2026

• 
  Pavlos Efthymiopoulos, Ilias Siadimas, D.A. Gkika, Sofia Kavafaki, Ramonna I. Kosheleva, Georgios Maliaris, George Z. Kyzas, 3D printed hierarchical porous amino-functionalized graphene oxide/activated carbon adsorbent composites for pharmaceuticals removal, Chemical Engineering Journal — doi:10.1016/j.cej.2026.172890.
• 
  D.A. Gkika, Dimitra K. Toubanaki, Anna A. Thysiadou, George Z. Kyzas, Athanasia K. Tolkou, Toward Circular and Sustainable Urban Wastewater Treatment, Integrating Adsorption and Advanced Oxidation Processes, Urban Sciences, 2026, 10, 25 — doi:10.3390/urbansci10010025.
• 
  D.A. Gkika, George Z. Kyzas, Reusability of Spent Adsorbents for a Circular Materials Economy in a Chemical and Sustainable Industry, RSC Sustainability, 2026 — doi:10.1039/D5SU00802F.

2025

• 
  D.A. Gkika, A.K. Tolkou, G.Z. Kyzas, Comparison of nanocomposites groups performance in cements, Earth: Environmental Sustainability 1 (2025) 176–194 — doi:10.53941/eesus.2025.100014.
• 
  D.A. Gkika, G.Z. Kyzas, Cost evidence yields the viability of metal oxides synthesis routes, ACS Sustainable Chemistry & Engineering 13 (2025) 17370–17379 — doi:10.1021/acssuschemeng.5c06752.
• 
  D.A. Gkika, N. Vordos, A.C. Mitropoulos, G.Z. Kyzas, Economic evaluation during physicochemical characterization process: A cost-benefit Analysis, ChemEngineering 9 (2025) Article 95 — doi:10.3390/chemengineering9050095.
• 
  D.A. Gkika, K. N. Maroulas, G.Z. Kyzas, Various Reduced Graphene Oxide Green Synthetic Routes: Comparing the Cost Procedures, ACS Omega, Aug. 2025 — doi:10.1021/acsomega.5c04090.
• 
  D.A. Gkika, Athanasia K. Tolkou, Stavros G. Poulopoulos, Ioannis K. Kalavrouziotis, George Z. Kyzas, Cost-effectiveness of regenerated green materials for removal of pharmaceuticals from wastewater, Waste Management, Volume 204, 2025 — doi:10.1016/j.wasman.2025.114952.
• 
  D.A. Gkika, A.K. Tolkou, I.A. Katsoyiannis, G.Z. Kyzas, The adsorption-desorption-regeneration pathway to a circular economy, Separation and Purification Technology 368 (2025) 132996 — doi:10.1016/j.seppur.2025.132996.

2024

• 
  A. Vlachou, D.A. Gkika, P. Efthymiopoulos, G.Z. Kyzas, A. Tsoupras, Copper- and iron-based nanoflowers in cancer theranostics, Applied Sciences 14 (2024) 11294 — doi:10.3390/app142311294.
• 
  D.A. Gkika, A.C. Mitropoulos, G.Z. Kyzas, How economic theories shape chemical technologies profile, ChemEngineering 8 (2024) Article 91 — doi:10.3390/chemengineering8050091.
• 
  D.A. Gkika, M. Chalaris, G.Z. Kyzas, Review of methods for obtaining rare earth elements from recycling and their impact on the environment and human health, Processes 12 (2024) Article 1235 — doi:10.3390/pr12061235.
• 
  A. Tsoupras, D.A. Gkika, I. Siadimas, I. Christodoulopoulos, P. Efthymiopoulos, G.Z. Kyzas, The multifaceted effects of non-steroidal and non-opioid anti-inflammatory and analgesic drugs on platelets: Current knowledge, limitations and future perspectives, Pharmaceuticals 17 (2024) 627 — doi:10.3390/ph17050627.
• 
  Eduardo Alberto López-Maldonado, Nadeem A Khan, ... , D.A. Gkika, George Z. Kyzas, Magnetic polymeric composites: discover their potential for separating and degrading micro/nano plastics, Desalination and Water Treatment — doi:10.1016/j.dwt.2024.100198.
• 
  D.A. Gkika, A.K. Tolkou, D.A. Lambropoulou, D.N. Bikiaris, P. Kokkinos, I.K. Kalavrouziotis, G.Z. Kyzas, Application of Molecularly Imprinted Polymers (MIPs) as environmental separation tools, RSC Applied Polymers, 2024 — doi:10.1039/D3LP00082F.
• 
  D.A. Gkika, K. Ladomenou, M. Bououdina, A.C. Mitropoulos, G.Z. Kyzas, Adsorption and photocatalytic applications of porphyrin-based materials for environmental separation processes: A review, Science of the Total Environment 908 (2024) 168293 — doi:10.1016/j.scitotenv.2023.168293.
• 
  N. Mittas, D.A. Gkika, K. Georgiou, ... , G.Z. Kyzas, Bibliometric research analysis of Molecularly Imprinted Polymers (MIPs) for environmental applications, Environmental Science and Pollution Research, 2024 — doi:10.1007/s11356-023-29235-9.

