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통합심리치료의 인지분화훈련이 정신분열병 환자의 기초 인지기능에 미치는 영향
이희상,현명호,조현상,이연희,김태용,장순아,노규식,정기립,이만홍,유계준 大韓神經精神醫學會 1998 신경정신의학 Vol.37 No.5
연구목적 : 정신분열별 환자들을 대상으로 통합심리치료의 소프로그램인 인지분화훈련을 실시하여 실행기능, 개념형성능력, 언어능력 및 추론력에 대한 훈련이 보다 더 하위단계의 인지기능인 주의력, 기억력, 반응시간 등을 호전시킬 수 있는 지를 알아보고자 하였다. 연구방법 : DSM-IV상 정신분열병으로 진단된 24명의 입원환자를 무작위로 양분하여 한 군은 인지분화훈련군으로 다른 한 군은 대조군으로 나누었다. 훈련군은 4주동안 1주일에 3회(매회 60분간)로 총 12회의 통합심리치료의 인지분화훈련을 받았으며 대조군은 동일한 시간동안 정신건강교육을 받았다. 훈련전후에 훈련군과 대조군을 대상으로 개정판 Wechsler 기억검사로 주의집중력, 장·단기 기억력을 측정하였고 Vienna test system중 결정반응시간검사로 반응시간, 반응결정시간, 반응운동시간을 평가하였다. 연구결과 : 1) 주의집중력에서는 훈련군과 대조군사이에 집단간 효과, 집단내 효과 및 상호작용 효과가 없었다. 2) 단기기억력에서는 훈련군과 대조군사이에 집단내 효과는 있었으나(F(1,24)=10.46. p〈.05). 집단간 효과, 상호작용 효과는 없었다. 3) 장기기억력에서는 훈련군과 대조군사이에 집단내 효과는 있었으나(F(1,24)=15.09. p〈.05). 집단간 효과, 상호작용 효과는 없었다. 4) 반응시간에서는 상호작용 효과(F(1,24)=5.18, p〈.05)가 있었다. 5) 반응운동시간에서는 집단간 효과, 집단내 효과 및 상호작용 효과가 없었다. 6) 반응결정시간에서는 상호작용 효과(F(1.24)=6.00, p〈.05)가 있었다. 결 론 : 통합심리치료의 인지분화훈련은 정신분열병 환자에서 하위단계의 인지기능 중 반응시간(특히 반응결정시간)을 단축시키는 효과가 있었다. Objectives : The purpose of this study was to investigate the effects of cognitive differentiation training of Integrated Psychological Therapy(a training program of executive function, concept formation, language, and abstraction) on micro-level cognitive function such as attention, memory and reaction time in patients time in patients with schizophrenia. Methods : Twenty-four inpatients diagnosed as schizophrenia using DSM-IV were randomly assigned to 2 groups. The training group went through a total of 12 sessions of cognitive differentiation training for 4 weeks. The control group received psychoeducation program during the same period. Wechsler Memory Scale-Revised and Decision-Reaction Timer of Vienna Test System were administered to all patients, both before and after the training program. Results : 1) In the attention and concentration scores of Wechsler Memory Scale-Revised, between group, within group and interaction effects of training were not significant. 2) In the short-term memory scores of Wechsler Memory Scale-Revised, within group effect of training was significant(F(1,24)=10.46, p〈0.05), but the between group and interaction effects did not reach significance. 3) In the long-term memory scores of Wechsler Memory Scale-Revised, within group effect of training was significant(F(1,24)=15.09, p〈0.05), but the between group and interaction effects did not reach significance. 4) In the reaction time scores of Decision-Reaction Timer, interaction effect of training was significant(F(1,24)=5.18, p〈0.05). 5) In the motor time scores of Decision-Reaction Timer, between group, within group and interaction effects of training were not significant. 6) In the decision time scores of Decision-Reaction Timer, interaction effect of training was significant(F(1,24)=6.00, p〈0.05). Conclusion : Our findings suggest that cognitive differentiation training of Integrated Psycho-logical Therapy is partly effective on improving micro-level cognitive functions such as reaction time(especially, decision time) in patents with schizophrenia.
HPLC를 이용한 Alnus속 식물에서의 diarylheptanoids의 정량분석
정동욱,김준식,조수민,이연아,김광호,김세원,이민원 중앙대학교 약학연구소 1999 약학 논총 Vol.13 No.-
Quantitative determination of diarylheptanoids (oregonin and hirsutanonol), which were characteristic components of Alnus spp. has been conducted by High Performance Liquid Chromatography. The HPLC analysis was carried out using an YMC J'sphere ODS-H80 column [150×4.6mm, S-4μm. 80A(particle)] and a combination of acetonitrile and H2O was used as mobile phase in gradient solvent system. The results showed differnce in the species (Alnus japonica, A hirsuta and A. hirsuta var. sibirica)
Electrical Characteristics of Poly(ethylene oxide)-urea Complex Films
Cho, Mi-Yeon,Cho, Kyoung-Ah,Kim, Sang-Sig The Korean Institute of Electrical and Electronic 2012 Transactions on Electrical and Electronic Material Vol.13 No.3
The electrical characteristics of complex films composed of poly(ethylene oxide) (PEO) and urea as a function of the urea concentration were examined in this study. Moreover, their structural characteristics were also compared. Depending on the urea concentration, the structural phases were classified as PEO+${\beta}$-phase composite, ${\beta}$-phase+${\alpha}$-phase composites, or ${\alpha}$-phase composite+urea. At urea concentrations below ~0.064 M, the ${\beta}$-phase was dominant in the complex film. Moreover, the conductance increased rapidly with an increase in the urea concentration. For urea concentrations ranging from ~0.064 to ~0.25 M, the ${\beta}$-phase was gradually substituted by the ${\alpha}$-phase. As the film was composed entirely of the ${\alpha}$-phase at urea concentrations greater than ~0.25 M, its conductance was decreased. In this study, the electrical characteristics observed for the different phases are analyzed and discussed.
