Our Patents, Books, Projects…

Issued Patents

• Trajkovska-Broach, A. et al. “Electrochromic Materials and Optical Systems Employing the Same,” US Pat. 10,359,679 B2 (2019).
• Trajkovska, A. et al. “Electrochromic Films and Related Methods Thereof,” US Pat. 10,061,175 B2 (2018).
• Trajkovska, A. et al. “Liquid Crystal Alignment Layers and Method of Fabrication,” US Pat. 9, 939,682 B2 (2018).
• Trajkovska, A.; Blum, R. “Transparent Conductive Ink Compositions and the Use Thereof in Electro-Active Optical Systems,” US 9,142,329 B2 (2015).
• Trajkovska, A. et al. “Flexible Film with Surface Relief and Use Thereof in Electro-Active Optical Systems,” US 9,199,420 B2 (2015).
• Trajkovska-Petkoska, A.; Jacobs, Stephen D.; Marshall, Kenneth L.; Kosc, Tanya Z.; “Electrically Actuated Doped Polymer Flakes and Electrically Addressable Optical Devices Using Suspensions of Doped Polymer Flakes in a Fluid Host,” US Pat. 11/230,059 (2010).
• Trajkovska-Petkoska, A.; Jacobs, Stephen D.; Kosc, Tanya Z.; Marshall, Kenneth L. “Manufacture of Regularly Shaped Polymer Cholesteric Liquid Crystal Flakes with a Mechanically Flexible Mold,” US Pat. 7,238,316 B2 (2007)
• Turshani, Y., Trajkovska, A. et al., “Curable Adhesive Compositions,” US Pat. 9,074,040 B2 (2015).
• Cefalo, D., Trajkovska-Broach, A. et al. “Photo-Stable and Thermally-Stable Dye Compounds for Selective Blue Light Filtered Optic,” US Pat. 9,683,102 B2 (2017).
• Blum, R., Trajkovska-Broach, A., et al. “Eyewear With Magnetic Track for Electronic Wearable Device,” US Pat. 10,241,351 B2 (2019).
• Ishak, A., Trajkovska, A. et al.”Selective Wavelength Filtering With Reduced Overall Light Transmission,” US Pat. 9,798,163 B2 (2017).

Patents Pending

• Petkoska, A.T. and Broach, A.T. “Antioxidant Compositions and Methods of Protecting Skin, Hair and Nails Against High Energy Blue-Violet Light,”, US20160346191, WO/2016/176485A1.
• Trajkovska, A. “Malodor Control Compositions,” US20130266657, WO/2012/057825A1.
• Trajkovska, A. “Variable Optical Element Comprising a Liquid Crystal Alignment Layer,” US20120212696; WO/2012/103497; EP2668542.
• Trajkovska, A. et al. “Oblique-Incidence Deposited Silicon Oxide Layers for Dynamic Ophthalmic Lenses,” US20130050639; WO/2013/028675; EP2748672.
• Trajkovska, A. et al. “Electro-Active Ophthalmic Lenses Comprising Low Viscosity Liquid Crystalline Mixtures,” US20140036172; WO/2014/022686.
• Trajkovska, A. et al.”Electro-Chromic Devices Including Solid and Quasi-Solid Electrolyte Layers and Methods of Making the Same,” US20150219974, WO/2014/121263.
• Trajkovska-Broach, A. et al. “Solid Electro-Chromic Stack Including Electro-Chromic Nanoparticles and Methods of Forming the Same Using Layer-by-Layer Deposition,” US20140198370; WO/2014/113685.
• Trajkovska, A. et al. “Selective Blue Light Filtered Optic,” US20140093661; WO/2014/055513.
• Broach, A.T., Petkoska, A.T. “Nutrient-Rich Snacks with Tailored Health- and Well-Being Benefits and a Method Towards Customized Nutrition Using the Same,” patent pending, 2017.
• Cox, B., Trajkovska, A., et al. ”Mold for Diffractive Ophthalmic Lens,” WO/2012/006637A1.

Books and Book Chapters

• Trajkovska-Petkoska, A. and Trajkovska-Broach, A. (editors) ”New Developments in Liquid Crystals Research”, Nova Science Publishers, Inc., 2015.
• Trajkovska-Petkoska, A. Trajkovska-Broach, Верка Мешко, “Oсновни пресметки во анализата и проектирањето во хемиското инженерство,” Универзитет Св. Климент Охридски-Битола, Скопје, 2017.
• Trajkovska, A. “Liquid Crystalline Oligofluorenes – Chiroptical Properties and Photoalignment” , ISBN 978-3-639-07096-5, VDM Verlag Dr. Mueller, Germany, 2008.
• Trajkovska-Petkoska, A., “Polymer Cholesteric Liquid Crystal Flakes – Their Electro Optic Behaviour for Potential E-Paper Application”, ISBN 978-3-639-06439-1, VDM Verlag Dr. Mueller, Germany, 2008.
• Trajkovska-Petkoska, “Polymer cholesteric liquid crystal flakes as new candidates for display and sensor applications”. NATO Science for Peace and Security Series-B: Physics and Biophysics (chapter 34): Nanotechnological Basis for Advanced Sensors, Springer, 2011.
• B. Samakoski, V. Dukovski, A. Trajkovska-Petkoska, S. Samak, “Automated Production of High Performance Composites, Innovative Production Systems-Key to Future Intelligent Manufacturing”, (chapter 9), Ed: F. Cus and V. Gecevska, 2010.

