25 articles in this issue
Erianti Siska Purnamasari,Linda Septiana,Ari Hardianto,Ukun Mochammad Syukur Soedjanaatmadja,Anni Anggraeni,Husein Hernadi Bahti
This study is concerned with synthesizing ethylenediamine-folate (EDA-Folate), which will then be used as a precursor in synthesizing Gd-PEG-DOTA-Folate, a novel targeted-contrast agent for the diagnosis of cancer, employing the Magnetic Resonance Imaging... see more
Nadia Salih,Jumat Salimon
Epoxidized castor oil (ECO) has shown high potential for industrial applications as value-added products such as polymer coating, plasticizer, and biolubricant. Epoxidized ricinoleic acid recovered from ECO has potential for industrial usage. In this work... see more
Annisa Afra Martha,Defia Indah Permatasari,Elma Retna Dewi,Nikho Asyoka Wijaya,Eko Sri Kunarti,Bambang Rusdiarso,Nuryono Nuryono
In this research, silver nanoparticles (AgNP) impregnated on natural magnetic material/chitosan composite (NMP/Chi) have been conducted with different AgNP concentrations (0.5, 1.0, 1.5 mM). Their antibacterial activity was examined against Escherichia co... see more
Muhammad Syukri Surbakti,Muhammad Farhan,Zakaria Zakaria,Muhammad Isa,Elly Sufriadi,Sagir Alva,Elin Yusibani,Leni Heliawati,Muhammad Iqhrammullah,Khairi Suhud
The use of the notorious synthetic dye, rhodamine B, in food and beverage products has been widely reported. This application urges the need to develop an analytical method that can provide reliable rhodamine B data with an easy operational technique. The... see more
Asmahane Fasla,Zoubida Seghier,Abdelkader Iddou,Laura Caserta
Besides others, textile industries are the primary sources of discharging a massive amount of highly colored wastewater. Adsorption can be considered the most economically favorable technology method for removing dyes from wastewater. This paper reports t... see more
Muhammad Aliyu,Abdul Halim Abdullah,Mohamed Ibrahim bin Mohamed Tahir
Exploiting waste materials to make cost-effective adsorbents and waste management methods are gaining more attention. In the current study, rubber wastes derived from dipping tank coagulum (DTC) in the glove manufacturing industry were converted into a no... see more
Sri Murniasih,Sri Juari Santosa,Roto Roto
This research aims to determine the concentration of multi-nutrients and heavy metals and investigate the correlation among them in the seven inorganic fertilizers in Indonesia. Sample analysis was carried out using the NAA method. The highest concentrati... see more
Eti Meirina Brahmana,Jamaran Kaban,Ginda Haro,Mimpin Ginting
A series of chalcones was synthesized to be (E)-1-(4-chlorophenyl)-3-p-tolyprop-2-en-1-on (1), (E)-1-(4-chlorophenyl)-3-(4-tolyprophenyl) prop-2-en-1-on (2), (E)-1-(3-bromophenyl)-3-p-tolylprop-2-en-1-on (3), and (E)-1-(3-bromophenyl)-3-(4-isopropyl pheny... see more
Rizka Hayati,Rian Kurniawan,Niko Prasetyo,Sri Sudiono,Akhmad Syoufian
Iron (Fe) and nitrogen (N) were introduced as dopants into zirconium titanate (ZrTiO4) in order to study the codoping effects of nitrogen on iron-doped zirconium titanate (Fe,N-codoped ZrTiO4) composite. Titanium tetraisopropoxide (TTIP), zirconia (ZrO2),... see more
Kok Tong Wong,Hasnah Osman,Thaigarajan Parumasivam,Muhammad Solehin Abd Ghani,Mohd. Zaheen Hassan,Unang Supratman,Mohamad Nurul Azmi Mohamad Taib
Two series of new 3,5-disubstituted-pyrazole-1-carbothioamides (4a-f and 5a-e) were designed and synthesized through condensation reaction between chalcones and thiosemicarbazides under alkaline condition via cyclocondensation reaction. The structures hav... see more
Indah Kusmartini,Diah Dwiana Lestiani,Syukria Kurniawati,Endah Damastuti,Natalia Adventini,Woro Yatu Niken Syahfitri,Dyah Kumala Sari,Djoko Prakoso Dwi Atmodjo,Muhayatun Santoso
In this study, trace elements in crackers were determined using Instrumental Neutron Activation Analysis (INAA) to assess their intake, food safety, and health contribution. The 62 samples of crackers were collected and purchased from local markets in fiv... see more
Siti Salamah,Wega Trisunaryanti,Indriana Kartini,Suryo Purwono
Mesoporous silica (MS) supported by nickel was synthesized from Parangtritis beach sand and assessed for its activity and selectivity as catalysts in hydrocracking waste cooking oil into biofuel. The synthesis of MS was done by the sol-gel method. Ni/MS c... see more
Tran Thien Hien,Hoang Quang Binh,Huynh Bao Long,Xuan Tien Le
