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Phytotoxic effect of Sesbania virgata(Cav.) *** seeds of agronomic and forestry species

Journal of Forestry Research 2015年第2期26卷 339-346页

作者： Vera Lygia El Id Bárbara Vale da Costa Daiane Salete Broch Mignoni Marina Belloni Veronesi Kelly Simoes marcia regina braga Nelson Augusto dos Santos Junior Seed Department Institute of Botany Plant Physiology and Biochemistry Department Institute of Botany

Sesbania virgata（Cav.） *** a pioneer species native to South America able to release allelochemicals that affect germination and development of other plant *** aim of this work was to evaluate the allelopathic effect of *** on the germination and development of co-occurring species from gallery forest and on agronomic *** forest native species,Enterolobium contortisiliquum（Vell.） Morong and Sapindus saponaria L.,and two agronomic species（these as control）,Oryza sativa *** Solanum lycopersicum *** used in the lab and greenhouse assays with seeds and leaf extracts of *** species were more affected than native species when co-germinated with seeds of *** germination percentage and speed germination index of the agronomic species were reduced in both in vitro and greenhouse *** the same assays,the seeds of native species showed no significant differences in the parameters ***,the initial growth of the four species assayed was affected,with reduction in plant length and shoot diameter followed by significant reduction in plantlet shoot and root *** the assays with irrigation of *** leaf extracts,no significant inhibitory effects on germination were observed for all *** and shoot diameter of the native species were not affected by the leaf extracts,nor were fresh and dry ***,these parameters increased in the agronomic species as they were irrigated with leaf *** on our data we conclude that seed leachates of *** affect germination and seedling development of other species,suggesting that its invasive behavior is due mainly to seed *** with less pronounced effects on native species,allelopathy of *** might also influence Interspecific competition in its natural environment.

关键词： Allelochemicals Allelopathy Catechin Fabaceae Gallery forest

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Clinicopathological Description of a Chronic Lymphocytic Leukemia in a Dog

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Open Journal of Veterinary Medicine 2024年第7期14卷 155-162页

作者： Maria Clara Boni Raffi Giovanna Valverde Magalhães Barbosa Alana Carolina Capais Rodrigues Sheila Canevese Rahal John P. Kastelic Luíz Guilherme Dercore Benevenuto Iolanda Simões braga Beatriz Poloni Batista Felipe César Da Silva Brasileiro Fernanda Barthelson Carvalho de Moura Priscylla Tatiana Chalfun Guimarães Okamoto regina Kiomi Takahira Alessandra Melchert Noeme Sousa Rocha Department of Veterinary Clinics School of Veterinary Medicine and Animal Science So Paulo State UniversityUNESP Botucatu SP Brazil Independent Veterinary Practitioner Department of Veterinary Surgery and Animal Reproduction School of Veterinary Medicine and Animal Science So Paulo State UniversityUNESP Botucatu SP Brazil Faculty of Veterinary Medicine University of Calgary Calgary Canada

Hematopoietic tumors are associated with diagnostic and therapeutic challenges and a poor prognosis. Furthermore, their pathophysiology in dogs is not well understood. Chronic lymphocytic leukemia has been rarely reported in golden retrievers, perhaps due to difficulties in diagnosis and care. An 8-year-old spayed female golden retriever was referred to our hospital with a 2-month history of fatigue, weakness, and selective appetite. The dog was diagnosed with chronic lymphocytic leukemia based on blood smear evaluation. Despite treatment, the dog deteriorated and the owners opted for euthanasia. Histopathological examination revealed atypical lymphocytes in the spleen, extramedullary hematopoiesis in the spleen and liver, bone marrow depletion, moderate neutrophilic myocarditis, and acute renal tubular necrosis. In an immunohistochemical panel, cells in the spleen and bone marrow were positive for anti-CD20, anti-CD45, anti-CD3, anti-IBA-1, anti-Ki67, anti-MUM-1, and anti-PAX-5. In conclusion, the leukemia diagnosis was confirmed through reactive histiocytosis, marked extramedullary hematopoiesis, and other clinical and laboratory findings. Herein, we report a case of chronic lymphocytic leukemia in a female dog with clinical, laboratory, and necroscopy findings.

