二羟基
- Dihydroxy group;dyhydroxy;dyhydroxyl
![二羟基](../cache/1187850.jpg)
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咪唑和2,5-二羟基-1,4苯醌与Fe(Ⅱ)混配配合物的合成与表征
Synthesis and Characterization of Mixed Ligand Complex of Fe (ⅱ) with 2 , 5-dihydroxy-1 , 4-benzoquinone and Imidazole
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1,25-二羟基维生素D3和维生素K2联合诱导HL-60细胞分化及凋亡的研究
Differentiation and apoptosis induced by 1,25-dihydroxyvitamin D_3 combined with vitamin K_2 in HL-60 cells
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1,25-二羟基维生素D3对环磷酰胺处理的NOD小鼠糖尿病的影响
Effect of 1,25-dihydroxyvitamin D_3 on cyclophosphamide induced diabetes in NOD mice
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以Heck反应合成(E)-3-甲氧基-4,4′-二羟基二苯乙烯的研究
Study on the Synthesis of ( E ) - 3-Methoxy-4,4 ′ - dihydroxy-stilbene by Heck Reaction
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1,25-二羟基维生素D3诱导HL-60细胞向成熟单核细胞的分化
Induction of HL-60 cells to differentiate towards mature monocytes by 1,25-Dihydroxyvitamin D_3
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结果表明:5,7-二溴-8-二羟基喹啉对镅的萃取能力略高于铕,分离因数βAm/Eu为1.29;
The results show that in single extracting system of 5,7 dibromo 8 quinolinol the separation factor for Am and Eu is 1 29 ;
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1,25-二羟基维生素D3抑制K562细胞增殖及其机制
Effects of 1 α, 25-Dihydroxyvitamin D_3 on the proliferation and apoptosis of K562 leukemia cells and its mechanism
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前线电子密度法预测并通过GC/MS分析验证,得到1-氨基-4-羟基蒽醌光解产物主要为1,4-二羟基蒽醌。
The results obtained from the frontier electron density calculation and GC / MS further proved that 1,4-dihydroxyanthraquinone was the primary photoproduct of 1-amino-4-hydroxyanthraquinone .
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1,8-二羟基蒽醌和1-氨基蒽醌对大型溞(Daphniamagna)的毒性效应研究
Studies on the Toxicity Effects of 1,8-dihydroxyanthraquinone and 1-aminoanthraquinone on Daphnia Magna
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目的探讨1,25-二羟基维生素D3对环磷酰胺促发的NOD鼠1型糖尿病的预防作用。
Objective To study the prophylactic effects of 1,25 dihydroxyvitamin D 3 on type 1 diabetes .
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大豆苷元(7,4'-二羟基异黄酮)代谢机制及对细胞色素P450的影响
The Metabolism of Daidzein ( 7,4 ' - dihydroxy-isoflavone ) and It Effects on Cytochrome P450
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1α,25-二羟基维生素D3对人卵巢癌细胞株表皮生长因子受体的调节
Down regulation of epidermal growth factor receptor in human ovarian cancer cells by 1 α, 25-dihydroxyvitamin D3
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1,25二羟基维生素D3可使致敏后足垫厚度减小。
The 1 , 25-dihydroxyvitamin D3 can minish the thick of the hind feet pad after sensitization .
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应用RTPCR法和RNA酶保护试验(RPA)法测定2种NOS的表达,以2,3二羟基丙醛3磷酸脱氢酶(GAPDH)为内参。
NOS expression was detected by using RT PCR and RNAase protection assay ( RPA ), and GAPDH was used as an internal standard .
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19-失碳-1α,25-二羟基维生素D3A环合成子的合成
The Synthesis of A - Ring Synthon for 19 - Nor - 1a , 25 - Dihydroxyvitamin D_3
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光学活性的19-失碳-1α,25-二羟基维生素D3A环关键中间体的合成
Synthesis of an Optically Active Intermediate of A ring for 19 Nor 1 α, 25 Dihydroxyvitamin D 3
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结果表明:小波网络优于BP网络,酪氨酸、色氨酸、苯丙氨酸和3,4二羟基苯丙氨酸预测含量的回收率在94.72%~105.43%之间。
The results showed that the wavelet network was better than BP network , the recoveries of the predicted concentrations for tyrosine , tryptophan , phenylalanine and 3,4-hydroxyphenylalanine were 94.72 % ~ 105.43 % .