In recent years, essential oils extracted from different plant species have become increasingly popular in the production of pharmaceuticals, cosmetics, and foods. The essential oil from orange (Citrus sinensis) is important in large-scale applications du... see more
Bagaskoro Tuwalaid,Dyah Iswantini,Setyanto Tri Wahyudi
Continuous inflammation can cause new and more severe diseases, thus effective treatments are needed. One of the common inflammation treatments is given by reducing prostaglandins' production through the inhibition of COX-2 activity. This experiment aims ... see more
Ahmed Saleh Farhood,Dakhil Nassir Taha
A fast, simple, and high throughput sample merging-zone flow injection design was developed to determine copper(II) in aqueous solution. The procedure is based on the reduction of copper(II) to copper(I) by uric acid followed by a direct reaction with Neo... see more
Abdulloh Abdulloh,Ulfa Rahmah,Satya Candra Wibawa Sakti,Alfa Akustia Widati,Ahmadi Jaya Permana,Rochadi Prasetya,Musbahu Adam Ahmad,Mochamad Zakki Fahmi
The improvement in the design of mordenite-based catalysts focuses on the present study to fulfill the massive demand for bio-aviation fuel (BAF) as renewable energy. Modification of the mordenite through ionic impregnation of Fe, Cu, and Cr, has supporte... see more
Maudy Pratiwi Novia Matovanni,Sperisa Distantina,Mujtahid Kaavessina
Cassava starch-grafted polyacrylamide (CS-g-PAM) hydrogels were synthesized using a microwave-assisted method and K2O8S2 (KPS) as an initiator. In this study, we studied the influence of the amount of acrylamide and irradiation time on the properties of C... see more
Nur Syafiqa Hazirah Razali,Hayati Mohamad Mukhair,Kian Mun Lee,Mohd Izham Saiman,Abdul Halim Abdullah
Due to its toxicity, 4-chlorophenol (4CP) must be removed from the wastewater before discharging into open water. In this work, ZnO and Ag-ZnO photocatalysts were prepared via a solvothermal method under mild conditions (150 °C), followed by calcination a... see more
Farah Nurlidar,Mime Kobayashi,Ade Lestari Yunus,Rika Heryani,Muhamad Yasin Yunus,Tita Puspitasari,Darmawan Darwis
The effect of gamma-irradiation on bacterial cellulose (BC) was investigated in terms of improving its properties as scaffolds for tissue engineering. BC pellicles were exposed to 25, 50, and 75 kGy gamma-ray irradiation, and X-ray diffraction analyses sh... see more
Elvi Kustiyah,Achmad Nandang Roziafanto,Majid Amrullah,Dedi Priadi,Mochamad Chalid
In this work, the effect of chitosan and CaCO3 coating on polyurethane (PU) foam on the mechanical and thermal properties was studied. PU-foams were soaked in a mixture of chitosan- calcium carbonate solution at different concentrations, i.e., 0.1–0.4%. T... see more
Rizky Ibnufaatih Arvianto,Anatta Wahyu Budiman,Khoirina Dwi Nugrahaningtyas
Bifunctional catalysts are often used in multiple reactions to synthesize certain products. The catalytic activity of bifunctional catalysts is influenced by parameters such as crystallinity, specific surface area, metal distribution, and morphology. Bifu... see more
Arizal Firmansyah,Yulfi Zetra,Rafwan Year Perry Burhan,Didik Prasetyoko,Novesar Jamarun
The present work aims to study the synthesis of 2-hydroxyethyl esters from castor oil and its lubrication properties, promising as a lubrication bio-additive in low sulfur diesel fuel. This compound has been successfully synthesized from castor oil and et... see more
Indah Miftakhul Janah,Roto Roto,Dwi Siswanta
In this work, tartrate-capped silver nanoparticles (AgNPs) by reducing Ag+ ions into Ag0 using L-ascorbic acid and capping disodium tartrate have been prepared. The reaction was carried out at room temperature in an alkaline medium of pH 11 to obtain a ra... see more
Alvina Nur Aini,Claude Mona Airin,Tri Joko Raharjo
Meat produced from non-halal slaughter is forbidden for Moslems. The slaughter methods contribute to the physiological response of animals expressed as different proteome profile. Proteome of two meat obtained from the halal and non-halal slaughter of Wis... see more
La Harimu,Sri Wahyuni,Nasrudin Nasrudin,Muhamad Jalil Baari,Dian Permana
Methylene blue (MB) is a dye in wastewater from textile industries that pollutes the water environment. Reduction of its content is necessary for protecting humans and the surrounding environment. This study fabricated chitosan/Fe3O4 nanocomposite through... see more