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Abundance of the bat Sturnira lilium (Phyllostomidae) in relation Solanum mauritianum (Solanaceae) diaspores in an Atlantic Forest fragment of southern Brazil Phyllostomidae (Phyllostomidae Solanaceae (Solanaceae
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CORÁ, DENYELLE HENNAYRA
; OLIVEIRA, FERNANDA W.
; LAZZAROTTO, LUAN MARCOS V.
; BIASSI, DAVID L.
; BALDISSERA, RONEI
; OLIVEIRA, ADRIANO D. DE
; GALIANO, DANIEL
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract Frugivore bats are important seed dispersers in forests and their abundance are associated with the presence of zoochoric plants. In this context, the aim of our study was to investigate the association of the frugivore bat S. lilium with the diaspores of the zoochoric plant S. mauritianum, a common arboreal species present in forest fragments of southern Brazil. We also investigated the diet of the species based on seed content present in feces of individuals. Bats were mist-netted from November 2017 to April 2018 in a fragment of Atlantic Forest. The proportion of immature and mature diaspores of S. mauritianum was estimated in the same area where bats were sampled, and feces were sampled from captured individuals. In total, 61 individuals of S. lilium were captured, and 795 seeds were sampled from their feces. The abundance of S. lilium was significantly associated with the proportion of immature diaspores of S. mauritianum. We identified seeds of two botanical families: Solanaceae (89%) and Moraceae (11%) in the fecal samples. Our findings support the view that S. lilium is a legitimate disperser of S. mauritianum, and that its ecological function is probably a result of co-adaptation. plants context S Brazil mistnetted mist netted 201 Forest total 6 79 families 89% 89 (89% 11% 11 (11% samples coadaptation. coadaptation co adaptation. adaptation co-adaptation 20 7 8 (89 1 (11 2 (8 (1 (
2.
Catálogo Taxonômico da Fauna do Brasil: Setting the baseline knowledge on the animal diversity in Brazil Brasil
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Boeger, Walter A.
; Valim, Michel P.
; Zaher, Hussam
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; Simone, Luiz R.L.
; Malabarba, Luiz R.
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; Duarte, Marcelo
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; Nogueira, Marcelo
; Britto, Marcelo R. de
; Melo, Marcelo R.S. de
; Carvalho, Marcelo R. de
; Tavares, Marcelo T.
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; Tavares, Marcos D.S.
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; Santos, Marcus T.T.
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; Sallum, Maria A.M.
; Digiani, María C.
; Santarém, Maria C.A.
; Nascimento, Maria C. do
; Becerril, María de los A.M.
; Santos, Maria E.A. dos
; Passos, Maria I. da S. dos
; Felippe-Bauer, Maria L.
; Cherman, Mariana A.
; Terossi, Mariana
; Bartz, Marie L.C.
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; Perioto, Nelson W.
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; Santos, Paula B. dos
; Araújo, Paula B.
; Silva, Paula K.R.
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; Passos, Paulo G.H.
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; Costa, Paulo M.S.
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; Gnaspini, Pedro
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; Demite, Peterson R.
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; Boll, Piter K.
; Pereira, Rachel M.M.
; Silva, Rafael A.P.F.
; Moura, Rafael B. de
; Boldrini, Rafael
; Silva, Rafaela A. da
; Falaschi, Rafaela L.
; Cordeiro, Ralf T.S.
; Mello, Ramon J.C.L.
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; Gregorin, Renato
; Machado, Renato J.P.
; Bérnils, Renato S.
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; Kawada, Ricardo
; Dias, Ricardo M.
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; Robbins, Robert
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; Ramos, Robson T. da C.
; Cavichioli, Rodney R.
; Barros, Rodolfo C. de
; Caires, Rodrigo A.
; Salvador, Rodrigo B.
; Marques, Rodrigo C.
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; Araujo, Rodrigo de O.
; Dios, Rodrigo de V.P.
; Johnsson, Rodrigo
; Feitosa, Rodrigo M.
; Hutchings, Roger W.
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; Hutchings, Rosa S.G.
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; Oliveira, Sarah S. de
; Costa, Sávio C.
