ABSTRACT BACKGROUND: A bibliometric analysis covering only the production of original studies or considering world production until 2022 has yet to be conducted. The creation and advancement of vaccines have also influenced research priorities, demonstrating the need for a new approach to this subject. OBJECTIVES: To analyze worldwide scientific production related to coronavirus disease 2019 (COVID-19) and the aged and to describe what has already been produced. DESIGN AND SETTING: Bibliometric analysis with a quantitative approach. METHOD: The search terms “COVID-19,” “SARS-CoV-2,” “Aged,” and “Elderly” were used to retrieve articles from the Web of Science database. A total of 684 articles were included in the analysis. Data were imported into RStudio Desktop Software and linked to R Software. The Bibliometrix R package and VOSviewer software were used for analysis. RESULTS: Most articles were published in 2020. These were produced by 4,937 authors and published in 379 journals. The keyword most used by the authors was “COVID-19.” Publications from 77 countries were obtained. China had the highest article production ranking, and Spain collaborated the most. The articles addressed the implications of the pandemic on the aged, the relationship between vaccination in the aged, and the implications for the disease itself. CONCLUSION: Further research should be conducted, mainly concerning vaccines and vaccination of the aged, owing to the need for and importance of immunization in this risk group, including assessing the long-term effects of vaccines.

ABSTRACT Objective: to understand the social representations elaborated by nursing students about the prevention of COVID-19. Method: exploratory-descriptive and qualitative research. Data were produced through interviews with 32 participants, conducted in the period from September 2021 to July 2022. The Study Setting was a public higher education institution, located in the northeastern region of Brazil. Data were processed using IRaMuTeQ software. Results: the genesis of the social representations of COVID-19 prevention pointed to two axes: Organization of ideas about COVID-19 prevention measures, and Efficiency, reliability and source of the information obtained. Final Considerations: the social representations showed the knowledge about the prevention measures of COVID-19, provided an opportunity to clarify the origin of the students’ knowledge and the specificities they consider important. It is hoped that this study can serve as a foundation for further research and/or interventions with nursing students.

RESUMEN Objetivo: Apreciar las representaciones sociales elaboradas por discentes de enfermería sobre la prevención del COVID-19. Método: investigación exploratoria-descriptiva y cualitativa. Los datos fueron producidos a través de entrevistas con 32 participantes, realizadas en el período de septiembre de 2021 a julio de 2022. El escenario del estudio fue una institución pública de enseñanza superior, localizada en la región nordeste de Brasil. Los datos fueron procesados utilizando el software IRaMuTeQ. Resultados: la génesis de las representaciones sociales de la prevención del COVID-19 apuntaba a dos ejes: Organización de ideas sobre las medidas de prevención del COVID-19; y Eficacia, fiabilidad y fuente de las informaciones obtenidas. Consideraciones Finales: Las representaciones sociales mostraron el conocimiento sobre las medidas de prevención del COVID-19, proporcionando una oportunidad para aclarar el origen del conocimiento de los estudiantes y las especificidades que ellos consideran importantes. Se espera que este estudio pueda servir de base para futuras investigaciones y/o intervenciones con estudiantes de enfermería.

RESUMO Objetivo: apreender as representações sociais elaboradas por discentes de enfermagem sobre a prevenção da COVID-19. Método: pesquisa exploratória-descritiva e qualitativa. Os dados foram produzidos por meio de entrevistas com 32 participantes, realizadas no período de setembro de 2021 a julho de 2022. O Cenário do estudo foi uma instituição de ensino superior pública, localizada na região nordeste do Brasil. Os dados foram processados utilizando o software IRaMuTeQ. Resultados: a gênese das representações sociais da prevenção da COVID-19 apontou dois eixos: Organização de ideias sobre as medidas de prevenção da COVID-19; e a Eficiência, confiabilidade e fonte das informações obtidas. Considerações Finais: as representações sociais evidenciaram o saber sobre as medidas de prevenção da COVID-19, oportunizaram o esclarecimento sobre a origem dos saberes dos discentes e de especificidades que consideram importantes. Espera-se que esse estudo possa servir como alicerce para novas pesquisas e/ou intervenções com discentes de enfermagem.

