Results 81 to 90 of about 13,010 (282)

An Evaluation of Mortality Rates and Their Determinants in a Cohort of Former Asbestos Miners in South Africa

open access: yesAmerican Journal of Industrial Medicine, EarlyView.
ABSTRACT Background A causal association between occupational asbestos exposure and lung disease, including pneumoconiosis and mesothelioma, is well established. Elevated mortality among former asbestos miners is expected. However, large‐scale South African studies examining all‐cause mortality in this population are lacking.
Yumna Williams‐Mohamed   +3 more
wiley   +1 more source

Región y nación: el Río Grande insurgente, entre el Imperio de Brasil y las repúblicas del Río de la Plata (1838-1842) [PDF]

open access: yes, 2013
El siglo diecinueve fue marcado por el proceso de descolonización y el consecuente proceso de formación de los Estados nacionales en Latinoamérica. Durante muchos años las guerras civiles entre diferentes grupos políticos fueron la característica más ...
Barcellos Guazzelli, César A.   +1 more
core   +2 more sources

Mechanisms of Mitochondrial Toxicity and Cytotoxicity Caused by Pseudomonas aeruginosa Pyocyanin in Human Nasal Epithelial Cells

open access: yesInternational Forum of Allergy &Rhinology, EarlyView.
ABSTRACT Background Pseudomonas aeruginosa is an opportunistic pathogen in cystic fibrosis‐related chronic rhinosinusitis (CF‐CRS) that produces phenazine metabolites pyocyanin and 1‐hydroxyphenazine (1‐HP), which may have detrimental effects on mitochondria, reactive oxygen species (ROS), Ca2+ signaling, and apoptosis.
Joel C. Thompson   +8 more
wiley   +1 more source

Variation in parrot jaw musculature

open access: yesThe Anatomical Record, EarlyView.
Interspecific morphological differences in some superficial jaw muscles of parrots. Abstract Psittaciformes, the order encompassing parrots and their relatives, are highly diverse and generally known for having a strong beaks used for multiple behaviors. The muscles related to the masticatory apparatus should reflect this functional complexity; however,
Ana Carolina L. Faillace   +3 more
wiley   +1 more source

Quaternion-Based Kalman Filter for AHRS Using an Adaptive-Step Gradient Descent Algorithm

open access: yesInternational Journal of Advanced Robotic Systems, 2015
This paper presents a quaternion-based Kalman filter for real-time estimation of the orientation of a quadrotor. Quaternions are used to represent rotation relationship between navigation frame and body frame.
Li Wang, Zheng Zhang, Ping Sun
doaj   +1 more source

Експериментальне порівняння алгоритмів визначення орієнтації на базі компліментарного фільтру та фільтру Маджвіка

open access: yesАвтоматизация технологических и бизнес-процессов, 2020
В статті розглядаються питання визначення орієнтації об’єктів. Основними джерелами інформації для розрахунку кутів орієнтації слугують мікроелектромеханічні датчики, а саме мікроелектромеханічний гіроскоп (надає данні про кутову швидкість) та ...
Д.В. Бугайов   +2 more
doaj   +1 more source

Pose identification and updating in autonomous vehicles [PDF]

open access: yes, 2017
In this paper, a novel algorithm to know the pose of any autonomous vehicle is described. Such a system (Attitude and Heading Reference System, AHRS) is essential for real time vehicle navigation, guidance and control applications.
Bolea Monte, Yolanda   +2 more
core  

Serious Infections in Offspring Exposed to Tumor Necrosis Factor Inhibitors During Pregnancy: Comparison of Timing During Pregnancy and Placental Transfer Ability

open access: yesArthritis &Rheumatology, EarlyView.
Objective We evaluated serious infection risk in offspring exposed to tumor necrosis factor inhibitors (TNFi) in utero, separated by TNFi timing and placental transfer ability. Methods Using MarketScan (2011–2021), we identified offspring born to mothers with chronic inflammatory diseases.
Leah K. Flatman   +6 more
wiley   +1 more source

Renin-angiotensin system inhibitors and non-ST-elevation myocardial infarction outcomes based on left ventricular ejection fraction

open access: yesHellenic Journal of Cardiology
Background: We assessed left ventricular ejection fraction (LVEF) to compare the effects of renin–angiotensin system inhibitors (RASI) in patients with non-ST-segment elevation myocardial infarction (NSTEMI).
Yong Hoon Kim   +14 more
doaj   +1 more source

The AHR–NRF2–JDP2 gene battery: Ligand–induced AHR transcriptional activation

open access: yesBiochemical Pharmacology
Aryl hydrocarbon receptor (AHR) and nuclear factor-erythroid 2-related factor 2 (NRF2) can regulate a series of genes encoding the detoxifying phase I and II enzymes, via a signaling crosstalk known as the "AHR-NRF2 gene battery". The chromatin transcriptional regulator Jun dimerization protein 2 (JDP2) plays a central role in thetranscription of AHR ...
Kenly Wuputra   +10 more
openaire   +2 more sources

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