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Dr. Gregor Kravanja
Faculty of Chemistry and Chemical Engineering, University of Maribor, Maribor, Slovenia
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Representative Publications
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Journal Article
GKGregor Kravanja
Gregor KravanjaMPMateja Primožič
Mateja Primožič
Željko KnezMLMaja Leitgeb
Maja LeitgebChitosan-based nanomaterials have attracted significant attention in the biomedical field because of their unique biodegradable, biocompatible, non-toxic, and antimicrobial nature. Multiple perspectives of the proposed antibacterial effect and mode of action of chitosan-based nanomaterials are reviewed. Chitosan is presented as an ideal biomaterial for antimicrobial wound dressings that can either be fabricated alone in its native form or upgraded and incorporated with antibiotics, metallic antimicrobial particles, natural compounds and extracts in order to increase the antimicrobial effect. Since chitosan and its derivatives can enhance drug permeability across the blood-brain barrier, they can be also used as effective brain drug delivery carriers. Some of the recent chitosan formulations for brain uptake of various drugs are presented. The use of chitosan and its derivatives in other biomedical applications is also briefly discussed.
1 December 2016 in Energy
Journal Article
Journal Article
GKGregor Kravanja
Gregor KravanjaAMAhmad Rizwan Mumtaz
Ahmad Rizwan Mumtaz
Stojan KravanjaThe article presents the progress and applications of ultra-high-performance concrete (UHPC), a revolutionary material in modern construction that offers unparalleled strength, durability, and sustainability. The overview includes the historical development of UHPC, covering its production and design aspects, including composition and design methodology. It describes the mechanical properties and durability of UHPC and highlights recent innovations and research breakthroughs. The potential integration of multifunctional properties such as self-heating, self-sensing, self-luminescence and superhydrophobicity, is explored. In addition, advances in nanotechnology related to UHPC are addressed. Beyond the actual material properties, the article presents an environmental impact assessment and a life-cycle cost analysis, providing an insight into the wider implications of using UHPC. To illustrate the environmental aspects, the determination of CO2 emissions is explained using three numerical examples. Finally, various applications of UHPC are presented, focusing on the construction of buildings and bridges. By synthesizing the above-mentioned aspects, this review paper captures the dynamic landscape of UHPC and serves as a valuable resource for researchers and engineers in the field of construction materials.
1 June 2018 in Energy
Journal Article
GKGregor Kravanja
Gregor KravanjaGZGašper Zajc
Gašper Zajc
Željko KnezMŠMojca Škerget
Mojca Škerget
SMSimon Marčič
Simon Marčič
MKMaša H. Knez
Maša H. Knez
1 February 2016 in The Journal of Supercritical Fluids
Journal Article
GKGregor Kravanja
Gregor KravanjaMHMaša Knez Hrnčič
Maša Knez Hrnčič
MŠMojca Škerget
Mojca Škerget
Željko Knez30 November 2021 in Advanced Engineering Materials
Journal Article
GKGregor Kravanja
Gregor KravanjaRGRegina Fuchs Godec
Regina Fuchs Godec
MRMartin Rozman
Martin Rozman
RRRebeka Rudolf
Rebeka Rudolf
AIAndrej Ivanič
Andrej Ivanič
About Me
Asst. Prof. Dr. Gregor Kravanja, an assistant professor at the University of Maribor, holds a Ph.D. in Chemical Engineering, awarded on May 15, 2018. Since then, he has demonstrated exceptional leadership and management skills through his involvement in numerous research and industrial projects, as well as expert decisions in materials science, chemical engineering, and civil engineering. Dr. Kravanja has authored over 25 high-impact scientific papers in the fields of construction materials, advanced materials, and supercritical technologies, achieving an h-index of 11 (Scopus, without self-citations) and more than 650 citations. Recently, he has been actively building a young and dynamic research team specializing in innovative solutions for building materials, with Ph.D. students conducting groundbreaking research under his mentorship. He has also been a guest lecturer and researcher at prestigious institutions, including the University of Genova (Italy), the University of Valencia (Spain), and the University of Rijeka (Croatia). Furthermore, he is an active member of RILEM (International Union of Laboratories and Experts in Construction Materials, Systems, and Structures) and serves as a guest editor for the Journal of Composites Science (MDPI, ISSN: 2504-477X), a Scopus-indexed journal focused on the science and technology of composite materials.