Items where Author is "Nainggolan, Bajoka"

Nainggolan, Bajoka and Situmorang, Manihar and Silaban, Ramlan (2021) Pengembangan Model Pembelajaran Inovatif Berbasis Proyek Berorientasi KKNI Untuk Meningkatkan Kompetensi Mahasiswa. In: Prosiding Seminar Nasional Kimia & Pendidikan Kimia#2 - 2021, 11 Desember 2021, Medan.

Nainggolan, Bajoka (2021) Pengembangan Model Pembelajaran Inovatif Berbasis Proyek Berorientasi KKNI Untuk Meningkatkan Kompetensi Mahasiswa. Doctoral thesis, UNIMED.

Simorangkir, Murniaty and Nainggolan, Bajoka and Juwitaningsih, Tita and Silaban, Saronom (2021) The Toxicity of n-Hexane, Ethyl Acetate and Ethanol Extracts of SarangBanua (Clerodendrumfragrans Vent Willd) Leaves by Brine Shrimp Lethality Test (BSLT) Method. In: The 2nd International Conference on Sciences and Technology Applications (ICOSTA) 2020, 3 Nov 2020, Medan.

Nainggolan, Bajoka and Batubara, Nurul Chairina (2020) PENERAPAN MEDIA MONOPOLI BERBASIS TEAMS GAMES TOURNAMENT (TGT) HASIL PENGEMBANGAN DALAM PEMBELAJARAN IKATAN KIMIA. In: Seminar Nasional Kimia dan Pendidikan Kimia 2020, 12 Desember 2020, Medan.

Ramadhan, Ilham and Nainggolan, Bajoka (2020) Upaya Peningkatan Motivasi dan Hasil Belajar Kimia Siswa Melalui Penerapan Model PBL Berbantuan Media Adobe Flash pada Materi Laju Reaksi. In: Seminar Nasional Kimia dan Pendidikan Kimia 2020, 12 Desember 2020, Medan.

Simorangkir, Murniaty and Nainggolan, Bajoka and Silaban, Saronom and Juwitaningsih, Tita (2020) BIOAKTIVITAS TUMBUHAN OBAT SARANG BANUA (Clerodenrum Fragrans Vent Willd). FBS Unimed Press. ISBN 978-623-6984-02-4

Nainggolan, Bajoka (2020) Developing Innovative Chemistry Laboratory Workbook Integrated with Project-Based Learning and Character-Based Chemistry. International Journal of Instruction, 13 (3). pp. 895-909. ISSN 1694-609X

Nainggolan, Bajoka (2020) Effect of Sarang Banua (ClerodendrumfragransVent Willd) Leaves Extract on Serum Globulin Levels of Rabbit (Oryctolagus cuniculus). In: The International Conference on Sciences and Technology Applications, 13-14 November 2019, Garuda Plaza Hotel, Medan City, North Sumatera Province, Indonesia.

Nainggolan, Bajoka (2019) Development of Chemical Practicum Private Vocational School of Senior High School XII Class Based on Projects and Characters. In: 4th Annual International Seminar on Transformative Education and Educational Leadership (AISTEEL 2019), 23 – 24 September 2019, Garuda Plaza Hotel, Medan,.

Nainggolan, Bajoka (2019) Development of chemical element practical workbook based on projects and characters for class xii senior high school. Jurnal Pendidikan Kimia, 11 (3). pp. 67-78. ISSN 2549-3116

Simorangkir, Murniaty and Nainggolan, Bajoka and Silaban, Saronom (2019) ANTIOXIDANT ACTIVITY OF VACUUM COLUMN CHROMATOGRAPHY FRACTIONS OF ETHANOL EXTRACT OF SARANG BANUA (Clerodenrum fragrans vent wild) LEAVES. pp. 1-5.

Nainggolan, Bajoka (2019) Antioxidant activity of vacuum column chromatography fractions of ethanol extract of sarang banua (Clerodenrum fragrans vent willd) leaves. In: The 1st International Seminar on Smart Molecule of Natural Resources, 11-12 Jul 2019, Malang.

