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All Journal VALENSI Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Jurnal Kedokteran Syiah Kuala E-Bisnis : Jurnal Ilmiah Ekonomi dan Bisnis Jurnal Ilmu Kimia Universitas Brawijaya Bulletin of Chemical Reaction Engineering & Catalysis The Journal of Pure and Applied Chemistry Research Jurnal Ilmiah Administrasi Publik JURNAL ILMU PEMERINTAHAN Indonesian Journal of Chemistry Jurnal Menara Ekonomi : Penelitian dan Kajian Ilmiah Bidang Ekonomi Jurnal Kolaboratif Sains Bulletin of Chemical Reaction Engineering & Catalysis
Masruri Masruri
Universitas Brawijaya
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health Social Sciences Other

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The Curative Activity of Isolated Fraction from Spathodea campanulata Beauv Stem Bark on Rats Exposed to Benzopyrene Masruri Masruri; Mohamad Lutfillah; Ady Sumaryanto; Rurini Retnowati; Aulanni'am Aulanni'am
Journal of Tropical Life Science Vol. 4 No. 3 (2014)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.04.03.01

Abstract

This paper reports a screening results of the secondary metabolites composed in Spathodea campanulata Beauv stem bark, evaluate inhibiting activity of malondialdehyde (MDA) on rats cancer model exposed with benzopyrene, and the histology of its lung. The secondary metabolite of the stem bark fraction consisted of alkaloids, flavonoids-phenolic, terpenoid and steroid compounds. The isolated fraction contained of these metabolites significantly indicate bioactivity by reducting of malondialdehyde (MDA) level, and also histology appearance of the lung tissue prepared from the benzopyrene-exposed rat indicated a curative activity.
In Silico Screening of Syzygium myrtifolium Flavonoid Compoinds as Anti-bacterial Activity: In Silico Screening of Syzygium myrtifolium Flavonoid Compounds Nelsy Dian Permatasari; Jatmiko Eko Witoyo; Masruri; Sudarminto Setyo Yuwono; Simon Bambang Widjanarko
Journal of Tropical Life Science Vol. 12 No. 3 (2022)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.12.03.02

Abstract

Bacterial infection and antibiotic resistance are popular issues nowadays. Several pre[1]vious reports performed antibacterial screening activities involving natural herbs and synthetic drugs. Alanine racemase and transglycosylase are essential proteins for peptidoglycan membrane synthesis in bacteria and an alternative target for antibacterial performance. This study identified six flavonoid compounds in Syzygium myrtifolium to perform the antibacterial activity. In silico study was conducted for modelling flavonoids – protein complexes. Five flavonoids from S. myrtifolium were taken out of he canonical smiles from the PubChem database and modelled three-dimensional structure using ChemDraw and molView. Targeted protein, alanine racemase and transglycosylase were downloaded from Protein Data Bank with ID 4WR3 and 1SLY. Ligands and proteins were interacted by Molegro virtual Docker 5.0 and visualized by Discovery studio version 21.1.1. Five flavonoids showed inhibition with alanine racemase and transglycosylase in the same active sites of control and sodium benzo[1]ate. According to the binding energy, calopiptin performed the lowest binding energy value in alanine racemase complexes, while 2-Propanone, 1,3-bis(5-nitro-2-furanyl) showed the lowest value of four other flavonoids at transglycosylase complexes. The type of interactions were electrostatic, hydrogen bonds, hydrophobic interactions and unfavorable ones. Low binding energy and varied interaction types indicated tight of ligand-protein interaction. In summary, five flavonoids inhibited alanine racemase and transglycosylase, and the peptidoglycane membrane synthesis in bacteria might be inferred.
Synthesis and Characterization of Cellulose Acetate and Nanocellulose Acetate from Sengon Agroindustrial Waste (Paraserianthes falcataria) Nur Ikhtiarini; Masruri MASRURI; Siti Mariyah Ulfa; Widodo Widodo
The Journal of Pure and Applied Chemistry Research Vol 11, No 3 (2022): Edition September-December 2022
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2022.011.03.644

