Explanipedia

Tuning casein coagulation and structure: Exploring the effects of ionic strength and glycerol Open

Davood Kolahreez, Laleh Ghasemi‐Mobarakeh, Farzaneh Alihosseini, Felice Quartinello, Georg M. Guebitz , et al. · 2025

Casein-based materials offer a sustainable platform for advanced biomaterials, yet the impact of ionic strength on their macroscopic structure and properties remains largely unexplored. This study investigates the coagulation (and gelation…

Novel method for additive manufacturing of biobased walls using electromagnetic heating and industrial robots Open

Bernhard Reinholz, Lena Holzer, Sara Reichenbach, Matthias Braun, Roman Myna , et al. · 2025

Introducing the Circular Lignin-Polysaccharide Board (CLIPboard): Advancing Recycling Options for a Sustainable Circular Economy in the Wood Industry Open

Raphaela Hellmayr, Rupert Wimmer, Roman Myna, Falk Liebner · 2025

Particleboards, medium-density fibreboards or oriented strandboards have become an integral part of the construction sector in the last decades, greatly contributing to the current transition towards a more bio-based circular economy. Howe…

Lignin Polyurethane Aerogels: Influence of Solvent on Textural Properties Open

Razan Altarabeen, D. S. Rusakov, Erik Manke, Lara Gibowsky, Baldur Schroeter , et al. · 2024

This study explores the innovative potential of native lignin as a sustainable biopolyol for synthesizing polyurethane aerogels with variable microstructures, significant specific surface areas, and high mechanical stability. Three types o…

Characterization of MSC Growth, Differentiation, and EV Production in CNF Hydrogels Under Static and Dynamic Cultures in Hypoxic and Normoxic Conditions Open

Ilias Nikolits, Farhad Chariyev‐Prinz, Dominik Egger, Falk Liebner, Nicolas Mytzka , et al. · 2024

Mesenchymal stem cells (MSCs) hold immense therapeutic potential due to their regenerative and immunomodulatory properties. However, to utilize this potential, it is crucial to optimize their in vitro cultivation conditions. Three-dimensio…

BioMOF@cellulose Glycerogel Scaffold with Multifold Bioactivity: Perspective in Bone Tissue Repair Open

Albert Rosado, Alejandro Borrás, Miguel Sánchez‐Soto, Magdaléna Labíková, Hubert Hettegger , et al. · 2024

The development of new biomaterials for musculoskeletal tissue repair is currently an important branch in biomedicine research. The approach presented here is centered around the development of a prototypic synthetic glycerogel scaffold fo…

Characterization of MSC Growth, Differentiation, and EV Production in CNF Hydrogels under Static and Dynamic Cultures in Hypoxic and Normoxic Conditions Open

Ilias Nikolits, Farhad Chariyev‐Prinz, Dominik Egger, Falk Liebner, Nicolas Mytzka , et al. · 2024

Mesenchymal stem cells (MSCs) hold immense therapeutic potential due to their regenerative and immunomodulatory properties. However, to utilize this potential, it is crucial to optimize their in vitro cultivation conditions. Three-dimensio…

Approaches to Control and Monitor Protease Levels in Chronic Wounds Open

Davood Kolahreez, Laleh Ghasemi‐Mobarakeh, Falk Liebner, Farzaneh Alihosseini, Felice Quartinello , et al. · 2024

Some wounds do not follow the typical healing trajectory and show very little, if any, progress. They dreadfully threaten the patients' quality of life and may even lead to limb amputation and death. Several interrelated systemic and local…

Multifunctional Casein-Based Wound Dressing Capable of Monitoring and Moderating the Proteolytic Activity of Chronic Wounds Open

Davood Kolahreez, Laleh Ghasemi‐Mobarakeh, Felice Quartinello, Falk Liebner, Georg M. Guebitz , et al. · 2024

Every 1.2 s, a diabetic foot ulcer is developed, and every 20 s, one amputation is carried out in diabetic patients. Monitoring and controlling protease activity have been considered as a strategy for more efficient management of diabetic …

Facile chemical hydrophobization of thin-layer plates by vapor deposition of methyltrimethoxysilane for reversed-phase chromatography Open

Julien Jaxel, Alice Merio, Nadine Kohlhuber, Marco Beaumont, Rupert Wimmer , et al. · 2023