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; Leal, Sebastián A. Muñoz
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; Letana, Sócrates D.
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; Andrade, Sonia C.S.
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; Vaz, Stéphanie
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; Christo, Susete W.
; Cunha, Suzan B.Z.
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; Madeira-Ott, Taís
; Marques, Taísa
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; Lima, Tarcilla C. de
; Sepulveda, Tatiana A.
; Maria, Tatiana F.
; Ruschel, Tatiana P.
; Rodrigues, Thaiana
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; Almeida, Thaís M. de
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; Pacheco, Thaynara L.
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; Polizei, Thiago T.S.
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; Henry, Thomas
; Pikart, Tiago G.
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; Carvalho, Tiago P.
; Lotufo, Tito M. da C.
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; Pardiñas, Ulyses F.J.
; Maia, Valéria C.
; Tavares, Valeria
; Costa, Valmir A.
; Amaral, Vanessa S. do
; Silva, Vera C.
; Wolff, Vera R. dos S.
; Slobodian, Verônica
; Silva, Vinícius B. da
; Espíndola, Vinicius C.
; Costa-Silva, Vinicius da
; Bertaco, Vinicius de A.
; Padula, Vinícius
; Ferreira, Vinicius S.
; Silva, Vitor C.P. da
; Piacentini, Vítor de Q.
; Sandoval-Gómez, Vivian E.
; Trevine, Vivian
; Sousa, Viviane R.
; Sant’Anna, Vivianne B. de
; Mathis, Wayne N.
; Souza, Wesley de O.
; Colombo, Wesley D.
; Tomaszewska, Wioletta
; Wosiacki, Wolmar B.
; Ovando, Ximena M.C.
; Leite, Yuri L.R.
.
ABSTRACT The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian megadiverse fauna is no exception, and the Catálogo Taxonômico da Fauna do Brasil (CTFB) (http://fauna.jbrj.gov.br/), made public in 2015, represents a database on biodiversity anchored on a list of valid and expertly recognized scientific names of animals in Brazil. The CTFB is updated in near real time by a team of more than 800 specialists. By January 1, 2024, the CTFB compiled 133,691 nominal species, with 125,138 that were considered valid. Most of the valid species were arthropods (82.3%, with more than 102,000 species) and chordates (7.69%, with over 11,000 species). These taxa were followed by a cluster composed of Mollusca (3,567 species), Platyhelminthes (2,292 species), Annelida (1,833 species), and Nematoda (1,447 species). All remaining groups had less than 1,000 species reported in Brazil, with Cnidaria (831 species), Porifera (628 species), Rotifera (606 species), and Bryozoa (520 species) representing those with more than 500 species. Analysis of the CTFB database can facilitate and direct efforts towards the discovery of new species in Brazil, but it is also fundamental in providing the best available list of valid nominal species to users, including those in science, health, conservation efforts, and any initiative involving animals. The importance of the CTFB is evidenced by the elevated number of citations in the scientific literature in diverse areas of biology, law, anthropology, education, forensic science, and veterinary science, among others. publications problem uptodate up date classifications context exception (CTFB http//fauna.jbrj.gov.br/, httpfaunajbrjgovbr http //fauna.jbrj.gov.br/ , jbrj gov br (http://fauna.jbrj.gov.br/) 2015 Brazil 80 specialists 1 2024 133691 133 691 133,69 125138 125 138 125,13 82.3%, 823 82 3 (82.3% 102000 102 000 102,00 7.69%, 769 7 69 (7.69% 11000 11 11,00 . 3,567 3567 567 (3,56 2,292 2292 2 292 (2,29 1,833 1833 833 (1,83 1,447 1447 447 (1,44 1000 1,00 831 (83 628 (62 606 (60 520 (52 50 users science health biology law anthropology education others http//fauna.jbrj.gov.br/ faunajbrjgovbr //fauna.jbrj.gov.br (http://fauna.jbrj.gov.br/ 201 8 202 13369 13 133,6 12513 12 125,1 82.3% (82.3 10200 10 00 102,0 7.69% 76 6 (7.69 1100 11,0 3,56 356 56 (3,5 2,29 229 29 (2,2 1,83 183 83 (1,8 1,44 144 44 (1,4 100 1,0 (8 62 (6 60 52 (5 5 http//fauna.jbrj.gov.br (http://fauna.jbrj.gov.br 20 1336 133, 1251 125, 82.3 (82. 1020 0 102, 7.69 (7.6 110 11, 3,5 35 (3, 2,2 22 (2, 1,8 18 (1, 1,4 14 4 ( 82. (82 7.6 (7. 3, (3 2, (2 (1 7. (7
3.
