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Conocarpus erectus L., a plant with a high content of structural sugars, ions and phenolic compounds, shows antioxidant and antimicrobial properties promoted by different organic fractions

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Asian Pacific Journal of Tropical Biomedicine 2018年第9期8卷 463-470页

作者： Dayane Kelly Dias do Nascimento Santos Weslley henrique de Oliveira Melo Anastassia Mariáh Nunes de Oliveira Lima Iranildo Joseda Cruz Filho Glaucia Manoella de Souza Lima Tulio Diego da Silva Maiara Celine de Moura Marcia Silva do Nascimento Ana Maria Souto Maior thiago henrique napoleao Cristiane Moutinho Lagos de Melo Department of Biochemistry Biosciences Centre Federal University of Pernambuco Department of Antibiotics Biosciences Centre Federal University of Pernambuco Center of Strategic Technologies of the Northeast

Objective: To evaluate the structural and chemical composition of plant and the antioxidant and antimicrobial activities promoted by hexanic, ethanolic and ethyl acetate fractions obtained from leaves of Conocarpus ***: Organic fractions were characterized through UPLC-MS and *** potential was performed through DPPH and molybdenum phosphate *** and antifungal assays were performed in accordance with Clinical and Laboratory Standards Institute ***: The obtained biomass of Conocarpus erectus leaves showed the high presence of glucose(0.45 g/L), cellulose(28.69%), Na(55.126 μg/L) and K(31.163 μg/L).We identified seven compounds in the hexanic and ethyl acetate fractions, and eight compounds in ethanolic ***, phenolic compounds are prevalent in all organic fractions with values of(10.04 ± 0.24),(221.26 ± 1.84),(340.53 ± 0.84) mg/g GAE to hexanic, ethyl acetate and ethanolic fraction, *** results showed a high potential in ethyl acetate fraction(71.82 ± 6.87)% and(10.89 ± 0.05)% in DPPH and molybdenum phosphate techniques, *** ethanolic fraction showed moderate bacteriostatic and bactericidal activity against Staphylococcus aureus and presented a high fungistatic potential for all Candida species ***: Organic fractions obtained from leaves of Conocarpus erectus present antimicrobial and antioxidant properties, and these findings contribute to scientific information for the effectiveness on use of this plant in the development of a phytotherapic compound.

关键词： Combretaceae Phenolic compounds Antimicrobial activity Antioxidant

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Phytochemical bioprospecting, antioxidant, antimicrobial and cytotoxicity activities of saline extract from Tithonia diversifolia(Hemsl) *** leaves

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Asian Pacific Journal of Tropical Biomedicine 2018年第5期8卷 245-253页

作者： Bruno Rafael Barboza Bárbara Rafaela da Silva Barros Bárbara de Azevedo Ramos Maiara Celine de Moura thiago henrique napoleao Maria Tereza dos Santos Correia Luana Cassandra Breitenbach Barroso Coelho Iranildo José da Cruz Filho Ana Maria Souto Maior Túlio Diego da Silva Leylianne de Cássia Rodrigues Nerys Edson Renan Barros de Santana Cláudia Sampaio de Andrade Lima Virgínia Maria Barros de Lorena Cristiane Moutinho Lagos de Melo Department of Antibiotics Biosciences Centre Federal University of Pernambuco Department of Biochemistry Biosciences Centre Federal University of Pernambuco Center for Strategic Techmologies of the Northeast Department of Biophysics Biosciences Centre Federal University of Pernambuco Aggeu Magalhaes Institute IAM/FIOCRUZ

Objective:To evaluate antimicrobial and antioxidant properties of saline extract from Tithonia diversifolia leaves by phytochemical bioprospecting,and investigate its safety against animal ***:The saline extract was prepared,with NaCl(0.15 M),by constant stirring of the dried and pulverized leaves,followed by volume reduction by *** extract was phytochemical characterized using ultra-performance liquid chromatography,and total phenol and flavonoid analysis also was *** antioxidant capacity was determined through DPPH*radical,the antimicrobial property was evaluated against standard bacteria and fungi,and the viability assays were performed against mice ***:Fifteen compounds were identified belonging to two main classes terpenoids and *** extract showed 22.185 mg GAE/g of total phenolic compounds and 3.220 mg QE/g of ***,extract showed higher antioxidant ability similar to butylated hydroxytoluene a standard molecule[(3.042±0.019)mg AAE/g and(4.12±0.10)mg AAE/g to saline extract and butylated hydroxytoluene,respectively].The antimicrobial assays demonstrated that the extract had a significant antifungal potential against Candida species and could be used with safety against mice splenocytes,in concentrations lower than 50μg/mL,promoting higher proliferation in these ***:Saline extract from Tithonia diversifolia leaves presents potential antioxidant,antifungal properties and induces immunostimulation in mice splenocytes.

