UVC glossary on UVC disinfection & Co.
The glossary below contains approx. 220 terms and abbreviations relating to UVC disinfection and UVC disinfection.
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E. coli
[Abbr. Escherichia coli] - E. coli is a Gram-negative, rod-shaped, facultatively anaerobic and acid producing bacterium, occurring in the guts of humans and animals. It owes its name to its discoverer, bacteriologist and professor of paediatrics Theodor Escherich.
E. coli is considered to be an indicator bacterium for faecal contamination. It preferentially colonises raw milk, cheese and raw meat. Exposure to UVC causes lethal damage to E. coli. There is probably no microorganism that has been better documented and investigated. -
elastomer
Elastomers are elastically deformable plastics which nevertheless retain a fixed shape. After mechanical deformation, they therefore reassume their original shape.
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electromagnetic spectrum
The electromagnetic spectrum is the range of all frequencies of electromagnetic waves.
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electromagnetic wave
An electromagnetic wave consists of an electrical and a magnetic field component. Unlike pressure waves, electromagnetic waves do not require a medium for propagation; their propagation speed depends on the medium, with propagation in a vacuum taking place at the speed of light. The best-known electromagnetic waves are probably those described colloquially as 'light'.
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electron
An electron is an electrically charged elementary particle. An (e-) electron is negatively charged. A positively charged elementary particle (e+) is called a positron.
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electrostatics
Theory of resting charges and their temporally stable electric fields.
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EMC
[Abbr. for electromagnetic compatibility] - A test criterion for electric or electronic devices describing their freedom from interference with their surroundings.
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emission (phys.)
The sending out of electromagnetic waves.
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emitter
From the Latin emittere 'to send out'. In physics, the source of radiation is defined as an emitter. From the same provenance as the term emission.
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endotoxins
Endotoxins are lipopolysaccharides found in the outer membrane of Gram-neagtive bacteria. Released during the decay of microorganisms, they have a toxic effect.
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enterobacteria
The term enterobacteria (sci. term Enterobacteriaceae) is understood to mean those bacteria occurring in the guts of animals or humans (Gr. enteron = intestine). Enterobacters belong to the family of facultative anaerobes, meaning that the require no oxygen (O2) for their metabolism. A typical member of this family is E. coli.
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enterococci
Enterococci (sing. Enterococcus) are Gram-positive anaerobic bacteria arranged in pairs or short chains. They also belong to the type of microorganisms populating the guts of animals and humans. Enterococci have an important digestive function and are added to fermentation and ripening processes in food production as well as to probiotic foodstuffs to promote intestinal microflora.
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EPDM
[Abbr. for ethylene propylene diene monomer] - EPDM is a synthetic rubber used primarily as a sealant and hose material on account of its good elasticity and high resistance to ozone, acid and alkali
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epidemic
A localised, heavily massed occurrence of an infectious disease - see also pandemic.
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erythema
Medical term for redness of the skin, or a reddish-coloured dermatitis (inflammation of the skin).
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EU Directive 2006-25-EG
EU health and safety directive for protecting workers from the risks arising from artificial optical radiation. The original text of the directive (PDF 844 kB) can be found here...
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eucaryotic cells
Also know as eukaryotes - Cells with a membrane-surrounded nucleus in which the DNA is stored in the form of chromosomes.
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exotoxins
Exotoxins are poisonous substances constantly being excreted by bacteria.
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exposure
The state of being subject to contact with something.
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exposure time
Here: Length of time for which an organism is exposed to UV radiation.
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E. coli
[Abbr. Escherichia coli] - E. coli is a Gram-negative, rod-shaped, facultatively anaerobic and acid producing bacterium, occurring in the guts of humans and animals. It owes its name to its discoverer, bacteriologist and professor of paediatrics Theodor Escherich.
E. coli is considered to be an indicator bacterium for faecal contamination. It preferentially colonises raw milk, cheese and raw meat. Exposure to UVC causes lethal damage to E. coli. There is probably no microorganism that has been better documented and investigated. -
elastomer
Elastomers are elastically deformable plastics which nevertheless retain a fixed shape. After mechanical deformation, they therefore reassume their original shape.
-
electromagnetic spectrum
The electromagnetic spectrum is the range of all frequencies of electromagnetic waves.
-
electromagnetic wave
An electromagnetic wave consists of an electrical and a magnetic field component. Unlike pressure waves, electromagnetic waves do not require a medium for propagation; their propagation speed depends on the medium, with propagation in a vacuum taking place at the speed of light. The best-known electromagnetic waves are probably those described colloquially as 'light'.
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electron
An electron is an electrically charged elementary particle. An (e-) electron is negatively charged. A positively charged elementary particle (e+) is called a positron.
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electrostatics
Theory of resting charges and their temporally stable electric fields.
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EMC
[Abbr. for electromagnetic compatibility] - A test criterion for electric or electronic devices describing their freedom from interference with their surroundings.
-
emission (phys.)
The sending out of electromagnetic waves.
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emitter
From the Latin emittere 'to send out'. In physics, the source of radiation is defined as an emitter. From the same provenance as the term emission.
