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γ-氨基丁酸(gABA)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法)

ELISA Kit for Gamma-Aminobutyric Acid (gABA)

4-Aminobutyric Acid

  • γ-氨基丁酸(gABA)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 產(chǎn)品包裝(模擬)
  • γ-氨基丁酸(gABA)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 產(chǎn)品包裝(模擬)
  • γ-氨基丁酸(gABA)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
  • CEA900Ge.jpg 標(biāo)準(zhǔn)曲線圖
  • Certificate 通過(guò)ISO 9001、ISO 13485質(zhì)量體系認(rèn)證

特異性

本試劑盒用于檢測(cè)γ-氨基丁酸(gABA),經(jīng)檢測(cè)與其它相似物質(zhì)無(wú)明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來(lái)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γ-氨基丁酸(gABA)(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) 91-99 95
EDTA plasma(n=5) 79-101 96
heparin plasma(n=5) 99-105 102

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γ-氨基丁酸(gABA),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γ-氨基丁酸(gABA)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) 97-104% 78-95% 79-98% 94-103%
EDTA plasma(n=5) 87-95% 90-98% 80-91% 80-95%
heparin plasma(n=5) 83-102% 91-98% 95-102% 95-102%

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(lái)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γ-氨基丁酸(gABA)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(guò)溫育和徹底洗滌后加入底物TMB顯色。TMB在過(guò)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。

相關(guān)產(chǎn)品

編號(hào) 適用物種:Pan-species (General,通用) 應(yīng)用(僅供研究使用,不用于臨床診斷!)
UCPA900Ge11 γ-氨基丁酸(gABA)牛血清白蛋白偶聯(lián)物 Immunogen; SDS-PAGE; WB.
UCPA900Ge21 γ-氨基丁酸(gABA)卵白蛋白偶聯(lián)物 Immunogen; SDS-PAGE; WB.
UCPA900Ge41 γ-氨基丁酸(gABA)人血清白蛋白偶聯(lián)物 Immunogen; SDS-PAGE; WB.
UPAA900Ge01 γ-氨基丁酸(gABA)多克隆抗體 ELISA
UPAA900Ge02 γ-氨基丁酸(gABA)多克隆抗體 ELISA, CLIA. / IHC-Fr, ICC, IP (predicted).
ULAA900Ge71 γ-氨基丁酸(gABA)多克隆抗體(生物素標(biāo)記) WB; IHC; ICC.
ULAA900Ge81 γ-氨基丁酸(gABA)多克隆抗體(異硫氰酸熒光素標(biāo)記) WB; IHC; ICC; IF.
UCEA900Ge γ-氨基丁酸(gABA)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) Enzyme-linked immunosorbent assay for Antigen Detection.
UAEA900Ge 抗γ-氨基丁酸抗體(Anti-gABA)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) Enzyme-linked immunosorbent assay for Antibody Detection.
ULMA900Ge γ-氨基丁酸(gABA)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法) FLIA Kit for Antigen Detection.
UKSA900Ge11 γ-氨基丁酸(gABA)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)
Toxicology and Industrial Health Effect of sub-acute exposure to acrylamide on GABAergic neurons and astrocytes in weaning rat cerebellum [PubMed: 21444355]
Neurosci Lett Expression of the neuron-specific potassium chloride cotransporter KCC2 in adult rat cochlear. [PubMed: 18577424]
Biomark Insights Decreased Epidermal Growth Factor (EGF) Associated with HMGB1 and Increased Hyperactivity in Children with Autism [PubMed: PMC3623607]
Biomarker insights Correlation Between Hepatocyte Growth Factor (HGF) and Gamma-Aminobutyric Acid (GABA) Plasma Levels in Autistic Children [PubMed: PMC3694825]
Biomarker insights Decreased Hepatocyte Growth Factor (HGF) and Gamma Aminobutyric Acid (GABA) in Individuals with Obsessive-Compulsive Disorder (OCD) [PubMed: PMC3762604]
Scientific Reports Renal Denervation Improves the Baroreflex and GABA System in Chronic Kidney Disease-induced Hypertension [pubmed:27917928]
Journal of Neuroscience Sex differences in the glutamate signaling pathway in juvenile rats [Pubmed:28861894]
Scientific Reports A novel homozygous mutation in GAD1 gene described in a schizophrenic patient impairs activity and dimerization of GAD67 enzyme [Pubmed: 30341396]
Neurochemical?Research Aucubin Alleviates Seizures Activity in Li-Pilocarpine-Induced Epileptic Mice: Involvement of Inhibition of Neuroinflammation and Regulation of Neurotransmission [Pubmed: 30666488]
Neuroscience?Letters Differentiation of human glioblastoma U87 cells into cholinergic neuron [Pubmed: 30928478]
Neurochemical Journal Glutamate Signaling Defects in Propionic Acid Orally Administered to Juvenile Rats as an Experimental Animal Model of Autism []
Effect of gamma radiation on combination therapy of certain antiepileptic drugs in rats. []
Experimental and Therapeutic Medicine Antiepileptic effects of exogenous β?hydroxybutyrate on kainic acid?induced epilepsy [Pubmed: 33101467]
Exp Anim Dementia model mice exhibited improvements of neuropsychiatric symptoms as well as cognitive dysfunction with neural cell transplantation [33828024]
Neurogenetics Age-dependent neurological phenotypes in a mouse model of PRRT2-related diseases [34101060]
Sci Rep Overexpression of wild-type human amyloid precursor protein alters GABAergic transmission [34475508]
J Food Biochem Adaptogenic potential of ginsenosides against domoic acid‐induced toxicity by regulating neuronal stress and kinate receptors: Ex vivo and in silico studies [Pubmed:35102569]
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