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13. Biopolymers produced by treating waste brewer’s yeast with active sludge bacteria : the qualitative analysis and evaluation of the potential for 3D printingGregor Drago Zupančič, Anamarija Lončar, Sandra Budžaki, Mario Panjicko, 2022, original scientific article Keywords: brewers’ yeast, active sludge bacteria, anaerobic digestion, biogas potential, biopolymer, 3D printing Published in RUNG: 01.08.2022; Views: 1569; Downloads: 23 Link to full text This document has many files! More... |
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15. Plastic Waste Precursor-Derived Fluorescent Carbon and Construction of Ternary FCs@CuO@TiO2 Hybrid Photocatalyst for Hydrogen Production and Sensing ApplicationAkansha Metha, Rayees Ahmad Rather, Blaž Belec, Sandra Gardonio, Ming Fang, Matjaž Valant, 2022, original scientific article Abstract: A sustainable nexus between renewable energy production and plastic abatement is imperative for overall sustainable development. In this regard, this study aims to develop a cheaper and environmentally friendly nexus between plastic waste management, wastewater treatment, and renewable hydrogen production. Fluorescent carbon (FCs) were synthesized from commonly used LDPE (low-density polyethylene) by a facile hydrothermal approach. Optical absorption study revealed an absorption edge around 300 nm and two emission bands at 430 and 470 nm. The morphological analysis showed two different patterns of FCs, a thin sheet with 2D morphology and elongated particles. The sheet-shaped particles are 0.5 μm in size, while as for elongated structures, the size varies from 0.5 to 1 μm. The as-synthesized FCs were used for the detection of metal ions (reference as Cu2+ ions) in water. The fluorescence intensity of FCs versus Cu2+ ions depicts its upright analytical ability with a limit of detection (LOD) reaching 86.5 nM, which is considerably lesser than earlier reported fluorescence probes derived from waste. After the sensing of Cu2+, the as-obtained FCs@Cu2+ was mixed with TiO2 to form a ternary FCs@CuO@TiO2 composite. This ternary composite was utilized for photocatalytic hydrogen production from water under 1.5 AM solar light irradiation. The H2 evolution rate was found to be ~1800 μmolg−1, which is many folds compared to the bare FCs. Moreover, the optimized FCs@CuO@TiO2 ternary composite showed a photocurrent density of ~2.40 mA/cm2 at 1 V vs. Ag/AgCl, in 1 M Na2SO4 solution under the illumination of simulated solar light. The achieved photocurrent density corresponds to the solar-to-hydrogen (STH) efficiency of ~0.95%. The efficiency is due to the fluorescence nature of FCs and the synergistic effect of CuO embedded in TiO2, which enhances the optical absorption of the composite by reaching the bandgap of 2.44 eV, apparently reducing the recombination rate, which was confirmed by optoelectronic, structural, and spectroscopic characterizations. Keywords: plastic waste, fluorescent carbo, sensing of metal ions, photocatalytic hydrogen production Published in RUNG: 25.02.2022; Views: 1645; Downloads: 43 Full text (5,98 MB) |
16. Native llama nanobody library panning performed by phage and yeast display provides binders suitable for C-reactive protein detectionSandra Oloketuyi, Robert Alvin Bernedo-Navarro, Andreas Christmann, Justyna Borkowska, Giulia Cazzaniga, Horst Wilhelm Schuchmann, Joanna Niedziółka-Jönsson, Katarzyna Szot-Karpińska, Harald Kolmar, Ario De Marco, 2021, original scientific article Keywords: phage display, yeast display, nanobodies, electrochemical impedance biosensors Published in RUNG: 06.12.2021; Views: 1579; Downloads: 38 Link to full text This document has many files! More... |
17. The role of substrate on thermal evolution of Ag/TiO[sub]2 nanogranular thin filmsVincenzo Balzano, Emanuele Cavaliere, Mattia Fanetti, Sandra Gardonio, Luca Gavioli, 2021, original scientific article Keywords: nanogranular composite thin film, substrate driven properties, morphology, optical absorption, Ag/TiO2 Published in RUNG: 03.12.2021; Views: 1821; Downloads: 136 Link to full text This document has many files! More... |
18. Enhancing the mechanical properties of biodegradable Mg alloys processed by warm HPT and thermal treatmentsAndrea Mizelli-Ojdanic, Jelena Horky, Bernhard Mingler, Mattia Fanetti, Sandra Gardonio, Matjaž Valant, Bartosz Sulkowski, Erhard Schafler, Dmytro Orlov, Michael J. Zehetbauer, 2021, original scientific article Keywords: severe plastic deformation, SPD, precipitates, vacancy agglomerates, magnesium alloys, biodegradability Published in RUNG: 03.12.2021; Views: 1647; Downloads: 44 Link to full text |
19. Topological properties and self-energy effects in elemental YbPolina M. Sheverdyaeva, F. Offi, Sandra Gardonio, Luka Novinec, M. I. Trioni, D. Ceresoli, S. Iacobucci, A. Ruocco, Giovanni Stefani, L. Petaccia, 2021, original scientific article Keywords: electronic structure, topological materials, lanthanides, angle-resolved photoemission spectroscopy Published in RUNG: 03.12.2021; Views: 1751; Downloads: 38 Link to full text This document has many files! More... |
20. Silica coated Bi[sub]2Se[sub]3 topological insulator nanoplatelets : the way of making them colloidally stable but preserving their optical propertiesBlaž Belec, Nina Kostevšek, Sebastjan Nemec, Slavko Kralj, Sandra Gardonio, Mattia Fanetti, Matjaž Valant, 2021, published scientific conference contribution abstract Keywords: topological insulator, optical properties, topological surface states, silica-coated Published in RUNG: 27.09.2021; Views: 2280; Downloads: 0 This document has many files! More... |