25 articles in this issue
Aji Prasetyaningrum,Bakti Jos,Ratnawati Ratnawati,Nur Rokhati,Teguh Riyanto,Gian Restu Prinanda
Moringa oleifera leaves contain secondary metabolites in flavonoid compounds known to prevent several diseases. Therefore, appropriate extraction methods are required to produce extracts with a high yield of flavonoids from Moringa. In this study, the ext... see more
Adhitasari Suratman,Desi Nur Astuti,Ryan Jonathan,Agus Kuncaka,Yusril Yusuf
A fabrication of eco-friendly and low-cost adsorbent materials is reported for CO2 removal. Alginate nanofibers (NFs) adsorbents were prepared by incorporating poly(vinyl alcohol) (PVA) into alginate solutions via electrospinning technique from alginate b... see more
Yuli Arif Tribudi,Ayu Tri Agustin,Dian Eka Setyaningtyas,Dwi Gusmalawati
Dengue fever is an infectious disease caused by the dengue virus, and there is no yet effective drug to treat this disease successfully. Our study aimed to identify the bioactive compounds of Acorus calamus L. and its potential role in inhibiting dengue v... see more
Edia Rahayuningsih,Wachid Siti Fatimah,Mukmin Sapto Pamungkas,Taranipa Marfitania
The recovery process of indigoid compounds involves enzymatic hydrolysis of indigo precursors continued by oxidation reaction to synthesize indigo pigment. The purpose of this research was to evaluate the effect of physicochemical process variables, i.e.,... see more
Dien Atin Boritnaban,Alfi Hudatul Karomah,Dewi Anggraini Septaningsih,Muhammad Majiidu,Fifi Gus Dwiyanti,Iskandar Zulkarnaen Siregar,Mohamad Rafi
Ebony (Diospyros celebica Bakh) is an endemic forest tree species found in Sulawesi whose basic information on its metabolite profile is still lacking. The objective of this research was to separate and identify putatively metabolite present in the leaves... see more
Nur Najwa-Alyani Mohd Nabil,Lee Sin Ang
Kaolinite is an essential mineral with numerous applications across many sectors. One of them is in the agricultural industry, in which it is a crucial component in the method of controlled-release fertilizer. This manuscript reports the use of different ... see more
Ifwarisan Defri,Nurheni Sri Palupi,Setyanto Tri Wahyudi,Nancy Dewi Yuliana
In Tanah Datar Regency, West Sumatra, Indonesia, the waste of pruning coffee leaves (Coffea canephora) is utilized as a traditional beverage called "Kawa Daun". For a consistent quality of Kawa Daun functional beverage, we evaluated the effect of differen... see more
Nor Harisah,Dwi Siswanta,Mudasir Mudasir,Suyanta Suyanta
In this study, a superparamagnetic composite of magnetite-cetyltrimethylammonium bromide (CTAB) has been prepared by the coprecipitation method and then applied as a charge-selective adsorbent of anionic methyl orange (MO). The VSM (Vibrating Sample Magne... see more
Nawwal Hikmah,Dewi Agustiningsih,Nuryono Nuryono,Eko Sri Kunarti
Iron(III)-doped SiO2/TiO2 composite (SiO2/TiO2-Fe) has been prepared from sugarcane bagasse ash for photocatalytic degradation of Congo Red. This research was initiated by preparing SiO2 from sugarcane bagasse ash through a sol-gel method. The SiO2/TiO2-F... see more
Saprizal Hadisaputra,Agus Abhi Purwoko,Saprini Hamdiani
The corrosion inhibition performance of 4-hydrocoumarin derivatives has been studied using weight loss, electrochemical impedance spectroscopy, potentiodynamic polarization, and electrochemical frequency modulation techniques. However, experimental studie... see more
Hong Tham Thi Nguyen,Kim Ngan Thi Tran,Thuy Bich Tran,Thanh Trung Nguyen,Sy Trung Do,Kim Oanh Thi Nguyen
The first copper-doped titanium-based amine-dicarboxylate metal-organic framework was synthesized by the solvothermal approach in this article, with a Cu2+/Ti4+ ratio of 0.15 (15% Cu/Ti-MOFs). X-ray diffraction (XRD), Fourier transform infrared spectrosco... see more
Nuha Hussain Al-Saadawy
The present work describes the synthesis of a variety of organotellurium compounds. The first part describes the synthesis of a new series of organotellurium compounds containing azomethine groups. Reaction of (E)-(4-((1,7,7-trimethyl bicyclo[2.2.1]heptan... see more
Anh Tram Ngoc Mai,Nguyen Khanh Pham,Kim Ngan Thi Tran,Van Thi Thanh Ho
Direct methanol fuel cell (DMFC) attracts much attention due to its high abundance, environmental friendliness, and convenient transportation and storage. In this study, a novel catalyst of Pt3Mo alloy nanoparticles (NPs) on non-carbon Ti0.8W0.2O2 s... see more
