Šarūnas Varnagiris

2026

• Ahmed Hosney, Marius Urbonavičius, Šarūnas Varnagiris, Ilja Ignatjev, Johanna Bolaños-Zuñiga, Donata Drapanauskaitė, Sana Ullah, Karolina Barčauskaitė. Optimizing Chitosan Extraction and Characterization from Shrimp Shells: Deproteinization and Exploratory Machine Learning-Based Similarity Model , ChemEngineering — DOI: 10.3390/chemengineering10050056
• Šarūnas Varnagiris, Marius Urbonavičius, Simona Tučkutė, Vishnu Radhakrishnan Nair, Ainars Knoks, Liga Grinberga, Raitis Kaspars Sika, Brigita Kmet, Danjela Kuscer. Investigation of Coked Catalyst Regeneration via Non-Thermal Plasma Treatment and Its Reuse for Hydrogen Production from Methane Pyrolysis , Molecules — DOI: 10.3390/molecules31101733

2024

• R. Sereika, Š. Varnagiris, M. Urbonavičius, R. Žaltauskas, D. Milčius. Synthesis and properties of quasi-one-dimensional BiSBr crystals via the Bridgman-Stockbarger technique , Journal of Crystal Growth — DOI: 10.1016/j.jcrysgro.2024.127816
• Donata Drapanauskaitė, Karolina Barčauskaitė, Kristina Bunevičienė, Marius Urbonavičius, Šarūnas Varnagiris, Jonas Baltrusaitis. Recovery of nutrients from biofuel ash via organic acid-facilitated solid-liquid extraction , Chemosphere — DOI: 10.1016/j.chemosphere.2024.142945
• Marius Urbonavicius, Sarunas Varnagiris, Ansis Mezulis, Peteris Lesnicenoks, Ainars Knoks, Christiaan Richter, Darius Milcius, Rauan Meirbekova, Gudmundur Gunnarsson, Janis Kleperis. Hydrogen from industrial aluminium scraps: Hydrolysis under various conditions, modelling of pH behaviour and analysis of reaction by-product , International Journal of Hydrogen Energy — DOI: 10.1016/j.ijhydene.2023.09.065
• Sarunas Varnagiris, Marius Urbonavicius, Ainars Knoks, Darius Milcius. Enhanced hydrogen generation in low-range acidic solutions using Mg2NiH4 powders and their mixtures ball-milled with NaCl and fused silica , International Journal of Hydrogen Energy — DOI: 10.1016/j.ijhydene.2023.10.083
• R. Skvorčinskienė, M. Urbonavičius, L. Vorotinskienė, M. Bašinskas, K. Zakarauskas, M. Maziukienė, N. Striūgas, P. Buidovas, D. Milčius, Š. Varnagiris. Application of TiH2 dehydrogenation for vapour layer formation under boiling crisis conditions , Applied Thermal Engineering — DOI: 10.1016/j.applthermaleng.2024.122935

2023

• Martynas Lelis, Simona Tuckute, Marius Urbonavicius, Sarunas Varnagiris, Sandra Sakalauskaite, Rimantas Daugelavicius. C-TiO2+Ni and ZnO+Ni Magnetic Photocatalyst Powder Synthesis by Reactive Magnetron Sputtering Technique and Their Application for Bacteria Inactivation , Inorganics — DOI: 10.3390/inorganics11020059
• Ansis Mezulis, Christiaan Richter, Peteris Lesnicenoks, Ainars Knoks, Sarunas Varnagiris, Marius Urbonavicius, Darius Milcius, Janis Kleperis. Studies on Water–Aluminum Scrap Reaction Kinetics in Two Steps and the Efficiency of Green Hydrogen Production , Energies — DOI: 10.3390/en16145554
• Martynas Lelis, Simona Tuckute, Marius Urbonavicius, Sarunas Varnagiris, Emilija Demikyte. Non-Conventional Synthesis and Repetitive Application of Magnetic Visible Light Photocatalyst Powder Consisting of Bi-Layered C-Doped TiO2 and Ni Particles , Catalysts — DOI: 10.3390/catal13010169

