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S100鈣結(jié)合蛋白A12(S100A12)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法)

ELISA Kit for S100 Calcium Binding Protein A12 (S100A12)

CGRP; P6; CAAF1; CAGC; ENRAGE; MRP6; Calgranulin C; Calcium-binding protein in amniotic fluid 1; Extracellular newly identified RAGE-binding; Migration inhibitory factor-related 6

  • S100鈣結(jié)合蛋白A12(S100A12)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法)產(chǎn)品包裝(模擬)
  • S100鈣結(jié)合蛋白A12(S100A12)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法)產(chǎn)品包裝(模擬)
  • S100鈣結(jié)合蛋白A12(S100A12)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法)實(shí)驗(yàn)結(jié)果圖
  • SEB080Hu.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(cè)S100鈣結(jié)合蛋白A12(S100A12)，經(jīng)檢測(cè)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(cè)，因此本試劑盒有可能與未經(jīng)檢測(cè)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S100鈣結(jié)合蛋白A12(S100A12)（加標(biāo)樣品），重復(fù)測(cè)定并計(jì)算其均值，回收率為測(cè)定值與理論值的比率。

樣本回收率范圍(%)平均回收率(%)
serum(n=5)98-105102
EDTA plasma(n=5)81-104101
heparin plasma(n=5)79-10182

精密度

精密度用樣品測(cè)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(cè),每份樣本連續(xù)測(cè)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(cè)定，每個(gè)樣本使用同一試劑盒重復(fù)測(cè)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S100鈣結(jié)合蛋白A12(S100A12)，并倍比稀釋成1:2，1:4，1:8，1:16的待測(cè)樣本，線性范圍即為稀釋后樣本中S100鈣結(jié)合蛋白A12(S100A12)含量的測(cè)定值與理論值的比率。

樣本1:21:41:81:16
serum(n=5)87-101%89-101%79-101%90-97%
EDTA plasma(n=5)80-104%92-102%78-98%86-95%
heparin plasma(n=5)83-99%88-102%85-103%93-101%

穩(wěn)定性

經(jīng)測(cè)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(cè)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）100µL，37°C孵育1小時(shí)；
3. 吸棄，加檢測(cè)溶液A100µL，37°C孵育1小時(shí)；
4. 洗板3次；
5. 加檢測(cè)溶液B100µL，37°C孵育30分鐘；
6. 洗板5次；
7. 加TMB底物90µL，37°C孵育10-20分鐘；
8. 加終止液50µL，立即450nm讀數(shù)。

實(shí)驗(yàn)原理

將S100鈣結(jié)合蛋白A12(S100A12)抗體包被于96孔微孔板中，制成固相載體，向微孔中分別加入標(biāo)準(zhǔn)品或標(biāo)本，其中的S100鈣結(jié)合蛋白A12(S100A12)與連接于固相載體上的抗體結(jié)合，然后加入生物素化的S100鈣結(jié)合蛋白A12(S100A12)抗體，將未結(jié)合的生物素化抗體洗凈后，加入HRP標(biāo)記的親和素，再次徹底洗滌后加入TMB底物顯色。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。顏色的深淺和樣品中的S100鈣結(jié)合蛋白A12(S100A12)呈正相關(guān)。用酶標(biāo)儀在450nm波長(zhǎng)下測(cè)定吸光度(O.D.值)，計(jì)算樣品濃度。

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編號(hào)適用物種：Homo sapiens (Human，人)應(yīng)用(僅供研究使用，不用于臨床診斷！)
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參考文獻(xiàn)

雜志參考文獻(xiàn)
Inflammation ResearchCorrelation of human S100A12 (EN-RAGE) and high-sensitivity C-reactive protein as gingival crevicular fluid and serum markers of inflammation in chronic periodontitis and type 2 diabetes[Pubmed: 24378957]
Dig Dis SciThe Circulating Level of Soluble Receptor for Advanced Glycation End Products Displays Different Patterns in Ulcerative Colitis and Crohn’s Disease: A Cross-Sectional Study[PubMed: 25757448]
The Journal of Clinical Endocrinology & MetabolismLow Endogenous Secretory Receptor for Advanced Glycation End-Products Levels Are Associated With Inflammation and Carotid Atherosclerosis in Prediabetes[Pubmed:26885882]
Nutrition, Metabolism, and Cardiovascular DiseasesHigh intake of dietary advanced glycation end-products is associated with increased arterial stiffness and inflammation in subjects with type 2 diabetes.[pubmed:28958695]
The Journal of Clinical Endocrinology & MetabolismHbA1c Identifies Subjects With Prediabetes and Subclinical Left Ventricular Diastolic Dysfunction.[pubmed:28973588]
Journal of Immunology ResearchA Granulocyte-Specific Protein S100A12 as a Potential Prognostic Factor Affecting Aggressiveness of Therapy in Patients with Juvenile Idiopathic Arthritis[Doi: 10.1155/2018/5349837]
Al-Azhar Assiut Medical JournalThe role of serum S100A12 (calgranulin C) as a diagnostic marker in Egyptian patients with irritable bowel syndrome and ulcerative colitis[Doi: 10.4103/AZMJ.AZMJ_52_18]
Acta?DiabetologicaAnalysis of S100A12 plasma levels in hyperlipidemic subjects with or without familial hypercholesterolemia[Pubmed: 30963307]
Cells1 h Postload Glycemia Is Associated with Low Endogenous Secretory Receptor for Advanced Glycation End Product Levels and Early Markers of Cardiovascular?…[]
Biomolecules . Multimarker Approach to Identify Patients with Coronary Artery Disease at High Risk for Subsequent Cardiac Adverse Events: The Multi-Biomarker Study[Pubmed: 32549327]
Mediators of InflammationAlarmins HMGB1, IL-33, S100A7, and S100A12 in Psoriasis Vulgaris[]
Animals (Basel)The Serum and Saliva Proteome of Dogs with Diabetes Mellitus[33271797]