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Skeletal Editing through Cycloaddition and Subsequent Cycloreversion Reactions.
Acc Chem Res
January 2025
Organisch-Chemisches Institut, Universität Münster, Corrensstrasse 40, 48149 Münster, Germany.
ConspectusSkeletal editing, which involves adding, deleting, or substituting single or multiple atoms within ring systems, has emerged as a transformative approach in modern synthetic chemistry. This innovative strategy addresses the ever-present demand for developing new drugs and advanced materials by enabling precise modifications of molecular frameworks without disrupting essential functional complexities. Ideally performed at late stages of synthesis, skeletal editing minimizes the need for the cost- and labor-intensive processes often associated with synthesis, thus accelerating the discovery and optimization of complex molecular architectures.
View Article and Find Full Text PDFUtilization of AF4 for characterizing complex nanomaterial drug products: Reexamining sample recovery and its impact on particle size distribution as a quality attribute.
J Chromatogr A
January 2025
Office of Pharmaceutical Quality Research, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland 20993, USA. Electronic address:
Asymmetrical flow field-flow fractionation (AF4) with multi-detection has continued to gain wider acceptance for characterizing complex drug products. An important quality attribute for these products is the measurement of the particle size distribution (PSD). Current limitations of established procedures (e.
View Article and Find Full Text PDFEngagement With an Internet-Administered, Guided, Low-Intensity Cognitive Behavioral Therapy Intervention for Parents of Children Treated for Cancer: Analysis of Log-Data From the ENGAGE Feasibility Trial.
JMIR Form Res
January 2025
CIRCLE - Complex Intervention Research in Health and Care, Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden.
Background: Parents of children treated for cancer may experience psychological difficulties including depression, anxiety, and posttraumatic stress. Digital interventions, such as internet-administered cognitive behavioral therapy, offer an accessible and flexible means to support parents. However, engagement with and adherence to digital interventions remain a significant challenge, potentially limiting efficacy.
View Article and Find Full Text PDFThe Value and Importance of a Professional Ethical Code for Medicines Development: IFAPP International Ethics Framework.
Pharmaceut Med
January 2025
Pharmaceutical Medicine, Dover Heights, Sydney, NSW, Australia.
Pharmaceutical medicine professionals have to face many ethical problems during the entire life span of new medicines extending from animal studies to broad clinical practice. The primary aim of the general ethical principles governing research conducted in humans is to diminish the physical and psychological burdens of the participants in human drug studies but overlooks many additional social and ethical problems faced by medicine developers. These arise mainly at the interface connecting the profit-oriented pharmaceutical industry and the healthcare-centered medical profession cooperating in medicines development.
View Article and Find Full Text PDFEvaluating the biological impact of shelters on astronaut health during different solar particle events: a Geant4-DNA simulation study.
Radiat Environ Biophys
January 2025
Ionizing and Non-Ionizing Radiation Protection Research Center (INIRPRC), Shiraz University of Medical Sciences, Shiraz, Iran.
Mechanistic Monte Carlo simulations have proven invaluable in tackling complex challenges in radiobiology, for example for protecting astronauts from solar particle events (SPEs) during deep space missions which remains an underexplored area. In this study, the Geant4-DNA Monte Carlo code was used to assess the DNA damage caused by SPEs and evaluate the protective effectiveness of a multilayer shelter. By examining the February 1956 and October 1989 SPEs-two extreme cases-the results showed that the proposed shelter reduced DNA damage by up to 57.
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