膽囊收縮素(CCK)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法,小樣本)
Mini Samples ELISA Kit for Cholecystokinin (CCK)
CCK-PZ
- 編號(hào)MEA802Ra
- 物種Rattus norvegicus (Rat,大鼠) 相同的名稱,不同的物種。
- 實(shí)驗(yàn)方法競爭抑制
- 反應(yīng)時(shí)長3h
- 檢測范圍9.88-800pg/mL
- 靈敏度最小可檢測劑量小于等于3.39pg/mL.
- 樣本類型Serum, plasma and other biological fluids
- 下載 英文說明書 中文說明書
- 規(guī)格 48T96T 96T*5 96T*10 96T*100
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特異性
本試劑盒用于檢測膽囊收縮素(CCK)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法,小樣本),經(jīng)檢測與其它相似物質(zhì)無明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來源的限制,不可能完成對所有相關(guān)或相似物質(zhì)交叉反應(yīng)檢測,因此本試劑盒有可能與未經(jīng)檢測的其它物質(zhì)有交叉反應(yīng)。
回收率
分別于定值血清及血漿樣本中加入一定量的膽囊收縮素(CCK)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法,小樣本)(加標(biāo)樣品),重復(fù)測定并計(jì)算其均值,回收率為測定值與理論值的比率。
樣本 | 回收率范圍(%) | 平均回收率(%) |
serum(n=5) | 87-94 | 90 |
EDTA plasma(n=5) | 81-94 | 85 |
heparin plasma(n=5) | 96-105 | 101 |
精密度
精密度用樣品測定值的變異系數(shù)CV表示。CV(%) = SD/mean×100
批內(nèi)差:取同批次試劑盒對低、中、高值定值樣本進(jìn)行定量檢測,每份樣本連續(xù)測定20 次,分別計(jì)算不同濃度樣本的平均值及SD值。
批間差:選取3個(gè)不同批次的試劑盒分別對低、中、高值定值樣本進(jìn)行定量測定,每個(gè)樣本使用同一試劑盒重復(fù)測定8次,分別計(jì)算不同濃度樣本的平均值及SD值。
批內(nèi)差: CV<10%
批間差: CV<12%
線性
在定值血清及血漿樣本內(nèi)加入適量的膽囊收縮素(CCK)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法,小樣本),并倍比稀釋成1:2,1:4,1:8,1:16的待測樣本,線性范圍即為稀釋后樣本中膽囊收縮素(CCK)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法,小樣本)含量的測定值與理論值的比率。
樣本 | 1:2 | 1:4 | 1:8 | 1:16 |
serum(n=5) | 81-97% | 98-105% | 84-104% | 89-99% |
EDTA plasma(n=5) | 80-95% | 78-95% | 99-105% | 95-104% |
heparin plasma(n=5) | 85-102% | 78-90% | 86-96% | 84-91% |
穩(wěn)定性
經(jīng)測定,試劑盒在有效期內(nèi)按推薦溫度保存,其活性降低率小于5%。
為減小外部因素對試劑盒破壞前后檢測值的影響,實(shí)驗(yàn)室的環(huán)境條件需盡量保持一致,尤其是實(shí)驗(yàn)室內(nèi)溫度、濕度及溫育條件。其次由同一實(shí)驗(yàn)員來進(jìn)行操作可減少人為誤差。
實(shí)驗(yàn)流程
1. 實(shí)驗(yàn)前標(biāo)準(zhǔn)品、試劑及樣本的準(zhǔn)備;
2. 加樣(標(biāo)準(zhǔn)品及樣本)25µL后,立即加入檢測溶液A25µL,
37°C孵育1小時(shí);
3. 甩干,洗板3次;
4. 加檢測溶液B50µL,37°C孵育30分鐘;
5. 洗板5次;
6. 加TMB底物50µL,37°C孵育10-20分鐘;
7. 加終止液25µL,立即450nm讀數(shù)。
實(shí)驗(yàn)原理
本試劑盒應(yīng)用競爭抑制酶聯(lián)免疫分析法測定標(biāo)本中待測物質(zhì)水平。將膽囊收縮素(CCK)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法,小樣本)單克隆抗體包被微孔板,制成固相載體,往包被抗體的微孔中同時(shí)加入生物素標(biāo)記的抗原和待測抗原(標(biāo)準(zhǔn)品或樣本),待測抗原與生物素標(biāo)記抗原對特異性抗體進(jìn)行競爭結(jié)合。溫育后經(jīng)洗滌去掉未結(jié)合物,然后加入HRP標(biāo)記的親和素,經(jīng)過溫育和徹底洗滌后加入底物TMB顯色。TMB在過氧化物酶的催化下轉(zhuǎn)化成藍(lán)色,并在酸的作用下轉(zhuǎn)化成最終的黃色。待測標(biāo)本濃度越高,標(biāo)記抗原和抗體的結(jié)合就越受到抑制,顯色愈淺。顯色的深淺與酶量呈正相關(guān),而與樣品中待測物質(zhì)含量呈負(fù)相關(guān)。用酶標(biāo)儀在450nm波長下測定吸光度(O.D.值),計(jì)算樣品濃度。
贈(zèng)品
增值服務(wù)
相關(guān)產(chǎn)品
編號(hào) | 適用物種:Rattus norvegicus (Rat,大鼠) | 應(yīng)用(僅供研究使用,不用于臨床診斷!) |
RPA802Ra01 | 膽囊收縮素(CCK)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
PAA802Ra01 | 膽囊收縮素(CCK)多克隆抗體 | WB; IHC; ICC; IP. |
LAA802Ra71 | 膽囊收縮素(CCK)多克隆抗體(生物素標(biāo)記) | WB; IHC; ICC. |
MAA802Ra29 | 膽囊收縮素(CCK)單克隆抗體 | WB; IHC; ICC; IP. |
MAA802Ra27 | 膽囊收縮素(CCK)單克隆抗體 | WB; IHC; ICC; IP. |
MAA802Ra25 | 膽囊收縮素(CCK)單克隆抗體 | WB; IHC; ICC; IP. |
MAA802Ra21 | 膽囊收縮素(CCK)單克隆抗體 | WB; IHC |
MAA802Ra23 | 膽囊收縮素(CCK)單克隆抗體 | WB; IHC; ICC; IP. |
MAA802Ra22 | 膽囊收縮素(CCK)單克隆抗體 | WB; IHC; ICC; IP. |
MAA802Ra24 | 膽囊收縮素(CCK)單克隆抗體 | WB; IHC; ICC; IP. |
MEA802Ra | 膽囊收縮素(CCK)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法,小樣本) | Enzyme-linked immunosorbent assay for Antigen Detection. |
CEA802Ra | 膽囊收縮素(CCK)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
LMA802Ra | 膽囊收縮素(CCK)等多因子檢測試劑盒(流式熒光發(fā)光法) | FLIA Kit for Antigen Detection. |
參考文獻(xiàn)
雜志 | 參考文獻(xiàn) |
Journal of Obstetrics and Gynaecology Research? | Disturbed release of cholecystokinin in pregnant women with hyperemesis gravidarum [Pubmed:25331205] |
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Cellular physiology and biochemistry | Cholecystokinin Expression in the Development of Postinfarction Heart Failure. [pubmed:29130944] |
JOURNAL?OF?PHARMACEUTICAL SCIENCES | Assessment of the role of cholecystokinin in hyperemesis gravidarum and correlation with its severity [:] |
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Chinese Medicine | Hejie Zhitong prescription promotes sleep and inhibits nociceptive transmission-associated neurotransmitter activity in a rodent migraine model [Pubmed: 33014123] |
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