acetylation是什么意思   acetylation怎么读

acetylation单词基本解析：

acetylation变化用词：

acetylation英英释义：

1. the process of introducing an acetyl group into a compound;

"the acetylation of cyclooxygenase-2 by aspirin"

名词 acetylation:

the process of introducing an acetyl group into a compound

acetylation中文词源：

acetylation用法和例句：

The chromatin remodeling and histone acetylation were associated with transcription activation.

真核基因活化与染色质的重建及组蛋白的乙酰化相关.

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In the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.

在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂.

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When additionvolume of starch was 0.5~1.0 % , cross - linked and GCWS acetylation of starch showed very goodeffects.

实验得出其适宜添加量为0.5～1.0%,应用效果较好.

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The level of his - tone acetylation is determined by the activities of histone acetyltransferases and histone deacetylases.

组蛋白乙酰转移酶和组蛋白去乙酰酶活性共同决定了组蛋白的乙酰化水平.

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The level of histone acetylation plays an important role in progression, proliferation and differentiation of leukemia.

组蛋白乙酰化水平的异常在白血病的发展 、 增殖和分化中起着很重要的作用.

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acetylation

Study on Acetylation Technology of 2,4-Dichlorofluorobenzene

2,4-二氯氟苯的乙酰化工艺研究

2-( 9-carbazole ) acetyl chloride

2-（9-咔唑）乙酰氯

3-(3-t-butoxyl)succinimide acetyl chloride

3-（3-叔丁氧基）丁二酰亚胺乙酰氯

Depletion of maternal BRG1 did not affect global levels of histone acetylation, whereas dimethyl-H3K4 levels were reduced.

BRG1蛋白的缺失没有影响组蛋白乙酰化的整体水平，但是二甲基H3K4的水平有所降低。

Friedel-Crafts acetylation reaction

Friedel-Crafts酰基化反应

N - Acetyl - β - D - glucosaminidase

N-乙酰-β-D-氨基葡萄糖苷酶

N - acetyl - seryl - aspartyl - lysyl - proline

N-乙酰基-丝氨酰-天门冬酰-赖氨酰-脯氨酸

acetyl atoxyl, acetylarsanilic acid

[化] 对乙酰胺基苯胂酸

acetyl paramidophenol salicylate

[医] 对乙酰氨基萨罗

One, called TSA, inhibits the enzyme that removes acetyl groups.

一个是TSA，它可以抑制去除乙酰基的酶。

Keywords acetyl acetic acid ester;diketene;

丁酮酸酯;双乙烯酮;

The title compound was prepared from monomethyl sulfate and sodium acetyl ethenoxide, which was obtained from the reaction of acetone, sodium methoxide and methyl formate.The overall yield was 71.8%?

丙酮、甲醇钠与甲酸甲酯反应得乙酰基乙烯醇钠,再与硫酸氢甲酯反应得到目标产物,收率可达71.8%。

A potent irreversible inhibitor of serine proteases and acetyl choline esterase. Highly toxic!

丝氨酸蛋白酶和乙酰胆碱酯酶高效的不可逆抑制剂。剧毒！

MAIN OUTCOME MEASURES:The contents of N Acetyl aspartic acid (NAA), phosphocreatine and creatine(Pcr+cr),choline compound(Cho) and lactic acid(Lac).

主要观察指标:N-乙酰门冬氨酸(NAA)、磷酸肌酸和肌酸(Pcr+cr)、胆碱类复合物(Cho)和乳酸(Lac)的含量。

acetyl acetone colorimetric test

乙酰丙酮比色法（树脂整理游离甲醛测定法）

acetyl propionyl, methyl ethyl diketone

乙酰丙酰

Keywords acetylation;reactive cationic dyes;dye intermediates;

乙酰化;活性阳离子染料;染料中间体;

Acetylation Phenotypes and Bladder Cancer

乙酰化表型与膀胱癌

cellulose acetyl iminodiacetic acid

乙酰基亚氨基二乙酸纤维素

micro acetyl group determination apparatus

乙酰基微量测定仪

An example of the acyl group is the acetyl group.

乙酰基是酰基的一个例子。

acetyl cyclohexyl sulfonyl peroxide

乙酰基过氧化环乙基磺酰

ACSP acetyl cyclohexyl sulfonyl peroxide

乙酰基过氧化环已基磺酰

acetyl glyceryl ether phosphatidylcholine

乙酰甘油醚磷脂酰胆碱

acetyl glyceryl ether phosphorylcholine

乙酰甘油醚磷酰胆碱

acetyl glyceryl ether phosphoryl choline

乙酰甘油醚磷酰胆碱:血小板活化因子

acetyl choline receptor inducing activity

乙酰胆碱受体诱导活性

Acetyl choline can how is sexual urticaria treated?

