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)
- 編號(hào)CEB892Ra
- 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2h
- 檢測范圍2.47-200pg/mL
- 靈敏度最小可檢測劑量小于等于0.86pg/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
- 價(jià)格 ¥ 3032 ¥ 4332 ¥ 19494 ¥ 36822 ¥ 303240
- 欲了解實(shí)際交易價(jià)格和更多情況,請(qǐng)與當(dāng)?shù)亟?jīng)銷商聯(lián)系!
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。
贈(zèng)品
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] |