mPEG-PLA, PEG MW:1000&PLA MW:10000，mPEG-PLA, PEG MW:2000&PLA MW:2000
我们非常乐于倾听您的需求，并一如既往地继续为您提供优质的产品和服务。
公   司：瑞禧生物
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技术指标：
纯度（PEG）：95%以上
取代率（FITC）：90%以上
取代率（NHS）：90%以上
分散系数（PDI）：小于等于1.05
物理性质：
状态：粉红色或暗红色的固体或粘稠液体,取决于分子量。
溶解性：溶于大部分有机溶剂，溶于水。
保存条件：-20℃长期保存，避光，干燥。
mPEG-PLA, PEG MW:1000&PLA MW:10000，mPEG-PLA, PEG MW:2000&PLA MW:2000
其他Copolymer PEGs产品：
mPEG-PLA, PEG MW:1000&PLA MW:1000
mPEG-PLA, PEG MW:750&PLA MW:1000
mPEG-PLA, PEG MW:1000&PLA MW:2000
mPEG-PLA, PEG MW:1000&PLA MW:5000
mPEG-PLA, PEG MW:2000&PLA MW:2000
mPEG-PLA, PEG MW:2000&PLA MW:5000
mPEG-PLA, PEG MW:2000&PLA MW:10000
mPEG-PLA, PEG MW:5000&PLA MW:2000
mPEG-PLA, PEG MW:5000&PLA MW:5000
mPEG-PLA, PEG MW:5000&PLA MW:10000
mPEG-PCL, PEG MW:1000&PCL MW:1000
mPEG-PCL, PEG MW:1000&PCL MW:2000
mPEG-PCL, PEG MW:1000&PCL MW:5000
mPEG-PCL, PEG MW:1000&PCL MW:10000
mPEG-PCL, PEG MW:2000&PCL MW:2000
mPEG-PCL, PEG MW:2000&PCL MW:5000
mPEG-PCL, PEG MW:2000&PCL MW:10000
mPEG-PCL, PEG MW:5000&PCL MW:2000
mPEG-PCL, PEG MW:5000&PCL MW:5000
mPEG-PCL, PEG MW:5000&PCL MW:10000
mPEG-PLGA, PEG MW:1000&PCL MW:1000
mPEG-PLGA, PEG MW:1000&PCL MW:2000
mPEG-PLGA, PEG MW:1000&PCL MW:5000
mPEG-PLGA, PEG MW:1000&PCL MW:10000
mPEG-PLGA, PEG MW:2000&PCL MW:2000
mPEG-PLGA, PEG MW:2000&PCL MW:5000
mPEG-PLGA, PEG MW:2000&PCL MW:10000
mPEG-PLGA, PEG MW:5000&PCL MW:2000
mPEG-PLGA, PEG MW:5000&PCL MW:5000
mPEG-PLGA, PEG MW:5000&PCL MW:10000
PLA(1000)-PEG(1000)-PLA(1000)
PLA(2000)-PEG(1000)-PLA(2000)
PLA(5000)-PEG(1000)-PLA(5000)
PLA(1000)-PEG(2000)-PLA(1000)
PLA(2000)-PEG(2000)-PLA(2000)
PLA(5000)-PEG(2000)-PLA(5000)
PLA(10000)-PEG(2000)-PLA(10000)
PLA(1000)-PEG(5000)-PLA(1000)
PLA(2000)-PEG(5000)-PLA(2000)
PLA(5000)-PEG(5000)-PLA(5000)
PLA(10000)-PEG(5000)-PLA(10000)
PLA(1000)-PEG(10000)-PLA(1000)
PLA(2000)-PEG(10000)-PLA(2000)
PLA(5000)-PEG(10000)-PLA(5000)
PLA(10000)-PEG(10000)-PLA(10000)
PCL(1000)-PEG(1000)-PCL(1000)
PCL(2000)-PEG(1000)-PCL(2000)
PCL(5000)-PEG(1000)-PCL(5000)
PCL(1000)-PEG(2000)-PCL(1000)
PCL(2000)-PEG(2000)-PCL(2000)
PCL(5000)-PEG(2000)-PCL(5000)
PCL(10000)-PEG(2000)-PCL(10000)
PCL(1000)-PEG(5000)-PCL(1000)
