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INDONESIA
Chimica et Natura Acta
Published by Universitas Padjadjaran
ISSN : 23550864     EISSN : 25412574     DOI : -
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Environmental Science Materials Science & Nanotechnology
Chimica et Natura Acta diterbitkan oleh Departemen Kimia, FMIPA, Universitas Padjadjaran tiga kali setiap tahun pada bulan April, Agustus dan Desember. Artikel yang dimuat mencakup Kimia Analisis dan Pemisahan, Kimia Material, Kimia Energi dan Lingkungan, Kimia Organik Bahan Alam dan Sintesis, Biomolekular Pangan dan Kesehatan serta topik-topik lain yang berhubungan dengan ilmu Kimia.
Arjuna Subject : -
Articles 12 Documents
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Search results for , issue "Vol 2, No 3 (2014)" : 12 Documents clear
DILEMA ANTARA HOBI DAN BISNIS PERDAGANGAN BURUNG SERTA KONSERVASI BURUNG Johan Iskandar
Chimica et Natura Acta Vol 2, No 3 (2014)
Publisher : Departemen Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (170.834 KB) | DOI: 10.24198/cna.v2.n3.9165

Abstract

Paper discusses result of study on the development of hobby on bird keeping, bird song contest, bird trade business, and conservation strategy for bird sustainable use, based on case study undertaken in the Bandung urban and surrounding areas. The combination of qualitative and quantitative method with descriptive analysis was used in this study. The result of study shows that based on direct inventory it was recorded 96 bird species of 24 families which were being kept by thirty respondents. Among the total species, 29 species and races were recorded as dominant, namely anis merah (Zoothera citrina), murai batu (Copsychus malabaricus), ciblek (Prinia familiaris), several races of kenari (Serinus canarinus), several races of lovebird (Agapornis spp), bentet/toed (Lanius schach), several races of pleci/burung kacamata (Zosterops palpebrosa), robin (Leothrix sp), and perkutut (Geopelia striata). Nowadays, the hobby of bird keeping in the cages has tended to increase caused of development of regular song bird contest in the local, regional and national level. Based on this study, it was recorded that fiveteen bird species have commonly entertained in the local song bird contests by the bird lovers in Bandung urban and surrounding areas. Development of the increasing bird keeping hobby and song bird contests have tended to develop bird trading in the urban bird markets and increasing bird hunting in the villages. Therefore, the activity of bird keeping hobby, song bird contests, and bird trading have been dilemma. On the one hand, these activities have provided some benefits. For example, it has developed the bird trading business and bird captive breeding undertaken by the bird lover communities and providing some economic benefits. On the other hands, these activities have affected to dramatically bird population decrease in nature due to increasing bird hunting in villages. Even some rare birds have high risk to be decrease and maybe disappear in some village areas in the near future. Therefore, to sustainable utilize bird species for fulfilling the hobby of bird keeping, bird contests and bird trading purpose; the conservation effort based on community participation is essentially needed.
SINTESIS DAN KARAKTERISASI SENYAWA 3,3’-BENZILIDENA BIS- 4 – HIDROKSI KUMARIN UNTUK SEDIAAN RADIOTERAPI Duyeh Setiawan; Diana Rakhmawaty
Chimica et Natura Acta Vol 2, No 3 (2014)
Publisher : Departemen Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (600.391 KB) | DOI: 10.24198/cna.v2.n3.9161

Abstract

Penelitian yang sedang dikembangkan saat ini adalah senyawa kimia yang memiliki aktivitas biologis anti kanker, salah satunya adalah senyawa turunan kumarin yaitu 3,3’-benzilidena bis-4-hidroksikumarin. Senyawa kumarin dapat membentuk kompleks stabil dengan ion logam valensi tiga yang bersifat radioisotop untuk meningkatkan aktivitas biologinya terhadap anti kanker. Penelitian ini bertujuan melakukan sintesis dan karakterisasi kumarin sebagai ligan untuk disiapkan dalam pembuatan senyawa kompleks kumarin bertanda radioisotop untuk sediaan radioterapi. Senyawa kumarin disintesis dengan cara mereaksikan benzaldehid dan 4-hidroksikumarin melalui reaksi kondensasi. Karakterisasi senyawa kumarin meliputi penentuan titik leleh, FTIR, 1H-NMR, 13C-NMR. Hasil karakterisasi kumarin diperoleh dalam bentuk kristal berwarna putih sebanyak 5,79 g dan rendemen 56,34 %, mudak larut dalam aseton, mempunyai titik leleh 233 °C. Hasil penelitian diharapkan dapat digunakan dalam pembuatan sediaan radiofarmaka alternatif untuk terapi kanker.

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