艾美捷LDN Labor Diagnostika Nord-DHEA-S ELISA定量方案

LDN Labor Diagnostika Nord-DHEA-S ELISA：用于人血清中硫酸脫氫表雄酮（DHEA-S）直接定量測定的酶免疫測定法。

艾美捷LDN Labor Diagnostika Nord-DHEA-S ELISA（AA E-1100R）：

名稱：DHEA-S ELISA

描述：用于人血清中DHEA-S直接定量測定的酶免疫測定法。

設計：ELISA

樣本體積：25微升血清

總檢測時間：60分鐘

標準范圍：0/0.005 – 10微克/毫升

靈敏度：0.005微克/毫升

儲存條件：2 – 8°C

試劑盒：96次測定

CE認證：是

LDN Labor Diagnostika Nord-DHEA-S ELISA檢測原理：

在未標記的抗原（存在于標準品、對照品和樣品中）和無酶標記抗原（綴合物）之間發生競爭，爭奪微孔板上有限數量的抗體結合位點。洗滌和傾析程序去除未結合的材料。在洗滌步驟之后，酶底物被除去。通過加入終止溶液終止酶促反應。吸光度通過微量滴定板讀數器進行測量。所形成的顏色的強度與樣品中DHEA-S的濃度成反比。一組標準用于繪制標準曲線，從該曲線可以直接讀取DHEA-S樣品和對照的量。

LDN Labor Diagnostika Nord-DHEA-S ELISA參考文獻：

1. Chasalow FI, Blethen SL, Bradlow HL. Dehydroepiandrosterone Sulfate (DHEAS) and DHEAS-likeCompounds in Fibrocystic Disease of the Breast. Steroids. 1988; 52(3):205–15.

2. Chasalow FI, et al. Serum Levels of Dehydroepiandrosterone Sulfate as Determined by Commercial Kitsand Reagents. Steroids. 1989;54(4):373–81.

3. de Peretti E, Forest MG. Pattern of Plasma Dehydroepiandrosterone Sulfate Levels in Humans from Birthto Adulthood: Evidence for Testicular Production. J Clin Endocrinol Metab. 1978; 47(3):572–77.

4. Holtzclaw WD, Gordon GB. Measurement of Serum Levels of Dehydroepiandrosterone Sulfate: AComparison of Radioimmunoassay and Enzymatic Analysis. Steroids. 1989; 54(4): 355–71.

5. Koritnik DR, et al. A Radioimmunoassay for Dehydroepiandrosterone Sulfate in the Circulation of RhesusMonkeys. Steroids. 1983; 42(6):653–67.

6. Orentreich N, et al. Age Changes and Sex Differences in Serum Dehydroepiandrosterone SulfateConcentrations Throughout Adulthood. J Clin Endocrol Metab. 1984; 59(3):551–55.

7. Smith MR, et al. A Radioimmunoassay for the Estimationof Serum Dehydroepiandrosterone Sulphate inNormaland Pathological Sera. Clin Chim Acta. 1975; 65(1): 5–13.

8. Check JH, et al. Falsely Elevated Steroidal Assay Levels Related to Heterophile Antibodies Against VariousAnimal Species. Gynecol Obstet Invest. 1995; 40(2):139–40.

LDN Labor Diagnostika Nord GmbH & Co. KG（簡稱LDN）旨在開發、制造和向臨床和研究實驗室市場提供專業的體外診斷測試系統和創新技術。艾美捷科技是LDN Labor Diagnostika Nord的中國代理商，為科研工作者提供優質的產品與服務。

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