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단백질-안정화 에멀션의 이화학적 특성 분석 및 지방 대체 소재로서의 활용
김민효,양근혁,이수용 한국산업식품공학회 2022 산업 식품공학 Vol.26 No.4
The physicochemical properties of the emulsions prepared with four different proteins (pea protein isolate, whey protein isolate, soy protein concentrate, and soy protein isolate) were characterized in terms of particle size, rheological property, and freeze-thaw stability, while the feasibility of the protein-stabilized emulsions as a fat replacer was evaluated. Confocal laser scanning microscopic analysis showed that O/W emulsions were successfully prepared with all the proteins; however, the smallest particle size and excellent syneresis were observed in the WPI-stabilized emulsions. The use of WPI-stabilized emulsions as an alternative for shortening up to 50% level did not lead to differences in the muffin batters’ specific gravity and viscoelastic properties. After baking, the substitution of shortening with the WPI emulsions at up to 50% by weight did not significantly affect the muffins’ specific volume and texture characteristics.
정신분열병 여성환자에서 항정신병 약물로 인한 무월경이 치료에 대한 환자의 태도와 삶의 질에 미치는 영향
김민효,공보금,정도운,강제욱,문정준,김정은,송태홍,신혜경,임지섭,심주철 대한정신약물학회 2011 대한정신약물학회지 Vol.22 No.4
Objective This study was aimed to identify the correlation between antipsychotics-induced amenorrhea, and attitudes toward treatment and quality of life in women with schizophrenia. Methods Twenty female schizophrenic patients with antipsychotics-induced amenorrhea and thirty female schizophrenic patients without antipsychotics-induced amenorrhea were evaluated. Attitudes toward treatment were assessed by the Korean version of Drug Attitude Inventory (KDAI-10) and quality of life was assessed by the Korean version of World Health Organization Quality of Life Assessment Instrument-BREF (WHOQOL-BREF). The psychopathology of each patient was assessed by the Positive and Negative Syndrome Scales and the Clinical Global Impression-Severity. Adverse effects were evaluated using the Drug-Induced Extrapyramidal Symptoms Scale. Correlation analysis and multiple linear regression were conducted. Results The KDAI-10 score was not significantly correlated antipsychotics-induced amenorrhea. In WHOQOL-BREF score, social relation domain only showed significant correlation with antipsychotics-induced amenorrhea. Multiple linear regression analysis revealed that the number of family members contributed significantly to the Positive Subjective Feelings Scores of KDAI-10 and marital status contributed significantly to the social relation domain of WHOQOL-BREF in amenorrhea group. Conclusion The results of present study suggest that antipsychotics-induced amenorrhea lower part of the quality of life domain in women with schizophrenia. Clinicians must pay attention to treatment of amenorrhea and various factors that correlated with attitudes toward treatment and quality of life in women with schizophrenia. 본 연구는 여자 정신분열병 환자들에서 무월경의 여부에 따른 치료에 대한 태도와 삶의 질의 연관성에 대해 알아보고자 하였다. 그 결과 무월경군이 대조군에 비해 치료에 대한 환자의 태도에 있어서 통계학적으로 유의한 상관관계를 보이지 않았지만, 무월경군은 삶의 질 중, 사회적 관계 영역이 대조군에 비해 저하되는 소견을 보였다. 이것은 무월경 자체가 정신분열병 환자들의 삶의 질 중 일부영역을 저하시킬 수 있다는 것을 시사한다. 치료자들은 정신분열병의 약물치료에 있어 빈번하게 나타나는 무월경을 쉽게 간과해서는 안 될 것이고, 치료에 대한 태도 및 삶의 질에 대한 다른 요인들을 파악하고 교정함으로써 치료 효과의 증대와 더불어 환자의 치료에 대한 순응도를 높일 수 있을 것이다.
김민효,남윤자,Kim, Min-Hyo,Nam, Yun-Ja 대한인간공학회 2001 大韓人間工學會誌 Vol.20 No.3
A three dimensional body scanner for anthropomentric measurement has been developed. In this study, the slit laser beam projection method followed by digital image processing was used to provide accurate spatial data with the typical optical triangulation method to overcome the many difficulties in traditional in accurate and time-consuming tactic measurement method using rulers and gauges. Compared with other commercialized scanners. this system can obtain a relatively wide range of data at a much lower cost by the specially designed scanning process such as the simultaneous acquisition of vertical and horizontal body cross-section profiles.
김민효,박성관,김민성,김동환 대한기계학회 2019 大韓機械學會論文集A Vol.43 No.11
In this study, the mechanical performance of the proposed coaxial reversing mechanism is analyzed according to the shape of the clutch. Through the coaxial reversing mechanism, special running such as small turning radius, spinning, parallel movement, and side travel is achieved. In the clutch shape used in the coaxial reversing mechanism, the reaction time of the inversion mechanism according to the force acting on the clutch and the reaction time of the reversing mechanism are compared with respect to the various curves used in the conventional gear and cam. 본 연구는 제안한 동축 반전 기구에서 적용하는 클러치의 형상에 따른 기계적 성능을 분석하였다. 동축 반전 기구를 통하여 작은 회전 반경, 제자리 회전, 평행 이동, 측면 주행 등의 특수한 주행을 실현하였다. 동축 반전 기구에 사용되는 클러치 형상에서 기존의 기어와 캠에 사용되는 여러 곡선에 대하여 클러치에 작용하는 힘과 형상에 따른 반전 기구의 반응시간을 비교 분석을 하여 최적의 동축 반전 기구의 클러치의 형상을 결정하였다.