ABSTRACT BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) infection is a worldwide concern given its presence even in non-hospitalized healthy individuals, such as university students. OBJECTIVE: To identify in the literature the prevalence of colonization by MRSA among healthcare students. DESIGN AND SETTING: Integrative review of the literature conducted in Universidade Federal do Piauí. METHOD: A search for primary studies was performed in the following databases: Medical Literature Analysis and Retrieval System on-line; Cumulative Index to Nursing and Allied Health Literature; Web of Science; Scopus; and LILACS. RESULTS: This review included 27 studies that demonstrated MRSA infection prevalence ranging from 0.0 to 15.3% among students. CONCLUSION: The prevalence of colonization of MRSA among healthcare students is high, and the nasal cavity was cited as an important reservoir location for these microorganisms.

Abstract: Estudios previos revelan que el efecto negativo de la discriminación en la salud mental puede ser especialmente perjudicial entre las minorías estigmatizadas. Sin embargo, las investigaciones también destacan la importancia de los mecanismos de protección que podrían amortiguar este efecto. El objetivo de este estudio fue explorar las relaciones entre la salud mental, la percepción de discriminación y las estrategias de afrontamiento de reevaluación positiva y autoculpa en jóvenes LGB y heterosexuales. Los datos fueron recogidos online y mediante una encuesta en papel y lápiz y participaron 195 adolescentes y jóvenes adultos portugueses. La encuesta abarcó salud mental (Mental Health Inventory-5), discriminación (Everyday Discrimination Scale) y estrategias de afrontamiento (Brief COPE). De la muestra, el 73,3% eran mujeres y el 51,8% se identificaron a sí mismos como lesbiana, gay o bisexual (LGB). Los resultados del análisis de la varianza muestran que los participantes LGB han experimentado más discriminación que sus compañeros heterosexuales. No hay diferencias en los niveles de salud mental y el uso de la autoculpa o la revaluación positiva en las estrategias de afrontamiento. Los análisis de regresión revelan que la discriminación y la autoculpa percibidas contribuyen a empeorar la salud mental de los jóvenes LGB y heterosexuales. Sin embargo, las estrategias de revaluación positiva fueron predictoras de salud mental solo en los participantes LGB, una estrategia que contribuyó a su resiliencia frente a la discriminación. Además, se observó un efecto indirecto de discriminación en la salud mental, parcialmente mediado por la autoculpa, solo en los participantes LGB. Los resultados confirman hallazgos previos que sugieren que la discriminación percibida tiene un efecto más perjudicial cuando se produce en un grupo minoritario, y apoya el encuadre de la mediación psicológica sobre los efectos de la discriminación en la salud mental en grupos estigmatizados.

Resumen: Previous studies reveal that the negative effect of discrimination on mental health is particularly pernicious among stigmatised minorities. However, research also points out the importance of protection mechanisms that may buffer its effect. This study aimed to explore the relationships between mental health, perceived discrimination, and coping strategies of positive reframing and self-blame in LGB and heterosexual youth. Data were collected through a paper and pencil and an online survey administered to 195 Portuguese adolescents and young adults. The survey covered mental health (Mental Health Inventory-5), discrimination (Everyday Discrimination Scale), and coping strategies (Brief COPE). Of the sample, 73.3% were women and 51.8% self-identified as lesbian, gay or bisexual (LGB). Analyses of variance show that LGB participants have experienced more discrimination than their heterosexual counterparts. There was no difference in the levels of mental health and the use of self-blame or positive reframing coping strategies. Regression analyses reveal that perceived discrimination and self-blame contribute to the worsening of the mental health of LGB and heterosexual youth. Positive reframing coping was a predictor of mental health only in LGB participants, a strategy that contributed to their resilience in the face of discrimination. Additionally, only LGB participants displayed an indirect effect of discrimination on mental health, partially mediated by self-blame coping. Results corroborate previous findings that suggest that perceived discrimination has a more deleterious effect for members of a minority group and support the psychological mediation framework regarding the effect of discrimination on mental health in stigmatised groups.

