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Anatomical description of the ventral and dorsal cervical rootlets in rats: A microsurgical study
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Santos, Deivid Ramos dos

; Araújo, Nayara Pontes de

; Teixeira, Renan Kleber Costa

; Bentes, Lívia Guerreiro de Barros

; Giubilei, Dante Bernardes

; Chaves, Rosa Helena de Figueiredo

; Gonçalves, Arnaldo Algaranhar

; Yasojima, Edson Yuzur

; Barros, Rui Sergio Monteiro de

Acta Cirúrgica Brasileira

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2022, Volume 37 N. 3 elocation e370307

Abstract: En | Text: En | PDF: En

ABSTRACT Purpose: To describe the anatomical aspects of the cervical rootlets and to quantify the number of rootlets that compose C1 to T1. Methods: Twenty male rats were used in this study. The dorsal rootlets from C1 to T1 were analyzed. To study the ventral rootlets, the posterior root avulsion was performed using a microhook, allowing exposure of the ventral roots through manipulation of the denticulate ligament and arachnoid mater. The parameters analyzed were the number of ventral and dorsal rootlets by side and level. Results: The formation of the respective spinal nerve was observed in the spinal roots the union of the ventral and dorsal roots. In four animals the C1 spinal root had no dorsal and/or ventral contribution. There is no normal pattern of numerical normality of the dorsal and ventral rootlets. The average number of fascicles per root was 4.08, with a slight superiority on the left side. There was a slight superiority of the dorsal rootlets compared to the ventral rootlets. Conclusions: This investigation was the first to study cervical rootlets in rats. In 20% of the sample studied, the dorsal root of C1 was absent mainly on the left side. There is a nonlinear numerical increase from C1 to T1 in the rootlets. There is a numerical predominance of cervical fascicles on the left side, confronting several studies related to the functional predominance of right laterality, requiring new studies that correlate these variables.

https://doi.org/10.1590/acb370307

São Felipe Hospital: Capacity Management Challenge in a Hospital Emergency
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Araujo, Claudia Affonso Silva

; Figueiredo, Kleber Fossatti

Revista de Administração Contemporânea

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2021, Volume 25 N. 2 elocation e190326

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO Em julho de 2017, a diretoria do Hospital São Felipe, tradicional estabelecimento privado localizado em Minas Gerais, se reuniu para discutir os resultados da pesquisa de satisfação realizada no hospital, em que ficou clara a grande insatisfação dos clientes com o atendimento da emergência. No ano anterior, a emergência do hospital atendera, em média, a cerca de 6.300 pacientes/mês, divididos nas três especialidades: clínica médica, ortopedia e oftalmologia. Ao diretor da emergência foi dado um prazo de 20 dias para apresentar um plano de ação para resolver os problemas identificados em sua área, particularmente os relacionados à espera. A primeira atitude tomada pelo diretor da emergência foi coletar dados que viabilizassem analisar os tempos de espera ao longo do processo. De posse dos dados, ele acreditava que teria uma melhor compreensão do fluxo do processo e que seria capaz de propor soluções para o problema da espera na emergência. O caso foi escrito, com dados fictícios, com o objetivo pedagógico de trabalhar em sala de aula o conceito de gestão de capacidade em serviços e meios de lidar com a variabilidade do processo e da demanda, como é o caso de uma emergência hospitalar.

ABSTRACT In July 2017, the board of directors of Hospital São Felipe, a traditional hospital located in Minas Gerais, met to discuss the results of the satisfaction survey conducted at the hospital, where it was clear there was great customer dissatisfaction with the emergency service. In the previous year, the hospital emergency service received, on average, about 6,300 patients a month, divided in three specialties: general clinic, orthopedics, and ophthalmology. The director of emergency services had twenty days to submit a plan of action to address the problems identified in the emergency area, particularly those related to the waiting lines: wait time, lack of comfort, inattention of employees, and so on. The first action taken by the director was to collect data that would enable him to analyze wait times during the process: What time did the patient arrive at the emergency service? How long the patient waited to be attended by the receptionist? How long the patient waited for triage? and so on. With these data, he believed that he would have a better understanding of the process flow and would be able to propose solutions to the problem of waiting lines in the emergency area. The case was written with the educational goal of working with the concept of capacity management in services and with ways to deal with the demand variability, especially in high-touch and unpredictable services, as in the case of an emergency service.

