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攝食抑制因子1(NES1)檢測試劑盒(酶聯(lián)免疫吸附試驗法)

ELISA Kit for Nesfatin 1 (NES1)

  • 攝食抑制因子1(NES1)檢測試劑盒(酶聯(lián)免疫吸附試驗法) 產(chǎn)品包裝(模擬)
  • 攝食抑制因子1(NES1)檢測試劑盒(酶聯(lián)免疫吸附試驗法) 產(chǎn)品包裝(模擬)
  • 攝食抑制因子1(NES1)檢測試劑盒(酶聯(lián)免疫吸附試驗法) 實驗結果圖
  • CEA242Hu.jpg 標準曲線圖
  • Certificate 通過ISO 9001、ISO 13485質量體系認證

特異性

本試劑盒用于檢測攝食抑制因子1(NES1),經(jīng)檢測與其它相似物質無明顯交叉反應。
由于受到技術及樣本來源的限制,不可能完成對所有相關或相似物質交叉反應檢測,因此本試劑盒有可能與未經(jīng)檢測的其它物質有交叉反應。

回收率

分別于定值血清及血漿樣本中加入一定量的攝食抑制因子1(NES1)(加標樣品),重復測定并計算其均值,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) 93-103 101
EDTA plasma(n=5) 88-102 94
heparin plasma(n=5) 80-92 84

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
批內差:取同批次試劑盒對低、中、高值定值樣本進行定量檢測,每份樣本連續(xù)測定20 次,分別計算不同濃度樣本的平均值及SD值。
批間差:選取3個不同批次的試劑盒分別對低、中、高值定值樣本進行定量測定,每個樣本使用同一試劑盒重復測定8次,分別計算不同濃度樣本的平均值及SD值。
批內差: CV<10%
批間差: CV<12%

線性

在定值血清及血漿樣本內加入適量的攝食抑制因子1(NES1),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攝食抑制因子1(NES1)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) 78-101% 96-104% 88-97% 97-105%
EDTA plasma(n=5) 88-103% 93-105% 80-101% 78-88%
heparin plasma(n=5) 79-99% 95-103% 97-105% 83-90%

穩(wěn)定性

經(jīng)測定,試劑盒在有效期內按推薦溫度保存,其活性降低率小于5%。
為減小外部因素對試劑盒破壞前后檢測值的影響,實驗室的環(huán)境條件需盡量保持一致,尤其是實驗室內溫度、濕度及溫育條件。其次由同一實驗員來進行操作可減少人為誤差。

實驗流程

1. 實驗前標準品、試劑及樣本的準備;
2. 加樣(標準品及樣本)50µL,
    加入50µL檢測液A(臨用前配制);
    37°C溫育1小時。
3. 洗板3次;
4. 加檢測溶液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)。

實驗原理

本試劑盒應用競爭抑制酶聯(lián)免疫分析法測定標本中待測物質水平。將攝食抑制因子1(NES1)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加入生物素標記的抗原和待測抗原(標準品或樣本),待測抗原與生物素標記抗原對特異性抗體進行競爭結合。溫育后經(jīng)洗滌去掉未結合物,然后加入HRP標記的親和素,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化成藍色,并在酸的作用下轉化成最終的黃色。待測標本濃度越高,標記抗原和抗體的結合就越受到抑制,顯色愈淺。顯色的深淺與酶量呈正相關,而與樣品中待測物質含量呈負相關。用酶標儀在450nm波長下測定吸光度(O.D.值),計算樣品濃度。

相關產(chǎn)品

編號 適用物種:Homo sapiens (Human,人) 應用(僅供研究使用,不用于臨床診斷!)
URPA242Hu02 攝食抑制因子1(NES1)重組蛋白 Positive Control; Immunogen; SDS-PAGE; WB.
URPA242Hu03 攝食抑制因子1(NES1)重組蛋白 Positive Control; Immunogen; SDS-PAGE; WB.
URPA242Hu01 攝食抑制因子1(NES1)重組蛋白 Positive Control; Immunogen; SDS-PAGE; WB.
UCPA242Hu21 攝食抑制因子1(NES1)卵白蛋白偶聯(lián)物 Immunogen; SDS-PAGE; WB.
UCPA242Hu22 攝食抑制因子1(NES1)卵白蛋白偶聯(lián)物 Immunogen; SDS-PAGE; WB.
UPAA242Hu02 攝食抑制因子1(NES1)多克隆抗體 Testing in progress.
UPAA242Hu08 攝食抑制因子1(NES1)多克隆抗體 WB; IHC; ICC; IP.
UPAA242Hu01 攝食抑制因子1(NES1)多克隆抗體 WB; IHC; ICC/IF
USEA242Hu 攝食抑制因子1(NES1)檢測試劑盒(酶聯(lián)免疫吸附試驗法) Enzyme-linked immunosorbent assay for Antigen Detection.
UCEA242Hu 攝食抑制因子1(NES1)檢測試劑盒(酶聯(lián)免疫吸附試驗法) Enzyme-linked immunosorbent assay for Antigen Detection.
ULMA242Hu 攝食抑制因子1(NES1)等多因子檢測試劑盒(流式熒光發(fā)光法) FLIA Kit for Antigen Detection.
UKSA242Hu11 攝食抑制因子1(NES1)檢測試劑盒DIY材料(酶聯(lián)免疫吸附試驗法) Main materials for "Do It (ELISA Kit) Yourself".