Resumo Este artigo analisa a re-visão que Margaret Atwood faz da Odisseia em A odisseia de Penélope (2005). Partimos de Bakhtin (1993) para mapear a subversão dos traços constitutivos do épico operada pela versão de Penélope e vemos como, ao destronar Odisseu e dar voz a Penélope e às doze servas enforcadas no retorno de Ulisses a Ítaca, Atwood rompe com a linguagem épica sagrada, desmistifica a lenda e atualiza o passado épico absoluto, oferecendo, no lugar da narrativa grandiosa, a experiência pessoal e privada da vida das mulheres. Em seguida, analisamos algumas das implicações da reescrita do mito homérico por uma escritora canadense contemporânea e argumentamos que, ao matar Homero enquanto autor, Atwood tanto inscreve sua obra no cânone quanto abre espaço para o reconhecimento de outras versões da história.

Abstract This article analyses how Margaret Atwood re-views The Odyssey in The Penelopiad (2000). In order to do so, we use Bakhtin (1993) to map the ways in which Penelope’s version of The Odyssey subverts the main traces of the epic. By dethroning Odysseus and giving voice to Penelope and the servants killed upon Ulysses’s return to Ithaca, Atwood breaks with the sacred language of the epic, demythologizes the legend and updates the absolute past of the epic world, offering an account concerning the personal private lives of women. We also analyze the context of production and some of the implications of a Canadian contemporary woman writer’s rewriting of the Homeric myth. We argue that, by killing Homer as author, Atwood both inscribes her work in the canon and makes room for other stories.

ABSTRACT BACKGROUND: The pandemic of the new coronavirus has culminated in a scientific race to seek knowledge about this virus and its treatments, vaccines and preventive strategies, in order to reduce its impact on healthcare and economics worldwide. Hence, it is important to recognize the efforts of researchers who are at the forefront of investigations relating to the new coronavirus. OBJECTIVE: The present study was carried out with the aim of analyzing the world scientific production relating to COVID-19. DESIGN AND SETTING: Exploratory and descriptive bibliometric study conducted in the city of Teresina (PI), Brazil. METHOD: ISI Web of Knowledge/Web of Science (WOS) was chosen as the database. Data-gathering was carried out in May 2020. The data analysis was performed using the HistCiteTM software, version 9.8.24, and the VOSviewer bibliometric analysis software, version 1.6.8. RESULTS: 2,625 published papers that included descriptors within the scope of this investigation were identified. These articles were published in 859 different journals that are indexed in WOS, by 9,791 authors who were linked to 3,365 research institutions, located in 105 countries. CONCLUSION: Ascertaining scientific production through a bibliometric analysis is important in order to guide researchers on what has already been produced and what is being researched, so as to be able to address gaps in knowledge through future research.

RESUMO Objetivo Verificar na literatura científica as manifestações sintomáticas da COVID-19 em pessoas adultas. Método Revisão sistemática utilizando as bases Scopus, Web of Science e PubMed com estudos publicados de 1 de dezembro de 2019 a 21 de abril de 2020, a fim de responder à questão norteadora: “Quais as manifestações sintomáticas causada pela COVID-19 em pessoas adultas?” utilizando-se as palavras-chave: “Symptoms”, “Clinical Manifestations”, “Coronavirus”, “COVID-19”. Resultados Do total de 105 referências, foram selecionadas 13 que abordaram as manifestações sintomáticas da COVID-19, estando a febre e a tosse normal ou seca presente em todos os estudos. Conclusão As manifestações sintomáticas identificadas nos pacientes adultos foram: febre, tosse normal ou seca, cefaleia, faringalgia, dispneia, diarreia, mialgia, vômito, escarro ou expectoração, angústia ou dor no peito, fadiga, náusea, anorexia, dor abdominal, rinorreia, coriza ou congestão nasal, tontura, calafrios, dor sistêmica, confusão mental, hemoptise, asma, comprometimento do paladar, comprometimento do olfato, arroto e taquicardia.

