1. Wood modification using Fast Pyrolysis Bio-Oil (FPBO) : formulation development, characterization, and evaluation of wood performanceAnna Malgorzata Sandak, Faksawat Poohphajai, Amina Selmanović, Rene Alexander Herrera Diaz, Jakub Grzybek, Kelly Peeters, Sasikala Perumal, Edit Földvári-Nagy, Lei Han, Richard Acquah, Jakub Michal Sandak, 2026, original scientific article Abstract: This study presents a wood modification process using Fast Pyrolysis Bio-Oil (FPBO) as a fully biobased alternative to conventional, fossil-based and potentially toxic preservatives such as copper salts, organic biocides, and creosote. Standard FPBO was used in the devel- opment of 10 formulations, which were systematically characterized in terms of pot life, viscosity evolution, density, and pH. Radiata pine samples were subsequently impregnated using a bench-scale reactor, with specimens prepared in multiple geometries to assess treat- ment performance across different dimensions. The modified wood was comprehensively characterized with respect to moisture uptake, dimensional stability, density, mechanical strength, fixation efficiency, biological durability, and VOC emissions. Additional screening focused on properties relevant to outdoor applications, including aesthetic appearance and colour uniformity after UV exposure. The results enabled the identification of three top-performing formulations, treatments H, A, and E, which exhibited the most favourable balance between durability, environmental performance, and structural integrity. Overall, the findings demonstrate the strong potential of FPBO-based impregnation as a sustainable, multifunctional, and high-performance alternative for advanced wood protection systems.
Keywords: wood modification, fast pyrolysis bio-oil (FPBO), durability, bio-based impregnation treatment
Published in RUP: 29.06.2026; Views: 397; Downloads: 6
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3. The valorisation of olive mill wastewater from Slovenian Istria by Fe[sub]3O[sub]4 particles to recover polyphenolic compounds for the chemical specialties sectorKelly Peeters, Ana Miklavčič Višnjevec, Esakkiammal Sudha Esakkimuthu, Matthew Schwarzkopf, Črtomir Tavzes, 2021, original scientific article Keywords: polyphenolic compounds, olive mill wastewater, extraction techniques, Fe3O4 particles, magnetic collection, adsorption and desorption, quantitative and qualitative analysis
Published in RUP: 24.11.2021; Views: 3463; Downloads: 64
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4. HPLC-DAD-qTOF compositional analysis of the phenolic compounds present in crude tomato protein extracts derived from food processingAna Miklavčič Višnjevec, Paul Baker, Kelly Peeters, Matthew Schwarzkopf, Dominik Krienke, Adam Charlton, 2021, original scientific article Keywords: phenolic compounds, HPLC-DAD-qTOF, Solanum lycopersicum L., protein extracts, agricultural residues
Published in RUP: 26.10.2021; Views: 3448; Downloads: 40
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5. Phenolic compounds in agricultural residues from olive, tomato and citrus industriesAna Miklavčič Višnjevec, Kelly Peeters, Esakkiammal Sudha Esakkimuthu, Črtomir Tavzes, Matthew Schwarzkopf, 2021, published scientific conference contribution abstract Keywords: phenolic compound, agricultural residues, olive, tomato, citrus industries
Published in RUP: 26.10.2021; Views: 4618; Downloads: 11
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6. Extraction and identification of polyphenols from spruce bark using HPLC-DAD-ESI-MS/MSEsakkiammal Sudha Esakkimuthu, Ana Miklavčič Višnjevec, Petra Jenuš, Aleksander Učakar, Črtomir Tavzes, David Brian DeVallance, Andreja Kutnar, Kelly Peeters, 2021, published scientific conference contribution abstract Keywords: polyphenols, spruce bark, paper industry
Published in RUP: 26.10.2021; Views: 3790; Downloads: 15
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9. Helichrysum italicum ssp. italicum infusion promotes fat oxidation in hepatocytes and stimulates energy expenditure and fat oxidation after acute ingestion in humans : a pilot studySaša Kenig, Katja Kramberger, Ana Petelin, Dunja Bandelj, Alenka Baruca Arbeiter, Ana Miklavčič Višnjevec, Kelly Peeters, Nina Mohorko, Karin Šik Novak, Zala Jenko Pražnikar, 2021, original scientific article Keywords: Helichrysum italicum, infusion, polyphenols, energy expenditure, fat oxidation, blood pressure, pilot study
Published in RUP: 30.07.2021; Views: 3406; Downloads: 87
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10. Changes in the winter oilseed rape microbiome affected by xanthomonas campestris pv. campestris and biocontrol potential of the indigenous bacillus and pseudomonas isolatesAleksandra Jelušič, Tatjana Popović, Ivica Dimkić, Petar Mitrović, Kelly Peeters, Ana Miklavčič Višnjevec, Črtomir Tavzes, Slaviša Stanković, Tanja Berić, 2021, original scientific article Keywords: Bacillus velezensis, Bacillus megaterium, Pseudomonas orientalis, lipopeptides, volatile organic compounds, metabarcoding
Published in RUP: 16.07.2021; Views: 3473; Downloads: 35
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