P A Lukyanovich, B A Zon, M Yu Grabovich, E V Shchelukhina, Yu I Danilova, M V Orlova, Yu O Sapeltseva, D I Sinugina
{"title":"[红蓝光复合影响对大肠杆菌活力的非线性影响]。","authors":"P A Lukyanovich, B A Zon, M Yu Grabovich, E V Shchelukhina, Yu I Danilova, M V Orlova, Yu O Sapeltseva, D I Sinugina","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>A non-linear dependence of the inhibition of E. coli cells is found when irradiated simultaneously with the blue and red regions of the spectrum at a power density of 100 mW/cm2. Such dependence is explained by the assumption of a cascade two-photon absorption of light by DNA molecules with an intermediate resonance at cellular chromophores, causing excitation and subsequent DNA damage similar to damage when exposed to UV radiation.</p>","PeriodicalId":8942,"journal":{"name":"Biofizika","volume":"61 2","pages":"310-5"},"PeriodicalIF":0.0000,"publicationDate":"2016-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"[The Nonlinear Effect of the Composite Influence of Red and Blue Light on Bacteria Escherichia coli Viability].\",\"authors\":\"P A Lukyanovich, B A Zon, M Yu Grabovich, E V Shchelukhina, Yu I Danilova, M V Orlova, Yu O Sapeltseva, D I Sinugina\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>A non-linear dependence of the inhibition of E. coli cells is found when irradiated simultaneously with the blue and red regions of the spectrum at a power density of 100 mW/cm2. Such dependence is explained by the assumption of a cascade two-photon absorption of light by DNA molecules with an intermediate resonance at cellular chromophores, causing excitation and subsequent DNA damage similar to damage when exposed to UV radiation.</p>\",\"PeriodicalId\":8942,\"journal\":{\"name\":\"Biofizika\",\"volume\":\"61 2\",\"pages\":\"310-5\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Biofizika\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biofizika","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
[The Nonlinear Effect of the Composite Influence of Red and Blue Light on Bacteria Escherichia coli Viability].
A non-linear dependence of the inhibition of E. coli cells is found when irradiated simultaneously with the blue and red regions of the spectrum at a power density of 100 mW/cm2. Such dependence is explained by the assumption of a cascade two-photon absorption of light by DNA molecules with an intermediate resonance at cellular chromophores, causing excitation and subsequent DNA damage similar to damage when exposed to UV radiation.
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