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A Phenolphthalein solution is used to show the possible presence of blood based upon a peroxidase reaction of hemoglobin which produces a pink color. Most of the work seem to be focused around the visible spectrum. An average male ejaculate measures around 3. This antigen is unique to human semen; therefore, there is no cross reactivity with other bodily fluids in males and females or with semen from other mammals. The visual identification of human spermatozoa sperm cells by microscopy is considered confirmatory for the presence of semen. Semen fluorescence can also be masked by certain types of fabrics and fabric treatments. Identifies the presence of the seminal vesicle-specific antigen, or semonogelin.
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A positive sample will turn yellow, orange, and back to yellow while a negative sample will remain yellow the whole time. Cross-over electrophoresis and rocket immunoelectrophoresis have largely been replaced by. Biology of Plants, 7th Edition. If AP and P30 are positive, is microscopic exam necessary?
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