- 更多网络例句与嘌呤碱基相关的网络例句 [注：此内容来源于网络，仅供参考]
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To determine whether N6amt1 methylates adenine residues in DNA, we examined its activity by in vitro assay.
为了检测N6amt1是否能够甲基化DNA中的腺嘌呤碱基，我们运用体外酶活检测系统对它的活性进行了测定。
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The modified electrode showed an attractive electrocatalytic ability and could enhance the current response of electro-active molecules by employing potassium ferricyanide, as...
在最佳条件下，应用微分脉冲伏安法检测，鸟嘌呤碱基的氧化峰电流与ssDNA的浓度在40μg·L-1-5.0mg·L-1范围内呈现良好的线性关系，检测限为5μg·L-1(S/N=3，信噪比)。
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Two different lines of evidence support the view that a base pair is composed of one purine and one pyrimidine.
有两方面的证据支持在DNA分子的螺旋构型中，每一个碱基对中都含有一个嘌呤碱基和一个嘧啶碱基
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What evidence do we have that in the helical form of the DNA molecule the base pairs are composed of one purine and one pyrimidine?
我们有什么证据表明在 DNA 分子的螺旋构型中，在每一个碱基对中都含有一个嘌呤碱基和一个嘧啶碱基？
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The stability energy of the whole complex, and the interaction energy between two purine bases and the [Pt-(NH3)thiazole]2＋ group were adopted to study the interplay among subsystems and their contribution to relative stability of all the studied cross-link model.
本文采用化合物整体稳定化能，两个嘌呤碱基与[Pt-(NH3)thiazole]2+部分的相互作用能来研究不同部分间的相互作用及其对加合物的相对稳定性的影响。
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The reaction mechanism for the formation of ultimate carcinogens diazohydroxide, diazonium and oxoniumions by α-hydroxylation-NPYR and the alkylation process of C and guanine were investigated including solvent effects at the B3LYP/6-31G(superscript **) level.
采用密度泛函理论，在B3LYP/6-31G水平上，研究了气相和水溶剂中，α-羟基化吡咯烷亚硝胺(-αhydroxylation-NPYR， A)代谢为终致癌物重氮氢氧化物、重氮烷阳离子和氧离子，以及C与鸟嘌呤碱基相互作用的反应机理。
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The famciclovir was synthesized from purine by a series of steps by Acylation, Decarboxylation, Reduction ,and so on; Derivatives of these intermediates is described from the 6-chloro- 9H- purin-2-amine as raw materials in different conditions when the iodine and bromide were synthesized with the addition of two intermediate 6-bromo-9H-purin-2-amine and 6-iodo-9H-purin-2-amine; There is elaborated from the main part of a acetophenone, urineaminohydrochloride, phenylhydrazine, ethyl acetoacetate as raw material through a series of reactions to synthetic 3-phenyl-4-formylphenyl pyrazole and 5-chloro-3-methyl-1-phenyl-1H-pyrazole-4-aldehyde two pyrazole aldehyde, and then with 2-amino-6-chlorine-9-(2-methicillin-oxo-co-methyl-4-yl) purine reaction of the two new pyrazole purine Schiff bases.
本论文主是采用以鸟嘌呤为原料，经过一系列的酰基化，脱羧，还原等反应作用下最终得到了产物2-氨基-9-(4-乙酰氧基-3-乙酰氧基甲基丁基)嘌呤；其中的中间体衍生物主要是阐述从以2-氨基-6-氯鸟嘌呤为原料通过在不同的条件下进行溴代与碘代分别合成了另外两种中间体2-氨基-6-溴鸟嘌呤及2-氨基-6-碘鸟嘌呤；还有一部分主要是阐述从以苯乙酮，盐酸氨基脲，苯肼，乙酰乙酸乙酯为原料通过一系列的反应先合成3-苯基-4-醛基吡唑及5-氯-3-甲基-1-苯基-1H-吡唑-4-甲醛这两个吡唑醛，然后再与2-氨基-6-氯-9-(2-甲氧羰基丁酸甲酯-4-基)嘌呤反应得到了两个新型的吡唑嘌呤席夫碱
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On the discussion about mechanism of mutation of methylating, we explored thermodynamics and dynamic properties on base pairs, investigating the proton transfer on base pairs.
从甲基化对嘌呤碱基电荷的影响，到甲基化引起碱基配对的改变造成碱基配对的诱变等都作了较为详细的探讨；在对甲基化诱变的探讨中，我们进行了热力学和动力学方面的研究，同时对碱基之间的质子迁移的难易程度也作了探讨；并在充分考虑水分子存在的情况下研究了甲基化对碱基之间的氢键作用和堆积作用的影响。
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Electron transfer reaction between the radical cations of purine nucleotides and some aromatic amino acids was studied by use of pulse radiolytic techniques. Time-resolved spectroscopic evidence revealed that the one-electron-oxidized radicals of dAMP and dGMP can be efficiently repaired by tyrosine and tryptophan.
