Browsing Biological Sciences by Title
Now showing items 1611-1630 of 3025
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Is evolution faster at ecotones? A test using rates and tempo of diet transitions in Neotropical Sigmodontinae (Rodentia, Cricetidae)
(2021) [Journal article]We evaluated whether evolution is faster at ecotones as niche shifts may be needed to persist under unstable environment. We mapped diet evolution along the evolutionary history of 350 sigmodontine species. Mapping was ... -
Is intrauterine exposure to acetaminophen associated with emotional and hyperactivity problems during childhood? : findings from the 2004 Pelotas birth cohort
(2018) [Journal article]Background: Longitudinal studies have consistently reported that prenatal exposure to acetaminophen can to lead to an increased risk of attention deficit-hyperactivity disorder during childhood. This study aimed to investigate ... -
Is it necessary to perform occupational audiometric testing at 6-months of employment?
(2022) [Journal article]Introduction: Current Brazilian legislation requires that all workers exposed to noise are to be given an audiogram upon hiring, after 6 months of employment (first periodic test), and annually after the first periodic ... -
Isoenzymatic polymorphisms in urban populations of Drosophila willistoni
(2001) [Journal article]Natural populations of Drosophila willistoni collected both in urban sites and in the wild, as control, were analysed with respect to their isoenzyme polymorphisms in six loci of enzyme systems, through horizontal ... -
Isoenzyme variation in the leaf-cutting ants Acromyrmex heyeri and Acromyrmex striatus (Hymenoptera: formicidae)
(2002) [Journal article]This is the first study of isoenzyme variability in the leaf-cutting ants (Myrmicinae, Attini) Acromyrmex heyeri (Forel, 1899) and A. striatus (Roger, 1863) which are common throughout the southern Brazilian state of Rio ... -
Isoflurane and the analgesic effect of acupuncture and electroacupuncture in an animal model of neuropathic pain
(2018) [Journal article]The present study aimed to determine whether isoflurane interferes with the analgesic effects of acupuncture (Ac) and electroacupuncture (EA), using a neuropathic pain (NP) rat model. In total, 140 male Wistar rats were ... -
Isolamento do vírus Parainfluenza bovino tipo 3 no Rio Grande do Sul, Brasil : relato de caso
(2003) [Journal article]É descrito o isolamento do vírus Parainfluenza bovino tipo 3 (bPI-3) a partir de secreções nasais coletadas de um bovino com infecção respiratória. A identificação do agente foi realizada através de isolamento em cultivo ... -
Isolamento e identificação de amebas de vida livre potencialmente patogênicas em amostras de ambientes de hospital público da cidade de Porto Alegre-RS
(2007) [Journal article]Um estudo sobre a presença de amebas de vida livre em um hospital público foi desenvolvido na Cidade de Porto Alegre, RS. Poeira e biofilmes de 15 ambientes hospitalares, incluindo CTI, UTI pediátrica, cozinha, emergência, ... -
Isolamento e seleção de micro-organismos resistentes e capazes de volatilizar mercúrio
(2011) [Journal article]Mercury (Hg) occurs in the environment as a natural and anthropogenic element, and through the years the accumulation of mercury has affected the integrity of ecosystems and human health. This study presents a screening ... -
Isolated soy protein-based diet ameliorates glycemia and antioxidants enzyme activities in streptozotocin-induced diabetes
(2014) [Journal article]The objective of this study was to evaluate the changes induced by isolated soy protein (ISP)-based diet on glycemia and oxidative stress biomarkers in diabetic rats. Fifteen male Wistar rats (35 ± 4 g, aged 21 days) were ... -
Isolation and characterization of mesenchymal stem/stromal cells from Ctenomys minutus
(2018) [Journal article]Mesenchymal stem/stromal cells (MSCs) are multipotent cells distributed in all tissues and characterized by adherence, morphology, immunophenotype and trilineage differentiation potential. The present study aimed to isolate ... -
Isolation and characterization of microsatellite markers for Passiflora contracta
(2012) [Journal article]Passiflora contracta Vitta (Passifloraceae) is an endemic species of the Atlantic Rainforest, one of the most species-rich ecoregions in the world, although extremely endangered. We have developed an enriched microsatellite ... -
Isolation and characterization of microsatellites from the tapeworm Echinococcus granulosus
(2003) [Journal article]The Echinococcus granulosus genome was searched for microsatellites using 8 different repeated oligonucleotides as probes (GT15, CT15, AT15, CG15, CAT10, CAA10, CGG10 and CATA10). Southern blot experiments revealed that ... -
Isolation and characterization of two plant growth-promoting bacteria from the rhizoplane of a legume (Lupinus albescens) in sandy soil
(2010) [Journal article]Duas linhagens bacterianas que apresentaram amplificação de parte do gene nifH, RP1p e RP2p, pertencentes aos gêneros Enterobacter e Serratia, foram isoladas do rizoplano de Lupinus albescens. Essas bactérias são Gram-negativas, ... -
Is the human species still evolving? To where?
(2012) [Journal article]The questions of the title have been considered in several ways. First, indications of the traits which make us humans were considered. Then the behavior and culture concepts were examined, and the biology and culture ... -
Is the main goal of mastication achieved after orthodontic treatment? : A prospective longitudinal study
(2017) [Journal article]Objective: To investigate the masticatory and swallowing performances in patients with malocclusions before and after orthodontic treatment, comparing them to an age- and gender-matched control group with normal occlusion. ... -
James V. Neel and Latin America - or how scientific collaboration should be conducted
(2000) [Journal article]The main events related to the life of James V. Neel, one of the most important geneticists of the last decades, are presented, especially with reference to the influence he exerted in Latin America. Documentation is ... -
Já ouviram falar em móveis produzidos com fungos?
(2022) [Journal article] -
JIEMS special issue dedicated to the 13th ICIEM (Rio de Janeiro, Brazil, September, 5-8, 2017)
(2018) [Introductory and closing remarks]