Judul: Parasit Dalam Sel Darah Merah Musang Luak (Paradoxurus hermaphroditus) di Jawa
Abstrak: This research was conducted to observe the infection of intraerythrocytic parasite of Java common palm civet (Paradoxurus hermaphroditus). Blood sample was collected for four times during 7 weeks. The first blood sample was collected immediately after the common palm civet just arrived from its natural habitat, and then adapted for 30 days before the next blood sampling were taken every week. The results of this study found that the common palm civet was infected by Babesia sp., Theileria sp., and Anaplasma sp. The infection rate from the highest is Anaplasma sp. (0.35 ± 0.05) %, Theileria sp. (0.12 ± 0.05) %, and Babesia sp. (0.03 ± 0.02) % respectively. The mean percentage of Babesia sp. and Anaplasma sp. decreased during the study, while percentage of Theileria sp. increased until the end of study. The sex of common palm civet did not affect the infestation of intraerythrocytic parasites.
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Judul: Studi kasus infeksi parasit intraseluler darah merah pada kerbau lumpur (Bubalus bubalis) dari kecamatan Tenjolaya, Kabupaten Bogor, Jawa Barat.
Abstrak: This study was conducted to observe the infection of intraerythrocytic parasit. There were a total 64 blood sample of four buffaloes from Tenjolaya, Bogor, West Java. Sample was collected twice a week. Thin blood smear on glass slide were made, fixed in methanol,stained with Giemsa 10%. The parasitemia (percent of infected RBCs) was determined by enumerating the number of infected RBCs in relation to the number of 500 uninfected RBCs. Microscopic examination revealed the occurance of Babesia, Theileria and Anaplasma in RBC. Parasitemia in those bufallo were 0.00625 ± 0.009 % for Babesia, 0.058 ± 0.032% for Theileria and 0.230 ± 0.045 % for Anaplasma. Those low infected buffaloes had potential to become carrier and source of Babesiosis, Theileriosis and Anaplasmosis for naive population around.
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Judul: Sintesis Nanorod Seng Oksida (ZnO) dengan Metode Sonokimia
Abstrak: Gelombang ultrasonik telah digunakan untuk membantu sintesis ZnO. ZnO terbentuk dari campuran ZnAc dan NaOH. ZnO disintesis dengan variasi konsentrasi ZnAc 0.5 M ( ZnO 1:1 ) dan 1.5 M ( ZnO 3:1 ) yang dicampurkan dengan NaOH konsentrasi 0.5 M. Sampel yang diporoleh dikarakterisasi dengan XRD dan SEM. Karakterisasi difraksi sinar-X menunjukkan bahwa struktur kristal ZnO yang dihasilkan merupakan heksagonal dengan pertumbuhan yang dominan pada orientasi bidang nonpolar a dengan indeks hkl 101. Kristalinitas dan kemurnian kristal ZnO 1:1 lebih baik dibandingkan ZnO 3:1 ditunjukan dengan intensitas puncak difraksi sinar-X yang lebih tinggi, sempit dan tajam. Untuk ukuran kristalit ZnO 1:1 mempunyai rata-rata ukuran kristalit 30.57 ± 4.31 nm sedangkan ZnO 3:1 mempunyai ukuran rata-rata 20.25 ± 7.12 nm. Dari ukuran kristal yang terbentuk partikel ZnO termasuk nanokristal. ZnO 1:1 terbentuk batang-batang nano (nanorods) sedangkan pada ZnO 3:1 tidak terbentuk batang-batang nano (nanorods). Untuk ukuran morfologi, ZnO 1:1 mempunyai rata-rata ukuran butiran kristal 230 nm dan lebih besar dibandingkan ukuran ZnO 3:1 yang mempunyai rata-rata ukuran butiran kristal 50 nm.
Keyword: nanorot, sintesis, sonokimia, ZnO