narrow spectrum


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narrow spectrum

Having a limited span of action against only a few diseases, conditions, or pathogens.
See also: spectrum
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Desserts operate in a relatively narrow spectrum of both flavours (how far can you take chocolate and cherries?) and textures (all those creamy dollops, from crAaAaAeA?me brAaAaAeA} to Eton Mess).
The definitions of narrow and broad spectrum antibiotics were not consistent across the studies, yet that definition is clinically important given the recommendation by some (Bailey et al., 2014; Saari et al., 2015) to avoid broad spectrum antibiotics in favor of narrow spectrum. Azad et al.
Sarecycline is a once-daily, oral, narrow spectrum tetracycline-derived antibiotic with anti-inflammatory properties for the potential treatment of moderate to severe acne.
In the study, broad spectrum antibiotics were prescribed more than narrow spectrum, maybe due to the ease of compliance with the treatment regimen or uncertainty about the diagnosis.
8 Kenall Manufacturing's new line of Indigo-Clean OR light fixtures uses LEDs to generate visible white light that also contains a narrow spectrum of indigo-colored light.
In 2009, ONCE began developing a way to illuminate chicken embryos with a narrow spectrum of light, and choose whether the embryo would grow into a male or female.
Through the use of non-dilutive funding, BARDA's Antibacterials program incentivizes the antimicrobial product pipeline with the goal to increase ongoing research and development of both broad and narrow spectrum products that are effective against biodefense pathogens as well as antimicrobial resistant bacterial pathogens.
Contributors from a number of medical specialties and biological sciences present a broad reference to antimicrobials, both broad spectrum and narrow spectrum. The cover broad spectrum antimicrobials in sections of compounds from microorganisms, from marine organisms, from animals, and from chemical synthesis.
Antibiotics that affect only a few types of bacteria are called narrow spectrum antibiotics (e.g., penicillin).
For an initially nearly monochromatic wave with a narrow spectrum the energy is concentrated at the carrier wave frequency, so that [[eta].sub.max] [approximately equal to] [absolute value of [a.sub.carrier]].
Antibiotic agents that act against a limited subset of bacteria were classified as narrow spectrum, while antibiotic agents that act against a wider range of bacteria (gram-positive and gram-negative) were classified as broad spectrum.