Canadian wildfires in 2023 were record breaking with wide-reaching impacts on people, nature, and climate. Extreme heat and low rainfall associated with climate change led to unprecedented forest fires that released enormous amounts of carbon as they burned. This study used data on fire-driven tree cover loss and forest carbon fluxes to estimate the total extent of stand-replacing forest fires and their associated carbon emissions.
View Article and Find Full Text PDFWe describe a helium source cell for use in cryogenic experiments that is hermetically sealed in situ on the cold plate of a cryostat. The source cell is filled with helium gas at room temperature and, subsequently, sealed using a cold weld crimping tool before the cryostat is closed and cooled down. At low temperatures, the helium condenses and collects in a connected experimental volume, as monitored via the frequency response of a planar superconducting resonator device sensitive to small amounts of liquid helium.
View Article and Find Full Text PDFCytochrome P450s are a group of monooxygenase enzymes involved in primary, secondary and xenobiotic metabolisms. They have a wide application in the agriculture sector where they could serve as a target for herbicides or fungicides, while they could function in the pharmaceutical industry as drugs or drugs structures or for bioconversions. species are among the most commonly encountered fungal genera, with most of them living as saprophytes in different habitats, while others are parasites of plants and animals.
View Article and Find Full Text PDFCytochrome P450s (P450ome) constitute an extended superfamily group of heme-thiolate enzymes identified in all biological domains. P450omes play a critical role in the oxidation of steroids and fatty acids, xenobiotic degradation of hydrophobic compounds, biosynthesis of hormones, and primary and secondary metabolism in organisms. species are among the most economically important fungal organisms in human medicine, industry, and agriculture worldwide.
View Article and Find Full Text PDFAn outstanding hurdle for defect spin qubits in silicon carbide (SiC) is single-shot readout, a deterministic measurement of the quantum state. Here, we demonstrate single-shot readout of single defects in SiC via spin-to-charge conversion, whereby the defect's spin state is mapped onto a long-lived charge state. With this technique, we achieve over 80% readout fidelity without pre- or postselection, resulting in a high signal-to-noise ratio that enables us to measure long spin coherence times.
View Article and Find Full Text PDFAlthough collaborative, and more specifically, integrated models of care have existed for years, the 2010 Patient Protection and Affordable Care Act expanded their use, and Medicare has adopted a value-based payment system that further emphasizes service provision within the collaborative health care setting. Neuropsychology as a field is well-situated to work within the integrated health care setting, which presents both opportunities and challenges for clinical neuropsychologists. This education paper details how different neuropsychology clinical practice settings fit into an integrated care framework; discusses challenges to service delivery and fiscal viability in such settings and other health care related settings; and examines future directions for the role of neuropsychology within a dynamic health care system.
View Article and Find Full Text PDFHepatitis C virus (HCV) and B virus (HBV) infections are highly prevalent, with a high percentage of undiagnosed cases. Knowledge of HCV and its modes of transmission are essential for disease prevention and management. We studied a high-risk New Zealand gang population on viral hepatitis prevalence, their level of knowledge and the liver health risk factors in a community setting.
View Article and Find Full Text PDFPurpose: Cardiovascular disease risk factors have been associated with androgen-deprivation therapy (ADT) in white and Hispanic populations. It is therefore relevant to determine if there exists a relationship between these parameters in the African population.
Patients And Methods: The design of the study was cross sectional.
Objective: Rare variants in certain transcription factors involved in cardiac development cause Mendelian forms of congenital heart disease. The purpose of this study was to systematically assess the frequency of rare transcription factor variants in sporadic patients with the cardiac outflow tract malformation tetralogy of Fallot (TOF).
Methods And Results: We sequenced the coding, 5'UTR, and 3'UTR regions of twelve transcription factor genes implicated in cardiac outflow tract development (NKX2.
Ectodermal dysplasias (EDs) are a large and heterogeneous group of hereditary disorders characterized by abnormalities in structures of ectodermal origin. Incontinentia pigmenti (IP) is an ED characterized by skin lesions evolving over time, as well as dental, nail, and ocular abnormalities. Due to X-linked dominant inheritance IP symptoms can only be seen in female individuals while affected males die during development in utero.
View Article and Find Full Text PDFCongenital poikiloderma is characterized by a combination of mottled pigmentation, telangiectasia, and epidermal atrophy in the first few months of life. We have previously described a South African European-descent family affected by a rare autosomal-dominant form of hereditary fibrosing poikiloderma accompanied by tendon contracture, myopathy, and pulmonary fibrosis. Here, we report the identification of causative mutations in FAM111B by whole-exome sequencing.