Abstract

Synthesis and characterization of cellulose acetate and nanocellulose acetate have been carried out. Cellulose was isolated from sengon wood powder waste using 6% NaOH solution and bleached with NaOCl. The cellulose was hydrolyzed with 60% formic acid to obtain nanocellulose. Cellulose and nanocellulose were then modified with acetic anhydride. The synthesized products were characterized by FTIR to identify organic functional groups, powder XRD to measure crystallinity, and SEM to observe surface morphology. Solubility tests in several types of solvents were also performed. The degree of substitution (DS) of cellulose acetate and nanocellulose acetate was carried out based on Indonesia’s SNI 0444:2009 method. The DS calculation show that the cellulose acetate and nanocellulose have DS of 2.9 and 2.1, respectively.
Degradable Bioplastic Developed from Pine-Wood Nanocellulose as a Filler Combined with Orange Peel Extract Alyaa Farrah Dibha; Masruri Masruri; Arie Srihardyastutie
Indonesian Journal of Chemistry Vol 23, No 1 (2023)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.75520

Abstract

This research presents the degradable bioplastics developed from pinewood nanocellulose as a filler in PVA matrices. The steps involve the isolation and characterization of cellulose and nanocellulose. Meanwhile, the manufacturing of degradable bioplastic involves the combination of PVA, nanocellulose, and with or without orange peel extract. The effect of bioplastics without the addition of citric acid and orange peel extract is also reported as a comparison. It is found that orange peel extract improves the tensile strength (1708.54 kPa), elastic modulus (42.71 kPa), elongation (40%), and degradability (78.44% in 2 weeks) compared to bioplastic without the orange peel extract. These results indicate that orange peel extract acts as a reinforcing agent in PVA-nanocellulose bioplastic.
Study Direction to Oxidize a Local Pine Rosin with Potassium Permanganate Widia Edy Kuncoro; Moh. Farid Rahman; Masruri MASRURI, Ph.D; Siti Mariyah Ulfa
The Journal of Pure and Applied Chemistry Research Vol 12, No 1 (2023): Edition January-April 2023
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2023.012.01.3298

Abstract

Pine rosin acid or Gondorukem is a solid resin obtained from pine sap. It is yielded as residue from a high temperature distillation process. In industry, rosin acid is widely used and modified as raw material in paint, ink, adhesive, resin, thermoplastic, and thermosetting polymer. Modification process generally is undergone to generate rosin acid with specific properties and for certain purposes. This paper report, potassium permanganate oxidation reaction of pine rosin acid under acidic process at low temperature. Product identified as 13,14-seco-13-oxoabiet-7-ene-dioic acid (0.52%), 7,8-dihydroxy-abietic acid (6.62%), and 7-oxo-dehydroabietic acid (1.49%). The crude product was isolated as a pale to white solid. Under high temperature a yellowish product was resulted. In overall, the yield isolated in between 46.4% and 86.0%.
Antibacterial Activity of Legundi Leaf (Vitex trifolia) Essential Oil Using In-Vitro and In-Silico Methods Retno Indriatie; Masruri Masruri; Warsito Warsito
The Journal of Pure and Applied Chemistry Research Vol 12, No 1 (2023): Edition January-April 2023
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2023.012.01.738