ABSTRACT Objective To identify symptoms of COVID-19 in adults in the scientific literature. Method Systematic review of studies published from December 1, 2019 to April 21, 2020 from the Scopus, Web of Science and PubMed databases, in order to answer the following research question: “What are the symptoms caused by COVID-19 in adults?” using the keywords “Symptoms”, “Clinical Manifestations”, “Coronavirus”, “COVID-19”. Results Of the total 105 references, 13 references that addressed the symptoms of COVID-19 were selected. Fever and normal or dry cough were symptoms present in all studies. Conclusion The symptoms identified in adult patients were fever, normal or dry cough, headache, pharyngalgia, dyspnea, diarrhea, myalgia, vomiting, sputum or expectoration, anxiety or chest pain, fatigue, nausea, anorexia, abdominal pain, rhinorrhea, runny nose or nasal congestion, dizziness, chills, systemic pain, mental confusion, hemoptysis, asthma, taste disorder, smell disorder, belching and tachycardia.

RESUMEN Objetivo Verificar en la literatura científica las manifestaciones sintomáticas de COVID-19 en adultos. Método Una revisión sistemática realizada en las bases de datos Scopus, Web of Science y PubMed con estudios publicados del 1 de diciembre de 2019 al 21 de abril de 2020, con el fin de responder a la pregunta orientadora: "¿Cuáles son las manifestaciones sintomáticas causada por COVID-19 en adultos?" utilizando las palabras clave: "Síntomas", "Manifestaciones clínicas", "Coronavirus", "COVID-19". Resultados Del total de 105 referencias, se seleccionaron 13 que abordaron las manifestaciones sintomáticas de COVID-19, con fiebre y tos normal o seca presente en todos los estudios. Conclusión Las manifestaciones sintomáticas identificadas en pacientes adultos fueron: fiebre, tos normal o seca, dolor de cabeza, faringalgia, disnea, diarrea, mialgia, vómitos, esputo o expectoración, angustia o dolor en el pecho, fatiga, náuseas, anorexia, dolor abdominal, rinorrea, secreción nasal o congestión nasal, mareos, escalofríos, dolor sistémico, confusión mental, hemoptisis, asma, alteración del gusto, alteración del olfato, eructos y taquicardia.

Objective: to verify in the scientific literature the symptomatic manifestations of COVID-19 in adults. Method: a systematic review carried out in the Scopus, Web of Science and PubMed databases with studies published from December 1, 2019 to April 21, 2020, in order to answer the guiding question: “What are the symptomatic manifestations caused by COVID-19 in adults?" using the keywords: "Symptoms", "Clinical manifestations", "Coronavirus", "COVID19". Results: Of the total of 105 references, 13 were selected that addressed the symptomatic manifestations of COVID-19, with fever and normal or dry cough present in all studies. Conclusion: the symptomatic manifestations identified in adult patients were: fever, normal or dry cough, headache, pharyngalgia, dyspnoea, diarrhea, myalgia, vomiting, sputum or expectoration, anguish or chest pain, fatigue, nausea, anorexia, abdominal pain, rhinorrhea, runny nose or nasal congestion, dizziness, chills, systemic pain, mental confusion, hemoptysis, asthma, impaired taste, impaired smell, belching and tachycardia