Nainggolan, Bajoka (2019) PENGEMBANGAN PENUNTUN PRAKTIKUM KIMIA INOVATIF TERINTEGRASI PEMBELAJARAN BERBASIS PROYEK DAN KARAKTER PADA MATERI KOLOID. JURNAL INOVASI PEMBELAJARAN KIMIA, 1 (2). pp. 50-57. ISSN 2685-0761; 2685-0850

Nainggolan, Bajoka (2019) POTENSI ANTIBAKTERI EKSTRAK N-HEXANA, ETIL ASETAT, ETANOL DAUN SARANG BANUA (CLERODENDRUM FRAGRANS VENT WILLD) TERHADAP SALMONELLA ENTERICA. Jurnal Biosains Unimed, 5 (2). pp. 92-98. ISSN 2460-6804

Simorangkir, Murniaty and Nainggolan, Bajoka and Silaban, Saronom (2019) POTENSI ANTIBAKTERI EKSTRAK n-HEXANA, ETIL ASETAT, ETANOL DAUN SARANG BANUA (Clerodendrum fragrans Vent Wild) TERHADAP Salmonella enterica. Jurnal Biosains Unimed, 05 (02). pp. 92-98. ISSN 2460-6804

Nainggolan, Bajoka (2019) ANTIOXIDANT AND ANTIBACTERIAL ACTIVITIES OF NONPOLAR TO POLAR SOLVENT EXTRACTS OF Sarang Banua (Clerodenrum fragrans Vent Willd) LEAVES. RASĀYAN Journal of Chemistry [RJC], 12 (2). pp. 959-965. ISSN 0976-0083

Simorangkir, Murniaty and Hutabarat, Wesly and Nainggolan, Bajoka and Silaban, Saronom (2019) ANTIOXIDANT AND ANTIBACTERIAL ACTIVITIES OF NONPOLAR TO POLAR SOLVENT EXTRACTS OF Sarang Banua (Clerodenrum fragrans Vent Wild) LEAVES. RASĀYAN Journal of Chemistry [RJC], 12 (02). pp. 959-965. ISSN 0976-0083

Nainggolan, Bajoka (2018) Development of Chemical Principles Class XI Senior High School Based on the Project in the Material Solubility and Solubility. In: Proceedings of The 5th Annual International Seminar on Trends in Science and Science Education, 18-19 Oktober 2018, Emeral Garden Hotel, Medan.

Simorangkir, Murniaty and Nainggolan, Bajoka and Silaban, Saronom (2018) SECONDARY METABOLITES PHYTOCHEMICAL ANALYSIS OF nHEXANE, ETHYL ACETATE AND ETHANOL EXTRACTS OF SARANG BANUA (Clerodendrum fragrans Vent Wild) LEAVES. In: The 5th Annual International Seminar on Trends in Science and Science Education, 18-19 Oct 2018, Medan.

Nainggolan, Bajoka (2018) The optimization of acid hydrolysis on bioethanol production from durian peel waste (Durio zibethinus murr). Jurnal Pendidikan Kimia, 10 (2). pp. 393-396. ISSN 2549-3116; 2085- 3653

Nainggolan, Bajoka (2018) Development of chemical practice guides class xi project based to improve student’s chemical learning outcomes on acid base materials. Jurnal Pendidikan Kimia, 10 (2). pp. 393-396. ISSN 2549-3116

Nainggolan, Bajoka (2018) Secondary Metabolites Phytochemical Analysis of n-Hexane, Ethyl Acetate and Ethanol Extracts of Sarang Banua (Clerodendrum fragrans Vent Willd) Leaves. In: Proceedings of The 5th Annual International Seminar on Trends in Science and Science Education, 18-19 Oktober 2018, Emeral Garden Hotel, Medan.

Nainggolan, Bajoka (2017) Implementasi Model Inquiry Terbimbing Dalam Meningkatkan Hasil Belajar dan Keterampilan Proses Sains Mahasiswa Pada Praktikum K.Analitik Kualitatif. In: Prosiding Seminar Hilirisasi Penelitian Untuk Kesejahteraan Masyarakat, 28 September 2017, Medan.

