25 articles in this issue
Venty Suryanti,Fajar Rakhman Wibowo,Sekar Handayani
A colorimetric anion sensor of methyl-3-(2-hydroxy-5-nitrophenyl amino)-3-phenylpropanoate bearing –OH and –NH groups as binding sites and nitrophenyl as a signaling unit, has been successfully accomplished. The compound functioned as a colorimetric chemo... see more
Nur Najwa-Alyani Mohd Nabil,Lee Sin Ang
The disubstituted thiourea compounds have shown its reliability on their usages in various industries compared to the thiourea compounds. However, they also show capability to exist in different configurations, which would render them to possess different... see more
Mohd Bijarimi,Noor Shahadah,Azizan Ramli,Said Nurdin,Waleed Alhadadi,Muhammad Zakir Muzakkar,Jamiluddin Jaafar
A melt blending of poly(lactic acid) (PLA)/acrylonitrile-butadiene-styrene (ABS) with 30:70 PLA:ABS was prepared by a twin screw extruder with a die of 25 mm width and 0.5 mm thickness with various loadings of graphene (0–1.0 wt.%). The PLA/ABS blends wer... see more
Nur Izzati Iberahim,Yee Chee Hann,Zainab Hamzah,Khairunissa Syairah Ahmad Sohaimi
Extraction of omega-3 fatty acid from Jade Perch (Scortum barcoo) using enzymatic hydrolysis techniques are expected to be more economically possible techniques due to the uses of the enzyme with the characteristic of environmentally friendly, reusable an... see more
Abdul Muttalib Bin Bujang,Noor Ida Amalina Binti Ahamad Nordin
Oil palm empty fruit bunch (EFB) has a big potential in biocomposite production. The porous surface of EFB is advantageous for physical interlocking with polymer in composite fabrication. The objective of this study is to determine the properties of bioco... see more
Norilyani Izzati Hasanuddin,Nur Nadia Dzulkifli,Siti Halimah Sarijo,Sheikh Ahmad Izaddin Sheikh Mohd Ghazali
In this present work, herbicide named 2-methyl-4-chlorophenoxy acetic acid (MCPA) was intercalated into the graphite oxide through ion-exchange method to produce a MCPA-GO nanocomposite as an herbicide delivery system. The formation of MCPA-GO nanocomposi... see more
Ferlinahayati Ferlinahayati,Daniel Alfarado,Eliza Eliza,Budi Untari
One of the treatments for diabetes mellitus disease is to control blood sugar level using an inhibitor of a-glucosidase enzyme. The methanol extracts of the fruit, stem, and leaves of Rhodomyrtus tomentosa were found significant in inhibiting a-glucosidas... see more
Hassan Khuder Naji,Amjed Mirza Oda,Wesam Abdulaljeleel,Hussein Abdilkadhim,Rawaa Hefdhi
Two films of ZnO-Ag/polystyrene (ZnO-Ag/PS) and ZnO/polystyrene (ZnO/PS) have been prepared to evaluate the photodegradation ability of stabilized catalysts. The efficiency of ZnO improved against recombination of electron-hole pair by modification of cat... see more
Eva Oktavia Ningrum,Agus Purwanto,Galuh Chynintya Rosita,Asep Bagus
The properties of N-isopropylacrylamide copolymerized with N,N-dimethyl(acrylamidopropyl)ammonium propane sulfonate [poly(NIPAM-co-DMAAPS)] prepared with various monomer ratios such as transition temperature, molecular structure, viscosity were systematic... see more
Khairiah Razali,Azzmer Azzar Abdul Hamid,Noor Hasniza Md Zin,Noraslinda Muhamad Bunnori,Hanani Ahmad Yusof,Kamarul Rahim Kamarudin,Aisyah Mohamed Rehan
The ability of Streptococcus pneumoniae to induce infections relies on its virulence factor machinery. A previous CRISPR interference (CRISPRi) study had identified 254 essential proteins that may be responsible towards the pathogenicity of S. pneumoniae ... see more
Didah Nur Faridah,Imas Solihat,Nancy Dewi Yuliana
Destruction process using both dry and wet conditions serves as a significant step in mineral quantification. Wet destruction using microwave-assisted digestion refers to the standard method of AOAC (2012); in this work, we modified the destruction proced... see more
Ku Esyra Hani,Mohammed Abdalla Ayoub
The objective of this study was to investigate the effect of polymer (GLP-100) and surfactant (MFOMAX) towards the efficiency of oil removal in a flotation column by using the Response Surface Methodology (RSM). Various concentrations of surfactant (250, ... see more
Rosalyza Hasan,Wong Jie Ying,Chong Chi Cheng,Nur Farhana Jaafar,Rohayu Jusoh,Aishah Abdul Jalil,Herma Dina Setiabudi
