Results 91 to 100 of about 53,709 (310)

Portulaca abscondita (Portulacaceae, Caryophyllales), a new microendemic species from Monte Azul, Minas Gerais, Brazil

Nordic Journal of Botany, EarlyView.
Portulaca (Portulacaceae) is a cosmopolitan genus with centers of diversity in Africa and South America. In Brazil, 22 species are recognized, most occurring in xerophytic environments of the Cerrado, particularly in Campos Rupestres. These rocky montane habitats, especially in northern Minas Gerais state, remain undercollected despite their high ...
Danilo Alvarenga Zavatin, Renato Ramos, Jefferson Prado, Angélica Quintanar Castillo, Maria Guadalupe Carvalho Fernandes, Daniela Boanares, José Roberto Ferraz, Thaíla Vieira Alves dos Santos   +7 more
wiley   +1 more source

DISTRIBUTION OF URANIUM IN SOIL PROFILES OF BAHIA STATE, BRAZIL

Soil Science, 1979
In the present work we study five soil profiles and explain the measured uranium concentrations on the basis of an isovolumetric reasoning. The results show that, despite an important loss of uranium to the outgoing solutions when the parent rock is transformed into alterite and soil, the relative concentration in the residual soil increases.
Moreira-Nordemann, L.M., /Sieffermann, Gaston   +1 more
openaire   +2 more sources

Two new species of Calea ser. Multiplinerviae (Asteraceae: Neurolaeneae) from Brazil

Nordic Journal of Botany, EarlyView.
Detailed studies of specimens from Rondônia and Mato Grosso do Sul showed that two new species have been misidentified: Calea micropappa resembles Calea pilosa, but differs by leaf apex obtuse to acuminate (versus acute), paleae present (versus paleae absent), disc corolla lobes 1.2–1.3 mm long (versus 0.7–0.8 mm), and pappus scales 0.1–0.25 mm long ...
Vinícius Resende Bueno, Maria Luiza Campos Almeida, Jimi Naoki Nakajima   +2 more
wiley   +1 more source

Innovation in advanced energy: Towards a mission-oriented agenda for second-generation (2G) ethanol in Brazil

, 2019
The proportion of total primary energy supply generated from renewable sources has been increasing since the 1990s. While many have sought to incentivize the consumption of energy from renewable sources, several countries have enacted policies and ...
Nogueira, Luiz Horta [UNESP], Gradin, Bernardo   +1 more
core   +1 more source

Eriope barrinhae (Lamiaceae, Hyptidinae), a new montane species from northern Minas Gerais, Brazil

Nordic Journal of Botany, EarlyView.
In northern Minas Gerais, in the Monte Azul region, the Pico da Formosa mountain remains poorly explored botanically despite recent discoveries of new taxa. During fieldwork at the summit of this mountain, we discovered a distinctive population of Eriope that differs from all known species by a unique combination of morphological characters.
Danilo Alvarenga Zavatin, Luísa Azevedo, Renato Ramos, Jefferson Prado, Arthur de Souza Soares   +4 more
wiley   +1 more source

The disruption of seed dispersal networks: disentangling the effects of habitat loss and fragmentation

Oikos, EarlyView.
Seed dispersal by frugivores is a central process linking plant reproduction, animal foraging, population persistence, and ecosystem resilience. Currently, the spatial template sustaining these interactions is rapidly reconfigured by habitat loss and fragmentation promoted by human activity.
Eliana Cazetta, Paulo R. Guimarães Jr
wiley   +1 more source

Genetic Basis of the Negative Response to the Use of Triptans for the Treatment of Migraine—A Systematic Review and Meta‐Analysis

Brain and Behavior
Introduction Migraine is a widespread and disabling neurological disorder, and triptans are a primary treatment for acute episodes. However, around 40% of patients are non‐responsive.
Victoria Gomes Andreata, Ruan Pablo Duarte Freitas, Jéssica da Silva Nascimento, Patrícia Sodré Araújo, Felipe Eustáquio dos Santos Guedes, João Vítor Benjamim Pires, Narel Moita Carneiro Nogueira Falcão, Natasha da Silva Leitão, Alcylene Carla de Jesus dos Santos, Ana Patrícia Pascoal Queiroz, Astria Ferrão Dias Gonzales, Maica Matos Leão, Emília Katiane Embiruçu de Araújo Leão, Juliana Côrtes Freitas, Acássia Benjamim Leal Pires   +14 more
doaj   +1 more source

Comparison of Different Neostigmine Doses for Reversal of Cisatracurium‐Induced Neuromuscular Block in Children Under Total Intravenous Anesthesia: A Randomized Controlled Trial

Pediatric Anesthesia, EarlyView.
ABSTRACT Background Neostigmine is widely used to reverse nondepolarizing neuromuscular blockade in children, but the optimal dose under total intravenous anesthesia is uncertain. Aims The primary aim was to compare the time to full neuromuscular recovery (TOF ratio of 1.0) following administration of neostigmine at doses of 0, 10, 20, and 30 μg/kg in ...
Antonio J. M. M. Neto, Guilherme L. Benette, Letícia C. Siqueira, Marian M. Santos, Marco A. P. Costa, Rodrigo L. Alves, Eduardo T. Moro, Norma S. P. Módolo   +7 more
wiley   +1 more source

Transplantation of Stem Cells Obtained from Murine Dental Pulp Improves Pancreatic Damage, Renal Function, and Painful Diabetic Neuropathy in Diabetic Type 1 Mouse Model

Cell Transplantation, 2013
Diabetes mellitus (DM) is one of the most common and serious chronic diseases in the world. Here, we investigated the effects of mouse dental pulp stem cell (mDPSC) transplantation in a streptozotocin (STZ)-induced diabetes type 1 model.
Elisalva Teixeira Guimarães, Gabriela Da Silva Cruz, Tiago Farias De Almeida, Bruno Solano De Freitas Souza, Carla Martins Kaneto, Juliana Fraga Vasconcelos, Washington Luis Conrado Dos Santos, Ricardo Ribeiro-Dos-Santos, Cristiane Flora Villarreal, Milena Botelho Pereira Soares   +9 more
doaj   +1 more source

Two new species of Stylosanthes Sw. (Leguminosae-Papilionoideae) endemic to Bahia State, Brazil

, 2020
Two new species of Stylosanthes Sw. (Leguminosae), S. minima and S. mitzii, endemic to central-southern Bahia State, in northeastern Brazil, are described and illustrated. The species differ from each other principally by the length of the fruit rostrum,
Silva, Juliana Santos, Da Silva Ferreira, Jamile Jorge, Fortuna Perez, Ana Paula [UNESP], Gissi, Danilo Soares [UNESP]   +3 more
core   +1 more source