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Sociodemographic Characteristics Related to Resistance to Breast Cancer Screening

Open Journal of Nursing 2016年第11期6卷 911-920页

作者： carla nadja santos de sousa Cintia Mikaelle Cunha de Santiago Cristianny Samara Miranda de Holanda Jovanka Bittencourt Leite de Carvalho Jéssica Micaele Rebouças Justino Fátima Raquel Rosado Morais The Vale do Jaguaribe College The State University of Rio Grande do Norte (UERN) Natal Brazil Doutoranda no Programa Bioquímica e Fisiologia da UFPE-PE The State University of Rio Grande do Norte (UERN) Natal Brazil The Federal University of Rio Grande do Norte Natal Brazil The Postgraduate Program in Nursing of the UFRN-RN Health School The Federal University of Rio Grande do Norte Natal Brazil The State University of Rio Grande do Norte (UERN) Natal Brazil Health and Society of the State University of Rio Grande do Norte Natal Brazil

Objective: To describe the sociodemographic characteristics of women related to resistance to breast cancer. Methods: Cross-sectional study, with a quantitative approach, whose research took place in the Basic Family Health Units of the municipality of Mossoró. The study included 362 women aged between 40 and 69 years. One used a validated questionnaire with questions divided into five blocks. The data were entered in a spreadsheet, transferred to the SPSS software, and subsequently coded to perform the analysis. The Research Ethics Committee of the State University of Rio Grande do Norte, in Opinion No. 356958, approved the project. Results: Black women were two times more likely to be resistant when compared to white women (OR = 2.01, 95% CI = 1.12 - 3.69;p = 0.018). Women who have studied up to primary school 122 (58.1%) were two times more likely to be resistant when compared to those 14 (6.7%) who studied up to higher education (OR = 2.69;95% CI = 1.31 - 5.48;p = 0.012). Women who had first-degree relatives with breast cancer 153 (72.9%) were three times more likely to be resistant. Conclusions: The findings show the need for investments in educational practices with a view to public awareness and professionals’ training to disseminate information regarding tests used in practice directed to women’s health.

关键词： Screening Programs Breast Cancer Health Services Oncology Nursing

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Single Step Microwave Assisted Synthesis and Antimicrobial Activity of Silver, Copper and Silver-Copper Nanoparticles

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Journal of Materials Science and Chemical Engineering 2020年第8期8卷 13-29页

作者： Myrna Reyes-Blas nadja M. Maldonado-Luna carla M. Rivera-Quiñones Ana L. Vega-Avila Felix R. Roman-Velázquez Oscar J. Perales-Perez department of Chemistry University of Puerto Rico at Mayagüez Mayaguez USA department of Mechanical Engineering University of Puerto Rico at Mayagüez Mayaguez USA department of Chemical Engineering University of Puerto Rico at Mayagüez Mayaguez USA department of Engineering Science & Materials University of Puerto Rico at Mayagüez Mayaguez USA

Copper and silver nanoparticles were synthesized and characterized in two minutes at 175°C in a one-step synthesis using a modified polyol (ethylene glycol) method and a microwave heating process. We successfully synthesized spherical Silver (Ag) and Copper nanoparticles (CuNP) with a crystallite size of less than 10 nm, as well as irregular silver-copper nanoparticles (AgCuNP) with a crystallite size of less than 15 nm, as confirmed by X-Ray Diffraction (XRD) and High-Resolution Transmission Electron Microscopy (HRTEM). The successful synthesis of AgCuNP with 1:1 molar ratio and constituted by 51.74% of copper and 48.26% of silver was corroborated using the Energy Dispersive X-ray (EDX) mapping technique. The AgNP and AgCuNP exhibited more stability in suspension, in comparison to CuNP, as observed by continuously monitoring the absorbance with UV-Vis spectroscopy for 12 days. Furthermore, the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of AgNP, CuNP, and AgCuNP were determined, against Gram-negative and Gram-positive bacteria, and yeast. The obtained MIC and MBC values indicate that AgCu nanoparticles exhibited bactericidal properties greater than its constituents. On the contrary, antifungal activity of AgCuNP against yeast was not observed.

关键词： Ag Nanoparticles Cu Nanoparticles Microwave Synthesis Modified Polyol Method Antimicrobial Properties AgCu Nanoparticles

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