PCL(2000)-PEG(5000)-PCL(2000)
PCL(5000)-PEG(5000)-PCL(5000)
PCL(10000)-PEG(5000)-PCL(10000)
PCL(1000)-PEG(10000)-PCL(1000)
PCL(2000)-PEG(10000)-PCL(2000)
PCL(5000)-PEG(10000)-PCL(5000)
PCL(10000)-PEG(10000)-PCL(10000)
PLGA (1000)-PEG(1000)-PLGA (1000)
PLGA (2000)-PEG(1000)-PLGA (2000)
PLGA (5000)-PEG(1000)-PLGA (5000)
PLGA (1000)-PEG(2000)-PLGA (1000)
PLGA (2000)-PEG(2000)-PLGA (2000)
PLGA (5000)-PEG(2000)-PLGA (5000)
PLGA (10000)-PEG(2000)-PLGA (10000)
PLGA (1000)-PEG(5000)-PLGA (1000)
PLGA (2000)-PEG(5000)-PLGA 2000)
PLGA (5000)-PEG(5000)-PLGA (5000)
PLGA (10000)-PEG(5000)-PLGA (10000)
PLGA (1000)-PEG(10000)-PLGA (1000)
PLGA (2000)-PEG(10000)-PLGA (2000)
PLGA (5000)-PEG(10000)-PLGA (5000)
PLGA (10000)-PEG(10000)-PLGA (10000)
PLA(1000)-PEG(1000)-NH2
PLA(2000)-PEG(1000)-NH2
PLA(5000)-PEG(1000)-NH2
PLA(10000)-PEG(1000)-NH2
PLA(1000)-PEG(2000)-NH2
PLA(2000)-PEG(2000)-NH2
PLA(5000)-PEG(2000)-NH2
PLA(10000)-PEG(2000)-NH2
PLA(1000)-PEG(5000)-NH2
PLA(2000)-PEG(5000)-NH2
PLA(5000)-PEG(5000)-NH2
PLA(10000)-PEG(5000)-NH2
PLA(1000)-PEG(10000)-NH2
PLA(2000)-PEG(10000)-NH2
PLA(5000)-PEG(10000)-NH2
PLA(10000)-PEG(10000)-NH2
PLA(1000)-PEG(1000)-COOH
PLA(2000)-PEG(1000)-COOH
PLA(5000)-PEG(1000)-COOH
PLA(10000)-PEG(1000)-COOH
PLA(1000)-PEG(2000)-COOH
PLA(2000)-PEG(2000)-COOH
PLA(5000)-PEG(2000)-COOH
PLA(10000)-PEG(2000)-COOH
PLA(1000)-PEG(5000)-COOH
PLA(2000)-PEG(5000)-COOH
PLA(5000)-PEG(5000)-COOH
PLA(10000)-PEG(5000)-COOH
PLA(1000)-PEG(10000)-COOH
PLA(2000)-PEG(10000)-COOH
PLA(5000)-PEG(10000)-COOH
PLA(10000)-PEG(10000)-COOH
PLA(1000)-PEG(1000)-MAL
PLA(2000)-PEG(1000)-MAL
PLA(5000)-PEG(1000)-MAL
PLA(10000)-PEG(1000)-MAL
PLA(1000)-PEG(2000)-MAL
PLA(2000)-PEG(2000)-MAL
PLA(10000)-PEG(2000)-MAL
PLA(1000)-PEG(5000)-MAL
PLA(2000)-PEG(5000)-MAL
PLA(5000)-PEG(5000)-MAL
PLA(10000)-PEG(5000)-MAL
PLA(1000)-PEG(10000)-MAL
PLA(2000)-PEG(10000)-MAL
PLA(5000)-PEG(10000)-MAL
PLA(10000)-PEG(10000)-MAL
PLA(1000)-PEG(1000)-Biotin
PLA(2000)-PEG(1000)-Biotin
PLA(5000)-PEG(1000)-Biotin
PLA(10000)-PEG(1000)-Biotin
PLA(1000)-PEG(2000)-Biotin
PLA(2000)-PEG(2000)-Biotin
PLA(5000)-PEG(2000)-Biotin
PLA(10000)-PEG(2000)-Biotin
PLA(1000)-PEG(5000)-Biotin
PLA(2000)-PEG(5000)-Biotin
