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Effect of relative humidity on the survival of airborne unicellular algae.
Both species showed the greatest loss in viability during the first minute after atomization, and the extent of this inactivation, as a function of RH, reflected the subsequent long-term survival. Expand
Role of Relative Humidity in the Survival of Airborne Mycoplasma pneumoniae
Because of the extreme sensitivity of M. pneumoniae at critical humidity levels, control of the airborne transmission of these organisms may be possible in selected spaces. Expand
ANTIVIRAL SUBSTANCES FROM CALIFORNIA MARINE ALGAE 1
Members of Rhodophyta contained substance(s) which caused greater than a 2 log reduction in the infectivity of herpes simplex virus types 1 and 2, and anti‐Coxsackie Bs virus activity was detected in extracts of Constantinea simplex Setchell. Expand
Survival of a picornavirus and its infectious ribonucleic acid after aerosolization.
A comparison of the survival of an airborne virus with that of its infectious nucleic acid could possibly establish the role of the latter, as well as provide some information concerning the mechanism of inactivation for that particular airborne virus. Expand
ΑΝΤΙ-VIRAL PROPERTIES OF ALGAL POLYSACCHARIDES AND RELATED COMPOUNDS
Antiviral Activity of Extracts from Marine Algae
- J. T. Richards, E. Kern, L. Glasgow, J. Overall, E. F. Deign, M. T. Hatch
- Medicine, Biology
- Antimicrobial Agents and Chemotherapy
- 1 July 1978
The prophylactic but not therapeutic antiviral activity of these preparations seriously limits their potential use in human herpes simplex virus infections. Expand
A particle-sizing method for aerosols and fine powders.
A photomultiplier tube, monitoring the amount of light scattered at right angles by the particles as they passed through a Tyndall beam, provided a measure of the fallout of the aerosol as it decayed with time. Expand
Effects of oxygen on aerosol survival of radiation sensitive and resistant strains of Escherichia coli B.
It is shown that two different death mechanisms occur simultaneously in aerosols at low relative humidity, one mechanism is oxygen dependent and the other oxygen independent. Expand
Survival of airborne Mycoplasma as affected by relative humidity
By examining the effect on airborne mycoplasmas of various humidity levels over extended periods of time, it is hoped to gain an increased understanding of their role as possible airborne contagion and the effects ofRH upon the survival of such contagion. Expand
Response of airborne Mycoplasma pneumoniae to abrupt changes in relative humidity.
Results indicate that the biological stability of airborne M. pneumoniae may be easily modified by a sudden change in the relative humidity, such as occurs in natural atmospheres, and may provide a method whereby the control of these organisms in naturally contaminated indoor air environments may be eventually achieved. Expand