trace selective 中文意思是什麼
trace selective
解釋
選擇追蹤-
Molecularly imprinted polymer can be used to highly selective separation and enrichment of trace analyte in complicated biological, medicine and environmental samples because of its characteristics of high selectivity, chemical stability, easy preparation, so the application of molecular imprinting technique in sample pretreatment was especially remarkable
分子印跡聚合物具有選擇性高、穩定性好及制備簡單的特點，可用於生物、醫藥、環境樣品等復雜基體中痕量分析物的高選擇性分離與富集，因此在樣品前處理中的應用特別引人關注。 -
No trace of any newly expressed protein band was noticed in supernant as well as in the cells by sds - page, except the verification of the substitution of beta - galactosidase gene ( the lose of galactosidase protein band ), which is a selective marker of the wild - type virus. elisa test results suggested the expression of egf in cells, but not in culture supernant. the quantitative calculation suggested the expressed egf was about 6 - 7 u g ( as egf standard ) per flask ( 2 > < 106 cells ) in the cellular extract
將重組病毒rbmbacph - egf以10moi感染bmn細胞， 72小時后收集培養細胞和上清；培養上清和經超聲波處理的細胞樣品elisa檢測發現胞內樣品中存在能與egf抗體免疫反應的產物，粗略估計表達量約6 7 g 2 10 ~ 6個細胞（相當于egf標準品） ；重組病毒rbmbacph - egf穿刺接種5齡家蠶幼蟲，每隔24h收集蠶血淋巴，經elisa檢測發現第4天表達量最高，根據egf標準曲線計算蠶血淋巴的表達量約32 g ml ； elisa定性實驗還發現正常蠶血也存在與egf抗體間交叉反應的物質。
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