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      • KCI등재

        하악 영구치아의 발육과 연령과의 관계 및 치아 발육에 따른 치아의 위치 변화

        김현미,양승덕,김현정,김영진,남순현,Kim, Hyun-Mi,Yang, Seung-Duck,Kim, Hyun-Jung,Kim, Young-Jin,Nam, Soon-Hyeun 대한소아치과학회 2002 大韓小兒齒科學會誌 Vol.29 No.4

        연령과 치아 발육상태 단계와의 상관관계, 치아의 발육에 따른 치아의 이동상태를 평가하기 위하여 최근 5년 이내에 경북대학교 병원에 내원한 아동(남아 446명, 여아 326명)의 파노라마 방사선사진을 대상으로 하여, Moorrees의 기준에 의하여 하악 영구치아의 발육단계를 평가한 후, 발육단계와 연령, 치조골내 치아의 위치를 평가하여 다음과 같은 결론을 얻었다. 치아의 발육시기는 치관이 완료될 때까지 남, 여의 차이가 없었으나, 치근형성이 되면서 부터는 남아보다 여아에서 더 빨리 발육되는 경향을 나타내었다. 치관형성의 완료시점의 평균연령은 남아 여아 각각에서 중절치 3.71, 4.05세, 측절치 4.44, 4.60세, 견치 5.35, 5.11세, 제1소구치 6.62, 6.36세, 제2소구치 7.36, 7.17세, 제1대구치 3.51, 3.69세, 제2대구치 7.90, 7.64세 이었고, 치근단이 폐쇄되기 전단계인 $A_{1/2}$는 중절치 8.70, 8.18세, 측절치 9.55, 8.99세, 견치 12.48, 11.60세, 제1소구치 12.30, 12.01세, 제2소구치 12.19, 12.26세, 제1대구치 912, 8.87세, 제2대구치 12.59, 12.45세 이었다. 치조골내의 교두점 위치는 치관형성 완료시까지는 거의 변화가 없었으나, 치근이 형성됨에 따라 빠르게 교합평면을 향해 이동하였고, 치근형성 완료단계(Rc)에서 다시 움직임 없이 정체되었다. 치근단의 위치는 치관형성 시작부터 치근 1/4 형성 시까지 일정한 위치에 유지되었으나, 그 후에 급격하게 교합면 쪽으로 이동하였고, 치근 3/4 형성시점부터 비교적 일정한 위치에 유지되었다. 치아의 석회화가 시작되는 초기의 치배 위치는 견치가 가장 하방에 위치하였으며, 그 다음이 제2소구치, 제1소구치, 측절치 제2대구치, 제1대구치 순이었고, 중절치가 가장 상방에 위치하였다. The purposes of this study were to evaluate the timing of tooth calcification and the change of tooth position with tooth developmental stage on the mandibular teeth. Seven hundred seventy two children(male:446, female:326), 3 to 12 years of age were examined radiographically with panoramic film. Dental development was determined by inspecting radiographs and assigning a rating according to consecutive stages defined by Moorrees, and tooth cusp position and root terminus position were measured from the lower border of mandibular body and calculated the position index to evaluate the movement of tooth with developmental stage. The results were as follows. 1. There were no significant differences between boys and girls in the timing of calcification until crown completion, but timing of calcification tend to be faster in girls than in boys after root initiation stage. 2. In terms of mean age, crown completion of central incisor in boys and girls occurred at the age of 3.71, 4.05 years, at 4.44, 4.60 years for the lateral incisor, at 5.35, 5.11 years for the canine, at 6.62, 6.36 years for the first premolar, at 7.36, 7.17 years of second premolar, at 3.51, 3.69 years of first molar, and at 7.90, 7.64 years for the second molar respectively. Apex 1/2 closed stage of central incisor occurred at the age of 8.70 in boys, 8.18 in girls, at 9.55, 8.99 years for the lateral incisor, at 12.48, 11.60 years for the canine, at 12.30, 12.01 years for the first premolar, at 12.19, 12.26 years of second premolar, at 9.12, 8.87 years of first molar, and at 12.59, 12.45 years for the second molar respectively. 3. There was no noticeable movement of cusp tip until crown completion (Crc), but showed rapid movement toward occlusion plane after root initiation(Ri) and again maintain stable position after root completion stage(Rc). 4. Root terminus position was stable until root 1/4 formation stage(R1/4), followed by rapid movement toward occlusal plane and was stable again after root 3/4 formation stage(R3/4). 5. Developmental stage at the time of alveolar bone penetration by cusp tip varied with each of the permanent teeth. 6. Canine tooth follicle was at the lowest position in the mandibular body during the early stage of calcification, followed by second premolar, first premolar, lateral incisor, second molar, first molar and central incisor in order.

