Browsing Turnitin Report by Author "Usman, Usman"
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AKTIVITAS ANTIOKSIDAN EKSTRAK ETIL ASETAT DAUN DAN KULIT BATANG MANGROVE Rhizopora mucronata
Usman, Usman; Arya Dwinata, Putra (Jurusan Kimia FMIPA Unmul, 2021-01)Kekayaan tumbuhan Indonesia banyak dimanfaatkan sebagai alternatif pengobatan penyakit degeneratif. Salah satu tumbuhan yang diketahui memiliki khasiat sebagai bahan obat alternatif adalah tumbuhan mangrove jenis ... -
AKTIVITAS ANTIOKSIDAN EKSTRAK METANOL DAUN MANGROVE
Aisyah, Fitri; Usman, Usman (Jurusan Kimia FMIPA Unmul, 2021-10-04)Hutan tropis Indonesia menyimpan ribuan spesies tumbuhan obat yang sudah dikenal sejak zaman dahulu. Salah satu jenis tumbuhan yang dapat dimanfaatkan masyarakat sebagai obat tradisional adalah tanaman mangrove. Tanaman ... -
Aktivitas antioxidan ekstrak metanol bunga Gmelina elliptica dari Kalimantan Timur
Usman, Usman; Sukemi, Sukemi; Yessi Maulida, Mardian; Herliani, Herliani; Eadvin Rosrinda, Awang Sari; Enos Tangke, Arung (Bivalen: Chemical Studies Journal, 2022-11-30)Gmelina elliptica was used by villager at Talisayan village, East Kalimantan, to treat otorrhea. Researches on biological and antioxidant activities of G. elliptica have been done. However, researches on antioxidant ... -
Analisis fitokimia dan aktivitas antimikroba ekstrak diklorometan kulit batang Melochia umbellata (Houtt) Stapf var. Degrabrata
Usman, Usman (Bivalen: Chemical Studies Journal (BCSJ) 2022, 2022-05-31)Telah dilakukan uji fitokimia dan penentuan aktivitas antimikroba ekstrak diklorometana Melochia umbellata (Houtt) Stapf var Degrabrata terhadap bakteri uji Staphillococcus aureuasn, Bacillus substilis, Escerecia coli, ... -
Antibacterials Activity of Escherichia coli and Salmonella typhi by Acetone Extract of the Lichen Usnea sp.
Andi Nafisah, Tendri Adjeng; Akhmad, Darmawan; Prima Endang, Susilowati; Besse, Vika; Andi, Musdalifah; Usman, Usman; Nurlansi, Nurlansi; Muhammad, Nurdin; Maulidiyah, Maulidiyah (AIP Conference Proceedings, 2023-05-02)Lichen organisms have been used by the community as traditional herbal ingredients, especially lichens of the genus Usnea sp.. In this study, we focused on examining the effect of the acetone extract lichen Usnea sp. in ... -
Antidiabetic Activity of leaf extract from three types of Mangrove Originating from Sambera Coastal Region Indonesia
Usman, Usman (rjptonline.org, 2019-04-30)This study designed to determine the antidiabetic profile ethanol extracts of leaf extract from three types of mangroves; Avicennia sp., Rhizopora sp, and Sonneratia sp. Extraction process used maceration with ethanol ... -
Antidiabetic Activity of leaf extract from three types of Mangrove Originating from Sambera Coastal Region Indonesia
Usman, Usman; Muh., Amir M; Farah, Erika; M., Nurdin; Hadi, Kuncoro (2019-04-30)This study designed to determine the antidiabetic profile ethanol extracts of leaf extract from three types of mangroves; Avicennia sp., Rhizopora sp, and Sonneratia sp. Extraction process used maceration with ethanol ... -
Antioxidant Activity of Secondary Metabolite Compounds from Lichen Teloschistes flavicans
Usman, Usman (Wordpress, 2021-03-01)In the last decade, lichen has become a research interest related to exploring secondary metabolites compounds. Lichen is a unique organism and contains specific chemical compounds rarely found in other natural sources; ... -
Antioxidant and Antidiabetic from Rhizophora mucronata Derived from Sambera Beach, East Kalimantan, Indonesia
Usman, Usman (Tropical Journal of Natural Poduct Research (TJNPR), 2023-11-01) -
BIOACTIVITY TEST OF COMPOUND (Hexa-Tetra Contana) FROM SPONGE (Callyspongia pseudoreticulata) AS ANTIBACTERIAL OF WITHERED DISEASE ON POTATO PLANT (Ralstonia solanacearum)
Usman, Usman (2017-10-20)Sponge is one of the marine organisms of coral reefs that is able to produce secondary metabolite compounds with varieties of bioactivity and structural variations; one of its biological activities is as an antimicrobial. ... -
Bioactivity Test of Compound (Hexa-Tetra Contana) From Sponge (Callyspongia pseudoreticulata) As Antibacterial of Withered Disease on Potato Plant (Ralstonia solanacearum)
