Principles of immunological testosterone assays

The principles of hormone measurement in general also apply to testosterone and good chapters on hormone assays are available in various textbooks of endocrinology (e.g. Segre and Brown 1998). As for all other hormones, the accurate measurement of testosterone in blood was made possible by the advent of radioimmunoassays (RIA). In immunological assays the hormone being measured (i.e. the antigen) competes with the labeled hormone (i.e. the tracer) forbindingto an antiserum (the antibody). Since the amount of antibody available for reaction is limited, the higher the concentration of the hormone in blood, the lower the amount of tracer bound

Hair Loss Prevention

Hair Loss Prevention

The best start to preventing hair loss is understanding the basics of hair what it is, how it grows, what system malfunctions can cause it to stop growing. And this ebook will cover the bases for you. Note that the contents here are not presented from a medical practitioner, and that any and all dietary and medical planning should be made under the guidance of your own medical and health practitioners. This content only presents overviews of hair loss prevention research for educational purposes and does not replace medical advice from a professional physician.

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