https://doi.org/10.1590/1982-7849rac2021190326.en 718 downloads

A new anesthetic protocol to medullary nerve roots access in rats
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Santos, Deivid Ramos dos

; Teixeira, Renan Kleber Costa

; Araújo, Nayara Pontes de

; Calvo, Faustino Chaves

; Duarte, Tiago Braga

; Ataíde, Letícia Amanda Pinheiro de

; Chaves, Rosa Helena de Figueiredo

; Barros, Rui Sergio Monteiro de

Acta Cirúrgica Brasileira

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2021, Volume 36 N. 9 elocation e360908

Abstract: En | Text: En | PDF: En

ABSTRACT Purpose: To describe a new anesthetic protocol medullary and nerve roots access and in Rattus norvegicus. Methods: Seventy female Wistar rats (n=70) were used. The animals were randomly divided into two laminectomy groups: cervical (n=40) and thoracic (n=30). In cervical group, a right posterior hemilaminectomy was performed to access the nerve roots. In thoracic group, a laminectomy of the eighth thoracic vertebra was accomplished. Thirty-five rats (20 cervical and 15 thoracic) were submitted to old anesthetic protocol (ketamine 70 mg/kg plus xylazine 10 mg/kg); and the 35 other animals (20 cervical and 15 thoracic) were submitted to a new anesthetic protocol (ketamine 60 mg/kg,xylazine 8 mg/kg and fentanyl 0.03 mg/kg). Results: The time to complete induction was 4.15 ±1.20 minin ketamine, xylazine and fentanyl group, and it was 4.09 ±1.47 min in the ketamine and xylazine group. There was no correlation in the time required to perform the cervical laminectomy in the old anesthetic protocol. In all groups, the animals submitted to the old anesthetic protocol had a higher level of pain on the first and third postoperative days than the animals submitted to the new anesthetic protocol. Conclusions: The new anesthetic protocol reduces the surgical time, allows better maintenance of the anesthetic plan, and brings more satisfactory postoperative recovery.

https://doi.org/10.1590/acb360908 41 downloads

Selectivity and feeding behavior of Saanen goats subjected to three nutritional levels
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Gomes, Helen Fernanda Barros

; Souza, Samuel Figueiredo de

; Oliveira, Daiana de

; Biagioli, Bruno

; Teixeira, Izabelle Auxiliadora Molina de Almeida

; Resende, Kleber Tomás de

Revista Brasileira de Zootecnia

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2020, Volume 49 elocation e20190095

Abstract: En | Text: En | PDF: En

ABSTRACT This study was conducted to investigate the effect of selective feeding habits on the quality of the ingested diet and the effect of feed restriction on the selectivity and behavior of goats in feedlots. Differences were found only in the amount of feed given to the animals, with a difference in the amount of feed rejected as a function of the nutritional level. Higher levels of orts were measured for those animals that received the ad libitum diet. For the composition of orts, differences were measured only in the ether extract fraction. Animals fed the ad libitum diet increased their intake of ether extract and energy, crude fiber, neutral detergent fiber, and acid detergent fiber. Thus, they had a preference for consuming the fibrous and energetic portions of the diet to the detriment of the mineral matter. The granulometry influenced the leftovers for the male and female treatments only in the diet that contained the 2.00- and 0.063-mm sized particles, with larger leftovers for the females. There were statistical differences as a function of feeding level for time spent in rumination, with stereotypical behavior, and in time spent standing up or lying down. As a function of sex, the differences were the same variables, including the time spent with agonistic behavior. Animals that received the ad libitum diet had a greater gain and final weight, whereas the animals that received the 60% restricted diet had the lowest performance, as did the females. Feed restriction changed the natural feeding behavior of goats, with smaller feed particles preferred. The feed restriction and sex also influenced the time spent on nonproductive activities, and the animals became more restless, with females having a higher social behavior than males.

https://doi.org/10.37496/rbz4920190095 257 downloads

Ultraviolet radiation and water salinization on recirculating aquaculture systems
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Gonçalves Junior, Lucas Pedro

