肝细胞含大量的分泌颗粒，呈现强的蛋白酶及弱的非特异性酯酶和脂酶活性。
The liver cells are piled up secretory granules, and show activity of strong proteinase, weak non specific esterase and lipase.
如此经盲传若干代，可用荧光抗体检测到在细胞浆内有特异性的荧光颗粒出现。
When some blind passages were done, specific fluorescent particles were detected in cell plasm by fluorescent antibody assays.
病毒颗粒可以包裹一种多肽，能够和整合素特异性结合。
The virus particles could be coated externally with peptides that bind to integrins.
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