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Target-assisted self-powered photoelectrochemical sensor based on AgS/BiOCl heterojunction for ultrasensitive chlorpyrifos detection.
Talanta
December 2024
College of Geography and Environmental Sciences, College of Chemistry and Materials Sciences, Key Laboratory of Watershed Earth Surface Processes and Ecological Security, Zhejiang Normal University, Jinhua, 321004, China. Electronic address:
Chlorpyrifos (CPF), a widely used organophosphorus pesticide, presents substantial risks to both environmental and human health due to its persistent accumulation, thereby necessitating the development of effective detection methods. Self-powered photoelectrochemical (PEC) sensors, as an innovative technology, address the limitations inherent in conventional sensors, such as susceptibility to interference and inadequate signal response. Herein, we synthesized AgS/BiOCl as a photosensitive material, employing it as a light-harvesting substrate and a signal-transducing platform to develop a self-powered PEC sensor for the detection of CPF.
View Article and Find Full Text PDFObjective: The purpose of this study is to conduct a follow up analysis comparing operational and quality measures of the pre-residency period with those of a mature program comprised of a full cohort of 15 residents, with 3 residents in each post graduate year (PGY) 1-5.
Design: A retrospective review of 25,900 surgeries performed by the general, breast, plastics, thoracic, and vascular services at a single regional medical center was performed and surgeries were classified as pre-residency period and residency period. Independent variables included patient demographics, comorbidity burden, emergency department arrivals, and outcomes of interest included daily elective case volume, the percent of cases performed during 'off-hours' (defined as 7p-7a), operating room (OR) and procedure minutes, average length of stay (LOS), average total hospital charges, rates of 30-day return to OR (ROR), ED visits, and readmissions, and patient satisfaction.
Durvalumab and tremelimumab in patients with advanced rare cancer: a multi-centre, non-blinded, open-label phase II basket trial.
EClinicalMedicine
January 2025
Canadian Cancer Trials Group, Queen's University, Kingston, ON, Canada.
Background: Dual inhibition of cytotoxic T-lymphocyte associated protein 4 (CTLA-4) and programmed death ligand 1 (PD-L1) has been shown to be an effective treatment strategy in many cancers. We sought to determine the objective response rate of combination durvalumab (D) plus tremelimumab (TM) in parallel cohorts of patients with carefully selected rare cancer types in which these agents had not previously been evaluated in phase II trials and for which there was clinical or biological rationale for dual immune checkpoint inhibitor therapy to be active.
Methods: We designed a multi-centre, non-blinded, open-label phase II basket trial with each of the following 8 rare cancers considered a separate phase II trial: salivary carcinoma, carcinoma of unknown primary (CUP) with tumour infiltrating lymphocytes and/or expressing PD-L1, mucosal melanoma, acral melanoma, osteosarcoma, undifferentiated pleomorphic sarcoma, clear cell carcinoma of the ovary (CCCO) or squamous cell carcinoma of the anal canal (SCCA).
Beyond metabolic messengers: Bile acids and TGR5 as pharmacotherapeutic intervention for psychiatric disorders.
Pharmacol Res
December 2024
Department of Pharmacology, School of Medicine, College of Medicine, Taipei Medical University, No. 250, Wu Hsing St., Taipei 110, Taiwan, ROC; Research Center for Neuroscience, Taipei Medical University, Taipei, Taiwan, ROC; Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 110, Taiwan, ROC. Electronic address:
Psychiatric disorders pose a significant global health challenge, exacerbated by the COVID-19 pandemic and insufficiently addressed by the current treatments. This review explores the emerging role of bile acids and the TGR5 receptor in the pathophysiology of psychiatric conditions, emphasizing their signaling within the gut-brain axis. We detail the synthesis and systemic functions of bile acids, their transformation by gut microbiota, and their impact across various neuropsychiatric disorders, including major depressive disorder, general anxiety disorder, schizophrenia, autism spectrum disorder, and bipolar disorder.
View Article and Find Full Text PDFCDK4/6 inhibitors in HR-positive breast cancer immunotherapy.
Bioorg Chem
December 2024
Department of General Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China; Department of Thyroid and Breast Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China. Electronic address:
Breast cancer is the most prevalent malignant tumour among women. Approximately 70 % of patients are hormone receptor (HR)-positive and undergo endocrine therapy as the main form of treatment; however, the efficacy of this type of therapy is limited by some factors, such as drug resistance and complex tumour microenvironments. Using network pharmacology and molecular docking, this study examined how CDK4/6 inhibitors enhance the effects of immunotherapy for HR-positive breast cancer, focusing on their effects on the tumour microenvironment (TME) and immune cell activity.
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