Nainggolan, Bajoka and Barus, Kristedi (2016) THE EFFECT MODEL PROBLEM BASED LEARNING (PBL) POWERPOINT MEDIA USING THE RESULTS STUDENT LEARNING ON THE COST OF DISCUSSION REDOX REACTIONS IN CLASS X. In: Proceeding AISTEEL The First Annual International Seminar on Transformative Education and Educational Leadership, 19 November 2016, Medan.

Nainggolan, Bajoka (2016) Chemical Analysis of Effectiveness of Integrated Practicum Learning in Class XII-IPA SMA on The Implementation of Curriculum 2013 in Medan. Jurnal Pendidikan Kimia, 8 (2). pp. 105-11. ISSN 2549-3116

Nainggolan, Bajoka (2016) Uji Kelayakan Minyak Goreng Curah dan Kemasan yang Digunakan Menggoreng Secara Berulang. Jurnal Pendidikan Kimia, 8 (1). pp. 45-57. ISSN 2549-3116

Nainggolan, Bajoka (2015) Penerapan Model Quantum Teaching Menggunakan Media Peta Konsep dalam Pembelajaran Struktur Atom di Kelas X SMA. Jurnal Pendidikan Kimia, 7 (3). pp. 62-69. ISSN 2549-3116; 2085- 3653

Sitorus, Marham and Nainggolan, Bajoka (2014) THE ACTIVITY VALUES OF CLA (CONJUGATED LINOLEIC ACID) SYNTHESIZED FROM CASTOR OIL BY USING VISSIBLE SPECTROFOTOMETER WITH DPPH AS FREE RADICAL. In: The First Annual International Seminar on Trends in Science and Science Education 2014, 5-6 Dec 2014, Medan.

Nainggolan, Bajoka (2014) THE ACTIVITY VALUES OF CLA (CONJUGATED LINOLEIC ACID) SYNTHESIZED FROM CASTOR OIL BY USING VISSIBLE SPECTROFOTOMETER WITH DPPH AS FREE RADICAL. In: The First International Seminar on Trends in Science and Science Education 2014, 5-6 December 2014, Medan.

Nainggolan, Bajoka (2014) PEMURNIAN ASAM LINOLEAT TERKONJUGASI HASIL SINTESA DARI RISINOLEAT CASTOR OIL DENGAN KROMATOGRAFI KOLOM SILIKAGEL PERAK NITRAT. JURNAL PENELITIAN SAINTIKA, 14 (1). pp. 45-53. ISSN 1412-2995; 2502- 7158

Sitorus, Marham and Nainggolan, Bajoka (2014) PEMURNIAN ASAM LINOLEAT TERKONJUGASI HASIL SINTESA DARI RISINOLEAT CASTOR OIL DENGAN KROMATOGRAFI KOLOM SILIKAGEL PERAK NITRAT. Jurnal Penelitian Saintika, 15 (01). ISSN 1412-2995

Nainggolan, Bajoka (2002) SINTESIS DERIVAT LIMONEN KANDUNGAN MINYAK KULIT BUAH JERUK SUNKIST (CITRUS AURANTIUM). Jurnal Pendidikan Science, 26 (02). 01-11. ISSN 0853-3792

Nainggolan, Bajoka (1997) UJIAKTIVITAS PT/AEROSIL DAN NI-MO/ZEOLIT SEBAGAI KATALIS KONVERSI N-PERTAMA DAN N-HEKSANA MENJADI N-ALKOHOL. Jurnal Pendidikan Science (04). pp. 44-53. ISSN 0853-3792

Nainggolan, Bajoka and Retno Dwi Suyanti THE RELATION OF COMPETENCY AND SELF CONCEPT TEACHER TOWARD SERTIFICATE PROGRAMME BY GOVERMENT. Jurnal Pendidikan Science. pp. 50-56. ISSN 0853-3792

Sitorus, Marham and Nainggolan, Bajoka (2011) PRODUKSI CLA (CONJUGATED LINOLEIC ACID) DARI RISINOLEAT MINYAK JARAK (CASTOR OIL). Project Report. FMIPA Unimed.