A5009280982- Food and Agricultural Sciences
- Enzyme Production and Characterization
- Medicinal Plant Research
- Plant Pathogens and Fungal Diseases
- Agricultural and Biological Research
- Plant-Microbe Interactions and Immunity
- Plant Growth and Agriculture Techniques
- Aquatic life and conservation
- Coconut Research and Applications
- Natural Products and Applications
- Protein Hydrolysis and Bioactive Peptides
- Microbial Metabolism and Applications
- Agricultural and Environmental Management
- Essential Oils and Antimicrobial Activity
- Phytase and its Applications
- Studies on Chitinases and Chitosanases
- Insect Resistance and Genetics
- Nuclear Physics and Applications
- Probiotics and Fermented Foods
- Microplastics and Plastic Pollution
- Marine and Coastal Ecosystems
- Biochemical and Structural Characterization
- Biofuel production and bioconversion
- Plant tissue culture and regeneration
- Radiation Therapy and Dosimetry
Universitas Sumatera Utara
2013-2024
Andalas University
2023
National Nuclear Energy Agency of Indonesia
2011-2020
Universitas Pamulang
2020
Universitas Ibn Khaldun Bogor
2019
University of Indonesia
2018
Universitas Muhammadiyah Tapanuli Selatan
2018
Plastic is a naturally recalcitrant polymer, once it enters the environment, will remain there for many years. Accumulation of plastic as wastes in environment poses serious problem and causes an ecological threat. Alternative strategies to reduce accumulation have been initiated implemented from different aspect including microbiological view point. The study obtain potential fungi degrading molecule has our laboratory. Low density polyethylene (LDPE) was used tested material. Candidate...
Mangrove-associated bacteria are of industrial interest due to their diverse and versatile enzyme properties. This study investigates the culturable from a wide range habitat in
The utilization of chitinolytic bacterial isolates Enterobacter sp. KR05, Enterobactercloacae LK08, Bacillus sp. BK13, Enterobacter sp. BK15, and Bacillus sp. BK17 to control basal stem rot disease caused by Ganoderma boninense in oil palm seedling was studied. Antagonistic assay isolates to G. boninense was conducted in minimum salt medium agar with 2% colloidal chitin as sole carbon source. To examine ability the reducing incidence, 3 4 months old seedlings were treated by pouring growing...
Introduction: The greatest disadvantage of silicone soft denture liner (SDL) materials is the difficulty in keeping them clean due to their incompatibility with conventional cleaning solutions. As a result, chemical methods are often recommended as effective alternatives mechanical cleaning. Natural products have emerged promising substitutes for synthetic agents. Origanum vulgare, particular, has shown significant antifungal activity against Candida albicans. This study aims analyze effect...
Biological control of plant disease using antagonistic microorganism has been obtaining much attention and implemented for decades. One the potential microorganisms used in this strategy is chitinolytic bacteria. Utilization bacteria ranges from cell life, enzymes, genes, or other metabolites. In study, we examined ability as a biocontrol agent Fusarium wilt red chili (Capsicum annuum L.) seedlings. The to suppress was evaluated by soaking seeds bacterial isolates solution 30 minutes prior...
Klebsiella pneumoniae ESBL is the major causative organism of pneumonia, a lower respiratory tract infection that could be lethal. In 2019, pneumonia was ranked fourth-leading cause death worldwide. This study aims to investigate antibacterial activity ethanol extract Bacillus cereus MH997647 IA5, symbiont marine sponge Agelas sp. against as well identify secondary metabolites present in extract. The assessed using disc diffusion assay. subjected liquid chromatography-mass spectrometry...
Cinnamon bark has been commonly used as spicy and traditional medicine. It contains several antibacterial compounds such flavonoids, saponins, cinnamaldehyde. Several studies have done to know the effect on bacteria Streptococcus in vitro. This study aimed examine activity of cinnamon ethanol extract against its application mouthwash inhibit bacteria. The was macerated followed by extracted 80% ethanol. Bacterial samples were isolated from dental plaque patients visiting clinic drg....
Bekasam is an Indonesian fermented food made of fish. As a food, this may contain some beneficial bacteria like lactic acid (LAB), which usually have antimicrobial properties such as organic acid, hydrogen peroxide, and bacteriocin. A study on activity LAB isolated from bekasam against pathogenic has been conducted. The purpose was to know the ability crude bacteriocin produced Staphylococcus aureus ATCC 25923, Escherichia coli 25922, Salmonella sp. sample taken South Sumatera. isolation...
Abstract Nutmeg seed is an herb containing antimicrobial compounds and can be applied as on foodstuffs. This study was aimed to know of nutmeg extracting in water, methanol, ethyl acetate hexane. Assay the extract inhibit pathogenic microbes ( Staphylococcus aureus, Escherichia coli Bacillus cereus ) conducted using dilution method. Phytochemical test compounds. Minimum Inhibitor Concentration (MIC) measured minimum concentration tempeh sausage. The results showed that contained alkaloids,...
