成纖維細(xì)胞生長(zhǎng)因子21(FGF21)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)
Multiplex Assay Kit for Fibroblast Growth Factor 21 (FGF21) ,etc. by FLIA (Flow Luminescence Immunoassay)
(注:?jiǎn)未位鞙y(cè)多因子不超過8個(gè)指標(biāo) )
- 編號(hào)LMC918Ra
- 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)1.5h
- 檢測(cè)范圍0.2-200pg/mL
- 靈敏度最小可檢測(cè)劑量小于等于0.067 pg/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 8指標(biāo)數(shù) 7指標(biāo)數(shù) 6指標(biāo)數(shù) 5指標(biāo)數(shù) 4指標(biāo)數(shù) 3指標(biāo)數(shù) 2指標(biāo)數(shù)1指標(biāo)數(shù)
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特異性
本試劑盒用于檢測(cè)成纖維細(xì)胞生長(zhǎng)因子21(FGF21)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法),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成纖維細(xì)胞生長(zhǎng)因子21(FGF21)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)(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) | 97-105 | 101 |
EDTA plasma(n=5) | 92-101 | 97 |
heparin plasma(n=5) | 78-89 | 86 |
sodium citrate plasma(n=5) | 88-96 | 91 |
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)加入適量的成纖維細(xì)胞生長(zhǎng)因子21(FGF21)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法),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成纖維細(xì)胞生長(zhǎng)因子21(FGF21)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)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) | 90-97% | 81-99% | 97-105% | 88-101% |
EDTA plasma(n=5) | 85-95% | 82-93% | 85-104% | 84-93% |
heparin plasma(n=5) | 83-101% | 87-95% | 85-93% | 96-104% |
sodium citrate plasma(n=5) | 96-105% | 94-101% | 95-104% | 89-101% |
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、試劑及樣本準(zhǔn)備;
2. 加樣(標(biāo)準(zhǔn)品、樣本、磁珠、檢測(cè)溶液A)標(biāo)準(zhǔn)品或樣本50μL及磁珠10μL,加檢測(cè)溶液A50μL,
37°C酶標(biāo)板振蕩器孵育60分鐘;
3. 磁吸洗板3次;
4. 加檢測(cè)溶液B100μL,37°C振動(dòng)孵育30分鐘;
5. 磁吸洗板3次;
6. 加鞘液100μL,旋渦震蕩2分鐘后讀數(shù)。
實(shí)驗(yàn)原理
將成纖維細(xì)胞生長(zhǎng)因子21(FGF21)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)抗體包被于磁珠,制成固相載體,向微孔中分別加入標(biāo)準(zhǔn)品或標(biāo)本以及磁珠、標(biāo)記VEGFA,標(biāo)記的成纖維細(xì)胞生長(zhǎng)因子21(FGF21)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)和未標(biāo)記的成纖維細(xì)胞生長(zhǎng)因子21(FGF21)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)與連接于固相載體上的抗體競(jìng)爭(zhēng)結(jié)合,然后將未結(jié)合物洗凈后,加入PE標(biāo)記的親和素,再次徹底洗滌后即可上機(jī)讀數(shù)。MFI值和樣品中的成纖維細(xì)胞生長(zhǎng)因子21(FGF21)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)呈負(fù)相關(guān)。
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!) |
APC918Ra01 | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)活性蛋白 | Cell?culture;?Activity?Assays. |
RPC918Ra02 | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
EPC918Ra61 | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)真核蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
APC918Ra61 | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)活性蛋白 | Cell?culture;?Activity?Assays. |
RPC918Ra01 | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
PAC918Ra02 | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)多克隆抗體 | WB; IHC; ICC; IP. |
PAC918Ra01 | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)多克隆抗體 | WB; IHC; ICC; IP. |
MAC918Ra21 | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)單克隆抗體 | WB; IHC; ICC; IP. |
SEC918Ra | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
CEC918Ra | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
WEC918Ra | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法,寬范圍) | Enzyme-linked immunosorbent assay for Antigen Detection. |
CCC918Ra | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)檢測(cè)試劑盒(化學(xué)發(fā)光免疫分析法) | Chemiluminescent immunoassay for Antigen Detection. |
LMC918Ra | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法) | FLIA Kit for Antigen Detection. |
PGC918Ra01 | 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)引物對(duì) | PCR |
參考文獻(xiàn)
雜志 | 參考文獻(xiàn) |
Lipids in Health and Disease | Dietary moderately oxidized oil induces expression of fibroblast growth factor 21 in the liver of pigs [Lipidworld: source] |
Endocrinology | Orphan nuclear receptor Nur77 mediates fasting-induced hepatic fibroblast growth factor 21 expression [Endocrine:Source] |
Biochemical and Biophysical Research Communications | Alpha lipoic acid induces hepatic fibroblast growth factor 21 expression via up-regulation of CREBH [Pubmed:25449271] |
Free Radic Biol Med | Skeletal muscle increases FGF21 expression in mitochondrial disorders to compensate for energy metabolic insufficiency by activating the mTOR–YY1–PGC1α pathway [PubMed: 25843656] |
Journal of diabetes and its complications | Associations between FGF21, osteonectin and bone turnover markers in type 2 diabetic patients with albuminuria. [pubmed:27916484] |
American journal of the medical sciences | Association of Bone Metabolic Markers With Diabetic Retinopathy and Diabetic Macular Edema in Elderly Chinese Individuals With Type 2 Diabetes Mellitus [pubmed:29078839] |
Frontiers in Physiology | Ileal Transposition Surgery Decreases Fat Mass and Improves Glucose Metabolism in Diabetic GK Rats: Possible Involvement of FGF21 [Pubmed:29593555] |
Некоторые аспекты транспортной системы метаболизма железа в зависимости от степени синдрома перегрузки железом у детей с хроническим?… [] | |
Physiol Res | Fibroblast growth factor 21 (FGF21) in children and adolescents with chronic kidney disease. [Pubmed: 32469231] |
Chinese Journal of Osteoporosis | 2 型糖尿病患者血清FGF21, 骨連結(jié)蛋白和骨轉(zhuǎn)換指標(biāo)的相關(guān)性研究. [] |
Sci Rep | Ileal transposition helps to regulate plasma hepatokine levels in obese Zucker (Crl: ZUC (ORL)-Lepr fa) rats [33833309] |
Nutrients | The Speed of Ingestion of a Sugary Beverage Has an Effect on the Acute Metabolic Response to Fructose [] |
Medicine (Baltimore) | Association of serum fibroblast growth factor 21 with kidney function in a population-based Chinese cohort [34918690] |
Annals of Agricultural and Environmental Medicine | Oxidative stress-induced growth inhibitor 1 in alcohol-induced liver cirrhosis [34969228] |
J Magn Reson Imaging | Water Specific MRI T1 Mapping for Evaluating Liver Inflammation Activity Grades in Rats With Methionine‐Choline‐Deficient Diet‐Induced Nonalcoholic Fatty Liver?… [Pubmed:35212074] |
Lab Invest | Fibroblast growth factor 21, a stress regulator, inhibits Drp1 activation to alleviate skeletal muscle ischemia/reperfusion injury [Pubmed:35488034] |
Molecular Biology Reports | Umbilical cord-derived mesenchymal stem cell conditioned medium reverses neuronal oxidative injury by inhibition of TRPM2 activation and the JNK signaling?… [Pubmed:35585377] |
High Circulating Fibroblast Growth Factor-21 Levels as a Prognostic Marker in Fatty Pancreas Patients [] |