25 articles in this issue
Suharyadi Suharyadi,Muhammad Iqbal Syauqi,Prita Amelia,Yunita Yunita,Jarnuzi Gunlazuardi
Ammonia is commonly synthesized through the Haber-Bosch process, which produces large amounts of CO2 emissions as it is carried out at extreme temperatures and pressures. An alternative technology is needed to synthesize ammonia which consumes less energy... see more
Auliya Ilmiawati,Melinia Falestin,Akhiruddin Maddu,Luthfan Irfana,Purwantiningsih Sugita,Budi Arifin
Sansevieria trifasciata (mother-in-law's tongue), an ornamental plant widely found in Indonesia, can absorb electromagnetic radiation in various electronic devices. This study aims to find the best S. trifasciata extract as an electromagnetic and thermal ... see more
Nur Syazwanie Izzati Chik,Norin Zamiah Kassim Shaari
In this study, silica gel was extracted from rice husk ash using a modified acid-leaching process. The gel was then characterized using an X-ray Diffractometer (XRD) and an X-ray Fluorescence (XRF). At different loadings of 0, 0.05 and 0.10 wt.%, sil... see more
Novesar Jamarun,Nabiila Ayyu Trycahyani,Syukri Arief,Upita Septiani,Vivi Sisca
Hydroxyapatite (Ca10(PO4)6(OH)2, HAp) is a calcium phosphate-based biomaterial that is widely used in bone implants due to its similarity in composition with the constituent elements of bone. However, HAp still has poor mechanical properties, so research ... see more
Husna Syaima,Sentot Budi Rahardjo,Anisa Nurul Hanifa,Ariffah Ana Fathonah,Ratna Setyaningsih
The aims of this research are to synthesize and determine the formula, characteristics, and complex structure of Cu(II) and Co(II) with 4-aminophenol and to investigate their antibacterial activity. The complexes were synthesized by refluxing a solution o... see more
Patricia Nemate,Feleke Zewge,Eyobel Mulugeta
One in every three people in the world still lacks access to clean drinking water. Aside from microbiological pollution, high fluoride content in drinking water is one of the most serious problems in African countries. This study aimed to contribute to th... see more
Rafles Sinaga,Wida Banar Kusumaningrum,Yana Taryana,Widya Fatriasari,Zuratul Ain Abdul Hami,Lisman Suryanegara,Holilah Holilah,Yudi Darma
The polymer/ferroferric oxide (Fe3O4) foam and aerogel composites generally exhibit superior radar absorptivity performance. However, these composites have poor mechanical and thermal properties. This study manufactured a polylactic acid (PLA)/Fe3O4 bio-c... see more
Akhmad Syoufian,Rian Kurniawan
Composites of manganese and nitrogen-codoped zirconium titanate (Mn,N-codoped ZrTiO4) had been synthesized by the sol-gel method as a visible-light responsive photocatalyst for the photodegradation of methylene blue (MB). Synthesis was conducted at 25&nbs... see more
Yuliet Yuliet,Agustinus Widodo,Khildah Khaerati,Joni Tandi
Hantap (Sterculia coccinea Jack) has been used traditionally for various health issues, including cancer treatment. The therapeutic effects of natural ingredients are often attributed to their chemical constituents. This study aimed to analyze the phytoch... see more
Pelin Senel,Bleda Can Sadikogullari,Elif Çepni Yüzbasioglu,Gülnur Mertoglu Elmas,Dilek Oral,Aysegül Gölcü,Ayse Daut Özdemir
The genus Genista L. (Family: Fabaceae) is a plant having several traditional uses for treating common ailments such as diabetes, ulcer, and respiratory diseases. In this current study, the composition of essential oil and the biological activities of Gen... see more
Muhammad Akram Fakhriza,Bambang Rusdiarso,Siti Sunarintyas,Nuryono Nuryono
The physical and antibacterial properties of mineral trioxide aggregate (MTA) have been improved by adding copper nanoparticles (CuNP). The CuNP colloid was synthesized by reacting CuCl2·2H2O and NaBH4 as the reducing agent using C6H8O6 as the capping age... see more
Shireen Abdulmohsin Azeez,Fadhela Muhammad Hussein,Rasha Wali Mohi Alsaedi
The adsorption of Cibacron Brilliant Yellow (CBY) 3-GP dye onto TiO2 Degussa, Fe2O3, and TiO2 anatase/Diphenylcarbizide in aqueous solution was studied with respect to temperature, contact time, and pH. The CBY 3-GP adsorption at equilibrium increased as ... see more
Wiyarat Kumutanat,Sakchai Hongthong,Sariyarach Thanasansurapong,Naowarat Kongkum,Napasawan Chumnanvej
Mammea siamensis (Miq.) T. Anders. (Calophyllaceae) plants have long been employed as an active integral composition in Thai traditional medicine. Additionally, phenylcoumarins and triterpenes were reported as major components in phytochemical research. T... see more
