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Salusin肽α(SALa)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法)

ELISA Kit for Salusin Alpha (SALa)

  • Salusin肽α(SALa)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 產(chǎn)品包裝(模擬)
  • Salusin肽α(SALa)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 產(chǎn)品包裝(模擬)
  • Salusin肽α(SALa)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 實(shí)驗(yàn)結(jié)果圖
  • CEB892Ra.jpg 標(biāo)準(zhǔn)曲線圖
  • Certificate 通過ISO 9001、ISO 13485質(zhì)量體系認(rèn)證

特異性

本試劑盒用于檢測Salusin肽α(SALa),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(duì)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Salusin肽α(SALa)(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) 78-95 91
EDTA plasma(n=5) 96-105 101
heparin plasma(n=5) 80-91 87

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(duì)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(duì)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Salusin肽α(SALa),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Salusin肽α(SALa)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) 78-97% 96-103% 88-102% 96-104%
EDTA plasma(n=5) 88-104% 86-94% 94-103% 79-91%
heparin plasma(n=5) 98-105% 80-94% 78-101% 92-101%

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(duì)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)50µL,
    加入50µL檢測液A(臨用前配制);
    37°C溫育1小時(shí)。
3. 洗板3次;
4. 加檢測溶液B100µL,37°C孵育30分鐘;
5. 洗板5次;
6. 加TMB底物90µL,37°C孵育10-20分鐘;
7. 加終止液50µL,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Salusin肽α(SALa)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(duì)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。

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!)
CEB892Ra Salusin肽α(SALa)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) Enzyme-linked immunosorbent assay for Antigen Detection.
LMB892Ra Salusin肽α(SALa)等多因子檢測試劑盒(流式熒光發(fā)光法) FLIA Kit for Antigen Detection.
KSB892Ra11 Salusin肽α(SALa)檢測試劑盒DIY材料(酶聯(lián)免疫吸附試驗(yàn)法) Main materials for "Do It (ELISA Kit) Yourself".

參考文獻(xiàn)

雜志 參考文獻(xiàn)
Peptides The bioactive peptides salusins and apelin–36 are produced in human arterial and venous tissues and the changes of their levels during cardiopulmonary bypass [PubMed: 22884920]
Department of Medical Biochemistry and Clinical Biochemistry Presence of adropin, nesfatin-1, apelin-12, ghrelins and salusins peptides in the milk, cheese whey and plasma of dairy cows [ScienceDirect: S0196978113000533]
European Journal of Obstetrics & Gynecology and Reproductive Biology Association of low maternal levels of salusins with gestational diabetes mellitus and with small-for-gestational-age fetuses. [PubMed: 23178004]
Biotechnic & Histochemistry Salusin-alpha and -beta expression in heart and aorta with and without metabolic syndrome [Pubmed: 23957705]
Peptides Concentrations of preptin, salusins and hepcidins in plasma and milk of lactating women with or without gestational diabetes mellitus [ScienceDirect: S0196978113003100]
Med Sci Monit. Brain, Liver, and Serum Salusin-alpha and-beta Alterations in Sprague-Dawley Rats with or Without Metabolic Syndrome [Pubmed:Pmc4136931]
Pediatr Nephrol. Is the serum level of salusin-β associated with hypertension and atherosclerosis in the pediatric population? [Pubmed:25245503]
European Journal of Dermatology Serum salusin-α and salusin-β levels in patients with psoriasis [PubMed: 26055619]
Gynecol Endocrinol Serum salusins levels are increased and correlated positively with cyst size in ovarian endometrioma [PubMed: 26008602]
Multiple Sclerosis and?Related?Disorders Increased level of Plasma Salusin-α and Salusin-β in patients with Multiple Sclerosis [Pubmed: 30738876]
cardiology in the young Salusin-α levels are negatively correlated with diastolic blood pressure in children with obesity [Pubmed: 31486354]
Drug and Chemical Toxicology Salusin-α mitigates diabetic nephropathy via inhibition of the Akt/mTORC1/p70S6K signaling pathway in diabetic rats [Pubmed: 31665937]
Journal of international medical research Salusin-β is superior to salusin-α as a marker for evaluating coronary atherosclerosis [Pubmed: 32054363]
J Ultrasound Med Targeted Delivery of Salusin?\|á into Rabbit Carotid Arterial Endothelium Using SonoVue [33818784]
Food Science & Nutrition Inhibition of oxidative stress and apoptosis by camel milk mitigates cyclosporine?\induced nephrotoxicity: Targeting Nrf2/HO?\1 and AKT/eNOS/NO pathways [34136182]
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