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회전법을 이용한 칫솔질과 기존 칫솔질 및 치실의 추가 사용법의 치면세균막 제거 효과 비교
정미선,강해리,김예리,박선영,박진희,조무열,차세리,한선영 한국치위생감염관리학회 2016 한국임상치위생학회지 Vol.4 No.2
This study was performed to compare the effectiveness in plaque removal between rolling method and habitually set individual tooth brush method. Twenty nine medically health candidates were selected. The subjects were healthy and they all used two different oral care method by split-mouth design for 1 week. An examiner tested their plaque using Quigley-Hein plaque index before and after oral care. And we asked after oral exam, which tooth brush method do they prefer. As results, there were no significantly different between the two oral care methods (p>0.05). Eighty one percent of male and 57.1% of female preferred the rolling method after they used two methods. Through this study, we concluded that the habitual method with dental flossing showed the similar effect in plaque removal compared to the rolling method. Therefore, it could be confirmed that the oral care method may choose by personal preferences.
실험적으로 유발된 직장종양에 대한 치료적 초음파의 효과
정미선,오명화,김계엽,김찬규,Cheong, Mee-Sun,Oh, Myoung-Hwa,Kim, Gye-Yeop,Kim, Chan-Kyu 대한물리치료과학회 2004 대한물리치료과학회지 Vol.11 No.3
The use of therapeutic ultrasound(US) in humans with malignant neoplasms has been contra-indicated in physical therapy practice. Some studies have shown the results after application of US inhibited of tumor growth but some studies have shown the results facilitated of tumor growth in mouse. The purpose of this study were to determine the effects of US on rectal sarcoma(CT-26) in mouse and to determine the histological change of tumor. Thirty-five female BALB/C mouse, age 6 to 8 weeks received subcutaneous injection of 0.1 105 tumor cells. When tumors grew to 5 mm in diameters, the mouse were randomly assigned to control group(n=7) and high powered continuous US group(n=7) and low powered continuous US group(n=7) and high powered pulsed US group(n=7) and low powered pulsed US group(n=7). The experimental group (four groups) received 10 treatments over a 10-day period of 3 MHz ultrasound. Tumor dimension were measured on days 1(start of treatment), 5(midtreatment), and 10(end of treatment, preexcision and postexcision). Tumors were weighed after excision and the mouse were observated histological change of tumor. All tumors grew larger over time. Mean tumor weights(in grams) and volumes(in cubic millimeters) were 2.063 g and $2729.313\;mm^3$ for the high powered continuous US group 1.881 g and $2428.002\;mm^3$ for the low powered continuous US group 1.730 g and $2381.002\;mm^3$ for the high powered pulsed US 1.673 g and $2289.562\;mm^3$ for the low powered pulsed US group 1.670 g and $2297.333\;mm^3$ for the control group. Ultrasound increased the weight and volume of subcutaneous tumor in mouse. We urge caution in the use of ultrasound in the areas of tumors.
정상 성인 여성의 혈중 불소농도 및 불소제제 ( Disodium Monofluorophosphate ) 투여후 혈중 불소농도의 변화
정미선,민헌기,한인권,장학철,정호연,한기옥,김상우,문인걸,윤현구 대한내분비학회 1997 Endocrinology and metabolism Vol.12 No.4
Background: Since the morning fluoride level of 10 uM is recommended for adults patients being treated for osteoporosis so far, measurement of serum fluoride level is important to detect abnormally high levels or to detect levels below the therapeutic windows. Aims of this study are to determine the normal range of serum ionic fluoride levels in Korean female adults (from 5th to 7th decade), and to evaluate the in vivo fluoride pharmacokinetics of monofluorophosphate in Korean adults. Methods: Serum level of fluoride was measured from blood samples of 72 female subjects(age 43-69years) using an ion selective electrode. For pharrnacokinetics of monofluorophosphate-calcium(MFP-Ca), 6 subjects(age 27~45 years) were included to be withdrawn the blood hourly for the first S hours and the blood was withdrawn at 24 hours after a single dose of MFP-Ca. Results: Mean level of serum fluoride was 1.64+-0.12uM in 5th, 6th, 7th decades adults, and there was no difference of serum fluoride levels among age groups. Peak serum fluoride level exhibited 5.02+-0.67pM, and returned to basal level on 24 hours after a single dose of MFP-Ca. Conclusion: This study shows that mean serutn fluoride of Korean female adults(from 5th to 7th decade) is not different from that of other reports, and a single dose of MFP-Ca does not cause serum fluoride levels above the recommended therapeutic windows of 5-10uM for 24 hours. (J Korean Soc Endocrinol 12:565-570, 1997)
다양한 크기를 가지는 산화철 나노클러스터의 합성 및 물리적 성질의 제어
정미선,최진실 한국공업화학회 2020 한국공업화학회 연구논문 초록집 Vol.2020 No.-
자성 나노 입자는 초상자성 성질과 높은 자화도로 인하여 분리, 검출, 치료 등 다양한 바이오, 의료 분야에서 널리 사용되고 있음. 이때 자성 나노 입자의 물리적 성질에 따라 그 응용 효과가 달라지게 된다. 산화철 나노클러스터는 작은 크기의 산화철 나노 입자를 뭉쳐 자라게 유도한 것으로 단일 산화철 입자와 비교하여 입자간의 이중극자 영향과 큰 부피로 인하여 단일 산화철 나노 입자와는 다른 성질을 보여줌. 따라서 본 연구에서는 산화철 나노클러스터의 크기를 제어하고 크기에 따라 물리적 성질의 변화되는 양상을 확인하고 응용 목적에 따라 최적화된 산화철 나노클러스터를 선택하고자 한다.
승마체험의 서비스품질이 고객만족, 고객충성도에 미치는 영향 - 장수승마체험장을 사례로 -
정미선,차지은,장동헌 한국농촌계획학회 2016 농촌계획 Vol.22 No.2
This study examined effects of service quality, reliability, responsiveness, assurance, tangibles and empathy on customer satisfaction and customer loyalty by surveying users of Jangsu Horse Riding Experience Course at a time that an interest in horseback riding experience increases. Hypothesis was tested by conducting frequency analysis and regression analysis. It was found that for service quality and customer satisfaction of horse riding experience which is hypothesis 1, all dimensions except empathy were significant. It was revealed that hypothesis 2 which customer satisfaction will have a significant influence on customer loyalty is significant. It was found that hypothesis 3 which service quality will have an influence on customer loyalty is significant except assurance of service quality. Findings of this study suggest that empathy in customer satisfaction and assurance in customer satisfaction should be improved.