Suriati Eka Putri,Ahyar Ahmad,Indah Raya,Rachmat Triandi Tjahjanto,Rizal Irfandi,Harningsih Karim,Susilo Sudarman Desa,Abd Rahman
This study was conducted to determine the role of thermal treatment on the crystallinity and pore characteristics of porous ceramic, which was prepared from natural clay (NC) and chitosan (CS) biopolymer using the gel casting method. CS was used as an env... see more
Bekti Marlena,Hary Sulistyo,Rochmadi Rochmadi
The purification of terephthalic acid recovered from an alkali-reduction wastewater by reactive crystallization was investigated. The crude terephthalic acid was reacted with sodium hydroxide solution to form a salt of disodium terephthalate, then acidifi... see more
Ali Mudher Abdulkareem Al-Khazraji
In the current endeavor, a new Schiff base of 14,15,34,35-tetrahydro-11H,31H-4,8-diaza-1,3(3,4)-ditriazola-2,6(1,4)-dibenzenacyclooctaphane-4,7-dien-15,35-dithione was synthesized. The new symmetrical Schiff base (Q) was employed as a ligand to produce ne... see more
Muhammad Arba,Arfan Arfan,Yamin Yamin,Muhammad Sulaiman Zubair
We described the biological activity of the Clerodendrum paniculatum leaf fraction against the SARS-CoV-2 3-Chymotrypsin-like 3CL protease at the molecular level. This study applied LC-MS/MS to identify bioactive compounds from fractions, computational st... see more
Heder Djamaludin,Hardoko Hardoko,Muhammad Dailami,Vivi Nurhadianty,Mohammad Sholeh Uluwwi,Novaldo Yuri Muhammad,Tristany Brighton Jorghi
Tuna is one of the fish source of nutrition for humans because it contains high-quality protein and omega-3 fatty acids, which are beneficial for health. Tuna can be processed into various products, such as tuna-shredded. But it still has a drawback, i.e.... see more
Abbas Fadhil Yasir,Hayder Obaid Jamel
A new series of complexes of the 2-((1E,2E)-1,2-diphenyl-2-(thiazol-2-ylimino)ethylidene)amino)phenol (DPTYEAP) has been synthesized by the reaction of the ligand with metal chlorides of Ni(II), Cu(II), Pt(IV), and AgNO3 in ethanol as a solvent. The ligan... see more
Ilmi Nur Indriani Savitri,Prastika Krisma Jiwanti,Ilmanda Zalzabhila Danistya Putri,Irkham Irkham,Yasuaki Einaga,Ganden Supriyanto,Yew Hoong Wong,Sachin Kumar Srivastava,Che Azurahanim Che Abdullah
This study investigates the effects of boron concentration on boron-doped diamond (BDD) electrodes for electrochemical sensors of ciprofloxacin. The effects of boron concentration, scan rate, and pH of BDD electrodes with boron concentrations of 0.1, 0.5,... see more
Suratno Suratno,Satriyo Krido Wahono,Dwi Siswanta,Nurul Hidayat Aprilita
This study analyzed MeHg in a fast, simple, low-waste, and accurate by using ultra-high liquid chromatography coupled with inductively coupled plasma mass spectrometry. Simple preparation by liquid extraction with sonication at room temperature was effect... see more
Önder Idil,Hakan Sahal,Erdal Canpolat,Mustafa Özkan
Synthesis of three Schiff bases of 5-bromo-3-nitro salicylaldehyde containing different sulfonamide group antibiotic compounds and their Cu(II) complexes was carried out. Structures of all compounds were characterized with spectroscopic methods, including... see more
Redi Kristian Pingak,Soukaina Bouhmaidi,Larbi Setti,Bartholomeus Pasangka,Bernandus Bernandus,Hadi Imam Sutaji,Fidelis Nitti,Meksianis Zadrak Ndii
This study reports for the first time the theoretical prediction of structural, electronic, elastic and optical properties of cubic BaLiCl3, BaLiBr3, and BaLiI3 perovskites. The corresponding properties of the well-known BaLiF3 are also theoretically inve... see more
Khoirul Ihsan Solihin,St Mardiana,Handajaya Rusli,Grandprix Thomryes Marth Kadja
Heavy metal ions have attracted significant concern regarding their toxicity in living organisms. Concurrently, the removal of heavy metals by the adsorption method is also under the spotlight because it is effective, less cost-demanding, and easy to oper... see more
Norhayati Hahsim,Zuhailimuna Muda,Illyas Md Isa,Norlaili Abu Bakar,Wan Rusmawati Wan Mahamod,Noorshida Mohd Ali,Sharifah Norain Mohd Sharif,Maizatul Najwa Jajuli,Syazwan Afif Mohd Zobir,Suyanta Suyanta
Zinc Layered hydroxide (ZLH) is a layered material easily synthesized with a structure identical to brucite-like material. Due to the exchangeable anions in the interlayer compensating for the positive charge of a brucite-type layer, ZLH provides a wide a... see more