关键词： Tithonia diversifolia Extract Antioxidant Antifungal properties Immunostimulation

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Fast Tool for Structural Monitoring of a Pier After Impact of a Very Large Vessel Using Ambient Vibration Analysis

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Journal of Marine Science and Application 2021年第2期20卷 317-324页

作者： thiago henrique Walnorio Ferreira Cláudio Martins Civil Engineering Department UFESVitoria PO 29075-910Brazil Civil Engineering Department CEFETSBelo Horizonte PO 30421-169Brazil

Operational modal analysis is a non-destructive structural investigation that considers only the loads resulting from service *** approach allows the measurement of vibrations on a given structure with no need to interrupt its *** present work aims to develop a numerical model to represent the global structural behavior of a vessel breasting dolphin using a technique that is simple and cheap in order to obtain a fast answer about the stiffness of a pier after the collision of ships with capacity up to 400,000 *** determine the modes of vibration,one accelerometer was installed on the breasting dolphin located on the pier and a frequency domain technic was conducted over recorded data to obtain modal parameters of the *** situ measurements were compared to data from a finite element model based on the original structural design in order to adapt the model to accurately represent the actual behavior of the *** allowed a reliable structural analysis that accounted for existing structural damage and *** results of the experiment presented herein are the numerical characterization of the structure,along with the structural analysis to assess the degree of damage currently observed on the *** is noted that the dolphin subjected to ship impacts presents a reduction in stiffness of approximately10%and its global damage level can be monitored from now after new accidents.

关键词： Structural health monitoring Ambient vibration analysis Natural frequency Dynamics of structures Marine structures

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Postgraduate education among family and community physicians in Brazil:the Trajetórias MFC project

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Family Medicine and Community Health 2020年第3期8卷 1-10页

作者： Leonardo Ferreira Fontenelle Stephani Vogt Rossi Miguel henrique Moraes de Oliveira Diego JoséBrandão thiago Dias Sarti Medical School Universidade Vila VelhaVila VelhaBrazil Commission of Medical Residency Universidade Vila VelhaVila VelhaBrazil Department of Social Medicine Universidade Federal do Espirito SantoVitoriaBrazil

Objective Our objective was to describe the postgraduate education trajectories of family and community physicians in Brazil,where neither primary healthcare nor family and community medicine is recognised as a knowledge area for the purpose of research and postgraduate education(master’s and PhD degrees).Design An observational,exploratory study,using administrative data.A nationwide list of family and community physicians as of late November 2018 was compiled from multiple *** on the mode of specialisation was obtained from the same sources and were correlated with data on master’s and PhD degrees,obtained from the curricula vitae on the Lattes *** This study was set in *** 6238 family and community physicians(58.3%female),of whom 2795 had earned a specialist certificate(identified from the list of physicians certified by Sociedade Brasileira de Medicina de Família e Comunidade)and 3957 had completed medical residency(identified from SisCNRM,the national information system for medical residency).Results A master’s degree was held by 747(12.0%)family and community physicians,and a PhD by 170(2.7%);most degrees were in collective health(47.0%and 42%,respectively).Men were more likely than women to hold a master’s degree(adjusted odds ratio(aOR)1.24,95%uncertainty interval(UI)1.07-1.45)and even more likely to a hold PhD(aOR 1.86,95%UI 1.35-2.59).Family and community physicians were also less likely to hold a PhD degree if their master’s degree was professional(oriented towards jobs outside academia)instead of academic(aOR 0.15,95%UI 0.05-0.39)or in some area other than collective health or medicine(aOR 0.41,95%UI 0.21-0.78,compared with a master’s degree in collective health).The postgraduate degree was more likely to precede specialisation for family and community physicians specialising through certification(master’s degree 39.9%,PhD 33%)than through medical residency(master’s degree 9.1%,PhD 6%).Conclusion Family and community

关键词： MFC collective education

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Effects of Ingested Baccharis dracunculifolia D.C.(Asteraceae)Extract in the Liver of Prochilodus lineatus Fish

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Microscopy Research 2019年第3期7卷 27-38页

作者： Jeffesson De Oliveira-Lima Bruno Fiorelini Pereira Joao Rodolfo Tuckumantel Valim thiago Gazoni Dimitrius Leonardo Pitol Flavio henrique Caetano Department of Biology Sao Paulo State UniversitySao PauloBrazil Department of Biological Sciences Federal University of Sao PauloDiademaBrazil Department of Morphology University of Sao PauloRibeirao PretoBrazil

Baccharis dracunculifolia, popularly known in Brazil as “alecrim-do-campo”, is widely recognized for its therapeutic potential. The extract of its leaves is used for liver problems, stomach disorders and others. The objective of the present study was to perform a histochemical analysis of curimbata fish livers to evaluate the potential effects and risks of the ingestion of B. dracunculifolia. Thirty-two animals were divided into two experimental groups in duplicate: Control group (regular food) and B. dracunculifolia Treated group (food added with B. dracunculifolia). The fishes were collected on the 14th and 21st days after the treatment period of 21 days. The histological alterations were evaluated using the semiquantitative methods Mean Value of Alterations (MVA), Histopathological Alteration Index (HAI) and Image J®. HAI and MAV showed that the extract caused slight but statistically significant damages, widely distributed throughout the organ. The results showed significant hepatic alterations caused by the ingestion of B. dracunculifolia extract.

