25 articles in this issue
Benedict Ushaka Ugi,Mbang Eze Obeten,Victoria Mfon Bassey,Louis Hitler,Stephen Adie Adalikwu,Chijioke Everistus Omaliko,Desmond Obi Nandi,Ikama Edet Uwah
Corrosion is an enormous challenge in all sectors of the economy, especially to those working with metals. The research on the adsorption and inhibition analysis of aconitine alkaloid (ACA) and tubocurarine alkaloid (TBA) as eco-friendly inhibitors of pit... see more
Sri Setyaningsih,Maisari Utami,Akhmad Syoufian,Eddy Heraldy,Nasih Widya Yuwono,Karna Wijaya
Biodiesel is a renewable energy source that can be produced through esterification as well as transesterification reactions. This work presents a series of zirconia catalysts synthesized by hydrothermal method on various concentrations in acidic (H2SO4 0.... see more
Zaizafoon Nabeel,Qassim Abdul-Hussein Jaber,Nabeel Abed Abdul-Rida
Novel benzo[f]coumarin derivatives bearing pyrimidine unit were successfully synthesized. The target is to develop novel acetylcholinesterase inhibitors. The benzo[f]coumarin chalcone 4 was prepared via Claisen-Schmidt condensation between 3-acetyl-5,6-be... see more
Jeong Yoon Choi,Hun Ju Ham,Min-woo Kim,Abd Elaziz Sulieman Ahmed Ishag,Jang-Hyun Hur
This study developed a suitable analytical method for kasugamycin residues in Achyranthes japonica using LC/MS/MS equipped with an amide column for polar substances. Extraction and cleanup processes were done at pH 4.5–5. Purification efficiency was asses... see more
Naser Shaalan,Waleed Madhloom Khalaf,Shatha Mahdi
This study describes preparation a new series of tetra-dentate N2O2 dinuclear complexes Cr(III), Co(II)and Cu(II) of the Schiff base 2-[5-(2-hydroxy-phenyl)-1,3,4-thiadiazol-2-ylimino]-methyl-naphthalen-1-ol], (LH2) derived from 1-hydroxy-naphthalene-2-ca... see more
I Wayan Muderawan,I Wayan Mudianta,Ni Wayan Martiningsih
Kaempferia galanga is a tropical plant with an impressive range of food and medicinal uses. This study, therefore, investigated the variation in yields, physicochemical properties, chemical compositions, and antioxidant activities of rhizome oils from two... see more
Yeng-Fong Shih,Jia-Yi Xu,Nian-Yi Wu,Ting-Yuan Ou,Saprini Hamdiani
The curing kinetics of the epoxy resin crosslinked by an anhydride hardener with and without plant fibers was investigated. The epoxy composites containing modified pineapple leaf fiber (EASF), banana fiber (EBSF), and bamboo chopsticks fibers (ECSF) were... see more
Kim Ngan Thi Tran,Thuy Bich Tran,Sy Trung Do,Kim Oanh Thi Nguyen,Tan Van Lam
Recent trends in environmental remediation have shifted to the use of metal-organic framework (MOF) composites due to their unique structural properties. It is still challenging to diversify MOFs photocatalysts to fulfill application to treat toxic organi... see more
Ika Septiana,Bambang Purwono,Chairil Anwar,Beta Achromi Nurohmah,Jufrizal Syahri
Series of 2-aryl-4,5-diphenyl-1H-imidazole derivatives of 2-(4-hydroxy-3-methoxyphenyl)-4,5-diphenyl-1H-imidazole (1), 2-(4,5-dimethoxyphenyl)-4,5-diphenyl-1H-imidazole (2) and 2-(4-methoxyphenyl)-4,5-diphenyl-1H-imidazole (3) were produced and evaluated ... see more
Ainul Maghfirah,Farah Fahma,Nurmalisa Lisdayana,Muchammad Yunus,Ahmad Kusumaatmaja,Grandprix Thomryes Marth Kadja
PVA-alginate hydrogel is a promising material for use in biomedical applications due to its desirable characteristics: biocompatible, durable, non-toxic, and low cost. However, the low gel strength of this composite limits its use in biomedical applicatio... see more
Elza Sundhani,Agung Endro Nugroho,Arief Nurrochmad,Endang Lukitaningsih
The study aims to analyze the potential Herb-Drug Interactions (HDIs) of the chemical compound in Andrographis paniculate Burm. f. against Constitutive Androstane Receptor (CAR) and Pregnane X Receptor (PXR). The 1XVP and 1SKX obtained from the Protein Da... see more
Neza Rahayu Palapa,Tarmizi Taher,Normah Normah,Aldes Lesbani
Rice husk biochar (BC) loaded NiAl layered double hydroxide (LDH) has been synthesized to form NiAl LDH/BC composite through a co-precipitation method. NiAl LDH/BC has been used as an adsorbent to remove malachite green from water efficiently. The specifi... see more
Desinta Dwi Ristiana,Suyanta Suyanta,Nuryono Nuryono
Silica functionalized with sulfonic acid catalyst (SiO2-SO3H) was synthesized through a one-pot method and evaluated as the catalyst material for esterification of levulinic acid in an excess amount of ethanol. Sodium silicate solution was used as the sil... see more
