Gi Won Kim

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Volatile organic compounds (VOCs) can be easily taken up by humans, leading to various diseases, such as respiratory system and central nervous system disorders. Environmental risk assessment is generally conducted using traditional tests, which may be time-consuming and technically challenging. Therefore, analysis of the effects of VOCs, such as toluene,(More)
Locked nucleic acid (LNA) is a modified RNA nucleotide that can be incorporated at specific positions to generate probes with the desired length, melting temperature (TM), and specificity. Here, we describe a method of multiplex genotyping based on dramatic shifts in the TM of a single dual-labeled LNA probe. Using this method, two varieties of the hairtail(More)
Previous fluorescence melting curve analysis (FMCA) used intercalating dyes, and this method has restricted application. Therefore, FMCA methods such as probe-based FMCA and molecular beacons were studied. However, the usual dual-labeled probes do not possess adequate fluorescence quenching ability and sufficient specificity, and molecular beacons with the(More)
The emission of volatile organic compounds (VOCs) resulting from outdoor air pollution can contribute to major public health problems. However, there has been limited research on the health effects in humans from the inhalation of VOCs. Therefore, this study conducted an in vivo analysis of the effects of toluene, one of the most commonly used chemicals in(More)
Velvet antlers are used medicinally in Asia and possess various therapeutic effects. Prices are set according to the country of origin, which is unidentifiable to the naked eye, and therefore counterfeiting is prevalent. Additionally, antlers of the Canadian elk, which can generate chronic wasting disease, are prevalently smuggled and distributed in the(More)
Peptide nucleic acid (PNA) is an artificially synthesized polymer. PNA oligomers show greater specificity in binding to complementary DNAs. Using this PNA, fluorescence melting curve analysis (FMCA) for dual detection was established. Genomic DNA of Mycoplasma fermentans and Mycoplasma hyorhinis was used as a template DNA model. By using one PNA probe, M.(More)
Differentiating 1-bp differences using real-time PCR often leads to false-positive results. Therefore, we developed a fluorescence melting curve analysis (FMCA) method with a short target probe and helper probe labeled with a fluorophore and quencher, respectively. This fluorophore and quencher were designed to be near each other when the probes were(More)
Mackerel is marketed at prices according to the species type, Scomber japonicus and Scomber scombrus. Distinguishing these two species with the naked eye is difficult, and their differentiation becomes more difficult after they are processed by cooking, thereby leading to counterfeiting issues. Thus, in this study, we developed a method to differentiate S.(More)
Xylene is volatile organic compound that has been reported to increase the incidence of cancer and various diseases related to the immune system, cardiovascular systems, respiratory and reproductive organs. However, there are currently few biomarkers in human cases. Using microarray, we analysed 10 participants for the xylene-exposure group and 10 controls(More)
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