Abstract

Staphylococcus aureus causes many severe diseases, such as meningitis, lung infection, and hematogenous osteomyelitis. The prolonged use of antibiotic drugs leads to antimicrobial resistance (AMR), decreasing their effectiveness against S. aureus. Therefore, novel drugs isolated from natural products have been the focus of many researchers to solve that problem. The essential oils isolated from Vitex trifolia leaf have many pharmacological activities, including antibacterial and antifungal activities. In this research, essential oil was isolated by distillation, followed by GC-MS analysis. The antibacterial activity of the essential oil was conducted using a disk diffusion test (Kirby-Bauer) and by molecular docking study. The essential oil yield from distillation was 0.13%, containing major compounds such as sabinene, eucalyptol, terpinen-4-ol, α-terpineol, limonene, and caryophyllene. The essential oil gave intermediate inhibition against S. aureus with a 6.91 ± 0.03 mm inhibition zone in 20 mg/mL of the sample. Using molecular docking study, caryophyllene and α-terpineol were the key compounds for inhibiting the active site of tyrosyl-tRNA synthetase, sortase A, and dihydrofolate reductase that are responsible for the S. aureus growth and development.
ANALISIS KINERJA KARYAWAN CAMAT DITINJAU DARI PERSPEKTIF KOMPETENSI, PELATIHAN BUDAYA ORGANISASI Prima Yulianti; Masruri Masruri; Shoja Ismela
Jurnal Menara Ekonomi : Penelitian dan Kajian Ilmiah Bidang Ekonomi Vol 9, No 1 (2023): VOLUME IX NO. 1 OKTOBER 2023
Publisher : Jurnal Menara Ekonomi : Pelatihan dan Kajian Ilmiah Bidang Ekonomi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/me.v9i1.4803

Abstract

Sumber daya manusia perlu dikelola secara profesional agar tercipta keselarasan antara kepentingan karyawan dan kepentingan organisasi dalam upaya memajukan organisasi. Untuk mengembangkan sumber daya manusia, organisasi mengadopsi teknik yang berbeda, mengatur berbagai program pendidikan teknis dan memperkenalkan karyawan baru pada budaya, nilai, keyakinan, filosofi dan proses organisasi sehingga karyawan memiliki arah yang jelas untuk mewujudkan tujuan individu dan organisasi. Oleh karena itu, untuk pengembangan yang berkelanjutan, organisasi harus berupaya menyelaraskan tujuan, sasaran organisasi dan kinerja karyawan serta membangun budaya yang baik dengan mengembangkan kompetensi kerja yang positif dan pelatihan yang tepat. Perusahaan akan berkembang dan mampu bertahan dalam lingkungan persaingan yang kompetitif apabila didukung oleh kinerja karyawan yang berkompeten di bidangnya. Penelitian ini bertujuan untuk mengetahui dan menganalisis pengaruh kompetensi, pelatihan dan budaya organisasi terhadap kinerja karyawan camat Kecamatan Padang Utara Kota Padang. Selain itu, juga untuk memperoleh gambaran dan analisis verifikatif tentang keadaan karyawan berdarkan data empirik. Hal ini dilakukan untuk memperoleh temuan-temuan yang bisa dijadikan masukan bagi karyawan dalam rangka mewujudkan tindakan positif menuju peningkatan kinerja yang lebih produktif, memiliki kompetensi dan keterampilan serta berpengaruh dalam pembentukan jati diri seorang karyawan agar mampu menumbuhkan rasa pertanggung jawaban karyawan terhadap perusahaan. Kualitas sumber daya manusia yang tinggi akan sangat menunjang dalam pencapaian tujuan organisasi, sebab manusialah yang merupakan pengelola, pengatur dan penggerak aktivitas sumber daya lain dalam organisasi. Metode yang digunakan adalah metode kuantitatif, dengan menggunakan kuesioner karyawan camat Kecamatan Padang Utara Kota Padang, Data yang didapat kemudian disusun dalam tabel – tabel yang menunjukan frekuensi dan presentase nilai dari masing – masing jawaban responden, kemudian diolah dan dianalisis dengan menggunakan model teknik analisis regresi sederhana, dan diolah dengan bantuan program Statistical Product and Service Solution (SPPS). Objek penelitian ini adalah seluruh karyawan camat Kecamatan Padang Utara Kota Padang berjumlah 60 karyawan. Teknik pengambilan sampel dengan teknik total sampling, yakni dengan metode sensus. Hasil yang didapat adalah kompetensi, pelatihan dan budaya organisasi terhadap kinerja karyawan baik secara parsial maupun secara simultan berpengaruh positif dan signifikan terhadap kinerja karyawan.  Kata kunci : Kompetensi, Pelatihan, Budaya Organisasi, Kinerja Karyawan
The Production of Green Diesel Rich Pentadecane (C15) from Catalytic Hydrodeoxygenation of Waste Cooking Oil using Ni/Al2O3-ZrO2 and Ni/SiO2-ZrO2 Momodou Salieu Sowe; Arda Rista Lestari; Eka Novitasari; Masruri Masruri; Siti Mariyah Ulfa
Bulletin of Chemical Reaction Engineering & Catalysis 2022: BCREC Volume 17 Issue 1 Year 2022 (March 2022)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.17.1.12700.135-145

