生长抑素(SST)检测试剂盒(酶联免疫吸附试验法)
ELISA Kit for Somatostatin (SST)
GHIH; SRIF; SMST; GHRIH; GHRIF; Growth Hormone Releasing Inhibiting Hormone; Somatotropin Release-Inhibiting Factor; Somatostatin-14; Somatostatin-28
- 编号SEA592Ra
- 物种Rattus norvegicus (Rat,大鼠) 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7.8-500pg/mL
- 灵敏度最小可检测剂量小于等于3.3pg/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
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特异性
本试剂盒用于检测生长抑素(SST),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生长抑素(SST)(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) | 91-99 | 94 |
EDTA plasma(n=5) | 78-101 | 98 |
heparin plasma(n=5) | 97-104 | 101 |
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生长抑素(SST),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生长抑素(SST)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) | 78-104% | 88-105% | 97-105% | 97-105% |
EDTA plasma(n=5) | 85-104% | 81-93% | 79-88% | 84-91% |
heparin plasma(n=5) | 93-101% | 98-105% | 99-105% | 98-105% |
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
将生长抑素(SST)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,其中的生长抑素(SST)与连接于固相载体上的抗体结合,然后加入生物素化的生长抑素(SST)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生长抑素(SST)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:Rattus norvegicus (Rat,大鼠) | 应用(仅供研究使用,不用于临床诊断!) |
RPA592Ra01 | 生长抑素(SST)重组蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
CPA592Ra11 | 生长抑素(SST)牛血清白蛋白偶联物 | Immunogen; SDS-PAGE; WB. |
CPA592Ra21 | 生长抑素(SST)卵白蛋白偶联物 | Immunogen; SDS-PAGE; WB. |
PAA592Ra01 | 生长抑素(SST)多克隆抗体 | WB; IHC; ICC; IP. |
PAA592Ra08 | 生长抑素(SST)多克隆抗体 | WB; IHC; ICC; IP. |
LAA592Ra71 | 生长抑素(SST)多克隆抗体(生物素标记) | WB; IHC; ICC. |
MAA592Ra21 | 生长抑素(SST)单克隆抗体 | WB; IHC; ICC; IP. |
LAA592Ra72 | 生长抑素(SST)单克隆抗体(生物素标记) | WB; IHC; ICC. |
SEA592Ra | 生长抑素(SST)检测试剂盒(酶联免疫吸附试验法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
CEA592Ra | 生长抑素(SST)检测试剂盒(酶联免疫吸附试验法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
LMA592Ra | 生长抑素(SST)等多因子检测试剂盒(流式荧光发光法) | FLIA Kit for Antigen Detection. |
PSA592Ra01 | 生长抑素(SST)抗体对 | ELISA; CLIA; ELISPOT; Luminex; Immunochromatography and other Immunoassays. |
KSA592Ra11 | 生长抑素(SST)检测试剂盒DIY材料(酶联免疫吸附试验法) | Main materials for "Do It (ELISA Kit) Yourself". |
参考文献
杂志 | 参考文献 |
JOP. Journal of the Pancreas | Pancreatic Somatostatinoma Diagnosed Preoperatively: Report of a Case [Pubmed: 24413789] |
PloS one | Circadian Modulation of Anxiety: A Role for Somatostatin in the Amygdala [Pubmed: 24376834] |
Peptides | Enhanced expression of neuropeptide S (NPS) receptor in eosinophils from severe asthmatics and subjects with total IgE above 100IU/ml [Pubmed:24239856] |
Journal of Endocrinology | Inhibitory effect of somatostatin on insulin secretion is not mediated via the CNS [Pubmed:25630331] |
Pharmacol Res | Oral curcumin has anti-arthritic efficacy through somatostatin generation [PubMed: 25836921] |
Acta Neurobiologiae Experimentalis | Aberrant changes of somatostatin and neuropeptide Y in brain of a genetic rat model for epilepsy: tremor rat [pubmed:27685769] |
Applied Biological Chemistry | Positive enhancement of Lactobacillus fermentum HY01 on intestinal movements of mice having constipation [10.1007/s13765-017-0327-3] |
Biomed Research International | Colonic Transit Time and Gut Peptides in Adult Patients with Slow and Normal Colonic Transit Constipation [pubmed:29082242] |
Molecular Neurobiology | Somatostatin Maintains Permeability and Integrity of Blood-Brain Barrier in β-Amyloid Induced Toxicity [Pubmed:29700775] |
Evidence-Based Complementary and Alternative Medicine | Home-Based Transcutaneous Neuromodulation Improved Constipation via Modulating Gastrointestinal Hormones and Bile Acids [Pubmed:29853946] |
Pancreatology | Relationship between somatostatin and interleukin-6: A cross-sectional study in patients with acute pancreatitis [Pubmed: 30279074] |
Cell Reports | Zika Virus Infection in Hypothalamus Causes Hormone Deficiencies and Leads to Irreversible Growth Delay and Memory Impairment in Mice [Pubmed: 30404008] |
Science of Food and Agriculture | Protective Effect of Silkworm Pupa Oil on Hydrochloric Acid/Ethanol‐Induced Gastric Ulcer [Pubmed: 30479041] |