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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
详询
- 保质期:
详询
- 英文名:
(R)-α-(3-phenylpropyl)proline hydrochloride
- 库存:
98
- 供应商:
北京孚博
- CAS号:
1217792-29-4
- 规格:
1g
CAS:1217792-29-4
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文献和实验acids are polar and negatively charged at physiological pH. Both acidic amino acids have a second carboxyl group. Amides are polar and uncharged, and not ionizable. All are very hydrophilic. Aliphatic R groups are nonpolar and hydrophobic
Secondary structure of prion mRNA
Secondary structure of prion mRNA Luck R; Steger G; Riesner D Institut fur Physikalische Biologie, Heinrich-Heine-Universitat, Dusseldorf, FRG. J Mol Biol 258: 813-26 (1996) An algorithm for prediction of conserved secondary structure
局麻药作用的因素】局麻药的作用易受下列因素影响。 表12-1 常用局麻药比较表 1.神经干或神经纤维的粗细粗大的神经干有鞘膜包围,局麻药对它的作用不如对神经末梢,所以传导麻醉所需浓度较高,约为浸润麻醉的2~3倍。粗神经纤维(如运动神经)对局麻药的敏感性不如细神经纤维(如痛觉神经及交感神经) 2.体液pH 局麻药在体内呈非离子型(R┆N)与离子型(R┇NH + )。非离子型亲脂性高,易穿透细胞
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