Abstract

Hydrodeoxygenation (HDO) is applied in fuel processing technology to convert bio-oils to green diesel with metal-based catalysts. The major challenges to this process are feedstock, catalyst preparation, and the production of oxygen-free diesel fuel. In this study, we aimed to synthesize Ni catalysts supported on silica-zirconia and alumina-zirconia binary oxides and evaluated their catalytic activity for waste cooking oil (WCO) hydrodeoxygenation to green diesel. Ni/Al2O3-ZrO2 and Ni/SiO2-ZrO2 were synthesized by wet-impregnation and hydrodeoxygenation of WCO was done using a modified batch reactor. The catalysts were characterized using X-ray diffraction (XRD), X-ray fluorescence (XRF), and scanning electron microscopy - energy dispersive X-ray spectroscopy (SEM-EDS), and N2 isotherm adsorption-desorption analysis. Gas chromatography - mass spectrometry (GC-MS) analysis showed the formation of hydrocarbon framework n-C15 generated from the use of Ni/Al2O3-ZrO2 with the selectivity of 68.97% after a 2 h reaction. Prolonged reaction into 4 h, decreased the selectivity to 58.69%. Ni/SiO2-ZrO2 catalyst at 2 h showed selectivity of 55.39% to n-C15. Conversely, it was observed that the reaction for 4 h increased selectivity to 65.13%. Overall, Ni/Al2O3-ZrO2 and Ni/SiO2-ZrO2 catalysts produced oxygen-free green diesel range (n-C14-C18) enriched with n-C15 hydrocarbon. Reaction time influenced the selectivity to n-C15 hydrocarbon. Both catalysts showed promising hydrodeoxygenation activity via the hydrodecarboxylation pathway. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 
Inovasi Teh Herbal Kunyit sebagai Penggerak Pemberdayaan Ekonomi: Studi Kelayakan dan Potensi Pasar : Turmeric Herbal Tea Innovation as a Driver of Economic Empowerment: Feasibility Study and Market Potential Dodyk Pranowo; Rizal Nur Alfian; Moh. Zakiy Fiddin; Masruri Masruri; M. Abdi Dzil Ikhram W.
Jurnal Kolaboratif Sains Vol. 8 No. 3: Maret 2025
Publisher : Universitas Muhammadiyah Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56338/jks.v8i3.7227

