D-氨基酸氧化酶(DAO)检测试剂盒(酶联免疫吸附试验法)
ELISA Kit for D-Amino Acid Oxidase (DAO)
DAMOX
- 编号SEJ298Hu
- 物种Homo sapiens (Human,人) 相同的名称,不同的物种。
- 实验方法双抗夹心
- 反应时长3h
- 检测范围1.56-100ng/mL
- 灵敏度最小可检测剂量小于等于0.59ng/mL.
- 样本类型serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
- 下载 英文说明书 中文说明书
- 规格 48T96T 96T*5 96T*10 96T*100
- 价格 ¥ 2940 ¥ 4200 ¥ 18900 ¥ 35700 ¥ 294000
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特异性
本试剂盒用于检测D-氨基酸氧化酶(DAO),经检测与其它相似物质无明显交叉反应。
由于受到技术及样本来源的限制,不可能完成对所有相关或相似物质交叉反应检测,因此本试剂盒有可能与未经检测的其它物质有交叉反应。
回收率
分别于定值血清及血浆样本中加入一定量的D-氨基酸氧化酶(DAO)(加标样品),重复测定并计算其均值,回收率为测定值与理论值的比率。
样本 | 回收率范围(%) | 平均回收率(%) |
serum(n=5) | 89-96 | 93 |
EDTA plasma(n=5) | 84-101 | 94 |
heparin plasma(n=5) | 87-104 | 99 |
精密度
精密度用样品测定值的变异系数CV表示。CV(%) = SD/mean×100
批内差:取同批次试剂盒对低、中、高值定值样本进行定量检测,每份样本连续测定20 次,分别计算不同浓度样本的平均值及SD值。
批间差:选取3个不同批次的试剂盒分别对低、中、高值定值样本进行定量测定,每个样本使用同一试剂盒重复测定8次,分别计算不同浓度样本的平均值及SD值。
批内差: CV<10%
批间差: CV<12%
线性
在定值血清及血浆样本内加入适量的D-氨基酸氧化酶(DAO),并倍比稀释成1:2,1:4,1:8,1:16的待测样本,线性范围即为稀释后样本中D-氨基酸氧化酶(DAO)含量的测定值与理论值的比率。
样本 | 1:2 | 1:4 | 1:8 | 1:16 |
serum(n=5) | 81-92% | 87-96% | 98-105% | 95-103% |
EDTA plasma(n=5) | 88-99% | 79-93% | 95-104% | 98-105% |
heparin plasma(n=5) | 90-97% | 89-97% | 97-105% | 84-97% |
稳定性
经测定,试剂盒在有效期内按推荐温度保存,其活性降低率小于5%。
为减小外部因素对试剂盒破坏前后检测值的影响,实验室的环境条件需尽量保持一致,尤其是实验室内温度、湿度及温育条件。其次由同一实验员来进行操作可减少人为误差。
实验流程
1. 实验前标准品、试剂及样本的准备;
2. 加样(标准品及样本)100µL,37°C孵育1小时;
3. 吸弃,加检测溶液A100µL,37°C孵育1小时;
4. 洗板3次;
5. 加检测溶液B100µL,37°C孵育30分钟;
6. 洗板5次;
7. 加TMB底物90µL,37°C孵育10-20分钟;
8. 加终止液50µL,立即450nm读数。
实验原理
将D-氨基酸氧化酶(DAO)抗体包被于96孔微孔板中,制成固相载体,向微孔中分别加入标准品或标本,其中的D-氨基酸氧化酶(DAO)与连接于固相载体上的抗体结合,然后加入生物素化的D-氨基酸氧化酶(DAO)抗体,将未结合的生物素化抗体洗净后,加入HRP标记的亲和素,再次彻底洗涤后加入TMB底物显色。TMB在过氧化物酶的催化下转化成蓝色,并在酸的作用下转化成最终的黄色。颜色的深浅和样品中的D-氨基酸氧化酶(DAO)呈正相关。用酶标仪在450nm波长下测定吸光度(O.D.值),计算样品浓度。
增值服务
相关产品
编号 | 适用物种:Homo sapiens (Human,人) | 应用(仅供研究使用,不用于临床诊断!) |
RPJ298Hu01 | D-氨基酸氧化酶(DAO)重组蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
PAJ298Hu01 | D-氨基酸氧化酶(DAO)多克隆抗体 | WB; IHC; ICC; IP. |
MAJ298Hu21 | D-氨基酸氧化酶(DAO)单克隆抗体 | WB; IHC; ICC; IP. |
SEJ298Hu | D-氨基酸氧化酶(DAO)检测试剂盒(酶联免疫吸附试验法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
SCJ298Hu | D-氨基酸氧化酶(DAO)检测试剂盒(化学发光免疫分析法) | Chemiluminescent immunoassay for Antigen Detection. |
LMJ298Hu | D-氨基酸氧化酶(DAO)等多因子检测试剂盒(流式荧光发光法) | FLIA Kit for Antigen Detection. |
参考文献
杂志 | 参考文献 |
无 | Differential regulation of D-amino acid oxidase (DAO) mRNA and protein expression in human post-mortem brain [Dam: Jcr:3107E495-Ef68-4692-85Be-D43D9F3F84Ff] |
不确定杂志名 | Age span expression of schizophrenia susceptibility genes D-amino acid oxidase (DAO) and DAO activator (DAOA) in human post-mortem brain [dam:jcr:c3394762-a692-4fbd-8a37-7da14f429996] |
Frontiers in Neuroanatomy | Expression of D-Amino Acid Oxidase (DAO/DAAO) and D-Amino Acid Oxidase Activator (DAOA/G72) during Development and Aging in the Human Post-mortem Brain. [pubmed:28428746] |
BMC gastroenterology | Noninvasive biomarkers of gut barrier function identify two subtypes of patients suffering from diarrhoea predominant-IBS: a case-control study [Pubmed: 30400824] |
Journal of Gastroenterology | Gut microbiota dysbiosis worsens the severity of acute pancreatitis in patients and mice [Pubmed: 30519748] |
Phytotherapy Research | Effect of a chamomile extract in protecting against radiation‐induced intestinal mucositis [Pubmed: 30632234] |
Biological & Pharmaceutical Bulletin | Role of Aquaporin-3 in Intestinal Injury Induced by Sepsis [Pubmed: 31582652] |
Int Immunopharmacol | Hydrogen attenuates radiation-induced intestinal damage by reducing oxidative stress and inflammatory response [Pubmed: 32361189] |
european journal of clinical nutrition? | Effect of Lactobacillus casei on lipid metabolism and intestinal microflora in patients with alcoholic liver injury [33514869] |
Nutrients | The Relationship between Low Serum Vitamin D Levels and Altered Intestinal Barrier Function in Patients with IBS Diarrhoea Undergoing a Long-Term Low-FODMAP [33801020] |
J Cell Mol Med | The ¦Á2AR/Caveolin©\1/p38MAPK/NF©\¦ÊB axis explains dexmedetomidine protection against lung injury following intestinal ischaemia©\reperfusion [34114328] |
BMC Gastroenterol | Somatization in patients with predominant diarrhoea irritable bowel syndrome: the role of the intestinal barrier function and integrity [34022802] |
Nutrients | Psychological and Gastrointestinal Symptoms of Patients with Irritable Bowel Syndrome Undergoing a Low-FODMAP Diet: The Role of the Intestinal Barrier [34371976] |
Int J Neuropsychopharmacol | Blood D-amino acid oxidase (DAO) levels increased with cognitive decline among people with mild cognitive impairment (MCI): a two-year prospective study [Pubmed:35430632] |