Effect of combining Zingiber officinale and Juglans regia extracts on Propionibacterium acnes, Staphylococcus aureus and Staphylococcus epidermidis: antibiofilm action and low toxicity acnes epidermidis
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SILVA, LEONARDO A. DA
; RAMOS, LUCAS P.
; SILVA, TATIANE A.
; LAPENA, SIMONE A.B. DE
; SANTOS, CARLOS EDUARDO R.
; HASNA, AMJAD A.
; BRESSANE, ADRIANO
; OLIVEIRA, LUCIANE D. DE
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract Objective was evaluated the therapeutic effect of Juglans regia (J) and Zingiber officinale (Z) extracts, alone or associated (Z75% + J25%, Z50% + J50% and Z25% + J75%) applied on planktonic cultures and biofilms of Propionibacterium acnes, Staphylococcus epidermidis and Staphylococcus aureus, as well as analyzing the cytotoxic effects of plant extracts on mouse macrophages (Raw 264-7). Broth microdilution assay was performed (M7-A6 - CLSI). Anti-biofilm activities and cytotoxicity on Raw 264-7 were studied using MTT assay and scanning electron microscopy. ANOVA with post-hoc Tukey HSD applied for parametric data and Kruskal-Wallis with Conover-Iman test, for non-parametric (p<0.05). On P. acnes biofilm, Z50% + J50% reduced 46.9% in 5 min and Z25% + J75% reduced 74.1% in 24hs. On S. aureus, Z75% + J25% reduced 23.1% in 5 min Z25% +J75% reduced 79.4% in 24hs. On S. epidermidis, Z75% + J25% reduced 74.6% in 5 min and 82.05% in 24 h. The treatments on macrophages for 24 h promoted a maximum reduction by 14,5% for groups of extracts associations. On multispecies biofilm, Z75%+J25% reduced 84.3% in 24 h. In conclusion association of glycolic extracts provided therapeutic effect, demonstrated antimicrobial activity and low cytotoxicity. J (J Z (Z Z75 (Z75 J25 Z50 J50 Z25 J75 aureus 2647. 2647 264 7 . 264-7) M7A6 MA M7 A6 M A (M7-A CLSI. CLSI CLSI) Antibiofilm Anti biofilm 264- microscopy posthoc post hoc KruskalWallis Kruskal Wallis ConoverIman Conover Iman test nonparametric non p<0.05. p005 p p<0.05 0 05 (p<0.05) P 469 46 9 46.9 741 74 1 74.1 24hs hs S 231 23 23.1 +J75 794 79 4 79.4 746 6 74.6 8205 82 82.05 2 145 14 14,5 associations Z75J25 ZJ Z75%+J25 843 84 3 84.3 Z7 (Z7 J2 Z5 J5 Z2 J7 26 M7A p00 p<0.0 (p<0.05 46. 74. 23. +J7 79. 820 8 82.0 14, Z75J2 Z75%+J2 84. p0 p<0. (p<0.0 +J 82. Z75J Z75%+J p<0 (p<0. p< (p<0 (p< (p
4.
Milonine attenuates the lipopolysaccharide-induced acute lung injury in mice by modulating the Akt/NF-κB signaling pathways
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BERNARDO, LARISSA R.
; FERREIRA, LAÉRCIA KARLA D.P.
; FERREIRA, LARISSA A.M.P.
; VIEIRA, COSMO ISAÍAS D.
; OLIVEIRA, JOÃO BATISTA DE
; LIMA, LOUISE M. DE
; ALVES, ADRIANO FRANCISCO
; ARAÚJO, RUBENS S.
