降鈣素原(PCT)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法)
ELISA Kit for Procalcitonin (PCT)
Pro-Calcitonin
- 編號(hào)CEA689Rb
- 物種Oryctolagus cuniculus (Rabbit，兔)相同的名稱，不同的物種。
- 實(shí)驗(yàn)方法競(jìng)爭(zhēng)抑制
- 反應(yīng)時(shí)長(zhǎng)2h
- 檢測(cè)范圍24.69-2,000pg/mL
- 靈敏度最小可檢測(cè)劑量小于等于9.19pg/mL.
- 樣本類型serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
- 下載英文說明書 中文說明書
- 規(guī)格48T96T96T*596T*1096T*100
- 價(jià)格¥ 2873¥ 4104¥ 18468¥ 34884¥ 287280
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產(chǎn)品包裝(模擬)
產(chǎn)品包裝(模擬)
實(shí)驗(yàn)結(jié)果圖
標(biāo)準(zhǔn)曲線圖
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)降鈣素原(PCT)，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降鈣素原(PCT)（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) | 95-104 | 99 |
| EDTA plasma(n=5) | 92-99 | 96 |
| heparin plasma(n=5) | 93-101 | 97 |
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)加入適量的降鈣素原(PCT)，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降鈣素原(PCT)含量的測(cè)定值與理論值的比率。
| 樣本 | 1:2 | 1:4 | 1:8 | 1:16 |
| serum(n=5) | 96-104% | 82-96% | 84-94% | 78-92% |
| EDTA plasma(n=5) | 79-90% | 83-97% | 80-94% | 95-102% |
| heparin plasma(n=5) | 82-96% | 80-96% | 78-104% | 89-98% |
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）50µL，
加入50µL檢測(cè)液A(臨用前配制);
37°C溫育1小時(shí)。
3. 洗板3次；
4. 加檢測(cè)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(jìng)爭(zhēng)抑制酶聯(lián)免疫分析法測(cè)定標(biāo)本中待測(cè)物質(zhì)水平。將降鈣素原(PCT)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(cè)抗原(標(biāo)準(zhǔn)品或樣本)，待測(cè)抗原與生物素標(biāo)記抗原對(duì)特異性抗體進(jìn)行競(jìng)爭(zhēng)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(cè)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(cè)物質(zhì)含量呈負(fù)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。
贈(zèng)品
相關(guān)產(chǎn)品
| 編號(hào) | 適用物種：Oryctolagus cuniculus (Rabbit，兔) | 應(yīng)用(僅供研究使用，不用于臨床診斷！) |
| EPA689Rb61 | 降鈣素原(PCT)真核蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| CEA689Rb | 降鈣素原(PCT)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| LMA689Rb | 降鈣素原(PCT)等多因子檢測(cè)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) |
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| International Journal of Radiation Oncology ? Biology ? Physics | Effects of Berberine Against Radiation-Induced Intestinal Injury in Mice[PubMed: 20637981] |
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| Egyptian Journal of Bronchology | Serum procalcitonin and its relation to the outcome of ventilator-associated pneumoniain children[Essbronchology: Source] |
| University of Waikato | The Assessment of Vitamin D, Antimicrobial Peptides and Procalcitonin in Bronchiectasis[Waikato:Source] |
| Egyptian Journal of Medical Microbiology | Evaluation of the Diagnostic Utility of Fc Gamma Receptor Type 1 (nCD64) and Procalcitonin in Comparison with Conventional Methods for Diagnosis of Early Onset Neonatal Sepsis[Ejmm:Source] |
| Nigerian Medical Journal | Efficacy of measuring procalcitonin levels in determination of prognosis and early diagnosis of bacterial resistance in sepsis[Pubmed:25657488] |
| Wiley online library | The use and value of procalcitonin in solid organ transplantation[PubMed: 25996831] |
| Balkan Med J | Diagnostic Value of Procalcitonin Levels in Acute Mesenteric Ischemia[PubMed: 26185718] |
| The Journal of Clinical Endocrinology & Metabolism | Macrocalcitonin is a novel pitfall in the routine of serum calcitonin immunoassay[PubMed: 26647152] |
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| International Immunopharmacology | Consistency and pathophysiological characterization of a rat polymicrobial sepsis model via the improved cecal ligation and puncture surgery[Pubmed:26802602] |
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| Acta?Medica | Risk Factors?of?Acute?Pancreatitis?in?Oral?Double Balloon Enteroscopy.[pubmed:27638962] |
| The Clinical Respiratory Journal | Changes in inflammatory mediators as a result of intermittent hypoxia in obstructive sleep apnea syndrome[pubmed:28960823] |
| SHOCK | INTERLEUKIN-1 RECEPTOR 2: A NEW BIOMARKER FOR SEPSIS DIAGNOSIS AND GRAM-NEGATIVE/GRAM-POSITIVE BACTERIAL DIFFERENTIATION[pubmed:27984536] |
| Cellular?Physiology and Biochemistry | Hepatic Macrophages are the Cell Source of Hepatic Procalcitonin in Acute Liver Failure[Pubmed:29913443] |
| Archives of Medical Science | Inflammatory mediators in the diagnosis and treatment of acute pancreatitis: pentraxin-3, procalcitonin and myeloperoxidase[Pubmed:29593801] |
| Journal of Thoracic Disease | Expression pattern of soluble triggering receptor expressed on myeloid cells-1 in mice with Acinetobacter baumannii colonization and infection in the lung[Pubmed:29707313] |
| Asian?Journal of Psychiatry | Procalcitonin and C-reactive protein as peripheral inflammatory markers in antipsychotic drug-free schizophrenia patients[Pubmed:29723719] |
| European Review for Medical and Pharmacological Sciences | The predictive value of joint detection of serum amyloid protein A, PCT, and Hs-CRP in the diagnosis and efficacy of neonatal septicemia.[Pubmed: 31298341] |
| Medicina | Modestly Elevated Serum Procalcitonin Levels in Patients with Rheumatoid Arthritis Free of Active Infection[Pubmed: 33080909] |
| MEDIATORS OF INFLAMMATION | Reevaluation of Lung Injury in TNF-Induced Shock: The Role of the Acid Sphingomyelinase[Pubmed: 32410851] |
| Early label-free analysis of mitochondrial redox states by Raman spectroscopy predicts septic outcomes[] | |
| Journal of Immunology Research | Moesin Is a Novel Biomarker of Endothelial Injury in Sepsis[33628853] |
| Journal of Medical Biochemistry | Circulating nuclear factor-kappa B mediates cancer-associated inflammation in human breast and colon cancer[33776564] |
| Surg Endosc | Original contribution: sleeve gastrectomy reduces soluble lectin-like oxidized low-density lipoprotein receptor-1 (sLOX-1) levels in patients with morbid obesity[Pubmed:35044516] |
| Bone Res | Procalcitonin is expressed in osteoblasts and limits bone resorption through inhibition of macrophage migration during intermittent PTH treatment[Pubmed:35087025] |