2023

• 
  M. Chalaris, D.A. Gkika, A.K. Tolkou, G.Z. Kyzas, Advancements and sustainable strategies for treatment and management of metallurgical wastewater, Environmental Science and Pollution Research, 2023, 30, 119627–119653 — doi:10.1007/s11356-023-30891-0.
• 
  A. Theodoropoulou, D.A. Gkika, A. Alodhayb, G.Z. Kyzas, A critical evaluation of the safety datasheets of graphene materials, Journal of Nanoparticle Research 25 (2023) 99 — doi:10.1007/s11051-023-05753-y.
• 
  D.A. Gkika, A.K. Tolkou, E. Evgenidou, D.N. Bikiaris, D.A. Lambropoulou, A.C. Mitropoulos, I.K. Kalavrouziotis, G.Z. Kyzas, Fate and removal of microplastics from industrial wastewaters, Sustainability 15 (2023) 6969 — doi:10.3390/su15086969.
• 
  D.A. Gkika, A.C. Mitropoulos, P. Kokkinos, D.A. Lambropoulou, I.K. Kalavrouziotis, D.N. Bikiaris, G.Z. Kyzas, Modified chitosan adsorbents in pharmaceutical simulated wastewaters: A review, Carbohydrate Polymer Technologies and Applications 5 (2023) 100313 — doi:10.1016/j.carpta.2023.100313.
• 
  D.A. Gkika, V. Karmali, D.A. Lambropoulou, A.C. Mitropoulos, G.Z. Kyzas, Membranes coated with graphene-based materials: A review, Membranes 13 (2023) 127 — doi:10.3390/membranes13020127.
• 
  D.A. Gkika, Georgios Maliaris, Nick Vordos, Athanasios C. Mitropoulos, George Z. Kyzas, Cost Profile of 3D Printing Using Biomaterials on a Lab Scale, Biointerface Research in Applied Chemistry, 2023 — doi:10.33263/BRIAC131.093.

2022

• 
  D.A. Gkika, V. Filiz, S. Rangou, G.Z. Kyzas, A.C. Mitropoulos, Cost Profile of Membranes That Use Polymers of Intrinsic Microporosity (PIMs), Membranes 2022 — doi:10.3390/membranes12040433.
• 
  D.A. Gkika, A.C. Mitropoulos, D.A. Lambropoulou, I.K. Kalavrouziotis, G.Z. Kyzas, Cosmetic wastewater treatment technologies: a review, Environmental Science and Pollution Research, 2022 — doi:10.1007/s11356-022-23045-1.
• 
  D.A. Gkika, A.C. Mitropoulos, G.Z. Kyzas, Why reuse spent adsorbents? The latest challenges and limitations, Science of the Total Environment, 2022 — doi:10.1016/j.scitotenv.2022.153612.

