| Pengaruh penggunaan isu sosiosaintifik dalam model pembelajaran berbasis masalah terhadap keterampilan berpikir tingkat tinggi siswa WUD Sismawarni, U Usman, N Hamid, P Kusumaningtyas Jambura Journal of Educational Chemistry 2 (1), 10-17, 2020 | 18 | 2020 |
| Phytochemical and Antioxidant Activity Evaluation of The Bark of Tampoi (Baccaurea macrocarpa) UU Erwin Erwin, Widar Ristiyani Pusparohmana, Indah Permata Sari, Rita Hairani F1000Research 1 (1), 1-9, 2018 | 16* | 2018 |
| Antidiabetic Activity of Leaf Extract from Three Types of Mangrove Originating from Sambera Coastal Region Indonesia U Usman, M Amir Masruhin, F Erika, M Nurdin, H Kuncoro Research Journal of Pharmacy and Technology 12 (4), 1707-1712, 2019 | 15 | 2019 |
| Isolation of Secondary Metabolite Compounds and Antibacterial Activities Tests From Hexane Extract of Stem Bark Melochia umbellate (Houtt) Stapf var. degrabrata K U Usman, M Amir 2017 International Conference on Education and Technology (2017 ICEduTech …, 2017 | 15 | 2017 |
| Antioxidant activity of secondary metabolite compounds from lichen Teloschistes flavicans M Maulidiyah, A Darmawan, U Usman, A Musdalifah, LOA Salim, ... Biointerface Res. Appl. Chem 11, 13878-13884, 2021 | 12 | 2021 |
| Toksisitas ekstrak etanol mangrove Sonneratia alba terhadap larva nyamuk Aedes aegypti U Usman, M Malik, RRM Ekwanda, T Hariyanti Jurnal Sains dan Kesehatan 2 (3), 222-227, 2020 | 10 | 2020 |
| Isolation and characterization of stigmasterol and β-sitosterol from wood bark extract of Baccaurea macrocarpa Miq. Mull. Arg E Erwin, WR Pusparohmana, RD Safitry, E Marliana, E Usman, ... Rasayan J. Chem. 13, 2552-2558, 2020 | 10 | 2020 |
| Analisis Kandungan Logam Berat Pb dan Cd di Muara Sungai Manggar Balikpapan U Godfrida Any Yusriana Dewi, S. A. Samson Ecotrophic 12 (2), 1-13, 2018 | 10* | 2018 |
| UJI FITOKIMIA DAN UJI ANTIBAKTERI DARI AKAR MANGROVE RHIZOPORA APICULATA TERHADAP BAKTERI ESCHERICHIA COLI DAN STAPHYLOCOCCUS AUREUS U Evi Ratna Oktavianti Dewi Seminar Nasional Tumbuhan Obat Indonesia Ke-50, 50 (50), 183-193, 2016 | 10* | 2016 |
| Skrining Fitokimia dan Bioaktivitas Tumbuhan Bakau Api-Api Putih (Avicennia alba Blume) E Erwin, D Nuryadi, U Usman Jurnal Sains dan Kesehatan 2 (4), 311-315, 2020 | 7 | 2020 |
| Acid Base Indicator from Shoot-Leaves Ethanol Extract of Pucuk Merah (Syzygium oleana) S Sukemi, U Usman, BI Putra, W Purwati, NN Rahmawati, SDA Pradani JKPK (Jurnal Kimia Dan Pendidikan Kimia) 2 (3), 139-144, 2018 | 7 | 2018 |
| Pengaruh media monopoli terhadap hasil belajar siswa SMA pada pokok bahasan larutan elektrolit dan nonelektrolit WR Hafinah, R Kusumawardani, U Usman Bivalen: Chemical Studies Journal 2 (2), 20-23, 2019 | 6 | 2019 |
| Pengaruh penggunaan model pembelajaran make a match dalam model pembelajaran team Games Tournament terhadap hasil belajar siswa SMA pada pokok bahasan tata nama senyawa D Aryati, U Usman, A Majid Bivalen: Chemical Studies Journal 1 (1), 01-04, 2018 | 6 | 2018 |
| Phytochemical test and antibacterial test of Rhizopora apiculata mangrove-root against Escherichia coli and Staphylococcus aureus bacteria U Usman JKPK (Jurnal Kimia dan Pendidikan Kimia) 2 (3), 169-177, 2018 | 6 | 2018 |
| Toxicity and Antimicrobial Activity from Extract and Oleanan Derivative Compounds of The Bark Melochia umbellate (Houtt) Stapf var. Degrabrata. AA Usman, Nunuk Hariani Soekamto, Hanapi Usman International Journal of Pharma and Bio Sciences (IJPBS) 5 (3), 231 - 238, 2014 | 6* | 2014 |
| Uji aktivitas antioksidan dan antidiabetes ekstrak daun mangrove Rhizopora mucronata U Usman, D Fildzania, I Fauzi J. Sains dan Kesehat 4 (1), 28-35, 2022 | 5 | 2022 |
| Effectiveness of Using Google Forms in the Problem Based Learning Model to Increase the Critical Thinking Ability of High School Students U Usman, EE Sari, A Hakim 2nd Educational Sciences International Conference (ESIC 2019), 4-7, 2020 | 5 | 2020 |
| Pengaruh pendekatan contextual teaching and learning dengan model pembelajaran problem posing terhadap hasil belajar siswa pada materi hidrokarbon S Marsuki, M Nurhadi, U Usman Bivalen: Chemical Studies Journal 2 (2), 34-36, 2019 | 5 | 2019 |
| Misconception Identification of Buffer Solution Concept and Students’ Learning Style A Majid, M Amir, BK Prahani IOSR Journal of Research & Method in Education 8 (2), 47-54, 2018 | 5 | 2018 |
| Isolation and Characterization of Stigmasterol and β-Sitosterol From Wood Bark Extract of Baccaurea macrocarpa Miq. Mull. Arg U Usman Rasayan Journal of Chemistry 13 (4), 7, 2020 | 4 | 2020 |
Prof. Dr. Ir. Erwin, S.Si., M.Si.Department of Chemistry Mulawarman UnivesityVerified email at fmipa.unmul.ac.id