鉴于在DNA光敏损伤过程中主要生成嘌呤碱基阳离子自由基，利用脉冲辐解技术研究了嘌呤碱基阳离子自由基与部分芳香氨基酸的相互作用，获得了酪氨酸和色氨酸对单电子氧化的dAMP和dGMP经快速电子转移修复的瞬态吸收光谱证据。
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The removal of a purine base from the DNA backbone.
从DNA骨架上去除嘌呤碱基的过程。
- 更多网络解释与嘌呤碱基相关的网络解释 [注：此内容来源于网络，仅供参考]
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acyl group：酰基
......等非碳原子)时,属杂环化合物.简单的咯,啶,,是芳香性杂环,它们往往是药物的结构单元.组成核酸的嘧啶与嘌呤碱基,也是杂环系统(注十).由羰酸与胺(包括氨)相加并脱水,即可得醯胺(amides).醯基(acyl group)是 R-CO,是烷基与羰基的组合,
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adenine：腺嘌呤
请看分析:各种蚯蚓含蚯蚓解热碱(Lumbrofebrihd)蚯蚓素(Lumbritin)蚯蚓毒素(Terrestrolumbrolysin)广地龙含基嘌呤(Hypoxanthino)等,蚯蚓又含 含氮物质丙氨酸、亮氨酸、苯丙氨酸、酪氨酸等氨基酸 以及黄嘌呤、(xanthine) 腺嘌呤(Adenine)乌嘌呤(Guani
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base pairing：碱基配对
一股链中的嘌呤碱基与另一股链中位于同一平面的嘧啶碱基之间以氢链相连,称为碱基互补配对或碱基配对(base pairing),碱基对层间的距离为0.34nm. 碱基互补配对总是出现于腺嘌呤与胸腺嘧啶之间(a=t),形成两个氢键;或者出现于鸟嘌呤与胞嘧啶之间(g=c),
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purine base：嘌呤碱
核酸中存在的碱基分嘧啶碱(pyrimidine base)和嘌呤碱(purine base)两类. 它们分别为母体化合物嘧啶和嘌呤的衍生物. 常见的有胞嘧啶(cytosine,C)又称2-氧-4-氨基嘧啶;胸腺嘧啶(thymine,T)又称5-甲基-2,4-二氧嘧啶;尿嘧啶(uracil,U)称2,
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purine base：嘌呤碱基
从非嘌呤基的前体,经过一系列步骤合成次黄嘌呤核苷酸(IMP),而后转换腺嘌呤核苷酸(AMP)或鸟嘌呤核苷酸(GMP );二是补救途径(salvage pathway),直接从肝脏中来的嘌呤碱基 (purine base)合成嘌呤核苷酸(nucleotide),
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pyrimidine base：嘧啶碱
核酸中存在的碱基分嘧啶碱(pyrimidine base)和嘌呤碱(purine base)两类. 它们分别为母体化合物嘧啶和嘌呤的衍生物. 常见的有胞嘧啶(cytosine,C)又称2-氧-4-氨基嘧啶;胸腺嘧啶(thymine,T)又称5-甲基-2,4-二氧嘧啶;尿嘧啶(uracil,U)称2,
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xanthine oxidase：黄嘌呤氧化酶
(2)尿酸的生成和清除机制:可与血浆中尿酸钠沟通的全身总尿酸库,是由尿酸生成和处置速率决定的,痛风病时扩大(表3A B),黄嘌呤氧化酶(xanthine oxidase)作用于底物嘌呤碱基次黄嘌呤(hypoxanthine)和黄嘌呤(xanthine),产生尿酸,
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DNA purine base contentDNA：嘌呤碱基含量
bilineurine胆碱 | DNA purine base contentDNA嘌呤碱基含量 | hypotaurine亚牛磺酸,氨乙基亚磺酸
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VAMP vincristine,amethopterin,mercaptopurine and prednisone：长春新碱-氨甲蝶呤-巯基嘌呤-强的松(联合疗法)
UVJ ureterovesical junction 输尿管膀胱连接部 | VAMP vincristine,amethopterin,mercaptopurine and prednisone 长春新碱-氨甲蝶呤-巯基嘌呤-强的松(联合疗法) | VD venereal disease 性病,花柳病
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Purines：嘌呤
核苷又由碱基与五碳醣组成:其中碱基又分嘌呤(purines)与嘧啶(pyrimidines)两类,由五元环及六元环组成的碱基称为嘌呤,由六元环组成的碱基称为嘧啶,出现在DNA之碱基有四种: