• Journal of the Korea Academia-Industrial cooperation Society
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• v.13 no.3
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• pp.1122-1128
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• 2012

This study was aimed at identifying the factors of creative ability influencing problem-solving skills for University students majoring in nursing science. A descriptive study was conducted with a sample of 248 students enrolled in a 4-year undergraduate academic program for nursing in one University located in an urban area of Korea. This study used: (a) 25 items of Process Behavior Survey, and (b) 35 items of the Integrative Creativity Scale. The data were collected from Nov. 8th toward Nov. 26th, 2010; the research was conducted through voluntary participation after an explanation about the research. The data were also analyzed with SPSS 18.0 program, using Pearson correlation and stepwise multiple regression methods. Mean score of the level of problem-solving process was 3.62(${\pm}.448$). Problem-solving process was significantly related to creative ability(p<.01). Problem-solving process was significantly influenced by flexibility and elaboration in account for 42.4%. These results imply that in order to foster problem-solving ability, nursing professors need to develop nursing students' creative ability and its factors.

• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 2006.11a
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• pp.11-11
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• 2006

ZnO는 넓은 밴드갭(3.37eV)과 큰 액시톤(exciton) 결합에너지(60meV)를 가지는 II-VI족 화합물 반도체이다[1]. 이와같은 특성은 상온에서도 높은 재결합 효율이 기대되는 엑시톤 전이가 가능하여 자발적인 발광특성 및 레이저 발진을 위한 낮은 임계전압을 가져 일광효율이 큰 장점이 있다. 최근에는 ZnO의 전기적, 광학적, 자기적 특성을 높이기 위해 doping에 대한 연구가 많이 보고 되고 있다. 이중 ZnO내에 Mg을 doping하게 되면 Mg 조성에 따라 밴드갭이 3.3~7.7eV까지 변하게 된다. 그러나 이원계 상평형도에 따라 ZnO내에 고용될 수 있는 MgO의 고용도는 4at% 이하이다. 이는 ZnO는 Wurtzite 구조이고, MgO는 rocksalt 구조로 각각 결정구조가 다르기 때문이다. 본 연구는 열기상증착방법(thermal evaporation)으로 ZnO 템플레이트를 이용하여 MgZnO 나노막대를 합성하였고, Zn와 Mg의 서로 다른 녹는점을 이용해 2-step으로 성장을 하였다. 합성은 수평로를 사용하였으며, 반응온도 550, $700^{\circ}C$로 2-step으로 하였으며, 소스로 사용된 Zn(99.99%)과 Mg(99.99%) 분말을 산소를 직접 반응시켜 합성하였다. Ar 가스와 O2 가스를 각각 운반가스와 반응가스로 사용하였다. ZnO 템플레이트 위에 성장시킨 1차원 MgZnO 나노구조의 형태 및 구조적 특성을 FESEM과 TEM으로 분석하였다. 그리고 결정학적 특성은 XRD를 이용해 분석하였다.

• Clinical and Experimental Pediatrics
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• v.46 no.1
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• pp.95-99
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• 2003

Krabbe disease is a rare autosomal recessive disorder clinically characterized by retardation in motor development, prominent spasticity, seizures, and optic atrophy. Pathologically, there are many globoid cells in the white matter, in addition to the lack of myelin and the presence of severe gliosis. Hence Krabbe disease is known as globoid cell leukodystrophy. Biochemically, the primary enzymatic deficiency in Krabbe disease is galactocerebroside beta-galactosidase. Patients with Krabbe disease can be subdivided into the early-onset type and late-onset type, according to the onset of clinical manifestations. Most patients with early-onset type die before their second birthday. We describe a girl with Krabbe disease associated with uncontrolled seizures, which was confirmed with biochemical study and MRI. The clinical findings of this patient included hyperirritability, scissoring of the legs, flexion of arm, and clenching of the fists, and generalized tonic seizures. EEG showed hypsarrhythmia, and MRI demonstrated degenerative white matter changes in bilateral periventricular white matter, posterior rim of internal capsule, basal ganglia and brain stem on T2W1 and FLAIR image. The diagnosis was based on clinical features of progressive neurologic deterioration in conjunction with low galactocerebroside beta-galactosidase activity.

• Journal of Practical Engineering Education
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• v.12 no.1
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• pp.41-47
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• 2020

This study aims to investigate effects of brain-based learning. 27 primary studies were selected through rigorous search process and analyzed through meta-analytic methods. Research findings are as follows. First, the total effect size was .67. Second, the effect of dependent variables was academic achievement, cognitive domain, and affective domain in order. Third, with respect to types of cognitive domain, the effect was self-regulation, creativity, competence, communication, and research ability in order. Fourth, the effect of affective domains was sociality, learning interest, and subject attitude in order. Fifth, regarding development of cognitive ability, the effect size was combined, brain training, learning environments, and right brain activities in order. Sixth, the effect of learning activities was memory improvement and attention enhancement in order.