Ah Rang Kang,Jee Yeon Baek,Sang Hyun Lee,Young Sik Cho,Wol Soo Kim,Yeon Soo Han,Iksoo Kim 한국응용곤충학회 2011 한국응용곤충학회 학술대회논문집 Vol.2011 No.05
The pear psylla, Cacopsylla pyricola Foerster (Homoptera: Psyllidae), is a serious insect pest of commercial pear crops. The species, which resides on pear trees throughout its life cycle, is rapidly spreading in some regions of the world. Given the life cycle, it is unclear how such a rapid spread has been facilitated. Presently, the population genetic structure of the species including genetic diversity and gene flow was studied to understand the nature of dispersal and field ecology of the species. Pear psylla was collected from several pear orchards in Korea. The 658-bp region of mitochondrial COI gene and the 716-bp long complete internal transcribed spacer 2 (ITS2) of the nuclear ribosomal DNA were sequenced. Unlikely other previously studied insect pests, the COI-based genetic diversity of the pear psylla was extremely low (maximum sequence divergence of 0.15%). This finding allowed us to conclude that the species may have been introduced in Korea relatively recently, possibly with the phenomenon of genetic bottlenecks. ITS2 sequence-based analyses of phylogeny, population differentiation, gene flow, and hierarchical population structure all concordantly suggested that the pear psylla populations in Korea are neither genetically isolated nor hampered for gene flow. These genetic data are concordant with the dispersal of an overwintering winterform morph outside the non-pear habitat in the fall and the possibility of subsequently longer distant dispersal.
( Ji Yeon Kim ),( Gyung Ah Wie ),( Yeong Ah Cho ),( So Young Kim ),( Dae Kyung Sohn ),( Suk Kyoung Kim ),( Mee Duck Jun ) 한국임상영양학회 2018 Clinical Nutrition Research Vol.7 No.4
The enhanced recovery after surgery (ERAS) program aims to maximize the recovery of patients by minimizing pre- and postoperative complications and stress. The program recommends providing preoperative carbohydrate (CHO) supplements and starting an early postoperative diet to reduce the fasting duration. Based on these recommendations, we implemented preoperative CHO supplementation and initiated an early postoperative diet in patients undergoing laparoscopic colorectal resection. We observed 3 patients as follows: a non-ERAS case, preoperative ERAS case, and pre- and postoperative ERAS case. The preoperative well-being and compliance of patients improved after implementation of the ERAS program. Moreover, the length of hospital stay was reduced. Therefore, we consider that the ERAS program may be helpful for the recovery of patients undergoing laparoscopic colorectal resection.
New switchable mirror device with a counter electrode based on reversible electrodeposition
Cho, Seong M.,Kim, Sujung,Kim, Tae-Youb,Ah, Chil Seong,Song, Juhee,Cheon, Sang Hoon,Kim, Joo Yeon,Ryu, Hojun,Kim, Yong-Hae,Hwang, Chi-Sun,Lee, Jeong-Ik Elsevier 2018 Solar energy materials and solar cells Vol.179 No.-
<P><B>Abstract</B></P> <P>A new structure for a switchable mirror device based on reversible electrodeposition is proposed. This device does not contain Cu ions in the electrolyte and adapts a counter electrode. The feasibility of the device was evaluated with a WO<SUB>3</SUB> film, which is a well-known electrochromic material, as a counter electrode. Even in the absence of Cu ions, the WO<SUB>3</SUB> film facilitates a clean erase feature in the device. Furthermore, using a pre-deposited Ag film as a working electrode, Ag deposition can be driven at a substantially lower voltage than that in conventional devices. Moreover the deposition current decreases with the progress of Ag deposition, and stops after completion of the deposition process. The results clearly indicate that the tri-bromine ion, which makes the self-erasing circulation, is not generated during Ag deposition process. The new switchable mirror shows excellent bistability and size scale-up is possible because it does not consume continuous current in the mirror state. By appling the proposed technology, a switchable mirror device with a 7cm × 9cm active area was successfully fabricated.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Cu-free switchable mirror device based on reversible electodeposition was developed. </LI> <LI> Counter electrode material was introduced to the device for the first time. </LI> <LI> Bistability was dramatically improved by application of pre-deposited Ag film. </LI> <LI> The device has low self-erasing current and has potential for scale-up. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>