Two low-cost wastes, banana pith (BP) and cockle shells (CS) were explored towards methylene blue (MB) removal. The performance of cockle shells-treated banana pith (CS-BP) in MB removal was compared with untreated BP and commercially Ca(OH)2-treated BP (... see more
Ahmad Fadli,Amun Amri,Iwantono Iwantono,Arisman Adnan,Sunarno Sunarno,Sukoco Sukoco,Mayangsari Mayangsari
Magnetite (Fe3O4) nanoparticles are very promising to be applied as a drug delivery system (DDS) for cancer chemotherapy. In this research, the crystal growth of hydrothermal derived magnetite particles was studied by oriented attachment (OA) model. The O... see more
Mohamed Faraj Edbeib,Roswanira Abdul Wahab,Fahrul Zaman Huyop,Hasan Murat Aksoy,Yilmaz Kaya
Halogenated organic compounds are extensively and widely used as pesticides, herbicides, and antibiotics that contribute to the pollution. This research was aimed to further analyze and characterize a bacterium that has the ability to utilize 2,2-dichloro... see more
Ardina Purnama Tirta,Asep Saefumillah,Foliatini Foliatini,Herawati Herawati
The phenomenon of phosphate release in sediments into water bodies under oxic environment has been investigated using the Diffusive Gradient in Thin Film (DGT) technique. This research consists of several stages: polymer synthesis and DGT probe assembly, ... see more
Suhad Kareem Abass,Jassim Abbas Al-Hilfi,Sawsan Khudhair Abbas,Luma Majeed Ahmed
In this work, a new mixed-ligand binuclear Co(II) complex of Schiff base was prepared. Moreover, the characterization of this prepared complex was performed by measurement of melting points, UV-Vis spectra, FT-IR spectra, and magnetic susceptibility measu... see more
Abdul Aji,Sri Juari Santosa,Eko Sri Kunarti
In this work, we determined the influenced of the reaction time at the synthesis of gold nanoparticles (AuNPs) by p-aminosalicylic acid and p-aminobenzoic acid as reducing agent. Besides working as a reducing agent, the p-aminobenzoic acid and p-aminosali... see more
Latifah Hauli,Karna Wijaya,Akhmad Syoufian
The preparation, characterization, and catalytic activity test of sulfated zirconia (SZ) modified with chromium for the hydrocracking of LDPE-based plastic waste have been investigated. SZ was prepared by wet impregnation method using zirconia nanopowder ... see more
Doan Van Dat,Nguyen Van Cuong,Pham Hoang Ai Le,Tran Thi Lan Anh,Pham Tan Viet,Nguyen Thi Lan Huong
This study is devoted to the synthesis of King Orange peel essential oil in water nanoemulsions combined with nanosilver by ultrasonic method supported by mechanical stirring for antibacterial application. The samples were characterized by Gas chromatogra... see more
Khadidja Otmane Rachedi,Rania Bahadi,Mohamed Aissaoui,Taibi Ben Hadda,Billel Belhani,Abdeslem Bouzina,Malika Berredjem
A computational Petra/Osiris/Molinspiration/DFT(POM/DFT) based model has been developed for the identification of physico-chemical parameters governing the bioactivity of series of oxazaphosphinanes derivatives 1a-1f containing potential antifungal O,N-ph... see more
Naser Eltaher Eltayeb
Three trivalent manganese complexes have been synthesized, isolated, and characterized, namely, [MnCl(OH2)(Lx)].nH2O (I-III). Lx is a tetradentate Shiff base ligand, where Lx = LI, 2,2'-{1,2-phenylenebis [nitrilomethylylidene]}bis(phenolate), LII, 2,2'-{1... see more
Indah Hartati,Hary Sulistyo,Wahyudi Budi Sediawan,Muhammad Mufti Azis,Moh Fahrurrozi
Reactive extraction is gaining higher attention due its wide application in various solute separation processes. Here, a mathematical model of reactive extraction in slab has been proposed. The model was developed by considering simultaneous processes of ... see more
Muntholib Muntholib,Suhadi Ibnu,Sri Rahayu,Fauziatul Fajaroh,Sentot Kusairi,Bambang Kuswandi
This study aims to (1) develop and validate a multiple choice chemical literacy test instrument (MC-CLTI) on chemical kinetics and (2) conduct a small survey on chemical literacy of first year chemistry students. The development of the instrument involved... see more
Ganea Qorry Aina,Abdul Rohman,Yuny Erwanto
Wild boar meat (WBM) is non-halal meat widely abused in Indonesia. The most common case is mixing beef with WBM either in raw or processed foods. Therefore, it is necessary to develop a detection method of WBM contamination. The objective of this study wa... see more