the enzymatic reaction can be recycled and regenerated, greatly reducing the amount of ATP used, regenerated The process is simple and efficient, the reaction is easy to control, and the stability is high. (2) The substrate polyphosphoric acid or its salt to be added to the reaction is cheap and less polluting. (3) The enzymatic reaction does not need to add expensive ATP to start the reaction, add ADP or cheap AMP. (4) ATP regenerating enzyme recovery system was established, which is suitable for large-scale industrial production.

The present invention provides compounds having the formula: wherein A is a nitrogen-, oxygen-, or sulfur-linked aryl, alkyl, cyclic, or heterocyclic group, the group being further substituted with an electron contributing moiety; B is hydrogen, or a halogen, amino, or thiol group; C is hydrogen, or a halogen, amino, or thiol group; and D is a primary alcohol, a hydrogen, or an oxygen, nitrogen, carbon, or sulfur linked to phosphate, a phosphoryl group, a pyrophosphoryl group, or adenosine monophosphate through a phosphodiester or carbon-, nitrogen-, or sulfur-substituted phosphodiester bridge, or to adenosine diphosphate through a phosphodiester or carbon-, nitrogen-, or sulfur-substituted pyrophosphodiester bridge. The present invention also provides pharmaceutical compositions containing the above compounds, methods of using the above compounds as pharmaceuticals, and processes for preparing the above compounds. Also provided are methods for inhibiting an ADP-ribosyl transferase, ADP-ribosyl cyclase, ADP-ribosyl hydrolase, or NAD-dependent deacetylase enzyme, and methods for treating a disease or condition associated with an ADP-ribosyl transferase, ADP-ribosyl cyclase, ADP-ribosyl hydrolase, or NAD-dependent deacetylase enzyme in a subject in need of treatment thereof.

The invention discloses a creatine jubase MB isozyme activity detection reagent which comprises sulfide-oxidizing coenzyme, 6-phosphaogluconate dehydrogenase, sulfhydryl reagent, magnesium salt, glucokinase or hexoxinase, anti-CK-M antibody, phosphocreatine, adenosine diphosphate, glucose and glucose-6-phosphate dehydrogenase. The preparation method of the reagent is as follows: dissolving all components in a buffer solution with pH of 5.0 to 9.5. The creatine jubase MB isozyme activity detection reagent can enlarge detection sensitivity several times; and the determination result has high precision and degree of accuracy.

The invention relates to a pyrimidoimidazole derivative, a preparation method and medical use thereof, and particularly relates to a new pyrimidoimidazole derivative as shown in a general formula (I) or formula (II), a preparation method thereof, a pharmaceutical composition containing the new pyrimidoimidazole derivative, and use thereof as a therapeutic agent in particular as a poly (ADP(adenosine diphosphate)-ribose) polymerase (PARP) inhibitor.

The invention relates to a method for synthesis of glutathione in vitro, comprising the step of: generating ATP (adenosine triphosphate) from ADP (adenosine diphosphate) and polyphosphoric acid compound under the catalysis of polyphosphate kinase; under the catalysis of gamma-glutamylcysteine synthetase and glutathione synthetase, synthesizing glutathione in vitro by glutamic acid, cysteine and glycine with the energy provided by the ATP. Compared with the prior art, the method of the invention can bring enzymes into complete contact with a substrate so as to improve the mass transfer efficiency and the utilization rate of enzymes. And the reaction system of the method is simple and strong in controllability. In addition, the method can solve the problem of great investment of ATP during production and reduce the production cost.

Compounds of the following formula (I):

where a, b, R¹, R², R³, R⁴ and R⁶ are described herein, are useful as inhibitors of platelet adenosine diphosphate. Pharmaceutical compositions containing these compounds, methods of using these compounds as antithrombotic agents and processes for synthesizing these compounds are also described herein.