2022

• Barauskienė, I., Valatka, E., Varnagiris, Š., Urbonavičius, M.. Copper-Cobalt Oxides on FTO Substrate for Electrocatalytic and Pseudocapacitive Applications , Electrocatalysis — DOI: 10.1007/s12678-022-00720-y
• Urbonavicius, M., Varnagiris, S., Tuckute, S., Sakalauskaite, S., Demikyte, E., Lelis, M.. Visible-Light-Driven Photocatalytic Inactivation of Bacteria, Bacteriophages, and Their Mixtures Using ZnO-Coated HDPE Beads as Floating Photocatalyst , Materials — DOI: 10.3390/ma15041318
• Tuckute, S., Varnagiris, S., Urbonavicius, M., Demikyte, E., Bockute, K., Lelis, M.. Structure and Photocatalytic Activity of Copper and Carbon-Doped Metallic Zn Phase-Rich ZnO Oxide Films , Catalysts — DOI: 10.3390/catal12010060
• V. Abromaitis, J. Svaikauskaite, A. Sulciute, D. Sinkeviciute, N. Zmuidzinaviciene, S. Misevicius, M. Tichonovas, I. Urniezaite, D. Jankunaite, M. Urbonavicius, S. Varnagiris, R. Dzingeleviciene, K. Baranauskis, D. Martuzevicius. Ozone-enhanced TiO2 nanotube arrays for the removal of COVID-19 aided antibiotic ciprofloxacin from water: Process implications and toxicological evaluation , Journal of Environmental Management — DOI: 10.1016/j.jenvman.2022.115515
• Raimundas Sereika, Raimundas Žaltauskas, Šarūnas Varnagiris, Marius Urbonavičius, Fuyang Liu, Yang Ding, Darius Milčius. On the structure of SbTeI , arXiv — DOI: 10.48550/ARXIV.2206.08285

2021

• Varnagiris, S., Urbonavicius, M., Sakalauskaite, S., Demikyte, E., Tuckute, S., Lelis, M.. Photocatalytic inactivation of salmonella typhimurium by floating carbon-doped tio₂ photocatalyst , Materials — DOI: 10.3390/ma14195681
• Ščajev, P., Soriūtė, V., Kreiza, G., Nargelas, S., Dobrovolskas, D., Malinauskas, T., Subačius, L., Onufrijevs, P., Varnagiris, S., Cheng, H.-H.. Temperature and spatial dependence of carrier lifetime and luminescence intensity in Ge_0.95Sn_0.05 layer , Materials Science and Engineering B: Solid-State Materials for Advanced Technology — DOI: 10.1016/j.mseb.2021.115204
• Urbonavicius, M., Varnagiris, S., Sakalauskaite, S., Demikyte, E., Tuckute, S., Lelis, M.. Application of floating tio2 photocatalyst for methylene blue decomposition and salmonella typhimurium inactivation , Catalysts — DOI: 10.3390/catal11070794
• Varnagiris, S., Urbonavicius, M., Tuckute, S., Lelis, M.. Formation of Zn-rich ZnO films with improved bulk and surface characteristics by approach of magnetron sputtering technique , Thin Solid Films — DOI: 10.1016/j.tsf.2021.138967
• Medvids, A., Onufrijevs, P., Kaupužs, J., Eglitis, R., Padgurskas, J., Zunda, A., Mimura, H., Skadins, I., Varnagiris, S.. Anatase or rutile TiO₂ nanolayer formation on Ti substrates by laser radiation: Mechanical, photocatalytic and antibacterial properties , Optics and Laser Technology — DOI: 10.1016/j.optlastec.2020.106898
• Ščajev, P., Onufrijevs, P., Mekys, A., Malinauskas, T., Augulis, D., Subačius, L., Lee, K.-C., Kaupuzs, J., Varnagiris, S., Medvids, A., Hsiang Cheng, H.. Extension of spectral sensitivity of GeSn IR photodiode after laser annealing , Applied Surface Science — DOI: 10.1016/j.apsusc.2021.149711
• Varnagiris, S., Urbonavicius, M.. Hydrogen generation kinetics via hydrolysis of Mg₂Ni and Mg₂NiH₄ powders , International Journal of Hydrogen Energy — DOI: 10.1016/j.ijhydene.2021.08.139
• Varnagiris, S., Urbonavičius, M., Sakalauskaitė, S., Demikyte, E., Tuckute, S.. Floating carbon-doped tio₂ photocatalyst with metallic underlayers investigation for polluted water treatment under visible-light irradiation , Catalysts — DOI: 10.3390/catal11121454
• Mohamed, A., Yousef, S., Ali, S., Sriubas, M., Varnagiris, S., Tuckute, S., Abdelnaby, M.A., Kamel, B.M.. Highly efficient visible light photodegradation of cr(Vi) using electrospun mwcnts-fe3o4@pes nanofibers , Catalysts — DOI: 10.3390/catal11070868
• Demikyte, E., Sakalauskaite, S., Kuliesiene, N., Tuckute, S., Urbonavicius, M., Varnagiris, S., Daugelavicius, R., Lelis, M.. Ni Underlayer Effect for the Structure Development and Visible Light Photocatalytic Efficiency of Carbon-Doped TiO₂Film , Environmental and Climate Technologies — DOI: 10.2478/rtuect-2021-0078
• Vasiliauske, D., Sakalauskaite, S., Kuliesiene, N., Tuckute, S., Urbonavicius, M., Varnagiris, S., Daugelavicius, R., Lelis, M.. Synergistic Generation of Reactive Oxygen Species by Visible Light Activated TiO₂and S. Enterica Interaction , Environmental and Climate Technologies — DOI: 10.2478/rtuect-2021-0074