; Lara, Bernardo Santos

; Carvalho, Samuel Alves de

; Leal, Carlos Augusto Gomes

; Miranda Filho, Kleber Campos

; Figueiredo, Henrique César Pereira

; Luz, Ronald Kennedy

Pesquisa Agropecuária Brasileira

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2020, Volume 55 elocation e01804

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo: O objetivo deste trabalho foi avaliar os efeitos da radiação ultravioleta (UV) e da salinidade da água sobre a nitrificação, a qualidade da água, a carga bacteriana e o crescimento de juvenis de tilápia, em sistemas de aquicultura com recirculação de água (SRAs). O período experimental foi dividido em duas fases. A primeira durou 20 dias e avaliou os efeitos da salinidade (0 e 2 g L-1) e radiação UV (com ou sem) sobre a qualidade da água, durante o período de colonização do substrato por bactérias nitrificantes. Na segunda fase, após estocagem dos juvenis de tilápia, avaliaram-se os efeitos dos mesmos fatores experimentais sobre a qualidade da água, a carga bacteriana e o desempenho dos peixes. Os SRAs empregados foram eficientes na remoção da amônia, independentemente dos tratamentos utilizados. Durante o período experimental, as concentrações de nitrito aumentaram de forma linear, com um aumento mais acentuado após o armazenamento dos peixes até 30 dias do experimento. Não houve efeitos significativos da UV, da salinidade ou da interação de ambas sobre amônia total, nitrito e alcalinidade. Os baixos níveis de salinidade (2 g L-1) e UV não afetaram o processo de nitrificação e o desempenho dos peixes. O uso da UV é eficiente na redução da carga bacteriana dos sistemas de aquicultura com recirculação de água.

Abstract: The objective of this work was to evaluate the effects of ultraviolet radiation (UV) and water salinity on nitrification, water quality, bacterial load, and juvenile tilapia growth in recirculating aquaculture systems (RASs). The experimental period was divided into two phases. The first one lasted 20 days and evaluated the effects of salinity (0 and 2 g L-1) and UV (with or without) on water quality during the period of substrate colonization by nitrifying bacteria. In the second phase, after the storage of juvenile tilapia, the effects of the same experimental factors were evaluated on water quality, bacterial load, and fish growth performance. The RASs employed were efficient for ammonia removal, regardless of the treatments used. During the experimental period, the nitrite concentrations increased linearly, with a more pronounced increase after fish storage until 30 days of the experiment. There were no significant effects of UV, salinity, or the interaction of both on total ammonia, nitrite, and alkalinity. The low levels of salinity (2 g L-1) and UV did not affect the nitrification process and fish performance. The use of UV is efficient to reduce the bacterial load of recirculating aquaculture systems.

https://doi.org/10.1590/s1678-3921.pab2020.v55.01804 672 downloads

Influence of tramadol on functional recovery of acute spinal cord injury in rats
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Chaves, Rosa Helena de Figueiredo

; Souza, Celice Cordeiro de

; Furlaneto, Ismari Perini

; Teixeira, Renan Kleber Costa

; Oliveira, Carolina Pinheiro de

; Rodrigues, Emanuelle de Matos

; Santos, Daniel Arthur Santos dos

; Silva, Renata Cunha

; Penha, Nelson Elias Abrahão da

; Lima, Ana Rita de

Acta Cirúrgica Brasileira

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dec 2018, Volume 33 N. 12 Pages 1087 - 1094

Abstract: En | Text: En | PDF: En

Abstract Purpose: To evaluate the influence tramadol on functional recovery of acute spinal cord injury in rats. Methods: Ten rats were divided into two groups (n = 5). All animals were submitted by a laminectomy and spinal cord injury at eighth thoracic vertebra. In control group, the rats didn’t receive any analgesic. In tramadol group, the rats received tramadol 4mg/Kg at 12/12h until 5 days by subcutaneous. Animals were following by fourteen days. Was evaluated the Basso, Beattie, Bresnahan scale (locomotor evaluation) and Rat Grimace Scale (pain evaluation) at four periods. Results: There no difference between the groups in locomotor evaluation in all periods evaluated (p>0.05) and in both groups there was a partial recover of function. The tramadol group show a lower pain levels at the first, third and seventh postoperatively days when comparing to the control group. Conclusion: The tramadol as an analgesic agent don’t influence on functional recovery of acute spinal cord injury in rats

https://doi.org/10.1590/s0102-865020180120000006 1118 downloads

Effect of Fe3+ Doping in the Photocatalytic Properties of BaSnO3 Perovskite
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Moura, Kleber Figueiredo

