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Supported Supramolecular Hydrogel Nanoarchitectonics for Tunable Biocatalytic Flow Activity.
Small
December 2024
Institut Charles Sadron (UPR22), Université de Strasbourg, CNRS, 23 rue du Loess 67034, Cedex 2, Strasbourg, BP84047, France.
Article Synopsis
- Enzymatically-active polyelectrolyte multilayers (AP-PEM) create biocatalytic hydrogels when mixed with the tripeptide Fmoc-FFpY, which result in varying thickness based on the number of layers (n).
- The resulting hydrogels exhibit a dense nanofibrous structure with enzymes organized in specific locations, enhancing both structural integrity and biocatalytic activity over time.
- This enzyme-supported approach allows for controlled bioactivity and successful multi-catalytic processes in continuous flow systems, showcasing its versatility in biocatalysis.
Long-term phosphorus sorption and leaching in sand filters for onsite treatment systems.
Sci Total Environ
August 2022
Department of Sustainable Development, Environmental Science & Engineering, Division of Water and Environmental Engineering, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden.
The sorption capacities of sand filters used for onsite wastewater treatment and their associated risks of phosphorus (P) leaching on contact with rainwater were investigated in column experiments and with modelling tool for over 300 days. Columns packed with sand were exposed to real domestic wastewater of different characteristics and hydraulic loading modes. The wastewater fed into the columns was effluent collected from three different treatment units in the field: a septic tank (ST), biofiltration tank (BF) and Polonite® filter bag (PO).
View Article and Find Full Text PDFTailorable Zinc-Substituted Mesoporous Bioactive Glass/Alginate-Methylcellulose Composite Bioinks.
Materials (Basel)
March 2021
Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus and Faculty of Medicine, Technische Universität Dresden, 01307 Dresden, Germany.
Bioactive glasses have been used for bone regeneration applications thanks to their excellent osteoconductivity, an osteostimulatory effect, and high degradation rate, releasing biologically active ions. Besides these properties, mesoporous bioactive glasses (MBG) are specific for their highly ordered mesoporous channel structure and high specific surface area, making them suitable for drug and growth factor delivery. In the present study, calcium (Ca) (15 mol%) in MBG was partially and fully substituted with zinc (Zn), known for its osteogenic and antimicrobial properties.
View Article and Find Full Text PDFLower serotonin level and higher rate of fibromyalgia syndrome with advancing pregnancy.
J Matern Fetal Neonatal Med
September 2017
f Department of Physical Medicine and Rehabilitation , University of Health Sciences, Ankara Traning and Research Hospital, Ankara , Turkey.
Objective: The aim of the study is to investigate the relationship between changes in serotonin levels during pregnancy and fibromyalgia syndrome (FS) and the relationships between FS and the physical/psychological state, biochemical and hormonal parameters, which may be related to the musculoskeletal system.
Study Design: This study is a prospective case-control study conducted with 277 pregnant women at the obstetric unit of Ankara University Faculty of Medicine, in the period between January and June 2015. FS was determined based on the presence or absence of the 2010 ACR diagnostic criteria and all the volunteers were asked to answer the questionnaires as Fibromyalgia Impact Criteria (FIQ), Widespread Pain Index (WPI), Symptom Severity Scale (SS), Beck Depression Inventory and Visual Analog Scale (VAS).
A microautoradiographic method for fresh-frozen sections to reveal the distribution of radionuclides at the cellular level in plants.
Plant Cell Physiol
June 2014
Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657 Japan.
Microautoradiography (MAR) is a conventional imaging method based on the daguerreotype. The technique is used to visualize the distribution of radionuclide-labeled compounds within a tissue section. However, application of the classical MAR method to plant tissue sections is associated with several difficulties.
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