关键词： Asteraceae Hepatotoxicity Lipofuscin Macrophages Prochilodus lineatus

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Sublethal Doses of Insecticides Affect the Fecundity and Fertility of the <i>Chrysodeixis includens</i>?

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American Journal of Plant Sciences 2018年第3期9卷 483-494页

作者： Raimundo henrique Ferreira Rodrigues Luciana Barboza da Silva thiago Ferreira Rodrigues Gleidyane Novais Lopes Eliane Carneiro Bruno Ettore Pavan Post-Graduation Program in Plant Science Agronomy Universidade Federal do Piauí Bom Jesus Brazil Faculty of Engineering UNESP Ilha Solteira Universidade Estadual Paulista Ilha Solteira Brazil

The objective was to determine lethal concentrations and to evaluate the effects of sublethal doses of insecticides on Chrysodeixis includens under laboratory conditions. The standard population of C. includens was kept on artificial diet under controlled conditions (25°C ± 5°C, 60% ± 10 RU, 12:12 h). The active principles used were B. thuringiensis, Indoxacarb and Teflubenzuron. The CL25 and LC50 obtained from dose response curve (estimated from eight concentrations of each active principle) were diluted in water and applied to the back of third instar caterpillars and compared to the control (water). The insecticides used showed lethal and sublethal effects in C. includens. Bacillus thuringiensis was 6.21 and 2.79 times more toxic to soybean looper when compared to the products Indoxacarb and Teflubenzuron, respectively. Insecticides applied to the caterpillars reduced survival and affected the biomass gain with increased larvae and pupae longevity, with a significant reduction in fertility (40%) and fecundity (94.97%) in adults. In the present study it was observed that both survival and larval biomass gain have a direct effect on fecundity and fertility, respectively. Therefore the active ingredients Indoxacarb, Teflubenzuron and B. thuringiensis can be used in rotation as a tool in the C. includens.

关键词： Bacillus thuringiensis Chemical Control Indoxacarb Soybean Looper Teflubenzuron

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Spacing between Soybean Rows

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American Journal of Plant Sciences 2018年第4期9卷 711-721页

作者： Luiz Claudio Garcia Ivo Frare thiago Inagaki Pedro henrique Weirich Neto Marcos Martins Maghnom henrique Melo Leandro Nadolny Marcos Kruppa Rogenski Newton Seifert Filho Ezequiel Barbosa de Oliveira Department of Soil Science and Agricultural Engineering State University of Ponta Grossa Ponta Grossa Brazil

The soybean crop has great economical importance in Brazil and in the world. In order to make the crop production profitable, several factors must be considered. The objective of this study was to evaluate the impact of spacing between soybean crop rows (Glycine max). The experiment was installed in the Mutuca farm (Arapoti—PR, southern Brazil), in the crop seasons of 2012/2013 (four seeding seasons) and 2013/2014 (two seeding seasons), in a completely randomized blocks design. We used four treatments and six replicates. The treatments were the spacing between rows as follow: 0.25, 0.50, 0.75 and 1.00 m. The variables evaluated were: initial and final plant population, plant height, number of internodes, viable internodes, pods per plant, grains per pod, mass of thousand grains and crop productivity. We concluded that the reduction of the spacing between rows significantly increased, in most part of the crop seasons, the number of pods per plants and the crop productivity.

关键词： Productivity Components Glycine max No-Till System

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Repeatability of Pre-Harvest Sprouting in Wheat

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American Journal of Plant Sciences 2014年第11期5卷 1607-1613页

作者： Eduardo Stefani Pagliosa Valeria Carpentieri-Pipolo Deoclécio Domingos Garbuglio thiago henrique Oro Karla Bianca de Almeida Lopes Claudemir Zucareli Agricultural Research Institute of Paraná State—IAPAR Londrina Brazil State University of Londrina Londrina Brazil

This study aimed to detect genotypic differences in the resistance to sprouting of wheat grains, evaluate the effectiveness of different methods for inducing sprouting and identify, using repeatability estimates, the minimum number of spikes necessary for the adequate evaluation of the percentage of grain sprouting in the spike in order to assist in the selection of superior genotypes in breeding programs. Spikes from four wheat cultivars (Frontana, IPR Catuara, Quartzo and BRS 220) were evaluated using three methods for inducing grain sprouting in the spike (water immersion, rainfall simulation and germination chamber). To determine the most efficient method, repeatability coefficients were estimated through analysis of variance, principal components analysis and structural analysis based on correlation and covariance matrices. The induction of sprouting by immersion in water was the most effective method for indicating genotypic differences and may be used in breeding programs for this purpose. The repeatability method based on the components of covariance was more efficient. A minimum of 11 spikes is required to make a high-reliability estimate of the percentage of sprouted grains in the spike.

