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微波对生物体的影响。短裸甲藻——阿氏胶磷藻的相互作用。

Effects of microwaves on organisms. Ptychodiscus brevis--Gomphosphaeria aponina interactions.

作者信息

Martin B B, Martin D F, Bloch S C

出版信息

Microbios. 1979;26(103):17-23.

PMID:120925
Abstract

The two referenced organisms have been subjected to microwave irradiation (2,450 MHz CW). Initial experiments indicated no statistically significant loss of cell numbers as a result of simple temperature rise (6 degrees C) or experimental manipulation. Cell survival for P. brevis one week after irradiation was related to total energy absorbed, not power level used. Over a 48 h period, a first-order decrease in cell numbers was observed. All cells were destroyed at a threshold level of 0.1 kJ/cm3. In contrast, the blue-green alga G. aponina in log phase of growth showed no loss of cells. In the presence of G. aponina, P. brevis suffered cell lysis, though G. aponina thrived. Irradiation of the mixed cultures appeared to enhance the lysis effect.

摘要

所提及的两种生物体已接受微波辐照(2450兆赫连续波)。初步实验表明,单纯温度升高(6摄氏度)或实验操作并未导致细胞数量出现统计学上的显著减少。短裸甲藻在辐照一周后的细胞存活率与吸收的总能量有关,而非所使用的功率水平。在48小时期间,观察到细胞数量呈一级减少。当吸收能量达到0.1千焦/立方厘米的阈值水平时,所有细胞均被破坏。相比之下,处于对数生长期的蓝绿藻阿氏颤藻细胞数量未减少。在阿氏颤藻存在的情况下,短裸甲藻出现细胞裂解,而阿氏颤藻则生长旺盛。混合培养物的辐照似乎增强了裂解效果。

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Microbios. 1979;26(103):17-23.
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