; Chantelle, Laís

; Rosendo, Débora

; Longo, Elson

; Santos, Ieda Maria Garcia dos

Materials Research

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2017, Volume 20 Pages 317 - 324

Abstract: En | Text: En | PDF: En

In the last ten years, stannates with perovskite structure have been tested as photocatalysts. In spite of the ability of perovskite materials to accommodate different cations in its structure, evaluation of doped stannates is not a common task in the photocatalysis area. In this work, Fe3+ doped BaSnO3 was synthesized by the modified Pechini method, with calcination between 300 and 800ºC/4 h. The powder precursor was characterized by thermogravimetry after partial elimination of carbon. Characterization after the second calcination step was done by X-ray diffraction, Raman spectroscopy and UV-visible spectroscopy. Materials were tested in the photocatalytic discoloration of the Remazol Golden Yellow azo dye under UVC irradiation. Higher photocatalytic efficiency was observed under acid media. As no meaningful adsorption was observed at this condition we believe that an indirect mechanism prevails. Fe3+ doping decreased the band gap and favored the photocatalytic reaction, which may be assigned to the formation of intermediate levels inside the band gap.

https://doi.org/10.1590/1980-5373-mr-2016-1062 1321 downloads

A real-time reverse transcriptase polymerase chain reaction for detection and quantification of Vesiculovirus
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Tolardo, Aline Lavado

; Souza, William Marciel de

; Romeiro, Marilia Farignoli

; Vieira, Luiz Carlos

; Luna, Luciano Kleber de Souza

; Henriques, Dyana Alves

; Araujo, Jansen de

; Siqueira, Carlos Eduardo Hassegawa

; Colombo, Tatiana Elias

; Aquino, Victor Hugo

; Fonseca, Benedito Antonio Lopes da

; Bronzoni, Roberta Vieira de Morais

; Nogueira, Maurício Lacerda

; Durigon, Edison Luiz

; Figueiredo, Luiz Tadeu Moraes

Memórias do Instituto Oswaldo Cruz

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jun 2016, Volume 111 N. 6 Pages 385 - 390

Abstract: En | Text: En | PDF: En

Vesiculoviruses (VSV) are zoonotic viruses that cause vesicular stomatitis disease in cattle, horses and pigs, as well as sporadic human cases of acute febrile illness. Therefore, diagnosis of VSV infections by reliable laboratory techniques is important to allow a proper case management and implementation of strategies for the containment of virus spread. We show here a sensitive and reproducible real-time reverse transcriptase polymerase chain reaction (RT-PCR) for detection and quantification of VSV. The assay was evaluated with arthropods and serum samples obtained from horses, cattle and patients with acute febrile disease. The real-time RT-PCR amplified the Piry, Carajas, Alagoas and Indiana Vesiculovirus at a melting temperature 81.02 ± 0.8ºC, and the sensitivity of assay was estimated in 10 RNA copies/mL to the Piry Vesiculovirus. The viral genome has been detected in samples of horses and cattle, but not detected in human sera or arthropods. Thus, this assay allows a preliminary differential diagnosis of VSV infections.

https://doi.org/10.1590/0074-02760150456 26770 downloads

Seasonal effects and antifungal activity from bark chemical constituents of Sterculia apetala (Malvaceae) at Pantanal of Miranda, Mato Grosso do Sul, Brazil
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FONTOURA, Fernanda Mussi

; MATIAS, Rosemary

; LUDWIG, Juliane

; OLIVEIRA, Ademir Kleber Morbeck de

; BONO, José Antonio Maior

; MARTINS, Pedro de Figueiredo Rocha Barbosa

; CORSINO, Joaquim

; GUEDES, Neiva Maria Robaldo

Acta Amazonica

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sep 2015, Volume 45 N. 3 Pages 283 - 292

