Publications
Bioremediation of oil-polluted marine environment
- Nuñal, S.N., Santander-de Leon, S.M., Hongyi, W., Regal, A.A., Toshikawa, T., Okunishi, S., and Maeda, H. (2017) Hydrocarbon degradation and bacterial community responses during remediation of sediment artificially contaminated with heavy oil. Biocontrol Sci. 22 (4): 187-203.
- Nuñal, S.N., Santander-de Leon, S.M., Bacolod, E., Koyama, J., Uno, S., Yoshikawa, T., and Maeda, H. (2014) Bioremediation of heavy oil-polluted seawater by bacterial consortium immobilized in cocopeat and rice hull powder. Biocontrol Sci. 19 (1):11-22.
- Nuñal, S.N., Santander-de Leon, S.M., Nakano, M., Saclauso, C., Yoshikawa, T., and Maeda, H. (2014) Isolation, identification and characterization of oil-degrading bacterial strains from Guimaras, Philippines for bioremediation application. DNA Polymorphism 22 (1):1-9.
- Nuñal, S.N., Florece, C.M., Treyes, M.A. (2017) Antagonistic activities against foodborne pathogens and use as functional starter cultures of bacterial strains isolated from fermented shrimp paste. Phil. J. Nat. Sci. 21-1:26-36.
- Nuñal, S.N., Serrano, A., Serraspe, E., Maeda, H. (2008) Biochemical properties of extracellular phytases from Bacillus spp..Mem. Fac. Fish. Kagoshima Univ., Special Issue: 49-55.
- Alolod G.A.L. and Nuñal, S.N. (2018) Optimisation of the Enzymatic Hydrolysis of Oneknife Unicornfish, Naso thynnoides (Cuvier 1829) Skin Gelatin. Asian Fish. Sci. 31:230-244.
- Santander-de Leon, S.M., Nuñal, S.N., Wei, H., Yoshikawa,T., Maeda H. (2017) Bacterial community composition shifts in sediments influenced by fish feeds. Aqua. Res. 48-8: 4380-4389.
- Caigoy, J.C., Nuñal, S.N., Berco, R.S. (2016) Isolation and identification of photosynthetic bacteria (PSB) from fish processing waste water and its biomass production using supplemental carbon sources. Phil J. Nat. Sci. 21-1:37-47.
- Posadas, N.D., Nuñal, S.N., Sedanza, M.G., Serrano A. E. (2016) Isolation and characterization of fermentative microorganism from solid state fermented Rhizoclonium riparium var. implexum (Dillwiyn) Phil J. Nat. Sci. 21-1:48-60.
- Sedanza, M.G., Posadas, N.D., Serrano, A.E., Nuñal, S.N., Pedroso, F.L., Yoshikawa T. (2016) Development of aquafeed ingredient by solid state fermentation of the crinklegrass, Rhizoclonium riparium on a laboratory scale. AACL Bioflux 9-3:733-740.
- Wei, H., Okunishi, S., Yoshikawa, T., Kamei, Y., Dawwod, M., Santander-de Leon, S.M., Nuñal, S.N., Maeda, H. (2016)Synergistic effet of photosynthetic bacteria and isolated bacteria in their antifungal activities against root rot fungi. Biocontrol Sci. 21-3: 173-177.
- Francisco, F.M., Simora, R.M., Nuñal, S.N. (2015) Deproteination and demineralization of shrimp waste using lactic acid bacteria for the production of crude chitin and chitosan. AACL Bioflux 8-1:1-10.
- Santander-de Leon, S.M., Reichardt, W., Peralta-Milan, S., San Diego-McGlone, M.L., Nuñal, S.N., Wei, H., Yoshikawa,T., Okunishi, S., Maeda H. (2015) Bacterial community composition shifts of sediments from a milkfish Chanos chanos Forsskal farm. Aqua. Res. 47-8:2569-2581. Santander-De leon, S.M., Okunishi, S., Kihira, M., Nakano, M., Nuñal, S., Hidaka, M., Yoshikawa, T., Maeda, H. (2013) Characterization of the bacterial community in the sediment of a brackish lake with oyster aquaculture. Biocontrol Sci. 18,1:29-40.
- Santander-De leon, S.M., Okunishi, S., Kihira, M., Nakano, M., Nuñal, S., Hidaka, M., Yoshikawa, T., Maeda, H. (2013) Effect of magnesium peroxide biostimulation of fish feed-loaded marine sediments on changes in the bacterial community. Biocontrol Sci. 18,1:41-51.
- Dechavez, R., Serrano, A., Nuñal, S. and Caipang, C. (2011) Production and characterization of phytase from Bacillus spp. as feed additive in aquaculture. AACL Bioflux. 4(3): 394-403.
- Serrano, A. , Nuñal, S. N. (2007) Rapid detection of Vibrio harveyi from water samples by dipslide. UPV J. Nat. Sci. 12: 53-58.
- Traifalgar, R.F.T, Nuñal, S. N., Serrano, A. (2004) Selected properties of α-amylase of the tropical marine rotifer, Brachionus rotundiformis. UPV J. Nat. Sci. 4(2):110-119.
Research Activities
- Project Leader, Technology transfer of improved dried products from low value fish species (on-going as of Jan 2019). CHED-NAFES.
- Project Leader, Characterization and development of bioactive protein and lipid products from mussels as food supplement and functional food ingredient (on-going as of Jan 2019). DOST-PCAARRD.
- Project Leader, Detection of foodborne pathogens along the supply chain of fresh oyster and mussel and its culture environment (completed 2018). University of the Philippines System.
- Project Leader, Isolation of microorganisms with industrial applications from fishery products and processing wastes (completed 2017). University of the Philippines Visayas.
- Project Staff, Primary Processing Techniques for the Philippine Green Mussel Perna Viridis (completed 2017). DOST.
- Project Leader, Bacterial community shifts and immune responses to stressors in corals (completed 2017). University of the Philippines Visayas.
Awards and Distinctions
- Recipient, UP Visayas Chancellor’s Award for Outstanding Performance as Assistant Professor, February 20, 2018
- Recipient, Outstanding Miagaoanon Award, February 2016
- Recipient, Best Paper Award. The Society of Antibacterial and Antifungal Agents, Japan, Osaka, May 19, 2015
- Recipient, Excellent Oral Presentation Award. International Workshop on Biogeochemical Cycling and Microbial Ecology for Young Scientist. Kyoto University Center for Ecological Research, March 19 2013.
- Recipient, Japanese Government Scholarship 2008-2014
- Recipient, International Publication Award, University of the Philippines System 2006 and 2015.
- Recipient, AFMA R&D Paper Award. Dept. of Agriculture. Bureau of Agricultural Research. Philippines. Oct 3-5, 2006
- Recipient, 1st place Scientific Poster Presentation, 3rd Annual Meeting of the National Research Council of the Philippines (NRCP) Visayas Regional Cluster. May 11-12, 2006.
- Member, The Philippine Society of Fisheries Technologists
- Passer, Philippine Civil Service Professional Exam
- Passer, Philippine National licensure examination for Fisheries Technologists