-
endotoxins
Endotoxins are lipopolysaccharides found in the outer membrane of Gram-neagtive bacteria. Released during the decay of microorganisms, they have a toxic effect.
-
enterobacteria
The term enterobacteria (sci. term Enterobacteriaceae) is understood to mean those bacteria occurring in the guts of animals or humans (Gr. enteron = intestine). Enterobacters belong to the family of facultative anaerobes, meaning that the require no oxygen (O2) for their metabolism. A typical member of this family is E. coli.
-
enterococci
Enterococci (sing. Enterococcus) are Gram-positive anaerobic bacteria arranged in pairs or short chains. They also belong to the type of microorganisms populating the guts of animals and humans. Enterococci have an important digestive function and are added to fermentation and ripening processes in food production as well as to probiotic foodstuffs to promote intestinal microflora.
-
EPDM
[Abbr. for ethylene propylene diene monomer] - EPDM is a synthetic rubber used primarily as a sealant and hose material on account of its good elasticity and high resistance to ozone, acid and alkali
-
epidemic
A localised, heavily massed occurrence of an infectious disease - see also pandemic.
-
erythema
Medical term for redness of the skin, or a reddish-coloured dermatitis (inflammation of the skin).
-
EU Directive 2006-25-EG
EU health and safety directive for protecting workers from the risks arising from artificial optical radiation. The original text of the directive (PDF 844 kB) can be found here...
-
eucaryotic cells
Also know as eukaryotes - Cells with a membrane-surrounded nucleus in which the DNA is stored in the form of chromosomes.
-
exotoxins
Exotoxins are poisonous substances constantly being excreted by bacteria.
-
exposure
The state of being subject to contact with something.
-
exposure time
Here: Length of time for which an organism is exposed to UV radiation.
-
E. coli
[Abbr. Escherichia coli] - E. coli is a Gram-negative, rod-shaped, facultatively anaerobic and acid producing bacterium, occurring in the guts of humans and animals. It owes its name to its discoverer, bacteriologist and professor of paediatrics Theodor Escherich.
E. coli is considered to be an indicator bacterium for faecal contamination. It preferentially colonises raw milk, cheese and raw meat. Exposure to UVC causes lethal damage to E. coli. There is probably no microorganism that has been better documented and investigated. -
elastomer
Elastomers are elastically deformable plastics which nevertheless retain a fixed shape. After mechanical deformation, they therefore reassume their original shape.
-
electromagnetic spectrum
The electromagnetic spectrum is the range of all frequencies of electromagnetic waves.
-
electromagnetic wave
An electromagnetic wave consists of an electrical and a magnetic field component. Unlike pressure waves, electromagnetic waves do not require a medium for propagation; their propagation speed depends on the medium, with propagation in a vacuum taking place at the speed of light. The best-known electromagnetic waves are probably those described colloquially as 'light'.
-
electron
An electron is an electrically charged elementary particle. An (e-) electron is negatively charged. A positively charged elementary particle (e+) is called a positron.
-
electrostatics
Theory of resting charges and their temporally stable electric fields.
-
EMC
[Abbr. for electromagnetic compatibility] - A test criterion for electric or electronic devices describing their freedom from interference with their surroundings.
-
emission (phys.)
The sending out of electromagnetic waves.
-
emitter
From the Latin emittere 'to send out'. In physics, the source of radiation is defined as an emitter. From the same provenance as the term emission.
-
endotoxins
Endotoxins are lipopolysaccharides found in the outer membrane of Gram-neagtive bacteria. Released during the decay of microorganisms, they have a toxic effect.
-
enterobacteria
The term enterobacteria (sci. term Enterobacteriaceae) is understood to mean those bacteria occurring in the guts of animals or humans (Gr. enteron = intestine). Enterobacters belong to the family of facultative anaerobes, meaning that the require no oxygen (O2) for their metabolism. A typical member of this family is E. coli.
-
enterococci
Enterococci (sing. Enterococcus) are Gram-positive anaerobic bacteria arranged in pairs or short chains. They also belong to the type of microorganisms populating the guts of animals and humans. Enterococci have an important digestive function and are added to fermentation and ripening processes in food production as well as to probiotic foodstuffs to promote intestinal microflora.
-
EPDM
[Abbr. for ethylene propylene diene monomer] - EPDM is a synthetic rubber used primarily as a sealant and hose material on account of its good elasticity and high resistance to ozone, acid and alkali
-
epidemic
A localised, heavily massed occurrence of an infectious disease - see also pandemic.
-
erythema
Medical term for redness of the skin, or a reddish-coloured dermatitis (inflammation of the skin).
-
EU Directive 2006-25-EG
EU health and safety directive for protecting workers from the risks arising from artificial optical radiation. The original text of the directive (PDF 844 kB) can be found here...
-
eucaryotic cells
Also know as eukaryotes - Cells with a membrane-surrounded nucleus in which the DNA is stored in the form of chromosomes.
-
exotoxins
Exotoxins are poisonous substances constantly being excreted by bacteria.
-
exposure
The state of being subject to contact with something.
-
exposure time
Here: Length of time for which an organism is exposed to UV radiation.
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