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

No Pantanal Sul, as araras-azuis (Anodorhynchus hyacinthinus), espécie em extinção, escolhem preferencialmente o manduvi (Sterculia apetala) como local de nidificação devido principalmente às características físicas da árvore. Porém, a composição química da madeira também pode interferir nesta seleção. Os objetivos deste trabalho foram determinar as principais classes de substâncias químicas presentes nas cascas de S. apetala em duas épocas do ano e seu potencial antifúngico. As cascas de árvores, com e sem a presença de ninhos de A. hyacinthinus, foram coletadas em janeiro (período de chuvas) e agosto (período de seca) de 2012. Por meio das análises fitoquímicas e quantificação de flavonóides, foram selecionadas amostras de uma árvore com ninho e outra sem ninho para determinar seu potencial antifúngico frente à Trichoderma sp. através da porcentagem de inibição do crescimento micelial (PIC). A investigação fitoquímica do extrato etanólico das cascas revelou a predominância de compostos fenólicos e flavonóides. O teor médio de fenóis totais foi superior para as amostras com ninho, em relação às sem ninho, nos dois períodos de coleta e, para flavonóides, os valores foram superiores em janeiro para a amostra com ninho e em agosto, para sem ninho. As amostras selecionadas apresentaram potencial antifúngico, sendo que com ninho, coletada em agosto (auge do período de reprodução das araras-azuis), resultou em um PIC de 51,3%, valor relacionado aos flavonóides e as cumarinas, fator que pode influenciar o sucesso reprodutivo da arara azul e outras espécies de aves nesta região. Este trabalho foi o primeiro a identificar os componentes químicos da casca do tronco de S. apetala.

In the Southern Pantanal, the hyacinth macaw (Anodorhynchus hyacinthinus), an endangered species, often chooses the manduvi tree (Sterculia apetala) as a nesting site, because of its physical properties. In addition, the chemical composition of the wood may also contribute to a nesting selection by the hyacinth macaws. The objective of this study was to determine the main chemical components of S. apetala bark for two seasons, and evaluate its fungicidal potential. Bark samples from S. apetala trees with and without nests of A. hyacinthinus were collected in January (wet season) and August (dry season) of 2012. The inhibition of mycelium growth (MGI) from tree samples with and without nests were assessed using a phytochemical analysis to evaluate their antifungal activity against Trichoderma sp. Phytochemical analysis confirmed the presence of phenolic compounds and flavonoids. In both seasons, samples obtained from nested trees had higher content of total phenols than those collected from non-nested trees. The average content of total flavonoids was higher in January for samples with nest and in August for samples without nest. All selected samples showed antifungal activity, and those with nest collected in August (peak of hyacinth macaw breeding) resulted in an MGI of 51.3%. Therefore, this percentage, related to the content of flavonoids and the presence of coumarins, may influence the reproductive success of hyacinth macaws and other species of birds, in this region. This is the first chemical study report with the stem bark of S. apetala.

https://doi.org/10.1590/1809-4392201500011 4142 downloads

10.

Update of the Brazilian floristic list of Algae and Cyanobacteria
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Menezes, Mariângela

; Bicudo, Carlos E. M.

; Moura, Carlos W. N.

; Alves, Aigara M.

; Santos, Alana A.

; Pedrini, Alexandre de G.

; Araújo, Andréa

; Tucci, Andrea

; Fajar, Aurelio

; Malone, Camila

; Kano, Cecília H.

; Sant'Anna, Célia L.

; Branco, Ciro Z.

; Odebrecht, Clarisse

; Peres, Cleto K.

; Neuhaus, Emanuel B.

; Eskinazi-Leça, Enide

; Aquino, Eveline

; Nauer, Fabio

; Santos, Gabriel N.

; Amado Filho, Gilberto M.

; Lyra, Goia M.

; Borges, Gyslaine C.P.

; Costa, Iara O.

; Nogueira, Ina de S.

; Oliveira, Ivania B.

; Paula, Joel. C.de

; Nunes, José M. de C.

; Lima, Jucicleide C.

; Santos, Kleber R.S.

; Ferreira, Leandro C.

