大鼠睪(gao)酮(T)酶聯免疫分析(ELISA)
試劑盒使用說明書
本(ben)試劑僅供研究使(shi)用
目的:本(ben)(ben)試(shi)劑盒用于測定(ding)大鼠血(xue)清,血(xue)漿及相關液體樣本(ben)(ben)中(zhong)睪酮(T)含量(liang)。
實驗(yan)原理:
本試(shi)劑盒應(ying)用雙(shuang)抗(kang)(kang)(kang)體(ti)夾(jia)心法測(ce)定標(biao)(biao)(biao)本中(zhong)大(da)(da)鼠睪(gao)酮(T)水平。用純化(hua)的(de)大(da)(da)鼠睪(gao)酮(T)抗(kang)(kang)(kang)體(ti)包被(bei)微(wei)孔(kong)板,制成固相抗(kang)(kang)(kang)體(ti),往(wang)包被(bei)單抗(kang)(kang)(kang)的(de)微(wei)孔(kong)中(zhong)依次加入睪(gao)酮(T),再與(yu)HRP標(biao)(biao)(biao)記的(de)睪(gao)酮(T)抗(kang)(kang)(kang)體(ti)結(jie)合,形成抗(kang)(kang)(kang)體(ti)-抗(kang)(kang)(kang)原(yuan)-酶標(biao)(biao)(biao)抗(kang)(kang)(kang)體(ti)復(fu)合物,經過*洗滌后加底(di)物TMB顯色。TMB在HRP酶的(de)催化(hua)下(xia)轉化(hua)成藍色,并在酸的(de)作用下(xia)轉化(hua)成zui終的(de)黃色。顏色的(de)深淺和(he)樣品中(zhong)的(de)睪(gao)酮(T)呈正(zheng)相關。用酶標(biao)(biao)(biao)儀(yi)在450nm波長下(xia)測(ce)定吸光(guang)度(du)(OD值),通過標(biao)(biao)(biao)準曲線計算樣品中(zhong)大(da)(da)鼠睪(gao)酮(T)濃度(du)。
試劑盒組(zu)成:
試劑(ji)盒組成 | 48孔配置 | 96孔配置 | 保存 |
說明書(shu) | 1份 | 1份(fen) | |
封(feng)板膜(mo) | 2片(48) | 2片(96) | |
密封袋 | 1個 | 1個 | |
酶標包被板 | 1×48 | 1×96 | 2-8℃保存 |
標(biao)準品:180 nmol/L | 0.5ml×1瓶 | 0.5ml×1瓶(ping) | 2-8℃保存 |
標(biao)準品稀釋液 | 1.5ml×1瓶 | 1.5ml×1瓶 | 2-8℃保存(cun) |
酶標(biao)試(shi)劑(ji) | 3 ml×1瓶 | 6 ml×1瓶 | 2-8℃保存(cun) |
樣品(pin)稀釋液 | 3 ml×1瓶(ping) | 6 ml×1瓶 | 2-8℃保存 |
顯色劑A液(ye) | 3 ml×1瓶 | 6 ml×1瓶(ping) | 2-8℃保(bao)存 |
顯(xian)色劑B液 | 3 ml×1瓶(ping) | 6 ml×1瓶 | 2-8℃保存 |
終止液 | 3ml×1瓶 | 6ml×1瓶 | 2-8℃保存 |
濃縮洗滌液 | (20ml×20倍)×1瓶 | (20ml×30倍)×1瓶 | 2-8℃保存 |
樣本(ben)處(chu)理及要求:
1.血(xue)清:室溫(wen)血(xue)液自然凝固(gu)10-20分(fen)鐘(zhong)(zhong),離(li)(li)心20分(fen)鐘(zhong)(zhong)左右(2000-3000轉/分(fen))。仔細收(shou)集上清,保存過程(cheng)中如出現沉淀(dian),應再次(ci)離(li)(li)心。
2.血漿:應根據(ju)標本(ben)的(de)要求(qiu)選擇EDTA、者檸檬酸鈉或肝素(su)作(zuo)為抗凝劑,混合10-20分(fen)鐘(zhong)后,離(li)心20分(fen)鐘(zhong)左右(2000-3000轉/分(fen))。仔細收集(ji)上(shang)清,保存過(guo)程中如有沉淀形成,應該再(zai)次離(li)心。
3.尿液(ye):用無菌(jun)管(guan)收(shou)集,離心20分(fen)鐘左右(2000-3000轉/分(fen))。仔細收(shou)集上清,保存過程中(zhong)如有沉淀形成,應再次離心。胸腹水、腦脊液(ye)參照實(shi)行。
4.細(xi)(xi)胞培養上清(qing):檢測(ce)分(fen)(fen)泌性的成(cheng)份(fen)時,用無菌管(guan)收集。離心(xin)(xin)(xin)20分(fen)(fen)鐘左右(you)(2000-3000轉(zhuan)(zhuan)/分(fen)(fen))。仔(zi)(zi)細(xi)(xi)收集上清(qing)。檢測(ce)細(xi)(xi)胞內(nei)的成(cheng)份(fen)時,用PBS(PH7.2-7.4)稀釋細(xi)(xi)胞懸液,細(xi)(xi)胞濃度達到(dao)100萬/ml左右(you)。通過(guo)反復凍融,以使細(xi)(xi)胞破壞并放出細(xi)(xi)胞內(nei)成(cheng)份(fen)。離心(xin)(xin)(xin)20分(fen)(fen)鐘左右(you)(2000-3000轉(zhuan)(zhuan)/分(fen)(fen))。仔(zi)(zi)細(xi)(xi)收集上清(qing)。保存(cun)過(guo)程中(zhong)如有沉淀形成(cheng),應再次離心(xin)(xin)(xin)。
