甲氧基聚乙二醇氨基的作用
【甲氧基聚乙二醇氨基的定義和作用】
mPEG-Amine is a linear methoxy PEG reagent with a reactive primary amine or NH2 group that can rapidly react with activated carboxyl acid such as NHS ester to form stable amide bonds. Amine can also react with carbonyl such as ketone and aldehyde.
甲氧基聚乙二醇氨基的作用
比如:蛋白質(zhì)改性
原理
羧基肽和其它材料(-COOH)或其他與胺反應(yīng)的化學(xué)基團(tuán)。
抑制帶電分子在修飾表面的非特異性結(jié)合
【甲氧基聚乙二醇氨基的參考文獻(xiàn)】
References:
1. Carboxyl PEGylation of Nanoparticles - Design and demonstration of a small-animal upconversion imager, Opt Express. 2008 December 22; 16(26): 21731–21737, Text.
2. Carboxyl PEGylation - Fluorescence Single Particle Tracking for the Characterization of Submicron Protein Aggregates in Biological Fluids and Complex Formulations, Pharm Res (2011) 28:1112–1120, Text.
3. Carboxyl PEGylation - Characterization of hydrogel microstructure using laser tweezers particle tracking and confocal reflection imaging, J Phys Condens Matter. 2010; 22(19): 194121, Text.
4. Carboxyl PEGylation of Nanoparticles - Ex vivo characterization of particle transport in mucus secretions coating freshly excised mucosal tissues, Mol Pharm. 2013 June 3; 10(6): 2176–2182, Text.
5.Carboxyl PEGylation of Nanoparticles- Nanoparticle diffusion in respiratory mucus from humans without lung disease, Biomaterials. 2013 April ; 34(13): 3439–3446, Text.
【甲氧基聚乙二醇氨基的保存】
取用時(shí)需要干燥,溶解和凍干不能太過頻繁
-20℃ 密封存放,有條件的話充惰性氣體保存。
【甲氧基聚乙二醇氨基的理化性質(zhì)】
溶于大部分有機(jī)溶劑
DCM、DMF、DMSO、THF
H2O
【甲氧基聚乙二醇有哪些類型】
mPEG-Amine, MW 1k
mPEG-Amine, MW 20k
mPEG-Amine, MW 350
mPEG-Amine, MW 550
mPEG-Amine, MW 30K
mPEG-Amine, MW 5k
mPEG-Amine, MW 2k
mPEG-Amine, MW 10k
【甲氧基聚乙二醇氨基有哪些公司可以生產(chǎn)定制供應(yīng)】
上海子起生物科技有限公司:
接受修飾性PEG常規(guī)分子量、常規(guī)基團(tuán)的的定制和服務(wù)
支持發(fā)貨隨核磁等資質(zhì)文件
支持*質(zhì)量售后
【甲氧基聚乙二醇關(guān)聯(lián)基團(tuán)/官能團(tuán)有哪些?】
磷脂-DSPE
巰基-SH
丙烯酸酯/丙烯酰-DA ACRL
疊氮聚乙二醇-N3
馬來酰亞胺化聚乙二醇-MAL
同雙官能團(tuán)修飾性聚乙二醇
氨基化聚乙二醇-NH2
羧基聚乙二醇
氨基聚乙二醇
馬來酰亞胺聚乙二醇
活性酯聚乙二醇
丙烯酰、丙烯酸酯聚乙二醇
疊氮聚乙二醇
生物素聚乙二醇
磷脂(DSPE)-聚乙二醇
單官能團(tuán)修飾性聚乙二醇
甲氧基聚乙二醇衍生物
同雙官能團(tuán)聚乙二醇衍生物
異雙官能團(tuán)聚乙二醇衍生物
巰基聚乙二醇