Objetivo: verificar en la literatura científica las manifestaciones sintomáticas de COVID-19 en adultos. Método: una revisión sistemática realizada en las bases de datos Scopus, Web of Science y PubMed con estudios publicados del 1 de diciembre de 2019 al 21 de abril de 2020, con el fin de responder a la pregunta orientadora: "¿Cuáles son las manifestaciones sintomáticas causada por COVID-19 en adultos?" utilizando las palabras clave: "Síntomas", "Manifestaciones clínicas", "Coronavirus", "COVID-19". Resultados: Del total de 105 referencias, se seleccionaron 13 que abordaron las manifestaciones sintomáticas de COVID-19, con fiebre y tos normal o seca presente en todos los estudios. Conclusión: las manifestaciones sintomáticas identificadas en pacientes adultos fueron: fiebre, tos normal o seca, dolor de cabeza, faringalgia, disnea, diarrea, mialgia, vómitos, esputo o expectoración, angustia o dolor en el pecho, fatiga, náuseas, anorexia, dolor abdominal, rinorrea, secreción nasal o congestión nasal, mareos, escalofríos, dolor sistémico, confusión mental, hemoptisis, asma, alteración del gusto, alteración del olfato, eructos y taquicardia.

Objetivo: verificar na literatura científica as manifestações sintomáticas da COVID-19 em pessoas adultas. Método: revisão sistemática utilizando as bases Scopus, Web of Science e PubMed com estudos publicados de 1 de dezembro de 2019 a 21 de abril de 2020, a fim de responder à questão norteadora: “Quais as manifestações sintomáticas causada pela COVID-19 em pessoas adultas?” utilizando-se as palavras-chave: “Symptoms”, “Clinical Manifestations”, “Coronavirus”, “COVID-19”. Resultados: Do total de 105 referências, foram selecionadas 13 que abordaram as manifestações sintomáticas da COVID-19, estando a febre e a tosse normal ou seca presente em todos os estudos. Conclusão: as manifestações sintomáticas identificadas nos pacientes adultos foram: febre, tosse normal ou seca, cefaleia, faringalgia, dispneia, diarreia, mialgia, vômito, escarro ou expectoração, angústia ou dor no peito, fadiga, náusea, anorexia, dor abdominal, rinorreia, coriza ou congestão nasal, tontura, calafrios, dor sistêmica, confusão mental, hemoptise, asma, comprometimento do paladar, comprometimento do olfato, arroto e taquicardia.Palavras-chave: COVID-19. Sintomas Gerais. Manifestações clínicas. Sars CoV-2. Manifestações sintomáticas.

ABSTRACT The present study aimed to correlate the age and weight of Girolando heifers with uterine and ovarian development. Sixty heifers between 12 and 36 months old were weighed and subjected to ultrasound assessment to measure the diameters of each uterine horn and ovaries, monthly. These measures continued until their first ovulation. The animals were divided, for data analysis, according to their age into five groups: GI (12 to 14 months), GII (15 to 18 months), GIII (19 to 24 months), GIV (25 to 30 months), and GV (31 to 36 months). The dispersion diagram was used to assess the correlation between data collected monthly from uterus/ovaries and weight/age. An average daily growth of 0.0032 mm was recorded for the right ovary (RO) and 0.0051 mm for the left ovary (LO). The average size of the RO in GI was 17.58 mm and the LO was 15.28 mm; in GII, the RO was 16.72 mm and the LO was 15.89 mm; in GIII, the RO was 18.37 mm and the LO was 16.55 mm; in GIV, the RO was 19.09 mm and the LO was 17.49 mm; and in GV, the RO was 19.89 mm and the LO was 18.96 mm. The uterine horns showed an average daily growth of 0.0064 mm and 0.0071 mm for the right (RU) and left (LU) uterine horn, respectively. The average sizes of the uterine horns per group were: RU, 11.46 mm and LU, 11.48 mm; RU, 12.41 mm and LU, 12.63 mm; RU, 13.16 mm and LU, 13.19 mm; RU 14.30 mm and LU, 14.58 mm; and RU, 16.12 mm and LU, 16.68 mm for the groups GI, GII, GIII, GIV, and GV, respectively. The heifers showed an average daily weight gain of 0.224 kg and the groups GI, GII, GIII, GIV, and GV had an average weight of 220.5, 239.3, 287.6, 332.9, and 380.1 kg, respectively. Therefore, weight growth correlates with the growth of the ovaries and uterine horns; furthermore, these data correlate positively as the animals age.

