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The critical micelle concentration (CMC) is a crucial parameter in understanding the self-assembly behavior of surfactants. In this study, we combine simulation and experiment to demonstrate the predictive capability of molecularly informed field theories in estimating the CMC of biologically based protein surfactants. Our simulation approach combines the relative entropy coarse-graining of small-scale atomistic simulations with large-scale field-theoretic simulations, allowing us to efficiently compute the free energy of micelle formation necessary for the CMC calculation while preserving chemistry-specific information about the underlying surfactant building blocks. We apply this methodology to a unique intrinsically disordered protein platform capable of a wide variety of tailored sequences that enable tunable micelle self-assembly. The computational predictions of the CMC closely match experimental measurements, demonstrating the potential of molecularly informed field theories as a valuable tool to investigate self-assembly in bio-based macromolecules systematically.
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http://dx.doi.org/10.1063/5.0178910 | DOI Listing |
Int J Food Microbiol
December 2024
Food Microbiology Division, Department of Agriculture, Food and the Marine, Backweston Laboratories, Celbridge, Co. Kildare, Ireland.
Thermotolerant Campylobacter spp. are the leading causes of food-borne diarrhoea in humans with most cases attributed to C. jejuni, and C.
View Article and Find Full Text PDFParasit Vectors
December 2024
Department of Parasitology, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, P.O. Box LG 581, Accra, Ghana.
Background: Microsporidia MB disrupts Plasmodium development in Anopheles mosquitoes, making it a possible biocontrol tool for malaria. As a tool for vector/disease control, its ecological distribution and the factors that determine their occurrence must be defined. We investigated the frequency of Microsporidia MB in Anopheles mosquitoes across selected sites in northern and southern Ghana, as well as the physicochemical parameters of mosquito breeding water that are associated with the occurrence of the fungus, by fitting regression models.
View Article and Find Full Text PDFVirchows Arch
December 2024
Department of Gynaecology and Obstetrics, Faculty of Medicine in Plzen, University Hospital Plzen, Charles University, Plzen, Czech Republic.
Molecular classification of endometrial carcinomas (EC) divides these neoplasms into four distinct subgroups based on their molecular background. Given its clinical significance, genetic examination is becoming integral to the diagnostic process. This study aims to share our experience with the molecular classification of EC using immunohistochemistry (IHC) and next-generation sequencing (NGS).
View Article and Find Full Text PDFTrends Neurosci
December 2024
Center for Neuroscience Research, Children's Research Institute, Children's National Hospital, Washington, DC, USA 20010. Electronic address:
Across studied vertebrates, the medial amygdala (MeA) is a central hub for relaying sensory information with social and/or survival relevance to downstream nuclei such as the bed nucleus of stria terminalis (BNST) and the hypothalamus. MeA-driven behaviors, such as mating, aggression, parenting, and predator avoidance are processed by different molecularly defined inhibitory and excitatory neuronal output populations. Work over the past two decades has deciphered how diverse MeA neurons arise from embryonic development, revealing contributions from multiple telencephalic and diencephalic progenitor domains.
View Article and Find Full Text PDFClin Oral Investig
December 2024
Department of Surgical Sciences, C.I.R. Dental School, University of Turin, Turin, Italy.
Objectives: The aim of the present study was to evaluate salivary gland function and oral health status in Osteogenesis imperfecta (OI) children, comparing to a control group, and to investigate the possible influence of bisphosphonate (BP) treatment.
Materials And Methods: Patients aged 8-15 years with any OI molecularly confirmed and gender-matched healthy control were consecutively recruited at the Section of Pediatric Dentistry (Dental School-University of Turin). Comprehensive dental examinations were conducted to evaluate carious lesions, plaque and gingival index, stimulated saliva flow rate, pH, and buffer capacity.
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