Biochemical and physiological principles of biological sealing are presented. Various methods of application of biological seal and indications for its use in otorhinolaryngology are discussed.
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Mesoscale modelling of fibrin clots: the interplay between rheology and microstructure at the gel point.
Soft Matter
January 2025
Basque Center for Applied Mathematics (BCAM), Alameda de Mazarredo 14, Bilbao 48009, Spain.
This study presents a numerical model for incipient fibrin-clot formation that captures characteristic rheological and microstructural features of the clot at the gel point. Using a mesoscale-clustering framework, we evaluate the effect of gel concentration or gel volume fraction and branching on the fractal dimension, the gel time, and the viscoelastic properties of the clots. We show that variations in the gel concentration of our model can reproduce the effect of thrombin in the formation of fibrin clots.
View Article and Find Full Text PDFEngineering Highly Aligned and Densely Populated Cardiac Muscle Bundles via Fibrin Remodeling in 3D-Printed Anisotropic Microfibrous Lattices.
Adv Mater
January 2025
State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, 710049, P. R. China.
Replicating the structural and functional features of native myocardium, particularly its high-density cellular alignment and efficient electrical connectivity, is essential for engineering functional cardiac tissues. Here, novel electrohydrodynamically printed InterPore microfibrous lattices with anisotropic architectures are introduced to promote high-density cellular alignment and enhanced tissue interconnectivity. The interconnected pores in the microfibrous lattice enable dynamic, cell-mediated remodeling of fibrous hydrogels, resulting in continuous, mechanically stable tissue bundles.
View Article and Find Full Text PDFBackground: Research on heart injury caused by COVID-19 is limited to large observational and retrospective cohort studies using imaging or pathological data. Reported changes in the levels of myocardial markers in severe diseases have been limited, with few studies on mild infections. The effects of COVID-19 on cardiac function and changes in myocardial marker levels have not yet been reported.
View Article and Find Full Text PDFIntegrating biomarkers for hemostatic disorders into computational models of blood clot formation: A systematic review.
Math Biosci Eng
December 2024
Laboratory of Optimization, Design, and Advanced Control, School of Chemical Engineering, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil.
In the pursuit of personalized medicine, there is a growing demand for computational models with parameters that are easily obtainable to accelerate the development of potential solutions. Blood tests, owing to their affordability, accessibility, and routine use in healthcare, offer valuable biomarkers for assessing hemostatic balance in thrombotic and bleeding disorders. Incorporating these biomarkers into computational models of blood coagulation is crucial for creating patient-specific models, which allow for the analysis of the influence of these biomarkers on clot formation.
View Article and Find Full Text PDFTreatment of gingival recession with vestibular incision subperiosteal tunnel access and advanced platelet-rich fibrin.
BMC Oral Health
January 2025
Oral Medicine, Periodontology, Diagnosis and Oral Radiology Department, Faculty of Dentistry, Mansoura University, Mansoura, 33516, Egypt.
Objectives: The current literature about the effect of advanced platelet rich fibrin(A-PRF) with vestibular incision subperiosteal tunnel access (VISTA) technique in treating gingival recession is scarce. Therefore, the aim of the current randomized clinical trial is to evaluate the effect of A-PRF with VISTA technique in the treatment of Cairo class 1 gingival recession (RT1).
Methods: Twenty-four patients who met the eligibility criteria were randomly allocated into two groups.
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