Abundant oil-palm shells waste which is generated annually as the result of the increasing production of palm oil can be utilized as source of liquid smoke. The acidic property of liquid smoke shows its potency as natural ...

Fine coal is a by-product of coal washing, which is not utilized and nearly 2 billion tons per year of fine coal is waste. The objectives of the research are to treatment fine coal using centrifugation and coagulation-flocculation ...

The misapplication of chemicals, such as formaldehyde, for preservative is still found in processed food ingredients. The use of these materials can be replaced by redistilled liquid smoke from oil palm shells. Identification ...

Carbon nanoparticles (C-dot) are among the materials which have fluorescence ability. C-dot can be synthesized from various materials with high carbon composition. The purposes of this research were to synthesize and ...

Utilization of banana plant biomass as supercapacitor electrodes will give additional value to the waste. In this study, the banana peel contained the highest fixed carbon as compared with the midrib, stem, and leaves. The ...

Physalis angulata known as ciplukan in Indonesia is widely used as herbal medicinal plant. Studies on this plant revealed its potency as antidiabetic, antioxidant, antimicrobial, and antiasthma, but the toxicity is not ...

Efforts using variety of medicinal plants as antihypercholesterolemic have been widely carried out. However, the active compounds are responsible in the inhibition mechanism is not known yet. The aim of this study is to ...

Dibenzoyl resacetophenone (diBz) is an important precursor in synthesis of 7-hydroxyflavone and its derivatives through Baker-Venkataraman rearrangement. In previous studies, benzoylation of resacetophenone by using benzoyl ...

Bone implants is a way to cure broken bones which is being developed. The implants can be made of metals, ceramics and polymers. Metallic materials commonly used are titanium (Ti), stainless steel, and metal alloys. This ...

The quality of temu lawak is determined by its active substance that contained therein. Determination of the active substance needs quick and low cost method, as well as, accurate measurement. Voltammetry technique is ...