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PUBLICATIONS

Papers published in ISI /Scopus-Indexed Journals:

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  1. Tibayan Jr, E. B., Muflikhun, M. A.,Villagracia, A.R.C. , Kumar, V., & Santos, G. N. C.. Structures and UV resistance of Ag/SnO2 nanocomposite materials synthesized by horizontal vapor phase growth for coating applications. Journal of Materials Research and Technology. (2020)

  2. Tibayan Jr, E. B., Muflikhun, M. A., Kumar, V., Fisher, C., Villagracia, A.R.C., & Santos, G. N. C.. Performance evaluation of Ag/SnO2 nanocomposite materials as coating material with high capability on antibacterial activity. Ain Shams Engineering Journal. (2019)

  3. Owi, W. T., Ong, H. L., Sam, S. T,Villagracia, A.R.C., Tsai, C. K., & Akil, H. M.. Unveiling the physicochemical properties of natural Citrus aurantifolia crosslinked tapioca starch/nanocellulose bionanocomposites. Industrial crops and products. (2019)

  4. Rojas, K. I. M.,Villagracia, A.R.C. , Narido, S., Moreno, J.V., & Arboleda Jr, N. . "First principles study of H2 adsorption on Ni-decorated silicene." Materials Research Express 6, no. 5 (2019): 055509.

  5. Itliong, J.N., Villagracia, A.R.C., Moreno, J.L.V., Rojas, K.I.M., Bernardo, G.P.O., David, M.Y., Manrique, R.B., Ubando, A.T., Culaba, A.B., Padama, A.A.B. and Ong, H.L., 2019. Investigation of reverse ionic diffusion in forward-osmosis-aided dewatering of microalgae: A molecular dynamics study. Bioresource technology, 279, pp.181-188.

  6. Rojas, K. I. M., Villagracia, A.R.C., Moreno, J. L., David, M., & Arboleda Jr, N. B. (2018). Ca and K decorated germanene as hydrogen storage: An ab initio study. International Journal of Hydrogen Energy, 43(9), 4393-4400. ISSN 0360-3199. Impact Factor 4.229

  7. Mohaiyiddin, M. S., Ong, H. L., Othman, M. B. H., Julkapli, N. M., Villagracia, A. R. C., & Md. Akil, H. (2018) Swelling behavior and chemical stability of chitosan/nanocellulose biocomposites. Polymer Composites. 10.1002/pc.24712 Vol 39 (1) E5 61-72 ISSN 02728397, 15480569

  8. Owi, W. T., Lin, O. H., Sam, S. T., Mern, C. K., Villagracia, A. R.C., Santos, G. N. C., & Akil, H. M. (2017, July). A comparative study of green composites based on tapioca starch and celluloses. In AIP Conference Proceedings (Vol. 1865, No. 1, p. 040019). AIP Publishing. 10.1063/1.4993361 ISSN 0094243

  9. Enriquez, J. I. G., Moreno, J. L. V., David, M. Y., Arboleda, N. B., Lin, O. H., & Villagracia, A.R.C. (2018). DFT Investigation on the Electronic and Water Adsorption Properties of Pristine and N-Doped TiO2 Nanotubes for Photocatalytic Water Splitting Applications. Journal of Electronic Materials, 46(6), 3592-3602. ISSN 03615235

  10. Manrique, R., Moreno, J. L., Villagracia, A.R.C., Ubando, A., Kasai, H., Arboleda, N., David, M., & Culaba, A. Effects of salinity on the CO2 permeation across lipid bilayer for microalgae biofixation: a molecular dynamics study. Journal of Applied Phycology, 30(1)  55-61. ISSN 09218971, 15735176

  11. Guttman, J. J., Chambers, C. B., Villagracia, A.R.C., Santos, G. N. C., & Berger, P. R. (2017). Negative differential resistance in polymer tunnel diodes using atomic layer deposited, TiO 2 tunneling barriers at various deposition temperatures. Organic Electronics. Vol 47 pp 228-234 10.1016/j.orgel.2017.05.015 ISSN 15661199

  12. Gueriba, J. S., Padama, A. A. B., Villagracia, A.R.C., David, M., Arboleda, N., & Kasai, H. (2017). Ab initio study on hydrogen interaction with calcium decorated silicon carbide nanotube. International Journal of Hydrogen Energy, 42(16), 11452-11460. ISSN 0360-3199. Impact Factor 4.229

