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qiu455243626铜虫 (小有名气)
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[求助]
哪位大神帮我看看这段话
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Conjugation of the PEG chains to the particle surfaces was carried out by reductive amination in which aldehyde functionalized particles were dispersed in 500 μL of phosphate buffer (115 mM K2HPO4, 15 mM KH2PO4, adjusted to pH 7.8), in the presence of 250 mM sodium cyanoborohydride with 0.5 mM NH2-PEG-COOH diluted from the stock solution. |
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qiu455243626
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