A medical prosthetic device or medical implant containing a metal material (A) selected from the group consisting of titanium or an alloy thereof, zirconium or an alloy thereof, tantalum or an alloy thereof, hafnium or an alloy thereof, niobium or an alloy thereof and a chromium-vanadium alloy, wherein surface parts of the metal material (A) are coated with a layer of a corresponding hydride material (B) selected from titanium hydride, zirconium hydride, tantalum hydride, hafnium hydride, niobium hydride and chromium and/or vanadium hydride, respectively, said device or implant being characterised in that the layer of hydride material (B) comprises one or more biomolecule substances (C) associated therewith. The device or implant exhibits improved biocompatibility. The metal material (A) is preferably titanium. The biomolecule substance (C) may be selected from the following types of substances: Natural or recombinant bio-adhesives; natural or recombinant cell attachment factors; natural, recombinant or synthetic biopolymers; natural or recombinant blood proteins; natural or recombinant enzymes; natural or recombinant extracellular matrix proteins; natural or synthetic extracellular matrix biomolecules; natural or recombinant growth factors and hormones; natural, recombinant or synthetic peptide hormones; natural, recombinant or synthetic deoxyribonucleic acids; natural, recombinant or synthetic ribonucleic acids; natural or recombinant receptors; enzyme inhibitors; drugs; biologically active anions and cations; vitamins; adenosine monophosphate (AMP), adenosine diphosphate (ADP) or adenosine triphosphate (A TP); marker biomolecules; amino acids; fatty acids; nucleotides (RNA and DNA bases); and sugars.

The invention relates to a freshness detecting method used for royal jelly. In the specific detecting method, the contents of adenosine triphosphate (ATP), adenosine diphosphate (ADP), single phosphoric acid adenosine (AMP), inosinic acid (IMP), hypoxanthine riboside (HxR), hypoxanthine (Hx), adenine and adenosine of the royal jelly are quantitatively determined through methods of liquid chromatography or ultraviolet spectrometry, and the like; the ratio (F value) between the accumulation amount of adenine, adenosine, HxR and Hx and the sum of the qualities of the eight substances (degradation products of ATP and nucleic acid)is calculated; the F value of the royal jelly is used for detecting the freshness of the royal jelly and judging the quality of the royal jelly. Compared with a present royal jelly quality detecting method, the freshness detecting method can judge the quality and the freshness of the royal jelly more accurately and sensitively, can improve the quality standard of the present royal jelly and effectively monitor the quality of the royal jelly.

Compositions comprising the nucleotides adenosine diphosphate and adenosine monophosphate, and their use for neutralizing effects of excess incident energy on the human body, particularly effects of ionizing radiation from nuclear or radiological energy sources, are disclosed and claimed.

The invention provides a deplating method for a magnetic control sputtering graphite carbon film. According to the deplating method, 1 L of distilled water is taken, 10-200 g of sodium hydroxide and 5-50 g of sodium carbonate are added to be stirred evenly, 5-20 g of surfactant dodecyl alcohol amine is added to the obtained solution to be evenly stirred, and 3-15 g of antiseptic complexing agent trimerization ammonium phosphate and 1-4 g of corrosion inhibitor adenosine diphosphate are added into the mixture; a formed substrate of the magnetic control sputtering graphite carbon film is soaked in deplating liquid at the temperature of 50 DEG C to 90 DEG C, the deplating liquid serves as electrolyte, electrolysis is conducted at the direct-current voltage of 3.5 V to 12 V, the electrolysis time ranges from 5 minutes to 30 minutes, the magnetron sputtering graphite carbon film is removed, the deplated substrate is washed and dried, and the deplating process is completed. The method is efficient and good in stability and has higher practical value.

The invention relates to a polypeptide used for prevention and treatment of acute coronary syndrome and anticoagulation antithrombotic therapy and application thereof. A sequence of the polypeptide disclosed by the invention is P1 Pro-Ser-Hyp-Gly-Asp-TrpP2 Pro-Ser-Hyp-Gly-Asp-Trp-ArgP3 Pro-Ser-Lys-Gly-Asp-TrpP4 Pro-Ser-Val-Gly-Asp-TrpP5 Pro-Ser-Nva-Gly-Asp-Trp-ArgP6 Pro-Ser-Pro-Gly-Asp-TrpP7 Pro-Ser-Thz-Gly-Asp-Trp, the polypeptide is independently used or combined with aspirin, clopidogrel or heparin, is used for inhibiting platelet aggregation and thrombosis and is taken as an effective ingredient for preparing a medicine used for prevention and treatment of acute coronary syndrome, unstable angina and acute myocardial infarction and intervention therapy of anticoagulation antithrombotic therapy. The polypeptide provided by the invention can be combined with a human blood platelet GPIIb-IIIa receptor, and has the capabilities of blocking blood platelet aggregation induced by adenosine diphosphate, arachidonic acid and thrombin and effectively inhibiting coronary thrombosis and femoral thrombosis.

