Publications by authors named "M Vollrath"

Article Synopsis
  • Hair follicles are being studied as effective delivery systems for drugs to enhance skin penetration, utilizing the ratchet effect created by interactions between hair shafts, the outer skin layer, and nanoparticles.
  • Research showed that adding nanoparticles to formulations allows for deeper transport of small and large molecules into hair follicles, with a focus on fluorescein sodium as a model drug.
  • A 4% nanoparticle concentration significantly improved drug transport efficiency compared to 2%, while increasing to 8% did not enhance penetration depth, and 4 Hz circular motion massage proved more effective than 100 Hz oscillating massage for optimal delivery.
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  • Scientists studied how children's early temperament (how they naturally behave) connects to their personality as they grow up.
  • They looked at data from over 26,000 twins, siblings, and cousins to find out what traits are influenced by genes.
  • They discovered two main groups of personality traits: one is about being stable and calm, and the other is about being flexible and social.
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Problem: Previous research on cyclists' route evaluations and preferences already identified influencing factors and relevant evaluation criteria, but studies mostly focused on selected aspects like safety or comfort. This study examined the evaluation of routes more comprehensively considering five evaluation criteria, and further aims to compare the evaluation with the preference of routes. For this, we used the experimental approach of a bicycle simulator.

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  • During COVID-19, informal caregivers faced increased responsibilities while support systems became less accessible, impacting their psychosocial well-being.
  • A study analyzed changes in psychological well-being and loneliness among caregivers and non-caregivers through multiple stages of the pandemic, using data from nearly 15,000 participants in Norway.
  • Results indicated that caregivers had consistently lower well-being compared to non-caregivers, with significant increases in anxiety and worry during peak pandemic periods, particularly affecting those providing more intensive care or facing health challenges.
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The front seat passenger is often neglected when developing support systems for cars. There exist few examples of systems that provide information or interaction possibilities specifically to those passengers. Previous research indicated that the passive role of the passenger can frequently lead to a feeling of discomfort, potentially caused by missing information and missing control with respect to the driving situation.

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