  13. Rojas, K.I., Villagracia, A.R.C., Arboleda Jr, N. B. (2016) H2 adsorption on K decorated germanene surface: an ab-initio investigation. Materials Research Express, 3(11), 115015. ISSN 20531591

  14. Owi W.T., Lin O.H., Sam S.T., Villagracia A.R.C., Santos G.N.C., 2017, Tapioca starch based green nanocomposites with environmental friendly cross-linker, Chemical Engineering Transactions, 56, 463-468  DOI:10.3303/CET1756078 ISSN 22839216

  15. Guat Yee Toh, Hui Lin Ong, Hong Ngee Lim, Nay Ming Huang, Hazizan Md Akil, Al Rey Villagracia, Gil Nonato C. Santos, and Hooi Ling Lee. "Tailoring the Chemical and Structural Properties of Graphene Oxide Nanoplatelets Synthesized at Room Temperature with Different Processing Times." Journal of Physical Science 28, no. 3 (2017): 19-40. ISSN  09320784

  16. Enriquez, J. I. G., & Villagracia, A.R.C. (2016). Hydrogen adsorption on pristine, defected, and 3d-block transition metal-doped penta-graphene. International Journal of Hydrogen Energy, 41(28), 12157-12166. ISSN  12157-12166. Impact Factor 4.229

  17. Ong, H. L., Yee, T. G., Nik Nur Azza, N. A., Muhammad Safwan, M., Villagracia, A. R.C., Mern, C. K., & Al Bakri Abdullah, M. M. (2016). Utilization of Modified Palm Kernel Shell for Biocomposites Production. In Key Engineering Materials (Vol. 700, pp. 60-69). Trans Tech Publications. ISSN 10139826

  18. Mohaiyiddin, M. S., Lin, O. H., Akil, H. M., Yee, T. G., Adik, N. N. A. N., & Villagracia, A. R. C. (2016). Effects of polypropylene methyl polyhedral oligomeric silsesquioxanes and polypropylene-grafted maleic anhydride compatibilizers on the properties of palm kernel shell reinforced polypropylene biocomposites. Polímeros, (AHEAD), Vol 26-3 228-235.  ISSN 0104-1428 / ISSN 1678-5169

  19. ADIK, N., Lin, O. H., Akil, H. M., Sandu, A. V., Villagracia, A. R. C., & Santos, G. N. (2016). Effects of Stearic Acid on Tensile, Morphological and Thermal Analysis of Polypropylene (PP)/Dolomite (Dol) Composites. MATERIALE PLASTICE, 53(1), 61-64. ISSN 00255289

  20. M.S. Mohaiyiddin, H. L. Ong, W. T. Owi, C. H. Chan, S. Zakaria, A. R. C. Villagracia, H. M. Akil  (2016) Characterization of nanocellulose recovery from Elaeis guineensis frond for sustainable development. Clean Technologies and Environmental Policy. Springer Berlin Heidelberg ISSN: 1618-954X (print version) ISSN: 1618-9558 (electronic version)  DOI: 10.1007/s10098-016-1191-2 Impact Factor 1.934

  21. A. R. C. Villagracia, A. P. Mayol, A. T. Ubando,  J. B. M. Biona, N. B. Arboleda Jr., M. Y. David, R. B. Tumlos, H. Lee Jr., H. L. Ong,  R. A. Espiritu, A. B. Culaba, H. Kasai (2016) Microwave drying characteristics of microalgae (Chlorella vulgaris) for biofuel production . Clean Technologies and Environmental Policy. Springer Berlin Heidelberg ISSN: 1618-954X (print version) ISSN: 1618-9558 (electronic version)  DOI: 10.1007/s10098-016-1169-0 Impact Factor 1.934

  22. W. T. Owi, H. L. Ong, S. T. Sam, C. H. Chia, S. Zakaria, M. S. Mohaiyiddin, A. R. C. Villagracia, G. N. Santos, and H. M. Akil. (2016) Comparative Study of Microcelluloses Isolated From Two Different Biomasses with Commercial Cellulose." BioResources 11, no. 2 (2016): 3453-3465.  doi:10.15376/biores.11.2.3453-3465 Impact Factor: 1.425 ISSN 19302126

