生長抑素(SST)檢測試劑盒(酶聯(lián)免疫吸附試驗法)
ELISA Kit for Somatostatin (SST)
GHIH; SRIF; SMST; GHRIH; GHRIF; Growth Hormone Releasing Inhibiting Hormone; Somatotropin Release-Inhibiting Factor; Somatostatin-14; Somatostatin-28
- 編號SEA592Hu
- 物種Homo sapiens (Human,人) 相同的名稱,不同的物種。
- 實驗方法雙抗夾心
- 反應(yīng)時長3h
- 檢測范圍7.8-500pg/mL
- 靈敏度最小可檢測劑量小于等于2.7pg/mL.
- 樣本類型serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
- 下載 英文說明書 中文說明書
- 規(guī)格 48T96T 96T*5 96T*10 96T*100
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特異性
本試劑盒用于檢測生長抑素(SST),經(jīng)檢測與其它相似物質(zhì)無明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來源的限制,不可能完成對所有相關(guān)或相似物質(zhì)交叉反應(yīng)檢測,因此本試劑盒有可能與未經(jīng)檢測的其它物質(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生長抑素(SST)(加標樣品),重復(fù)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) | 79-93 | 88 |
EDTA plasma(n=5) | 85-99 | 95 |
heparin plasma(n=5) | 79-94 | 90 |
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(nèi)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(fù)測定8次,分別計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)加入適量的生長抑素(SST),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生長抑素(SST)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) | 98-105% | 85-97% | 78-105% | 83-101% |
EDTA plasma(n=5) | 84-103% | 94-101% | 84-104% | 93-101% |
heparin plasma(n=5) | 84-99% | 94-105% | 80-101% | 86-102% |
穩(wěn)定性
經(jīng)測定,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(nèi)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)100µL,37°C孵育1小時;
3. 吸棄,加檢測溶液A100µL,37°C孵育1小時;
4. 洗板3次;
5. 加檢測溶液B100µL,37°C孵育30分鐘;
6. 洗板5次;
7. 加TMB底物90µL,37°C孵育10-20分鐘;
8. 加終止液50µL,立即450nm讀數(shù)。
實驗原理
將生長抑素(SST)抗體包被于96孔微孔板中,制成固相載體,向微孔中分別加入標準品或標本,其中的生長抑素(SST)與連接于固相載體上的抗體結(jié)合,然后加入生物素化的生長抑素(SST)抗體,將未結(jié)合的生物素化抗體洗凈后,加入HRP標記的親和素,再次徹底洗滌后加入TMB底物顯色。TMB在過氧化物酶的催化下轉(zhuǎn)化成藍色,并在酸的作用下轉(zhuǎn)化成最終的黃色。顏色的深淺和樣品中的生長抑素(SST)呈正相關(guān)。用酶標儀在450nm波長下測定吸光度(O.D.值),計算樣品濃度。
增值服務(wù)
相關(guān)產(chǎn)品
編號 | 適用物種:Homo sapiens (Human,人) | 應(yīng)用(僅供研究使用,不用于臨床診斷!) |
RPA592Hu01 | 生長抑素(SST)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
CPA592Hu11 | 生長抑素(SST)牛血清白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
CPA592Hu21 | 生長抑素(SST)卵白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
PAA592Hu02 | 生長抑素(SST)多克隆抗體 | WB; IHC; ICC; IP. |
PAA592Hu01 | 生長抑素(SST)多克隆抗體 | WB; IHC; ICC; IP. |
PAA592Hu08 | 生長抑素(SST)多克隆抗體 | WB; IHC; ICC; IP. |
LAA592Hu81 | 生長抑素(SST)多克隆抗體(異硫氰酸熒光素標記) | WB; IHC; ICC; IF. |
LAA592Hu71 | 生長抑素(SST)多克隆抗體(生物素標記) | WB; IHC; ICC. |
MAA592Hu22 | 生長抑素(SST)單克隆抗體 | WB; IHC; ICC; IP. |
LAA592Hu72 | 生長抑素(SST)單克隆抗體(生物素標記) | WB; IHC; ICC. |
SEA592Hu | 生長抑素(SST)檢測試劑盒(酶聯(lián)免疫吸附試驗法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
CEA592Hu | 生長抑素(SST)檢測試劑盒(酶聯(lián)免疫吸附試驗法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
LMA592Hu | 生長抑素(SST)等多因子檢測試劑盒(流式熒光發(fā)光法) | FLIA Kit for Antigen Detection. |
PSA592Hu01 | 生長抑素(SST)抗體對 | ELISA; CLIA; ELISPOT; Luminex; Immunochromatography and other Immunoassays. |
KSA592Hu11 | 生長抑素(SST)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". |
KSA592Hu01 | 生長抑素(SST)檢測試劑盒DIY材料(酶聯(lián)免疫吸附試驗法) | 自己動手制作ELISA試劑盒的主要材料 |
參考文獻
雜志 | 參考文獻 |
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] |