Judul: Peran Iklan Televisi Layanan Masyarakat sebagai Penyebar Perubahan Tatacara Pemilu Legislatif dengan Pengetahuan Pemirsa (Kasus: Masyarakat Desa Cihideung Ilir, Ciampea Bogor)
Abstrak: The objectives of this study were to analyze the role of public service advertising on television to socialize the change of choosing method in Legislative Election 2009, to analyze spectator’s knowledge about the change of choosing method in Legislative Election 2009 and to analyze the correlation between role of public service advertising on television and spectator’s knowledge. This research was conducted at Cihideung Ilir Village, Ciampea, Bogor, West Java, using survey on 98 people from Cihideung Ilir. The respondents were selected using a simple random sampling method. Data were collected and analyzed using chi square’s test and rank Spearman’s test. The results of this research showed that the role of public service advertising in television to socialize the change of choosing method in Legislative Election 2009 was in medium level. Then, spectator’s knowledge about the change of choosing method in Legislative Election 2009 was in medium level. Last, the results said that there were significant correlation between role of public service advertising on television and spectator’s knowledge.
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Judul: Penilaian pemilih pemula terhadap iklan layanan masyarakat pemilu legislatif 2014 (studi kasus: SMA Negeri 1 Dramaga, Bogor, Jawa Barat)
Abstrak: Penelitian ini bertujuan untuk mendeskripsikan penilaian iklan layanan masyarakat di berbagai media serta menganalisis hubungan antara karakteristik individu dan lingkungan dengan penilaian iklan layanan masyarakat. Penelitian ini melibatkan 50 siswa yang merupakan pemilih pemula pada pemilu legislatif 2014 dengan menggunakan pendekatan kuantitatif. Pada media televisi, terdapat hubungan signifikan antara domisili, keaktifan organisasi, prestasi akademik dan keterpaan media informasi dengan penilaian iklan layanan masyarakat. Sementara, pada media poster terdapat hubungan nyata antara domisili, prestasi akademik dan keterpaan media informasi dengan penilaian iklan layanan masyarakat. Dan pada media youtube terdapat hubungan nyata antara keaktifan organisasi, prestasi akademik dan keterpaan media informasi dengan penilaian iklan layanan masyarakat., This study is aimed to describe the appraisal of public service announcements in various media and to analyze the relationship between individual characteristics and environment and appraisal of public service advertisements. This study involved 50 students who are first-time voters in the 2014 legislative elections with a quantitative approach. On television, there is a significant corelated among residency, active organizations, academic achievement and frequency to access media information with the appraisal of public service advertisements. Meanwhile, in the Poster there is a real connection between the residency, academic achievement and frequency to access media information with the appraisal of public service announcements. And on Youtube, the real relationship exists among the activity of the organization, academic achievement and keterpaan information media with the appraisal of public service announcements.
Keyword: Iklan layanan masyarakat, penilaian iklan, media komunikasi massa, televisi, poster, youtube

Judul: Hydroxyapatite-Chitosan Composite Coating on Stainless Steel 316 to Improve Corrosion Resistance
Abstrak: Metals that were used in bone implantation should have good corrosion resistance that were not easily corroded when implanted into the body. Metal corrosion resistance of stainless steel 316 can be enhanced through the metal coating by hydroxyapatite-chitosan composite with composition ratio of hydroxyapatite (gram) and chitosan 3% (mL) 0.2:0, 0.2:0.1, 0.2:0.5, 0.2:1.0, and 0.2:1.5. Besides improving the corrosion resistance of metal, the presence of chitosan also maintain the position of hydroxyapatite on metal surfaces. Corrosion resistance increases with increasing amount of chitosan added and the best composition of hydroxyapatite-chitosan composite was 0.2:1.0.
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