Universidade Positivo

About: Universidade Positivo is a education organization based out in Curitiba, Brazil. It is known for research contribution in the topics: Population & Biodiversity. The organization has 1290 authors who have published 1237 publications receiving 9335 citations. The organization is also known as: Positive University.

Rhizospheric bacteria with potential to degrade landfill leachate

Abstract: Landfill leachate shows negative impacts to environment. Designed as a conventional treatment it may not, however, be able to reduce pollutant load to acceptable levels according to legislation and environmental laws. Therefore, complementary post-treatment is often necessary for that matter, where they cooperate with conventional one. For the present work, a rhizospheric bacterium was isolated from Alternanthera philoxeroides (Mart.) Griseb., aquatic macrophyte commonly used in wetland leachate treatment. The bacterium was isolated from rhizosphere and identified through deoxyribonucleic acid sequencing and assessed for its leachate degradation potential. Obtained biomass through bench bioreactor was freeze-dried for preserving its catalytic activity. The results suggest that the isolated bacterium is tolerant in leachate added media, where it presented biomass growth of 1.1 g L−1 after fermentation. When under enriched mineral media conditions, biomass growth was higher (3.9 g L−1), as expected. Once proved to be tolerant and able to grow on a media with high pollutant load (leachate), the isolated bacterium can be exploited for enhancing present landfill leachate post-treatment.

Avaliação do luto familiar na perda gestacional e neonatal

Abstract: Objetivos: Avaliar o grau de luto causado pela perda gestacional ou neonatal em pais e maes, associando com variaveis socio-demograficas. Adicionalmente, comparar o grau de luto de acordo com o momento da perda. Metodos: Estudo transversal, realizado com aplicacao de questionario sociodemografico e questionario validado (Escala de Luto Perinatal–ELP) em pais que tiveram perda de seu filho em qualquer perido gestacional ou no neonatal. Resultados: 542 pais e maes estavam aptos para participacao do estudo e apos serem convidados para responder a pesquisa, 104 (19,1%) concordaram em participar. Os 104 participantes foram divididos em dois grupos: perda no primeiro trimestre gestacional (76,9%), e demais trimestres somados ao periodo neonatal (23,1%). Evidenciou-se predominio materno das respostas (89,4%) e idade media de 29,1±15,58 anos. A mediana do escore na ELP foi de 90 pontos, nao havendo diferenca entre as pontuacoes de acordo com o momento da perda. Primigestas e mulheres com idade <25 anos apresentaram pontuacoes maiores que as demais (p=0,042 e p=0,047). Ideacao suicida foi relatada por 15,4% e 32,7% das maes que se culpam pela morte do bebe tem escores significativamente maior do que aquelas que nao tinham tal sentimento (p<0,0001). Estado civil, escolaridade, situacao economica, religiao, realizacao de pre-natal, etnia e abortamento previo nao apresentaram associacao significativa com os escores obtidos na ELP. Conclusao: O luto ocorreu independente da idade gestacional do momento da perda, sendo de maior intensidade nas mulheres mais jovens e naquelas com sentimento de culpa. Medidas devem ser tomadas para minimizar tal sofrimento.

Comunidades de Prática:: A Construção de Conhecimento em um Grupo de Pesquisa

Abstract: From the 1990’s onwards, a substantial volume of literature had been published about community of practice (CoP) and many scholars had been investigating their existence and the effectiveness in a variety of settings. In this scenario, this study aims at investigating whether the construction of the knowledge of a PhD research group occurs in the form of a CoP. Using the conceptual approach proposed by Wenger (1998) as an analytical basis, the present study combined multiple investigation methods, namely participant observation, analysis of the content of social media, interview, and questionnaire. Data collected was registered in field diaries which were subsequently analysed (Bardin, 2011). Results indicate that members construct their knowledge in a collaborative and cooperative way. The dimensions proposed by Wenger (1998) to identifying and distinguishing CoPs from other groups were present in the group. The conclusion is that the investigated research group can be classified as a CoP.

Florestas urbanas: método de avaliação para gestão das áreas verdes

Abstract: Urban forests: evaluation method to management of garea. This method aims to evaluate a group of indices by interaction and balance; it con siders qualitative as well as quantitative aspects of Urban Forests for evaluation of elements such as: f orests, wooden streets and wooden squares. In order to develop such proposal, several indices had been selected from specialized literature, mainly the ones that reveal the contribution of Urban Fore sts to society in relation to aesthetic aspects, quality of air, as well as flood and temperature co ntrol. Such indices had been certified in relation to their trustworthiness and relevance and they had be en grouped in two sets: macro and micro ambient. The first group was composed to evaluate wider char acteristics that are inherent to a set of individuals; the second one was proposed to evaluat e characteristics of the vegetal individual itself, such as aspects of the root. Different weight had b een attributed to the indices, in order to differen tiate them by their relevance up to the method. As result it produced a method that uses a sustainability barometer for intersection of two axes, macro and m icro ambient, in order to diagnose sustainability condition. It had been tested in two different area s, campus of Positivo University and Botanical Garden, both located in Curitiba, Parana, and it pr oves as able to the sustainability condition.

Hábitos de mídia e a trajetória da família: análise de duas famílias paulistas

Abstract: A trajetoria de vida de um individuo e como isso influencia a trajetoria de sua familia revelam muito sobre a sociedade e o contexto historico em que esta inserido. Considerando as definicoes de geracao de Mannheim (1982) e os resultados da ultima Pesquisa Brasileira de Midia, esse artigo analisa, utilizando a entrevista em profundidade como metodologia, a trajetoria de vida de quatro membros de duas familias distintas observando como os individuos se desenvolveram profissionalmente, como e a sua relacao com a familia, e principalmente como sao os seus habitos de midia e como eles se alteraram durante sua vida.