• Publications
  • Influence
Mathematical and statistical concepts related to immunoassay validation and quality assessment are presented in this chapter. The overall objective in an immunoassay is to accurately determine theExpand
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Within- and between-subject variation in semen parameters in infertile men and normal semen donors.
  • B. Keel
  • Biology, Medicine
  • Fertility and sterility
  • 2006
OBJECTIVE To determine within- and between-subject variation of semen parameters in infertile and normal men. DESIGN Retrospective analysis of 74 infertile men and 65 normal men producing five orExpand
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Effects of cryopreservation on the motility characteristics of human spermatozoa.
Ejaculates (164) were obtained from 17 donors serving on an artificial insemination by donor panel. Semen analysis was performed before and after freezing by an integrated microcomputerized systemExpand
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Effects of epidermal growth factor on the tyrosine phosphorylation of mitogen-activated protein kinases in monolayer cultures of porcine granulosa cells.
We have examined porcine granulosa cells (pGCs) for the presence of immunodetectable mitogen-activated protein (MAP) kinases (extracellular signal-regulated kinases, ERK) and have further studied theExpand
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Lack of standardization in performance of the semen analysis among laboratories in the United States.
OBJECTIVE To determine the level of standardization in performance of the semen analysis among clinical laboratories in the United States. DESIGN A survey was mailed to laboratories requestingExpand
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CRC handbook of the laboratory diagnosis and treatment of infertility
The Infertility Evaluation. The Endometrial Biopsy. The Semen Analysis. Critical Evaluation of Sperm Morphology Comparison with In Vitro Fertilization. Biochemical Analysis of Seminal Plasma andExpand
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Characterization of rat lutropin charge microheterogeneity using chromatofocusing.
Chromatofocusing was utilized to separate rat lutropin isohormones. The pH gradients generated were highly reproducible, allowing accurate comparisons of isohormones in different elution profiles.Expand
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Characterization of rat pituitary luteinizing hormone charge microheterogeneity in male and female rats using chromatofocusing: effects of castration.
Chromatofocusing was used to characterize the isohormones of rat (r) LH present in extracts of pituitaries of intact and castrate, male and female rats. In each case, at least seven rLH isohormonesExpand
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Results of the American Association of Bioanalysts national proficiency testing programme in andrology.
Proficiency testing samples for antisperm antibodies (ASAB), sperm count, morphology and vitality were mailed to participating laboratories. The majority participating utilized Immunobead ASABExpand
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How reliable are results from the semen analysis?
  • B. Keel
  • Medicine
  • Fertility and sterility
  • 1 July 2004
Based on the results of a number of studies that have evaluated the reliability of semen analysis testing, it would appear that there is a significant lack of standardization in the performance andExpand
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