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目的:制备99mTc-肼基烟酰胺(hydrazino-nicotinamide,HYNIC)-网蛋白靶向肽(plectin targeted peptide,PTP),探讨其用于胰腺癌单光子发射计算机断层成像(single photon emission computed tomography,SPECT)的可行性。方法:PTP多肽N端赖氨酸残基游离的氨基分别与HYNIC和异硫氰酸荧光素(fluorescein isothiocyanate,FITC)反应,制备HYNIC-PTP和F