參考文獻

雜志 參考文獻
Bulletin of Clinical Psychopharmacology Plasma Nesfatin-1 Level May Be Associated with Disease Severity in Patients with Panic Disorder [Psikofarmakoloji: 2043]
Progress in Neuro-Psychopharmacology & Biological Psychiatry High plasma nesfatin-1 level in patients with major depressive disorder [PubMed: 21163317]
Endocrine Cord blood nesfatin-1 and apelin-36 levels in gestational diabetes mellitus [SpringerLink: h978088657555w16]
Bulletin of Clinical Psychopharmacology Increased Plasma Nesfatin-1 Levels in Patients with Obsessive Compulsive Disorder [Psikofarmakoloji: 2212]
Psychoneuroendocrinology. Decreased plasma nesfatin-1 levels in patients with generalized anxiety disorder [PubMed: 22595767]
Iranian Journal of Health and Physical activity Effects of Aerobic Training, with or without Zizyphus Jujuba Water Extraction, on Fundus Nesfatin-1, ATP, HDL-C, and LDL-C Concentrations in Female Rats [Ijvst: Source]
European Journal of Obstetrics & Gynecology and Reproductive Biology Decreased serum nesfatin-1 levels in endometriosis [Pubmed: 24702902]
Bulletin of Clinical Psychopharmacology Increased Plasma Nesfatin-1 Levels in Patients with Obsessive Compulsie Disorder. [Psikofarmakoloji: Source]
Current Pharmaceutical Design Role of NUCB2/nesfatin-1 as a possible biomarker. [Pubmed: 23537082]
Regulatory, Integrative and Comparative Physiology A role of nesfatin-1/NucB2 in dehydration-induced anorexia [Pubmed:24829503]
J Endocrinol Invest. Plasma nesfatin-1 levels are increased in patients with polycystic ovary syndrome [Pubmed:24920281]
Int J Surg. The potential role of BMI, plasma leptin, nesfatin-1 and ghrelin levels in the early detection of pancreatic necrosis and severe acute pancreatitis: a prospective cohort study. [Pubmed:25448651]
Hormone molecular biology and clinical investigation The effects of short-term high-intensity interval training vs. moderate-intensity continuous training on plasma levels of nesfatin-1 and inflammatory markers [Pubmed:25581765]
Turk J Gastroenterol. New hormones to predict the severity of gallstone-induced acute pancreatitis [Pubmed:25599787]
Respiration Is There a Relationship between Obstructive Sleep Apnea Syndrome Severity and Nesfatin-1? [PubMed: 26088934]
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]
Bosn J Basic Med Sci Nesfatin-1 and Vitamin D levels may be associated with systolic and diastolic blood pressure values and hearth rate in polycystic ovary syndrome [PubMed: 26295295]
Original Article / Orijinal Makale Relationship and Interaction between Anaerobic Sports Branches and Serum Nesfatin-1 [Sayilar: 294]
Gynecol Endocrinol Nesfatin-1 levels and metabolic markers in polycystic ovary syndrome [PubMed: 26062107]
International Journal of Neuroscience Serum nesfatin-1 levels: a potential new biomarker in patients with subarachnoid hemorrhage* [Pubmed:26872406]
未找到 Comparing the nesfatin-1 levels between individuals with subjective cognitive decline and mild cognitive impairment [P.1.e.012.pdf]
International Journal of Developmental Serum?nesfatin-1?levels: a?potential?new?biomarker?in?patients?with?subarachnoid?hemorrhage. [pubmed:26872406]
Current Pharmaceutical Design Metabolic and Cardiovascular Actions of Nesfatin-1: Implications in Health and Disease [pubmed:28137218]
Arch Endocrinol Metab Serum nesfatin-1 levels are decreased in pregnant women newly diagnosed with gestational diabetes [pubmed:28977160]
Indian Journal of Psychiatry Serum NUCB2/nesfatin-1 levels in different stages of alcohol dependence: Is there a relationship with craving? [pubmed:28529367]
Biomedicine & Pharmacotherapy Nesfatin-1 promotes VSMC migration and neointimal hyperplasia by upregulating matrix metalloproteinases and downregulating PPARγ [Pubmed:29604590]
Biochimica et?Biophysica?Acta Nesfatin-1 functions as a switch for phenotype transformation and proliferation of VSMCs in hypertensive vascular remodeling [Pubmed:29627363]
BMC Psychiatry Plasma nesfatin-1 level is associated with severity of depression in Chinese depressive patients [Pubmed:29615007]
Probiotics?and Antimicrobial?Proteins Mitra Zarrati, Mahsa Raji Lahiji, Eisa Salehi, Bahareh Yazdani, Elham Razmpoosh, Raheleh Shokouhi Shoormasti & Farzad Shidfar [Pubmed: 30232744]
An elevated serum level of nesfatin-1 may predict poor outcomes in patients with aneurysmal subarachnoid hemorrhages []
clinical neurology and neurosurgery Relationsh?p of spontaneous subarachnoid haemorrhage and cerebral aneurysm to serum Visfatin and Nesfatin-1 levels [Pubmed: 32311618]
Ann Nutr Metab Copeptin and Nesfatin-1 Are Interrelated Biomarkers with Roles in the Pathogenesis of Insulin Resistance in Chinese Children with Obesity [Pubmed: 33027789]
Endokrynologia Polska Assessing the blood concentration of new adipocytokines in patients with ischaemic stroke [33283259]
Increased serum nesfatin-1 levels among adolescents diagnosed with major depressive disorder []
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