; MAIA, MAYARA S.
; SCOTTI, MARCUS T.
; BARBOSA FILHO, JOSÉ MARIA
; PIUVEZAM, MARCIA REGINA
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract Acute lung injury is an inflammation that triggers acute respiratory distress syndrome with perialveolar neutrophil infiltration, alveolar-capillary barrier damage, and lung edema. Activation of the toll-like receptor 4 complex (TLR4/MD2) and its downstream signaling pathways are responsible for the cytokine storm and cause alveolar damage. Due to the complexity of this pulmonary inflammation, a defined pharmacotherapy has not been established. Thus, this study evaluated the anti-inflammatory potential of milonine, an alkaloid of Cissampelos sympodialis Eichl, in an experimental model of lung inflammation. BALB/c mice were lipopolysaccharide-challenged and treated with milonine at 2.0 mg/kg. Twenty-four hours later, the bronchoalveolar fluid, peripheral blood, and lungs were collected for cellular and molecular analysis. The milonine treatment decreased the cell migration (mainly neutrophils) to the alveoli, the pulmonary edema, and the cytokine levels (IL-1β, IL-6, TNF-α). The systemic IL-6 level was also reduced. The milonine docking analysis demonstrated hydrophobic interaction at TLR4/MD2 groove with Ile124 and Phe126 amino acids. Indeed, the alkaloid downregulated the kinase-Akt and NF-κB through TLR4/MD2. Therefore, milonine is an effective inflammatory modulator being a potential molecule for the treatment of lung inflammation.
5.
Development and Validation of a Gas Chromatographic Method for the Quantification of Minor Alkaloids in Cocaine
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Maldaner, Adriano O.
; Zacca, Jorge J.
; Botelho, Élvio D.
; Silva, Dina R.
; Oliveira, Fillipe H.
.
Journal of the Brazilian Chemical Society
- Métricas do periódico
The quantification of minor alkaloids in seized cocaine can provide information for drug profiling and law enforcement initiatives. This work presents the development and validation of an analytical method to quantitate minor alkaloids in cocaine samples using gas chromatography with flame ionization detector, after derivatization. The method was validated in accordance with the ISO/IEC 17.025:2017 requirements. The calibration was linear (determination coefficient (R2) ≥ 0.998), ranging from 1.0 to 3,500 mg L-1 for all target analytes with suitable selectivity and precision (relative standard deviation lower than 10%). The method showed stability and robustness with respect to analytical parameter variations and presented good accuracy (recovery ranging from 90 to 108%). The method was considered adequate to routine forensic analysis in simultaneous quantification of anhydroecgonine methyl ester, anhydroecgonine, methylecgonine, tropacocaine, norcocaine, N-formylcocaine, trimethoxycocaine, ecgonine, benzoylecgonine, trans- and cis-cinnamoylcocaine. Eleven cocaine samples seized in different Brazilian regions were analyzed and their relative amounts of tropacocaine and trimethoxycocaine with respect to cocaine indicate both the possible varieties of coca leaf used for cocaine production and the likely origin of drug samples (Bolivia/Peru or Colombia). The contents of other minor alkaloids depict aspects of sample history such as purification by oxidation, hydrolysis and dehydration by thermal processes.
https://doi.org/10.21577/0103-5053.20200233
234 downloads
6.
The effects of cataract surgery on autonomic heart rate control: a prospective cross-sectional and analytical study
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Aoki, Ricardo H.
; Bezerra, Italla Maria Pinheiro
; Almeida-Júnior, Alvaro Dantas de
; Barbosa, Renata Thaís de A.
; Valenti, Vitor E.
; Oliveira, Fernando R.
; Roque, Adriano L.
; Ferraz e Souza Júnior, Hugo Macedo
; Garner, David M.
; Raimundo, Rodrigo D.
; Abreu, Luiz Carlos de
.
