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0409U000917,
к.б.н.
18-02-2009
o
3. Influence of microwave irradiation on the Saccharomyces cerevisiae yeast culture, bacteria Escherichia coli and green alga Dunaliella viridis
Nizhelska Olena Igorivna,
popup.head Vasul’ev Alexander Nikolayevich
popup.opponent Говорун Дмитро Миколайович
popup.opponent Мартинюк Віктор Семенович
У дисертації розглянуто особливості експериментального дослідження впливу слабких електромагнітних над-високочастотних випромінювань (ЕМВ НВЧ) на культури мікроорганізмів. Описано методи підготовки тест-культур, з використанням яких можна підвисити співвідношення сигнал/шум. При дослідженні післядії одноразового опромінювання НВЧ дріжджів виявлено зміни швидкості росту і життєздатності клітин у їхніх наступних генераціях. Методом квазіпружного розсіювання світла вперше показано, що для водорості D. viridis і бактерій E. coli дія НВЧ-поля викликає зміни рухової активності клітин, зокрема, таксис. За даними експериментів, ефективна тривалість дії ЕМВ НВЧ на мікроорганізми значно менше тривалості клітинного циклу. В роботі визначено частотні залежності (в тому числі гостро резонансні) біологічної дії ЕМВ НВЧ на культури мікроорганізмів, які узгоджуються з даними інших досліджень. Чисельне оцінювання біологічного ефекту при варіації умов експерименту дозволяє зробити висновок, що більш сприйнятливими до дії ЕМВ НВЧ є культури з уповільненими метаболічними процесами (в стаціонарній фазі росту, охолоджені, на збідненому поживному середовищі). Показано можливість регулювання біоефектів НВЧ за допомогою температури і хімічних сполук.
2009-02-18
2020-04-04
Updated: 2025-12-07
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