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Lack of microbial genetic response to 2.45 gigahertz continuous wave and 8.5 9.6 gigahertz pulsed microwaves


, : Lack of microbial genetic response to 2.45 gigahertz continuous wave and 8.5 9.6 gigahertz pulsed microwaves. Journal of Microwave Power 14(3): 275-280

Strain D4 of the yeast Saccharomyces cerevisiae, and strains TA-1535, TA-100 and TA-98 of the bacterium Salmonella typhimurium were exposed to 2.45-GHz continuous wave or 8.5-9.6 GHz pulsed electromagnetic radiation (EMR) at various power densities from 1-45 mW/cm2. The temperature during radiation was maintained at 30.degree. C for yeast cultures and at 37.degree. C for bacterial cultures. The studies revealed no increase in mutations or of mitotic gene conversions when cells were radiated for 2 h or less. Decreased viability of cells was noted in all cultures tested after radiation at power densities of 30 mW/cm2 or more; no reliable changes in genetic events occurred.

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Other references

Weiss, L.; Maillet, F.; Kazatchkine, M., 1990: Lupus and protein deficiencies of the classical complement pathway. Deficiencies in proteins of the classic complement pathway are particularly frequent in patients with autoimmune diseases, notably systemic lupus erythematosus (SLE). The C4 component is a polymorphous glucoprotein coded by two closely linked gene...

Ge, X.; Feng, Z.; Xu, T.; Wu, B.; Chen, H.; Xu, F.; Fu, L.; Shan, X.; Dai, Y.; Zhang, Y.; Liang, G., 2016: A novel imidazopyridine derivative, X22, attenuates sepsis-induced lung and liver injury by inhibiting the inflammatory response in vitro and in vivo. Sepsis remains a leading cause of death worldwide. Despite years of extensive research, effective drugs to treat sepsis in the clinic are lacking. In this study, we found a novel imidazopyridine derivative, X22, which has powerful anti-inflammator...

Martínez, M.A.; Romero, H.; Perotti, N.I., 2014: Two amplicon sequencing strategies revealed different facets of the prokaryotic community associated with the anaerobic treatment of vinasses from ethanol distilleries. The prokaryotic consortium from a pilot-scale UASB reactor fed with vinasses from ethanol distilleries was evaluated by means of amplicon sequencing of the 16S rRNA gene. Two different sets of primers targeted to overlapping regions of the V4-16S...

Yang, W-Jia.; Xu, K-Kang.; Cong, L.; Wang, J-Jun., 2013: Identification, mRNA expression, and functional analysis of chitin synthase 1 gene and its two alternative splicing variants in oriental fruit fly, Bactrocera dorsalis. Two alternative splicing variants of chitin synthase 1 gene (BdCHS1) were cloned and characterized from the oriental fruit fly, Bactrocera dorsalis (Hendel). The cDNA of both variants (BdCHS1a and BdCHS1b) consisted of 5,552 nucleotides (nt), with...

Hambly, A.S., 1948: Chloroquine in human giardiasis. Federation Proceedings 7(1 Pt 1): 225-225

Lati, R.N.; Filin, S.; Aly, R.; Lande, T.; Levin, I.; Eizenberg, H., 2015: Using genetically modified tomato crop plants with purple leaves for absolute weed/crop classification. Weed/crop classification is considered the main problem in developing precise weed-management methodologies, because both crops and weeds share similar hues. Great effort has been invested in the development of classification models, most based on...

Mittler, R.; Zilinskas, B.A., 1993: Detection of ascorbate peroxidase activity in native gels by inhibition of the ascorbate-dependent reduction of nitroblue tetrazolium. A method for the detection of ascorbate peroxidase activity in native electrophoretic gels is described. The assay is based on the ability of ascorbate peroxidase to prevent the ascorbate-dependent reduction of nitroblue tetrazolium in the presenc...

Freneix, S., 1972: Daonella indica (Bivalvia) de la region d'Antalya (Bordure sud du Taurus, Turquie). Microstructure du test. Notes. Mem Moyen-Orient, 122: 173-181

Dimler, R.J.; Schaefer, W.C.; Wise, C.S.; Rest, C.E., 1952: Quantitative paper chromatography of D-glucose and its oligosaccharides. Unidirectional paper chromatography using solvents described earlier by Jeanes, Wise and Dimler is followed by elution of the desired carbohydrate and detn. of its optical density following treatment with anthrone. Analysis of mixtures of monosacc...

Zwart H.J., 1960: Relations between folding and metamorphism in the central Pyrenees, and their chronological succession. The structural and metamorphic history of the Hercynian (late Paleozoic) belt of the Pyrenees can be divided into prekinematic, early synkinematic, late synkinematic, and postkinematic phases. The early synkinematic phase can be subdivided into tw...