• Journal of radiological science and technology
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• v.31 no.4
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• pp.329-335
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• 2008

Distribution of microorganisms were examined for the bucky tables in the radiology rooms of the department of radiological technology, the aprons, handles of various apparatus, handles of mobile radiological apparatus, and hands of the radiological technologists. As a result, relatively larger amounts of bacteria were found on the handles of the mobile radiological apparatus and the aprons. Among the isolated bacteria, Acinetobacter baumanni (7.3%), Klebsiella pneumoniae (6.7%), Staphylococcus aureus (3.9%), Serratia liquefaciens (1.7%), Enterobacter cloaceae (0.6%), Providenica rettgeri (0.6%) are known as the cause of nosocomial infection (hospital acquired infection). In addition, similar colonies were also found on the hands of the radiological technologists such as microorganisms of Klebsiella pneumoniae (8.4%), Staphylococcus aureus (6.6%), Yersinia enterocolotica (5.4%), Acinetobacter baumanni (4.2%), Enterobacter cloaceae (2.4%), Serratia liquefaciens (1.8%), Yersinia pseuotuberculosis (18%), Enterobacter sakazakii (1.2%), and Escherichia coli (0.6%). In particular, this result indicates clinical significance since Staphylococcus aureus and Escherichia coli show strong pathogenicity. Therefore, a continuous education is essential for the radiological technologists to prevent the nosocomial infection.

• Food Science of Animal Resources
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• v.29 no.4
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• pp.533-538
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• 2009

To suggest an improved diagnostic method for Salmonella spp., analyses were conducted with immunoliposomes and compared with the results from a commercial test kit. One sample out of 36 samples of eggshell was Salmonella-positive via immunoliposomes. In the case of the use of the commercial test kit, six samples out of 36 samples were Salmonellapositive. These Salmonella-positive samples were subjected to biochemical identification tests that confirmed that they were Salmonella-negative. As for the egg content samples, they were Salmonella-negative in both analyses with immunoliposomes and the commercial test kit. The Salmonella analysis with immunoliposomes reduced detection time, by 24 h compared to the commercial test kit. Bacteria, including Acinetobacter baumanni, Chryseomonas luteola, Enterobacter cloacae, Escherichia coli, Escherichia hermannii, Klebsiella pneumonia, Pantoea spp., and Pasteurella pneumotropica, were isolated from the eggshells. Other than Acinetobacter baumanni and Pasteurella pneumotropica most of the isolates were known to frequently appear during egg production processing.

• Biomedical Science Letters
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• v.14 no.4
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• pp.257-261
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• 2008

Cellular phones are the most used electronic device everyday in modern life and are always in contact with our hands, Although many studies have revealed microorganisms living on our hands, there are only a few reports on the research about products or places which are in contact with our hands. Therefore, the purpose of this study is to verify microorganisms living in cellular phones. Microorganisms were scraped from cellular phones of students and professors from the clinical laboratory science department in Daegu Health College, and cultured at Brain Heart Infusion agar and MacConkey agar following API kit to identify them. The average colony number was $1.5{\times}10^2$ on BHI agar and $40{\times}10$ on MacConkey agar. There was no difference according to gender. In Gram stain result, Gram(+) Cocci showed the highest frequency. Also in BHI agar plates, Micrococcus spp and Acinetobacter baumannii identified with high frequency. Moreover, S. aureus, which is very well known as strong food poisoning bacteria, was isolated. Klebsiella pneumonia ssp pneumonia was isolated with the highest frequency from the MacConkey agar or S-S agar plate. From these results show, there are as many different microorganisms from cellular phones as from our hands. This is the first report isolating strong food poisoning bacteria in cellular phones. Since infection in hospitals have been an important issue to be aware of, it is equally necessary to investigate cell phones and products which hospital workers touch with their hands.