Artikel (231)
Carbonatogenic bacteria are able to produce calcium carbonate (CaCO3). Steel reinforcement of concrete is mainly made of a mixture of carbon (C) and ferrous (Fe) elements. Fe is classified as heavy metal, when in high concentrations it is toxic to bacteria. The purpose of this study was to determine...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 8 No. 2 (2021); 66-70 | 2021
Dengue Hemorrhagic Fever (DHF) cases are quite high in Indonesia. One of the causes of high dengue cases is the high vector population, namely the Aedes aegypti mosquito. Mosquito control Ae. aegypti one of them uses larvicides to break the chain of reproduction. The use of chemical-based larvicides...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 8 No. 2 (2021); 31-37 | 2021
Amylase and cellulase are enzymes that are amyocellulolytic. Both are extracellular enzymes that can degrade organic materials, namely starch and cellulose. The purpose of this study was to determine whether Bacillus sp. U4 and Pseudomonas sp. U3 could produce amylocellulolytic enzymes and determine...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 8 No. 2 (2021); 59-65 | 2021
Air is an important component for the survival of living things, especially humans. However, air quality has decreased due to pollution. The harmful elements that enter the atmosphere are Carbon Monoxide (CO), Nitrogen Dioxide (NO2), Sulfur Dioxide (SO2), Particulates (PM10), and Ozone (O3). Noise i...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 8 No. 2 (2021); 1-7 | 2021
Carbonatogenic bacteria have the ability to precipitate calcium carbonate (CaCO3) and many calcareous areas are found. Some of its species formed endosporas which resistant to harsh physical condition such as very alkaline pH. The objectives of this study were to obtain spore biomass and determine e...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 8 No. 1 (2021); 8-13 | 2021
Mango is one of the most widely grown plants in Indonesia. The characteristic that distinguishes one type of mango from another is to observe its anatomy. Anatomical research on the mango branch has not been done much, especially in Bandar Lampung. The purpose of this study was to determine the diam...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 8 No. 1 (2021); 70-76 | 2021
Curly red chili (Capsicum annuum L.) is widely used as industrial raw material because it has a spicy taste. The increasing demand for chili is not balanced with the level of production. Chilies are susceptible to disease, one of which is fusarium wilt. The magnetic field affected the physical and c...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 8 No. 1 (2021); 14-22 | 2021
Piles of uncontrolled pineapple peel waste have a negative impact that will affect various aspects of life, either directly or indirectly. Therefore, pineapple peel waste that can no longer be processed can be used for making compost. The taste of pineapple can be degraded biologically with the help...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 8 No. 1 (2021); 54-60 | 2021
Pineapple is one kind of fruit that contains a lot of nutrition. The waste from residual pineapple processing is called bromelain. Bromelain contains polymer complex in the form of organic sources from nature if it could be decomposed properly. One way to exploited bromelain is by composting.�...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 8 No. 1 (2021); 46-53 | 2021
The pineapple waste increased by the rise of production in pineapple, one of increasing pineapple waste is pineapple pulp (bromelain litter). The bromelain litter will be disadvantage for the environment, this matter could be solved by converting bromelain litter into compost. The composting process...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 8 No. 1 (2021); 23-31 | 2021