45 research outputs found
Model for tumour growth with treatment by continuous and pulsed chemotherapy
Peer reviewedPreprin
Restructuring of the "Macaronesia" biogeografic unit: a marine multi-taxon biogeographical approach
The Azores, Madeira, Selvagens, Canary Islands and Cabo Verde are commonly united under the term
“Macaronesia”. This study investigates the coherency and validity of Macaronesia as a biogeographic
unit using six marine groups with very different dispersal abilities: coastal fishes, echinoderms,
gastropod molluscs, brachyuran decapod crustaceans, polychaete annelids, and macroalgae. We found
no support for the current concept of Macaronesia as a coherent marine biogeographic unit. All marine
groups studied suggest the exclusion of Cabo Verde from the remaining Macaronesian archipelagos and thus, Cabo Verde should be given the status of a biogeographic subprovince within the West African
Transition province. We propose to redefine the Lusitanian biogeographical province, in which we
include four ecoregions: the South European Atlantic Shelf, the Saharan Upwelling, the Azores, and a
new ecoregion herein named Webbnesia, which comprises the archipelagos of Madeira, Selvagens and
the Canary Islandsinfo:eu-repo/semantics/publishedVersio
Briófitas corticícolas de mata ciliar ao longo do Rio Uruguai, antes do alagamento da área pela Barragem de Itá, entre Santa Catarina e Rio Grande do Sul, Brasil
Multiethnic meta-analysis identifies ancestry-specific and cross-ancestry loci for pulmonary function
Nearly 100 loci have been identified for pulmonary function, almost exclusively in studies of European ancestry populations. We extend previous research by meta-analyzing genome-wide association studies of 1000 Genomes imputed variants in relation to pulmonary function in a multiethnic population of 90,715 individuals of European (N = 60,552), African (N = 8429), Asian (N = 9959), and Hispanic/Latino (N = 11,775) ethnicities. We identify over 50 additional loci at genome-wide significance in ancestry-specific or multiethnic meta-analyses. Using recent fine-mapping methods incorporating functional annotation, gene expression, and differences in linkage disequilibrium between ethnicities, we further shed light on potential causal variants and genes at known and newly identified loci. Several of the novel genes encode proteins with predicted or established drug targets, including KCNK2 and CDK12. Our study highlights the utility of multiethnic and integrative genomics approaches to extend existing knowledge of the genetics of l
Níveis de lisina digestível com dois balanços eletrolíticos para pintos de corte na fase inicial, de 1 a 21 dias de idade
Design and construction of the MicroBooNE detector
This paper describes the design and construction of the MicroBooNE liquid
argon time projection chamber and associated systems. MicroBooNE is the first
phase of the Short Baseline Neutrino program, located at Fermilab, and will
utilize the capabilities of liquid argon detectors to examine a rich assortment
of physics topics. In this document details of design specifications, assembly
procedures, and acceptance tests are reported
Morcegos (Chiroptera) capturados em lagoas do Parque Nacional da Restinga de Jurubatiba, Rio de Janeiro, Brasil
Febre catarral maligna em bovinos no Rio Grande do Sul: epidemiologia, sinais clínicos e patologia
Efeito da amonização com uréia sobre os parâmetros de qualidade do feno do capim-Annoni 2 (Eragrostis plana Nees)
Helium identification with LHCb
The identification of helium nuclei at LHCb is achieved using a method based on measurements of ionisation losses in the silicon sensors and timing measurements in the Outer Tracker drift tubes. The background from photon conversions is reduced using the RICH detectors and an isolation requirement. The method is developed using pp collision data at √(s) = 13 TeV recorded by the LHCb experiment in the years 2016 to 2018, corresponding to an integrated luminosity of 5.5 fb-1. A total of around 105 helium and antihelium candidates are identified with negligible background contamination. The helium identification efficiency is estimated to be approximately 50% with a corresponding background rejection rate of up to O(10^12). These results demonstrate the feasibility of a rich programme of measurements of QCD and astrophysics interest involving light nuclei