Determination of the De Novo Minimum Selection Concentration of Trimethoprim In Vivo for Using A Pilot Study.

We investigated whether the maximum residual levels of trimethoprim permitted in food (Acceptable Daily Intake-ADI) could select for de novo trimethoprim resistance in in vivo. We designed chronic infection models of in and exposed them to sub-ADI doses of trimethoprim through a single-dosing regimen. The emergence of trimethoprim resistance was determined by isolating the target bacteria on selective agar plates, followed by species confirmation using MALDI-TOF mass spectrometry.

Fetal Cartilage Progenitor Cells in the Repair of Osteochondral Defects.

Background: Therapies for cartilage restoration are of great interest, but current options provide limited results. In salamanders, interzone (IZN) tissue can regenerate large joint lesions. The mammalian homolog to this tissue exists during fetal development and exhibits remarkable chondrogenesis in vitro.

On-surface synthesis.

is pleased to introduce a Collection of research works focused on recent developments within the interdisciplinary field of on-surface synthesis. Here, the Guest Editors highlight key themes and look towards the future of this research field.

IOC consensus statement: interpersonal violence and safeguarding in sport.

Objective: Interpersonal violence (IV) in sport is challenging to define, prevent and remedy due to its subjectivity and complexity. The 2024 International Olympic Committee Consensus on Interpersonal Violence and Safeguarding aimed to synthesise evidence on IV and safeguarding in sport, introduce a new conceptual model of IV in sport and offer more accessible safeguarding guidance to all within the sports ecosystem by merging evidence with insights from Olympic athletes.

Methods: A 15-member expert panel performed a scoping review following Joanna Briggs Institute methodologies.

Exfoliation of Graphene onto Si(111)-7 × 7 under Ultrahigh Vacuum Provides Some Protection against Exposure to Air.

The investigation of graphene as a protective coating for different materials has been an area of active research for well over a decade. However, graphene's ability to protect clean, reconstructed silicon from ambient gases has remained uninvestigated. Here, we describe the use of a clean ultrahigh vacuum transfer method to deposit graphene onto the Si(111)-7 × 7 reconstruction.

Investigating the Potential Short-term Adverse Effects of the Quadrivalent Human Papillomavirus Vaccine: A Novel Regression Discontinuity Analysis.

Background: Human papillomavirus (HPV) vaccination has been offered in over a hundred countries worldwide (including the United Kingdom, since September 2008). Controversy around adverse effects persists, with inconsistent evidence from follow-up of randomized controlled trials and confounding by indication limiting the conclusions drawn from larger-scale observational studies. This study aims to estimate the association between receiving a quadrivalent HPV vaccine and the reporting of short-term adverse effects and to demonstrate the utility of regression discontinuity design for examining side effects in routine data.

Hidden Boron Catalysis: A Cautionary Tale on TMEDA Inhibition.

Hidden boron catalysis plagues catalyzed hydroboration reactions, with the "catalyst" acting to mediate the decomposition of HBpin/HBcat to BH which is the actual (hidden) catalyst. ,,,'-Tetramethylethylenediamine (TMEDA) has been used to identify hidden boron catalysis through trapping/inhibition. Kinetic analyses showed that TMEDA inhibition is only applicable below 60 °C and that other amine traps are likewise ineffective.

The critical elements of digital health in diabetes and cardiometabolic care.

Digital innovations provide novel opportunities to individualize a person's care to best match their lifestyle needs and circumstances and to support them as they live their daily lives with diabetes. These innovations also serve to provide actionable data and insights for the care team giving them a "Webb telescope-like" view into their individual self-management journey, allowing them to see what cannot be seen during infrequent and limited office visits, thereby facilitating collaboration and communication to optimize the care plan on a timely basis. Technology advances are enabling diabetes care to transition from episodic, synchronous, primarily in-person care to include synchronous virtual care options and to continuous, on-demand, data-informed, asynchronous digital care better matching the demands of living with a relentless 24/7 chronic condition.

Reported Side Effects and Adherence of Daily HIV Pre-Exposure Prophylaxis Users in Ontario, Canada: An Analysis of the Ontario Pre-Exposure Prophylaxis Cohort Study.

Side effects are a common concern of current and potential HIV pre-exposure prophylaxis (PrEP) users, potentially leading to missed doses. We examined the relationship between reported side effects and adherence in the Ontario PrEP Cohort Study (ON-PrEP). In total, 600 predominantly gay (87.

COVID-19 and Mental Illnesses in Vaccinated and Unvaccinated People.

Importance: Associations have been found between COVID-19 and subsequent mental illness in both hospital- and population-based studies. However, evidence regarding which mental illnesses are associated with COVID-19 by vaccination status in these populations is limited.

Objective: To determine which mental illnesses are associated with diagnosed COVID-19 by vaccination status in both hospitalized patients and the general population.

Incidence of diabetes after SARS-CoV-2 infection in England and the implications of COVID-19 vaccination: a retrospective cohort study of 16 million people.