The invention discloses a fluorescent probe for selectively identifying ATP (adenosine triphosphate) based on an aggregation-induced fluorescence enhancement characteristic, a synthetic method and an application thereof. The fluorescent probe 1 is synthesized by taking a benzophenone derivative as a starting material. The invention carries out a detection research on ATP, ADP (adenosine diphosphate), AMP (adenosine monophosphate) and pyrophosphoric acid (PPi) with the fluorescent probe 1, and discoveries that the fluorescent probe has very good sensitivity and selectivity to ATP; compared with the prior art, the invention has the advantages that the synthetic raw material is easy to obtain, the fluorescent probe has high fluorescence quantum yield and strong photobleaching resistance, and the like, and avoids the defect that a conventional fluorescent dye is not suitable for detection under a high concentration; in addition, the fluorescent probe 1 is successfully used for monitoring a reaction process of ATP hydrolase Apyrase in a solution, and is also used for imaging research of ATP in cells. Therefore, the fluorescent probe 1 has a great application prospect in the aspect of detecting the content of in vivo ATP.

The invention discloses a high-concentration glucose removal method for determining serum 1,5 anhydro-D-glucitol based on a pyranose oxidase method, which comprises the following steps: preparing a 2-morpholinoethanesulfonic acid (MES) buffer solution having a pH value of 6.0-9.0, wherein the MES buffer solution contains a certain amount of glucokinase (GK), glucose-6-phosphate dehydrogenase (G6PD), nicotinamide adenine dinucleotide phosphate (NADP), pyruvate kinase (PK), phosphoenolpyruvate (PEP) and adenosine triphosphate (ATP); and adding into a serum sample containing glucose (Glu), and reacting at 20-50 DEG C for 3-5 minutes, wherein the GK converts the Glu into glucose-6-phosphoric acid (G6P) in the presence of the ATP, and adenosine diphosphate (ADP) is generated at the same time; the G6P is further converted into glucose-6-phosphate lactone (G6PL) by the G6PD in the presence of the NADP+; and the ADP generated in the reaction is converted into ATP again under the action of thePK in the presence of the PEP. The glucose removal agent prepared by the method can be stably stored at 2-8 DEG C for 14 months, and can be used for a clinical biochemical autoanalyzer extensively used at present.

A Chinese medicine for treating ischemic cardiovascular and cerebrovascular diseases is prepared from 3 Chinese-medicinal materials ginseng, red sage root and corydalis tuber through extracting, separating by adsorptive resin, eluting and concentrating. Its advantages are high curative effect and low cost.

A hepatitis B surface antigen is produced with beer yeast engineering bacteria. The process is carried out by: 1) fermenting seeds of the beer yeast engineering bacteria, 2) fermenting by the said seeds, and 3) separating and purifying fermented mixture to obtain hepatitis B surface antigen, specially, flow adding adenine, adenosine, adenosine monophosphate, adenosine diphosphate or adenosine triphosphate at the rate of 14mg/L.h by weight into its culture medium in the said step 2. It achieves in higher expression level of recombined HBsAg.

The invention belongs to the technical field of analytical chemistry and relates to a detection method and application of PARP [poly(adenosine diphosphate-ribose) polymerase]. The detection method mainly includes: modifying a single-stranded DNA (c-kit-1) capable of specifically binding with the PARP on the surface of a gold electrode in a classical mercapto self-assembly mode and enabling c-kit-1 to form a tetramer configuration through treatment; after the tetramer configuration is incubated with the PARP, adding a specific catalytic substrate, namely NAD (nicotinamide ademinedinucleotide) of the PARP, to enable the PARP to self-catalyze to produce PAR with high negative charges; using the negative charges of the PAR for adsorbing electrical signal molecules RuHex with positive charges, quantifying the RuHex adsorbed on the surface of the electrode through an electroanalysis method, and drawing a standard curve according to a relation between electrochemical signals and PARP concentration so as to achieve sensitive PARP detection by measuring the electrochemical signals of to-be-detected samples and calculating. The detection method is high in repeatability and sensitivity and can be applied to detection of the PARP and an inhibitor 3-AB (3-aminobenzamide) thereof.

The invention relates to a method to measure potassium ion content by enzyme method and potassium ion diagnosing kit. The adenosine diphosphate and phosphoric acid enol pyruvic acid take reaction to form into pyruvic acid by utilizing the characteristic of potassium ion activate pyruvate kinase, and pyruvic acid would take reaction with lactate dehydrogenase to form into lactic acid, and at the same time the reduced coenzyme would oxygenated into oxygenated type coenzyme, by measuring the rate of decent of dominant wavelength at 340nm absorbance to quantitative response the content of potassium ion in sample. The invention has high specificity, and has no impact from the sodion in the sample.