semisynthetic


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semisynthetic

 [sem″e-sin-thet´ik]
produced by chemical manipulation of naturally occurring substances.

sem·i·syn·thet·ic

(sem'ē-sin-thet'ik),
Describing the process of synthesizing a particular chemical using a naturally occurring chemical as a starting material, thus obviating part of a total synthesis, for example, the conversion of cholesterol (obtained from a natural source) into a corticosteroid.

semisynthetic

/semi·syn·thet·ic/ (-sin-thet´ik) produced by chemical manipulation of naturally occurring substances.

semisynthetic

(sĕm′ē-sĭn-thĕt′ĭk, sĕm′ī-)
adj.
1. Prepared by chemical synthesis from natural materials: a semisynthetic antibiotic.
2. Consisting of a mixture of natural and synthetic substances: a semisynthetic culture medium.

semisynthetic

[-sinthet′ik]
Etymology: L, semi, half; Gk, synthesis, putting together
pertaining to a natural substance that has been partially altered by chemical manipulation.

sem·i·syn·thet·ic

(sem'ē-sin-thet'ik)
Describing the process of synthesizing a particular chemical using a naturally occurring chemical as a starting material, thus obviating part of a total synthesis.

sem·i·syn·thet·ic

(sem'ē-sin-thet'ik)
Describing process of synthesizing a particular chemical using a naturally occurring chemical as a starting material, thus obviating part of a total synthesis, e.g., conversion of cholesterol into a corticosteroid.

semisynthetic

produced by chemical manipulation of naturally occurring substances.
References in periodicals archive ?
The fourth category of petroleum-based MWFs is semisynthetic oil-based MWFs, commonly referred to as "preformed" emulsions (Choi, Ahn, Kwon, & Chun, 1997).
Under this scenario, a single larva succumbing to BtCc would produce enough spores/[delta]-endotoxins to kill all of the associated healthy conspecifics feeding within a cactus or in containers with semisynthetic diet.
Exposure to synthetic or semisynthetic opioids may require even higher naloxone doses for reversal.
Both patients were successfully treated with rehydration therapy and intravenous vibramycin (a semisynthetic tetracycline).
It needs to be dipped regularly and uses 5W-30 semisynthetic oil.
The materials injected are natural skin constituents, 'engineered' dermal materials and semisynthetic substances.
Dalbavancin is a semisynthetic glycopeptide drug which has an extremely long half life (5--7 days) which will allow once weekly dosing.
The antibiotics that presented the highest resistance indexes were the semisynthetic penicillins, ampicillin (33.
15) Danazol, a semisynthetic androgen used to treat endometriosis and hereditary angioedema (and abused as a performance-enhancing androgen by athletes) can induce hypertension through salt and water retention; blood pressure usually responds to low-dose diuretics if the drug cannot be stopped.
Indeed, Mathieu Briand is fascinated by LSD, a semisynthetic derivative of ergot.
Imipenem (N-formimidiyl thienamycin), a carbapenem, is a semisynthetic derivative of thienamycin produced by Streptomyces cattleya.
Bromocriptine is a semisynthetic ergot alkaloid that binds to receptors on normal and tumor lactotrophs and inhibits the synthesis and secretion of prolactin.