Reversed-phase chromatography is based on a polar mobile phase and an apolar stationary phase. This separation mode is regularly used in planar (thin-layer) chromatography, and the necessary plates are commercially available. We investigat…

Hemocompatibility of cellulose phosphate aerogel membranes with potential use in bone tissue engineering Open

Christian B. Schimper, Paul Pachschwöll, Manfred F. Maitz, Carsten Werner, Thomas Rosenau , et al. · 2023

Cellulose is an appealing material for tissue engineering. In an attempt to overcome some obstacles with cellulose II cell scaffolding materials related to insufficient biomineralization, lack of micron-size porosity, and deficiency in sur…

Partial Replacement of Cationic Starch by Cationic Hardwood Kraft Lignin Does Not Compromise Key Paper Properties Open

Patrícia I. F. Pinto, Paula Pinto, Dmitry V. Evtuguin, Falk Liebner · 2023

Competition issues with food industry have recently boosted the exploration of alternative solutions capable of replacing starch in papermaking to a certain extent. Covalent grafting of quaternary ammonium groups onto LignoBoost® Eucalyptu…

Hydrogels from TEMPO-Oxidized Nanofibrillated Cellulose Support In Vitro Cultivation of Encapsulated Human Mesenchymal Stem Cells Open

Ilias Nikolits, Sara M. Radwan, Falk Liebner, W. Dietrich, Dominik Egger , et al. · 2023

Mesenchymal stem cells (MSCs) are the most prominent type of adult stem cells for clinical applications. Three-dimensional (3D) cultivation of MSCs in biomimetic hydrogels provides a more physiologically relevant cultivation microenvironme…

Modification of Paper Surface by All-Lignin Coating Formulations Open

Patrícia I. F. Pinto, Sandra Magina, Sara Fateixa, Paula Pinto, Falk Liebner , et al. · 2022

All-lignin coating formulations were prepared while combining water-soluble cationic kraft lignin (quaternized LignoBoost®, CL) and anionic lignosulphonate (LS). The electrostatic attraction between positively charged CL and negatively cha…

Triboelectric surface field strength of wood after brushing Open

Lena Maria Leiter, Roman Myna, Stephan Frömel-Frybort, Falk Liebner, Rupert Wimmer · 2022

Mechanical friction causes electrical surface charges on wooden surfaces. In this research, triboelectric activation of solid wood surfaces was investigated by using a wood brushing machine. The extent of activation and the potential influ…

Heat bonding of wood with starch-lignin mixtures creates new recycling opportunities Open

Raphaela Hellmayr, Milan Šernek, Roman Myna, Sara Reichenbach, Benjamin Kromoser , et al. · 2022

Engineered wood products are a meaningful approach to overcome some limitations inherent to wood, such as inhomogeneity and dimensional constraints. Wood adhesives play a key role in this concept; however, their bonding chemistry hitherto …

Cationization of Eucalyptus Kraft LignoBoost Lignin: Preparation, Properties, and Potential Applications Open

Patrícia I. F. Pinto, Sandra Magina, Enkhjargal Budjav, Paula Pinto, Falk Liebner , et al. · 2022

Current changes toward a more biobased economy have recently created tremendous renewed interest in using lignin as a valuable source for chemicals and materials. Here, we present a facile cationization approach aiming to impart kraft lign…

Enzymatic Conversion of Lignosulfonate into Wood Adhesives: A Next Step towards Fully Biobased Composite Materials Open

Raphaela Hellmayr, Sabrina Bischof, Jasmin Wühl, Georg M. Guebitz, Gibson S. Nyanhongo , et al. · 2022

This study investigates the effect of the enzymatic polymerization of lignosulfonate for the formulation of a lignosulfonate-based adhesive. For this, beech lamellas were glued together and tested according to the EN 302-1 standard. The re…

Synthesis and characterization of TEMPO-oxidized peptide-cellulose conjugate biosensors for detecting human neutrophil elastase Open

Robert T. Mackin, Krystal R. Fontenot, J. Vincent Edwards, Nicolette T. Prevost, Casey C. Grimm , et al. · 2022

Here we describe the synthesis and characterization of a peptide-cellulose conjugate biosensor based on TEMPO-oxidized nanofibrillated cellulose (tNFC) for detecting elevated levels of human neutrophil elastase (HNE) in chronic wounds. The…

Can Surface Coating of Circular Saw Blades Potentially Reduce Dust Formation? Open

