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VERIFIKASI PENGUKURAN RADIOAKTIVITAS 153Sm MENGGUNAKAN DOSE CALIBRATOR MULTITIPE Pertiwi, Ligwina Dita; Maskur, Maskur; Yanto, Yanto; Fairusya, Nuha; Ekaningsih, Nuri Jannati Wahyu
Urania : Jurnal Ilmiah Daur Bahan Bakar Nuklir Vol 29, No 2 (2023): OKTOBER, 2023
Publisher : website

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/urania.2023.29.2.6836

Abstract

Verifikasi pengukuran dilakukan untuk menjaga validitas data hasil pengukuran. Pada penelitian ini telah dilakukan verifikasi pengukuran radioaktivitas 153Sm menggunakan alat dose calibrator dengan lima tipe yang berbeda, yaitu dose calibrator Atomlab 100, Atomlab 300, Atomlab 400, Atomlab 500, dan Capintec CRC-tr5. Parameter verifikasi meliputi akurasi, presisi, kelinieran, Limit of Detection (LOD), dan Limit of Quantification (LOQ). Pada pengujian akurasi, alat dose calibrator Atomlab 300 ditetapkan sebagai alat standar untuk menguji akurasi hasil pengukuran alat yang lain. Hasil verifikasi menunjukkan bahwa semua alat ukur memiliki error akurasi kurang dari 3%, namun setelah dilakukan uji t, ternyata hanya dose calibrator Atomlab 400 yang nilai thitung kurang dari ttabel, sedangkan Atomlab 100, Atomlab 500, dan Capintec CRC-tr5 thitung lebih besar daripada ttabel. Pada uji presisi diperoleh hasil bahwa kelima tipe alat dose calibrator memiliki presisi yang baik. Kelima alat tersebut memiliki nilai kelinieran yang baik untuk pengukuran Sm-153 radioaktivitas 20-140 mCi. Nilai LOQ dose calibrator Atomlab 100 = 8,48 µCi, Atomlab 300 = 5,08 µCi, Atomlab 400 = 8,66 µCi, Atomlab 500 = 8,78 µCi, dan Capintec CRC-tr5 = 7,23 µCi. Nilai LOD Dose calibrator Atomlab 100 = 2,54 µCi, Atomlab 300 = 1,52 µCi, Atomlab 400 = 2,59 µCi, Atomlab 500 = 2,64 µCi, dan Capintec CRC-tr5 = 2,17 µCi. Hal ini menunjukkan bahwa kelima alat tersebut memiliki validitas pengukuran yang baik dengan kepercayaan pengukuran 95%, namun untuk Atomlab 100, 500, dan Capintec CRC-tr5 hasil pengukurannya perlu dikalikan faktor koreksi.Kata kunci: Dose calibrator, verifikasi, radioaktivitas, 153Sm 
Detection of Very Virulent Infectious Bursal Disease (IBD) in Chicken in West Java Putri, Ajeng Fabeana; Winarsongko, Agus; Hoerudin, Heri; sekarmila, Gita; Ahpas, Ahpas; Jaelani, Jejen; Gunawan, Wawan; Dewiyanti, Rina; Pratama, Yuda; Nuradji, Harimurti; Fairusya, Nuha; Ekawasti, Fitrine; Adji, Rahmat Setya; Dharmayanti, NLP Indi; Indriani, Risa; Utomo, Bambang Ngaji; Suryatmiati, Sri
Jurnal Medika Veterinaria Vol 18, No 1 (2024): J.Med.Vet.
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21157/j.med.vet..v18i1.35819

Abstract

Infectious Bursal Disease (IBD), also known as Gumboro disease, is an acute, highly contagious disease that infects chickens and causes a high mortality rate of up to 100% in young animals. The disease is caused by Infectious Bursal Disease Virus (IBDV) of the genus Avibirnavirus, family Birnaviridae. The disease has been reported in Indonesia since 1976, and management strategies for the disease, such as vaccination, have been applied to prevent and control outbreaks in poultry farms. In this study, we conducted the detection of the disease in chickens from a farm in West Java with a mortality rate of 80%. Chickens showing clinical signs, such as sudden death, anorexia, watery diarrhea, and ruffled feathers, were necropsied, and organ samples, including the bursa Fabricius, brain, and spleen, were collected. The samples were then tested using Reverse-Transcriptase Polymerase Chain Reaction (RT-PCR) to confirm the diagnosis of IBD. Positive results were obtained in this study, highlighting the need for improved biosecurity in poultry farms in Indonesia. These results also provided a basis for further research on viral characterization to develop detection kits or vaccines for IBD using local isolates from the field in Indonesia.