Publications by authors named "Sadler C"

Article Synopsis
  • Patients with ulcerative colitis (UC) experiencing severe flares in the hospital are a unique and high-risk group requiring specialized clinical trial designs.
  • A multi-centre consortium is developing a trial for hyperbaric oxygen therapy, addressing important factors like inclusion/exclusion criteria, disease activity measures, and tailored care pathways.
  • The study highlights the need for comprehensive outcome measures and standardized care practices while emphasizing the significance of early intervention and statistical planning in these small clinical trials.
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Here, we present results of a computational and experimental study of adsorption of various metals on MoS. In particular, we analyzed the binding mechanism of four metallic elements (Ag, Au, Cu, Ni) on MoS. Among these elements, Ni exhibits the strongest binding and lowest mobility on the surface of MoS.

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The global crisis of antimicrobial resistance (AMR) necessitates the development of broad-spectrum antibacterial drugs effective against multi-drug resistant (MDR) pathogens. BWC0977, a Novel Bacterial Topoisomerase Inhibitor (NBTI) selectively inhibits bacterial DNA replication via inhibition of DNA gyrase and topoisomerase IV. BWC0977 exhibited a minimum inhibitory concentration (MIC) of 0.

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Introduction: The COVID-19 pandemic raised significant concerns about fitness to dive due to potential damage to the pulmonary and cardiovascular systems. Our group previously published guidelines (original and revised) for assessment of these divers. Here, we report a prospective, observational study to evaluate the utility of these guidelines.

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Article Synopsis
  • This study examined how chronic sleep duration affects reaction time and motor preparation in adults during a simple task involving auditory stimuli.
  • It involved two groups: short sleepers (5.7 hrs/night) and adequate sleepers (7.5+ hrs/night), revealing that short sleepers had slower reaction times to normal sounds but similar responses to startle stimuli.
  • Overall, while chronic short sleep was linked to decreased cognitive performance—especially after 5 minutes—it didn't affect motor preparation, as the response times to startling sounds were consistent across both groups.
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Recent advances in additive manufacturing have led to the development of innovative solutions for tissue regeneration. Hydrogel materials have gained significant attention for burn wound treatment in clinical practice among various advanced dressings due to their soothing and moisturizing activity. However, prolonged healing, pain, and traumatic removal due to the lack of long-term wound hydration are some of the challenges in the treatment of second-degree burn wounds.

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Article Synopsis
  • The study aimed to analyze how increasing sleep duration for one week affects insulin sensitivity (IS) in adolescents at risk for type 2 diabetes (T2D).
  • Participants aged 13-18, who were at risk due to obesity and other factors, underwent a crossover study where their sleep time was manipulated over a structured period.
  • Results showed that increasing sleep by 1 hour 30 minutes per night significantly improved insulin sensitivity by 20% compared to their usual and decreased sleep, suggesting that even small increases in sleep duration are beneficial for youth at risk of T2D.
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Aims: To explore socio-demographic characteristics of non-attenders at diabetic retinal screening.

Methods: A retrospective, register-based cross-sectional analysis of 10,275 participants invited to diabetic retinal screening in Te Tai Tokerau (Northland) between May 2011 and June 2020 was performed. Multivariable logistic regression analysis was used to assess the association of age, sex, type of diabetes, ethnicity and socio-economic deprivation with non-attendance at diabetic retinal screening.

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Introduction: Faults or errors during use of closed-circuit rebreathers (CCRs) can cause hypoxia. Military aviators face a similar risk of hypoxia and undergo awareness training to determine their 'hypoxia signature', a personalised, reproducible set of symptoms. We aimed to establish a hypoxia signature among divers, and to investigate their ability to detect hypoxia and self-rescue while cognitively overloaded.

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Background: Transcranial direct current stimulation (tDCS) has been shown to modulate cortical motor excitability and improve bradykinesia symptoms in Parkinson's disease. It is unclear how targeting different cortical motor areas with tDCS may differentially influence upper limb function for individuals diagnosed with PD.

Objective: This study investigated whether anodal tDCS applied separately to the primary motor cortex and the supplementary motor area would improve upper limb function for individuals with Parkinson's disease.

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Introduction: To continue to inform sleep health guidelines and the development of evidence-based healthy sleep interventions for children and adolescents, it is important to better understand the associations between sleep timing (bedtime, wake-up time, midpoint of sleep) and various health indicators. The objective of this systematic review was to examine the associations between sleep timing and 9 health indicators in apparently healthy children and adolescents 5 to 18 years old.

