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  2. Semisynthesis - Wikipedia

    en.wikipedia.org/wiki/Semisynthesis

    Semisynthesis, or partial chemical synthesis, is a type of chemical synthesis that uses chemical compounds isolated from natural sources (such as microbial cell cultures or plant material) as the starting materials to produce novel compounds with distinct chemical and medicinal properties.

  3. Chemical synthesis - Wikipedia

    en.wikipedia.org/wiki/Chemical_synthesis

    Chemical synthesis (chemical combination) is the artificial execution of chemical reactions to obtain one or several products. [1] This occurs by physical and chemical manipulations usually involving one or more reactions.

  4. Penicillin - Wikipedia

    en.wikipedia.org/wiki/Penicillin

    The isolation of 6-APA, the nucleus of penicillin, allowed for the preparation of semisynthetic penicillins, with various improvements over benzylpenicillin (bioavailability, spectrum, stability, tolerance). The first major development was ampicillin in 1961. It offered a broader spectrum of activity than either of the original penicillins.

  5. Synthetic drug - Wikipedia

    en.wikipedia.org/wiki/Synthetic_drug

    Synthetic cannabinoids can provide psychotropic effects such as relieving nausea and dizziness. Phenethylamine can relieve depressive symptoms while Alprazolam can treat insomnia, panic attack and anxiety. [6]

  6. Is Compounded Semaglutide Effective for Weight Loss? - AOL

    www.aol.com/compounded-semaglutide-effective...

    What Is Compounded Semaglutide? The world of weight loss medications can be confusing. There are so many brand names and compounded drugs to keep up with. But compounded semaglutide isn’t as ...

  7. Human brain samples contain an entire spoon’s worth of ...

    www.aol.com/human-brain-samples-contain-entire...

    “Compared to autopsy brain samples from 2016, that’s about 50% higher,” he said. “That would mean that our brains today are 99.5% brain and the rest is plastic.” ...

  8. NYT ‘Connections’ Hints and Answers Today, Friday, February 7

    www.aol.com/nyt-connections-hints-answers-today...

    If you've been having trouble with any of the connections or words in Friday's puzzle, you're not alone and these hints should definitely help you out. Plus, I'll reveal the answers further down ...

  9. Hypromellose - Wikipedia

    en.wikipedia.org/wiki/Hypromellose

    Hypromellose (), short for hydroxypropyl methylcellulose (HPMC), is a semisynthetic, inert, viscoelastic polymer used in eye drops, as well as an excipient and controlled-delivery component in oral medicaments, found in a variety of commercial products.