2015-2021

• 
  E.V. Liakos, D.A. Gkika, A.C. Mitropoulos, K.A. Matis, G.Z. Kyzas, On the combination of modern sorbents with cost analysis: A review, Journal of Molecular Structure 1229 (2021) 129841 — doi:10.1016/j.molstruc.2020.129841.
• 
  D.A. Gkika, N. Vordos, L. Magafas, A.C. Mitropoulos, G.Z. Kyzas, Risk return profile of nanomaterials, Journal of Molecular Structure 1228 (2021) 129740 — doi:10.1016/j.molstruc.2020.129740.
• 
  D.A. Gkika, N. Vordos, M. Maragakis, K.E. Tilkeridis, L. Magafas, A.C. Mitropoulos, G.Z. Kyzas, Patents of nanomaterials related with cancer treatment applications, Journal of Nanoparticle Research 22 (2020) 335 — doi:10.1007/s11051-020-05052-w.
• 
  N. Vordos, D.A. Gkika, G. Maliaris, K.E. Tilkeridis, ..., How 3D Printing and Social Media Tackles the PPE Shortage during Covid–19 Pandemic, Safety Science, 2020 — doi:10.1016/j.ssci.2020.104870.
• 
  N. Vordos, D.A. Gkika, D.V. Bandekas, Wheatstone Bridge and Bioengineering, Journal of Engineering Science and Technology Review, 2020 — doi:10.25103/jestr.135.02.
• 
  D.A. Gkika, E.V. Liakos, N. Vordos, C. Kontogoulidou, L. Magafas, D.N. Bikiaris, A.C. Mitropoulos, G.Z. Kyzas, Cost Estimation of Polymeric Adsorbents, Polymers 11(5), 925, May 2019 — doi:10.3390/polym11050925.
• 
  D.A. Gkika, K. Ovaliadis, N. Vordos, L. Magafas, Managing complexity: the case of nanomaterials, J. Nanoparticle Res., 21(1), 17, Jan. 2019 — doi:10.1007/s11051-018-4456-3.
• 
  D.A. Gkika, L. Magafas, P. Cool, J. Braet, Balancing nanotoxicity and returns in health applications: The Prisoner’s Dilemma, Toxicology Journal 393 (2018) 83–89 — doi:10.1016/j.tox.2017.11.008.
• 
  D.A. Gkika, N. Vordos, J.W. Nolan, A.C. Mitropoulos, E.F. Vansant, P. Cool, J. Braet, Price tag in Nanomaterials?, Journal of Nanoparticle Research, accepted April 2017 — doi:10.1007/s11051-017-3875-x.
• 
  N. Vordos, S. Giannakopoulos, D.A. Gkika, J.W. Nolan, Ch. Kalaitzis, D.V. Bandekas, C. Kontogoulidou, A.Ch. Mitropoulos, S. Touloupidis, Kidney Stone Nano-Structure – Is there an Opportunity for Nanomedicine Development?, Biochimica et Biophysica Acta (BBA) - General Subjects, 2017 — doi:10.1016/j.bbagen.2017.01.026.
• 
  D.A. Gkika, J.W. Nolan, E.F. Vansant, A.C. Mitropoulos, P. Cool, J. Braet, C. Kontogoulidou, A framework for health-related nanomaterial grouping, Biochimica et Biophysica Acta, 2016 — doi:10.1016/j.bbagen.2016.08.014.
• 
  D.A. Gkika, C. Kontogoulidou, J.W. Nolan, E.F. Vansant, A.C. Mitropoulos, P. Cool, J. Braet, Nano-patents and literature frequency as Statistical Innovation Indicator for the use of nano-porous material, Journal of Engineering Science and Technology Review, 2016 — doi:10.25103/jestr.095.03.
• 
  G.A. Papakostas, J.W. Nolan, N. Vordos, D.A. Gkika, M.E. Kainourgiakis, A.C. Mitropoulos, On 3D Reconstruction of Porous Media by Using Spatial Correlation Functions, Journal of Engineering Science and Technology Review 8(4), 78–83, 2015 — doi:10.25103/jestr.084.12.
• 
  J.W. Nolan, D.A. Gkika, N. Vordos, I.K. Kazanidis, A.Ch. Mitropoulos, On the Archiving and Visualisation of Scientific Data, Journal of Engineering Science and Technology Review 8(4), 40–43, 2015 — doi:10.25103/jestr.084.06.

