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同型對(duì)照(Isotype Control)是指與一抗的物種、亞型、劑量及標(biāo)記相同的抗體,但對(duì)待分析樣本類(lèi)型中未知分析物具有特異性,旨在用于消除由于抗體非特異性結(jié)合而產(chǎn)生的背景信號(hào)。
同型對(duì)照常用于流式細(xì)胞實(shí)驗(yàn),在流式細(xì)胞術(shù)中,同型對(duì)照用于區(qū)分真正的陽(yáng)性信號(hào)和非特異性結(jié)合或背景熒光。通過(guò)使用具有相同同型但不與目標(biāo)抗原結(jié)合的抗體,研究人員可以減去由非特異性相互作用引起的背景噪音,確保檢測(cè)到的信號(hào)確實(shí)是由于主要抗體與目標(biāo)之間的相互作用。這在免疫表型分析等實(shí)驗(yàn)中至關(guān)重要,其中要求準(zhǔn)確識(shí)別細(xì)胞群體。
同型對(duì)照還廣泛應(yīng)用于Western blot、ELISA和免疫組化(IHC)等技術(shù),確保這些實(shí)驗(yàn)中觀察到的結(jié)合是由于抗體與目標(biāo)抗原之間的特異性相互作用,而非交叉反應(yīng)或其他非特異性相互作用。此外,同型對(duì)照對(duì)于評(píng)估新抗體的性能和優(yōu)化實(shí)驗(yàn)條件也非常有用。它們作為負(fù)對(duì)照在實(shí)驗(yàn)中起到?jīng)]有結(jié)合的預(yù)期作用,幫助識(shí)別數(shù)據(jù)中的潛在誤差或不一致性。
締碼生物的同型對(duì)照抗體是以 雞蛋溶菌酶 (Hen egg lysozyme,HEL) 為抗原在哺乳動(dòng)物細(xì)胞中表達(dá)的重組抗體。該抗原蛋白在人與小鼠中均不存在,從而避免了發(fā)生交叉反應(yīng)。?
Biosimilar reference antibodies
SKU: BME100273 Target: HEL
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100272 Target: HEL
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100271 Target: HEL
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100212P Target: HEL
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100211P Target: HEL
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100210P Target: HEL
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100212B Target: HEL
Application: ELISA, Flow Cyt
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100211B Target: HEL
Application: ELISA, Flow Cyt
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100210B Target: HEL
Application: ELISA, Flow Cyt
Price: 50 μg ¥890.00 ; 100 μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100212 Target: HEL
Application: ELISA, Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100211 Target: HEL
Application: ELISA, Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100210 Target: HEL
Application: ELISA, Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00