关键词： Triticum aestivum Rainfall Simulator Repeatability

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Antibacterial enhancement of antibiotic activity by Enterolobium contortisiliquum(Vell.)Morong

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Asian Pacific Journal of Tropical Biomedicine 2017年第10期7卷 945-949页

作者： Zildene de Sousa Silveira Nair Silva Macêdo thiago Sampaio de Freitas Ana Raquel Pereira da Silva Joycy Francely Sampaio dos Santos Maria Flaviana Bezerra Morais-Braga José Galberto Martins da Costa Raimundo Nonato Pereira Teixeira Jean Paul Kamdem henrique Douglas Melo Coutinho Francisco Assis Bezerra da Cunha Laboratorio de Bioprospeccao do Semioarido Universidade Regional do CaririCratoBrazil Laboratorio de Microbiologia e Biologia Molecular Universidade Regional do CaririCratoBrazil Laboratorio de Pesquisas de Produtos Naturais Universidade Regional do CaririCratoBrazil Departamento de Ciencias biologicas Universidade Regional do Cariri-URCACratoCEP:63105-000Brazil Programa de Pos-graduacao em Bioprospeccao Molecular Universidade Regional do Cariri–URCACratoBrazil

Objective: To identify the main chemical classes of compounds from aqueous extract of Enterolobium contortisiliquum(E. contortisiliquum) seed bark and to evaluate its antibacterial activity, as well as its potential to increase the activity of antibiotics against strains of Staphylococcus aureus, Pseudomonas aeruginosa and Escherichia ***: Different classes of compounds in the aqueous extract of E. contortisiliquum were evaluated based on the visual changes in the coloration and the formation of precipitate after the addition of specific reagents. The antibacterial activity of the extract and its potential to increase of antibiotic activity of antibiotics drugs, gentamicin and norfloxacin was determined by using the microdilution ***: Our results demonstrated that the following secondary metabolites were presented in E. contortisiliquum seed bark: flavones, flavonols, xanthones, flavononols,chalcones, aurones, flavones and catechins. The extract itself had very low antibacterial activity against all bacterial strains tested(MIC ≥ 1024 μg/m L), but there was an increase in the antibiotic activity of gentamicin and norfloxacin when combined in the subinhibitory concentration(i.e., MIC/8).Conclusions: Our data suggests that E. contortisiliquum seed bark may be an alternative source for new drugs with the potential to increase antibiotic activity against different strains of bacteria.

关键词： Antibiotic activity Enhancement Synergism Chemical compounds Bioactivity

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Prevalence of Latent Tuberculosis Infection [LTBI] in Prison Officers: A Systematic Review and Meta-Analysis

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Open Journal of Respiratory Diseases 2024年第1期14卷 12-24页

作者： thiago Poss Moreira Gustavo henrique Baraca Sanvezzo Maico Trevisol Renan William Mesquita Luiza Scalcon de Oliveira Lia Beatriz Henke de Azevedo Cleide Viviane Buzanello Martins Lirane Elize Defante Ferreto Health Sciences Center Faculty of Medicine Western Paraná State University Francisco Beltr&#227o Brazil Health Sciences Center Postgraduate Program in Applied Health Sciences Western Paraná State University Francisco Beltr&#227o Brazil

This study aimed to perform a systematic review and meta-analysis to determine the LTBI prevalence in prison officers worldwide. A systematic search was performed in PubMed, WoS, Embase, and BVS, including all articles related to LTBI prevalence and risk factors. After critical evaluation and qualitative synthesis of the identified articles, a meta-analysis was used. Five studies carried out between 2012 and 2022 were included, with a total sample size of 1718 prison officers. The overall LTBI prevalence was 50% [95% confidence interval [CI]: 48% - 52%;n = 816], with high heterogeneity between studies. Smoking [OR = 1.76;CI 95% = 1.26 - 2.46] and males [OR = 2.08;CI 95% = 1.31 - 3.31] were positively related to a higher LTBI prevalence among prison officers. Thus, preventive measures and the rapid and accurate diagnosis of new cases should be emphasized to ensure tuberculosis control, especially among risk groups such as prison officers.

关键词： Latent Tuberculosis Mycobacterium tuberculosis Meta-Analysis Prevalence Occupational Exposure

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