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1.
J Photochem Photobiol B ; 139: 76-84, 2014 Oct 05.
Article in English | MEDLINE | ID: mdl-24912405

ABSTRACT

The study of the photoinduced ultraweak photon emission in the optical wavelength range, namely the Delayed Luminescence, from human cells and tissues has an increasingly growing interest in view of its possible application in optical biopsy. Due to the low level, dedicated experimental set-up are necessary to reveal such photoluminescence signal. The paper reviews the results obtained in the field of cancer research, by using the experimental equipment for fast ultraweak luminescence analysis ARETUSA developed at the National Southern Laboratories of the National Nuclear Physics Institute (LNS-INFN), in Catania, Italy. Delayed Luminescence signals from normal and cancer cells are compared and the relationship between Delayed Luminescence and apoptosis is investigated.


Subject(s)
Luminescent Measurements/instrumentation , Neoplasms/pathology , Apoptosis , Humans , Models, Biological
2.
Br J Sports Med ; 47(16): 1054-8, 2013 Nov.
Article in English | MEDLINE | ID: mdl-24068332

ABSTRACT

BACKGROUND: Oral health is important both for well-being and successful elite sporting performance. Reports from Olympic Games have found significant treatment needs; however, few studies have examined oral health directly. The aim of this study was to evaluate oral health, the determinants of oral health and the effect of oral health on well-being, training and performance of athletes participating in the London 2012 Games. METHODS: Cross-sectional study at the dental clinic within the Polyclinic in the athletes' village. Following informed consent, a standardised history, clinical examination and brief questionnaire were conducted. RESULTS: 302 athletes from 25 sports were recruited with data available for 278. The majority of athletes were from Africa, the Americas and Europe. Overall, the results demonstrated high levels of poor oral health including dental caries (55% athletes), dental erosion (45% athletes) and periodontal disease (gingivitis 76% athletes, periodontitis 15% athletes). More than 40% of athletes were 'bothered' by their oral health with 28% reporting an impact on quality of life and 18% on training and performance. Nearly half of the participants had not undergone a dental examination or hygiene care in the previous year. CONCLUSIONS: The oral health of athletes attending the dental clinic of the London 2012 Games was poor with a resulting substantial negative impact on well-being, training and performance. As oral health is an important element of overall health and well-being, health promotion and disease prevention interventions are urgently required to optimise athletic performance.


Subject(s)
Athletic Performance/physiology , Oral Health , Adolescent , Adult , Beverages/adverse effects , Cross-Sectional Studies , Facial Injuries/epidemiology , Facial Injuries/physiopathology , Female , Health Status , Humans , London/epidemiology , Male , Middle Aged , Pericoronitis/epidemiology , Pericoronitis/physiopathology , Quality of Life , Tooth Diseases/epidemiology , Tooth Diseases/physiopathology , Tooth Injuries/epidemiology , Tooth Injuries/physiopathology , Young Adult
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