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microorganism
Book article from: A Dictionary of Nursing
microorganism ( microbe ) (my-kroh- or -găn-izm) n. any organism too small to be visible to the naked eye. Microorganisms include bacteria, some fungi, mycoplasmas, protozoa, rickettsiae, and viruses.
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Plenčič (or Plenciz), Marcus Antonius
Dictionary entry from: Complete Dictionary of Scientific Biography
...contagious diseases to be caused by microorganisms, which he called “ animalcula...animalcula insensibilia . ” These microorganisms, he stated, are both specific and...concerning the animal nature of the microorganisms. The microorganisms are, in addition...
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Kluyver, Albert Jan
Dictionary entry from: Complete Dictionary of Scientific Biography
...study of the chemical activities of microorganisms was still in its infancy. The microbiologist...knowledge of the chemical activities of microorganisms was virtually restricted to an awareness...some of the chemical activities of microorganisms might be utilized on a commercial...
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biological warfare
Book article from: A Dictionary of Biology
...biological warfare The military use of microorganisms, such as bacteria, viruses, fungi, and other microorganisms, including the agents for anthrax...developing virulent strains of existing microorganisms, using genetic engineering and...
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Food Preservation
Dictionary entry from: Dictionary of American History
...since heating killed some of the microorganisms and enzymes that caused spoilage...observed the relationships between microorganisms and food spoilage some fifty years...enough to kill the spoilage-causing microorganisms. Canning spread rapidly. In 1810...
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antibiotics
Book article from: A Dictionary of Biology
...destroy or inhibit the growth of microorganisms, particularly disease-producing...Antibiotics are obtained from microorganisms (especially moulds) or synthesized...development of resistant strains of microorganisms.
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Pouchet, Félix-Archiméde
Dictionary entry from: Complete Dictionary of Scientific Biography
...Pasteur over the question of whether microorganisms could be spontaneously generated...of his own and of others in which microorganisms appeared in nutrient media although...deposits from filtered air contained microorganisms or, at least, ’ ’...
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bioreactor
Book article from: A Dictionary of Biology
...stainless steel tank used to grow producer microorganisms in the industrial production of enzymes...appropriate nutritional requirements for the microorganism. When the nutrients have been utilized...removed during the growth phase of the microorganisms, but an intracellular product must...
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fermentation
Book article from: A Dictionary of Biology
...anaerobic respiration occurring in certain microorganisms, e.g. yeasts. Alcoholic fermentation...fermentation , which occurs in many microorganisms and (when sugar is in short supply...the end product is lactic acid. Microorganisms display a range of fermentations...
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vaccine
Book article from: A Dictionary of Biology
...of treated disease-producing microorganisms or their products used to stimulate...as antigens, live but weakened microorganisms (see attenuation ), specially...or antigenic extracts of the microorganism.
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