Publications by authors named "LL Taylor"

Background: Prior research has shown that primary care clinicians (PCPs) spend a large portion of clinic visits on tasks within the electronic health record (EHR). However, no time allocation studies have been done in the Veterans Health Administration (VHA) and little is known about EHR time spent during virtual visits.

Objective: To estimate the proportion of clinician time spent working within the EHR during primary care visits at VHA clinics.

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Cardiovascular and cancer outcomes intersect within the realm of cardio-oncology survivorship care, marked by disparities across ethnic, racial, social, and geographical landscapes. Although the clinical community is increasingly aware of this complex issue, effective solutions are trailing. To attain substantial public health impact, examinations of cancer types and cardiovascular risk mitigation require complementary approaches that elicit the patient's perspective, scale it to a population level, and focus on actionable population health interventions.

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Background: People living with mesothelioma have a high symptom burden that can affect dietary intake and the development of malnutrition, subsequently impacting on patient-related and treatment outcomes. The present study aimed to develop a better understanding of the experiences of diet and appetite in people living with mesothelioma and their informal carers.

Methods: Twenty-three participants took part in semistructured interviews including 12 people living with mesothelioma (10 pleural and 2 peritoneal) aged 56-83 years and 12 informal carers, predominantly their spouses.

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Objective: To assess the association between coronavirus disease 2019 (COVID-19) vaccination and female assisted reproduction outcomes through a systematic review and meta-analysis.

Data Sources: We searched Medline (OVID), EMBASE, Web of Science, Cochrane Library, and ClinicalTrials.gov on January 11, 2023, for original articles on assisted reproduction outcomes after COVID-19 vaccination.

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Isolating metal-organic cage structures which incorporate more than one distinct ligand has been challenging due to competing pressures from narcissistic and social sorting phenomena. Here we report the first example of exclusive formation of a single tetrahedral product from a reaction mixture containing two different bidentate ligands. Exclusive formation of the tetrahedron, which incorporates one unique metal vertex, relies on a triamine to orientate the heteroditopic ligand.

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Earth's long-term climate may have profoundly influenced plant evolution. Local climatic factors, including water availability, light, and temperature, play a key role in plant physiology and growth, and have fluctuated substantially over geological time. However, the impact of these key climate variables on global plant biomass across the Phanerozoic has not yet been established.

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Self-assembly and characterisation of a supramolecular trigonal bipyramidal iron cage containing an [Fe(μ-F)(Fe)] star motif at its core is reported. The complex can be formed in a one step reaction using an heterotopic ligand that supports site-specific incorporation of iron in three distinct electronic configurations: low-spin Fe, high-spin Fe and high-spin Fe, with iron(II) tetrafluoroborate as the source of the bridging fluorides. Formation of a μ-F bridged mixed-valence Fe-Fe star is unprecedented.

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Land-based enhanced rock weathering (ERW) is a biogeochemical carbon dioxide removal (CDR) strategy aiming to accelerate natural geological processes of carbon sequestration through application of crushed silicate rocks, such as basalt, to croplands and forested landscapes. However, the efficacy of the approach when undertaken with basalt, and its potential co-benefits for agriculture, require experimental and field evaluation. Here we report that amending a UK clay-loam agricultural soil with a high loading (10 kg/m ) of relatively coarse-grained crushed basalt significantly increased the yield (21 ± 9.

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Importance: Approximately 1 in 4 patients receiving maintenance dialysis for end-stage renal disease eventually stop treatment before death. Little is known about the association of stopping dialysis and quality of end-of-life care.

Objectives: To evaluate the association of stopping dialysis before death with family-rated quality of end-of-life care and whether this association differed according to receipt of hospice services at the time of death.

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Background And Objectives: Little is known about the quality of end-of-life care for patients with advanced CKD. We describe the relationship between patterns of end-of-life care and dialysis treatment with family-reported quality of end-of-life care in this population.

Design, Setting, Participants, & Measurements: We designed a retrospective observational study among a national cohort of 9993 veterans with advanced CKD who died in Department of Veterans Affairs facilities between 2009 and 2015.

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Construction of discrete, self-assembled architectures in water has gained significant interest in recent years as a wide range of applications arises from their defined 3D structure. In this review we jointly discuss the efforts of supramolecular chemists and biotechnologists who previously worked independently, to tackle discipline-specific challenges associated with construction of assemblies from synthetic and bio-derived components, respectively. Going forward, a more interdisciplinary research approach will expedite development of complexes with real-world applications that exploit the benefits of compartmentalisation.

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In the version of this Perspective originally published, 'acidification' was incorrectly spelt as 'adification' in Fig. 4. This has now been corrected.

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The magnitude of future climate change could be moderated by immediately reducing the amount of CO entering the atmosphere as a result of energy generation and by adopting strategies that actively remove CO from it. Biogeochemical improvement of soils by adding crushed, fast-reacting silicate rocks to croplands is one such CO-removal strategy. This approach has the potential to improve crop production, increase protection from pests and diseases, and restore soil fertility and structure.