OBJECTIVES: We aimed to evaluate the effects of cataract surgery on cardiac autonomic modulation. METHODS: A cross-sectional and analytical study was conducted at the Hospital Maria Braido in the city of São Caetano do Sul, São Paulo, between 2015 and 2016. We investigated 19 patients of both sexes who were all over 50 years old; all patients had a diagnosis of senile or bilateral cataracts and were recommended to undergo implantation of the intraocular lens. Heart rate variability (HRV) was evaluated before, during and after cataract surgery. RESULTS: There were no significant changes in the time and geometric domains of HRV before, during or after surgery. The high-frequency (HF) band in normalized units (nu) on the spectral analysis significantly increased (p=0.02, Cohen’s d=0.9, large effect size). However, the low-frequency (LF) band in nu significantly decreased during surgery (p=0.02, Cohen’s d=0.9, large effect size). CONCLUSION: Throughout the intraocular lens implantation cataract surgery, there was an increase in parasympathetic modulation and a decrease in the sympathetic component of the heart rate (HR). We propose that this result is attributable to the supine position of the patients during surgery and the trigeminal reflex.
https://doi.org/10.6061/clinics/2019/e809
715 downloads
7.
Brazilian legislation on genetic heritage harms Biodiversity Convention goals and threatens basic biology research and education
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ALVES, RUY JOSÉ V.
; WEKSLER, MARCELO
; OLIVEIRA, JOÃO A.
; BUCKUP, PAULO A.
; POMBAL JR., JOSÉ P.
; SANTANA, HÉLCIO R.G.
; PERACCHI, ADRIANO LÚCIO
; KELLNER, ALEXANDER W.A.
; ALEIXO, ALEXANDRE
; LANGGUTH, ALFREDO
; ALMEIDA, ALZIRA MARIA P. DE
; ALBERNAZ, ANA LUISA
; RIBAS, CAMILA C.
; ZILBERBERG, CARLA
; GRELLE, CARLOS EDUARDO V.
; ROCHA, CARLOS F.D.
; LAMAS, CARLOS JOSÉ E.
; HADDAD, CÉLIO F.B.
; BONVICINO, CIBELE R.
; PRADO, CYNTHIA P.A.
; LIMA, DANIELA O. DE
; ROSSA-FERES, DENISE C.
; SANTOS, FABRÍCIO R. DOS
; SALIMENA, FÁTIMA REGINA G.
; PERINI, FERNANDO A.
; BOCKMANN, FLÁVIO A.
; FRANCO, FRANCISCO LUÍS
; GIUDICE, GISELE M.L. DEL
; COLLI, GUARINO R.
; VIEIRA, IMA CÉLIA G.
; MARINHO-FILHO, JADER
; WERNECK, JANE M.C.F.
; SANTOS, JORGE A.D. DOS
; NASCIMENTO, JORGE LUIZ DO
; NESSIMIAN, JORGE LUIZ
; CORDEIRO, JOSÉ LUIS P.
; CLARO, KLEBER DEL
; SALLES, LEANDRO O.
; CASATTI, LILIAN
; PY-DANIEL, LUCIA HELENA R.
; SILVEIRA, LUÍS FÁBIO
; TOLEDO, LUÍS FELIPE
; OLIVEIRA, LUIZ F. DE
; MALABARBA, LUIZ ROBERTO
; SILVA, MARCELO D. DA
; COURI, MÁRCIA S.
; MARTINS, MÁRCIO
; TAVARES, MARCOS D.S.
; SOBRAL, MARCOS EDUARDO G.
; VIEIRA, MARCUS VINÍCIUS
; OLIVEIRA, MARIA DE LOURDES A.
; PINNA, MÁRIO DE
; HOPKINS, MICHAEL J.G.
; SOLÉ, MIRCO
; MENEZES, NAÉRCIO A.
; PASSOS, PAULO
; D’ANDREA, PAULO SERGIO
; PINTO, PEDRO C.E.A.
; VIANA, PEDRO L.
; TOLEDO, PETER M.
; REIS, ROBERTO E.
; VILELA, ROBERTO
; BASTOS, ROGÉRIO P.
; COLLEVATTI, ROSANE G.
; CERQUEIRA, RUI
; CASTROVIEJO-FISHER, SANTIAGO
; CARAMASCHI, ULISSES
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
https://doi.org/10.1590/0001-3765201820180460
7311 downloads
8.
