Judul: Incidence Salmonella spp.in chicken meat sold at the markets in West Jakarta
Abstrak: This research was aimed to know the existence of Salmonella spp. in chicken meat, handling implementation of chicken meat and water utilized in supermarkets and traditional markets of West Jakarta .. A sum of 300 samples consist of 200 samples of 20 supermarkets (80 samples of chicken meat, 100 samples of swab and 20 samples of water) while 100 samples from 10 traditional markets (40 samples chicken meat, 40 samples swab and 20 samples of water) were tested on the existence of Salmonella spp. SNI 19-2897-1992, method of identification. The testing product indicated that 19 (23,75%) samples from 80 chicken meat samples taken from supermarkets were contaminatied by Salmonella spp,.while in traditional market were negative from Salmonella spp .. Observation against sanitation and hygiene factors of supermarket was done with interviews and filling questionairies. Datas from this observation were analyzed by testing of chi-square to know the association of the factors sanitation and hygiene and contamination of Salmonella spp. of chicken meat. The test result showed that there were significant association between sanitation and hygiene factors with the presence of Salmonella spp. in chicken meat at supermarkets.
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Judul: Keberadaan Salmonella pada Daging Ayam yang Dijual di Pasar Tradisional di Kota Tangerang Selatan
Abstrak: This study was aimed to observe the presence of Salmonella in chicken meat sold in traditional markets in South Tangerang City. This research was conducted with survey method by interview the vendors of chicken meat as respondents, observation of markets condition using check-list, and sampling the chicken meat for Salmonella test. Total of 24 chicken meat samples was taken from three traditional markets, i.e., Modern Market, Bukit Market, and Jombang Market. The presence of Salmonella was performed using the isolation and identification test based on the Indonesian National Standard Number 2897:2008. The study showed that the Modern Market had the best criteria on the hygiene aspects compared to the other markets. The presence of Salmonella in chicken meat samples was 33.3% from Jombang Market (1 of 3 samples), 18.2% from Bukit Market (2 of 11 samples), and 10% from Modern Market (1 of 10 samples), with the total percentage of 16.7% (4 of 24 samples). The presence of Salmonella in chicken meat is associated with bad personal hygiene practices and the lack of cold chain from slaughterhouses to the markets. This condition requires attention from the government since Salmonella is the important foodborne pathogen that can threat the public health
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Judul: Pembuatan Film Tipis Lithium Niobat (LiNbO3) Menggunakan Metode Chemical Solution Deposition (CSD) dengan Variasi Kecepatan Putar (Rpm).
Abstrak: Film tipis merupakan salah satu aspek yang mendapat perhatian sangat besar dalam bidang material, karena film tipis merupakan material menarik yang memiliki sifat optik yang sangat tergantung pada konstanta dielektrik, indeks bias, dan energi gap. Lithium Niobat (LiNbO3 ) dapat digunakan sebagai pelapis pada film tipis karena memiliki sifat piezoelektrik, electrooptical, pyroelectrical dan photorefractive yang sangat baik. Film tipis Lithium Niobat (LiNbO3 ) ditumbuhkan menggunakan metode Chemical Solution Deposition (CSD) dengan variasi kecepatan 3500 rpm, 5000 rpm, 6500 rpm, dan 8000 rpm. Metode ini memiliki keunggulan dapat mengontrol stokiometri film tipis dengan kualitas yang baik, prosedur yang mudah dan membutukan biaya yang relatif murah. Energi band gap yang dihasilkan dari film tipis Lithium Niobat (LiNbO3) berkisar antara rentang 2.1 eV – 2.8 eV dengan indeks bias berada pada rentang 2.18-3.2. Film tipis LiNbO3 memiliki parameter kisi a=b=5.54Ǻ dan c = 16.35 Ǻ. Struktur morfologi film tipis adalah permukaan yang homogen dan ukuran kristal berada pada rentang 0.417 μm – 0.680 μm.
Keyword: sifat optik, litium niobat, chemical solution deposition, kecepatan putar