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高功率脉冲微波细胞生物效应中脉冲个数与效应的关系研究 被引量:6
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作者 裴剑 黄欣 +1 位作者 陈树德 乔登江 《辐射防护》 CAS CSCD 北大核心 2012年第1期1-7,共7页
研究了不同脉冲个数的2.71 GHz和9.33 GHz脉冲微波作用于IAR20鼠肝细胞和L-02人肝细胞所导致细胞增殖变化的生物效应,并对实验结果进行分析,通过拟合得到了脉冲个数与脉冲微波非热生物效应之间的剂量效应关系。在本实验范围内,脉冲微波... 研究了不同脉冲个数的2.71 GHz和9.33 GHz脉冲微波作用于IAR20鼠肝细胞和L-02人肝细胞所导致细胞增殖变化的生物效应,并对实验结果进行分析,通过拟合得到了脉冲个数与脉冲微波非热生物效应之间的剂量效应关系。在本实验范围内,脉冲微波辐照细胞后,细胞增殖率随脉冲个数的增加而呈近似e指数衰减规律,并且在脉冲个数达到一定值时,趋向饱和。 展开更多
关键词 脉冲微波 细胞增殖 非热生物效应 定量关系
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The biological effect and medical functions of the Infrared Rays 被引量:3
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作者 PANG Xiao-feng Institute of High-energy Electronics, University of Electronic Science and Technology of China,Chengdu 610054 and International centre for Materialsphysics, Chinese Academy of Sciences,Shenyang 110015,China 《Chinese Journal of Biomedical Engineering(English Edition)》 2001年第1期27-37,共11页
The quantum vibrational energy-spectra including high excited states of the protein molecules have been calculated by new theory of bio-energy transport along the protein molecules and its dynamic equation, discrete n... The quantum vibrational energy-spectra including high excited states of the protein molecules have been calculated by new theory of bio-energy transport along the protein molecules and its dynamic equation, discrete nonlinear Schrodinger equation, appropriate to the protein molecules on the basis of the level of molecular structure. This energy-spectra obtained are basically consistent with the experimental values by infrared absorption and radiated measurement of person’s hands and laser-Raman spectrum from metabolically active E.Coli.. From this energy-spectra we know that the infrared lights with (1-3)x1000nm and (5-7)x1000nm wavelength can be absorbed by the protein molecules in the living systems. In accordance with the non-linear theory of the bio-energy transport we know that the energy of the infrared light absorbed by the proteins can result in vibrations of amide-I in amino acids and can facilitate the bio-energy transport along the protein molecular chains from one place to other for the growth of living bodies. This processe is non-thermal. This is just non-thermal effect of the infrared lights. According to the mechanism we explained further the medical functions of the infrared lights absorbed. 展开更多
关键词 Infrared light BIO-ENERGY transport energy-spectra non-thermal biological effect MEDICAL function
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微波对食品微生物的非热生物效应与微波杀菌技术 被引量:20
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作者 李建忠 《西南民族大学学报(自然科学版)》 CAS 2006年第6期1219-1222,共4页
微波杀菌技术快速、高效、安全、保鲜,广泛应用于食品工业.微波对食品微生物具有热效应和非热生物效应,但其机理尤其是微波非热生物效应的机理,至今还不十分清楚.重点探讨了微波的非热生物效应,并结合微波杀菌的特点,提出今后的主要研... 微波杀菌技术快速、高效、安全、保鲜,广泛应用于食品工业.微波对食品微生物具有热效应和非热生物效应,但其机理尤其是微波非热生物效应的机理,至今还不十分清楚.重点探讨了微波的非热生物效应,并结合微波杀菌的特点,提出今后的主要研究方向仍是微波非热生物效应的机理及脉冲微波杀菌技术. 展开更多
关键词 微波非热生物效应 微波生物效应 微波杀菌技术 食品微生物 脉冲微波
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