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DNS試劑(ji)(Ghose法)：DNS試劑(ji)-Ghose法主要成分(fen)是苯酚(fen)、氫(qing)氧化(hua)鈉(na)(na)、酒石酸(suan)(suan)鉀鈉(na)(na)、亞硫酸(suan)(suan)鈉(na)(na)和(he)3,5-二硝基水楊(yang)酸(suan)(suan),可用于測定(ding)植物總糖(tang)(tang)和(he)還(huan)(huan)原糖(tang)(tang)的(de)檢測, 其原理(li)是還(huan)(huan)原糖(tang)(tang)在堿(jian)性條件下被(bei)氧化(hua)成糖(tang)(tang)酸(suan)(suan),3,5-二硝基水楊(yang)酸(suan)(suan)被(bei)還(huan)(huan)原為(wei)棕紅色的(de)氨基化(hua)合(he)物,在一(yi)定(ding)范圍內還(huan)(huan)原糖(tang)(tang)的(de)量與棕紅色產物的(de)顏色深淺程度呈一(yi)定(ding)比例關(guan)系。

人(ren)(ren)工(gong)(gong)(gong)尿(niao)(niao)液(ye)（含肌酐）現貨(huo)：人(ren)(ren)工(gong)(gong)(gong)尿(niao)(niao)液(ye)是模擬(ni)尿(niao)(niao)液(ye)的組(zu)分和(he)pH 值的一種溶液(ye),又稱人(ren)(ren)工(gong)(gong)(gong)合(he)成尿(niao)(niao)液(ye)、模擬(ni)尿(niao)(niao)液(ye)、人(ren)(ren)工(gong)(gong)(gong)尿(niao)(niao)液(ye)試劑、人(ren)(ren)造尿(niao)(niao)水、 人(ren)(ren)工(gong)(gong)(gong)尿(niao)(niao)、人(ren)(ren)造尿(niao)(niao)。本人(ren)(ren)工(gong)(gong)(gong)尿(niao)(niao)液(ye)與真實的人(ren)(ren)體(ti)尿(niao)(niao)液(ye)液(ye)相(xiang)似度(du)大(da)于99.5%,pH 值4.7較常用。

Zamboni固(gu)(gu)(gu)定(ding)(ding)(ding)液(ye)現貨：固(gu)(gu)(gu)定(ding)(ding)(ding)的(de)(de)目的(de)(de)在(zai)于保存細(xi)胞和組織的(de)(de)原有形態(tai)結(jie)(jie)構，固(gu)(gu)(gu)定(ding)(ding)(ding)劑能阻止內源(yuan)性溶酶(mei)(mei)體酶(mei)(mei)對自身(shen)組織和細(xi)胞的(de)(de)自溶、抑制細(xi)菌(jun)和霉菌(jun)的(de)(de)生(sheng)長。固(gu)(gu)(gu)定(ding)(ding)(ding)劑通過凝固(gu)(gu)(gu)、生(sheng)成(cheng)添加化(hua)合物等(deng)使蛋白質內部結(jie)(jie)構發生(sheng)改變(bian)，從(cong)而(er)使酶(mei)(mei)失活。固(gu)(gu)(gu)定(ding)(ding)(ding)液(ye)分為醛(quan)類固(gu)(gu)(gu)定(ding)(ding)(ding)液(ye)、汞(gong)類固(gu)(gu)(gu)定(ding)(ding)(ding)液(ye)、醇(chun)(chun)類固(gu)(gu)(gu)定(ding)(ding)(ding)液(ye)、氧化(hua)劑類固(gu)(gu)(gu)定(ding)(ding)(ding)液(ye)、苦酸鹽類固(gu)(gu)(gu)定(ding)(ding)(ding)液(ye)等(deng)，較為常用的(de)(de)是醛(quan)類中的(de)(de)福爾(er)馬(ma)林、醇(chun)(chun)類中的(de)(de)乙醇(chun)(chun)。

雙鏈(lian)DNA中(zhong)和(he)緩(huan)沖(chong)液現貨(huo)：DNA 中(zhong)和(he)緩(huan)沖(chong)液Ⅱ用(yong)于將DNA 堿性轉移至尼龍(long)膜(mo)上,由(you)0.5M Tris-HCl (pH7.2)、氯(lv)化鈉等組成,不含蔗糖,可用(yong)于核酸雜(za)交,尤其(qi)適用(yong)于Southern blot 將DNA 轉移至尼龍(long)膜(mo)的(de)實驗。本(ben)試(shi)劑僅用(yong)于科研領域,不宜用(yong)于診(zhen)斷或(huo)其(qi)他用(yong)途。

雙(shuang)鏈(lian)(lian)DNA變性緩(huan)沖液現貨：雙(shuang)鏈(lian)(lian)DNA 變性緩(huan)沖液又稱為中(zhong)性轉移緩(huan)沖液，由1.5M NaCl 、微(wei)量(liang)NaOH 等(deng)組成，不含蔗糖，可用(yong)于核酸雜交等(deng)，尤其適(shi)用(yong)于Southern blot 實驗。本試劑(ji)僅(jin)用(yong)于科(ke)研領域，不宜用(yong)于診斷或其他(ta)用(yong)途。