Background: Some studies have shown that the incidence of type 2 diabetes increases after a diagnosis of COVID-19, although the evidence is not conclusive. However, the effects of the COVID-19 vaccine on this association, or the effect on other diabetes subtypes, are not clear. We aimed to investigate the association between COVID-19 and incidence of type 2, type 1, gestational and non-specific diabetes, and the effect of COVID- 19 vaccination, up to 52 weeks after diagnosis.

Access to best-evidenced mental health support for care-experienced young people: Learnings from the implementation of cognitive therapy for PTSD.

Objectives: Rates of PTSD are up to 12 times higher in care-experienced young people (CEYP) compared to their peers. Trauma-focused CBTs (tf-CBT) are the best-evidenced treatment for youth with PTSD, yet, in practice, CEYP often struggle to access this treatment. We worked alongside services to understand barriers and facilitators of the implementation of cognitive therapy for PTSD (a type of tf-CBT) to CEYP.

Pilot postal birth cohort HCV Screening in UK primary care.

Background: Birth cohort screening has been implemented in some countries to identify the potentially 'missed population' of undiagnosed chronic Hepatitis C Virus (HCV) in people who may not be found through targeted approaches.

Aim: To determine uptake of HCV antibody testing using an oral swab screening method, overall yield, whether those testing positive had risk markers in their primary care record, and cost per case detected.

Design And Setting: Pilot screening study set in general practices in the Southwest, South London and Yorkshire and Humber.

Additional Roles Reimbursement Scheme uptake, patient satisfaction, and QOF achievement: an ecological study from 2020-2023.

Background: The Additional Roles Reimbursement Scheme (ARRS) was introduced by NHS England in 2019 alongside primary care networks (PCNs), with the aims of increasing the workforce and improving patient outcomes.

Aim: To describe the uptake of direct patient care (DPC)-ARRS roles and its impact on patients' experiences.

Design And Setting: An ecological study using 2020-2023 PCN and practice workforce data, registered patient characteristics, the General Practice Patient Survey, and the Quality and Outcomes Framework (QOF).

Anatomy of the Lateral Antebrachial Cutaneous Nerve: Landmarks for Procedures in the Cubital Fossa.

Purpose: The research outlines anatomical landmarks that may help surgeons in identifying the lateral antebrachial cutaneous nerve (LABCN) to minimize nerve damage during procedures in the cubital fossa.

Methods: Twenty-eight fresh cadaveric upper extremities were dissected. The course of the LABCN was followed from the emerging point at the biceps brachii tendon (BT) to the mid-forearm.

TRAUMA-INDUCED COAGULOPATHY: PREVALENCE AND ASSOCIATION WITH MORTALITY PERSIST 20 YEARS LATER.

Introduction: A 2003 landmark study identified the prevalence of early trauma-induced coagulopathy (eTIC) at 28% with a strong association with mortality of 8.9%. Over the last 20 years, there have been significant advances in both the fundamental understanding of eTIC and therapeutic interventions.

Risk of drug-related death associated with co-prescribing of gabapentinoids and Z-drugs among people receiving opioid-agonist treatment: A national retrospective cohort study.

Background: Prescribing of gabapentinoids and Z-drug-hypnotics has increased in the population and among people receiving opioid-agonist treatment (OAT) for opioid dependence. Evidence is mixed on whether co-prescribing of sedatives such as gabapentinoids and Z-drugs during OAT increases risk of drug-related death (DRD).

Methods: We conducted a retrospective cohort study of individuals prescribed OAT between 2011 and 2020 in Scotland.

HIV pre-exposure prophylaxis and opportunities for vaccination against hepatitis A virus, hepatitis B virus and human papillomavirus: an analysis of the Ontario PrEP cohort study.

Objectives: Populations who seek HIV pre-exposure prophylaxis (PrEP) are disproportionately affected by hepatitis A virus (HAV), hepatitis B virus (HBV) and human papillomavirus (HPV). We examined immunity/vaccination against these infections among participants in the Ontario PrEP cohort study (ON-PrEP).

Methods: ON-PrEP is a prospective cohort of HIV-negative PrEP users from 10 Ontario clinics.

Effectiveness of contrast-enhanced duplex ultrasound for detecting renal artery stenosis: A systematic review.

Purpose: Contrast-enhanced duplex ultrasound (CEUS) might be a useful tool to diagnosing renal artery stenosis (RAS). We amalgamated and reviewed the evidence assessing the diagnostic accuracy of CEUS on detecting RAS compared to angiography.

Methods: This preregistered systematic review included studies that compared the presence of RAS via CEUS with angiography.

Occupational patterns of opioid-related harms comparing a cohort of formerly injured workers to the general population in Ontario, Canada.

Objectives: The role of work-related injuries as a risk factor for opioid-related harms has been hypothesized, but little data exist to support this relationship. The objective was to compare the incidence of opioid-related harms among a cohort of formerly injured workers to the general population in Ontario, Canada.

Methods: Workers' compensation claimants (1983-2019) were linked to emergency department (ED) and hospitalization records (2006-2020).