• Marketability

  
  

  Science of Nature: Exploring Bio-functional Cosmetics based on Ingredients of Natural Origin for Health Promotion
  
  Elsevier
  
  D. A. Gkika, Alexandros Tsoupras, George Z. Kyzas

  

• Synthesis cost of photocatalytic materials for possible application in chemical industry

  
  

  D. A. Gkika, George Z. Kyzas

  

• Synthesis cost of adsorbent materials for possible application in chemical industry

  
  

  The Science of Nature: Exploring Bio-functional Cosmetics based on Ingredients of Natural Origin for Health Promotion
  
  Elsevier
  
  D. A. Gkika, George Z. Kyzas

  

• Nanostructured materials in industrial applications, personal care, and health care: A cosmetic approach, Comprehensive Polymer Science
  
  

  
  

  2nd Edition, Elsevier
  
  Elena A. Anastasiou, Efthymia Ayfantopoulou, Eleni E. Lykartsi, Sofia Neonilli Papadopoulou, Ioanna T. Toganidou, Olga I. Tsiapali, Athanasia Tzourouni, Maria G. Venetikidou, Ioanna Koumentakou, Alexandros Tsoupras, D. A. Gkika, George Z. Kyzas
  doi:10.1016/B978-0-323-95486-0.00087-9

  

• Adsorption and desorption studies of drug compounds from wastewaters by modified chitosan-based adsorbents, Soil Remediation Techniques and Environmental Revitalization

  
  

  Springer
  
  D. A. Gkika, Ioannis Georgiou, George Z. Kyzas

  

• Beneficial Effects of Beer, Brewery By-products and their Bioactives; Potential Applications in Novel Health-promoting Products

  
  

  Springer Nature
  
  Alexandros Tsoupras, D. A. Gkika, Ashlyn Voorhout, Katherine Gurnee, Parkash Meghwar, Maria Karali, George Z. Kyzas

  

• Apple products (apple juice and cider) and apple pomace: Bioactive compounds and biological properties

  
  

  Springer Nature
  
  Alexandros Tsoupras, D. A. Gkika, Roisin Curran, Ciara Scallon, Maria Karali, George Z. Kyzas

  

• Strategic incorporation of nanoadsorbent materials with biosorbent carrier

  
  

  Polymers for Safe, Potable, and Usable Water
  
  Comprehensive Polymer Science 2e
  Elsevier
  
  D. A. Gkika, Ioannis Georgiou, Ioannis K. Kalavrouziotis, George Z. Kyzas

  

• Treatment of leachates by membrane technology

  
  

  Emerging Innovative Trends in the Application of Biological Processes for Industrial Wastewater Treatment
  
  Elsevier, 2023
  
  D. A. Gkika, Athanasios C. Mitropoulos, Eleni Evgenidou, Dimitrios N. Bikiaris, Dimitra A. Lambropoulou, Petros Kokkinos, Ioannis K. Kalavrouziotis, George Z. Kyzas

  

• Removal of drug compounds from wastewaters by modified chitosan-based adsorbents

  
  

  In M. P. Shah (Ed.), Environmental Approach to Remediate Refractory Pollutants from Industrial Wastewater Treatment Plant, Elsevier, 2023
  
  D. A. Gkika, N. Vordos, A. C. Mitropoulos, D. N. Bikiaris, D. A. Lambropoulou, G. Z. Kyzas

  

• Therapeutic and diagnostic potential of nanomaterials for enhanced biomedical applications

  
  

  In M. P. Shah (Ed.), Advanced and Innovative Approaches of Environmental Biotechnology in Industrial Wastewater Treatment, Springer, 2023
  
  ISBN 978-981-99-2598-8
  
  N. Vordos, D. A. Gkika, N. Pradakis, A. C. Mitropoulos, G. Z. Kyzas

  

• Nanomaterials and their properties: Thermal analysis, physical, mechanical, and chemical properties

  
  

  In M. P. Shah (Ed.), Advanced and Innovative Approaches of Environmental Biotechnology in Industrial Wastewater Treatment, Springer, 2023
  
  doi:0.1007/978-981-99-2598-8
  
  D. A. Gkika, N. Vordos, A. C. Mitropoulos, D. A. Lambropoulou, G. Z. Kyzas

  

• The impact of raw materials cost on the adsorption process

  
  

  In G. Z. Kyzas, A. C. Mitropoulos (Eds.), Advanced Low-cost Separation Techniques in Interface Science, Chapter 1, pp. 1–14, Elsevier
  
