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Authors = Dimitra Marmara

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10 pages, 1910 KiB  
Article
Biological Effects of Non-Ionizing Electromagnetic Fields at 27 GHz on Sperm Quality of Mytilus galloprovincialis
by Roberta Pecoraro, Santi Concetto Pavone, Elena Maria Scalisi, Carmen Sica, Sara Ignoto, Martina Contino, Antonio Salvaggio, Dimitra Marmara, Gino Sorbello, Loreto Di Donato and Maria Violetta Brundo
J. Mar. Sci. Eng. 2022, 10(4), 521; https://doi.org/10.3390/jmse10040521 - 9 Apr 2022
Cited by 3 | Viewed by 11491
Abstract
Recently, an increasing use of wireless internet technologies has been demonstrated. The devices which use these technologies emit in new spectral regions an electromagnetic radiation (EMF) which could interact with the male reproductive system. The aim of this study was to investigate in [...] Read more.
Recently, an increasing use of wireless internet technologies has been demonstrated. The devices which use these technologies emit in new spectral regions an electromagnetic radiation (EMF) which could interact with the male reproductive system. The aim of this study was to investigate in vitro the effect of electromagnetic fields at 27 GHz on sperm quality in Mytilus galloprovincialis. Sperm samples were collected from sexually mature males of M. galloprovincialis and placed in seawater. Once we evaluated the number and quality of spermatozoa, sperm cells were exposed to electromagnetic fields radiated by a pyramidal horn antenna. The effect of exposure was evaluated after 10, 20, 30, 40 and 60 min by a light microscope and using an Eosin test. Ten replications were performed for each time series, and statistical analysis was carried out by t-test. Sperm motility decreased after 10 min of exposure, and after 30 min most of the spermatozoa were immobile and not vital. This study provides useful data on the potential ecological impact of the high-band 5G on animal fertility, the effect of which is currently under investigation. Full article
(This article belongs to the Special Issue Feature Papers in Marine Biology)
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16 pages, 783 KiB  
Article
Factors Influencing Quality of Life in Breast Cancer Patients Six Months after the Completion of Chemotherapy
by Maria Lavdaniti, Dimitra Anna Owens, Polixeni Liamopoulou, Kalliopi Marmara, Efrosini Zioga, Michael S. Mantzanas, Eftychia Evangelidou and Eugenia Vlachou
Diseases 2019, 7(1), 26; https://doi.org/10.3390/diseases7010026 - 24 Feb 2019
Cited by 17 | Viewed by 5784
Abstract
Purpose: To assess breast cancer patients’ quality of life six months after the completion of adjuvant chemotherapy, and to investigate factors affecting this. Methods: The study was conducted in one large hospital located in a major Greek city. A convenience sample of 61 [...] Read more.
Purpose: To assess breast cancer patients’ quality of life six months after the completion of adjuvant chemotherapy, and to investigate factors affecting this. Methods: The study was conducted in one large hospital located in a major Greek city. A convenience sample of 61 breast cancer outpatients was recruited. A questionnaire, including the SF-36 scale and questions regarding demographic and clinical information, was used to collect data. Results: The mean age of the patients was 51.52 ± 12.10. The effect of age on the physical role was significant (p = 0.003). Τhe effect of menopausal status on physical role was also found to be significant (p = 0.003); this might be explained by age. Regarding the treatment type, patients who received hormone therapy in addition to surgery and chemotherapy reported a significantly higher quality of life in terms of bodily pain (p = 0.04) and vitality (p = 0.04) than patients who underwent only surgery and chemotherapy. Conclusions: Quality of life is affected by factors such as age, menopausal status, and previous therapy. Health care professionals should be more aware of the factors that influence the quality of life domains (physical role, bodily pain, vitality) within this group of cancer patients in order to meet their needs following acute treatment. Full article
(This article belongs to the Special Issue Neuro-psychiatric Disorders - from Diagnosis to Care)
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