酶催作用 的英文怎麼說
中文拼音 [cuīzuòyòng]
酶催作用
英文
enzymatic action-
Study on inhibition of metal ions to amylase catalyzed reaction
金屬離子對澱粉酶催化抑制作用的研究Thermokinetics of activation of metal ions to amylase catalyzed reaction
鎂離子對澱粉酶催化激活作用的熱動力學Through expert s analysis, aloe contains rich natural protein, vitamin, chlorophyl and the neccessary microelements. it has effects of laxative, stomach care, detoxifcation, detumescence, acesodyne and diminish inflammation. so aloe is usually used to treat astriction, cold, cough, headach, car sickness, bronchia, gastric ulcer, liver disease, hypertension, diabetes, eczema, fleck, chilblain, scald, cancer, etc
經科學分析,它含有大量天然蛋白質、維生素、葉綠素、洛性酶和人體必需的微量元素及蘆蔡大黃素等七十多種成份,具有催瀉、健胃、通經、解毒、消腫止痛、清熱抗炎等作用,對便秘、感冒、頭痛、咳嗽、暈車、支氣管、胃瘍病、小兒厭食癥、肝病、出血癥、高血壓、糖尿病、濕疹、雀斑、凍瘡、燙傷、刀傷、癌癥等數十種疾病有療效。Such as when the substrates was benzidine and a - naphthol, the absortion peak was 450nm after catalyticed by dna, and 501nm after catalyticed by pod, if changing substrate to benzidine and pyrocatechol, the absortion peak was 503nm after catalyticed by dna and 603nm after catalyticed by pod. the second difference was the different result after hplc : the result of hplc ( substrates : benzidine and a - naphthol ) showed that the products under the affect of dna and pod had different value on the peak and the area
然後對以聯苯胺與-萘酚為底物,以h _ 2o _ 2為氧化劑,進行高效液相色譜分析,分析結果表明dna與過氧化物酶作用后的產物在峰面積和峰高上有不同數值;同時,不同形式的dna對該反應都有催化活性,表明只要是生物來源的dna (非特異性dna )都具有一定程度的催化活性。The complex formed by cnbr - activated alginate and antibody is aggregated to the surface of the paraffin - graphite - chitosan electrode by electrostatic adsorption ( coacervation ). the concentration of sjag can be detected by determining the redox current of o - aminophenol, which oxidized by h2o2 in the presence of hrp. moreover, the immunosensor shows some improved performances including high sensitivity, selectivity and less non - specific adsorption
褐藻酸鈉?抗體復合物通過靜電吸附作用被凝集到含石墨?石蠟?殼聚糖組分的電極表面,然後與抗原和酶標抗原進行競爭反應,以鄰氨基酚為電子媒介,通過測定酶催化下雙氧水對其氧化的電流大小來間接測定抗原的濃度。This decarboxylation is catalysed by the enzyme glutamic acid decarboxylase.
這個脫羧作用是由谷氨酸脫羧酶催化的。Phytosterol and phytostanol have been converted to the corresponding fatty acid esters via lipase - catalysed esterification with fatty acid or transesterification with mythyl esters of fatty acid or triacylglycerols
摘要植物甾醇和植物甾烷醇在脂肪酶催化作用下同脂肪酸酯化或同脂肪酸甲酯或三酰甘油酯交換可形成植物甾醇酯和植物甾烷醇酯。The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm
試驗結果表明,成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o ( x = 1 . 86 )的x射線衍射圖譜一樣,濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用,試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與,亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外,還通過鐵離子的變價傳遞電子,催化錳離子的氧化反應,從而促進對二價錳的降解。Such examples are given as the blood filtering principal of hemoglobin, catalysis of enzymes, immune recoglization, prion, glycoprotein and the relationship of structure and function of membrane protein, et al, as well as the applications to medicine
在簡要介紹結構生物學的研究方法的基礎上,主要從分子水平闡述蛋白質和核酸的結構原理、相互作用、結構與功能的關系,通過具體實例闡述血紅蛋白的輸氧機制、酶的催化機制、免疫分子識別、朊病毒、糖蛋白、生物膜的結構功能關系等,以及結構生物學在醫學上的應用。Considering lipases to catalyse at the lipid - water interfaces, the detection of lipases activity is different from other hydrolytic enzymes
摘要脂肪酶催化作用發生在油水界面上,是一種典型的界面酶,因此其活力測定有別于其他的水相酶。Beyond generating customized catalysts, these studies have helped to elucidate the enzyme ' s structure - function relationship and illuminate its enantioselectivity