Chemical Profiling of Street Cocaine from Different Brazilian Regions
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Maldaner, Adriano O.
; Botelho, Élvio D.
; Zacca, Jorge J.
; Melo, Raimundo C. A.
; Costa, José L.
; Zancanaro, Ivomar
; Oliveira, Celinalva S. L.
; Kasakoff, Leonardo B.
; Paixão, Thiago R. L. C.
.
Journal of the Brazilian Chemical Society
- Métricas do periódico
This work describes results of chemical profiling by gas chromatography with flame ionization detector (GC-FID) of the main components (purity, oxidation level, and cutting agents) in 642 street cocaine samples seized in five different Brazilian States between 2011 and 2014. The analysis revealed the presence of cocaine with mean content of 49.8%. Freebase samples showed cocaine average content of 66.0%, whereas hydrochloride and not determined (n.d.) present cocaine content of 44.5% and 11.8%, respectively. Cocaine base samples show moderately (16%) to not oxidized (81%) levels, whereas cocaine hydrochloride samples exhibit moderate (37%) to high (22%) oxidation degrees. Approximately 34% of all the analyzed samples did not have any adulterant identified. Base cocaine samples are even less adulterated (42% uncut) with phenacetin being present in 53% (average content of 15%). Caffeine and lidocaine were mostly found in hydrochloride samples, while the n.d. samples show a combination of either phenacetin or a caffeine/lidocaine mixture. A mass balance approach is presented and seizures information can be combined to deliver intelligence and statistical analysis that might contribute to the understanding of street cocaine composition scenario. A total of 269 samples were characterized as crack cocaine showing phenacetin as the main adulterant and presenting an average cocaine content of 68.3%.
https://doi.org/10.5935/0103-5053.20150321
5089 downloads
9.
II Diretriz de Ressonância Magnética e Tomografia Computadorizada Cardiovascular da Sociedade Brasileira de Cardiologia e do Colégio Brasileiro de Radiologia
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Sara, Leonardo
; Szarf, Gilberto
; Tachibana, Adriano
; Shiozaki, Afonso Akio
; Villa, Alexandre Volney
; Oliveira, Amarino Carvalho de
; Albuquerque, Andrei Skromov de
; Rochitte, Carlos Eduardo
; Nomura, César Higa
; Azevedo, Clerio Francisco
; Jasinowodolinski, Dany
; Tassi, Eduardo Marinho
; Medeiros, Fabio de Morais
; Kay, Fernando Uliana
; Junqueira, Flávia Pegado
; Azevedo, Guilherme S. A.
; Monte, Guilherme Urpia
; Pinto, Ibraim Masciarelli Francisco
; Gottlieb, Ilan
; Andrade, Joalbo
; Lima, João A. C.
; Parga Filho, José Rodrigues
; Kelendjian, Juliana
; Fernandes, Juliano Lara
; Iquizli, Leonardo
; Correia, Luis C. L.
; Quaglia, Luiz Augusto
; Gonçalves, Luiz Flavio Galvão
; Ávila, Luiz Francisco
; Zapparoli, Marcello
; Hadlich, Marcelo
; Nacif, Marcelo Souto
; Barbosa, Márcia de Melo
; Minami, Márcio Hiroshi
; Bittencourt, Marcio Sommer
; Siqueira, Maria Helena Albernaz
; Silva, Marly Conceição
; Lopes, Marly Maria Uellendahl
; Marques, Mateus Diniz
; Vieira, Mônica La Rocca
; Coellho Filho, Otávio Rizzi
; Schvartzman, Paulo R.
; Santos, Raul D.
; Cury, Ricardo C.
; Loureiro, Ricardo
; Cury, Roberto Caldeira
; Sasdelli Neto, Roberto
; Macedo, Robson
; Cerci, Rodrigo Julio
; Faria Filho, Rui Alberto de
; Cardoso, Sávio
; Naves, Thiago
; Magalhães, Tiago Augusto
; Senra, Tiago
; Burgos, Ursula Maria Moreira Costa
; Moreira, Valéria de Melo
; Ishikawa, Walther Yoshiharu
.
https://doi.org/10.5935/abc.2014S006
67586 downloads
10.