PLA(5000)-PEG(5000)-Biotin
PLA(10000)-PEG(5000)-Biotin
PLA(1000)-PEG(10000)-Biotin
PLA(2000)-PEG(10000)-Biotin
PLA(5000)-PEG(10000)-Biotin
PLA(10000)-PEG(10000)-Biotin
PLA(1000)-PEG(1000)-NHS
PLA(2000)-PEG(1000)-NHS
PLA(5000)-PEG(1000)-NHS
PLA(10000)-PEG(1000)-NHS
PLA(1000)-PEG(2000)-NHS
PLA(2000)-PEG(2000)-NHS
PLA(5000)-PEG(2000)-NHS
PLA(10000)-PEG(2000)-NHS
PLA(1000)-PEG(5000)-NHS
PLA(2000)-PEG(5000)-NHS
PLA(5000)-PEG(5000)-NHS
PLA(10000)-PEG(5000)-NHS
PLA(1000)-PEG(10000)-NHS
PLA(2000)-PEG(10000)-NHS
PLA(5000)-PEG(10000)-NHS
PLA(10000)-PEG(10000)-NHS
PLA(1000)-PEG(1000)-N3
PLA(2000)-PEG(1000)-N3
PLA(5000)-PEG(1000)-N3
PLA(10000)-PEG(1000)-N3
PLA(1000)-PEG(2000)-N3
PLA(2000)-PEG(2000)-N3
PLA(5000)-PEG(2000)-N3
PLA(10000)-PEG(2000)-N3
PLA(1000)-PEG(5000)-N3
PLA(2000)-PEG(5000)-N3
PLA(5000)-PEG(5000)-N3
PLA(10000)-PEG(5000)-N3
PLA(1000)-PEG(10000)-N3
PLA(2000)-PEG(10000)-N3
PLA(5000)-PEG(10000)-N3
PLA(10000)-PEG(10000)-N3
PLA(1000)-PEG(1000)-FITC
PLA(2000)-PEG(1000)-FITC
PLA(5000)-PEG(1000)-FITC
PLA(10000)-PEG(1000)-FITC
PLA(1000)-PEG(2000)-FITC
PLA(2000)-PEG(2000)-FITC
PLA(5000)-PEG(2000)-FITC
PLA(10000)-PEG(2000)-FITC
PLA(1000)-PEG(5000)-FITC
PLA(2000)-PEG(5000)-FITC
PLA(5000)-PEG(5000)-FITC
PLA(10000)-PEG(5000)-FITC
PLA(1000)-PEG(10000)-FITC
PLA(2000)-PEG(10000)-FITC
PLA(5000)-PEG(10000)-FITC
PLA(10000)-PEG(10000)-FITC
PLA(1000)-PEG(1000)-SH
PLA(2000)-PEG(1000)-SH
PLA(5000)-PEG(1000)-SH
PLA(10000)-PEG(1000)-SH
PLA(1000)-PEG(2000)-SH
PLA(2000)-PEG(2000)-SH
PLA(5000)-PEG(2000)-SH
PLA(10000)-PEG(2000)-SH
PLA(1000)-PEG(5000)-SH
PLA(2000)-PEG(5000)-SH
PLA(5000)-PEG(5000)-SH
PLA(10000)-PEG(5000)-SH
PLA(1000)-PEG(10000)-SH
PLA(2000)-PEG(10000)-SH
PLA(5000)-PEG(10000)-SH
PLA(10000)-PEG(10000)-SH
PCL(1000)-PEG(1000)-NH2
PCL(2000)-PEG(1000)-NH2
PCL(5000)-PEG(1000)-NH2
PCL(10000)-PEG(1000)-NH2
PCL(1000)-PEG(2000)-NH2
PCL(2000)-PEG(2000)-NH2
PCL(5000)-PEG(2000)-NH2
PCL(10000)-PEG(2000)-NH2
PCL(1000)-PEG(5000)-NH2
PCL(2000)-PEG(5000)-NH2
PCL(5000)-PEG(5000)-NH2
PCL(10000)-PEG(5000)-NH2
PCL(1000)-PEG(10000)-NH2
PCL(2000)-PEG(10000)-NH2
PCL(5000)-PEG(10000)-NH2
PCL(10000)-PEG(10000)-NH2
PCL(1000)-PEG(1000)-COOH