這些工程不但生產出了指定的催化劑,還有助於闡明酶的結構作用關系,並且有助於說明這些酶的對應異構體選擇性。Ppsa and tkta are the key genes in central metabolism of aromatic amino acids biosynthesis. ppsa encoding phosphoenolpyrucate synthetase a ( ppsa ) which catalyzes pyruvate into pep ; tkta encoding transketolase a which plays a major role in erythrose - 4 - phosphate ( e4p ) production of pentose pathway
Ppsa基因編碼磷酸烯醇式丙酮酸合成酶a ( ppsa ) ,該酶催化丙酮酸合成磷酸烯醇式丙酮酸; tkta基因編碼轉酮酶a ,該酶在磷酸戊糖途徑中生成4 -磷酸赤蘚糖起主要作用。The development of research on synthesis of butyl butyrate and the catalysis of sulfonic acid, inorganic salt, solid superacid, heteropoly acid, enzyme catalysis compound are summarized
摘要綜述了磺酸、無機鹽、固體超強酸、雜多酸、酶催化體系等對合成丁酸丁酯的催化作用及研究進展。The preparation of functionalized mesoporous molecular sieves were introduced, which are including the formation of the acid active sites, redox active sites and used the support for immsobilizing enzyme catalysts by heteroatomic substitution ; the formation of polymerization active sites, acid active sites or chiral catalysis sites by the organic - inorganic graft ( or hybridization ) ; as the carriers, the transition metals, transition metal oxides and acid catalysts are supported
摘要介紹了介孔分子篩經雜原子取代,引入酸功能、氧化還原功能;經有機無機嫁接(雜合) ,引入聚合催化功能、酸催化功能、手性催化功能;經修飾的介孔分子篩,用作固定化酶催化劑的載體;作為催化劑的載體,用於負載過渡金屬及其氧化物和制備負載化的固體酸催化劑。Reverse malignant phenotypes of colonic carcinoma cells transfected with antisense gene to htrt
反義人端粒酶催化亞單位基因轉染對人結腸癌細胞惡性表型的逆轉作用Hydroperoxides were produced from unsaturated fatty acid in oils catalyzed by lipoxygenase, then in the hydroperoxide lyase, the grassy green and leafy green aroma volatile aldehydes were made
摘要脂肪氧合酶催化油脂中的不飽和脂肪酸生成氫過氧化物,氫過氧化物再在裂解酶的作用下,生成具有青草香、青葉香香氣特徵的揮發性醛類物質。Using o - aminophenol as a substrate, hrp as label, a competitive immunoassay is used to determine the concentration of the analyte. we also reported the cyclic voltammetric behavior of 1 - o - allyl - 4 - hdroxy - anthraquinone ( oahaq ) and the preparation and electrochemical characteristics of electrode modified by 2 - pyridinamine
以辣根過氧化酶作為標記物,鄰-氨基酚作為酶催化反應的底物,採用一個競爭性免疫分析來確定待測抗原(或抗體)的濃度。It underlies the action of hormones, the control of dna transcription, the recognition of antigens - antibody in the immune system, the catalysis of chemical reactions by enzymes and the actions of many drugs
例如dna的轉錄,激素的作用機制,免疫系統中的抗原?抗體識別,化學中的酶催化反應,以及很多藥物發揮藥效的機制都與之密切相關。It was found that the composite film containing 28. 6 % polyisoprene suited well for biosensor construction. the apparent michaelis constanst and activation energy for the immobilized glucose oxidase are 11. 9 mm and 41. 1 kj - mol " 1, respectively. the biosensor response was influenced by ph value of determined solution, applied potential and operational temperature
研究發現,復合膜中聚異戊二烯含量28 . 6為傳感器製作的最佳條件;固定化葡萄糖氧化酶的表觀米氏常數為11 . 9mm ,酶催化反應的表觀活化能為41 . 1kj ? mol ~ ( - 1 ) ;被測溶液的ph值、工作電位、使用溫度等對葡萄糖傳感器的響應有一定的影響。In bioconversion of a d - amino acid and its derivative, the substrate, 5 ' - monosubstituted hydantoin is firstly transferred into an intermediate, d - carbamyl amino acid by d - hydantoinase, and in turn into an optically active d - amino acid by either d - carbamoylase or chemical, nano2. nowadays, the bioconversion of d - amino acids has been industrialized by enzymes, so called one - step process
D -型氨基酸及其衍生物的生物轉化,經歷兩個反應歷程,首先是在海因酶的作用下,催化5 -單替代海因形成氨甲酰類氨基酸中間物,後者再在酶或化學的作用下,生成相應的光學活性氨基酸或其衍生物。分享友人