胰高血糖素(GCG)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法)
ELISA Kit for Glucagon (GCG)
GC; GLP1; GLP2; GRPP; Glicentin-Related Polypeptide; Glucagen; Oxyntomodulin; Incretin hormone
- 編號(hào)UCEB266Ra
- 物種Rattus norvegicus (Rat，大鼠) 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18.52-1,500pg/mL
- 靈敏度最小可檢測(cè)劑量小于等于8.15pg/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 48T96T 96T*5 96T*10 96T*100
- 價(jià)格 ¥ 1516 ¥ 2166 ¥ 9747 ¥ 18411 ¥ 151620
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產(chǎn)品包裝(模擬)
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產(chǎn)品包裝(模擬)
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實(shí)驗(yàn)結(jié)果圖
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標(biāo)準(zhǔn)曲線圖
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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)胰高血糖素(GCG)，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胰高血糖素(GCG)（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) | 86-105 | 102 |
| EDTA plasma(n=5) | 80-102 | 85 |
| heparin plasma(n=5) | 95-104 | 99 |
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)加入適量的胰高血糖素(GCG)，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胰高血糖素(GCG)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) | 89-101% | 78-91% | 85-103% | 80-93% |
| EDTA plasma(n=5) | 87-97% | 78-94% | 78-95% | 79-101% |
| heparin plasma(n=5) | 93-101% | 99-105% | 79-91% | 80-96% |
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。將胰高血糖素(GCG)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。
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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！) |
| URPB266Ra01 | 胰高血糖素(GCG)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| UPAB266Ra01 | 胰高血糖素(GCG)多克隆抗體 | WB; IHC; ICC; IP. |
| UMAB266Ra21 | 胰高血糖素(GCG)單克隆抗體 | WB; IHC; ICC; IP. |
| UCEB266Ra | 胰高血糖素(GCG)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| ULMB266Ra | 胰高血糖素(GCG)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法) | FLIA Kit for Antigen Detection. |
| UKSB266Ra11 | 胰高血糖素(GCG)檢測(cè)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) |
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| European Journal of Endocrinology | Specificity and sensitivity of commercially available assays for glucagon and oxyntomodulin measurement in human [Eje-online: Source] |
| American Diabetes Association | IL-21 is a major negative regulator of IRF4-dependent lipolysis affecting Tregs in adipose tissue and systemic insulin sensitivity [Pubmed:24430438] |
| Journal of Pharmacy and Pharmacology | Enzogenol improves diabetes-related metabolic change in C57BL/KsJ-db/db?mice, a model of type 2 diabetes mellitus [Pubmed:24611864] |
| European Journal of Pharmacology | Subcutaneous administration of liraglutide ameliorates learning and memory impairment by modulating tau hyperphosphorylation via the glycogen synthase kinase-3尾 pathway in an amyloid 尾 protein induced alzheimer disease mouse model [Pubmed:27131827] |
| Appl Physiol Nutr Metab | The glucoreCavia (Guinea pig )latory response to high-intensity aerobic exercise following training in rats with insulin-treated type 1 diabetes mellitus [Pubmed:27175938] |
| American Journal of Translational Research | Subcutaneous liraglutide ameliorates methylglyoxal-induced Alzheimer-like tau pathology and cognitive impairment by modulating tau hyperphosphorylation and glycogen synthase kinase-3β. [pubmed:28337257] |
| Biomedicine & Pharmacotherapy | Vitamin?D3?intake?as?regulator?of?insulin?degrading?enzyme?and?insulin?receptor?phosphorylationin?diabetic?rats. [pubmed:27930980] |
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| Frontiers in Endocrinology | RFRP-3, the Mammalian Ortholog of GnIH, Is a Novel Modulator Involved in Food Intake and Glucose Homeostasis [Pubmed: 32328034] |
| Molecular Medicine Reports | Acarbose ameliorates spontaneous type?2 diabetes in db/db mice by inhibiting PDX?1 methylation [Pubmed: 33236139] |
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