PCL(2000)-PEG(1000)-COOH
PCL(5000)-PEG(1000)-COOH
PCL(10000)-PEG(1000)-COOH
PCL(1000)-PEG(2000)-COOH
PCL(2000)-PEG(2000)-COOH
PCL(5000)-PEG(2000)-COOH
PCL(10000)-PEG(2000)-COOH
PCL(1000)-PEG(5000)-COOH
PCL(2000)-PEG(5000)-COOH
PCL(5000)-PEG(5000)-COOH
PCL(10000)-PEG(5000)-COOH
PCL(1000)-PEG(10000)-COOH
PCL(2000)-PEG(10000)-COOH
PCL(5000)-PEG(10000)-COOH
PCL(10000)-PEG(10000)-COOH
PCL(1000)-PEG(1000)-MAL
PCL(2000)-PEG(1000)-MAL
PCL(5000)-PEG(1000)-MAL
PCL(10000)-PEG(1000)-MAL
PCL(1000)-PEG(2000)-MAL
PCL(2000)-PEG(2000)-MAL
PCL(5000)-PEG(2000)-MAL
PCL(10000)-PEG(2000)-MAL
PCL(1000)-PEG(5000)-MAL
PCL(2000)-PEG(5000)-MAL
PCL(5000)-PEG(5000)-MAL
PCL(10000)-PEG(5000)-MAL
PCL(1000)-PEG(10000)-MAL
PCL(2000)-PEG(10000)-MAL
PCL(5000)-PEG(10000)-MAL
PCL(10000)-PEG(10000)-MAL
PCL(1000)-PEG(1000)-Biotin
PCL(2000)-PEG(1000)-Biotin
PCL(5000)-PEG(1000)-Biotin
PCL(10000)-PEG(1000)-Biotin
PCL(1000)-PEG(2000)-Biotin
PCL(2000)-PEG(2000)-Biotin
PCL(5000)-PEG(2000)-Biotin
PCL(10000)-PEG(2000)-Biotin
PCL(1000)-PEG(5000)-Biotin
PCL(2000)-PEG(5000)-Biotin
PCL(5000)-PEG(5000)-Biotin
PCL(10000)-PEG(5000)-Biotin
PCL(1000)-PEG(10000)-Biotin
PCL(2000)-PEG(10000)-Biotin
PCL(5000)-PEG(10000)-Biotin
PCL(10000)-PEG(10000)-Biotin
PCL(1000)-PEG(1000)-NHS
PCL(2000)-PEG(1000)-NHS
PCL(5000)-PEG(1000)-NHS
PCL(10000)-PEG(1000)-NHS
PCL(1000)-PEG(2000)-NHS
PCL(2000)-PEG(2000)-NHS
PCL(5000)-PEG(2000)-NHS
PCL(10000)-PEG(2000)-NHS
PCL(1000)-PEG(5000)-NHS
PCL(2000)-PEG(5000)-NHS
PCL(5000)-PEG(5000)-NHS
PCL(10000)-PEG(5000)-NHS
PCL(1000)-PEG(10000)-NHS
PCL(2000)-PEG(10000)-NHS
PCL(5000)-PEG(10000)-NHS
PCL(10000)-PEG(10000)-NHS
PCL(1000)-PEG(1000)-N3
PCL(2000)-PEG(1000)-N3
PCL(5000)-PEG(1000)-N3
PCL(10000)-PEG(1000)-N3
PCL(1000)-PEG(2000)-N3
PCL(2000)-PEG(2000)-N3
PCL(5000)-PEG(2000)-N3
PCL(10000)-PEG(2000)-N3
PCL(1000)-PEG(5000)-N3
PCL(2000)-PEG(5000)-N3
PCL(5000)-PEG(5000)-N3
PCL(10000)-PEG(5000)-N3
PCL(1000)-PEG(10000)-N3
PCL(2000)-PEG(10000)-N3
PCL(5000)-PEG(10000)-N3
PCL(10000)-PEG(10000)-N3
PCL(1000)-PEG(1000)-FITC
PCL(2000)-PEG(1000)-FITC
PCL(5000)-PEG(1000)-FITC
PCL(10000)-PEG(1000)-FITC
PCL(1000)-PEG(2000)-FITC
PCL(2000)-PEG(2000)-FITC
PCL(5000)-PEG(2000)-FITC