; Gestinari, Lísia M.S.

; Cardoso, Luciana S.

; Figueiredo, Marcia A.O.

; Silva, Marcos H.

; Barreto, Maria B.B.B.

; Henriques, Maria C.O.

; Cunha, Maria da G.G.S.

; Bandeira-Pedrosa, Maria E.

; Oliveira-Carvalho, Maria F.

; Széchy, Maria T.M.

; Azevedo, Maria T.P.

; Oliveira, Mariana C. de

; Cabezudo, Mariê M.

; Santiago, Marilene F.

; Bergesh, Marli

; Fujii, Mutuê T.

; Bueno, Norma C.

; Necchi Jr., Orlando

; Jesus, Priscila B.

; Bahia, Ricardo G.

; Khader, Samir

; Alves-da-Silva, Sandra M.

; Guimarães, Silvia M.P.B.

; Pereira, Sonia M.B.

; Caires, Taiara A.

; Meurer, Thamis

; Cassano, Valéria

; Werner, Vera R.

; Gama Jr., Watson A. da

; Silva, Weliton J. da

Rodriguésia

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2015, Volume 66 N. 4 Pages 1047 - 1062

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo Apresenta-se uma síntese atualizada de informações sobre algas no Brasil objetivando refinar os dados reunidos até o presente, bem como avaliar os avanços sobre o conhecimento da diversidade de algas no país desde a publicação do Catálogo de Plantas e Fungos do Brasil. Os resultados de 2015 mostraram um acréscimo de 1.250 espécies (35.7%) a um total de 4.747 em relação a 2010. As classes mais diversas em número de espécies foram Bacillariophyceae, Conjugatophyceae, Florideophyceae, Cyanophyceae, Dinophyceae e Euglenophyceae. Bacillariophyceae e Cyanophyceae tiveram o maior acréscimo de espécies no intervalo de cinco anos. A região Sudeste e Sul foram as mais diversas, porém, as regiões Nordeste com os estados do Piauí e Sergipe e Centro-Oeste com os estados de Mato Grosso, Goiás e Distrito Federal destacaram-se no cenário da biodiversidade nacional. Apesar da escassez de taxonomistas e da infraestrutura limitada, os resultados obtidos evidenciaram um avanço significativo no conhecimento da diversidade de algas no país nesse período de cinco anos, iniciando uma mudança quanto as diferenças geográficas regionais.

Abstract An updated synthesis of cyanobacteria and algae information is presented for Brazil aiming to refine the data gathered to date and evaluate the progress of the biodiversity knowledge about these organisms in the country since the publication of the Catálogo de Plantas e Fungos do Brasil. The results of 2015 showed an increase of 1,250 species (35.7%) when compared to 2010, reaching a total of 4,747 species. The most diverse classes in species number were the Bacillariophyceae, Conjugatophyceae, Florideophyceae, Cyanophyceae, Dinophyceae and Euglenophyceae. Bacillariophyceae and Cyanophyceae had the highest increase in species number in the five-year interval. The Southeast and South regions were the most diverse, however, the Northeast, with the states of Piauí and Sergipe, and the Central-west region, with Mato Grosso, Goiás and Distrito Federal, also stood out in the national algal biodiversity scenario. Despite the shortage of taxonomists and limited infrastructure, the results showed a significant improvement in the knowledge regarding the diversity of cyanobacteria and algae in the country during the study period, starting to even out regional geographical differences caused by subsampling.

https://doi.org/10.1590/2175-7860201566408 4865 downloads

11.

Tipos de riesgos percibidos en el proceso de compra de billetes aereos
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Fernandes da Silva Júnior, Guthemberg

; Fossati Figueiredo, Kleber

; Affonso Silva Araujo, Claudia

Estudios y perspectivas en turismo

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feb 2013, Volume 22 N. 1 Pages 47 - 64

Abstract: En Es | Text: En Es | PDF: En | PDF: Es

The Internet has changed the way consumers buy travel products by replacing the conventional agency for websites. However, many customers still perceive risks in shopping over the Internet. Therefore, the aim of this study is to assess whether the perception of different types of risk (financial, social, performance, physical, psychological and loss of time) varies depending on the sales channel used, or along the different stages of purchase. It was conducted an Internet survey, yielding 184 valid questionnaires. The results show that consumers perceive greater financial risk in buying over the Internet and less physical risk and loss of time on that channel when compared with conventional agencies. It was also noted that buyers of airline tickets over the Internet perceive less risk in the early stages of information search and evaluation of alternatives relative to the conventional channel and that this difference does not exist on the stage of the buying decision.

