產(chǎn)品名稱:Digoxin ELISA 產(chǎn) 地:Demeditec 產(chǎn)品貨號(hào):DE3268 產(chǎn)品規(guī)格:96 Tests 產(chǎn)品說明: Special remarks: SUMMARY AND EXPLANATION OF THE TEST The clinical usefulness of the measurement of serum digoxin (DIG) is due to its low therapeutic ratio; a very small difference exists between therapeutic and toxic tissue levels. In addition, individuals may vary in their response to digoxin with an apparent increase in susceptibility to toxicity with age. The action of digoxin is to increase the force and velocity of myocardial contraction. This is necessary in the treatment of congestive heart failure and arrhythmias such as atrial fibrillation and atrial flutter. The myocardial concentrations of digoxin to serum levels remain relatively constant during normal renal function. This distribution ratio of digoxin is approximately 29 to 1 between the heart and serum. Thus, monitoring digoxin therapy by measurement of serum levels is feasible from the pharmacological standpoint, since serum levels are related to tissue levels following post-absorption equilibration. A practical and sensitive method of digoxin quantitation in serum is by enzyme immunoassay. This microplate enzyme immunoassay methodology provides the technician with optimum sensitivity while requiring few technical manipulations. In this method, serum reference, patient specimen, or control is first added to a microplate well. Digoxin coupled with enzyme horseradish peroxidase (HRP) is added, and the reactants are mixed. A competition reaction results between the enzyme conjugated digoxin and the native digoxin for a limited number of antibody combining sites immobilized on the well. After the completion of the required incubation period, the antibody bound enzyme-digoxin conjugate is separated from the unbound enzyme-digoxin conjugate by aspiration or decantation. Excess unbound enzyme reagent is washed via a wash step. The activity of the enzyme present on the surface of the well is quantitated by reaction with a suitable substrate to produce color. The employment of several serum references of known digoxin concentration permits construction of a graph of activity and concentration. From comparison to the dose response curve, an unknown specimen's activity can be correlated with digoxin concentration. The concentrations are expressed in ng/ml. 上海玉博生物技術(shù)有限公司在為生命科學(xué)領(lǐng)域提供豐富的產(chǎn)品與信息資源方面處于國(guó)內(nèi)**地位,公司提供的產(chǎn)品涵蓋了二十多個(gè)國(guó)家近五十萬種產(chǎn)品,而且產(chǎn)品的數(shù)量與信息在不斷的增長(zhǎng)和更新,公司提供的產(chǎn)品能夠使生命科學(xué)工作者加快對(duì)生物化學(xué),分子生物學(xué),細(xì)胞生物學(xué)以及蛋白質(zhì)組學(xué)研究的認(rèn)知,以及分子診斷和臨床醫(yī)學(xué)領(lǐng)域的應(yīng)用。
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