Perbedaan Jumlah Koloni Bakteri Staphylococcus Aureus Pada Media Plate Count Agar Dengan Variasi Ph 6, 7 Dan 8

Meiliana, Rida (2019) Perbedaan Jumlah Koloni Bakteri Staphylococcus Aureus Pada Media Plate Count Agar Dengan Variasi Ph 6, 7 Dan 8. Undergraduate thesis, Universitas Katolik Musi Charitas.

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Abstract

Background: The bacteria that often cause infection are Staphylococcus aureus bacteria. Laboratory examination is conducted to determine the type of microorganism using culture or regrow techniques. The media used to regrow the microorganism are Plate Count Agar (PCA). Some hospitals and laboratory practices do not dop H measurements when preparing the culture media. However, the influence of pH interferes with the bacterial growth in establishing a diagnosis of the disease. Method: This research is a true experiment with the Posttest control study design. This research was conducted at the Microbiology Laboratory of the Musi Charitas Catholic University of Medical Science Palembang. The inoculum culture media of Staphylococcus aureus is adjusted to the MacFarland standard of 0.05 then diluting to 102. Inoculation culture media is then adjusted at pH 6, 7, and 8 and incubated at 37oC. After 24 hours, the colony numbers of Staphylococcus aureus are calculated. The obtained data is then analyzed using the Repeated Anova Test. Result: The average colony numbers of Staphylococcus aureus grown on Plate Count Agar at pH 6, 7, and 8 are 59 CFU/L, 69 CFU/L, and 60 CFU/L, respectively. The statistical analysis using the Repeated Anova Test obtains p values of 0.000 with a significant two-way level (=0.05), resulting in p-value <. Conclusion: There is a significant difference in the numbers of Staphylococcus aureuscolonies in Plate Count Agar Media with the different pH of culture media in pH 6, 7, and 8.

Item Type: Thesis (Undergraduate)
Additional Information: Skripsi lengkap dapat dibaca di Ruang Referensi Perpustakaan UKMC Kampus Burlian
Uncontrolled Keywords: Keywords: Plate Count Agar, pH 6, pH 7, pH 8, Staphylococcus aureus
Subjects: Q Science > QD Chemistry
T Technology > TP Chemical technology
Divisions: Undergraduate Theses - D3/D4 > Medical Laboratory Technology Diploma Study Program
Depositing User: Perpustakaan Unika Musi Charitas
Date Deposited: 16 May 2020 03:53
Last Modified: 16 May 2020 03:53
URI: http://eprints.ukmc.ac.id/id/eprint/3631

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