乙酰胆碱能性荨麻疹怎么治疗？

acetyl adenosine 5'-monophosphate

乙酰腺苷(单磷)酸, 乙酰AMP

acetyl coenzyme A carnitine acetyl transferase

乙酰辅酶A肉毒碱乙酰基转移酶

Acetyl CoA (acetyl coenzyme A) A compound made up of acetyl and coenzyme A linked by a sulfur bridge.

乙酰辅酶A：由乙酰基和辅酶A通过硫键连接的一种化合物。

The quantity of acetic aldehyde has decreased by 75%,acetyl has decreased by 25%, the attenuation has rised by 16%. After measurating the flavor material of improved strain through the gas chromatograph.

乙醛含量下降了75%; 改良菌株的双乙酰含量比原始菌株的低25%左右,发酵度上升16%;

To bring an acetyl group into(an organic molecule).

乙醯化使乙醯化，把一乙醯基带入（一有机分子）之中

A method for determining hydroxyl value of epoxy-containing polyester,namely acetyl chloride method is introduced.

介绍了一种含环氧基聚酯的羟值测定方法,即乙酰氯法。

The preparation method of tributyl citrate and acetyl tributyl citrate by solid super acid,rare earth solid acid,heteropoly acid et al.were reviewed.

介绍了固体超强酸、稀土固体酸,杂多酸等催化剂的催化效果和特点。

Using L-proline as raw material, (2R,3R)-tartaric acid as resolution agent, D-proline was prepared by asymmetric transformation, i.e. the D-proline was reacted with acetyl chloride, triethylamine and (BOC)_2O one after another.

以L脯氨酸为原料、(2R,3R)酒石酸为拆分剂,采用不对称转换的方法将L-脯氨酸转换成D-脯氨酸。

Acetylation of 6 dialkylferrocenes were carried out using acetyl chloride as acetylizing agent and anhydrous aluminium chloride as catalyst. The separation of the reaction products by Al 2O 3 chromatography gave 12 acetyldialkylferrocenes.

以三氯化铝作催化剂、乙酰氯为酰化剂 ,对 6种二烷基二茂铁进行乙酰化 ,经柱层析分离得到 1 2种乙酰基二烷基二茂铁。

Acetylation of 6 dialkylferrocenes were carried out using acetyl chloride as acetylizing agent and anhydrous aluminium chloride as catalyst.

以三氯化铝作催化剂、乙酰氯为酰化剂,对6种二烷基二茂铁进行乙酰化,经柱层析分离得到12种乙酰基二烷基二茂铁。

High efficient anti-virus medicine acyclovir is brought out using ethyl cyanideacetatc as a raw material by several processes ,of guanine then acetylation condensation and hydrolysis with ammonia.

以氰乙酸乙酯为起始原料,制得鸟嘌吟,再经酰化、缩合、氨解反应即可制得高效抗病毒药阿昔洛韦。

Labetalol was prepared from salicylic amide by five steps: acetylation,bromosubstitution,amino-degradation,condensation and reduction.This approach was stable and easy to control.

以水杨酰胺为原料,经乙酰化、溴代、氨解、缩合和还原5步反应制得拉贝洛尔。反应条件温和,工艺稳定,其质量符合国家药品标准。

Acetylation between alcohol and benzoyl oxide was carried out using ZnBr2 as a Lewis acid catalyst in solvent-free condition. Some structures were characterized by NMR and IR.

以溴化锌为催化剂，在无溶剂条件下实现了醇与苯甲酸酐的酰化反应，部分产物经NMR和ir表征。

Rimantadine hydrochloride was synthesized from adamantane via bromination, acetylation and addition with formamide followed by hydrolysis. The overall yield was 31.5%.

以金刚烷为起始原料 ,经溴化、乙酰化、甲酰胺加成和水解反应 ,制得盐酸金刚乙胺 ,总收率 31.5%。

Rimantadine hydrochloride was synthesized from adamantane via bromination, acetylation and addition with formamide followed by hydrolysis.The overall yield was 31.5%.

以金刚烷为起始原料,经溴化、乙酰化、甲酰胺加成和水解反应,制得盐酸金刚乙胺,总收率31.5%。

We are also one of the world‘s largest producers of acetyl products.Our operations and business are located in North America，Europe and Asia.

公司在其主要产品市场上拥有首屈一指的世界市场地位，是全球最大的乙酰基产品制造商之一，生产和业务遍及北美、欧洲、亚洲。

Some methods could also determine the pattern of methylation or the degree of pectins acetylation.

其中有些方法可以同时测定果胶的甲酯的取代方式或乙酰化取代度。

One way they do this is by acetylation of the H3 histone's fourth amino acid, also a lysine.The effect is to open the chromatin at that site, making the DNA accessible.

