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All Journal Indonesian Journal of Animal Agricultural Science (IJAAS)
Ida Usman
Halu Oleo University
Agriculture, Biological Sciences & Forestry

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Structural analysis of CdO thin films prepared by PCI method with varied concentrations of solution Ida Usman; Waode Sukmawati Arsyad; La Ode Kadidae
Indonesian Journal Of Animal Agricultural Science (IJAAS) Vol 5, No 2 (2023): Indonesian Journal of Animal Agricultural Science (IJAAS)
Publisher : Pascasarjana Universitas Sulawesi Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/ijaas.v5i2.42367

Abstract

Research about CdO thin film deposition has been conducted using the chemical immersion technique. The deposition process was conducted by immersing the glass substrate into the solution couple of cadmium acetate dehydrate (Cd(CH3COO)2.2H2O) by flitting with sodium hydroxide (NaOH). The solutions' concentrations were varied to investigate the influence of the concentration ratio of both solutions on the characteristic of resulted in CdO film. To strengthen the atomic bonding and discharge the rest of the water content, the resulting films were then heated in the furnace at 225 oC. Based on the measurement result of SEM-EDX, the Cd mass percentage in CdO thin films is quantitatively dependent on the concentration of cadmium acetate dehydrate solution. Also, the results of optical band gap determinations show that the increasing ratio of Cd to O content was a tendency in linear relation with the stricture of its optical band gap.
The Identification of Physical-Chemical Properties to Detect Bacterial Contamination in Chicken Meat from Local Markets in Kendari, Southeast Sulawesi, Indonesia Yamin Yaddi; Ida Usman; Deki Zulkarnain; Achmad Selamet Aku; La Ode Sahaba; La Ode Muh. Munadi; Restu Libriani; Fitrianingsih Fitrianingsih
Indonesian Journal Of Animal Agricultural Science (IJAAS) Vol 5, No 3 (2023): Indonesian Journal of Animal Agricultural Science (IJAAS)
Publisher : Pascasarjana Universitas Sulawesi Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/ijaas.v5i3.45277

Abstract

The absence of microbial contamination is one requirement for the viability of using chicken meat as a feed ingredient. Many microbes that are implicated as food pollutants come from bacterial families. This study aimed to identify and characterize contaminating bacteria in chicken meat processed at the local market's chicken slaughterhouse in Kendari. In this study, both descriptive and experimental methods were applied. Differentially selective mediums for Gram-negative bacteria were used for bacterial isolation. Bacteria were identified using the Eosin methylene blue agar (EMBA) medium, which can ferment lactose and sucrose. The presence of bacteria was confirmed macroscopically using biochemical characteristics and microscopically using Gram stain staining. The ability of bacteria to ferment glucose, sucrose, and lactose and their ability to produce gas and H2S were identified based on their physicalchemical properties through the Triple Sugar Iron Agar (TSIA) test. The results showed that 96% of the examined samples were microbially contaminated. The various types of infecting bacteria included 52% of Pseudomonas sp., 68% of Salmonella sp., and 36% of Escherichia coli. Poor hygiene practices are the main cause of contamination in chicken meat during production. The local market in Kendari sells chicken meat that does not fulfill food safety criteria, especially given bacterial infection.
Co-Authors Achmad Selamet Aku Deki Zulkarnain Fitrianingsih Fitrianingsih La Ode Kadidae La Ode Muhamad Munadi La Ode Sahaba Restu Libriani Waode Sukmawati Arsyad Yamin Yaddi