  23. M. K. Anis Sofia, H.L. Ong, H. M. Akil, A. R. C.  Villagracia (2014) Effect of Compatibilizer on the Accelerated Weathering Performance of Polypropylene/Silica Nanocomposites Material Research Innovations 2014 DOI: 10.1179/1432891714Z.000000000993 ISSN: 1432-8917 (Print) 1433-075X (Online)

  24. R. Manrique, A. Ubando, A. Culaba, J. Corpuz, A. A. Padama, H. Kasai, A.R.C. Villagracia, N. Arboleda Jr., M. David (2014) A molecular dynamics investigation of water migration in a lipid bilayer for microalgae drying Philippine Science Letters Vol 7 No. 1 April 23, 2014 ISSN 2094-2818 pg 171-178

  25. P. Abanador, A. R. C. Villagracia, N. Arboleda Jr., M. David (2013) First principle investigation of atomic hydrogen adsorption on Pd-doped MgB2 Philippine Science Letters Vol 6 No. 2 October 25, 2013 ISSN 2094-2818 pg 176-181

  26. M.R. Mananghaya , A. R. C. Villagracia, A.N. Ladines , G. N. Santos and E. Rodulfo (2012) Theoretical Investigation on Single-Wall Carbon Nanotubes Doped with Nitrogen , Pyridine-like Nitrogen defects and Transition Metal Atoms Journal of Nanomaterials, Hindawi Publishing, DOI: 10.1155/2012/104891  2012 ISSN:1687-4110 (Print), ISSN:1687-4129 (Online) Volume 2012 (2012), Article ID 104891, 14 pages.

  27. M.R. Mananghaya, A. R. C. Villagracia, G. N. Santos and E. Rodulfo (2012) Theoretical Investigation on the Solubilization in Water of Functionalized Single-wall Carbon Nanotubes Applications of Nanomaterials in Biology and Medicine, Journal of Nanotechnology, Hindawi Publishing, 2012 ISSN:1687-9503 (Print); ISSN:1687-9511 (Online) DOI: 10.1155/2012/780815

 

Papers published in non ISI but Scopus-Indexed Journals:

  1. Villagracia AR, Ong HL (2020) Density functional theory investigation on hydrogen adsorption on buckled aluminene. IOP Conf Ser Earth Environ Sci 463:012105. https://doi.org/10.1088/1755-1315/463/1/012105

  2. Bayasen DS,Villagracia AR , Pedrosa GR, et al (2020) Hydrogen adsorption on calcium-decorated planar aluminene using density functional theory. IOP Conf Ser Earth Environ Sci 463:012104. https://doi.org/10.1088/1755-1315/463/1/012104

  3. Pedrosa GR, Villagracia AR, Bayasen DS, et al (2020) First principles investigation on the nitrogen-doped planar aluminene for hydrogen storage application. IOP Conf Ser Earth Environ Sci 463:012103. https://doi.org/10.1088/1755-1315/463/1/012103

  4. Itliong J, Villagracia AR , Lin Ong H, et al (2019) H 2 O Absorptivity on a Fully 4-crosslinked Polyacrylamide Membrane via Density Functional Theory and Monte Carlo Calculations for Draw Solution Recovery in Forward Osmosis. In: 2019 IEEE 11th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment, and Management ( HNICEM ). IEEE, pp 1–5

  5. Villagracia AR, Pedrosa GR, Bayasen DS, et al (2019) Elastic Properties of B, C, N-decorated on Planar Aluminene using Density Functional Theory. In: 2019 IEEE 11th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment, and Management ( HNICEM ). IEEE, pp 1–5

  6. Villagracia AR, Bayasen DS, Pedrosa GR, et al (2019) First Principles Investigation on the Elastic Properties of Mg, Ca, K-decorated Planar Aluminene. In: 2019 IEEE 11th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment, and Management ( HNICEM ). IEEE, pp 1–4

  7. Villagracia, A.R.C, Ong, H.L., David, M. and Arboleda Jr, N., 2019, June. First Principles Investigation on H2 Adsorption on the Pristine 2-Dimensional Hexagonal Aluminum. In IOP Conference Series: Earth and Environmental Science (Vol. 268, No. 1, p. 012135). IOP Publishing.