关键词： Canine Cancer Neoplasia Therapeutics

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FeedEfficiencyService: An architecture for the comparison of data from multiple studies related to dairy cattle feed efficiency indices

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Information Processing in Agriculture 2022年第3期9卷 378-396页

作者： Heitor Magaldi Linhares regina braga Wagner Antonio Arbex Mariana Magalhaes Campos Fernanda Campos Jose Maria N.David Victor Stroele Programa de Pos-Graduacao em Ciencia da Computacao Universidade Federal de Juiz de ForaCampus UniversitarioRua JoseLourenco Kelmers/n-Sao PedroJuiz de ForaMinas Gerais 36036-900Brasil Brazilian Agricultural Research Corporation-Embrapa Av.Eugenio do Nascimento610-AeroportoJuiz de Fora-MGMinas Gerais 36038-330Brasil

The increased demand for food worldwide,the reduced land availability for livestock pro-duction,the increasing cost of animal feed and the need for mitigating livestock-related greenhouse gas emissions have driven the search for animal feeding systems that proves more *** tackle this problem,we propose the use of computational support to help researchers compare data on feed efficiency,therefore improving economic and environ-mental *** a solution,we present an integrative architecture capable of combining heterogeneous data from multiple experiments related to dairy cattle feed efficiency *** proposed architecture,called FeedEfficiencyService,classifies animals according to feed efficiency indices and allows visualizations through ontologies and inference *** results obtained from a case study with researchers from the Brazilian Agri-cultural Research Corporation–Dairy Cattle(EMBRAPA)demonstrate that this architecture is a supporting tool in their daily work *** researchers highlighted the importance of the proposed architecture as it allows analyzing animal data,comparing experiments,having reliable data analyses,and standardizing and organizing data from *** novelty of our approach is the use of ontologies and inference engines to enable the discovery of new knowledge and new relationships between data from feed efficiency-related *** store such data,relationships,and analyses of results in an inte-grated *** solution ensures unified access to the processing history and data from diverse experiments,including those conducted at external research centers.

关键词： Dairy Cattle

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Investigation of possible relationship between atopic dermatitis and salivary biomarkers,stress,and sleep disorders

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World Journal of Clinical Cases 2023年第17期11卷 3958-3966页

作者： Juliany Estefan Dennis de Carvalho Ferreira Fernanda Sampaio Cavalcante Kátia regina Netto dos Santos marcia Ribeiro Dermatologia Pediátrica Universidade Federal do Rio de JaneiroRio de Janeiro 21941630Brazil Faculdade de Enfermagem Departamento de Fundamentos de EnfermagemUniversidade do Estado do Rio de JaneiroRio de Janeiro 20551030Brazil Departamento de Clínica Médica Instituto de Ciências MédicasUniversidade Federal do Rio de JaneiroCampus MacaéRio de Janeiro 27930-560Brazil Departamento de Microbiologia Médica Instituto de Microbiologia Paulo de GóesUniversidade Federal do Rio de JaneiroRio de Janeiro 21941630Brazil Genética médica Instituto de Puericultura e Pediatria Martagão Gesteira/Universidade Federal do Rio de JaneiroRio de Janeiro 21941630Brazil

Atopic dermatitis(AD)is a chronic,relapsing,multifactorial inflammatory disease with genetic,environmental,and immunological *** quality of life and sleep of patients and their families are affected by AD,which triggers stress,described as one of the factors that worsens *** biomarkers such as cortisol,alpha-amylase,chromogranin A,and melatonin have been associated with stress and sleep ***,the evaluation of stress and sleep disorders using salivary biomarkers in AD patients is *** review aims to describe the possible relationship between atopic dermatitis and stress,sleep disorders,and salivary biomarkers,seeking to contribute to better understanding and clinical management of *** descriptive study is characterized as a narrative literature review.A literature search was conducted of studies published in English and Portuguese between January 2012 and October 2022 that are available in electronic media from various databases,such as Scientific Electronic Library Online,Latin American and Caribbean Literature on Health Sciences,and *** is associated with different degrees of impact on the lives of individuals who present with the *** stress may induce changes in saliva composition and worsen AD;at the same time,the severity of the disease may be associated with emotional *** studies are needed to assess and correlate AD severity,stress,and sleep disturbances with salivary biomarkers in order to better understand this association.

关键词： Atopic dermatitis Sleep Psychological stress Chromogranin A Melatonin Cortisol

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The effects of neem [Azadirachta indica A. Juss (meliaceae)] oil on Fusarium oxysporum f. sp. medicagenis and Fusarium subglutinans and the production of fusaric acid toxin

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Advances in Bioscience and Biotechnology 2010年第1期1卷 1-6页