      • KCI등재

        만1세 영아반에서의 베이비사인에 관한 실행연구

        김현미(Hyun Mi Kim),권귀염(Kyee Yum Kwon) 한국열린유아교육학회 2014 열린유아교육연구 Vol.19 No.4

        본 연구는 실행연구를 통해 만1세 영아반에서 베이비사인 활용에 관한 어려움의 개선 및 실천 전략 그리고 교사의 내면적 변화과정을 살펴보고자 하였다· 참여교사는 총 9년의 교육경력을 가지고 있었으며 자신이 베이비사인을 사용하면서 느끼는 어려움과 문제점을 개선하고 더 나은 학급 활용을 고민하고자 본 연구에 참여하였다· 자료 수집은 총 6개월간 이루어졌으며 참여교사와의 심층면담, 참여관찰 및 협의, 문서자료 수집 등이 이루어졌다· 이 과정에서 교사가 인식한 문제 및 실천 전략은 ‘획일적인 수업에서 다양하고 재미있는 활동으로’ ‘무조건적인 집중에서 관심에 기반을 둔 집중으로’ ‘독립활동에서 교육과정과의 통합으로’ 나타났다· 이를 통해 참여교사는 수업준비의 필요성에 대해 다시 한 번 생각하는 계기가 되었고 영아의 특성을 반영한 수업의 재구성 및 가정과의 연계 강화가 이루어졌다. Using an action research method, this study investigates the process of utilizing baby signs in a class for 1-year-olds and the participant teacher``s (Ms. Kim``s) experiences. Ms. Kim, working at H daycare center in M city, willingly participated in the study. Data collection consisted of 3 in-depth interviews conducted over six months, more than 10 participatory observations, 7 discussions with the teacher. Then, using analytical induction, the collected data were categorized, analyzed, and interpreted. The findings are as follows: The focuses of the first phase are making the teacher``s baby sign activities more fun and developing diverse teaching strategies. The second phase, included the emerging problem of the teacher``s anxiety concerning the children``s concentration levels. The teacher tried to keep in mind the children``s developmental characteristics and to reflect them in the classroom practices. The third phase, integrates baby sign activities into the theme-based standardized curriculum. While experiencing this action research, the teacher experienced such important changes in her beliefs and practices as becoming more serious about preparing class activities, re-constructing her teaching methods by reflecting on the developmental characteristics of infants, and strengthening the relationships with the parents.

      • KCI등재

        Screening for inhibitory effect on nine CYP isoforms by 20 herbal medications

        김현미,유광현,Kim, Hyun-Mi,Liu, Kwang-Hyeon Korean Society of Life Science 2007 생명과학회지 Vol.17 No.3