Evaluation of wood volume in young eucalyptus trees with and without irrigation
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Lopes, Adriano da S.
; Folegatti, Marcos V.
; Oliveira, Gabriel Q. de
; Fanaya Júnior, Eder D.
; Belchior, Isabela B.
; Brito, Kelvin R. M.
.
Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
Na maioria das vezes, o manejo da irrigação tem sido realizado sem critérios e ainda são escassos os estudos em relação ao desenvolvimento de eucalipto irrigado em campo. O objetivo deste trabalho foi avaliar equações de volume de madeira com base no diâmetro do caule de dois híbridos de eucalipto em desenvolvimento inicial, sob irrigação e sem irrigação. O experimento foi instalado em Aquidauana, MS, no período de abril de 2011 a março de 2012, com os híbridos de eucalipto Eucalyptus grandis x Eucalyptus camaldulensis (Grancam) and Eucalyptus urophylla x Eucalyptus grandis (Urograndis), irrigados por gotejamento, microaspersão e também testemunha sem irrigação. As avaliações foram realizadas durante o primeiro ano de desenvolvimento da cultura quando foram testados cinco modelos matemáticos para estimativa de volume de madeira (Berkhout; Koperzik e Gehrhardt; Exponencial; Brenac; Hohenald e Krenn). Os melhores modelos de estimativa do volume de madeira de plantas jovens são os de Brenac, Exponencial e Holhenald e Krenn. A equação de Brenac apresenta maior precisão para estimar o volume de madeira em função do diâmetro a 5 cm de altura do solo com precisão acima de 99% para as plantas até 12 meses de idade, independente do uso da irrigação.
Irrigation management has mostly been performed without criteria and, studies in relation to field-irrigated eucalyptus development are scarce. The aim of this study was to evaluate wood volume equations based on stem (trunk) diameter of two eucalyptus hybrids in initial development, with and without irrigation. The experiment was set up in Aquidauana, State of Mato Grosso do Sul, Brazil, from April, 2011 to March, 2012, with the eucalyptus hybrids, Eucalyptus grandis x Eucalyptus camaldulensis (Grancam) and Eucalyptus urophylla x Eucalyptus grandis (Urograndis). Evaluations were performed during the first year of crop development in which five mathematical models were tested for estimation of wood volume (Berkhout; Koperzik & Gehrhardt; Exponential; Brenac; Hohenald & Krenn). The best models for estimation of wood volume of young plants are Brenac, Exponential and Hohenald & Krenn. The Brenac equation shows highest precision for estimating wood volume as a function of diameter at 5 cm height from the ground, with precision greater than 99% for plants up to 12 months of age, regardless of the use of irrigation.
https://doi.org/10.1590/1807-1929/agriambi.v18n10p1079-1085
1770 downloads
11.
Efeito do número de adultos de Trichogramma galloi Zucchi, 1988 (Hymenoptera: Trichogrammatidae) liberados em semanas sucessivas, para o controle de Diatraea saccharalis (Fabricius, 1794) (Lepidoptera: Crambidae)
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Broglio-Micheletti, Sônia Maria Forti
; Pereira-Barros, Josean Leite
; Santos, Adriano Jorge Nunes dos
; Carvalho, Lucyo Wagner Torres de
; Carvalho, Luiz Henrique Torres de
; Oliveira, Carlos José Tavares de
.