5.組織標本(ben)(ben)(ben):切割標本(ben)(ben)(ben)后(hou)(hou),稱取重量。加入一(yi)(yi)(yi)定量的PBS,PH7.4。用液氮迅速冷(leng)凍保存備用。標本(ben)(ben)(ben)融化后(hou)(hou)仍然保持2-8℃的溫度。加入一(yi)(yi)(yi)定量的PBS(PH7.4),用手工或(huo)勻(yun)漿器將標本(ben)(ben)(ben)勻(yun)漿充(chong)分(fen)。離(li)心20分(fen)鐘(zhong)左右(2000-3000轉/分(fen))。仔細(xi)收集上(shang)清(qing)。分(fen)裝(zhuang)后(hou)(hou)一(yi)(yi)(yi)份(fen)待檢測,其余冷(leng)凍備用。
操作步驟
- 標(biao)(biao)(biao)準(zhun)品(pin)(pin)(pin)(pin)的稀釋(shi)與加(jia)(jia)樣(yang):在酶(mei)標(biao)(biao)(biao)包被板上設(she)標(biao)(biao)(biao)準(zhun)品(pin)(pin)(pin)(pin)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)10孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong),在*、第(di)(di)(di)(di)(di)二(er)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)中(zhong)(zhong)分(fen)別(bie)(bie)加(jia)(jia)標(biao)(biao)(biao)準(zhun)品(pin)(pin)(pin)(pin)100μl,然后(hou)(hou)在*、第(di)(di)(di)(di)(di)二(er)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)中(zhong)(zhong)加(jia)(jia)標(biao)(biao)(biao)準(zhun)品(pin)(pin)(pin)(pin)稀釋(shi)液(ye)50μl,混(hun)(hun)(hun)勻(yun)(yun)(yun)(yun);然后(hou)(hou)從*孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)、第(di)(di)(di)(di)(di)二(er)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)中(zhong)(zhong)各(ge)取(qu)(qu)100μl分(fen)別(bie)(bie)加(jia)(jia)到(dao)第(di)(di)(di)(di)(di)三孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)和(he)第(di)(di)(di)(di)(di)四(si)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong),再在第(di)(di)(di)(di)(di)三、第(di)(di)(di)(di)(di)四(si)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)分(fen)別(bie)(bie)加(jia)(jia)標(biao)(biao)(biao)準(zhun)品(pin)(pin)(pin)(pin)稀釋(shi)液(ye)50μl,混(hun)(hun)(hun)勻(yun)(yun)(yun)(yun);然后(hou)(hou)在第(di)(di)(di)(di)(di)三孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)和(he)第(di)(di)(di)(di)(di)四(si)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)中(zhong)(zhong)先(xian)各(ge)取(qu)(qu)50μl棄(qi)掉(diao),再各(ge)取(qu)(qu)50μl分(fen)別(bie)(bie)加(jia)(jia)到(dao)第(di)(di)(di)(di)(di)五(wu)(wu)、第(di)(di)(di)(di)(di)六(liu)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)中(zhong)(zhong),再在第(di)(di)(di)(di)(di)五(wu)(wu)、第(di)(di)(di)(di)(di)六(liu)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)中(zhong)(zhong)分(fen)別(bie)(bie)加(jia)(jia)標(biao)(biao)(biao)準(zhun)品(pin)(pin)(pin)(pin)稀釋(shi)液(ye)50ul,混(hun)(hun)(hun