The family Psychodidae (Diptera) is recorded for the oceanic archipelago of Fernando de Noronha, represented by two genera and three species: Clogmia albipunctata Williston, Psychoda buxoides Quate, P. savaiiensis Edwards, as well as an undetermined species belonging to the tribe Pericomaini. The fauna of Psychodidae in Fernando de Noronha is remarkably inferior to the Brazilian continental fauna, including species known as cosmopolitan due to the introduction into the most varied environments by human action. An identification key for the Psychodidae of Fernando de Noronha is given, and an overview of the records of Psychodidae for volcanic islands worldwide is also provided.
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COVID-PA Bulletin: reports on artificial intelligence-based forecasting in coping with COVID-19 pandemic in the state of Pará, Brazil.
Epidemiol Serv Saude
November 2021
Universidade Federal Rural da Amazônia, Campus Paragominas, Paragominas, Pará, Brasil.
Objective: To report the university extension research result entitled 'The COVID-PA Bulletin', which presented forecasts on the behavior of the pandemic in the state of Pará, Brazil.
Methods: The artificial intelligence technique also known as 'artificial neural networks' was used to generate 13 bulletins with short-term forecasts based on historical data from the State Department of Public Health information system.
Results: After eight months of predictions, the technique generated reliable results, with an average accuracy of 97% (observed for147 days) for confirmed cases, 96% (observed for 161 days) for deaths and 86% (observed for 72 days) for Intensive Care Unit bed occupancy.
Artificial neural networks for short-term forecasting of cases, deaths, and hospital beds occupancy in the COVID-19 pandemic at the Brazilian Amazon.
PLoS One
March 2021
Institute of Biological Science, Universidade Federal do Pará, Belém, Pará, Brazil.
The first case of the novel coronavirus in Brazil was notified on February 26, 2020. After 21 days, the first case was reported in the second largest State of the Brazilian Amazon. The State of Pará presented difficulties in combating the pandemic, ranging from underreporting and a low number of tests to a large territorial distance between cities with installed hospital capacity.
View Article and Find Full Text PDFIn vitro cytotoxicity of dental adhesives: A systematic review.
Dent Mater
February 2019
Full Professor, Endodontics and Geriatric Dentistry Department, Laboratory Experimental of Culture Cell (LECCel), Faculty of Dentistry, University Federal Fluminense (UFF), Niteroi, RJ, Brazil. Electronic address:
Objectives: The increased demand for esthetics and minimally invasive tooth restorations resulted in a rapid development of adhesive dentistry. However, much controversy remains about the safe use and cytotoxic effects of different groups of dental adhesives. The present study performed a systematic review to identify the answer to the following question: are self-etch adhesives more cytotoxic than those employing the etch-and-rinse system?
Methods: This systematic review was performed in accordance with the PRISMA statement; a quality assessment for in vitro studies was conducted using the ToxRTool.
Evaluation of Inflammatory Response to Endodontic Sealers in a Bone Defect Animal Model.
J Contemp Dent Pract
July 2016
Department of Molecular and Cell Biology, Institute of Biology, Fluminense Federal University, Niteroi, Rio de Janeiro Brazil.
Aim: The aim of this study was to evaluate the inflammatory response to MTA Fillapex, AH Plus, and Pulp Canal Sealer Extensive Work Time (EWT), in a murine bone defect grafting model.
Materials And Methods: Bilateral mandibular critical defects were produced in 45 Wistar rats with a trephine bur#2 and filled with the endodontic sealers. After 7, 14, and 28 days, the rats were euthanized and their jaws were histologically prepared.
Effect of Citric Acid and Ethylenediaminetetraacetic Acid on the Surface Morphology of Young and Old Root Dentin.
Iran Endod J
July 2016
Department of Endodontics, Fluminense Federal University (UFF), Niteroi, Rio de Janeiro, Brazil;
Introduction: The aim of this in vitro study was to evaluate the effect of 10% citric acid and 17% ethylenediaminetetraacetic acid (EDTA) irrigating solutions on the surface morphology of young and old root dentin by determining the number and diameter of dentinal tubules using scanning electron microscopy (SEM).
Methods And Materials: Fifty healthy human teeth collected from young (≤30 years) and old (≥60 years) individuals (n=25) were first prepared with a Largo bur #2 to produce smear layer on the root canal surface. Subsequently, the crowns and the root middle and apical thirds were sectioned and removed, and the cervical thirds were sectioned vertically in the buccal-lingual direction into two equal halves.
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