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Fabio Eduardo Fontana 한국상담학회 2019 Journal of Asia Pacific counseling Vol.9 No.2
Depression and anxiety can result in debilitating consequences for children and adolescents. However, screening tools for depression and anxiety disorders are scarce in developing countries like Brazil. Thus, the purpose of this study was to cross-culturally adapt the Revised Child Anxiety and Depression Scale to Brazilian Portuguese and examine its psychometric properties among a non-clinical population of Brazilian children and adolescents. We rigorously cross-culturally adapted the RCADS to measure Brazilian children and adolescents while maintaining equivalence to its original English version. Eight to 18-yearold children and adolescents participated in the psychometric assessment of the instrument. The Brazilian Revised Child Anxiety and Depression Scale positively correlated to other measures of depression and anxiety; test-retest reliability was excellent, and Cronbach’s alphas for all subscales were adequate. A CFA supported the six-factor structure of the instrument. This study supports the psychometric properties of the Brazilian Revised Child Anxiety and Depression Scale in the assessment of anxiety and depression of Brazilian children and adolescents.
Fructo-Oligosaccharide Production from Inulin Through Partial Citric or Phosphoric Acid Hydrolyses
José Domingos Fontana,Adelia Grzybowski,Marcela Tiboni,Maurı´cio Passos 한국식품영양과학회 2011 Journal of medicinal food Vol.14 No.11
Purified inulin from Dahlia tubers was partially hydrolyzed to form fructo-oligosaccharides by using citric or phosphoric acids (pH, 2.0–2.5) as mild acid catalysts. The ideal kinetic conditions to ensure a high yield of fructo-oligosaccharides relative to free fructose were a temperature range of 85°C–95°C, a hydrolysis time of 15–25 minutes, and a catalyst pH of 2.5. At the higher temperature and the longest hydrolysis time, an inversion of the product ratio occurred. Under these conditions, co-generation of hydroxymethylfurfural occurred, and it was eliminated by activated charcoal. Unlike in classic hydrolysis with hydrochloric or sulfuric acid, deionization of the actual hydrolysates was not necessary because the catalyst neutralization with common bases results in the formation of co-nutrients with alternative uses as foods or fermentation substrates. These whole hydrolysates can be advantageously added as nutraceuticals to carbonated beverages and acidic foods, such as soft drinks and yogurts.
Effect of the Bleaching on Physical and Mechanical Properties of Different Fabrics
Giulia Dalla Fontana,Alessio Varesano,Claudia Vineis 한국섬유공학회 2018 Fibers and polymers Vol.19 No.12
Two different commercial bleaching products containing hypochlorite were used on different fabrics (plain-weave cotton, knitted cotton, plain-weave polyester-cotton and knitted lycra-cotton) to verify possible fibres damages. Bleaching products differ each other for the alkaline formulation. In particular, one of them has an alkaline bleaching formulation and the other has a low-alkaline bleaching formulation. The degree of whiteness, the tensile and bursting strength, and the thermal and surface properties were evaluated after a different number of washing cycles. The obtained results reveal that the alkaline bleaching product is better than the low-alkaline bleaching product in maintaining mechanical properties and in improving optical properties of the fabrics.
Polynomial extensions of semistar operations
Chang, G.W.,Fontana, M.,Park, M.H. Academic Press 2013 Journal of algebra Vol.390 No.-
We provide a complete solution to the problem of extending arbitrary semistar operations of an integral domain D to semistar operations of the polynomial ring D[X]. As an application, we show that one can reobtain the main results of the papers in Chang and Fontana (2007, 2011) [1,2] concerning the problem in the special cases of stable semistar operations of finite type or semistar operations defined by families of overrings. Finally, we investigate the behavior of the polynomial extensions of the most important and classical operations such as d<SUB>D</SUB>, v<SUB>D</SUB>, t<SUB>D</SUB>, w<SUB>D</SUB> and b<SUB>D</SUB> operations.
Impact of COVID-19 Pandemic on Psychological Well-Being of Firefighters
Riccardi Elisabetta,Fontana Luca,Pacella Daniela,Fusco Fabio,Marinaro Ilaria,Costanzo Giovanna,Vassallo Francesco,Triassi Maria,Iavicoli Ivo 한국산업안전보건공단 산업안전보건연구원 2023 Safety and health at work Vol.14 No.3
Background: COVID-19 pandemic represented a unique stressful event that affected the physical health and psychological well-being (PWB) of individuals and communities. Monitoring PWB is essential not only to clarify the burden on mental health effects but also to define targeted psychological-supporting measures. This cross-sectional study evaluated the PWB of Italian firefighters during the pandemic. Methods: Firefighters recruited during the pandemic period filled out a self-administered questionnaire, the Psychological General Well-Being Index, during the health surveillance medical examination. This tool is usually used to assess the global PWB and explores six subdomains: anxiety, depressed mood, positive well-being, self-control, general health, and vitality. The influencing roles of age, gender, working activities, COVID-19, and pandemic restrictive measures were also explored. Results: A total of 742 firefighters completed the survey. The aggregate median PWB global score was in the “no distress” range (94.3 ± 10.3), which was higher than that observed in studies conducted using the same tool in the Italian general population during the same pandemic period. Similar findings were observed in the specific subdomains, thus suggesting that the investigated population was in good PWB condition. Interestingly, significantly better outcomes were detected in the younger firefighters. Conclusion: Our data showed a satisfactory PWB situation in firefighters that could be related to different professional factors such as work organization and mental and physical training. In particular, our results would suggest the hypothesis that in firefighters, maintaining a minimum/moderate level of physical activity (consisting of even just going to work) might have a profoundly positive impact on psychological health and well-being.