Internet ha cambiado la forma en que los consumidores compran los productos de viajes, mediante la sustitución de las agencias convencionales por los sitios web. Sin embargo, muchos clientes todavía perciben riesgos en las compras realizadas a través de Internet. Así, el objetivo de este estudio es evaluar si la percepción de los diferentes tipos de riesgo (financiero, de desempeño, social, físico, psicológico y pérdida de tiempo) varía en función del canal de venta utilizado, o a lo largo de las diferentes etapas del proceso de compra. Se realizó una encuesta en Internet, generando 184 cuestionarios válidos. Los resultados muestran que los consumidores perciben un mayor riesgo financiero en la compra a través de Internet y un menor riesgo físico y pérdida de tiempo en ese canal a la hora de comprar en las agencias convencionales. Además, se observó que los compradores de billetes de avión a través de Internet perciben un menor riesgo en as etapas de búsqueda de información y evaluación de alternativas en relación con el canal convencional y que esta diferencia no existe en la etapa de la decisión de compra.

850 downloads

12.

Determinantes da satisfação dos clientes com serviços bancários
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Zacharias, Maria Luiza Barcellos

; Figueiredo, Kleber Fossati

; Almeida, Victor Manoel Cunha de

RAE eletrônica

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dec 2008, Volume 7 N. 2

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O objetivo deste artigo é apresentar os resultados de uma pesquisa que procurou investigar o papel de diversos aspectos do serviço na satisfação do cliente de bancos de varejo. Os resultados da pesquisa, realizada com 1.001 clientes de serviços bancários nas cidades do Rio de Janeiro e de São Paulo, mostraram que as práticas de recuperação do serviço adotadas pelos bancos se constituem no fator que mais influencia a satisfação geral do cliente. Outros fatores, como a satisfação com os gerentes, com os produtos e serviços oferecidos e com os caixas eletrônicos, também foram identificados como importantes para os clientes bancários, enquanto a satisfação com o atendimento por telefone e com o atendimento nos caixas não foram considerados significativos.

The objective of this paper is to present the results of a research that tried to investigate the role played by various aspects of retail banking service when it comes to customer satisfaction. The results of the research, which considered 1001 customers of banking services in the cities of Rio de Janeiro and São Paulo, showed that the service recovery practices adopted by the banks constitute the factor with the biggest influence on the customer's general satisfaction. Other factors, like satisfaction with managers, with products and services on offer and with automated teller machines were also identified as important for banking customers, while satisfaction with telephone banking services and with service at the bank counter were not considered significant.

27409 downloads Cited 7 times in SciELO

13.

Extração de macronutrientes pela fitomassa do capim-xaraés "xaraés" em função de doses de nitrogênio e potássio
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Costa, Kátia Aparecida de Pinho

; Araujo, Josinaldo Lopes

; Faquin, Valdemar

; Oliveira, Itamar Pereira de

; Figueiredo, Felipe Campos

; Gomes, Kleber Willian

Ciência Rural

Journal Metrics
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aug 2008, Volume 38 N. 4 Pages 1162 - 1166

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O experimento foi conduzido em casa de vegetação, na Embrapa Arroz e Feijão, com objetivo de avaliar o efeito de doses de N e K na produção de massa seca e extração de macronutrientes pela fitomassa do capim xaraés. O delineamento utilizado foi bloco ao acaso, com esquema fatorial 4 x 4, sendo quatro doses de Nitrogênio: 0; 25, 50 e 100mg dm-3, e quatro doses de Potássio: 0; 25, 50 e 100mg dm-3, com três repetições. Foram realizados três cortes de avaliação da forrageira. Todos os macronutrientes sofreram variações significativas em função das doses de Nitrogênio e Potássio aplicadas. O efeito mais pronunciado sobre a extração dos macronutrientes foi proporcionado pelas doses de Potássio. A ordem decrescente de extração para o capim-xaraés, considerando extração máxima de cada nutriente, foi: N = K > Ca > Mg > P > S. Contudo, sugerem-se estudos dessas variáveis, em condições de campo, de modo a se obter mais informações sobre esse cultivar para que as estratégias de manejo da cultura sejam mais eficientes.