  8. Villagracia, A.R.C, David, M., Arboleda Jr, N., Ong, H.L., Doong, R., Culaba, A., Chang, J. and Chen, W., 2019, June. Investigation on water adsorption on 3-crosslinked circular polyacrylamide membrane using ab initio, molecular dynamics and monte carlo calculations for dewatering microalgae. In IOP Conference Series: Earth and Environmental Science (Vol. 268, No. 1, p. 012144). IOP Publishing.

  9. Itliong, J.N., Rojas, K.I.M., Ubando, A.T., Chen, W.H.,Villagracia, A.R.C., David, M.Y., Culaba, A.B., Ong, H.L., Moreno, J.L.V., Manrique, R.B. and Chang, J.S., 2019, March. Density Functional Theory-based modeling and calculations of a polyamide molecular unit for studying forward-osmosis-dewatering of microalgae. In 2018 IEEE 10th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management (HNICEM) (pp. 1-5). IEEE.

  10. Ong, H.L., Toh, G.Y., Villagracia, A.R.C.,Tsai, C.K., Arboleda, N., Culaba, A., Manzano, M.C., Doong, R.A., Santos, G.N. and David, M., Effect of Mesoporous Nanoparticles from LCD Glass Panels Waste toward Polypropylene Based Hybrid Composites. In 2018 IEEE 10th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management (HNICEM) (pp. 1-6). IEEE.

  11. Enriquez, J. I., Villagracia, A. R.C,  Moreno, J. L., Arboleda, N., David, M., Ubando, A., Culaba, A., & Cuello, J. (2017, December). Effect of structural and dynamical properties of lipid bilayer on water permeation studied using course-grained molecular dynamics simulation. In Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management (HNICEM), 2017 IEEE 9th International Conference on (pp. 1-7). IEEE Xplore Digital library.   Electronic ISBN: 978-1-4799-4020-2  CD-ROM ISBN: 978-1-4799-4021-9

  12. Enriquez, J.I., Villagracia, A. R.C., Moreno, J. L., Arboleda Jr, N., David, M., Ubando, A., Ong, H. L.,  Cuello, J. Coarse-Grained Molecular Dynamics Investigation on the Effects of Uniform Electric Field on DPPC Lipid Bilayer: with and without Vacuum Space. IEEE Xplore Digital library.   Electronic ISBN: 978-1-4799-4020-2  CD-ROM ISBN: 978-1-4799-4021-9

  13. A. P. Mayol, A. R. C. Villagracia, A. T. Ubando, J. B. M. Biona H. L. Ong, R. A. Espiritu, H.  Lee Jr, R. Tumlos, N. B. Arboleda Jr, and A. B. Culaba (2015). "Investigation of the drying characteristics of microalgae using microwave irradiation." In Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management (HNICEM), 2015 International Conference on, pp. 1-6. IEEE, 2015.10.1109/HNICEM.2015.7393272 IEEE Xplore Digital library.   Electronic ISBN: 978-1-4799-4020-2  CD-ROM ISBN: 978-1-4799-4021-9

  14. M. R. Ducut, A. R. C. Villagracia, J. Corpuz, N. B. Arboleda Jr., M. Y. David, R. B. Manrique, A. T. Ubando, and A. B. Culaba. "Molecular dynamics study on the effects of varying temperature and pressure on phosphatidylcholine lipids for microalgae drying." In Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management (HNICEM), 2014 International Conference on, pp. 1-4. IEEE, 2014.  10.1109/HNICEM.2014.7016255 IEEE Xplore Digital library.   Electronic ISBN: 978-1-4799-4020-2  CD-ROM ISBN: 978-1-4799-4021-9

 

 

 

Papers published in non ISI and non Scopus-Indexed Journals

  1. D. Bacuyag, A. R. C. Villagracia, N. Arboleda Jr., M. David (2014) The Role of Gold on N-isopropylacrylamide (NIPAM) for Drug Delivery: A density functional theory study Proceedings of the 32nd Congress  of Samahang Pisika ng Pilipinas ISSN 1656-2666

  2. D. V. Perez, R. Manrique, A. Ubando, A. Culaba, J. Corpuz, A. A. Padama, H. Kasai, A. R. C. Villagracia, N. Arboleda Jr., M. David (2014) A Computational Study on Temperature and Pressure Parameters for Water Extraction on Microalgae using Big Multipole Water – Martini Forcefield on GROMACS Simulation Proceedings of De La Salle University Science and Technology Research Congress ISBN 97155555 12-8