Neste trabalho, estudou-se o efeito do número de adultos de Trichogramma galloi Zucchi, 1988 liberados em semanas sucessivas, para o controle de Diatraea saccharalis (Fabricius, 1794). O experimento foi conduzido em março de 2003, com a cultivar SP 79-1011, de quatro meses de idade. Adotou-se o delineamento experimental inteiramente casualizado. Foram demarcadas quatro subáreas de 400 m² cada (20 m x 20 m), eqüidistantes 20 m. Cada parcela foi infestada artificialmente uma vez por semana com 20 casais de D. saccharalis (dois casais por gaiola, correspondendo a dez repetições por tratamento). Cada repetição correspondeu aos diferentes pontos de infestação. Repetiu-se esse procedimento por três semanas consecutivas, obtendo-se as posturas. Liberou-se T. galloi nas primeiras 24 horas após a infestação, no centro de cada uma das subáreas, nas seguintes quantidades (tratamentos): a- ausência de liberação (testemunha); b- 4.000 adultos (100.000 T. galloi/ha); c- 8.000 adultos (200.000 T. galloi/ha) e 10.000 adultos (250.000 T. galloi/ha). Com este trabalho ficou evidenciado que as liberações realizadas em áreas infestadas com ovos de D. saccharalis, em três semanas consecutivas, proporcionaram níveis elevados de parasitismoe que as melhores taxas de liberação de T. galloi para o controle de D. saccharalis, ficaram entre 150.000 e 175.000 parasitóides/ha.
This research aimed to study the effect of Trichogramma galloi Zucchi, 1988 adults released by successive weeks, on the control of Diatraea saccharalis (Fabricius, 1794). The experiment was carried out on a sugarcane cultivar SP 79-1011, four months-old. An experimental design entirely randomized was adopted. The experiments were conducted in four subareas of 400 m² (20 m x 20 m) separated by 20 m from each other. The experimental plots were artificially infested with twenty D. saccharalis couples once a week (two couples for cage, corresponding a ten repetition per treatment). T. galloi adults were released weekly, in the first 24 hour after infestation, in the center of each one of the subareas, as follows: a- Control (no release); b- 4,000 adults (100,000 T. galloi/hectare); c- 8,000 adults (200,000 T. galloi/hectare); d- 10,000 adults (250,000 T. galloi/hectare). The results evidenced that the amount of parasitoids released in consecutive weeks at areas infested with eggs of D. saccharalis may still maintain high levels of parasitism. The best release rates of T. galloi were between 150,000 and 175,000 parasitoids adults per hectare per week.
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Citado 1 vez em SciELO
12.
Aspectos biológicos de Trichogramma galloi Zucchi, 1988 (Hymenoptera: Trichogrammatidae) criados em ovos de Diatraea saccharalis (Fabricius, 1794) (Lepidoptera: Crambidae)
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Pereira-Barros, Josean Leite
; Broglio-Micheletti, Sônia Maria Forti
; Santos, Adriano Jorge Nunes dos
; Carvalho, Lucyo Wagner Torres de
; Carvalho, Luiz Henrique Torres de
; Oliveira, Carlos José Tavares de
.
Alguns aspectos biológicos de Trichogramma galloi Zucchi, 1988 (Hymenoptera: Trichogrammatidae) criados em ovos de Diatraea saccharalis (Fabricius, 1794) (Lepidoptera: Crambidae), foram estudados em laboratório a 26±2ºC; UR 60±10% e fotofase de 12 horas. Os resultados obtidos mostraram um período médio de desenvolvimento pré-imaginal de 9,46±0,7 dias e uma viabilidade média de 78,05%. O número médio de T. galloi emergido por ovo do hospedeiro foi de 2,29. Nas criações em laboratório, as fêmeas de T. galloi foram predominantes. A longevidade de machos e fêmeas foi, em média 3,26±0,12 dias (sem alimento) e 6,36±0,19 dias (alimentando-se com mel). Os ovos de D. saccharalis de primeiro dia apresentaram parasitismo médio de 79,3±5,25% e os de segundo dia 55,2±2,33%.
Some biological aspects of the parasitoid Trichogramma galloi Zucchi, 1988 (Hymenoptera: Trichogrammatidae) reared on eggs of Diatraea saccharalis (Fabricius, 1794) (Lepidoptera: Crambidae) were studied in the laboratory, at 26ºC, UR 60±10% and 12 hours photophase. The studies showed a life cycle, from egg to adult, of 9.46±0.7 days and a survival rate of 78.05%. The mean number of T. galloi emerged by egg of sugar cane borer was of 2.29. Females were predominant in the laboratory rearing and the longevity of males and females was, on the average, 3.26±0.12 days (without feeding) and 6.36±0.19 days (feeding with honey). The parasitism was between 79.3±5.25% and 55.2±2.33%, in eggs of first and second days, respectively.
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