| Skrining Fitokimia dan Penetapan Kandungan Total Fenolik Ekstrak Daun Tumbuhan Sapu-Sapu (Baeckea frutescens L.) DS Ningsih, H Henri, O Roanisca, RG Mahardika Biotropika: Journal of Tropical Biology 8 (3), 178-185, 2020 | 30 | 2020 |
| Ekstraksi daun pelawan (Tristaniopsis merguensis) sebagai antioksidan menggunakan microwave assisted extraction (MAE) S Enggiwanto, F Istiqomah, K Daniati, O Roanisca, RG Mahardika Indonesian journal of pure and Applied Chemistry 1 (2), 50-55, 2018 | 28 | 2018 |
| Aktivitas antioksidan dan fitokimia dari ekstrak etil asetat pucuk idat (Cratoxylum glaucum) RG Mahardika, O Roanisca Indonesian Journal of Chemical Research 5 (2), 69-74, 2018 | 24 | 2018 |
| Microwave-Assisted Extraction of Polyphenol Content from Leaves of Tristaniopsis merguensis Griff. RG Mahardika, O Roanisca Asean journal of chemical engineering 19 (2), 110-119, 2019 | 22 | 2019 |
| Kapasitas antioksidan ekstrak buah rukam (Flacourtia rukam) menggunakan metode Microwave Assisted Extraction (MAE) I Fadiyah, I Lestari, RG Mahardika Indonesian Journal of Chemical Research 7 (2), 107-113, 2020 | 17 | 2020 |
| Pendampingan Usaha Mikro dan Masyarakat Desa Balunijuk dalam Mewujudkan Kampung HalalL O Roanisca, M Yusnita, RG Mahardika Agrokreatif: Jurnal Ilmiah Pengabdian Kepada Masyarakat 6 (2), 173-180, 2020 | 14 | 2020 |
| Uji aktivitas antioksidan ekstrak buah rukam (Flacourtia rukam) menggunakan metode maserasi I Fadiyah, I Lestari, S Victory, RG Mahardika Proceedings of National Colloquium Research and Community Service 3, 64-68, 2019 | 12 | 2019 |
| Antioxidant activity and phytochemical of extract ethyl acetat pucuk idat (Cratoxylum glaucum). Indo RG Mahardika, O Roanisca J. Chem. Res 5 (2), 481-486, 2018 | 12 | 2018 |
| Tristaniopsis merguensis Griff. extract as inhibitor for corrosion of stainless steel O Roanisca, RG Mahardika, Y Setiawan IOP Conference Series: Earth and Environmental Science 353 (1), 012020, 2019 | 11 | 2019 |
| Fenolik total fraksi etil asetat daun pelawan (Tristaniopsis merguensis Grifft.) RG Mahardika, O Roanisca, FIP Sari Jurnal Sains dan Edukasi Sains 3 (1), 8-14, 2020 | 10 | 2020 |
| Potensi Antibakteri Ekstrak Daging Buah Kelubi (Eleiodoxa conferta) Bangka Belitung Menggunakan Microwave-Assisted Extraction (MAE) S Surtina, RP Sari, Z Zulita, R Rani, O Roanisca, RG Mahardika Indonesian Journal of Chemical Research 7 (2), 177-182, 2020 | 10 | 2020 |
| Potensi Ekstrak Daun Senduduk (Melastoma malabathricum Linn.) Sebagai Antibakteri terhadap Pseudomonas aeruginosa dan Staphylococcus aureus D Safitri, O Roanisca, RG Mahardika Chimica et Natura Acta 9 (2), 74-80, 2021 | 9 | 2021 |
| Citrus x microcarpa bunge fruit extract as antibacterial against staphylococcus aureus O Roanisca, RG Mahardika IOP Conference Series: Earth and Environmental Science 599 (1), 012043, 2020 | 9 | 2020 |
| Purification of silica from tin tailing by acid leaching methods F Afriani, J Evi, R Mahardika, R Rafsanjani, Y Tiandho International Conference on Maritime and Archipelago (ICoMA 2018), 5-7, 2019 | 8 | 2019 |
| Screening Fitokimia dan Aktivitas Antioksidan dari Ekstrak Aseton Pucuk Iding-Iding Stenochlaena Palustris Bangka O Roanisca, RG Mahardika Seminar Nasional Penelitian dan Pengabdian pada Masyarakat 2017, 45-51, 2017 | 8 | 2017 |
| Sintesis Karbon Aktif Tempurung Ketapang (Terminalia catappa) Sebagai Adsorben Minyak Jelantah M Megiyo, H Aldila, F Afriani, RG Mahardika, S Enggiwanto Prosiding SNFA (Seminar Nasional Fisika Dan Aplikasinya) 2, 137-145, 2017 | 8 | 2017 |
| Chlorophyll a concentration of phytoplankton in estuary mangrove Kurau, Bangka Tengah, Indonesia E Utami, RG Mahardika, D Rosalina IOP Conference Series: Earth and Environmental Science 926 (1), 012032, 2021 | 7 | 2021 |
| Phytochemical Screening and Antibacterial Potency of Jeruk Kunci Fruit Waste (Citrus x microcarpa Bunge) Extract Against Propionibacterium acnes O Roanisca, R Rani, RG Mahardika Jurnal Pijar Mipa 16 (3), 387-392, 2021 | 7 | 2021 |
| Inhibition of α-Glucosidase Activity and The Toxicity of Tristaniopsis merguensis Griff. Leaf Extract RG Mahardika, O Roanisca, FIP Sari Elkawnie: Journal of Islamic Science and Technology 6 (1), 67-76, 2020 | 7 | 2020 |
| Total phenolic and antioxidant capacity of acetone extract of tristaniopsis merguensis leaves O Roanisca, RG Mahardika, FIP Sari Stannum: Jurnal Sains dan Terapan Kimia 1 (1), 10-13, 2019 | 7 | 2019 |
Occa RoaniscaLecturer of Organic Chemistry, Bangka Belitung UniversityEmail yang diverifikasi di ubb.ac.id
