What are the techniques used to analyze the biochemical composition of semen?

Dec 3, 2021 ... Researchers in China have designed an alternative to plastic using an unlikely source: salmon sperm. Semen or seminal fluid is the mixture of sperm and the secretions of the seminal vesicles, prostate gland, and the bulbourethral glands. Over the course of a ... ... sperm penetration measured in DETs, direct measurements were made of concentration profiles of the spermicide nonoxynol-9 (N9) after diffusion into mucus ... May 7, 2024 ... Sperm whales have lengthy exchanges, made up of clicks, which scientists have found is more complex than previously thought. Getty Images. Sperm ... Sep 13, 2017 ... Scientists have been able to observe sperm cells since the invention of the optical microscope. But capturing their unique swimming motion ... Semen then travels through the urethra and out of the penis. Male fertility depends on your body being able to make and deliver normal sperm. The sperm go into ... Aug 21, 2013 ... Starting with the skin cells of mice in vitro, he created primordial germ cells (PGCs), which can develop into both sperm and eggs. To prove ... Jan 8, 2025 ... Audio recordings of classic and contemporary poems read by poets and actors, delivered every day. Subscribe. More Episodes from Audio Poem ... Sep 22, 2021 ... The Lacey Act makes it a crime to sell in interstate commerce wildlife possessed in violation of any state law when in the exercise of due care ... Jan 17, 2014 ... A new biohybrid micro-robot is developed by capturing bovine sperm cells inside magnetic microtubes that use the motile cells as driving force.