Publications by authors named "James Valsa"

Purpose: The purpose of this study was to understand the details of splits of an ejaculate and to locate the origin of release of copper into semen.

Methods: Laboratory methods routinely followed for semen analysis were carried out. Copper was estimated by employing atomic absorption spectrophotometry.

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Article Synopsis
  • The study explored how the time of day impacts semen quality and levels of calcium and magnesium.
  • Results indicated that semen had the highest total sperm count and motility at midnight (0000 hours), with a secondary peak at 8 AM.
  • Findings suggest that semen release and quality may be influenced by blood androgen levels.
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Article Synopsis
  • The study addresses the need for reliable instruments in reproductive biology, specifically for testicular research, where suitable tools were previously lacking.
  • A new testicular perfusion apparatus for rabbits and rats was designed using glass, capable of filtering perfusate and monitoring temperature for effective testis studies.
  • Initial tests on animal testes showed the apparatus functioning well, indicating it's a practical and reusable tool for laboratories.
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A study was conducted to establish the level of calcium and magnesium in human semen, seminal plasma and spermatozoa. One hundred and sixteen healthy, fertile young men submitted sample for this study. Total sperm count and active motility showed a positive correlation.

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Objectives: Male infertility is on the rise. Artificial insemination is an option in many cases like oligozoospermia or oligoasthenozoospermia. Homologous insemination is helpful for some couples in whom sperm count is low.

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