Pico488-dsDNA定量試劑盒:耐受性好,易于使用
dsDNA定量:
酶聯(lián)免疫吸附法聯(lián)合定量檢測(cè)抗?dsDNA?抗體和抗?ssDNA?抗體篩查,對(duì)疑似患者可以采用特異性高的檢測(cè)方法如間接免疫熒光法輔助確認(rèn)。一般認(rèn)為,抗雙鏈?DNA?抗體檢測(cè)的“金標(biāo)準(zhǔn)”為放射免疫法、以短膜蟲(chóng)作為抗原基質(zhì)的短膜蟲(chóng)間接免疫熒光法。放射免疫法敏感性強(qiáng),短膜蟲(chóng)間接免疫熒光法特異性更佳,均應(yīng)進(jìn)行定量或滴度測(cè)定。
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Pico488是一種極為靈敏的熒光核酸染料,常用于雙鏈DNA的定量檢測(cè)。歷來(lái)DNA濃度的測(cè)定在cDNA文庫(kù)的構(gòu)建,DNA亞克隆、PCR產(chǎn)物的估測(cè)等領(lǐng)域中具有重要意義,疫苗等生物制品中殘留微量DNA的檢測(cè)更是直接關(guān)系到人類的健康。
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B1102?Pico488-dsDNA定量試劑盒應(yīng)用:測(cè)定微量的DNA殘留(如疫苗生產(chǎn));對(duì)DNA樣品進(jìn)行精確定量。
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Kit for quantitative measurement of double-stranded DNA in samples in the presence of RNA, proteins, and common contaminants. Pico488 allows to quantitate as little as low pg/mL of dsDNA. The range of linearity for DNA concentration measurements
is 1 pg/μL?–?5 ng/μL so the sensitivity of this kit can be rated as Ultra High (UHS).
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The kit contains Pico488 dye, buffer, and DNA standard for the measurements. It is compatible with fluorometers, fluorescent plate readers, cuvette and microvolume fluorometers.
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艾美捷B1102?Pico488-dsDNA定量試劑盒特點(diǎn):
相比傳統(tǒng)的方法,如紫外吸光法(A260)、探針雜交法、Hoechst 33258染料法等,Pico488 dsDNA?定量具有以下優(yōu)勢(shì):
①靈敏度高:數(shù)量級(jí)較UV吸光讀數(shù)更敏感,檢測(cè)范圍為:1pg/ul–5ng/ul,可節(jié)省寶貴的樣品;
②特異性強(qiáng):在等摩爾的RNA存在的條件下,對(duì)dsDNA具有特異性;
③耐受性好:耐受較高濃度的鹽、尿素、乙醇、lv仿、去垢劑、蛋白或瓊脂糖,可以直接定量PCR擴(kuò)增產(chǎn)物而無(wú)需從反應(yīng)混合物中純化DNA;
④易于使用:只需在樣品中加入染料,等待5分鐘,然后讀數(shù)即可,且適用于24和96孔板;與市面上的大多數(shù)熒光酶標(biāo)儀和熒光計(jì)兼容;
⑤適用范圍廣:可適用于PCR的分析、芯片樣品、DNA損傷分析、酶活性分析、基因組DNA定量以及復(fù)雜混合物中dsDNA的檢測(cè)和病毒DNA定量等多種領(lǐng)域。
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Pico488-dsDNA定量試劑盒引用文獻(xiàn)賞析;
Caza, F.; Granger Joly de Boissel, P.; Villemur, R.; Betoulle, S.; St-Pierre, Y. Liquid biopsies for omics-based analysis in sentinel mussels. PLoS One, 2019, 14(10), e0223525. doi: 10.1371/journal.pone.0223525
Crupi, A.N.; Nunnelee, J.S.; Taylor, D.J.; Thomas, A.; Vit, J.-P.; Riera, C.E.; Gottlieb, R.A.; Goodridge, H.S. Oxidative muscles have better mitochondrial homeostasis than glycolytic muscles throughout life and maintain mitochondrial function during aging. Aging, 2018, 10(11), 3327–3352. doi: 10.18632/aging.101643