其作用方式之一是使H3组蛋白的第4个氨基酸（也是赖氨酸）残基乙酰化，使染色质在这一部位展开，而DNA变得易于接近。

The chemical modification methods are composed of acid-or alkaline hydrolysis, acetylation, hydroxylation, acetylation and hydroxylation, hydrogenation, sulfonation, ethylene oxidation and so on.

化学改性方法主要包括酸碱水解法、乙酰化法、羟基化法、羟酰化法、氢化法、磺化法、乙氧基改性法等。

In the Krebs cycle, which requires free oxygen, pyruvate is converted into the 2-carbon actetyl group, which becomes attached to a coenzyme forming acetyl coenzyme A.

卡尔文循环需要充足的氧气，丙酮酸被氧化成2碳的乙酰基，与一个辅酶结合形成2分子的乙酰辅酶A。

Then prepare the acetyl ferrocene.

反应制得夹心结构的二茂铁。

In hemagglutinating activity (HA) inhibition assaysperformed with several carbohydrates and glycoproteins FCL-1 showed a distinctspecificity for acetyl group in carbohydrates and Sia-group in sialoglycoconjugates.

同时对FCL-1的各种性质进行了研究,FCL-1能够与人的A、B、O型血细胞,以及小鼠、鸡血细胞相结合;

All of four aromatic amines inhibited acetylation of isoniazid, but amides did not. 4-Aminobenzoic acid can be considered as a combined-drug for increasing and prolonging the blood level of isoniazid.

四种芳香胺都具有抑制乙酰化代谢的作用,而酰胺类没有这种作用,并提出对氨基苯甲酸可考虑作为合并药物以提高异烟肼的血水平和持续时间。

In the reaction of acetylation and nitration 1,2?dichloroethane was used as solvent.

在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂。

"We think acetylation somehow marks the newly copied DNA so the cell knows to repair the breaks," says Boeke.

在拷贝过程中，新的染色体常常会自己断裂并在染色体被装配完成并分裂成两个细胞前逢合好。

When injected into the brain cavity near the hippocampus, TSA increased both the amount of acetylation and the level of expression of the glucocorticoid receptor in adult rats that had had little maternal care early in life.

在早年缺少母性关怀的老鼠中，当把TSA注射入海马体附近的脑室内时，乙酰化作用被增强了，糖皮质激素受体的表达也更活跃了。

Under the acid free condition, 3 acetyl 2 hydroxy 6 methyl pyran 4 one (8) was obtained and its structure was confirmed by X ray diffraction analysis.

在没有酸催化的条件下,反应生成3乙酰基2羟基6甲基-吡喃4酮(8),并通过单晶X射线衍射分析确定了产物的结构;

The stability and activity HIF are strictly regulated in cells by such processes as hydroxylation, ubiquitination, acetylation, phosphorylation and sumoylation.

在组织细胞中缺氧诱导因子家族蛋白稳定性与活性受到严密的调节,主要方式有:羟基化、泛素化、乙酰化、磷酸化、小泛素样因子修饰。

Adding acetyl groups to proteins at specific locations -- a process called acetylation -- is one mechanism cells use to control protein activity.

在蛋白质特定的位置添加乙酰基的过程又叫做乙酰化，这是细胞控制蛋白质活性的一种机制。

The acetylation increased the solubility and swelling power of starches.

在较高温度下,乙酰化香蕉淀粉的持水能力比原淀粉高。

In aerobic respiration it is decarboxylated to form acetyl CoA.

在需氧呼吸中，丙酮酸脱去羧基形成乙酰辅酶A。

Chitosan, a natural polymer, is a partially deacetylated polymer of acetyl glucosamine obtained from the alkaline deacetylation of the chitin.

壳聚糖是一种天然高分子，是一种聚合物部分脱乙酰乙酰氨基葡萄糖从碱性的脱乙酰甲壳素。

Chitosan is a derivative from the natural amino polysaccharide chitin by stripping acetyl down and has good biocompatibility and broad-spectrum antibacterial function.

壳聚糖是天然氨基多糖甲壳素脱去乙酰基的派生物,具有良好的生物相容性和广谱抑菌功效。

In growing pigs lipogenesis (fat formation) is affected when the important enzyme, Acetyl CoA carboxylase cannot be formed.

如果乙酰辅酶A不能形成的话会严重影响生长猪只体内脂肪的形成。

The acetyl derivative and the silicane derivative of hyperbranched aliphatic polyesters with terminal hydroxy group were prepared.The effect of terminal groups on the properties was studied.

对端羟基脂肪族超支化高分子的端基进行了乙酰化和硅烷化改性,研究了不同端基对超支化高分子的玻璃化温度,折光指数增量以及特性粘度的影响。

uridine diphosphate acetyl glucosamine

尿苷二磷酸乙酰氨基葡糖

When it was treated with acetyl nitrate in concentrated sulfuric acid and glacial acetic acid respectively,N,2,4,6-tetranitroaniline and N,2,4-trinitroaniline were produced accordingly.