Abstract

Kabupaten Ponorogo merupakan salah satu daerah utama penghasil kunyit di Jawa Timur dengan luas lahan mencapai 431,3 hektar. Namun, siklus panen yang relatif panjang (9–10 bulan) serta harga jual yang rendah (Rp 2.000–Rp 3.000 per kilogram) menjadi tantangan bagi petani kunyit. Untuk meningkatkan produktivitas dan nilai jual kunyit, Pemerintah Kabupaten Ponorogo bekerja sama dengan Kementerian Desa dan PT. Astra serta menunjuk UD. Perdana sebagai pengusaha lokal (local champion) yang membina petani kunyit. Sebagai langkah transformasi ekonomi, diperlukan inovasi dalam pengolahan kunyit menjadi produk bernilai tambah. Salah satu upaya yang dilakukan adalah pengembangan teh herbal berbahan dasar kunyit. Produk ini diformulasikan dengan kombinasi bubuk kunyit kering, bubuk jahe, bubuk lemon, dan bubuk serai. Hasil uji formulasi menunjukkan komposisi terbaik terdiri dari bubuk kunyit 1,5 gram, bubuk jahe 0,9 gram, bubuk serai 0,15 gram, dan bubuk lemon 0,45 gram. Studi kelayakan menunjukkan bahwa investasi ini layak dengan nilai NPV sebesar Rp 41.007.927, payback period selama 8,26 bulan, IRR sebesar 2,08%, dan B/C ratio sebesar 8,07. Dengan demikian, pengembangan produk teh herbal kunyit ini berpotensi meningkatkan kesejahteraan petani kunyit di Kabupaten Ponorogo.
Pengaruh Pelatihan, Motivasi, dan Lingkungan Kerja Terhadap Produktivitas Karyawan Pada PT. Angkasa Pura Indonesia Bandar Udara Internasional Soekarno-Hatta Kintan Ulyantiputeri; Masruri Masruri; Abdillah Sani
E-Bisnis : Jurnal Ilmiah Ekonomi dan Bisnis Vol 18 No 2 (2025): JURNAL ILMIAH EKONOMI DAN BISNIS
Publisher : LPPM Universitas Sains dan Teknologi Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/e-bisnis.v18i2.3089

Abstract

This study aims to analyze the effect of training, motivation, and work environment on employee productivity at PT. Angkasa Pura Indonesia (Persero), Soekarno-Hatta International Airport. In the increasingly competitive aviation industry, improving human resources is essential to support company performance. The research employed a quantitative method with an associative approach. The sample consisted of employees selected using simple random sampling. The research instrument was a questionnaire tested for validity and reliability, and the data were analyzed using multiple linear regression. The results show that training, motivation, and work environment have a positive and significant effect on employee productivity, both partially and simultaneously. These findings indicate that better training programs, higher work motivation, and a more conducive work environment lead to improved employee productivity. The practical implication highlights the importance for management to strengthen continuous training programs, establish effective reward and incentive systems, and create a healthy work atmosphere. This study is expected to serve as a reference for PT. Angkasa Pura Indonesia (Persero) and other companies in the same sector in formulating human resource development strategies to enhance competitiveness
Co-Authors Abdillah Sani Ady Sumaryanto Alyaa Farrah Dibha Amini, Helda Wika Amini, Rekfa Wika Arda Rista Lestari Arie Srihardyastutie Aulann'iam Aulann'iam Aulanni'am Aulanni'am Bambang Ismuyanto Barlah Rumhayati Barlah Rumhayati Dasrul Dasrul Denis Al Karoma Dian Mulyani Dodyk Pranowo Eka Novitasari Eria Anggraini Fadillah Utami Prasetyaningtyas Fadlilah, Lilik Nur George Towar Ikbal Tawakkal Irfan Hanafi Arif Jatmiko Eko Witoyo Kintan Ulyantiputeri Lailatul Rohmah M. Abdi Dzil Ikhram W. Moh. Farid Rahman Moh. Farid Rahman Moh. Zakiy Fiddin Mohamad Lutfillah Mohammad Farid Rahman Mohammad Farid Rahman Momodou Salieu Sowe Momodou Salieu Sowe Mukesh Sharma Nelsy Dian Permatasari Noval Dwi Wijaya Nur Ikhtiarini Nuraini Uswatun Chasana Prasetyo Adi Prima Yulianti Rana Ayu Ning Tyas Rekfa Wika Amini Retno Indriatie Rizal Nur Alfian Rizki Wahyu Aji Wibowo Rurini R Rurini R Rurini Retnowati Shoja Ismela SIMON BAMBANG WIDJANARKO Siti Mariyah Ulfa Siti Nurul Afifah Solo, Anna Apriani Maniuk Suci Susanti Sudarminto Setyo Yuwono Tutik Setianingsih Warsito Warsito Wawan Sobari Widia Edy Kuncoro Widodo Widodo Yuga Adi Pranata