Usman, Usman (UbiJournal Pvt Ltd, 2017-10-05)Sponge is one of the marine organisms of coral reefs that is able to produce secondary metabolite compounds with varieties of bioactivity and structural variations; one of its biological activities is as an antimicrobial. ... -
BIOACTIVITY TEST OF COMPOUND (Hexa-Tetra Contana) FROM SPONGE (Callyspongia pseudoreticulata) AS ANTIBACTERIAL OF WITHERED DISEASE ON POTATO PLANT (Ralstonia solanacearum)
Usman, Usman (2017-10-20)Sponge is one of the marine organisms of coral reefs that is able to produce secondary metabolite compounds with varieties of bioactivity and structural variations; one of its biological activities is as an antimicrobial. ... -
Bioaktivitas dan Kandungan Senyawa Kimia Tumbuhan Merung (Coptosapelta tomentosa)
Usman, Usman (JSK Farmasi Unmul, 2023-06-15)Coptosapelta tomentosa (sinonim: Coptosapelta flavescens Korth) merupakan salah satu tumbuhan obat yang banyak digunakan secara tradisional. Coptosapelta tomentosa dikenal dengan nama lokal Merung di Kalimantan Timur. ... -
Developing IT-Based Learning Media of the Aufbau Electron Configuration Principle in Constructivism Oriented Chemistry Learning to Improve Mastery of Concepts and Problem Solving Skills
Muhammd, Aripin; Mukhamad, Nirhaidi; Muh, Amir; Usman, Usman (AIP Conference Proceedings 2540, 040005 (2023), 2023-01-27)The development of IT-based Aufbau electron configuration principle media has been conducted. This study aims to identify the validity, practicality and effectiveness of the use of the media to improve students’ mastery ... -
Development Of Integrated Instrument Components Learning Media (KIT) Tamoka Pain Of Chemical Bonding Through Guided Inquiry Learning Model For X Class IPA Students Of SMAN 7 Samarinda
Sutarman, Sutarman; Usman, Usman; Lambang, Subagiyo (2023-01)Background: According to media expert validators, the average percentage score of aspects of content/material, linguistic, presentation, technical quality and effects on learning strategies is 93.50% while student ... -
Development of Learning Media for Chemistry Playing Cards Digital (Kami Kita) On Colloidal Material System
Damianus, Erik; Muhammad Amir, Masruhim; Aman Sentosa, Panggabean; Usman, Usman (Publisher: www.iosrjournals.org, 2022-07)Background: Thischemistrycardmediaprovidesopportunitiesforstudentstolearnactivelyanddevelopcreativeabilitiesinunderstan dingchemistryusinggames. The form of playing card games in chemistry learning is not muchdifferent ... -
Development of Learning Media for Chemistry Playing Cards Digital (Kami Kita) On Colloidal Material System
Damianus, Erik; Muhammad Amir, Masruhim; Aman Sentosa, Panggabean; Usman, Usman (Publisher: www.iosrjournals.org, 2022-07)Background: Thischemistrycardmediaprovidesopportunitie sforstudentstolearnactivelyanddevelopcreativeabilitiesinunderstan dingchemistryusinggames. The form of playing card games in chemistry learning is not muchdifferent ... -
Development of Learning Media for Chemistry Playing Cards Digital (Kami Kita) On Colloidal Material System
Damianus, Erik; Muhammad Amir, Masruhim; Aman Sentosa, Panggabean; Usman, Usman (2022-07)Background: Thischemistrycardmediaprovidesopportunitiesforstudentstolearnactivelyanddevelopcreativeabilitiesinunderstan dingchemistryusinggames. The form of playing card games in chemistry learning is not muchdifferent ... -
The Effectiveness of Using Learning Media 3D Pop-Up Chemistry Assisted by Project Based Learning (PjBL) Learning Model Against Student Learning Outcomes on the Subject of Colloid Systems in SMA Negeri 12 Samarinda
Ijai, Ijai; Lambang, Subagiyo; Nurlaili, Nurlaili; Usman, Usman (www.iosrjournals.org,, 2021-04-01)Background: Learning media is one important aspect that can affect the quality of student learning at school. Lack of use of media in the learning process can affect student motivation and learning outcomes in schools, ... -
An Evaluation of the Antidiabetic and Antimicrobial Activity of an Ethanolic Extract from Rhizophora mucronata Leaf
Usman, Usman; Pintaka, Kusumaningtyas; Sukemi, Sukemi; Erwin, Erwin (JSK Fakultas Farmasi Unmul, 2023-08)The aim of this research was to determine the antidiabetic and antimicrobial properties of ethanolic extract of Rhizophora mucronata leaves, as well as the phytochemical elements contained in the leaf extract. Extracts ...