Comment produit-on l'acide citrique ?

 Les aliments sous vide durent plus longtemps grâce à un processus qui limite les principales causes de dégradation des aliments : l’oxydation, la prolifération microbienne, et l’évaporation.

L’oxygène et l’oxydation

L’oxygène de l’air joue un rôle central ...

Les pupilles des animaux présentent une grande variété de formes, allant des cercles aux fentes, en passant par les rectangles. Les pupilles rectangulaires, visibles chez des animaux comme les moutons, les chèvres ou certains amphibiens, jouent un rôle crucial dans leur survie ...

Hypochlorous acid is a promising disinfectant that is difficult to commercialize because it is not very shelf-stable. Senior features editor Jen Schwartz takes us through what the science of this nontoxic disinfectant is and explains why its popularity in the beauty aisle is only ...  Afficher plus

Fungus gets a bad rap sometimes, but the fungi amongi do incredibly important work breaking down dead stuff. Learn more in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/cellular-microscopic/fungi.htmSee omnystudio.com/listener for priva ...  Afficher plus

Dr. Ravi Mehta and Dr. Ashita Tolwani discuss best practices on anticoagulation and citrate use, why circuit patency and integrity are important for CRRT, and how and when to use anticoagulation. They also discuss preferred methods for anticoagulation and the parameters that shou ...  Afficher plus

Life expectancy has risen dramatically since 1900, reshaping how we understand aging. Scientists now view skin not just as a surface indicator, but as a biological marker of systemic health. In this podcast episode, Scientific American Custom Media explores how longevity science ...  Afficher plus