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Mendes, Ana, Daniel Aelenei, L. Aguiar, C. Pereira, M. Neves, Silva P, Azevedo Susana, D. Mendes, L. Guimar, and J. Teixeira. "The Effects on Health of Indoor Air Quality and Thermal Comfort In Elderly Care Centers." 2nd International Conference on Occupational & Environmental Toxicology. 2013. Abstract
Reynders, G., R. Amaral Lopes, A. Marszal-Pomianowska, D. Aelenei, J. Martins, and D. Saelens. "Energy flexible buildings: An evaluation of definitions and quantification methodologies applied to thermal storage." Energy and Buildings. 166 (2018): 372-390. AbstractWebsite
Neuparth, Nuno, Daniel Aelenei, Iolanda Caires, João Teixeira, João Viegas, Manuela Cano, Paula Leiria-Pinto, and Pedro Martins Environment and Health in Children Day Care Centers - Ambiente e Sa. Eds. Nuno Neuparth, Daniel Aelenei, Iolanda Caires, Joao Paulo Teixeira, Jo Viegas, Manuela Cano, Paula Leiria Pinto, and Pedro Martins. Universidade Nova de Lisboa, 1169-056 Lisboa: Faculdade de Ciências Médicas, 2013.Website
Viegas, João, Daniel Aelenei, Susana Azevedo, Hildebrando Cruz, and Armando Pinto Santos. "Environment and health in children day care centre analysis and simulation of ventilation." The 10th International Conference on Industrial Ventilation. 2012. Abstract
Araujo-Martins, J., Carreiro P. Martins, J. Viegas, D. Aelenei, MM Cano, JP Teixeira, P. Paixão, AL Papoila, P. Leiria-Pinto, C. Pedro, and others. "Environment and Health in Children Day Care Centres (ENVIRH)–Study rationale and protocol." Revista portuguesa de pneumologia. 20 (2014): 311-323. Abstract

Background Indoor air quality (IAQ) is considered an important determinant of human health. The association between exposure to volatile organic compounds, particulate matter, house dust mite, molds and bacteria in day care centers (DCC) is not completely clear. The aim of this project was to study these effects. Methods ? study design This study comprised two phases. Phase I included an evaluation of 45 DCCs (25 from Lisbon and 20 from Oporto, targeting 5161 children). In this phase, building characteristics, indoor CO2 and air temperature/relative humidity, were assessed. A children's respiratory health questionnaire derived from the ISAAC (International Study on Asthma and Allergies in Children) was also distributed. Phase II encompassed two evaluations and included 20 DCCs selected from phase I after a cluster analysis (11 from Lisbon and 9 from Oporto, targeting 2287 children). In this phase, data on ventilation, IAQ, thermal comfort parameters, respiratory and allergic health, airway inflammation biomarkers, respiratory virus infection patterns and parental and child stress were collected. Results In Phase I, building characteristics, occupant behavior and ventilation surrogates were collected from all DCCs. The response rate of the questionnaire was 61.7% (3186 children). Phase II included 1221 children. Association results between DCC characteristics, IAQ and health outcomes will be provided in order to support recommendations on IAQ and children's health. A building ventilation model will also be developed. Discussion This paper outlines methods that might be implemented by other investigators conducting studies on the association between respiratory health and indoor air quality at DCC.

Aelenei, Daniel, Susana Azevedo, João Viegas, Ana Mendes, Ana Luisa Papoila, Manuela Cano, Pedro Martins, and Nuno Neuparth. "Environment and Health in Children Day Care Centres in Portugal - results from phase II on the ventilation characteristics of 16 schools." CLIMA 2013. 978-80-260-4001-9. 2013. Abstract
Azevedo, Susana, João Viegas, Daniel Aelenei, Ana Luisa Papoila, and Ana Mendes. "Environment and health in children day care centres results from phase I - preliminary analysis of buildings physical characteristics." The 10th International Conference on Industrial Ventilation. 2012. Abstract
Mendes, Ana, Daniel Aelenei, Ana Luisa Papoila, Pedro Carreiro-Martins, Livia Aguiar, Cristiana Pereira, Paula Neves, Susana Azevedo, Manuela Cano, Carmo Proenca, and others. "Environmental and Ventilation Assessment in Child Day Care Centers in Porto: The Envirh Project." Journal of Toxicology and Environmental Health, Part A. 77 (2014): 931-943. Abstract

Children attending day care centers (CDCC) have been reported to be more prone to infectious diseases when compared with those cared for at home, and are exposed to conditions that may increase the risk of allergies and asthma. Several studies revealed that consequences of poor ventilation conditions include high levels of carbon dioxide (CO2) and many other indoor pollutants commonly detected in schools. Nine child day care centers were selected randomly to participate in this study. Fifty-two classrooms were assessed for chemical, biological, physical, and allergen parameters in spring and winter seasons in these nine CDCC located in Porto, Portugal. Outdoor measurements were also conducted for comparison. Our results indicated that (i) particulate matter (PM10) median levels were above the national reference levels, both by classroom type and by season; (ii) TVOC kindergarten peak values may raise some concern; (iii) CO2 was present at high median and maximum levels during spring and winter assessment in both nurseries and kindergartens classrooms; (iv) total bacteria concentrations were 57- and 52-fold higher in the nursery and kindergarten than outdoors, respectively, for the spring season; (v) winter and spring median predicted mean vote (PMV) indices were between "neutral" (0) and "slightly cool" (? -1) in the thermal sensation scale for comfort situations (-2 to 2) for both types of classrooms; (vi) there were significant differences for both PMV and predicted percentage of dissatisfied (PPD) indices by season; and (vii) CO2, total bacteria, and gram-negative bacteria were associated with low airflow rates. These data will help to evaluate the effectiveness of current building operation practices in child day care centers regarding indoor air quality and respiratory health.

Aelenei, Laura, A. M. Rodrigues, and Daniel Aelenei. "An Experimental Study of a Naturally Ventilated Cavity Wall." AIVC BETEC 2003 Ventilation - Humidity Control and Energy Conference. 2-96000355-4-2. 2003. Abstract
Viegas, J. C., F. Oliveira, and D. Aelenei. "Experimental study on the aerodynamic sealing of air curtains." Fluids. 3 (2018). AbstractWebsite