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大脑皮层5羟色胺(5HT)的含量明显降低,3,4二羟基苯乙酸(DOPAC)/多巴胺(DA)均明显升高(P0.01)。
The contents of 5-HT reduced , and the rate of DOPAC / DA increased significantly ( P0.01 ) .
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1,25-二羟基维生素D3减少Heymann肾炎鼠足细胞凋亡脱落
1,25-Dihydroxyvitamin D_3 Decreases Podocyte Apoptosis and Detachment in Rats with Passive Heymann Nephritis
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报道了含1个溶剂DMF的多齿配体2,5-二羟基-1,4-苯醌缩氨基脲的合成和晶体结构。
The synthesis and crystal structure of multidentate ligand 4 - ( 2 , 5-dihydroxy-1 , 4-benzoquinonyl ) - semicarbazide are reported in this paper .
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(3R,5R)-3,5-二羟基-6-取代己酸不对称合成研究进展
New Developments in the Asymmetric Synthesis of ( 3R , 5R ) - 3,5 - Dihydroxyl-6-substituted Hexanoic Acid
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这提示1,25二羟基维生素D3口服制剂的浓缩剂型,将有利于其吸收利用。
It is indicates that the concentrated capsule of 1 , 25-dihydroxyvitamin D3 oral preparation would be in favor of absorption and utilization .
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二羟甲基二羟基乙撑脲树脂(即DMDHEU简称2D树脂)是目前应用最多的抗皱免烫整理剂。
At present , Di-Methylol Di-Hydroxy Ethylene Urea ( DMDHEU , 2D resin for short ) is the major durable press finishing agent .
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3,4-二羟基苯乙酮(DHAP)对离体心肌电活动和机械活动的作用
Effects of 3,4-dihydroxyacetophenone ( dhap ) on Electrical and mechanical activities in isolated myocardium
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对于两者而言,胡桃醌的药效低于其衍生物5,8-二羟基-1,4-萘醌。抑制孢子萌发试验表明:两种药剂对玉米小斑病菌孢子萌发的抑制率最高,在12.5mg/L时高于60%;
The effect of Juglone was under than 5 , 8-dihydroxy-1 , 4-naphthoquinone .
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叶黄素(lutein)是自然界广泛存在的含紫罗酮环的二羟基类胡萝卜素,也是人眼视网膜黄斑色素主要组成部分。
Lutein is dihydroxy-carotenoids with the ionone ring systems distributed widely in nature as well as the main component of the retina macular pigment in human eye .
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研究了Cu2+和5,8-二羟基-1,4-萘醌(Naph)的络合显色反应。
A complex chromogenic reaction of Cu2 + and 5 , 8-dihydroxy-1 , 4-na phthoquinone ( Naph ) has been studied .
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以2,5-二羟基苯甲酸(DHB)和芥子酸为基质,对多肽生物样品进行了实验研究。
Experiments were performed using polypeptide as analyte and2,5-dihydroxybenzoic acid ( DHB ) and sinapic acid as matrices .
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此外,随着碱土金属离子半径的增加,4,6-二羟基嘧啶碱土金属配合物出现从单核、1D、2D到3D孔道的结构演变,而且这些配合物都具有较强的蓝色荧光发射。
Moreover , the structure evolution from mononuclear , 1-D , 2-D to 3-D porous framework in alkaline earth metal complexes based on 4,6-dihydroxypyrimidine can be attributed to the increasing radius of metal ions , and these complexes exhibit strong blue emissions .
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本文以苯酚、硫酸为原料合成了2,4′二羟基二苯砜(2,4′BPS)。
2,4 ′ - Dihydroxydiphenylsulfone ( 2,4 ′ - BPS ) was prepared from phenol and H_2SO_4 . Mesitylene and phosphorous acid were the better solvent and catalyst , respectively .