  ISBN 978-012-81-4178-6
  
  London, UK, 2019
  
  D. A. Gkika, N. C. Vordos, E. V. Liakos, L. Magafas, D. V. Bandekas, A. C. Mitropoulos, G. Z. Kyzas

  

• A. Papadouli, N. Pradakis, D. A. Gkika, J. Fantidis, M. Maragakis, S. Pantazis, A. C. Mitropoulos, N. Vordos, Exploring the Impact of Storage Temperature on PbO and Pb3O4. Aging Characterization with XRD, ATR-FTIR, SAXS and N₂ Porosimetry, 13th International Conference on Instrumental Methods of Analysis: Modern Trends and Applications, Chania, Crete, Greece, September 17–20, 2023.
• N.-M. Ainali, A. Rapti, R. Bikiaris, E. Evgenidou, D. Gkika, V. Tsekeridis, G. Z. Kyzas, D. A. Lambropoulou, Magnetic-nanocomposite-TiO₂ immobilized poly(ethylene terephthalate) beads as photocatalysts for removal of pharmaceuticals under UV irradiation at pilot plant scale, 10th International Conference on Industrial Engineering and Applications, Phuket Island, Thailand, April 4–6, 2023.
• D. A. Gkika, A. C. Mitropoulos, G. Z. Kyzas, Cost profile of adsorption and photocatalysis process, 1st International Conference on Sustainable Chemical and Environmental Engineering, Rethymno, Crete, Greece, August 31 – September 4, 2022.
• D. A. Gkika, N. Malesic-Eleftheriadou, E. Evgenidou, M. Lazaridou, D. N. Bikiaris, D. A. Lambropoulou, A. C. Mitropoulos, G. Kyzas, Chitosan-modified polymeric material for wastewater treatment, 16th International Conference on Fundamental and Applied Aspects of Physical Chemistry – Physical Chemistry 2022, Belgrade, Serbia, September 26–30, 2022.
• D. A. Gkika, Eleni Dalla, Panagiotis Samaras, D. V. Bandekas, Evridiki Zachopoulou, The impact of mentoring intervention during COVID-19 on the mental health of vulnerable students, International Academic Conference on Humanities and Social Sciences (IACHSS), Paris, France, November 19–21, 2021, doi: 10.33422/6th.iachss.2021.11.15.
• D. A. Gkika, J. W. Nolan, E. F. Vansant, N. Vordos, C. Kontogoulidou, A. C. Mitropoulos, P. Cool, J. Braet, A framework for health-related nanomaterial grouping, 6th Zing Bionanomaterials Conference, Invited Speaker, Varna, Bulgaria, May 8–11, 2016.
• D. A. Gkika, J. W. Nolan, N. Vordos, A. C. Mitropoulos, E. F. Vansant, P. Cool, J. Braet, Big Data Facing Health Challenges Using a Responsible Research and Innovation Approach, VvE Day, Antwerp, Belgium, March 11, 2016.
• D. V. Bandekas, A. C. Mitropoulos, N. Vordos, J. W. Nolan, D. A. Gkika, E. Moschou, V. Vogiatzi, Quality Assurance Unit of Kavala Institute of Technology, 4th WSEAS International Conference on Theoretical and Applied Mechanics, Cambridge, United Kingdom, 2013.
• D. V. Bandekas, A. C. Mitropoulos, N. Vordos, D. A. Gkika, V. Vogiatzi, J. W. Nolan, K. Stergidis, Employment and Career Structure of the Kavala Institute of Technology (DASTA), 8th WSEAS International Conference on Educational Technologies, Porto, Portugal, 2012.