Denny Akbar Tanjung,Novesar Jamarun,Syukri Arief,Hermansyah Aziz,Ahmad Hafizullah Ritonga,Boy isfa
The addition of LLDPE-g-MA into the compound of sago starch/LLDPE was studied to improve its mechanical, morphology, degradation performance, and water absorption properties. Thermoplastic Sago Starch was composed of a mixture of sago starch and glycerol.... see more
Ali Hussain Yateem
This report presents the N–H and O–H bond dissociation energies (BDEs) and enthalpies (BDEts) of 27 para-substituted anilines and phenols using Density Functional Theory (DFT) with functional wB97X-D and basis set 6-31G**. The computed BDEs/ BDEts show a ... see more
Novie Juleanti,Normah Normah,Patimah Mega Syah Bahar Nur Siregar,Alfan Wijaya,Neza Rahayu Palapa,Tamizi Taher,Nurlisa Hidayati,Risfidian Mohadi,Aldes Lesbani
Preparation of composite material from layered double hydroxide (LDH) with hydrochar (HC) from duku peel produces CaAl-HC, MgAl-HC, and ZnAl-HC have shown the success of the preparation process as evidenced by characterizations such as XRD and FT-IR. The ... see more
Atheer Abdulraheem Mahmood,Oday Atta Hammadi,Kais Rzaik Ibraheem
This work prepared organometallic complexes from the 8-hydroxyquinoline ligand linked to metal ions such as Ba2+, Ca2+, and Zn2+. The effects of metal ion type and adding nanoparticles to the complex solution on the absorption and photoluminescence charac... see more
Anna Safitri,Anna Roosdiana,Ellysia Hitdatania,Savira Ayu Damayanti
The existence of phytochemicals in Cosmos caudatus Kunth, predominantly phenolic compounds, offers several health benefits. Nevertheless, the bioactive compounds are usually susceptible to degradation, and therefore may reduce their biological activity. T... see more
Ali Taleb Bader,Nada Ahmed Rasheed Al-qasii,Ahmed Hassen Shntaif,Maryam El Marouani,Mohammed Idaan Hassan AL Majidi,László Trif,Mohammed Boulhaoua
Cobalt(II), nickel(II), and copper(II) complexes containing bidentate ligands )5-(4-nitrophenyl)-4-((4-phenoxybenzylidene)amino)-4H-1,2,4-triazole-3-thiol) could be synthesized by the condensation reaction between 1,2,4-triazole derivative and p-phenoxy b... see more
Ahmad Hafizullah Ritonga,Novesar Jamarun,Syukri Arief,Hermansyah Aziz,Denny Akbar Tanjung,Boy Isfa
This study investigates the improvement of the mechanical, thermal, and morphological properties of linear low-density polyethylene (LLDPE)/cyclic natural rubber (CNR) after the addition of organo-precipitated calcium carbonate (O-PCC). The impact on the ... see more
Mohammad Khotib,Bambang Soegijono,Zainal Alim Mas'ud,Gina Libria Nadjamoeddin
Cubic BaTiO3 was synthesized through low-pressure hydrothermal-assisted sintering using Ba(OH)2 and TiO2 as precursors with a mol ratio of Ba:Ti = 1.4:1. The single phase of cubic BaTiO3 was produced at a sintering temperature of 800 °C for 2, 4, 8, and 1... see more
Raynardthan Pontoh,Vania Edita Rarisavitri,Christine Charen Yang,Maximilliam Febriand Putra,Daru Seto Bagus Anugrah
Amylum is one of the polysaccharides developed into biodegradable plastic bags. However, amylum-based plastics are easily damaged due to their low mechanical strength and hydrophilic properties. Cellulose is used as a support material in amylum-based plas... see more
Faris Hermawan,Jumina Jumina,Harno Dwi Pranowo,Eti Nurwening Sholikhah,Muthia Rahayu Iresha
Plasmodium falciparum (P. falciparum) is the most fatal among the other Plasmodium parasites that infect humans with the malaria disease. Currently, the resistance of P. falciparum against some antifolate drugs has become a severe problem. On the other ha... see more
Miradatul Najwa Muhd Rodhi,Nur Affaaidil Amani Mohd Zaki,Harumi Veny,Fazlena Hamzah
This research aims to formulate a disinfectant from citrus waste-infused used cooking oil through the conventional process and evaluate its effectiveness in microbial elimination. Fourier Transform Infrared Spectroscopy (FTIR) and Gas Chromatography-Mass ... see more
Fidelis Nitti,Odi Theofilus Edison Selan,Bosirul Hoque,David Tambaru,Muhammad Cholid Djunaidi
Polymer inclusion membrane (PIM) has recently evolved as an alternative separation technique to conventional solvent extraction as it eliminates the use of toxic solvents, reduces separation cost, and simplifies the separation process. PIM is the new gene... see more