Plastic is an important material and used for many purposes. It returned to the environment as a waste which recently considered second largest solid waste. The persistency of plastic in has been attracted researchers from different point view. study degradation using bacteria isolated local landfill soil was conducted. Low density polyethylene (LDPE) tested material. Potential isolates were obtained by culturing candidates mineral salt medium broth containing LDPE powder. Two ten exhibited...
This study aims to determine the presence of bacterium Escherichia coli, Staphylococcus aureus and Salmonella sp. in carrying medicinal sold on five areas city Medan. was conducted descriptive results bacterial contamination by number 20 samples 5 herbalist different The sampling sites are Menteng area, with a total population sellers there people, Literacy area 5, Tembung 4 Sunggal 3 Sei Sekambing 3. Test at locations showed negative Total Plate Count 102 location A (Menteng), namely 3, B...
Abstract. Siregar DJS, Julianti E, Tafsin M, Suryanto D. 2022. Selection of probiotic candidate lactic acid bacteria from Hermetia illucens larvae fed with different feeding substrates. Biodiversitas 23: 6320-6326. Exploration probiotics have been accelerated unique and novel source, one which is black soldier fly (Hermetia illucens). The flies are known as omnivores commonly reared, harvested utilized to convert organic wastes into biomass yet reducing the amount abundant waste in nature....
Objective: This study was to analyze the karamunting leaf extract and fractions effectiveness against Staphylococcus aureus Pseudomonas aeruginosa infection.Methods: Phytochemical screening is done in of continue with Standard agar well diffusion method for S. P. aeruginosa. Dimethyl sulfoxide used as negative control, standard antibiotic Kalmicetine (chloramphenicol) positive control. Result: The ethyl acetate fraction showed highest antibacterial activity Conclusion: Karamunting can be...
The Bacterial blight disease caused by Xanthomonas oryzae pv. (Xoo) is one of the most important diseases and has crop failure in rice crops. This pathogen infects leaves all plant growth phases. purpose this study to investigation 10 Xoo isolates pathotype obtained from North Sumatra based on their interactions with near-isogenic lines (NIL) IRRI. results showed that there are 6 pathotypes virulence Sumatra, they are; I incompatible interaction Xa genes, II compatible Xa1 Xa3 while it other...
Abstract Keratinase is a group of protease enzymes which acts to degrade keratin. Keratin fiberous protein difficult be degraded because hydrogen and disulfide bonds. The purpose this study was isolate identify keratinase coding genes using molecular approach. object crocodile feces from Asam Kumbang farm. Bacterial isolation done by feather agar (FA) screened in skim milk agar. Keratinolytic bacteria isolates were identified molecularly with 16S rDNA specific markers. Detection gene...
Detection and measurement of radiation sources around BATAN's cyclotron facilities in Serpong are required as an early step to avoid impacts on the employees who work with cyclotron. In this paper, emitted from wall CS-30 cave detected measured using NaI(Tl) detector coupled a pocket multichannel analyzer (MCA) at counting time 30 minutes for each sampling point wall. The points were directions within ±150 o respect incoming proton beams, measurements conducted heights between 1.2 m 1.8 off...
57 Ni and Co radioisotpes are used in the synthesis of radiopharmaceuticals, for research purposes, as well radiotherapy nuclear medicine due to its decay characteristics. In this research, were produced using secondary neutrons. The neutrons employed investigation generated by bombarding 11 MeV protons into a target system consisting Havar Ò foil vacuum window, aluminum an energy degrader, tube holder nickel via (p,n), (n,n) (n,2n) reactions. TALYS-calculated data understand origin...
Abstract Research on Modified Cassava Flour (MOCAF) content in three cassava genotypes has been carried out at Laboratorium Sekolah Tinggi Penyuluh Pertanian, Jl. Binjai Km 10 Medan November 2014. The research objective was to determine the MOCAF yield produced based North Sumatra. Two and one variety of were used as samples, Adira-1 (V1) variety, Malaysia (V2) Merah/Gondoruwo (V3) genotypes. Fermentation using BIMO-CF starter with 24 hours soaking time. results showed that...
Milkfish (Chanos chanos) is an important economic fish that cultured in brackish water ponds. relatively resistant to diseases may be caused by associated gut bacteria improve health and prevent from disease. In the of milkfish was screened obtain potential probiotic developed as probiotic. Some morphological observation such shape color cell biochemical test starch, casein hidrolysis were conducted. Antagonistic isolate done Aeromonas hydrophila. This study conducted June September 2017...