• N. Vordos, D. A. Gkika, Exploring the Potential of Gold Nanoparticles in Urolithiasis Treatment, 2nd Panhellenic Congress of Medical Physics, Abstracts, Physica Medica 127S1 (2024) S1–S82, Athens, Greece, October 4–6, 2024, doi: 10.1016/j.ejmp.2024.104717.
• F. Papantonatos, D. A. Gkika, N. Vordos, Development of a Cost-Effective Neural Network Exoskeleton Arm, 2nd Panhellenic Congress of Medical Physics, Abstracts, Physica Medica 127S1 (2024) S1–S82, Athens, Greece, October 4–6, 2024, doi: 10.1016/j.ejmp.2024.104710.
• P. Lazou, D. Gkika, N. Vordos, Effect of Radiotherapy on Blood: A Systematic Review, 2nd Panhellenic Congress of Medical Physics, Abstracts, Physica Medica 127S1 (2024) S1–S82, Athens, Greece, October 4–6, 2024, doi: 10.1016/j.ejmp.2024.104706.
• A. D. Meretoudi, I. Kalampogias, K. N. Maroulas, S. L. Kouvalakidou, R. I. Kosheleva, I. Georgiou, D. A. Gkika, A. Varoutoglou, I. Moschou, A. K. Tolkou, P. Efthymiopoulos, G. Z. Kyzas, Chitosan/graphene oxide@montmorillonite composites for the adsorption of dyes from wastewaters, 11th International Conference on Sustainable Solid Waste Management, Rhodes, Greece, 2024. Poster
• Konstantinos N. Maroulas, Athanasia K. Tolkou, Anastasia Meretoudi, Sofia L. Kouvalakidou, Ramonna I. Kosheleva, Ioannis Georgiou, D. A. Gkika, Athanasios Varoutoglou, Irene Moschou, Pavlos Efthymiopoulos, George Z. Kyzas, Curcumin@MgO/graphene oxide nanoadsorbents for the removal of fluoride from wastewaters, 11th International Conference on Sustainable Solid Waste Management, Rhodes, Greece, 2024. Poster
• Sofia L. Kouvalakidou, Myrto Tassopoulou, Anastasia Meretoudi, Konstantinos N. Maroulas, Ramonna I. Kosheleva, Ioannis Georgiou, D. A. Gkika, Athanasios Varoutoglou, Irene Moschou, Athanasia Tolkou, Pavlos Efthymiopoulos, George Z. Kyzas, Modified graphene/chitosan composites for the adsorption of methylene blue and Reactive Black 5 from dyeing mixtures, 11th International Conference on Sustainable Solid Waste Management, Rhodes, Greece, 2024. Poster
• Sofia L. Kouvalakidou, Stefanos Marlagkoutsos, Konstantinos N. Maroulas, Anastasia Meretoudi, Ramonna I. Kosheleva, Ioannis Georgiou, D. A. Gkika, Athanasios Varoutoglou, Irene Moschou, Athanasia Tolkou, Pavlos Efthymiopoulos, George Z. Kyzas, Novel magnetic graphene/chitosan/activated carbon composite beads for the removal of diclofenac from aqueous solutions, 11th International Conference on Sustainable Solid Waste Management, Rhodes, Greece, 2024. Poster
• A. Theodoropoulou, D. G. Trikkaliotis, D. A. Gkika, A. Varoutoglou, M. Pitou, R. Papi, T. Choli, S. Zografou, N. Vordos, G. Maliaris, A. C. Mitropoulos, G. Z. Kyzas, Toxicity and antimicrobial behavior of reduced graphene oxide films: A biochemical approach for potential environmental applications, 11th European Conference on Pesticides and Related Organic Micropollutants, Ioannina, Greece, June 23–26, 2022.
• D. G. Trikkaliotis, D. A. Gkika, A. Mansour, E. Calicat, E. Apostolodiou, D. A. Lambropoulou, A. C. Mitropoulos, G. Z. Kyzas, Graphene oxide film adsorbents for the removal of pharmaceuticals from wastewaters: A cost analysis approach, 11th European Conference on Pesticides and Related Organic Micropollutants, Ioannina, Greece, June 23–26, 2022.
• J. W. Nolan, D. A. Gkika, N. Vordos, E. P. Favvas, A. C. Mitropoulos, The Nanocapillary Software for Analysis, Simulation and Cataloging of Small Angle X-ray Scattering Data, 6th Panhellenic Symposium on Porous Media, Kavala, Greece, 2013. Conference Paper
• D. A. Gkika, P. Cool, E. F. Vansant, J. W. Nolan, N. Vordos, E. P. Favvas, A. C. Mitropoulos, How much do nanomaterials cost?, 6th Panhellenic Symposium on Porous Media, Kavala, Greece, 2013. Conference Paper