International Projects & Grants

• Trajkovska A. ALIPS – Alignment of Liquid Crystals on Patterned Surfaces, Marie-Curie Actions, European FP7 Grant, 2009.
• Petkoska, A.T. POLYSOL – FP7- SME-2010-1, No. 262149, 2010-2013.
• Petkoska, A.T. COMPOSOL – FP7 Research for the benefit of SMEs, No. 28421, 2012-2014.
• Petkoska, A.T. DIBBIOPACK – FP7-NMP-2011-LARGE-5, No. 280676, 2012-2016.
• Petkoska, A.T. SOLEGLASS – FP7- SME 2011-2 Research for SME Associations, No. 285956, 2011-2014.
• Petkoska, A.T. LLP-iTeach: IMPROVING TEACHING EFFECTIVENESS IN CHEMICAL ENGINEERING EDUCATION, 2013-2016.
• Petkoska, A.T. ANTI-MICROBIAL COATING INNOVATIONS TO PREVENT INFECTIOUS DISEASES (AMICI), COST Action CA15114, 2016-2020.

Selected Publications and Presentations

• Davor Daniloski, Anka Trajkovska Petkoska, Kata Galić, Mario Ščetar, Mia Kurek, Tatjana Kalevska, Daniela Nikolovska Nedelkoska, The effect of barrier properties of polymeric films on the shelf-life of vacuum packaged fresh pork meat, Meat Science, vol. 158, 2019, 107880.
• Risteska, A. Trajkovska-Petkoska, S. Samak, M. Drienovsky, Annealing Effects on the Crystallinity of Carbon Fiber-Reinforced PEEK and PPS laminate composites manufactured by Laser automatic tape placement, accepted to Materials Science, 2019.
• Steiner Petrovic, A.Trajkovska Petkoska, I. Nasov, D. Mandrino, AES characterization of constituents’ oxidation state in spectrally selective titanium-oxynitride coatings on metals for high efficient solar absorbers, Surface Review and Letters, 2019.
• Colovic, D. Kisic, B. Jokanovic, Z. Rakocevic, I. Nasov, A. Trajkovska Petkoska, V. Jokanovic, Wetting properties of titanium oxides, oxynitrides and nitrides obtained by DC and pulsed magnetron sputtering and cathodic arc evaporation, Materials Science-Poland, 2019.
• Jokanović, B. Čolović, N. Bundaleski, M. Jokanović A. Trajkovska Petkoska, M. Ferrara, I. Nasov, TixOy thin films with extremely low extinction coefficients obtained by pulsed magnetron sputtering, Journal of Optoelectronics and Advanced Materials, vol. 20 (3), p. 169, 2018.
• Petkoska, A.T., Broach, A.T., Nasov, I., Kanazawa, T. PVD Deposition of Multilayered Nano-Coatings With Potential Antimicrobial Behaviour, New and Advanced Materials and Technologies for Energy, Environment and Sustainable Development, SIPS
• Jokanović, B. Čolović, A. Trajkovska Petkoska, A. Mraković, B. Jokanović, M. Nenadović, M. Ferrara, I. Nasov, Optical properties of titanium oxide films obtained by cathodic arc plasma deposition, Plasma Science and Technology, 19, 125504, 2017.
• V. Jokanovic, B. Colović, Nenadovic, M. Mitric, A. Trajkovska-Petkoska, B. Jokanović, I. Nasov, Ultra-high and near-zero refractive indices of magnetron sputtered thin-film metamaterials based on TixOy, Advances in Materials Science and Engineering, vol. 2016, Article ID 4565493.
• V. Jokanovic, B. Colović, B. Jokanović, S. Stojadinović, A.T. Petkoska, I. Nasov, Plasmonic metamaterials based on titanium oxides, Protection of materials, 57 (2), 225-231, 2016.
• Trajkovska-Petkoska et. al., Nanocoatings – designed layers for solar thermal applications, Protection of materials, 57 (1), p. 5-12, 2016.
• Trajkovska-Petkoska, A; Trajkovska-Broach, A.: Soft Lithography: Part 1 – Anti-Fouling and Self-Cleaning Topographies, T Technol. Ed. Manag., Vol.10 (1), 9-17, 2015.
• Trajkovska-Petkoska, Soft Lithography: Part 2 – Tailored Polymer Cholesteric Liquid Crystalline Particles, Tech. Technol. Ed. Manag., vol. 10(2), 2015.
• Trajkovska-Petkoska, Inorganic dopants in polymer cholesteric liquid crystals, Macedonian Journal of Chemistry and Chemical Engineering, Vol. 34 (2), p. 381 (2015).
• Risteska, A. Trajkovska-Petkoska, M. Stefanovska, A. Trajkovska-Broach, B. Samakoski, Design of experiment on final resin mass fraction in composite, TTEM, vol. 10(3), 2015.
