{"id":334,"date":"2015-08-25T11:18:24","date_gmt":"2015-08-25T11:18:24","guid":{"rendered":"https:\/\/science.sjp.ac.lk\/che\/?page_id=334"},"modified":"2021-02-02T14:21:47","modified_gmt":"2021-02-02T14:21:47","slug":"dr-m-g-c-padumadasa","status":"publish","type":"page","link":"https:\/\/science.sjp.ac.lk\/che\/dr-m-g-c-padumadasa\/","title":{"rendered":"Prof. Chayanika Padumadasa"},"content":{"rendered":"
<\/a><\/h5>\n

Professor<\/strong><\/p>\n

B.Sc. (Colombo), Ph.D. (University of Oxford, UK)<\/p>\n

F. I. Chem. C., C. Chem<\/p>\n

Biosketch:<\/strong><\/p>\n

B.Sc. – University of Colombo, Sri Lanka, 2001
\nPh.D. – University of Oxford, UK, 2008
\nVisiting scholar – Natural Products Research Center, University of Arizona, USA, 2016\/17<\/p>\n

 <\/p>\n

Undergraduate Teaching:<\/span><\/strong><\/p>\n

CHE 109 1.0 Organic Chemistry II<\/p><\/blockquote>\n

CHE 381 1.0 Synthetic Organic Chemistry<\/p><\/blockquote>\n

CHE 358 1.0 Advanced Organic Spectroscopy<\/p><\/blockquote>\n

ICH 365 1.0 Spectroscopic mMethods, Instrumentation and Applications III<\/p><\/blockquote>\n

Division:<\/strong>
\nOrganic Chemistry<\/p>\n

Research interest :<\/strong><\/p>\n

Isolation and characterization of biologically active secondary metabolites from medicinal plants. Synthesis of nano materials functionalized with phytochemicals (secondary metabolites) for therapeutic applications.<\/p>\n

Selected Publications:<\/strong><\/p>\n

C. Padumadasa, Y. M. Xu, E. M. K. Wijeratne, P. Espinosa-Artiles, J. M. U\u2019Ren, A. E. Arnold and A. A. L. Gunatilaka. Cytotoxic naphthoquinones and other metabolites from Teratosphaeria sp. FL2137, a fungus associated with foliage of Pinus clausa. J. Nat. Prod.<\/em>2018<\/strong>, 81(3): 616-624.<\/p>\n

TM Samantha Gome Tennakoon, GM Kamal Bandara Gunaherath, K Tuley Dayananda De Silva, Chayanika Padumadasa, D Siril Abeywickrama Wijesundara, Ajita Mahendra Abeysekera.<\/em>\u00a0Auto-oxidation of\u00a0Ent<\/em>-beyer-15-en-19-al isolated from the essential oil of the heartwood of\u00a0Erythroxylum monogynum<\/em>\u00a0Roxb.: formation of 15,16-epoxy-ent<\/em>-beyeran-19-oic acid and other products.\u00a0BMC Chemistry<\/em>\u00a014,\u00a0<\/strong>18 (2020).<\/p>\n

C P Ekanayake, M G Thammitiyagodage, S Padumadasa, B Seneviratn, C Padumadasa and Ajit Abeysekara, Acute and subacute toxicity studies of the ethyl acetate soluble proanthocyanidins of the immature inflorescence of Cocos nucifera<\/em> L. in female Wistar rats, BioMed Research International 2019<\/strong>, 2019:1-12.<\/p>\n

N S Adhihetty and C Padumadasa, Correlation of variation in the percentage of compounds responsible for mosquito repellent activity in citronella oil over time with mosquito repellent efficacy of commercial citronella oil samples and sprays. International Journal of Pharmaceutical Sciences and Research. 2019<\/strong>, 10(1): 189-194.<\/p>\n

W T H C Wickramasinghe, L D C Peiris and C Padumadasa, Chemical and biological studies of value-added cinnamon products in the Sri Lankan market. International Journal of Pharmaceutical Sciences and Research. 2018<\/strong>, 9(11): 4674-4681.<\/p>\n

K R V Bandara, C Padumadasa and L D C Peiris, Potent antibacterial, antioxidant and toxic activities of extracts from Passiflora suberosa<\/em> L. leaves. <\/strong>PeerJ. 2018<\/strong>, 6:e4804.<\/p>\n

C. Padumadasa, A. A. L. Gunatilaka. Review of Medicinal and Aromatic Plants-Industrial Profiles. J. Nat. Prod. 2017<\/strong>, 80 (1), 230\u2013231.<\/p>\n

C. Padumadasa, D. Dharmadana, A. M. Abeysekera, M. G. Thammitiyagoda. In vitro<\/em> antioxidant, anti-inflammatory and anticancer activities of ethyl acetate soluble proanthocyanidins of the inflorescence of Cocos nucifera<\/em> L. BMC Complimentary and Alternative Medicine<\/em>. 2016<\/strong>, 16 (345), 1-6.<\/p>\n

T. M. S. G. Tennakoon, A. M. Abeysekera, K. T. D. de Silva, C. Padumadasa and D. S. A. Wijesundara. Essential Oil Composition of Platostoma menthoides<\/em> (L.) A. J. Paton whole plant. Journal of Essential Oil Bearing Plants<\/em>. 2016<\/strong>, 19 (6), 1516-1520.<\/p>\n

 <\/p>\n

Awards:<\/strong><\/p>\n