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【求助/交流】求高手:多肽如何標記FITC?
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| 我合成的一個九肽想標記FITC,多肽是水溶性的,在DMF中反應(yīng)沒反應(yīng)成功,MS檢測分子量不對。不知有誰做過類似的實驗,想請教一下具體的反應(yīng)條件,最好能給個詳細的Protocol,先謝謝了! |
» 搶金幣啦!回帖就可以得到:
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上海生工有進口熒光標記試劑盒賣。 HOOK™ Dye Labeling Kit (5/6) TAMRA-SE (Rhodamine) 蛋白羅丹明標記試劑盒 Description: (5/6) TAMRA-SE (5-(and-6)-Carboxytetramethylrhodamine succinimidyl ester, mixed isomers) is based on tetramethylrhodamine, one of the most common fluorophores used in the labeling of peptides, proteins, nucleic acids and nucleotides.(5/6) TAMRA absorbs green visible light at 546nm and emits an orange-red visible light at a maximum emission of 575nm.The NHS ester group provides the simplest and most commonly used group for labeling proteins. The succinimidyl ester group reacts with primary amines in lysine side chains and N-terminal amines forming a stable, covalent amide bond.This kit utilizes Tube-O-REACTOR™, which allows for the reactions to be performed in a single tube, with no loss of essential reagents and minimum hands-on time and effort. The (5/6) TAMRA-SE labeling reagent is also available in our single use OneQuant™ format. Features: Dye preweighed and supplied in single use vials (Also available separately);Suitable for most proteins;Utilizes single Tube Reactor for minimum hands on time and no protein loss.application for Labeling of proteins, peptides and nucleic acids with a red fluorescent dye.;Suitable for antibody labeling.Store: -15~-20℃ 編號 包裝 價格 產(chǎn)地 786-058 5 Reactions 2,486 GBios HOOK™ Dye Labeling Kit (FITC) 蛋白FITC熒光素標記試劑盒 Description: FITC (fluorescein isothiocyanate) is a commonly used fluorescent label for proteins, as it contains the groups required for conjugating to amino, sulfhydryl, imidazoyl, tyrosyl or carbonyl groups of proteins. FITC has a molecular weight of 389, and excitation and emission wavelengths of 494nm and 520nm, respectively, therefore emitting green visible light.This kit utilizes Tube-O-Reactor™, which allows for the reactions to be performed in a single tube, with no loss of essential reagents and minimum hands-on time and effort. Features: Dye preweighed and supplied in single use vials (Also available separately);Suitable for most proteins;Utilizes single Tube Reactor for minimum hands on time.application for Labeling of a green fluorescent dye to proteins and peptides. And Suitable for antibody labeling. Store: -15~-20℃ 編號 包裝 價格 產(chǎn)地 786-059 5 Reactions 2,486 GBios |
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