ABSTRACT Objective: To discuss the correct use, indications for use, effectiveness and handling of the different types of mask, as well as suggest, based on scientific evidence and recommendations from health agencies, effective ways to increase the useful life of this product. Method: Narrative literature review using articles from the PubMed, Scopus and Web of Science databases, and recommendations from health agencies conducted in April 2020. Results: Protective respiratory devices (particulate respirators) can be reused if it is clean, dry and their layers and shape are intact. To increase the durability of surgical masks, the use of paper towels to absorb moisture is suggested. Cloth masks are recommended, as long as they are washed properly for reuse. Conclusion: Despite the scarce number of studies on the reuse of masks, given the expansion of COVID-19 and the worldwide shortage of this equipment, health professionals and the population must be constantly updated on the recommendations for use of these protective devices.

RESUMEN: Objetivo: discutir la forma correcta de utilización, indicaciones de uso, eficacia y manejo de cada tipo de mascarilla, además de sugerir, de conformidad con las evidencias científicas y recomendaciones de los órganos de salud, alternativas eficaces para aumentar la vida útil de este producto. Método: revisión narrativa con utilización de artículos provenientes de las bases de datos PubMed, Scopus e Web of Science, y recomendaciones de agencias de salud, realizada en abril de 2020. Resultados: las mascarillas de protección respiratoria pueden ser reutilizadas siempre que se encuentren limpias y secas, en tanto y en cuanto mantengan su integridad. Para aumentar la durabilidad de las mascarillas quirúrgicas, se sugiere su utilización con papel absorbente para absorber la humedad. Las mascarillas de tela son recomendables, siempre y cuando se laven adecuadamente para reutilización. Conclusión: aunque sean necesarios estudios acerca del reaprovechamiento de los barbijos, con la expansión del COVID-19 y la escasez mundial de este producto, es imprescindible que, tanto los profesionales de la salud como la población en general, se mantengan actualizados sobre sus recomendaciones de uso.

RESUMO Objetivo: discutir a forma correta de utilização, indicações de uso, eficácia e manejo de cada tipo de máscara, assim como sugerir, conforme evidências científicas e recomendações de órgãos de saúde, alternativas eficazes para aumentar a vida útil deste produto. Método: revisão narrativa utilizando artigos provenientes das bases de dados PubMed, Scopus e Web of Science, e recomendações de agências de saúde. Realizada em abril de 2020. Resultados: máscaras de proteção respiratória podem ser reutilizadas se estiverem íntegras, limpas e secas. Para aumentar a durabilidade de máscaras cirúrgicas, sugere-se a utilização com papel toalha para absorver a umidade. Máscaras de tecido são recomendadas, desde que sejam lavadas adequadamente para reutilização. Conclusão: embora necessitem estudos sobre o reaproveitamento de máscaras, com a expansão da COVID-19 e a escassez mundial deste equipamento, torna-se essencial que os profissionais da saúde e a população se mantenham atualizados a respeito das suas recomendações de uso.

Resumo Este artigo investiga os entrelaçamentos entre poesia, cidadania e insurgência na São Paulo contemporânea a partir do Slam Resistência, uma batalha de poesia que acontece desde 2014, todos os meses, na Praça Roosevelt, no centro da cidade. Para tanto, dada a novidade que essa nova forma de poesia constitui, apresentaremos as origens e os percursos da slam poetry até sua chegada a São Paulo e discutiremos a forma como o slam transforma a relação entre público, poeta e poesia, redefinindo seus termos. Em seguida, veremos como, ao se afiliar simultaneamente aos suportes oral, visual e escrito, o slam mistura as esferas do público e do privado, do político e do pessoal. Dessa forma, no Slam Resistência, a prática da cidadania insurgente acontece no centro da pólis e toma a praça, ocupando e ressignificando o espaço público.