The experiment was carried out in a greenhouse at Embrapa Arroz e Feijão station, with the objective of evaluating the extraction of macronutrients by the phytomass of Brachiaria brizantha cv. 'Xaraés'. The experimental design was randomized blocks in a factorial scheme 4 x 4 (four rates of nitrogen aplication: 0; 25, 50 e 100mg dm-3, and four rates of potassium aplication: 0; 25, 50 e 100mg dm-3), with three repetitions. Three cuttings were performed with 30-day intervals, where the forage plant was cut at a height of 5cm from soil. All the nutrients underwent significant variations as related with the doses of N e K applied. In general, the most marked effect on the extraction of macronutrients was provided by the K rates. The decreasing order of macronutrient extration for capim-Xaraés, considering maximum extration of each nutrient, was: N = K > Ca > P > S. However, one suggests studies of these nutrients, in field conditions, in order to get more information on this forage plant so that the handling strategies one becomes more efficient.

2838 downloads

14.

Segmentação logística: um estudo na relação entre fornecedores e varejistas no Brasil
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Figueiredo, Kleber

; Goldsmid, Ilana Kogan

; Arkader, Rebecca

; Hijjar, Maria Fernanda

Revista de Administração Contemporânea

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dec 2007, Volume 11 N. 4 Pages 11 - 31

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Atualmente, na relação entre indústria e varejo no Brasil, há pressão para que os fornecedores melhorem o serviço ao cliente e reduzam seus custos logísticos. A segmentação logística pode apoiá-los em seus esforços de posicionamento, uma das competências-chave em logística. A segmentação logística por benefícios ajuda os fornecedores a diferenciarem sua oferta, focando os atributos de serviço desejados pelos clientes e reduzindo custos, ao eliminar elementos que estes não valorizam. Este estudo teve por objetivo identificar segmentos de varejistas segundo suas expectativas em relação ao nível de serviço logístico prestado por seus fornecedores e caracterizar os segmentos assim obtidos através de variáveis de fácil acesso, tais como variáveis demográficas e organizacionais. Com base em dados de ampla pesquisa de survey, conduzida junto a varejistas brasileiros, foram identificadas soluções de dois e três segmentos de clientes com base em suas expectativas quanto ao serviço logístico prestado pelos fornecedores. No entanto, não se encontrou suporte suficiente para caracterizá-los segundo variáveis de fácil acesso, o que dificulta na prática sua identificação pelos fornecedores e a adequação de sua oferta de serviços logísticos às necessidades de cada segmento de clientes, bem como uma melhor gestão de seus custos logísticos.

In the present state of retailer-manufacturer relationships in Brazil, suppliers are being pressured to achieve improvements in customer service as well as reduction in logistics costs. In this context, logistics segmentation, one of the key logistics competences, is a valuable tool to support supplier positioning efforts. Benefit-based logistics segmentation helps suppliers to differentiate their offer, by focusing on attributes desired by customers, and to reduce costs, by eliminating elements that are not valued by them. The objective of this study was to identify retailer segments according to expectations concerning the level of logistics service they receive, as well as to characterize them by means of easy-access variables, such as demographic and organizational variables. Using data collected in a comprehensive survey research conducted with Brazilian retailers, both two and three segment solutions were identified based on customer expectations regarding logistics service provided by manufacturers. However, there was insufficient support for the characterization of these segments according to easy-access variables, making it difficult for manufacturers to identify them in practice and to match their offer of logistics services to the needs of each customer segment as well as to achieve better logistics cost management.

26749 downloads

15.

Hospital Mãe de Deus
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Figueiredo, Kleber Fossati

; Araújo, Claudia

Revista de Administração Contemporânea

Journal Metrics
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jun 2003, Volume 7 N. 2 Pages 185 - 209

Abstract: Pt | Text: Pt | PDF: Pt

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