2020

• Lelis, M., Varnagiris, S., Urbonavicius, M., Zakarauskas, K.. Investigation of catalyst development from mg₂nih₄ hydride and its application for the co₂ methanation reaction , Coatings — DOI: 10.3390/coatings10121178
• Urbonavicius, M., Varnagiris, S., Pranevicius, L., Milcius, D.. Production of gamma alumina using plasma-treated aluminum and water reaction byproducts , Materials — DOI: 10.3390/ma13061300
• Kuliesiene, N., Sakalauskaite, S., Tuckute, S., Urbonavicius, M., Varnagiris, S., Daugelavicius, R., Lelis, M.. TiO₂Application for the Photocatalytical Inactivation of S. enterica, E. coli and M. luteus Bacteria Mixtures , Environmental and Climate Technologies — DOI: 10.2478/rtuect-2020-0113
• Simanaitienė, A., Barauskienė, I., Varnagiris, Š., Urbonavičius, M., Šulčiūtė, A.. Mixed zinc–cobalt oxide coatings for photocatalytic applications , Applied Physics A: Materials Science and Processing — DOI: 10.1007/s00339-020-03871-1
• Sakalauskaite, S., Kuliesiene, N., Galalyte, D., Tuckute, S., Urbonavicius, M., Varnagiris, S., Daugelavicius, R., Lelis, M.. Potential and Risk of the Visible Light Assisted Photocatalytical Treatment of PRD1 and T4 Bacteriophage Mixtures , Environmental and Climate Technologies — DOI: 10.2478/rtuect-2020-0098
• Yousef, S., Subadra, S.P., Griškevičius, P., Varnagiris, S., Milcius, D., Makarevicius, V.. Superhydrophilic functionalized graphene/fiberglass/epoxy laminates with high mechanical, impact and thermal performance and treated by plasma , Polymer Testing — DOI: 10.1016/j.polymertesting.2020.106701
• Medvids, A., Varnagiris, S., Letko, E., Milcius, D., Grase, L., Gaidukovs, S., Mychko, A., Pludons, A., Onufrijevs, P., Mimura, H.. Phase transformation from rutile to anatase with oxygen ion dose in the TiO₂ layer formed on a Ti substrate , Materials Science in Semiconductor Processing — DOI: 10.1016/j.mssp.2019.104776
• Varnagiris, S., Urbonavicius, M., Sakalauskaite, S., Daugelavicius, R., Pranevicius, L., Lelis, M., Milcius, D.. Floating TiO₂ photocatalyst for efficient inactivation of E. coli and decomposition of methylene blue solution , Science of the Total Environment — DOI: 10.1016/j.scitotenv.2020.137600
• Varnagiris, S., Vilimaite, S., Mikelionyte, I., Urbonavicius, M., Tuckute, S., Milcius, D.. The combination of simultaneous plasma treatment with mg nanoparticles deposition technique for better mung bean seeds germination , Processes — DOI: 10.3390/pr8121575

