Publications by authors named "Joseph Smith"

Uridine insertion/deletion editing of mitochondrial messenger RNAs (mRNAs) in kinetoplastids entails the coordinated action of three complexes. RNA Editing Catalytic Complexes (RECCs) catalyze the enzymatic reactions, while the RNA Editing Substrate Binding Complex (RESC) and RNA Editing Helicase 2 Complex (REH2C) coordinate interactions between RECCs, mRNAs and hundreds of guide RNAs that direct edited sequences. Additionally, numerous auxiliary factors are required for productive editing of specific mRNAs.

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Information can be encoded and stored in sequences of monomer units organized in linear synthetic polymers. Replication of sequence information is of fundamental importance in biology; however, it represents a challenge for synthetic polymer chemistry. A combination of covalent and noncovalent base pairs has been used to achieve high-fidelity templated synthesis of synthetic polymers that encode information as a sequence of different side-chain recognition units.

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  • - The study investigates how the timing of radiotherapy (RT) after radical prostatectomy influences long-term health-related quality of life (HRQOL) in men with prostate cancer, focusing on sexual, urinary, and bowel health.
  • - Researchers analyzed data from two cohorts, comparing outcomes between three groups: men who had just prostatectomy, those who received early RT (within 12 months), and those who had late RT (12 months or later).
  • - Findings revealed that men who underwent RT after prostatectomy experienced greater declines in aspects of HRQOL compared to those who did not receive RT, highlighting the potential negative effects of post-surgery radiation timing.
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The transcription (IVT) of messenger ribonucleic acid (mRNA) from the linearized deoxyribonucleic acid (DNA) template of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Delta variant (B.1.617.

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Schizophrenia and schizoaffective disorder present burdens to patients and health systems through elevated healthcare resource utilization (HCRU) and costs. However, there is a paucity of evidence describing these burdens across payor types. To identify unmet needs, this study characterized patients with schizophrenia or schizoaffective disorder by payor type.

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  • * Current methods for analyzing these resins often damage samples or provide inadequate data, prompting the need for better techniques.
  • * This study introduces a novel approach using unsupervised machine learning (NMF and k-means) combined with Raman hyperspectral imaging to accurately identify and map chemical species in biopharmaceutical resins like Immobead 150P.
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  • Current research indicates that knowledge about how PFAS (per- and polyfluoroalkyl substances) behave in urban stormwater biofilter systems is lacking.
  • Various PFAS chemicals were frequently detected in both bioretention media and forebay sediments, with unknown PFAS precursors being found in even higher concentrations than known ones.
  • There is no clear relationship between PFAS concentrations and the depth of the filter media, suggesting that solely relying on shallow biofilters may not be effective for managing stormwater PFAS contamination.
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Mosquitoes (Diptera: Culicidae) are one of the most impactful pests to human society, both as a nuisance and a potential vector of human and animal pathogens. Mosquito larvae develop in still aquatic environments. Eliminating these habitats near high human density or managing them to reduce the suitability for mosquitoes will reduce mosquito populations in these human environments and decrease the overall negative impact of mosquitoes on humans.

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Analysis of virus-like particles (VLPs) is an essential task in optimizing their implementation as vaccine antigens for virus-initiated diseases. Interrogating VLP collections for elasticity by probing with a rigid atomic force microscopy (AFM) tip is a potential method for determining VLP morphological changes. During VLP morphological change, it is not expected that all VLPs would be in the same state.

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A hallmark of cerebral malaria is sequestration of Plasmodium falciparum-infected erythrocytes (IEs) in the brain microcirculation. Antibodies contribute to malaria immunity, but it remains unclear whether functional antibodies targeting parasite-expressed ligand can block cytoadhesion in the brain. Here, we screened the plasma of older children and young adults in Malawi to characterize the antibody response against the P.

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Recognition-encoded melamine oligomers (REMO) are synthetic polymers that feature an alternating 1,3,5-triazine-piperazine backbone and side-chains equipped with either a phenol or phosphine oxide recognition unit. An automated method for the solid-phase synthesis (SPS) of REMO of any specified sequence has been developed starting from dichlorotriazine monomer building blocks. Complementary homo-oligomers with either six phenols or six phosphine oxides were synthesized and shown to form a stable duplex in nonpolar solvents by NMR denaturation experiments.

