更新时间:2021-08-30
【预期用途】仅供(gong)科研使用(yong),本试剂(ji)(ji)盒(he)用(yong)于测定相关(guan)样本中植物(wu)线粒体(ti)呼吸链复合(he)体(ti)Ⅲ(MRCCⅢ)ELISA试剂(ji)(ji)盒(he)-活性(xing)含量。
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【样本要求(qiu)】
1.样本类型和采集
血(xue)清(qing):将(jiang)收集于(yu)血(xue)清(qing)分离管的全(quan)血(xue)标(biao)本在室温放置0.5-2小时或4℃过夜,然后1000×g离心20 分钟,取上清(qing)即可,或将(jiang)上清(qing)置于(yu)仅供(gong)科研(yan)使用(yong),不得(de)用(yong)于(yu)临(lin)床诊断。-20℃或-80℃保存,但应避免反复(fu)冻(dong)融(rong)。
血浆(jiang)(jiang):用(yong)(yong)(yong)EDTA或(huo)(huo)(huo)肝素作为(wei)抗凝剂(ji)采集(ji)标本(ben),并将(jiang)(jiang)(jiang)标本(ben)在采集(ji)后(hou)的(de)(de)30分钟内于(yu)2-8℃ 1000×g离(li)心(xin)(xin)15分钟,取(qu)上(shang)(shang)清即(ji)可(ke)检测(ce),或(huo)(huo)(huo)将(jiang)(jiang)(jiang)上(shang)(shang)清置于(yu)-20℃或(huo)(huo)(huo)-80℃保存,但应避(bi)免反复(fu)冻(dong)(dong)融(rong)。组(zu)织(zhi)匀(yun)浆(jiang)(jiang):用(yong)(yong)(yong)预冷的(de)(de)PBS (0.01M, pH=7.4)冲洗组(zu)织(zhi),去(qu)除残留血液(匀(yun)浆(jiang)(jiang)中(zhong)裂(lie)(lie)解的(de)(de)红细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao)会影响(xiang)测(ce)量结果),称重后(hou)将(jiang)(jiang)(jiang)剪(jian)碎(sui)(sui)的(de)(de)组(zu)织(zhi)与对(dui)应体(ti)积(ji)的(de)(de)PBS(一(yi)(yi)般按1:9的(de)(de)重量体(ti)积(ji)比,比如1g的(de)(de)组(zu)织(zhi)样品(pin)(pin)对(dui)应9mL的(de)(de)PBS,具体(ti)体(ti)积(ji)可(ke)根据实验(yan)需要适当调整,并做好记录。推荐在PBS中(zhong)加(jia)(jia)入(ru)(ru)蛋白(bai)(bai)酶抑制剂(ji))加(jia)(jia)入(ru)(ru)玻(bo)璃(li)匀(yun)浆(jiang)(jiang)器中(zhong),于(yu)冰上(shang)(shang)充分研磨。为(wei)了进(jin)一(yi)(yi)步裂(lie)(lie)解组(zu)织(zhi)细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao),可(ke)以对(dui)匀(yun)浆(jiang)(jiang)液进(jin)行超声破(po)碎(sui)(sui),或(huo)(huo)(huo)反复(fu)冻(dong)(dong)融(rong)。最后(hou)将(jiang)(jiang)(jiang)匀(yun)浆(jiang)(jiang)液于(yu)5000×g离(li)心(xin)(xin)5~10分钟,取(qu)上(shang)(shang)清即(ji)可(ke)检测(ce),或(huo)(huo)(huo)将(jiang)(jiang)(jiang)上(shang)(shang)清置于(yu)-20℃或(huo)(huo)(huo)-80℃保存,但应避(bi)免反复(fu)冻(dong)(dong)融(rong)。细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao)裂(lie)(lie)解液: 吸弃培养液,用(yong)(yong)(yong) PBS(0.01 M,pH 7.4)将(jiang)(jiang)(jiang)细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao)洗一(yi)(yi)遍。用(yong)(yong)(yong)细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao)刮刮下细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao)(不(bu)能用(yong)(yong)(yong)胰酶和 EDTA 处理),加(jia)(jia)入(ru)(ru) 2-5mL PBS(0.01 M,pH 7.4)。悬(xuan)(xuan)浮细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao)可(ke)省(sheng)略。收(shou)集(ji)细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao)悬(xuan)(xuan)液,4℃1000×g 离(li)心(xin)(xin) 10min,弃去(qu)培养基,用(yong)(yong)(yong)预冷的(de)(de) PBS 润洗 3 次(ci)。加(jia)(jia)入(ru)(ru)适量的(de)(de)预冷 PBS 或(huo)(huo)(huo)非变性细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao)裂(lie)(lie)解液(临(lin)用(yong)(yong)(yong)前(qian)加(jia)(jia)入(ru)(ru)蛋白(bai)(bai)酶抑制剂(ji))重悬(xuan)(xuan)细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao),通常 6 孔板一(yi)(yi)个(ge)孔的(de)(de)细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao)量需要 150-250μL PBS 重悬(xuan)(xuan)。 将(jiang)(jiang)(jiang)样品(pin)(pin)放入(ru)(ru)-20℃或(huo)(huo)(huo)-80℃,使(shi)样品(pin)(pin)冷冻(dong)(dong),再(zai)放室温解冻(dong)(dong)样品(pin)(pin),反复(fu)冻(dong)(dong)融(rong) 3 次(ci),使(shi)细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao)充分裂(lie)(lie)解,也可(ke)将(jiang)(jiang)(jiang)样品(pin)(pin)进(jin)行超声破(po)碎(sui)(sui),以达到裂(lie)(lie)解的(de)(de)目的(de)(de)。4℃ 10000×g 离(li)心(xin)(xin) 10min,除去(qu)细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao)碎(sui)(sui)片,取(qu)上(shang)(shang)清即(ji)可(ke)检测(ce),或(huo)(huo)(huo)将(jiang)(jiang)(jiang)上(shang)(shang)清置于(yu)-20℃或(huo)(huo)(huo)-80℃保存,但应避(bi)免反复(fu)冻(dong)(dong)融(rong)。细(xi)(xi)(xi)(xi)(xi)胞(bao)(bao)(bao)(bao)培养物上(shang)(shang)清或(huo)(huo)(huo)其(qi)它生物标本(ben):请1000×g离(li)心(xin)(xin)20分钟,取(qu)上(shang)(shang)清即(ji)可(ke)检测(ce),或(huo)(huo)(huo)将(jiang)(jiang)(jiang)上(shang)(shang)清置于(yu)-20℃或(huo)(huo)(huo)-80℃保存,但应避(bi)免反复(fu)冻(dong)(dong)融(rong)。.样本(ben)保存和稳(wen)定性样本(ben)在 2-8℃条件下,可(ke)以储存 72h,在- 20℃或(huo)(huo)(huo)-80℃可(ke)以储存6 个(ge)月(yue)及以上(shang)(shang)。样本(ben)收(shou)集(ji)后(hou),不(bu)是一(yi)(yi)次(ci)检测(ce)完,请按一(yi)(yi)次(ci)用(yong)(yong)(yong)量分装冻(dong)(dong)存,避(bi)免反复(fu)冻(dong)(dong)融(rong)