)勻(yun)(yun)(yun)(yun);混(hun)(hun)(hun)勻(yun)(yun)(yun)(yun)后(hou)(hou)從第(di)(di)(di)(di)(di)五(wu)(wu)、第(di)(di)(di)(di)(di)六(liu)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)中(zhong)(zhong)各(ge)取(qu)(qu)50μl分(fen)別(bie)(bie)加(jia)(jia)到(dao)第(di)(di)(di)(di)(di)七(qi)、第(di)(di)(di)(di)(di)八孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)中(zhong)(zhong),再在第(di)(di)(di)(di)(di)七(qi)、第(di)(di)(di)(di)(di)八孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)中(zhong)(zhong)分(fen)別(bie)(bie)加(jia)(jia)標(biao)(biao)(biao)準(zhun)品(pin)(pin)(pin)(pin)稀釋(shi)液(ye)50μl,混(hun)(hun)(hun)勻(yun)(yun)(yun)(yun)后(hou)(hou)從第(di)(di)(di)(di)(di)七(qi)、第(di)(di)(di)(di)(di)八孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)中(zhong)(zhong)分(fen)別(bie)(bie)取(qu)(qu)50μl加(jia)(jia)到(dao)第(di)(di)(di)(di)(di)九、第(di)(di)(di)(di)(di)十(shi)(shi)(shi)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)中(zhong)(zhong),再在第(di)(di)(di)(di)(di)九第(di)(di)(di)(di)(di)十(shi)(shi)(shi)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)分(fen)別(bie)(bie)加(jia)(jia)標(biao)(biao)(biao)準(zhun)品(pin)(pin)(pin)(pin)稀釋(shi)液(ye)50μl,混(hun)(hun)(hun)勻(yun)(yun)(yun)(yun)后(hou)(hou)從第(di)(di)(di)(di)(di)九第(di)(di)(di)(di)(di)十(shi)(shi)(shi)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)中(zhong)(zhong)各(ge)取(qu)(qu)50μl棄(qi)掉(diao)。(稀釋(shi)后(hou)(hou)各(ge)孔(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)加(jia)(jia)樣(yang)量都為(wei)50μl,濃(nong)度分(fen)別(bie)(bie)為(wei)120 nmol/L,80nmol/L ,40 nmol/L,20 nmol/L,10 nmol/L)。
- 加(jia)(jia)樣(yang):分別設空白(bai)孔(kong)(kong)(kong)(空白(bai)對照孔(kong)(kong)(kong)不(bu)(bu)加(jia)(jia)樣(yang)品及(ji)酶標(biao)試(shi)劑,其(qi)余各(ge)步操作(zuo)相同)、待(dai)測樣(yang)品孔(kong)(kong)(kong)。在酶標(biao)包被板(ban)上(shang)待(dai)測樣(yang)品孔(kong)(kong)(kong)中先加(jia)(jia)樣(yang)品稀釋液40μl,然(ran)后(hou)再加(jia)(jia)待(dai)測樣(yang)品10μl(樣(yang)品zui終稀釋度為5倍)。加(jia)(jia)樣(yang)將樣(yang)品加(jia)(jia)于酶標(biao)板(ban)孔(kong)(kong)(kong)底部,盡量不(bu)(bu)觸及(ji)孔(kong)(kong)(kong)壁,輕輕晃動混勻。
- 溫育:用封(feng)(feng)板膜封(feng)(feng)板后置(zhi)37℃溫育30分(fen)鐘。
- 配液:將30(48T的20倍)倍濃縮(suo)洗滌液用蒸餾水(shui)30(48T的20倍)倍稀釋后備用。
- 洗(xi)滌(di):小心揭(jie)掉封板膜(mo),棄去(qu)液(ye)體(ti),甩干,每孔(kong)加(jia)滿洗(xi)滌(di)液(ye),靜置30秒后棄去(qu),如(ru)此重復5次,拍干。
- 加酶:每孔(kong)加入酶標試劑50μl,空白(bai)孔(kong)除外。
- 溫育:操作同3。
- 洗(xi)滌:操作同5。
- 顯色(se):每孔先加入(ru)顯色(se)劑(ji)A50μl,再加入(ru)顯色(se)劑(ji)B50μl,輕(qing)輕(qing)震蕩混勻,37℃避(bi)光顯色15分鐘.
