Rosyada, Putri Sofiana (2017) Pengaruh lama pemaparan sinar gamma terhadap jumlah koloni dan kadar protein bakteri Shigella flexneri. Undergraduate thesis, Universitas Islam Negeri Maulana Malik Ibrahim.
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Abstract
INDONESIA:
Diare adalah salah satu penyakit tertinggi yang dialami penduduk dalam hasil survei kesehatan Kemeskes. Bakteri Shigella flexneri merupakan penyebab infeksi diare yang dominan. Penelitian ini bertujuan untuk mengetahui pengaruh lama pemaparan sinar gamma terhadap jumlah koloni dan kadar protein bakteri Shigella flexneri. Metode yang digunakan adalah dengan menonaktifkan bakteri Shigella flexneri menggunakan pemaparan iradiasi sinar gamma. Variasi waktu lama pemaparan yang digunakan diantaranya kontrol atau 0 menit, 30 menit, 60 menit, 90 menit, 120 menit dan 150 menit. Perhitungan jumlah koloni hasil iradiasi diukur dengan menggunakan metode pour plate. Sedangkan perhitungan kadar protein hasil iradiasi diukur dengan menggunakan metode Lowry. Jumlah koloni terendah terdapat pada lama pemaparan 90 menit dengan nilai 15 x 107 sel/ml, sehingga memungkinkan untuk digunakan sebagai bahan vaksin dengan nilai viabilitas di bawah 50%. Pemaparan sinar gamma pada bakteri menunjukkan adanya pengaruh perbedaan konsentrasi kadar protein sampel. Konsentrasi kadar protein tertinggi terdapat pada lama pemaparan 90 menit yaitu 52,19 mg/ml. Sedangkan konsentrasi kadar protein terendah terdapat pada lama pemaparan 30 menit yaitu 37.82 mg/ml.
ENGLISH:
Diarrhea is one of the highest diseases experienced by the population in Kemenkes’s health survey results. The Shigella flexneri bacterium infection is the dominant cause of diarrhea. This research aimed to know the influence of the long of the gamma ray exposure toward the number of bacterial colonies and Shigella flexneri protein degrees. The method used was inactivating the Shigella flexneri bacterium using gamma ray irradiation exposure. The long time exposure variations that were used included the control or 0 minutes, 30 minutes, 60 minutes, 90 minutes, 120 minutes and 150 minutes. The number of irradiation results colonies calculation was measured using the pour plate method. Whereas the calculation of the irradiation results protein was measured by using the Lowry method. The lowest numbers of colonies presented on the long exposure 90 minutes with a value of 15 x 107 cells/ml, so it was enable to be used as a vaccine with a viability value below 50%. In addition the gamma ray exposure on bacteria showed an influence of the protein degrees concentration difference sample. The highest protein degrees concentration was presented on the long exposure 90 minutes i.e. 52.19 mg/ml. Whereas, the lowest protein degrees concentration was presented on the long exposure of 30 minutes i.e. 37.82 mg/ml.
Item Type: | Thesis (Undergraduate) | |||||||||
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Supervisor: | Fitrianingsih, Avin Ainur and Bashith, Abdul | |||||||||
Contributors: |
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Keywords: | Sinar gamma; Koloni bakteri; Viabilitas; Kadar Protein; Shigella flexneri; Gamma ray; Number of colonies; Viability; Protein Levels | |||||||||
Departement: | Fakultas Sains dan Teknologi > Jurusan Fisika | |||||||||
Depositing User: | Zuhria Sulkha Amalia | |||||||||
Date Deposited: | 29 Jun 2018 13:46 | |||||||||
Last Modified: | 29 Jun 2018 13:46 | |||||||||
URI: | http://etheses.uin-malang.ac.id/id/eprint/11490 |
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