Indonesian Journal of Chemistry  

Mistriyani Mistriyani,Sugeng Riyanto,Anjar Windarsih,Abdul Rohman

The consumption of rambutan fruit resulted in a vast amount of peels and seeds waste. Therefore, the exploration of active compounds having beneficial effects on human health, such as antioxidants, is very lucrative. This research was aimed to isolate and... see more

Fahri Swasdika,Wega Trisunaryanti,Iip Izul Falah

Catalysts comprising copper and/or zinc supported on mesoporous silica-alumina (MSA) with a high Si/Al ratio were prepared by wet impregnation method. This study investigated the preparation, characterization, and catalytic application of the prepared cat... see more

Nur Munirah Safiay,Rozina Abdul Rani,Najwa Ezira Ahmed Azhar,Zuraida Khusaimi,Fazlena Hamzah,Mohamad Rusop

In this research, TiO2 thin films were prepared using a simple sol-gel spin coating process. The films were characterized using Field Emission Scanning Electron Microscopy (FE-SEM), Energy Dispersive Ray (EDX), X-ray diffraction (XRD) and Ultraviolet–visi... see more

Mei Shirli Yasinta,Hera Lisna Ginawati,Nira Ambar Arum,Harini Nur Hikmah,Sri Sumarsih,Mochamad Zakki Fahmi,Afaf Baktir

Candida albicans often form polymicrobial biofilms along with pathogenic microbes. Silver nanoparticles (AgNPs) were well known to have strong antimicrobial activity. However, their effect on polymicrobial biofilms and the mechanism has never been reporte... see more

Mustapha Abdeldjabar Charef,Hakima Kebaili,Mostefa Kameche,Christophe Innocent

A Microbial Fuel Cell (MFC) was conceived by using garden soil as a source to culture. It was then utilized as a bio-catalyst to decompose waste organic matter, reduce pollution from the soil, and produce energies. The MFC was composed of a bio-anode inoc... see more

Muhammad Sulaiman Zubair,Syariful Anam,Saipul Maulana,Muhammad Arba

Quercetin and daidzin are flavonoid and flavonoid glycoside type compounds that have been found in many plants and nutraceuticals. This study aims to examine the in vitro cytotoxic and selectivity properties of quercetin and daidzin on breast and cervical... see more

Ilesanmi Osasona,Ujiro Bestow Kanuhor

The world is clamoring for green synthetic modes of scientific and technological operations. From this point of view, an attempt was made to prepare activated carbon from rice husk using aqueous bitter leaf extract and a mineral acid (H2SO4) separately. T... see more

Suyanta Suyanta,Sunarto Sunarto,Regina Tutik Padmaningrum,Karlinda Karlinda,Illyas Md. Isa,Rahadian Rahadian

This study was aimed to develop a method for metal analysis in continuous integration using voltammetry techniques. The research subject was copper(II) ions. The objects of research were linearity, scan rate, repeatability of readings, and the presence of... see more

Tukiran Tukiran,Suyatno Suyatno,Frisca Nadya Safitri

Several extracts of Syzygium species have been shown to inhibit the growth of some fungal microorganisms implicated in skin diseases, such as Candida albicans included S. samarangense. However, an antifungal test of C. Albicans on this plant's stem bark h... see more

Ahmed Elsayed Abdelhamid,Eman AboBakr Ali Yousif,Manal Mohamed Talaat El-Saidi,Ahmed Ali El-Sayed

Green synthesis of silver nanoparticles (AgNPs) using aqueous Moringa extract and their incorporation in polyvinyl alcohol (PVA) as food packaging materials have been performed. The prepared nanoparticles were characterized via Ultraviolet-visible spectra... see more

Sriatun Sriatun,Heru Susanto,Widayat Widayat,Adi Darmawan

NiO/silica-rich zeolite catalysts were used for coconut oil hydrocracking. The catalyst was prepared with a mixture of Na2SiO3, Al(OH)3, NaOH, and quaternary ammonium surfactants. The surfactant was varied of types like as tetrapropylammonium bromide (TPA... see more

Ali Taha Saleh,Dheyaa Alameri

A novel two-step methodology delivering zinc into the structure of ß-tricalcium phosphate (ß-TCP) has been investigated. Incorporating wet precipitation of calcium-deficient apatite [Ca9-xZnx(HPO4)(PO4)5(OH)] (x = 0.00–1.00 mol) using a microwave-assisted... see more