Roman Myna, Raphaela Hellmayr, Maria Georgiades, Lena Maria Leiter, Stephan Frömel-Frybort , et al. · 2021

Coating of steel is a frequently applied approach to increase the resistance of moving machine parts towards abrasion, surface oxidation, and corrosion. Here, we show that plating circular saw blades with certain metals can help to reduce …

False Morphology of Aerogels Caused by Gold Coating for SEM Imaging Open

Laura Juhász, Krisztián Moldován, Pavel Gurikov, Falk Liebner, István Fábián , et al. · 2021

The imaging of non-conducting materials by scanning electron microscopy (SEM) is most often performed after depositing few nanometers thick conductive layers on the samples. It is shown in this work, that even a 5 nm thick sputtered gold l…

Biorefinery Approach for Aerogels Open

Tatiana Budtova, Daniel Aguilera, Sergejs Beļuns, Linn Berglund, Coraline Chartier , et al. · 2020

According to the International Energy Agency, biorefinery is “the sustainable processing of biomass into a spectrum of marketable bio-based products (chemicals, materials) and bioenergy (fuels, power, heat)”. In this review, we survey how …

Improving single-step scCO2 dyeing of wood by DMSO-induced micro-swelling Open

Julien Jaxel, Claudia Gusenbauer, Stefan Böhmdorfer, Falk Liebner, Christian Hansmann · 2020

Supercritical dyeing of wood is a smart green technology. Beyond being of interest to wood industry, it could help to preserve tropical forests and decrease the environmental pollution from overseas shipping. However, scCO2 dyeing is still…

Aerogels from Cellulose Phosphates of Low Degree of Substitution: A TBAF·H2O/DMSO Based Approach Open

Christian B. Schimper, Paul Pachschwoell, Hubert Hettegger, Marie‐Alexandra Neouze, Jean‐Marie Nédélec , et al. · 2020

Biopolymer aerogels of appropriate open-porous morphology, nanotopology, surface chemistry, and mechanical properties can be promising cell scaffolding materials. Here, we report a facile approach towards the preparation of cellulose phosp…

Solvent-Free Dyeing of Solid Wood in Water-Saturated Supercritical Carbon Dioxide Open

Julien Jaxel, Falk Liebner, Christian Hansmann · 2020

Coloring of massive wood is still a major challenge in high-end wood processing, which aims to provide solid wood at a broad range of colors to furniture manufacturers. Here we report that water-saturation of supercritical carbon dioxide (…

CCDC 1877294: Experimental Crystal Structure Determination Open

ulien Jaxel, H.H. Amer, Markus Bacher, Alexander Roller, Matthias Guggenberger , et al. · 2020

Anisotropic nanocellulose gel–membranes for drug delivery: Tailoring structure and interface by sequential periodate–chlorite oxidation Open

Sven F. Plappert, Falk Liebner, Johannes Konnerth, Jean‐Marie Nédélec · 2019

Chemical versus physical grafting of photoluminescent amino-functional carbon dots onto transparent nematic nanocellulose gels and aerogels Open

Sakeena Quraishi, Sven F. Plappert, Thomas Grießer, Wolfgang Gindl‐Altmutter, Falk Liebner · 2019

Transparent matrices of low refractive index are promising carriers for photoluminescent nanoparticles targeting true volumetric 3D display applications. Complementation of transparency with a highly open-porous nanomorphology renders resp…

An Opinion Paper on Aerogels for Biomedical and Environmental Applications Open

Carlos A. García‐González, Tatiana Budtova, Luísa Durães, Can Erkey, Pasquale Del Gaudio , et al. · 2019

Aerogels are a special class of nanostructured materials with very high porosity and tunable physicochemical properties. Although a few types of aerogels have already reached the market in construction materials, textiles and aerospace eng…

Full-color-emitting (CuInS2)ZnS-alloyed core/shell quantum dots with trimethoxysilyl end-capped ligands soluble in an ionic liquid Open

Huiqing Wang, Jiayuan Hu, Min Zhu, Yucheng Li, Hao Qian , et al. · 2019

ZCIS QDs were fabricated by varying ratio stock A to stock B. PL intensity enhanced and blue shift as shell layers increase. Emissions covering 800 nm to 518 nm tuned by compositions or shell layers. Ligand exchanged by MPtMS enable solubi…

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