2019

• Lelis, M., Tuckute, S., Varnagiris, S., Urbonavicius, M., Bockute, K., Laukaitis, G.. Synthesis and analysis of metallic Zn phase rich ZnO oxide films for the photocatalytic water treatment technologies , Materials Today: Proceedings — DOI: 10.1016/j.matpr.2020.03.197
• Varnagiris, S., Medvids, A., Lelis, M., Milcius, D., Antuzevics, A.. Black carbon-doped TiO₂ films: Synthesis, characterization and photocatalysis , Journal of Photochemistry and Photobiology A: Chemistry — DOI: 10.1016/j.jphotochem.2019.111941
• Lelis, M., Tuckute, S., Varnagiris, S., Urbonavicius, M., Laukaitis, G., Bockute, K.. Tailoring of TiO₂ film microstructure by pulsed-DC and RF magnetron co-sputtering , Surface and Coatings Technology — DOI: 10.1016/j.surfcoat.2019.124906
• Tuckute, S., Varnagiris, S., Urbonavicius, M., Lelis, M., Sakalauskaite, S.. Tailoring of TiO₂ film crystal texture for higher photocatalysis efficiency , Applied Surface Science — DOI: 10.1016/j.apsusc.2019.05.341

2018

• Varnagiris, S., Doneliene, J., Tuckute, S., Cesniene, J., Lelis, M., Milcius, D.. Expanded Polystyrene Foam Formed from Polystyrene Beads Coated with a Nanocrystalline SiO₂ Film and the Analysis of Its Moisture Adsorption and Resistance to Mechanical Stress , Polymer - Plastics Technology and Engineering — DOI: 10.1080/03602559.2017.1381244
• Varnagiris, S., Tuckute, S., Lelis, M., Milcius, D.. SiO₂ films as heat resistant layers for protection of expandable polystyrene foam from flame torch–induced heat , Journal of Thermoplastic Composite Materials — DOI: 10.1177/0892705717718238

2017

• Girdzevicius, D., Urbonavicius, M., Varnagiris, S., Milcius, D.. Implementation of hydrogen plasma activation of Mg powder in two steps hydrogenation , Energy Procedia — DOI: 10.1016/j.egypro.2017.09.022
• Urbonavicius, M., Varnagiris, S., Girdzevicius, D., Milcius, D.. Hydrogen generation based on aluminum-water reaction for fuel cell applications , Energy Procedia — DOI: 10.1016/j.egypro.2017.09.024
• Varnagiris, S., Sakalauskaite, S., Tuckute, S., Lelis, M., Daugelavicius, R., Milcius, D.. Investigation of E. coli bacteria inactivation by photocatalytic activity of TiO₂ coated expanded polystyrene foam , Materials Research Express — DOI: 10.1088/2053-1591/aa6604
• Varnagiris, S., Urbonavicius, M., Tuckute, S., Lelis, M., Milcius, D.. Development of photocatalytically active TiO₂ thin films on expanded polystyrene foam using magnetron sputtering , Vacuum — DOI: 10.1016/j.vacuum.2017.05.031
• Varnagiris, S., Girdzevicius, D., Urbonavicius, M., Milcius, D.. Incorporation of SiO₂ and TiO₂ additives into expanded polystyrene foam using physical vapour deposition technique , Energy Procedia — DOI: 10.1016/j.egypro.2017.09.073
• Urbonavicius, M., Varnagiris, S., Milcius, D.. Generation of Hydrogen through the Reaction between Plasma-Modified Aluminum and Water , Energy Technology — DOI: 10.1002/ente.201700344

2016

• Varnagiris, Š., Donėlienė, J., Tučkutė, S., Vonžodas, T., Lelis, M., Milčius, D.. Incorporation of particles into the bulk of expanded polystyrene foam using physical vapour deposition technologies,Dalelių įterpimas į Polistireninio Putplasčio Tūrį Panaudojant Fizikinio Garinimo Technologiją , Energetika
• Urbonavičius, M., Tučkutė, S., Varnagiris, Š., Lelis, M., Milčius, D.. Effects of temperature on hydrogen production rate during direct reactions of activated aluminum with water,Temperatūros įtaka aliuminio ir vandens reakcijų kinetikai išgaunant vandenilį, skirtą mažos galios prietaisams , Energetika — DOI: 10.6001/energetika.v62i3.3351