• Trajkovska-Broach, A.; Trajkovska-Petkoska, A.: Smart Topographies Created by Soft Lithography: Anti-Fouling and Self-Cleaning Engineered Surfaces, J. Eng. Res. Technol., Vol. 3 (12), 453-462, 2014.
• Trajkovska-Petkoska, The role of conductive dopants in polymer cholesteric liquid crystals, Macedonian Journal of Chemistry and Chemical Engineering, Vol. 33 (2), p. 287 (2014).
• Trajkovska-Petkoska et. al., Designed coatings on food industry equipment – a good practice for food safety, Journal of Hygienic Engineering Design, vol. 6, p. 3, 2014.
• Trajkovska-Petkoska, et.al, Surface engineering of polymers, Protection of materials, 55(1) 2014, 3-10.
• Trajkovska-Petkoska et. al., Novel Type of Facade Window Collector-Double Benefits: Good Architectural Appearance of Facade and Solving the Problems of Long Term Stability / Efficiency, Energy Procedia, 48, 1320-1325, 2014.
• Trajkovska-Petkoska, A.; Jacobs, S., The Manufacture, characterization, and manipulation of polymer cholеsteric liquid crystal flakes and their possible applications, Journal of Materials Science and Engineering (A&B), A2 (2), 137-151, 2012.
• Trajkovska-Petkoska A., Polymer cholesteric liquid crystal flakes as new candidates for display and sensor applications, NATO ASI: Nanotechnological Basis for Advanced Sensors, Bulgaria, 2010 (awarded lecture).
• Trajkovska-Petkoska, A.; Jacobs, S. Effect of different dopants on polymer cholesteric liquid crystal properties, Cryst. Liq. Cryst., 2008, 495, 334.
• Trajkovska-Petkoska, A.; al., Motion of doped polymer cholesteric liquid crystal flakes in a direct-current electric field, J. Appl. Phys, 2008, 103, 094907.
• Trajkovska-Petkoska, A.; Varshneya, R.; Kosc, T. Z.; Marshall, K. L.; Jacobs, S. D. Enhanced Electro-Optic Behavior for Shaped Polymer Cholesteric Liquid Crystal (PCLC) Flakes Made by Soft Lithography, Funct. Mater. 2005, 15, 217-222 (also, journal cover page).
• Lin, J-C.; Yates, M. Z.; Trajkovska Petkoska, A.; Jacobs, S. D. Electric Field Driven Assembly of Oriented Molecular Sieve Films, Mater. 2004, 16, 1944–1948.
• Z. Kosc, K. L.Marshall, A. Trajkovska Petkoska, R. Varshneya and S. D. Jacobs, Development of Polymer Cholesteric Liquid Crystal Flakes for Electro-Optic Applications,Optics & Photonics News, p. 33, 2004.
• Kosc, T. Z.; Marshall, K. L.; Trajkovska-Petkoska, A.; Kimball, E.; Jacobs, S. D. Progress in the Development of Polymer Cholesteric Liquid Crystal Flakes for Display Applications, Displays 2004, 25, 171–176.
• Kim, C.; Wallace, J. U.; Trajkovska A.; Ou, J. J.; Chen, S. H. Quantitative Assessment Photoalignment of Coumarin-Containing Polymer Film’s Capability for Photoalignment of Liquid Crystals, Macromolecules 2007, 40, 8924-8929.
• Trajkovska A.; Kim, C.; Marshall, K.; Mourey, T. H.; Chen, S. H. Photoalignment of a Nematic Liquid Crystal Fluid and Glassy-Nematic Oligofluorenes on Coumarin-Containing Polymer Films, Macromolecules 2006, 39, 6983-6989.
• Kim, C.; Trajkovska, A.; Wallace, J. U.; Chen, S. H. New Insight into Photoalignment of Liquid Crystals on Coumarin-Containing Polymer Films, Macromolecules, 2006, 39, 3817-3823.
• Geng, Y.; Culligan, S. W.; Trajkovska, A.; Wallace, J. U.; Chen, S. H. Monodisperse Oligofluorenes Forming Glassy-Nematic Films for Linearly Polarized Blue Emission, Mater. 2003, 15, 542-549.
• Geng, Y.; Trajkovska, A.; Culligan, S. W.; Ou, J. J.; Chen, H. M. P.; Katsis, D.; Chen, S. H. Origins of Strong Chiroptical Activities in Films of Nonafluorenes with a Varying Extent of Pendant Chirality, Am. Chem. Soc. 2003, 125, 14032-14038.
• Geng, Y.; Trajkovska, A.; Katsis, D.; Ou, J. J.; Culligan, S. W.; Chen, S. H. Synthesis, Characterization, and Optical Properties of Monodisperse Chiral Oligo(fluorene)s, Am. Chem. Soc. 2002, 124, 8337-8347.

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