Abstract This article aims to investigate the interconnections between poetry, citizenship and insurgence in Slam Resistência, a poetry slam that, since 2014, occurs monthly in Praça Roosevelt, a square in the center of the city of São Paulo. The article starts by mapping the origins of slam poetry and its arrival in São Paulo. It also discusses the ways in which slam poetry transforms the relationship between public, poet and poetry, redefining these terms. We argue that, by mixing oral, visual and written elements, slam poetry blurs the limits between the public and the private, the personal and the political. In Slam Resistência, the practice of insurgent citizenship happens in the center of the polis, taking up the square, occupying and resignifying public space.

Resumen Este artículo investiga los entrelazamientos entre poesía, ciudadanía y insurgencia en la São Paulo contemporánea a partir del Slam Resistência, una batalla de poesía que ocurre desde el año 2014, todos los meses en la Praça Roosevelt, en el centro de la ciudad. Dada la novedad que esta nueva forma de poesía constituye, empezaremos por presentar los orígenes y los recorridos de la slam poetry hasta su llegada a São Paulo y discutiremos la forma como el slam transforma la relación entre público, poeta y poesía, redefiniendo sus términos. Enseguida, veremos cómo, al afiliarse simultáneamente a los soportes oral, visual y escrito, el slam mezcla las esferas del público y de lo privado, de lo político y de lo personal. En Slam Resistência, la práctica de la ciudadanía insurgente ocurre en el centro de la pólis y toma la plaza, ocupando y resignificando el espacio público.

In order to search nanofiller for controlling release of drugs lamellar α-zirconium phosphate (α-ZrP) was modified with ether-amine oligomer (E-A). Synthesis and chemical modification followed specific reaction conditions and different EA:ZrP ratios. Infrared spectra showed strong interaction between P-OH and NH2 groups. Thermogravimetric curves showed that ether-amine oligomer was incorporated by ZrP. Interlamellar space of α-ZrP increased at least four times indicating intercalation. The relaxometry analysis indicated that α-ZrP molecular mobility changed according to the ether-amine amount. The scanning electron microscopy/energy dispersive analysis revealed the presence of octadecylamine inside the α-ZrP galleries. The results showed that P-OH group (Brønsted acid) and amine group (Brønsted base) reacted to each other, resulting in an ionic bond PO- + 3HN-[-(CH2-CH2-O)m-(CH2-C-H(CH3)-O)n-]. Partially intercalated nanofiller were achieved.

A vitimização por pares e a discriminação, nomeadamente de minorias étnicas e sexuais, têm um efeito negativo no funcionamento psicossocial, mas diversos estudos começam a abordar a resiliência perante estas adversidades. Neste sentido, o objetivo deste estudo foi identificar mecanismos protetores da saúde mental e do desajustamento externo na presença destas formas de violência social. O estudo foi conduzido numa amostra de 2975 de estudantes do ensino secundário português, dos quais 245 identificaram-se como negros e 84 como gay, lésbicas ou bissexuais. Os mecanismos de proteção avaliados incluem baixos níveis de personalidade ansiosa, competências de empatia, as estratégias de coping usadas, o otimismo familiar e as relações com as figuras parentais. O resultado das regressões revela que a identificação racial e a orientação sexual moderam a influência das diferentes formas de violência e dos diferentes mecanismos de proteção, sugerindo suporte à abordagem socioecológica da resiliência.

Peer victimization and discrimination, namely of ethical and sexual minorities, have a negative effect on psychosocial functioning but several studies begin to address the resilience to these adversities. In this sense, the objective of this study was to identify protective mechanisms of mental health and external maladjustment in the presence of these forms of social violence. The study was conducted with a sample of 2975 Portuguese high school students, of which 245 identified as black and 84 as gay, lesbian or bisexual. The protection mechanisms considered include low levels of anxious personality, empathy abilities, the coping strategies used, familial optimism and the relationships with the parental figures. The regression results show that racial identification and sexual orientation moderate the influence of the different forms of violence and the different protection mechanisms, suggesting support to a socio-ecological approach of resilience.