Wega Trisunaryanti,Safa Annissa Novianti,Dyah Ayu Fatmawati,Triyono Triyono,Maria Ulfa,Didik Prasetyoko
Simple and green preparation of ZnO blended with Parangtritis beach sand (BS) catalysts for oxidative desulfurization of dibenzothiophene (ODS-DBT) has been conducted. The ZnO-BS catalysts were prepared by blending ZnO with beach sand under a weight ratio... see more
Abdul Raheem Shar,Ghulam Qadir Shar,Zulfiqar Ali Jumani,Aslam Khan Pathan,Zubeda Bhatti,Ali Raza Rind,Ghulam Mujtaba Jogi
In the current study, the quality of groundwater used for drinking purposes was assessed in Taluka Ghorabari, Sindh, Pakistan. Twenty-five sampling locations were selected for the collection of groundwater. Samples were analyzed for physicochemical and he... see more
Dolih Gozali,Iyan Sopyan,Hairunnisa Hairunnisa,Siska Sari Marvita
Tamoxifen citrate (TC) is one of the anti-estrogen agents which has low solubility in the water. As TC is still used as the main therapy in breast cancer treatment, modifications are still being made to increase the solubility of TC for a successful treat... see more
Moraida Hasanah,Timbangen Sembiring,Zuriah Sitorus,Syahrul Humaidi,Fynnisa Zebua,Rahmadsyah Rahmadsyah
The application of composite membranes consisting of SiO2 from the volcanic ash of Mount Sinabung, TiO2, and PVA on a laboratory scale has been investigated to improve the Silau River’s water quality in Asahan Regency. The purpose of this study is to dete... see more
Faizal Maulana,Alfari Andiqa Muhammad,Ali Umar,Fachrur Rizal Mahendra,Muhammad Musthofa,Waras Nurcholis
Orthosiphon aristatus (called kumis kucing in Indonesia) is a valuable herb for diabetes mellitus treatment. In this study, LC-MS/MS and PCA analyses were used to investigate the metabolite profile, classify O. aristatus extracts, and assess the inhibitor... see more
Umi Baroroh,Nur Asni Setiani,Irma Mardiah,Dewi Astriany,Muhammad Yusuf
Currently, nanobody binding cortisol has been deposited in the database. Unfortunately, the affinity is still in micromolar order. Substituting hydrophobic residues in the binding pocket and utilizing CDR2 and CDR3 is the strategy to improve the affinity.... see more
Norainny Yunitasari,Tri Joko Raharjo,Respati Tri Swasono,Harno Dwi Pranowo
Vernonia amygdalina was reported to be used as a therapy for Diabetes Mellitus (DM). One of the mechanisms of therapy DM was to inhibit the action of the a-amylase enzyme. This study aimed to prove the presence of compounds that could inhibit the action o... see more
Ammar Zeidan Alshemary,Huda Basim Qasim,Ali Taha Saleh
This article evaluates the impact of the addition of zinc (Zn) and magnesium (Mg) on the structural, morphological, and antibacterial characteristics of ß-tricalcium phosphates (hereafter called Zn/Mg-ßTCP) prepared using the microwave (MW) assisted wet p... see more
Fiqhi Fauzi,Alfian Noviyanto,Pipit Fitriani,Amirudin Wibowo,Toto Sudiro,Didik Aryanto,Nurul Taufiqu Rochman
This paper reports a route to suppress the grain growth in silicon carbide (SiC) during its sintering by combining it with polysilazane (PSZ). SiC was mixed with PSZ in a 1:1 weight ratio and sintered at 1600, 1700, and 1800 °C in a hot-pressing furnace. ... see more
Adi Setyo Purnomo,Hamdan Dwi Rizqi,Aulia Ulfi,Refdinal Nawfa,Herdayanto Sulistyo Putro
Methylene blue (MB) is a synthetic dye widely used in industries that is difficult to degrade in the environment due to its stability. Brown-rot fungus Fomitopsis pinicola is an organism that is known to be able to degrade some organic pollutants such as ... see more
Kim Ngan Thi Tran,Bich Ngoc Hoang,Kim Oanh Thi Nguyen,Hong Tham Thi Nguyen,Sy Chi Phung,Huong Tra Do,Cam Quyen Thi Ngo
: Jackfruit is a fruit tree species distributed mainly in Southeast Asia and Brazil. The pulp and skin of jackfruit are widely used in various fields such as food, medicine, and interior decoration. However, the jackfruit processing into edible and usable... see more
Aprilia Permata Sari,Unang Supratman
Curcuma aeruginosa Roxb. is a stemless, aromatic rhizomatous plant, generally characterized by red corolla lobes, purple calyx, dark purple leaf sheath, purple-brown midrib, and greenish-blue rhizome. This species is usually blooming during the wet and ra... see more