Adi Tiara Zikri,Harno Dwi Pranowo,Winarto Haryadi

Stability and hydrogen bond occupancy analysis of flavonol derivative docked in DAPK1 have been carried out using molecular dynamics simulation approach. Six flavonol derivatives were docked in DAPK1 as protein target, then continued with molecular dynami... see more

Yusica Amalia Rasyda,Mudhita Kusuma Widowati,Soerya Dewi Marliyana,Sentot Budi Rahardjo

The novel nickel(II) complex has been successfully synthesized through the reaction of Ni(NO3)2·6H2O with 4-aminoantipyrine (AAP) ligand in a 1:3 mole ratio of Ni(II) to AAP. The complex was characterized using UV-Vis, Atomic Absorption Spectroscopy (AAS)... see more

Gan Yi Yun,Nur Azzanizawaty Yahya,Roswanira Abdul Wahab,Mariani Abdul Hamid

The research was carried out to synthesize a stable kojic acid (KA) encapsulated nanoemulsion as a whitening agent for topical skin usage. In this study, the oil-in-water (O/W) KA nanoemulsion was formulated using integrated low and high energy methods th... see more

Nindya Tri Muliawati,Dwi Siswanta,Nurul Hidayat Aprilita

An optical analytical sensor was proposed based on the complexation reactions of 1,10-phenanthroline derivative in aqueous solutions. This study aims to synthesize a metal ion sensor for detecting Fe(ll) ion from the immobilization of 1,10-phenanthroline ... see more

Aldes Lesbani,Neza Rahayu Palapa,Rabelia Juladika Sayeri,Tarmizi Taher,Nurlisa Hidayati

Ni/Al layered double hydroxide was used as a starting material for composite formation with biochar as a matrix. The materials were characterized using X-ray, FTIR, nitrogen adsorption-desorption, thermal, and morphology analyses. The NiAl LDH/Biochar mat... see more

Suratno Suratno,Zahriza Purnadayanti,Hilda Novianty,Selvia Oktaviyani

The high level of fish consumption was the main factor in the vulnerability of Hg exposure to the human body. The preliminary information of the total mercury (THg) concentration of Indian scad (Decapterus russelli) and Torpedo scad (Megalaspis cordyla) f... see more

Saifaldeen Muwafag Abdalhadi,Asmaa Yahya Al-Baitai,Hazim Abdulrazzaq Al-Zubaidi

In a one-pot reaction, three new 2,3-diaminomaleonitrile (DAMN) derivative dyes were prepared by simple Schiff base reaction. The compounds were designed as a sensitizer in dye synthesizes solar cells (DSSCs). Many conditions have been used to provide the... see more

Endang Astuti,Tri Joko Raharjo,Putra Boang Manalu,Ilham Satria Putra,Stephanus Satria Waskitha,Junita Solin

This research involves the synthesis, antimalarial evaluation, and molecular docking of several curcumin analogs. A total of six curcumin analog compounds were synthesized using aldol condensation using hydrochloric acid and sodium hydroxide catalysts. Th... see more

Manel Khiat,Fatima-Zohra Zradni,Souad Kasmi-Mir,Alejandro Baeza

An electrochemical study using the cyclic voltammetry method was carried out on some previously prepared merocyanines salts, namely thiazolideniumsulfonate salts 5a-b, and thiazolidenium chloride salts 6a-b, and merocarbocyanines salts, namely alkylidenth... see more

Reem Naser Dabaibeh

Al-Zarqa is experiencing challenges in industry conversion and extensive urbanization. The environmental quality of soil in the Al-Zarqa region was analyzed by Spatial analysis for the identification of sources and estimation of the concentration of heavy... see more

I Putu Parwata,Deana Wahyuningrum,Sony Suhandono,Rukman Hertadi

Ectoine is one of the compatible organic molecules that can protect the protein from heating, freezing, and chemicals contact. This study aims to investigate the ability of ectoine to stabilize lipase on heating and in methanol treatments as an effort to ... see more

Rini Dwiastuti,Dina Christin Ayuning Putri,Maywan Hariono,Florentinus Dika Octa Riswanto

Resorcinol and 4-n-butyl resorcinol have been used to improve skin health. However, these two compounds were unstable due to the oxidation process. Lipid nanoparticle formulation strategies were reported as the solution to overcome the stability problem f... see more

Yana Cahyana,Tsani Adiyanti

Flavonoids are polyphenol compounds that exert many potential health benefits, including diabetes type-II, which is the third most common disease that causes death, right after cancer and cardiovascular diseases. The excessively high level of blood glucos... see more