PCL(10000)-PEG(2000)-FITC
PCL(1000)-PEG(5000)-FITC
PCL(2000)-PEG(5000)-FITC
PCL(5000)-PEG(5000)-FITC
PCL(10000)-PEG(5000)-FITC
PCL(1000)-PEG(10000)-FITC
PCL(2000)-PEG(10000)-FITC
PCL (5000)-PEG(10000)-FITC
PCL(10000)-PEG(10000)-FITC
PCL(1000)-PEG(1000)-SH
PCL(2000)-PEG(1000)-SH
PCL(5000)-PEG(1000)-SH
PCL(10000)-PEG(1000)-SH
PCL(1000)-PEG(2000)-SH
PCL(2000)-PEG(2000)-SH
PCL(5000)-PEG(2000)-SH
PCL(10000)-PEG(2000)-SH
PCL(1000)-PEG(5000)-SH
PCL(2000)-PEG(5000)-SH
PCL(5000)-PEG(5000)-SH
PCL(10000)-PEG(5000)-SH
PCL(1000)-PEG(10000)-SH
PCL(2000)-PEG(10000)-SH
PCL(5000)-PEG(10000)-SH
PCL(10000)-PEG(10000)-SH
PLGA(1000)-PEG(1000)-NH2
PLGA(2000)-PEG(1000)-NH2
PLGA(5000)-PEG(1000)-NH2
PLGA(10000)-PEG(1000)-NH2
PLGA(1000)-PEG(2000)-NH2
PLGA(2000)-PEG(2000)-NH2
PLGA(5000)-PEG(2000)-NH2
PLGA(10000)-PEG(2000)-NH2
PLGA(1000)-PEG(5000)-NH2
PLGA(2000)-PEG(5000)-NH2
PLGA(5000)-PEG(5000)-NH2
PLGA(10000)-PEG(5000)-NH2
PLGA(1000)-PEG(10000)-NH2
PLGA(2000)-PEG(10000)-NH2
PLGA(5000)-PEG(10000)-NH2
PLGA(10000)-PEG(10000)-NH2
PLGA(1000)-PEG(1000)-COOH
PLGA(2000)-PEG(1000)-COOH
PLGA(5000)-PEG(1000)-COOH
PLGA(10000)-PEG(1000)-COOH
PLGA(1000)-PEG(2000)-COOH
PLGA(2000)-PEG(2000)-COOH
PLGA(5000)-PEG(2000)-COOH
PLGA(10000)-PEG(2000)-COOH
PLGA(1000)-PEG(5000)-COOH
PLGA(2000)-PEG(5000)-COOH
PLGA(5000)-PEG(5000)-COOH
PLGA(10000)-PEG(5000)-COOH
PLGA(1000)-PEG(10000)-COOH
PLGA(2000)-PEG(10000)-COOH
PLGA(5000)-PEG(10000)-COOH
PLGA(10000)-PEG(10000)-COOH
PLGA(1000)-PEG(1000)-MAL
PLGA(2000)-PEG(1000)-MAL
PLGA(5000)-PEG(1000)-MAL
PLGA(10000)-PEG(1000)-MAL
PLGA(1000)-PEG(2000)-MAL
PLGA(2000)-PEG(2000)-MAL
PLGA(5000)-PEG(2000)-MAL
PLGA(10000)-PEG(2000)-MAL
PLGA(1000)-PEG(5000)-MAL
PLGA(2000)-PEG(5000)-MAL
PLGA(5000)-PEG(5000)-MAL
PLGA(10000)-PEG(5000)-MAL
PLGA(1000)-PEG(10000)-MAL
PLGA(2000)-PEG(10000)-MAL
PLGA(5000)-PEG(10000)-MAL
PLGA(10000)-PEG(10000)-MAL
PLGA(1000)-PEG(1000)-Biotin
PLGA(2000)-PEG(1000)-Biotin
PLGA(5000)-PEG(1000)-Biotin
PLGA(10000)-PEG(1000)-Biotin
PLGA(1000)-PEG(2000)-Biotin
PLGA(2000)-PEG(2000)-Biotin
PLGA(5000)-PEG(2000)-Biotin
PLGA(10000)-PEG(2000)-Biotin
PLGA(1000)-PEG(5000)-Biotin
PLGA(2000)-PEG(5000)-Biotin
PLGA(5000)-PEG(5000)-Biotin
