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Pointe Assessment Screen Shah Edison (PASSE) for Pointe Readiness: A Pilot Study.
J Dance Med Sci
December 2024
Children's Hospital Los Angeles, Keck School of Medicine of USC, Los Angeles, CA, USA.
As demanding as dancing en pointe is, no universal standard exists to determine when a ballet dancer is ready to advance to this next level. The goal of this study was to provide preliminarily tested and reliable guidelines for a screening tool that can be used to determine (1) if a dancer is ready for pointe, (2) reasons why a dancer may not be ready, and (3) areas for improvement to guide training and preparation. Seventeen dancers aged 9 to 17 years with a minimum 4 years of ballet and who were either possibly ready for pointe or had been in pointe class less than 3 months participated in this study.
View Article and Find Full Text PDFA Process- and Status-Centered Approach to Educational Identity Development in Late Adolescence: The Importance for Well-Being.
J Pers
December 2024
Department of Youth and Family, Utrecht University, Tilburg, The Netherlands.
Objective: During late adolescence, adolescents' educational identity may be especially salient as they need to make important decisions regarding their education around the transition from secondary school to tertiary education. The way adolescents shape their identity during this period may have important implications for their academic functioning and psychological well-being.
Method: In the present study, we used four half-yearly measurements of educational identity from 208 Dutch adolescents (M = 17.
Free Energy-Based Refinement of DNA Force Field via Modification of Multiple Nonbonding Energy Terms.
J Chem Inf Model
December 2024
Department of Chemistry and Institute of Functional Materials, Pusan National University, Busan 46241, South Korea.
The amber-OL21 force field (ff) was developed to better describe noncanonical DNA, including Z-DNA. Despite its improvements for DNA simulations, this study found that OL21's scope of application was limited by embedded ff artifacts. In a benchmark set of seven DNA molecules, including two double-stranded DNAs transitioning between B- and Z-DNA and five single-stranded DNAs folding into mini-dumbbell or G-quadruplex structures, the free energy landscapes obtained using OL21 revealed several issues: Z-DNA was overly stabilized; misfolded states in mini-dumbbell DNAs were most stable; DNA GQ folding was consistently biased toward an antiparallel topology.
View Article and Find Full Text PDFTrehalose Cryopreservation of Human Mesenchymal Stem Cells from Cord Tissue.
Biopreserv Biobank
December 2024
Coordinating Node, Andalusian Public Health System Biobank, Granada, Spain.
Adequate hypothermic storage of human mesenchymal stem cells (hMSCs) is of fundamental importance since they have been explored in several regenerative medicine initiatives. However, the actual clinical application of hMSCs necessitates hypothermic storage for long periods, a process that requires the use of non-toxic and efficient cryo-reagents capable of maintaining high viability and differentiating properties after thawing. Current cryopreservation methods are based on cryoprotectant agents (CPAs) containing dimethylsulphoxide (DMSO), which have been shown to be toxic for clinical applications.
View Article and Find Full Text PDFDevelopment of Highly Stretchable Ag-MWCNT Composite for Screen-Printed Textile Electronics with Improved Mechanical and Electrical Properties.
Nanotechnol Sci Appl
December 2024
Institute of Mechanics and Printing, Faculty of Mechanical and Industrial Engineering, Warsaw University of Technology, Warsaw, Poland.
Introduction: The rapid growth of flexible and wearable electronics has created a need for materials that offer both mechanical durability and high conductivity. Textile electronics, which integrate electronic pathways into fabrics, are pivotal in this field but face challenges in maintaining stable electrical performance under mechanical strain. This study develops highly stretchable silver multi-walled carbon nanotube (Ag-MWCNT) composites, tailored for screen printing and heat-transfer methods, to address these challenges.
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