- 終(zhong)止:每(mei)孔加終(zhong)止液(ye)50μl,終(zhong)止反應(此(ci)時藍(lan)色立轉黃色)。
- 測(ce)定:以(yi)空(kong)白空(kong)調(diao)零,450nm波長依序測(ce)量各(ge)孔(kong)的(de)吸光度(OD值)。 測(ce)定應在(zai)加(jia)終止液(ye)后(hou)15分鐘(zhong)以(yi)內進行。
注意事項:
- 試劑盒從冷藏環境中取出應(ying)在室溫(wen)平衡15-30分(fen)鐘后方可使用,酶(mei)標(biao)包被板(ban)開封后如未用完,板(ban)條應(ying)裝入密封袋中保存(cun)。
- 濃洗滌液可(ke)能會有結晶析出,稀釋時可(ke)在水浴中加溫助溶,洗滌時不影響結果。
- 各步(bu)加(jia)(jia)樣(yang)均(jun)應使(shi)用加(jia)(jia)樣(yang)器,并經(jing)常(chang)校對其準確性,以避免(mian)試驗誤差。一(yi)次(ci)加(jia)(jia)樣(yang)時間(jian)控(kong)制(zhi)在(zai)5分鐘內,如標本數量多,推薦使(shi)用排槍(qiang)加(jia)(jia)樣(yang)。
- 請(qing)每次測定(ding)的(de)同(tong)時(shi)做標準(zhun)曲線,做復孔(kong)。如標本(ben)中待測物質含量過高(樣(yang)本(ben)OD值大于標準(zhun)品孔(kong)*孔(kong)的(de)OD值),請(qing)先用(yong)樣(yang)品稀釋液稀釋一(yi)定(ding)倍(bei)數(shu)(shu)(n倍(bei))后再(zai)測定(ding),計算(suan)時(shi)請(qing)zui后乘以總稀釋倍(bei)數(shu)(shu)(×n×5)。
- 封板膜只限一(yi)次性使用,以避免(mian)交(jiao)叉污染。
- 底物(wu)請避光保(bao)存。
- 嚴(yan)格按(an)照說明書的操(cao)作進(jin)行,試(shi)驗結果判定必須以酶標儀讀數為(wei)準.
- 所有樣品,洗滌液和各種廢(fei)棄物都應按傳染物處理。
- 本試(shi)劑不同批(pi)號組(zu)分不得(de)混用。
10. 如與英文說明書有異,以英文說明書為準(zhun)。
計算:
以標準物的濃度為橫(heng)坐標,OD值為縱坐標,
在坐標紙上繪(hui)出標準曲線,根(gen)據樣品的OD
值由標準曲線(xian)查出相應的濃度;再(zai)乘以稀釋
倍數;或用標準物的濃度與OD值計(ji)算(suan)出(chu)標
準曲線(xian)的直線(xian)回歸方程式,將樣品的OD值
代入方程式,計(ji)算(suan)出樣品濃度,再乘以稀釋
倍數,即(ji)為樣品的實(shi)際(ji)濃度。
試(shi)劑盒性能:
1.樣品(pin)線性(xing)回歸與預(yu)期濃度相關系數R值為0.95以上。
2.批內與批見(jian)應分(fen)別小于9%和11%
檢測范圍:
0.13 ng/ml-25.6 ng/ml
靈(ling)敏度:
0.06 ng/ml
保存(cun)條件及有效期:
1.試劑盒保(bao)存(cun):;2-8℃。
2.有效期:6個(ge)月