Methods: Studies published in the 10 years preceding January 2021 were identified from searches in four electronic databases.

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The simultaneous performance of two motor tasks is challenging. Currently, it is unclear how response preparation of a secondary task is impacted by the performance of a continuous primary task. The purpose of the present experiment was to investigate whether the position of the limb performing the primary cyclical tracking task impacts response preparation of a secondary reaction time task.

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Background: MMV390048 is an aminopyridine plasmodial PI4K inhibitor, selected as a Plasmodium blood-stage schizonticide for a next generation of malaria treatments to overcome resistance to current therapies. MMV390048 showed an acceptable preclinical safety profile and progressed up to Phase 2a clinical trials. However, embryofetal studies revealed adverse developmental toxicity signals, including diaphragmatic hernias and cardiovascular malformations in rats but not rabbits.

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Background & Aims: Hyperbaric oxygen therapy (HBOT) is a promising treatment for moderate-to-severe ulcerative colitis. However, our current understanding of the host and microbial response to HBOT remains unclear. This study examined the molecular mechanisms underpinning HBOT using a multi-omic strategy.

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Background: Older adults (OAs; ≥ 65 years) comprise a growing population in the United States and are anticipated to require an increasing number of emergency general surgery procedures (EGSPs). The aims of this study were to identify the frequency of EGSPs and compare cost of care in OAs managed at teaching hospitals (THs) vs nonteaching hospitals (NTHs).

Methods: A retrospective review of data from the Maryland Health Services Cost Review Commission database from 2009 to 2018 for OAs undergoing EGSPs was undertaken.

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Nowhere is redundancy more indispensable than extended range cave diving. Training and practice in this discipline ensure divers are equipped with backup regulators, gauges, lights, and adequate breathing gas for a safe exit, emergencies, and decompression. Depending on penetration distances and depth, open circuit cave diving may require carrying more gas cylinders than can be logistically managed by the diver themselves while maintaining safe gas supply margins.

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Simple reaction time (RT) can vary by sex, with males generally displaying faster RTs than females. Although several explanations have been offered, the possibility that response preparation differences may underlie the effect of sex on simple RT has not yet been explored. A startling acoustic stimulus (SAS) can involuntarily trigger a prepared motor response (i.

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Processed foods are increasingly under the spotlight since the development of classification systems based on proxies for food processing. Published critical reviews and commentaries suggest different views among professional disciplines about the definition and classification of processed food. There is a need to further understand perspectives of professionals on the conceptualisation of processed food and the agreements and disagreements among experts, to encourage interdisciplinary dialogue and aid communication to the public.

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In a simple reaction time task, the presentation of a startling acoustic stimulus has been shown to trigger the prepared response at short latency, known as the StartReact effect. However, it is unclear under what conditions it can be assumed that the loud stimulus results in response triggering. The purpose of the present study was to examine how auditory stimulus intensity and preparation level affect the probability of involuntary response triggering and the incidence of activation in the startle reflex indicator of sternocleidomastoid (SCM).

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Objective: Bradykinesia, defined as slowness of movements, is among the most functionally debilitating symptoms of Parkinson's disease (PD). Hypoactivation of cortical neurons in supplementary motor area (SMA) has been linked to the progression of bradykinesia symptoms. This study investigated the influence of transcranial direct current stimulation (tDCS) applied over SMA on upper limb movement for individuals diagnosed with PD.

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The objective of this study was to determine whether childbirth education conducted over 3 or more sessions is more effective than courses conducted over 1 or 2 sessions. This was a secondary analysis of 2853 participants in a longitudinal study of women recruited during their first pregnancy. Data on childbirth education attendance were collected during the 1-month postpartum interview.

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GS-9695 and GS-9822 are next-generation noncatalytic site integrase inhibitors (NCINIs) with significantly improved potency against human immunodeficiency virus compared with previous drugs such as BI-224436. Development stopped due to vacuolation of the bladder urothelium seen in cynomolgus monkey but not in rat; this lesion was absent in equivalent preclinical studies with BI-224436 (tested in dog and rat). Lesions were unlikely to be attributable to target because NCINIs specifically target viral integrase protein and no mammalian homologue is known.

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The aspartic proteases plasmepsin IX/X are important antimalarial drug targets due to their specificity to the malaria parasite and their vital role as mediators of disease progression. Focusing on parasite-specific targets where no human homologue exists reduces the possibility of on-target drug toxicity. However, there is a risk of toxicity driven by inadequate selectivity for plasmepsins IX/X in Plasmodium over related mammalian aspartic proteases.

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