二苯并环辛烯PEG氨基,NH2-PEG-DBCO,DBCO-PEG-AMINE产品NG体育专业供应。
名称
货号
英文名、缩写
分子量
DBCO-PEG-NH2
PS2-NDB-5K
DBCO-PEG-Amine
5000
0.1g、0.5g
DBCO-PEG-NH2
PS2-NDB-2K
DBCO-PEG-Amine
2000
0.1g、0.5g
DBCO-PEG-NH2
PS2-NDB-3K
DBCO-PEG-Amine
3400
0.1g、0.5g
DBCO-PEG-NH2
PS2-NDB-1K
DBCO-PEG-Amine
1000
0.1g、0.5g
DBCO-PEG-NH2
PS2-NDB-10K
DBCO-PEG-Amine
10000
0.1g、0.5g
(备注:非常规分子量:400、600。精确聚合度的小分子定制。)
基本信息:
中文名称:二苯并环辛烯-聚乙二醇-氨基 (DBCO-PEG-NH2)
别名:DBCO-PEG-NH2
英文名称:DBCO-PEG-NH2,DBCO-PEG-Amine
CAS:-
分子量:400、600、1K、2K、3.4K、4K、5K、10K
纯度:95%以上
二苯并环辛烯PEG氨基,NH2-PEG-DBCO,DBCO-PEG-AMINE产品NG体育专业供应。
应用简介:
NG体育 DBCO (dibenzocyclooctyne) PEG amine is a heterobifunctional reactive PEG derivative that can go Click Chemistry reaction without a need of any metal catalysts. The strain-promoted 1,3-dipolar cycloaddition of cyclooctynes and azides, also termed as the Cu-free click reaction, is a bioorthogonal reaction that enables the conjugation of two molecules in aqueous solution. DBCO PEG derivatives possess fast kinetics and stability in aqueous buffer. DBCO reagents can be used to label azide-modified biomolecules spontaneously without the need for toxic Cu catalysts. Amine groups, on the other hand, can react with a variety of functional groups such as COOH, NHS, aldehyde, etc.
Copper-free Click reaction procedures:
Prepare the azide-containing reagents in reaction buffer.
Add PEG DBCO reagents to azide containing reagents. Add 1 mol equivalent of limiting reagent to 1.5~3.0 mol equivalents of abundance reagent.
Incubate the reaction at room temperature for 2~4 hours or 2~12 hours at 4℃.
Purify conjugates either by dialysis or size-exclusion chromatograph.
物理性质:
状态:淡黄色到白色固体,或者半固体,取决于分子量。
溶解性:溶于水,CHCL3,DMSO等溶剂。
保持条件:-20℃*保存,避光,干燥。
注意事项:取用一定要干燥,避免频繁的溶解和冻干。
反应性:DBCO与含有N3基团化合物的反应。NH2可以和NHS,COOH,CHO等等。
,DBCO-PEG-AMINE产品NG体育专业供应。
技术指标:
纯度(PEG):95%以上
取代率(DBCO):90%以上
取代率(NH2):95%以上
分散系数(PDI):小于等于1.05
分析:COA、GPC、NMR、MALDI-TOF
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,DBCO-PEG-AMINE产品NG体育专业供应。