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Enhanced weathering (EW) aims to amplify a natural sink for CO by incorporating powdered silicate rock with high reactive surface area into agricultural soils. The goal is to achieve rapid dissolution of minerals and release of alkalinity with accompanying dissolution of CO into soils and drainage waters. EW could counteract phosphorus limitation and greenhouse gas (GHG) emissions in tropical soils, and soil acidification, a common agricultural problem studied with numerical process models over several decades.

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Metabolized forms of benzodiazepines (benzos) can cause issues with mass spectrometry identification. Benzodiazepines undergo a process called glucuronidation during metabolism that attaches a glucuronic acid for increased solubility. Often in clinical testing an enzymatic hydrolysis step is implemented to increase the sensitivity of benzodiazepines by hydrolyzing β-D-glucuronic acid from benzodiazepine-glucuronide conjugates in urine samples using the β-Glucuronidase enzyme.

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How the colonization of terrestrial environments by early land plants over 400 Ma influenced rock weathering, the biogeochemical cycling of carbon and phosphorus, and climate in the Palaeozoic is uncertain. Here we show experimentally that mineral weathering by liverworts—an extant lineage of early land plants—partnering arbuscular mycorrhizal (AM) fungi, like those in 410 Ma-old early land plant fossils, amplified calcium weathering from basalt grains threefold to sevenfold, relative to plant-free controls. Phosphate weathering by mycorrhizal liverworts was amplified 9-13-fold over plant-free controls, compared with fivefold to sevenfold amplification by liverworts lacking fungal symbionts.

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Purpose: Veterans in rural areas generally have lower health care utilization than veterans in urban areas, but the impact of this difference on health outcomes has received little study. Chronic wounds provide a model for studying access to complex chronic care since they often are related to underlying health conditions and require lengthy treatment. Our goals were to describe chronic wound care utilization among rural and urban veterans and to determine the association between rural residence and wound healing.

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Mtr4 is a conserved Ski2-like RNA helicase and a subunit of the TRAMP complex that activates exosome-mediated 3'-5' turnover in nuclear RNA surveillance and processing pathways. Prominent features of the Mtr4 structure include a four-domain ring-like helicase core and a large arch domain that spans the core. The 'ratchet helix' is positioned to interact with RNA substrates as they move through the helicase.

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On million-year timescales, carbonate rock weathering exerts no net effect on atmospheric CO2 concentration. However, on timescales of decades-to-centuries, it can contribute to sequestration of anthropogenic CO2 and increase land-ocean alkalinity flux, counteracting ocean acidification. Historical evidence indicates this flux is sensitive to land use change, and recent experimental evidence suggests that trees and their associated soil microbial communities are major drivers of continental mineral weathering.

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Nonparametric estimators of component and system life distributions are developed and presented for situations where recurrent competing risks data from series systems are available. The use of recurrences of components' failures leads to improved efficiencies in statistical inference, thereby leading to resource-efficient experimental or study designs or improved inferences about the distributions governing the event times. Finite and asymptotic properties of the estimators are obtained through simulation studies and analytically.

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A resource-efficient approach to making inferences about the distributional properties of the failure times in a competing risks setting is presented. Efficiency is gained by observing recurrences of the competing risks over a random monitoring period. The resulting model is called the recurrent competing risks model (RCRM) and is coupled with two repair strategies whenever the system fails.

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Large proportions of the Earth's land surface are covered by biomes dominated by C(4) grasses. These C(4)-dominated biomes originated during the late Miocene, 3-8 million years ago (Ma), but there is evidence that C(4) grasses evolved some 20 Ma earlier during the early Miocene/Oligocene. Explanations for this lag between evolution and expansion invoke changes in atmospheric CO(2), seasonality of climate and fire.

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An optically active tetrahydroquinoline intermediate (5) was prepared in 8 steps from monoprotected ethylene glycol, using a Pd-catalysed aza-Michael reaction to induce chirality. This can be transformed into three Galipea alkaloids (angustureine, galipeine and cuspareine). The proximity of a benzyloxy group is found to exert profound effects in several steps of the synthesis.

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Global weathering of calcium and magnesium silicate rocks provides the long-term sink for atmospheric carbon dioxide (CO(2)) on a timescale of millions of years by causing precipitation of calcium carbonates on the seafloor. Catchment-scale field studies consistently indicate that vegetation increases silicate rock weathering, but incorporating the effects of trees and fungal symbionts into geochemical carbon cycle models has relied upon simple empirical scaling functions. Here, we describe the development and application of a process-based approach to deriving quantitative estimates of weathering by plant roots, associated symbiotic mycorrhizal fungi and climate.

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In July 2009 we implemented a store-and-forward teledermatology project to provide dermatology care to veterans living in underserved rural areas of the Pacific Northwest region of the US. We also developed an educational programme for rural primary care providers and imaging technicians. Participants were tested and their competencies were assessed at baseline and during a two-year project.

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