        본 연구는 우황청심원을 비롯한 상용되는 20종의 한약제제를 대상으로 9종의 시토크롬 동종효소에 대한 대사능의 저해정도를 고속 스크리닝 기법을 이용하여 탐색함으로써, 한약제제와 약물의 병용으로 인한 약물 상호작용 가능성을 평가하고자 하였다. 인체 간 마이크로좀 시료에 9종의 주요 시토크롬 약물대사효소의 지표약물과NADPH-generating system및 한약제제(500 ${\mu}g/ml$)를 첨가한 후 $37^{\circ}C$에서 15분간 반응시켜 생성된 각각의 대사물을 LC/MS/MS를 이용하여 정량하여 시토크롬 동종효소 활성의 변화를 평가하였다. 그 결과 우황청심원 현탁액 및 황련해독탕 물 추출물이 각각 CYP2B6 및 CYP2D6 효소 활성을 선택적으로 강력하게 저해하였다. 이러한 결과는 약국에서 쉽게 구입할 수 있는 한약제제들 중 일부는 인체 간 시토크롬 활성 저해능을 가지고 있고, 이들 효소에 의해 대사되는 약물과의 병용 복용시 약물상호작용 발생 가능성이 있음을 의미한다. 향후 한약제제에서 저해능을 나타내는 주된 성분을 규명하여 이 성분의 저해능과 저해 기전을 살피는 노력이 필요할 것이다. We evaluated the potential of 20 herbal medications (HMs), commonly used in Korea, to inhibit the catalytic activities of several cytochrome P450 (CYP) isoforms. The abilities of 500 ${\mu}g/ml$ of aqueous extracts of 20 HMs to inhibit phenacetin O-deethylation (CYP1A2), coumarin 6-hydroxylation (CYP2A6), bupropion hydroxylation (CYP2B6), rosiglitazone hydroxylation (CYP2C8), tolbutamide 4-methylhydroxylation (CYP2C9), S-mephenytoin 4'-hydroxylation (CYP2C19), dextromethorphan O-demethylation (CYP2D6), chlorzoxazone 6-hydroxylation (CYP2E1), and midazolam 1'-hydroxylation (CYP3A) were tested using human liver microsomes. The HMs Woohwangcheongsimwon suspension and Hwanglyeonhaedok-Tang strongly inhibited CYP2B6 and CYP2D6 isoform activity, respectively. These results suggest that some of the HMs used in Korea have potential to inhibit CYP isoforms in vitro. Although the plasma concentrations of the active constituents of the HMs were not determined, some herbs could cause clinically significant interactions because the usual doses of those individual herbs are several grams of freeze-dried extracts.

      • KCI등재

        중환자실 간호사의 외상성 사건 경험이 이직의도에 미치는 영향 : 감성지능의 조절효과

        김현미,박지영,Kim, Hyunmi,Park, Jiyoung 한국중환자간호학회 2021 중환자간호학회지 Vol.14 No.2

        Purpose : The purpose of this study was to identify the moderating effects of emotional intelligence on the relationship between traumatic events and turnover intention among nurses working in intensive care units (ICUs). Method : In this predictive correlation study, the convenience sample included 133 ICU nurses. Data were collected using an online, structured self-report survey. The collected data were analyzed by descriptive statistics, an independent t-test, an analysis of variance, Pearson's correlation coefficient, and a hierarchical multiple regression analysis using SPSS/WIN 25.0. Results : The most frequently experienced traumatic events in ICUs were "nursing patients with abnormal behavior, including shouting and delirium," "end-of-life care," and "nursing patients with a risk of disease transmission, including AIDS and tuberculosis." The moderating effect of emotional intelligence was found to be statistically significant on the relationship between traumatic events and turnover intentions (𝛽=-0.15, p =.029). Conclusion : Intervention to improve the emotional intelligence of ICU nurses can be a salient strategy to reduce turnover intention resulting from traumatic events.

      • KCI등재

        컨조인트 분석을 이용한 혼밥 소비자의 외식업체 선택속성에 관한 연구

        김현미,이지현,정라나,Kim, Hyunmi,Lee, Jihyeon,Chung, Lana 한국식생활문화학회 2017 韓國食生活文化學會誌 Vol.32 No.4

        This study analyzed the comparative importance of the selection of a restaurant for solo diners, and suggests a solution for the ideal type of the restaurant that are appealing to solo diners using conjoint analysis techniques. A total of 280 questionnaires were distributed to consumers who had experience dining alone from June $7^{th}$, 2017 to June $14^{th}$, 2017, and 261 were completed (93.21%). As a result, the importance of the attributes of the restaurant was found to be the menu for solo diners (36.92%), price (30.29%), seating for solo diners (20.87%), and serving time of food (11.91%). The ideal combination of selection attributes was found to be having a menu for a solo diner, having a seat for a solo diner, meal service time of less than 10 minutes, and a low price of 2,500won. These results will form a database that contributes to the development of differentiated products and is building marketing strategies that can satisfy the needs of solo diners.

