Dulcilena de Matos Castro e Silva
Biography
2021 - Titulo maior : Doutora em Saúde Pública pelo Programa de Epidemiologia da Universidade de São Paulo.Linha de Pesquisa : Microbiologia Extrema Áreas de Atuação Microbiologia Ambiental - Monitoramento ambiental de microrganismos.Lotada: Núcleo de Micologia do Instituto Adolfo Lutz como Pesquisador Cientifico desde 2013.2024 - Pós doutoranda do Departamento de Quimica Fundamental - USP com o Projeto "Monitoramento do uso de higienizantes de nova geração e seus impactos na redução de microrganismos presentes no arinterno de diferentes ambientes" sob a supervisão do Prof. Dr. Fabio Rodrigues.
Research Interest
Abstract
Monitoring the Use of Next-Generation Disinfectants and Their Impact on Microorganism Reduction in Indoor Air and Surfaces
Ensuring indoor air quality is crucial for public health, as contaminated air can significantly contribute to healthcare-associated infections (HAIs) and other respiratory conditions. This project aims to evaluate the efficacy of next-generation disinfectants, primarily hydrogen peroxide-based formulations, in reducing airborne and surface microbial loads. The study will focus on both residential and hospital environments, using a structured approach to assess different disinfectant formulations. The project is divided into two main phases. In the first phase, a controlled residential environment in Ibiúna, São Paulo, will be used to establish standardized disinfection protocols. This phase includes testing six different hydrogen peroxide-based disinfectants with varying concentrations and additional active agents, such as quaternary ammonium and silver ions. Air samples will be collected before and after disinfection using the MAS 100 air sampler, and microbial identification will be conducted using MALDI-TOF mass spectrometry. In the second phase, the most effective protocols from the initial trials will be applied in a hospital setting. Air and surface samples will be collected over a one-month period to evaluate the long-term impact of the selected disinfectants. Data will be analyzed to identify the most effective combinations for reducing airborne pathogens and preventing healthcare-associated infections. The project aims to publish its findings in leading scientific journals, contributing to improved infection control practices and providing critical insights into the use of advanced disinfectants in various healthcare and residential settings.