PLGA(10000)-PEG(5000)-Biotin
PLGA(1000)-PEG(10000)-Biotin
PLGA(2000)-PEG(10000)-Biotin
PLGA(5000)-PEG(10000)-Biotin
PLGA(10000)-PEG(10000)-Biotin
PLGA(1000)-PEG(1000)-NHS
PLGA(2000)-PEG(1000)-NHS
PLGA(5000)-PEG(1000)-NHS
PLGA(10000)-PEG(1000)-NHS
PLGA(1000)-PEG(2000)-NHS
PLGA(2000)-PEG(2000)-NHS
PLGA(5000)-PEG(2000)-NHS
PLGA(10000)-PEG(2000)-NHS
PLGA(1000)-PEG(5000)-NHS
PLGA(2000)-PEG(5000)-NHS
PLGA(5000)-PEG(5000)-NHS
PLGA(10000)-PEG(5000)-NHS
PLGA(1000)-PEG(10000)-NHS
PLGA(2000)-PEG(10000)-NHS
PLGA(5000)-PEG(10000)-NHS
PLGA(10000)-PEG(10000)-NHS
PLGA(1000)-PEG(1000)-N3
PLGA(2000)-PEG(1000)-N3
PLGA(5000)-PEG(1000)-N3
PLGA(1000)-PEG(2000)-N3
PLGA(2000)-PEG(2000)-N3
PLGA(5000)-PEG(2000)-N3
PLGA(10000)-PEG(2000)-N3
PLGA(1000)-PEG(5000)-N3
PLGA(2000)-PEG(5000)-N3
PLGA(5000)-PEG(5000)-N3
PLGA(10000)-PEG(5000)-N3
PLGA(1000)-PEG(10000)-N3
PLGA(2000)-PEG(10000)-N3
PLGA(5000)-PEG(10000)-N3
PLGA(10000)-PEG(10000)-N3
PLGA(1000)-PEG(1000)-FITC
PLGA(2000)-PEG(1000)-FITC
PLGA(5000)-PEG(1000)-FITC
PLGA(10000)-PEG(1000)-FITC
PLGA(1000)-PEG(2000)-FITC
PLGA(2000)-PEG(2000)-FITC
PLGA(5000)-PEG(2000)-FITC
PLGA(10000)-PEG(2000)-FITC
PLGA(1000)-PEG(5000)-FITC
PLGA(2000)-PEG(5000)-FITC
PLGA(5000)-PEG(5000)-FITC
PLGA(10000)-PEG(5000)-FITC
PLGA(1000)-PEG(10000)-FITC
PLGA(2000)-PEG(10000)-FITC
PLGA(5000)-PEG(10000)-FITC
PLGA(10000)-PEG(10000)-FITC
PLGA(1000)-PEG(1000)-SH
PLGA(2000)-PEG(1000)-SH
PLGA(5000)-PEG(1000)-SH
PLGA(10000)-PEG(1000)-SH
PLGA(1000)-PEG(2000)-SH
PLGA(2000)-PEG(2000)-SH
PLGA(5000)-PEG(2000)-SH
PLGA(10000)-PEG(2000)-SH
PLGA(1000)-PEG(5000)-SH
PLGA(2000)-PEG(5000)-SH
PLGA(5000)-PEG(5000)-SH
PLGA(10000)-PEG(5000)-SH
PLGA(1000)-PEG(10000)-SH
PLGA(2000)-PEG(10000)-SH
PLGA(5000)-PEG(10000)-SH
PLGA(10000)-PEG(10000)-SH
PLGA(1000)-PEG(1000)-FA
PLGA(2000)-PEG(1000)-FA
PLGA(5000)-PEG(1000)-FA
PLGA(10000)-PEG(1000)-FA
PLGA(1000)-PEG(2000)-FA
PLGA(5000)-PEG(2000)-FA
PLGA(10000)-PEG(2000)-FA
PLGA(1000)-PEG(5000)-FA
PLGA(2000)-PEG(5000)-FA
PLGA(5000)-PEG(5000)-FA
PLGA(10000)-PEG(5000)-FA
PLGA(1000)-PEG(10000)-FA
PLGA(2000)-PEG(10000)-FA
PLGA(5000)-PEG(10000)-FA
PLGA(10000)-PEG(10000)-FA
，mPEG-PLA, PEG MW:2000&PLA MW:2000