• Title/Summary/Keyword: Myung Mi Kim

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A Study on DC-DC Converter for The LED Lighting (LED 조명용 DC-DC 컨버터에 관한 연구)

  • Lee Woo-Hee;Lee Mi-Young;Lee Jun-Ha;Lee Hoong-Joo;Kim Seok-Jong
    • Proceedings of the KAIS Fall Conference
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    • 2004.11a
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    • pp.145-147
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    • 2004
  • LED(light emitting diode)는 처리속도, 전력소모, 수명 등에서 큰 장점이 있기 때문에 첨단조명의 광원으로 각광받고 있다. LED는 전원의 변동에 따라 광출력이 변동되므로 일정한 전압, 전류를 유지하는 기술이 필요하다. 따라서 본 논문에서는 LED 조명의 안정된 동작을 위한 전원장치로서 일정한 전압과 전류를 유지해주는 PWM(pulse width modulation) 궤환제어 방식의 부스트 컨버터를 제안하였다.

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A Case Report of an Insomnia Patient Treated with Gamiguibi-tang (加味歸脾湯으로 호전된 불면 환자 치험 1례)

  • Kim, Geun-yeob;Park, Jong-il;Ko, Heung;Kim, Ki-tae;Shin, Son-mi
    • The Journal of Internal Korean Medicine
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    • v.37 no.5
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    • pp.822-830
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    • 2016
  • Objective: To report the effect of Gamiguibi-tang (加味歸脾湯) as a treatment for insomnia. Methods: An insomnia patient who scored 27 points for her insomnia severity index was enrolled in this study. She received oriental treatment with herbal medication (Gamiguibi-tang), acupuncture, and moxibustion for 1 month. Results: After treatment, sleep duration and sleep quality were improved. After the patient had taken Gamiguibi-tang, her score for the Pittsburgh Sleep Quality Index (PSQI) decreased from 21 to 9, and associated symptoms were also improved without taking sleeping pills. Conclusions: Gamiguibi-tang is effective for the treatment of insomnia. More clinical data and studies are required in patients suffering from insomnia.

A Case Report of Liver and Renal Function Changes in Stroke Patients Taking Long-term Herbal Medicine (장기간 한약 복용한 뇌졸중 환자의 간 및 신장 기능 수치 변화에 대한 증례 보고)

  • Kim, Geun-yeob;Kim, Gi-tae;Go, Ho-yeon;Ko, Heung;Shin, Seon-mi
    • The Journal of Internal Korean Medicine
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    • v.38 no.5
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    • pp.555-563
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    • 2017
  • Objectives: This case report describes a patient who had suffered a stroke and who was treated for a long period with herbal medicine in combination with a Western medicine. Methods: Changes in liver function and renal function laboratory tests were measured while the patient took herbal medicine during the 1190 days of hospitalization. Results: During the hospitalization period, the liver function test (LFT) levels were elevated two fold, but after taking the herbal medicine, the LFT levels were stabilized and have remained stable since. Conclusions: The high risk of prescribing herbal medicine by an unlicensed person and the possibility of long-term herbal medicine usage for stabilizing liver function test were shown.

Case Report on Traditional Korean Medicine of an Acute Intracerebral Hemorrhage Patient Diagnosed with Moyamoya Disease (모야모야병으로 인한 출혈성 뇌졸중 환자 1례에 대한 증례보고)

  • Park, Jong-il;Kim, Geun-yeob;Ko, Heung;Shin, Son-mi;Kim, Ki-tae
    • The Journal of Internal Korean Medicine
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    • v.37 no.2
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    • pp.420-426
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    • 2016
  • Objective: This case report examined a patient to determine if traditional Korean medicine treatment was effective for treating acute intracerebral hemorrhage (ICH) diagnosed with moyamoya disease.Method: The patient was treated with herbal medicine, acupuncture, and Western medicine and was followed up with for symptoms, vital signs, and brain computed tomography (CT) scans.Results: During the treatment, the patient’s mental state was mostly alert. The patient’s headaches were improved after the use of painkillers; the patient’s fever and blood pressure were well controlled. The cerebral hematoma was removed smoothly.Conclusion: Traditional Korean medical therapy (herbal medicine and acupuncture) along with Western methods appeared to be effective in managing the acute phase of ICH diagnosed with moyamoya disease.

Insilico profiling of microRNAs in Korean ginseng (Panax ginseng Meyer)

  • Mathiyalagan, Ramya;Subramaniyam, Sathiyamoorthy;Natarajan, Sathishkumar;Kim, Yeon Ju;Sun, Myung Suk;Kim, Se Young;Kim, Yu-Jin;Yang, Deok Chun
    • Journal of Ginseng Research
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    • v.37 no.2
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    • pp.227-247
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    • 2013
  • MicroRNAs (miRNAs) are a class of recently discovered non-coding small RNA molecules, on average approximately 21 nucleotides in length, which underlie numerous important biological roles in gene regulation in various organisms. The miRNA database (release 18) has 18,226 miRNAs, which have been deposited from different species. Although miRNAs have been identified and validated in many plant species, no studies have been reported on discovering miRNAs in Panax ginseng Meyer, which is a traditionally known medicinal plant in oriental medicine, also known as Korean ginseng. It has triterpene ginseng saponins called ginsenosides, which are responsible for its various pharmacological activities. Predicting conserved miRNAs by homology-based analysis with available expressed sequence tag (EST) sequences can be powerful, if the species lacks whole genome sequence information. In this study by using the EST based computational approach, 69 conserved miRNAs belonging to 44 miRNA families were identified in Korean ginseng. The digital gene expression patterns of predicted conserved miRNAs were analyzed by deep sequencing using small RNA sequences of flower buds, leaves, and lateral roots. We have found that many of the identified miRNAs showed tissue specific expressions. Using the insilico method, 346 potential targets were identified for the predicted 69 conserved miRNAs by searching the ginseng EST database, and the predicted targets were mainly involved in secondary metabolic processes, responses to biotic and abiotic stress, and transcription regulator activities, as well as a variety of other metabolic processes.