      • KCI등재

        소형화된 Ka-대역 주파수 합성기 모듈 설계 및 제작

        김현미,양승식,이만희,염경환,Kim, Hyun-Mi,Yang, Seong-Sik,Lee, Man-Hee,Yeom, Kyung-Whan 한국전자파학회 2007 한국전자파학회논문지 Vol.18 No.5

        본 논문에서는 복합 소형화된 Ka-대역 주파수 합성기 모듈을 제작하였다. 본 논문을 통하여 소형화 구성시 배치 방법과 체계적인 검증 방법을 제시하였다. 제작된 주파수 합성기는 X-대역 전압 제어 발진기(VCO: Voltage Controlled Oscillator)의 주파수를 3체배하여 구성하였으며, 제작된 모듈은 500 MHz 주파수 가변 범위와 약 14 dBm의 출력 전력, 그리고 100 kHz 오프셋 주파수에서 -96.17 dBc/Hz의 위상 잡음 특성을 보여주고 있다. In this paper, we designed and fabricated a Ka-band synthesizer module. In addition, the systematic layout procedure and the test procedure were presented for the construction of compact synthesizer. To implement the Ka-band synthesizer, X-band VCO is employed as VCO and its frequency was multiplied by 3 with frequency tripler. The fabricated frequency synthesizer shows a frequency tuning range of 500 MHz, output power of about 14 dBm, and a phase noise of -96.17 dBc/Hz at the 100 kHz offset frequency.

      • KCI등재

        소고기 전문식당 선택속성에 대한 소비자 선호도 연구

        김현미,정라나,Kim, Hyunmi,Chung, Lana 한국식품조리과학회 2017 한국식품조리과학회지 Vol.33 No.2

        Purpose: This study investigated beef restaurant's selection attributes using conjoint analysis in order to provide useful information to marketers and managers. Methods: A total of 320 questionnaires were distributed to consumers who visited a beef restaurant in August 2016, and 284 were completed (96.90%). Statistical analyses of data were performed using SPSS/Windows 22.0 for descriptive statistics and conjoint analysis. Results: The results of this study demonstrate the relative importance and level of each attribute for selecting beef restaurants. Price showed the greatest importance (34.86%), followed by origin of beef (27.52%), level of support services (25.72%), and variety of side dishes (11.90%). The optimum attribute combination was various side dishes (0.059), Korean beef (0.385), Very high service level (-0.291), and price of 8,000 won (-0.782). The most preferred beef restaurant gained 37.60% potential market share from choice simulation. There were significant differences in importance of attributes related to age of respondents. For respondents in their 20s and older than 50s, the first consideration was price. Respondents in their 30s considered the level of support services first while those in their 40s considered origin of beef first. Importance of attributes based on companion of respondents revealed that all respondents considered price first. Conclusion: This study contributes to development of marketing plans based on a customer's involvement level focusing on their primary selection criteria when choosing a beef restaurant. Additionally, marketers who manage beef restaurants can estimate the market share of imaginary beef restaurants from these results.

      • SCOPUSKCI등재

        뇌졸중환자의 일상생활 수행능력에 따른 가족의 부담감

        김현미,박점희,장군자,Kim, Hyun-Mi,Park, Jum-Hee,Jang, Gun-Ja 한국지역사회간호학회 1998 지역사회간호학회지 Vol.9 No.2

        This study was designed and undertaken to identify the degree of burden of family caregivers for patients who had a stroke as the burden is related to the ADL of the patients. The data were collected from October 3rd, 1997 to March 20th, 1998. The subjects in this study were 126 caregivers as family members and 126 patients with strokes who were hospitalized in two oriental medicine hospitals and four general hospitals located in Taegue and Pusan City. The questionnaires consisted of questions regarding burden(25 items) of caregivers and ADL (25 items) of patients with strokes. Data were analyzed using percentages, mean, t - test and ANOV A done with the SPSS program. The results of this study were as follows: 1. The score for family caregiver's burden was higher than the middle score. 2. The family caregivers' age had statistically significant differences in the degree of burden. 3. The age and sex of patients affected the burden of caregivers significantly. That is, caregivers felt more of a burden when caring for the patient group in their sixties than in any other age group and female patients created more of a burden than male patients. 4. There was a statistically significant difference in the degree of caregiver burden according to the level of patient ADL.

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