当以乙酰硝酸酯作硝化剂、浓硫酸作溶剂时,2,4-二硝基苯胺硝化得到的主要产物是N,2,4,6-四硝基苯胺;而以乙酰硝酸酯作硝化剂、冰醋酸作溶剂时,主要产物是N,2,4-三硝基苯胺。

When it was treated with acetyl nitrate in concentrated sulfuric acid and glacial acetic acid respectively, N,2,4,6-tetranitroaniline and N,2,4-trinitroani-line were produced accordingly.

当以乙酰硝酸酯作硝化剂、浓硫酸作溶剂时，2,4-二硝基苯胺硝化得到的主要产物是N,2,4,6-四硝基苯胺；

These results indicated that certain glycoconjugates containing D galactose, N acetyl D galactosamine, N acetly D glucosamine, D mannose residues were expressed on the surface of endothelia.

提示， 血管内皮细胞表面存在的某些糖复合物含有D－半乳糖、N－乙酰氨基半乳糖、N－乙酰氨基葡萄糖、D－甘露糖。

Starting with 2 main mechanisms (DNA methylation and histone acetylation) of the apparent reprogramming, the abnormalities of the apparent reprogramming in the somatic cloning animals were summarized.

摘要从表观重编程的两大主要机制（DNA甲基化和组蛋白乙酰化）入手，对体细胞克隆动物的表观重编程异常展开了综述。

This article describes the application of a new desulfurizing catalyst G1 in Yangzi Acetyl Chemical Co Ltd.

文章介绍了新型脱硫催化剂G1在扬子乙酰公司的应用情况。

METHOD:Acetylation of the total alkaloids of buxus gave tri-acetylated cyclovirobuxine D followed by hydroxylsis to produce the target compound.

方法:黄杨木总生物碱通过酰化、酸溶分离得到环维黄杨星D三乙酰化物,经水解得目标物。

Methods That taurine reacting with formaldehyde and acetyl acetone forming a stable colored-compound was used to determine the content of taurine by spectrophotometry.

方法根据在一定的条件下，牛磺酸与乙酰丙酮和甲醛反应生成带色的配合物，建立了测定牛磺酸的吸光光度法。

Methods Forty-five chronic urticaria patients with positive serum toxoplasma,among of these 25 cases were orally administered with acetyl spiramycin and 20 cases received oral administration with terfenadine.

方法血清弓形虫抗体检测阳性的慢性荨麻疹患者45例,其中25例口服乙酰螺旋霉素治疗,20例口服特非那丁治疗。

METHOD HPLC method was used to determine the content of 23 acetyl alisol B in different samples.

方法采用高效液相色谱法测定各样品中23-乙酰泽泻醇B的含量。

Finally, in 1853, a French 4)chemist called Charles Gerhardt 5)managed to produce acetyl salicylic acid, or aspirin.

最后在1853年，法国化学家查尔斯葛哈德终于制造出乙醯柳酸，即阿司匹林。

This product would have less effect on the dilation of hare eye pupil and direcly relax the stomach muscle strip of big mouse.It would resist acetyl choline and excite stomach muscle strip.

本品滴眼对兔眼瞳孔有较弱的扩张作用,对大鼠离体胃肌条有直接松弛作用,并有拮抗乙酰胆碱兴奋胃肌条的作用。

Leonuine was synthesized from syringic acid by acetylation,reaction with SOCl_ 2,Gabriel reaction et al,total yield is 18.95%.

本文中以丁香酸为原料,用醋酐进行乙酰化、酰氯化、盖布瑞尔等六步反应得到益母草碱,总收率为18.95%。

The methods of the modification of phospholipids were summarized, such as hydroxylation,hydrogenation, hydrolyzation,acetylation,and so on.

本文主要介绍了磷脂的化学改性方法,例如:羟基化、氢化、酶水解、酰化等。

The catalase has been immobilized on acetyl cellulose membrane activated by pre-treatment with sodium periodate.

本文将过氧化氢酶与经活化处理的醋酸纤维膜共价固定,并与氧电极偶合,研制成静态和流通二种过氧化氢生物电极.

We studied the method with acetic anhydride-pyridin acetylation,selected the adaptive analysis conditon and achieved good results.It may be a reference to the home middle and small factories.

本文探讨了用乙酸酐-吡啶乙酰化法，选择合适的分析条件，得到满意的结果，可供中小型生产厂家参考。

This study was to investigate the effects of curcumin on the acetylation of histone H3 and the expression of p21WAF1/CIP1 gene in human lymphoma cell line Raji.

本研究探讨姜黄素对Raji细胞组蛋白H3的乙酰化作用和细胞周期素依赖性激酶抑制剂p21WAF1/CIP1基因表达的影响。