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YY肽(PYY)等多因子檢測試劑盒(流式熒光發(fā)光法)

Multiplex Assay Kit for Peptide YY (PYY) ,etc. by FLIA (Flow Luminescence Immunoassay)

PYY1; Peptide tyrosine tyrosine

(注:單次混測多因子不超過8個(gè)指標(biāo) )

  • YY肽(PYY)等多因子檢測試劑盒(流式熒光發(fā)光法) 產(chǎn)品包裝(模擬)
  • YY肽(PYY)等多因子檢測試劑盒(流式熒光發(fā)光法) 產(chǎn)品包裝(模擬)
  • 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YY肽(PYY)等多因子檢測試劑盒(流式熒光發(fā)光法),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YY肽(PYY)等多因子檢測試劑盒(流式熒光發(fā)光法)(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) 98-105 102
EDTA plasma(n=5) 78-101 90
heparin plasma(n=5) 92-101 96
sodium citrate plasma(n=5) 96-104 101

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YY肽(PYY)等多因子檢測試劑盒(流式熒光發(fā)光法),并倍比稀釋成1:2,1:4,1:8,1:16的待測樣本,線性范圍即為稀釋后樣本中YY肽(PYY)等多因子檢測試劑盒(流式熒光發(fā)光法)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) 80-99% 79-88% 83-91% 93-105%
EDTA plasma(n=5) 81-105% 78-94% 89-96% 99-105%
heparin plasma(n=5) 91-99% 83-94% 82-89% 85-96%
sodium citrate plasma(n=5) 92-105% 89-101% 95-102% 88-98%

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、試劑及樣本準(zhǔn)備;
2. 加樣(標(biāo)準(zhǔn)品、樣本、磁珠、檢測溶液A)標(biāo)準(zhǔn)品或樣本50μL及磁珠10μL,加檢測溶液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YY肽(PYY)等多因子檢測試劑盒(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YY肽(PYY)等多因子檢測試劑盒(流式熒光發(fā)光法)和未標(biāo)記的YY肽(PYY)等多因子檢測試劑盒(流式熒光發(fā)光法)與連接于固相載體上的抗體競爭結(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YY肽(PYY)等多因子檢測試劑盒(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:Mus musculus (Mouse,小鼠) 應(yīng)用(僅供研究使用,不用于臨床診斷!)
RPB067Mu02 YY肽(PYY)重組蛋白 Positive Control; Immunogen; SDS-PAGE; WB.
RPB067Mu01 YY肽(PYY)重組蛋白 Positive Control; Immunogen; SDS-PAGE; WB.
SPB067Mu01 YY肽(PYY)合成多肽 Immunogen; Blocking Peptide.
CPB067Mu21 YY肽(PYY)卵白蛋白偶聯(lián)物 Immunogen; SDS-PAGE; WB.
PAB067Mu02 YY肽(PYY)多克隆抗體 WB; IHC; ICC; IP.
PAB067Mu01 YY肽(PYY)多克隆抗體 WB; IHC; ICC; IP.
CEB067Mu YY肽(PYY)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) Enzyme-linked immunosorbent assay for Antigen Detection.
MEB067Mu YY肽(PYY)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法,小樣本) Enzyme-linked immunosorbent assay for Antigen Detection.
LMB067Mu YY肽(PYY)等多因子檢測試劑盒(流式熒光發(fā)光法) FLIA Kit for Antigen Detection.
KSB067Mu11 YY肽(PYY)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)
International Journal of Sport Studies The Effects of Concurrent Resistance and Endurance Exercise on Hunger Feelings and PYY in Obese Men [Com:Source]
Annals of Applied Sport Science Effect of an Acute Incremental Exercise on Plasma Peptide YY, Neuropeptide Y and IGF-1 Concentrations in Young Athletes [Aassjournal:Source]
Biomedical Reports Calprotectin in serum and zonulin in serum and feces are elevated after introduction of a diet with lower carbohydrate content and higher fiber, fat and protein contents. [pubmed:28413639]
Acta Diabetologica Effect of lifestyle improvement program on the biomarkersof adiposity, inflammation and gut hormones in overweight/obese Asian Indians with prediabetes [pubmed:28620678]
Biomedical Reports Calprotectin in serum and zonulin in serum and feces are elevated after introduction of a diet with lower carbohydrate content and higher fiber, fat and protein contents [10.3892/br.2017.865]
Journal of Diabetes & Metabolism High Fiber Fat and Protein Contents Lead to Increased Satiety Reduced Sweet Cravings and Decreased Gastrointestinal Symptoms Independently of Anthropometric Hormonal and Metabolic Factors [10.4172/2155-6156.1000733?]
Frontiers in Physiology Ileal Transposition Surgery Decreases Fat Mass and Improves Glucose Metabolism in Diabetic GK Rats: Possible Involvement of FGF21 [Pubmed:29593555]
Food?and Nutrition?Research Alignments of endocrine, anthropometric, and metabolic parameters in type 2 diabetes after intervention with an Okinawa-based Nordic diet [Pubmed:29599686]
The Journal of Nutrition Grape Seed Proanthocyanidin Affects Lipid Metabolism via Changing Gut Microflora and Enhancing Propionate Production in Weaned Pigs [Pubmed: 31175811]
The Journal of Nutritional Biochemistry Bile acid receptor TGR5 is critically involved in preference for dietary lipids and obesity [Pubmed: 31812910]
Arch Toxicol Serotonin involvement in okadaic acid-induced diarrhoea in vivo [34148100]
foods Appetite and Satiety Effects of the Acute and Regular Consumption of Green Coffee Phenols and Green Coffee Phenol/Oat β-Glucan Nutraceuticals in Subjects with?… [34828792]
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