Resumen El manuscrito presenta los resultados de un proyecto familiar de intervención comunitaria de prevención del consumo de drogas. El proyecto se basa en dos modelos de integración: modelo estructural de Cowen y modelo ecodesarrollo, adoptando una perspectiva multicausal y guiándose por el principio metodológico de empoderamiento. Este estudio tuvo dos momentos de evaluación: (T1) una semana antes de la intervención y (T2) una semana después del final de la intervención. Se presentan los datos reunidos de 42 adultos con responsabilidades parentales y los resultados indican cambios significativos en el ámbito familiar en el aumento de la cohesión, expresividad, el control y de la orientación de las actividades recreativas. También se observa una disminución de las estrategias educativas que caracterizan los estilos autoritarios y permisivos.

Abstract The manuscript presents the results of a family and community intervention project to prevent drug use. The project was theoretically based in two integrative models - Structural Model of Cowen and Eco-Developmental Model - taking a multicausal perspective and the methodological principle of empowerment. This study had two assessment moments: (T1) a week before the intervention and (T2) a week after the end of the intervention. Data was collected from 42 adults with parenting responsibilities and the results indicate significant changes in the increase of cohesion, expressivity, control, and the increase of the orientation for recreational activities. It has also observed a decrease of the educational strategies that characterise the authoritarian and permissive styles.

Resumo: Considerando as disparidades observadas em diversos indicadores de ajustamentoentre jovens lésbicas,gay e bissexuais (LGB) e jovens heterossexuais, revelou-se importante de identificar os mecanismos que promovem a resiliência das minorias sexuais. Por meio de uma revisão sistemática, procurou-se responder à questão: quais são os mecanismos de proteção perante a homofobia junto dos jovens LGB? Das 147 referências localizadas na pesquisa sistemática, 13 estudos foram analisados. Os mecanismos de proteção identificados foram organizados de acordo com dois critérios: especificidade (serem gerais ou específicos à orientação sexual) e nível (pessoais, relacionaisou contextuais). Os resultados demonstram que a maioria destes mecanismos são unicamentepromotores do ajustamento positivo na presença do risco. Os mecanismos gerais revelaram-se mais frequentemente compensatórios dos riscos, do que os específicos.

Abstract: Given the mental health disparities among LGB and heterosexual youth, literature has increasingly emphasized the need to identify the mechanisms that promote resilience among sexual minorities. This systematic review sought to answer the question: what are the protection mechanisms against homophobia among LGB youth? Of the 147 references located in the search, 13 studies were analyzed. The identified protection mechanisms were organized by two criteria: specific to sexual orientation or general, and considered to be at the personal, relational and contextual level. Most of the mechanisms revealed to solely promote the positive adjustment in the presence of risk. General protective mechanisms frequently revealed to be more compensatory of the risks than those specific to sexual orientation.

Resumen: Considerando las disparidades observadas en varios indicadores de ajuste entre jóvenes gais, lesbianas y bisexuales y jóvenes heterosexuales, ha sido enfatizada en la literatura la necesidad de identificar los mecanismos que promueven la resiliencia entre las minorías sexuales. Esta revisión sistemática trató de responder la pregunta: ¿cuáles son los mecanismos de protección contra la homofobia entre los jóvenes LGB? De las 147 referencias localizadas en la búsqueda sistemática, 13 estudios fueron analizados. Los mecanismos de protección identificados fueron ordenados según dos criterios: específicos a la orientación sexual o generales, y considerando su nivel de expresión, personales, relacionales o contextuales. Los resultados demuestran que la mayoría de estos mecanismos son exclusivamente promotores del ajuste positivo en la presencia del riesgo. Los mecanismos de protección generales se revelan más a menudo compensatorios de los riesgos que los específicos.