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Background: Ecological and physical conditions vary with depth in aquatic ecosystems, resulting in gradients of habitat suitability. Although variation in vertical distributions among individuals provides evidence of habitat selection, it has been challenging to disentangle how processes at multiple spatio-temporal scales shape behaviour.

Methods: We collected thousands of observations of depth from acoustically tagged adult Chinook salmon Oncorhynchus tshawytscha, spanning multiple seasons and years.

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Kinases are key players in endothelial barrier regulation, yet their temporal function and regulatory phosphosignaling networks are incompletely understood. We developed a novel methodology, Temporally REsolved KInase Network Generation (TREKING), which combines a 28-kinase inhibitor screen with machine learning and network reconstruction to build time-resolved, functional phosphosignaling networks. We demonstrated the utility of TREKING for identifying pathways mediating barrier integrity after activation by thrombin with or without TNF preconditioning in brain endothelial cells.

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The threat of bioterrorism has spurred research on the decontamination and containment of different agents. Anthrax [causative agent Bacillus anthracis (Ba)] is a disease that can lead to severe infections within human and animals, particularly when inhaled. This research investigated the use of spore-contaminated simulated runoff events into stormwater control measures (SCMs), which are designed to retain and improve the quality of runoff and may have the potential to filter and contain the spores.

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The infectious agent for African trypanosomiasis, , possesses a unique and essential translocase of the mitochondrial inner membrane, known as the TbTIM17 complex. TbTim17 associates with six small TbTims (TbTim9, TbTim10, TbTim11, TbTim12, TbTim13, and TbTim8/13). However, the interaction patterns of these smaller TbTims with each other and TbTim17 are not clear.

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Acetyl-coenzyme A is a central metabolite that participates in many cellular pathways. Evidence suggests that acetyl-CoA production and consumption are highly compartmentalized in mammalian cells. Yet methods to measure acetyl-CoA in living cells are lacking.

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Introduction: Following the COVID-19 pandemic, telehealth usage increased. Virtual visits minimize exposure risk while also addressing barriers to care. Telehealth offers the ability to increase patient access and provider efficiency.

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Disuse is associated with reduced muscle oxygen saturation (SmO). Improving oxygen delivery to tissues is important for healing, preventing muscle atrophy, and reducing the risk of deep vein thrombosis. Mobility devices are used during disuse periods to ambulate and protect the injured limb.

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Objectives: The purpose of this study was to examine the number of exacerbations, counts of eosinophils, and asthma-related symptoms 1 year before and after initiating benralizumab for the treatment of severe eosinophilic asthma.

Methods: Patients with prior exacerbations and newly initiating benralizumab were identified in the claims-based Healthcare Integrated Research Database. Claims were used to assess benralizumab treatment patterns, exacerbations, healthcare resource utilization, and other asthma medication used.

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Viable cell density (VCD) and cell viability (CV) are key performance indicators of cell culture processes in biopharmaceutical production of biologics and vaccines. Traditional methods for monitoring VCD and CV involve offline cell counting assays that are both labor intensive and prone to high variability, resulting in sparse sampling and uncertainty in the obtained data. Process analytical technology (PAT) approaches offer a means to address these challenges.

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Background: Seeing patients in an ambulatory clinic generates electronic medical record (EMR) inbox tasks. Little is known about the standard baseline message turnaround time to EMR inbox task completion and whether electronic reminders improve turnaround time.

Objective: 1) Obtain baseline message type and mean message turnaround time (MTT) to EMR inbox task completion data, 2) Standardize EMR workflow education, 3) Disseminate bi-weekly electronic reminders to fellows in their continuity clinic and measure MTT.

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Biocatalysis is an established technology with significant application in the pharmaceutical industry. Immobilization of enzymes offers significant benefits for commercial and practical purposes to enhance the stability and recyclability of biocatalysts. Determination of the spatial and chemical distributions of immobilized enzymes on solid support materials is essential for an optimal catalytic performance.

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