View Article and Find Full Text PDFPrevious studies have shown that copy-number variants (CNVs) contribute to the risk of complex developmental phenotypes. However, the contribution of global CNV burden to the risk of sporadic congenital heart disease (CHD) remains incompletely defined. We generated genome-wide CNV data by using Illumina 660W-Quad SNP arrays in 2,256 individuals with CHD, 283 trio CHD-affected families, and 1,538 controls.
View Article and Find Full Text PDFBackground: Tetralogy of Fallot (TOF) is the commonest cyanotic form of congenital heart disease. In 80% of cases, TOF behaves as a complex genetic condition exhibiting significant heritability. As yet, no common genetic variants influencing TOF risk have been robustly identified.
View Article and Find Full Text PDFCongenital cardiovascular malformation (CVM) exhibits familial predisposition, but most of the specific genetic factors involved are unknown. Postulating that rare variants in genes in critical cardiac developmental pathways predispose to CVM, we systematically surveyed three genes of the bone morphogenetic protein (BMP) signaling pathway for novel variants. Exonic, splice site, and untranslated regions of BMPR1A, BMPR2, and SMAD6 genes were sequenced in 90 unrelated sporadic cases of CVM.
View Article and Find Full Text PDFRecurrent rearrangements of chromosome 1q21.1 that occur via non-allelic homologous recombination have been associated with variable phenotypes exhibiting incomplete penetrance, including congenital heart disease (CHD). However, the gene or genes within the ~1 Mb critical region responsible for each of the associated phenotypes remains unknown.
View Article and Find Full Text PDFBackground: Studying long-term stroke outcomes including body functioning (neurologic and neuropsychological impairments) and activity limitations and participation is essential for long-term evidence-based rehabilitation and service planning, resource allocation, and improving health outcomes in stroke. However, reliable data to address these issues is lacking.
Methods: This study (February 2007-December 2008) sourced its participants from the population-based incidence study conducted in Auckland in 2002-2003.
Background: Tetralogy of Fallot (TOF) is common in individuals with hemizygous deletions of chromosome 22q11.2 that remove the cardiac transcription factor TBX1.
Objective: To assess the contribution of common and rare TBX1 genetic variants to TOF.
Objective: The goal of the work described here was to determine whether seizure severity is associated with quality of life and if this association exists independent of seizure frequency.
Methods: We administered a survey questionnaire to patients followed at the Comprehensive Epilepsy Program, University of Florida Health Sciences Center/Jacksonville.
Results: The study population comprised 142 subjects.
Purpose: To determine the association between health literacy and outcomes of care (seizure control and quality of life) in individuals with epilepsy followed at a level four epilepsy center.
Methods: We conducted a face-to-face interview of patients seen at the Comprehensive Epilepsy Program of the University of Florida HSC/Jacksonville. We obtained demographic and clinical data, administered the Quality of Life in Epilepsy-10 inventory, and performed the Liverpool Seizure Severity Scale.
Purpose: To determine those variables associated with utilization of healthcare resources in epilepsy patients.
Methods: We interviewed 256 epilepsy patients. Target variables included the number of clinic visits, ER visits and in-patient admissions over the past year and AEDs currently being used.
Objective: The purpose of the work described here was to determine those variables associated with satisfaction with care among patients with epilepsy.
Methods: We interviewed patients followed at a tertiary epilepsy center. Predictor variables included age, gender, race, education, income, insurance, seizure frequency, and Quality of Life in Epilepsy-10 inventory (QOLIE-10) results.
Background: The causes and incidence of the commonly observed phenomenon of leaving against medical advice (LAMA) in our hospitals have not been studied. This retrospective study was aimed at evaluating its incidence and pattern in order to suggest possible solutions.
Methodology: The case files of patients who left against medical advice at the Casualty unit of the University of Calabar Teaching Hospital between July 2002 and December 2003 were retrieved from the Medical Records Department and information regarding age, sex, education/occupation, religion, diagnosis, reason(s) for leaving and duration of stay in casualty were extracted.
Management practices, stocking rate and flock size may affect laying hen welfare but there have been few replicated studies in commercial non-cage systems that investigate this. This study used a broad range of physical and physiological indicators to assess the welfare of hens in 36 commercial flocks. Six laying period treatments were examined with each treatment replicated 6 times.
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