食欲素A(OXA)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)
Multiplex Assay Kit for Orexin A (OXA) ,etc. by FLIA (Flow Luminescence Immunoassay)
Hypocretin-1
(注:?jiǎn)未位鞙y(cè)多因子不超過(guò)8個(gè)指標(biāo) )
- 編號(hào)LMA607Ra
- 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)3h
- 檢測(cè)范圍0.98-1000pg/mL
- 靈敏度最小可檢測(cè)劑量小于等于0.327 pg/mL.
- 樣本類型Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
- 下載英文說(shuō)明書 中文說(shuō)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)食欲素A(OXA),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食欲素A(OXA)(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) | 84-91 | 88 |
| EDTA plasma(n=5) | 99-105 | 102 |
| heparin plasma(n=5) | 79-97 | 94 |
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)加入適量的食欲素A(OXA),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食欲素A(OXA)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) | 98-105% | 87-101% | 85-93% | 85-101% |
| EDTA plasma(n=5) | 80-105% | 93-105% | 80-104% | 85-93% |
| heparin plasma(n=5) | 82-97% | 78-93% | 88-102% | 89-97% |
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、向?qū)嶒?yàn)板每孔內(nèi)加入200μL分析緩沖液以預(yù)濕;
2、實(shí)驗(yàn)前標(biāo)準(zhǔn)品、試劑及樣本準(zhǔn)備;
3、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,加檢測(cè)溶液A 50μL,及磁珠10μL,25°C酶標(biāo)板振蕩器孵育90分鐘;
4、磁吸甩干,加檢測(cè)溶液B 100μL,25°C振動(dòng)孵育30分鐘;
5、磁吸洗板1次;
6、加鞘液100μL,旋渦震蕩10分鐘后讀數(shù)。
實(shí)驗(yàn)原理
將食欲素A(OXA)抗體包被于磁性微球表面,制成固相載體。在微孔中同時(shí)加入待測(cè)抗原(標(biāo)準(zhǔn)品或樣本)、生物素標(biāo)記的抗原和微球。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。加入PE標(biāo)記的鏈霉親和素,上機(jī)讀數(shù)。MFI值(Median Fluorescence Intensity)和樣品中的食欲素A(OXA)濃度呈負(fù)相關(guān)。
贈(zèng)品
增值服務(wù)
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!) |
| RPA607Ra01 | 食欲素A(OXA)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| PAA607Ra01 | 食欲素A(OXA)多克隆抗體 | IHC |
| CEA607Ra | 食欲素A(OXA)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| LMA607Ra | 食欲素A(OXA)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) |
| Frontiers in Neurology | Neuro-Glial and Systemic Mechanisms of Pathological Responses in Rat Models of Primary Blast Overpressure Compared to “Composite” Blast[PubMed: PMC3275793] |
| Neurological Sciences | Pentylenetetrazol-induced seizures are exacerbated by sleep deprivation through orexin receptor-mediated hippocampal cell proliferation[Pubmed: 23852314] |
| Peptides | Orexin-A-induced ERK1/2 activation reverses impaired spatial learning and memory in pentylenetetrazol-kindled rats via OX1R-mediated hippocampal neurogenesis.[Pubmed: 24321199] |
| Alcohol Alcohol | Orexin in Patients with Alcohol Dependence Treated for Relapse Prevention: A Pilot Study[PubMed: 26597795] |
| Indian Journal of Medical Research and Pharmaceutical Sciences | Evaluation of Antidiabetic And Insulintropic Potential of Nigella Sativa Seeds Water Extract and /or Alpha Lipoic Acid in Type 2 Diabetic Rats[Issues%20Pdf: Vol.2] |
| J Clin Res Pediatr Endocninol | Correlation of Brain Neuropeptide (Nesfatin-1 and Orexin-A) Concentrations with Anthropometric and Biochemical Parameters in Malnourished Children[PubMed: 26831553] |
| Neural Regen Res | Resuscitation therapy for traumatic brain injury-induced coma in rats: mechanisms of median nerve electrical stimulation[PubMed: 26170820] |
| Mol Med Rep | Wake-promoting actions of median nerve stimulation in TBI-induced coma: An investigation of orexin-A and orexin receptor 1 in the hypothalamic region[PubMed: 26059340] |
| Mol Neurobiol | Application of the Co-culture Membrane System Pointed to a Protective Role of Catestatin on Hippocampal Plus Hypothalamic Neurons Exposed to Oxygen and Glucose Deprivation[article:10.1007] |
| Neural?Regeneration Research | Wake-promoting effects of vagus nerve stimulation after traumatic brain injury: upregulation of orexin-A and orexin receptor type 1 expression in the prefrontal?…[Pubmed:29557373] |
| Journal of Translational Medicine | Recurrent circadian fasting (RCF) improves blood pressure, biomarkers of cardiometabolic risk and regulates inflammation in men[Pubmed: 31426866] |
| iraqi journal of science | Relationship Between Orexin-A and Insulin Resistance in Patients with Type 2 Diabetes Mellitus[] |
| Brain Sci | Changes in the Orexin System in Rats Exhibiting Learned Helplessness Behaviors[34942932] |