作者： marcia regina Ferreira Geraldo Carla Cristina Arroteia Carlos Kemmelmeier 不详

Fungi of the genus Fusarium are well known plant pathogens, cause several vascular diseases and are producers of toxins. In vitro assays evaluated the effects of Neem (Azadirachta indica) oil on the diameter of colonies, dry weight, spore production, spore viability and production of Fusaric Acid toxin on Fusarium oxysporum f. sp. medicagenis and Fusarium subglutinans isolates. Effects of Neem oil were analyzed at concentrations 0.25%, 0.5% and 1% in Czapek Yeast Agar medium. The production of Fu- saric acid was determined by Thin Layer Chromatography and quantified by UV spectrophotometry. Neem oil showed inhibitory effects on the isolates tested, although they varied according to type of isolate and oil concentration. Neem oil was efficient in reducing the colonies’ diameter and dry weight in concentration-dependent manner. Neem oil was efficacious at higher concentration in the decrease of sporulation. Spore germination was affected by Neem oil when the spore was grown in Neem-contained medium as when the spore emerged from a culture in a Neem medium. Neem oil decreased and even inhibited the production of Fusaric acid by the assayed isolates. Since these isolates are plant pathogens and producers of Fusaric acid, Neem oil may be introduced as an integral item in the management of host plants.

关键词： Fusarium Azadirachta Indica Fusaric Acid Antifungal Activity

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Al_2O_3负载Cu,Fe或Ni掺杂氧化钼催化乙苯氧化脱氢(英文)

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催化学报 2015年第5期36卷 712-720页

作者： Tiago Pinheiro braga Ant?nio Narcísio Pinheiro Edson R.Leite regina Cláudia R.dos Santos Antoninho Valentini LABPEMOL-Laboratório de Peneiras Moleculares Institute of Chemistry Federal University of Rio Grande do Norte Department of Chemistry Federal University of S?o Carlos Langmuir-Laboratório de Adsor??o e Catálise Department of Analytical Chemistry and Physical Chemistry Federal University of Ceará

Molybdenum-based catalysts supported on Al_2O_3 doped with Ni, Cu, or Fe oxide were synthesized and used in ethylbenzene dehydrogenation to produce styrene. The molybdenum oxide was supported using an unconventional route that combined the polymeric precursor method(Pechini) and wet impregnation on commercial alumina. The samples were characterized by X-ray diffraction(XRD), N_2 adsorption-desorption isotherms, temperature-programmed reduction of H_2(H_2-TPR),and thermogravimetric(TG) analysis. XRD results showed that the added metals were well dispersed on the alumina support. The addition of the metal oxide(Ni, Cu, or Fe) of 2 wt% by wet impregnation did not affect the texture of the support. TPR results indicated a synergistic effect between the dopant and molybdenum oxide. The catalytic tests showed ethylbenzene conversion of 28%–53% and styrene selectivity of 94%–97%, indicating that the addition of the dopant improved the catalytic performance, which was related to the redox mechanism. Molybdenum oxides play a fundamental role in the oxidative dehydrogenation of ethylbenzene to styrene by its redox and acid–base properties. The sample containing Cu showed an atypical result with increasing conversion during the reaction, which was due to metal reduction. The Ni-containing solid exhibited the highest amount of carbon deposited, shown by TG analysis after the catalytic test, which explained its lower catalytic stability and selectivity.

关键词：氧化铝载体乙苯脱氢铁氧化物氧化脱氢钼氧化物镍掺杂氧化还原机理金属氧化物

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Atypical Hemolytic Uremic Syndrome in a Post-COVID-19 Child: Its Differential Diagnosis with COVID-19, Multisystemic Inflammatory Syndrome and Outcome

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Open Journal of Pediatrics 2022年第4期12卷 657-664页

作者： Fernanda Aparecida De Oliveira Peixoto Célia regina Malveste Ito André Luís Elias Moreira Paulo Alex N. Silva Mônica Oliveira Santos Isabela Jubé Wastowski Liana De Medeiros Machado braga Vivian Da Cunha Rabelo Lilian Carla Carneiro Melissa Ameloti Gomes Avelino Department of Pediatrics Neonatal ICU of Clinical Hospital of Federal University of Goiás/Ebserh Goiania Brazil Microorganism Biotechnology Laboratory of Institute of Tropical Pathology and Public Health Federal University of Goiás Goiania Brazil Molecular Immunology Laboratory of Goiás State University Anápolis Brazil Pediatrics ICU of State Emergency Hospital Governor Otávio Lage of Siqueira Goiania Brazil Surgical Department of Pediatrics Medical School Federal University of Goiás Goiania Brazil

Pediatric Multisystemic Inflammatory Syndrome (MIS-C) is one of the most severe manifestations of SARS-CoV-2 in pediatrics [1]. This is a report of MIS-C with clinical presentation in infants with atypical Hemolytic U... 详细信息

关键词： MISC COVID-19 aHUS Children Critical Care

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析因设计结合响应面法分析甲烷干重整过程中通过形成碳纳米管进行二氧化碳减排(英文)

