人*原C(PGC)測(cè)定盒
中文名稱：人*原C(PGC)測(cè)定盒
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本試劑盒應(yīng)用雙抗體夾心法測(cè)定標(biāo)本中人*原C(PGC)測(cè)定盒水平。用純化的抗體包被微孔板，制成固相抗體，往包被單抗的微孔中依次加入，再與HRP標(biāo)記的結(jié)合，形成抗體-抗原-酶標(biāo)抗體復(fù)合物，經(jīng)過*洗滌后加底物TMB顯色。TMB在HRP酶的催化下轉(zhuǎn)化成藍(lán)色，并在酸的作用下轉(zhuǎn)化成zui終的黃色。顏色的深淺和樣品中的呈正相關(guān)。用酶標(biāo)儀在450nm波長下測(cè)定吸光度（OD值），通過標(biāo)準(zhǔn)曲線計(jì)算樣品中的濃度。
加樣在ELISA中一般有3次加樣步聚，即加標(biāo)本，加酶結(jié)合物，加底物。加樣時(shí)應(yīng)將所加物加在LEISA板孔的底部，避免加在孔壁上部，并注意不可濺出，不可產(chǎn)生氣泡。加標(biāo)本一般用微量加樣器，按規(guī)定的量加入板孔中。每次加標(biāo)本應(yīng)更換吸嘴，以免發(fā)生交叉污染，也可用一次性的定量塑料管加樣。有此測(cè)定（如間接法ELISA）需用稀釋的血清，可在試管中按規(guī)定的稀釋度稀釋后再加樣。也可在板孔中加入稀釋液，再在其中加入血清標(biāo)本，然后在微型震蕩器上震蕩1分鐘以保證混和。加酶結(jié)合物應(yīng)用液和底物應(yīng)用液時(shí)可用定量多道加液器，使加液過程迅速完成。
The E-Z 96? Mag-Bind? Tissue RNA Kit provides a novel technology for total RNA isolation from plant and animal tissues. This kit allows the rapid and reliable isolation of high-quality total cellular RNA from a wide variety of tissues. Samples are first lysed in a specially formulated buffer and then proteins and DNA are precipitated. The Supertanent is combined with magentic beads and after a couple of quick wash steps pure RNA is eluted. Unlike column-based systems, the binding of nucleic acids to magnetic partciles occurs in solution, resulting in increased binding kinetics and binding efficiency. Particles are also completly re-suspended during the wash steps of the purification protocol, which enhances contact with the wash buffer and removal of contaminants and increasing nucleic acid purity. E.Z.N.A.? Mag-Bind? Tissue RNA procedure can be automated with most robotic workstations。
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