  3. R. Manrique, A. Ubando, A. Culaba, A. R. C. Villagracia, M. David,N.  Arboleda Jr. (2013) Modelling of Microalgae drying process suing Computational Methods: A First Step Proceedings of De La Salle University Research Congress ISBN 97155555 12-8

  4. A. R. C. Villagracia, D. Dino, H. Kasai (2012) Preliminary investigation on Water Dissociation on Iron Surface (001) Proceedings of De La Salle University Science and Technology Congress ISBN 97155555 12-8

  5. A. A. Padama, A. R. C. Villagracia, N. Arboleda Jr.,  R. Pobre,  and R. Quiroga (2009) Density Functional Theory Investigation on the Adhesion of Aluminum Atom to Epoxy ortho- Cresol Novolac Monomer Proceedings of 27th Congress of Samahang Pisika ng Pilipinas  ISSN 1656-2666

  6. A. R. C. Villagracia, A. A. Padama, R. Pobre, E. Manzano, M.C. Manzano, R. Quiroga (2009) Ab Initio Investigation on Geometrically Optimized Dimer-Pyrrole and Aluminum Atom Interaction Proceedings of 27th Congress of Samahang Pisika ng Pilipinas ISSN 1656-2666

  7. I. H. Arellano, A. A.  Padama, A. R. C. Villagracia, R. Pobre (2009) DFT Calculation and Infrared Spectroscopic Studies On Free-Base Porphine And Meso-substituted Porphyrin Proceedings of 24th Philippine Chemistry Congress Asia-Pacific Conference on Chemistry Education

  8. A. A. Padama, A.R.C. Villagracia, N. Arboleda,  R. Pobre,  and R. Quiroga (2009) DFT  Investigation on the Adhesion of Aluminum Atom to Epoxy ortho- Cresol Novolac Monomer  Philippine Physics Society Journal (Vol. 31)

  9. A. R. C. Villagracia, R. Pobre (2009) Mapping of Coastal Marine Habitat on Manila Bay Using Landsat Images by Multispectral Classification Commission on Higher Education-CALABARZON Research Council (CHED-CRC) Conference Proceedings 2009

  10. A. A. Padama, A. R. C. Villagracia, N. Arboleda Jr,  R. Pobre,  and R. Quiroga (2009) Density Functional Theory Investigation on the Adhesion of Epoxy ortho- Cresol Novolac Monomer to Aluminum Surface Proceedings of 12th Osaka University & De La Salle University Academic Research Workshop Science And Technology Congress ISBN 97155555 12-8

  11. A. R. C. Villagracia, A. A. Padama, R. Pobre, E. Manzano, M.C. Manzano, R. Quiroga (2009) Ab Initio Investigation on the adhesion of aluminum atom to Dimer-Pyrrole Proceedings of the 12th Osaka University & De La Salle University Academic Research Workshop Science And Technology Congress ISBN 97155555 12-8

  12. A. R. C. Villagracia, A. A. Padama, R. Pobre, E. Manzano, M.C. Manzano, R. Quiroga (2009)  Ab Initio Investigation on Geometrically Optimized Dimer-Pyrrole and Aluminum Atom Interaction Philippine Physics Society Journal (Vol. 31)

  13. A. R. C. Villagracia, A. A. Padama, R. Pobre, E. Manzano, M.C. Manzano, R. Quiroga (2008) Preliminary Investigation of Pyrrole Adsorption on Aluminum, Copper and Silicon Surface 001Proceedings of the 11th Osaka University & De La Salle University Academic Research Workshop Science And Technology Congress Physics Department, Osaka University and De La Salle University ISBN 97155555 12-8

  14. A. R. C. Villagracia, R. Pobre (2008) Classification Of Coral Reefs and Seagrass Using LANDSAT 7 Proceedings of the 26th Congress of Samahang Pisika ng Pilipinas ISSN 1656-2666

  15. A. R. C. Villagracia, R. Pobre (2005) Multispectral Classification of Coastal Marine Habitats Using LANDSAT Images Proceedings of the 7th Osaka University and De La Salle University Academic Research, Physics Department, Osaka University and De La Salle University ISBN 97155555 12-8

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