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催化学报 2014年第4期35卷 514-523页

作者： Tiago P.braga regina C.R.Santos Barbara M.C.Sales Bruno R.da Silva Antnio N.Pinheiro Edson R.Leite Antoninho Valentini Department of Analytical Chemistry and Physical Chemistry Federal University of Ceara Department of Chemistry Federal University of So Carlos

A factorial experimental design was combined with response surface methodology(RSM) to opti-mize the catalyzed CO2 consumption by coke deposition and syngas production during the dry re-forming of CH4. The CH4 /CO2 feed ratio and the reaction temperature were chosen as the variables, and the selected responses were CH4 and CO2 conversion, the H2 /CO ratio, and coke deposition. The optimal reaction conditions were found to be a CH4 /CO2 feed ratio of approximately 3 at 700 °C, producing a large quantity of coke and realizing high CO2 conversion. Furthermore, Raman results showed that the CH4 /CO2 ratio and reaction temperature affect the system's response, particularly the characteristics of the coke produced, which indicates the formation of carbon nanotubes and amorphous carbon.

关键词：二氧化碳转化响应面法碳纳米管析因设计甲烷碳减排重整管形

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Therapeutic and biological activities of Calotropis procera(Ait.) ***.

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Asian Pacific Journal of Tropical Medicine 2010年第4期3卷 332-336页

作者： marcia Calheiros Chaves Silva Antonio Batista da Silva Fabiano Moura Teixeira Paulo Cesar Pereira de Sousa regina Maria Macedo Rondon Jose Eduardo Ribeiro Honorio Junior Luiz Rafael Leite Sampaio Samanda Lima Oliveira Angela Nadyla Martins Holonda Silvania Maria Mendes de Vasconcelos Enfermeira Mestre em Farmacologia/Universidade Federal do Ceara/UFC Farmaceutico Mestre em Patologia Tropical/Universidade Federal do Amazonas/UFAM Biologo Mestre em Bioquimica/Universidade Federal do Ceara/UFC Farmaceutico Mestre em Ciencias Farmaceutica/Universidade Federal do Ceara/UFC Biologa Mestre em Producao Animal/Universidade Estadual do Ceara/UECE Biologo Mestre em Fisiologia da Universidade Estadual do Ceara/UECE Enfermeiro Mestrando em Farmacologia da Universidade Federal do Ceara/UFC Aluna de Farmacia da Universidade Federal do Ceara/UFC Enfermeira Professora Adjunto do Depto.de Fisiologia e Farmacologia da Universidade Federal do Ceara/UFC

Medicinal plants have been used to treat various ailments of the poor population around the world;hence the interest among researchers to know the active ingredients of certain plants has being *** Calotropis procera(***) is a plant original from Africa,commonly found in northeastern *** is well known for their pharmacological properties,since it produces large amounts of *** important role that medicinal plants play in folk medicine has led us to develop this article in order to review the major pharmacological activities of C. procera.

关键词： Calotropis procera Pharmacological activity Medicinal plants

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Penicillin Resistance in Nasopharyngeal Streptococcus pneumoniae among Children with Sickle Cell Disease Immunized with 7-Valent Pneumococcal Conjugate Vaccine

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World Journal of Vaccines 2013年第2期3卷 25-31页

作者： Patricia Belintani Blum Fonseca Calil Kairalla Farhat regina Celia de Menezes Succi Antonia Maria de Oliveira Machado Josefina Aparecida Pellegrini braga Pediatric Department Universidade Federal de Sao PauloSao PauloBrazil Department of Infectious Disease Universidade Federal de Sao PauloSao PauloBrazil

To assess the prevalence, the antimicrobials resistance and to identify risk factors of nasopharyngeal colonization by Streptococcus pneumoniae in children with sickle cell disease (SCD) using prophylactic penicillin and immunized with 7-valent pneumococcal conjugate vaccine. A total of 424 swabs were collected from the nasopharynx in 216 children with SCD and 109 samples from the control group, both from 2 to 60 months age range. Isolation and identification of pneumococci followed standard procedures. Minimum inhibitory concentration (MIC) for penicillin was determined by the E-test method. Prevalence of nasopharyngeal colonization by pneumococci in children with SCD was 17%, and 11% in the control group. The risk factors for increased colonization in children with SCD were the presence of more than five people at home, daycare/school attendance and low prophylaxis compliance. The prevalence of strains with penicillin resistance was 57.5% in patients with SCD and 25% in the control group. Conclusions: Prevalence of pneumococci nasopharyngeal colonization was similar among the study groups. Prophylactic use of penicillin may have increased the prevalence of resistant strains. The vaccine did not decrease the colonization with penicillin resistant strains.

关键词： Sickle Cell Disease Nasopharyngeal Carriage Streptococcus pneumoniae Antimicrobial Resistance Vaccine

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