• Journal of the Society of Cosmetic Scientists of Korea
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• v.43 no.2
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• pp.165-174
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• 2017

This study reports a synthesis of an amphiphilic linear block copolymer consisting of a hydrophobic poly (lactide) (PLA) block and a hydrophilic hyperbranched polyglycerol (hbPG) block, PLA-b-hbPG. Simple chemical modification of the hbPG block with 4-hydroxycinnamic acid (CA) led to a photo-crosslinkable block copolymer, PLA-b-hbPG-CA. Nanosized micelles of the block copolyemrs were used as drug carriers for sustainable release. The hbPG shell made of a small molecular weight hbPG block showed excellent hydrophilicity, which can minimize in vivo toxicity. The UV-crosslinked PLA-b-hbPG-CA micelles loaded with drugs colud be served as a drug delivery carrier for its biocompatibility and self-assembled structures.

• Journal of Life Science
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• v.23 no.12
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• pp.1420-1427
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• 2013

A novel acetylalginate esterase (AcAlgE) gene was previously cloned and characterized from Sphingomonas sp. MJ-3. In this study, the synergistic effects of MJ-3 AcAlgE, and KS-408 alginate lyase on the degradation of acetylalginate from Pseudomonas aeruginosa were investigated by using high-field 1H-NMR and an FPLC-equipped peptide column. The alginate lyase coupled assay of AcAlgE showed that degradation of high molecular weight acetylalginate was more difficult than degradation of acid hydrolyzed acetylalginate. The degradation of acetylalginate by alginate lyase was easier after AcAlgE was used to remove the acetyl group from acetylalginate. This result showed that the recombinant AcAlgE enhanced the degradation of acetylalginate by alginate lyase.

• Korean Journal of Psychosomatic Medicine
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• v.30 no.2
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• pp.179-186
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• 2022

Objectives : This study aimed to examine the moderating effects of reasons for living on the relationship between depression and suicidal ideation among psychiatric patients. Methods : Patients were recruited from the department of psychiatry of university hospital. A total of 137 participants completed self-report questionnaires assessing depression (Beck Depression Inventory), suicidal ideation (Ultra-Short Suicidal Ideation Scale) and reasons for living (The Reasons for Living Inventory). Results : Among 4 sub-scales of the reasons for living inventory, survival and coping beliefs, fear of death and social disapproval, and future expectation moderated the relationship between depression and suicidal ideation. Conclusions : The results suggest that the reasons for living can work as a protective factor on the relationship between depression and suicidal ideation among psychiatric patients.

• The Korean Society of Law and Medicine
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• v.17 no.2
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• pp.145-173
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• 2016

A patient's Right to Self-Determination or his/her Right of Autonomy in the Republic of Korea has traditionally been understood as being composed of two elements. The first, is the patient's Right to Know as it pertains to the physician's Duty to Report [the Medical Situation] to the patient; the second, is the patient's Right to Consent and Right of Refusal as it pertains to the physician's Duty to Inform [for Patient's Consent]. The legal and ethical positions pertaining to the patient's autonomous decision, particularly those in the interest of the patient's not wanting to know about his/her own body or medical condition, were therefore acknowledged as passively expressed entities borne from the patient's forfeiture of the Right to Know and Right to Consent, and exempting the physician from the Duty to Inform. The potential risk of adverse effects rising as a result of applying the Informed Consent Dogma to situations described above were only passively recognized, seen merely as a preclusion of the Informed Consent Dogma or a denial of liability on part of the physician. In short, the legal measures that guarantee a patient's 'Wish for Ignorance' are not currently being understood and acknowledged under the active positions of the patient's 'Right Not to Know' and the physician's 'Duty to Consideration' (such as the duty not to inform). Practical and theoretical issues arise absent the recognition of these active positions of the involved parties. The question of normative evaluation of cases where a sizable amount of harm has come up on the patient as a result of the physician explaining to or informing the patient of his/her medical condition despite the patient previously waiving the Right to Consent or exempting the physician from the Duty to Inform, is one that is yet to be addressed; that of ascertaining direct evidence/legal basis that can cement legality to situations where the physician foregoes the informing process under consideration that doing so may cause harm to the patient, is another. Therefore it is the position of this paper that the Right [Not to Know] and the Duty [to Consideration] play critical roles both in meeting the legal normative requirements pertaining to the enrichment of the patient's Right to Self-Determination and the prevention of adverse effects as it pertains to the provision of [unwanted] medical information.

• Journal of the Korean Orthopaedic Association
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• v.55 no.4
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• pp.281-293
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• 2020

An anterior cruciate ligament (ACL) reconstruction is one of the most frequent surgical procedures in the knee joint, but despite the better understanding of anatomy and biomechanics, surgical reconstruction procedures still fail to restore rotational stability in 7%-16% of patients. Hence, many studies have attempted to identify the factors for rotational laxity, including the anterolateral ligament (ALL), but still showed controversies. Descriptions of the ALL anatomy are also confused by overlapping nomenclature, but it is usually known as a distinctive fiber running in an anteroinferior and oblique direction from the lateral epicondyle of the femur to the proximal anterolateral tibia, between the fibular head and Gerdy's tubercle. The importance of the ALL as a secondary restraint in the knee has been emphasized for successful ACL reconstructions that can restore rotational stability, but there is still some controversy. Some studies reported that the ALL could be a restraint to the tibial rotation, but not to anterior tibial translation. On the other hand, some studies reported that the role of ALL in rotational stability would be limited as a secondary structure because it bears loads only beyond normal biomechanical motion. The diagnosis of an ALL injury can be performed by a physical examination, radiology examination, and magnetic resonance imaging, but it should be assessed using a multimodal approach. Recently, ALL was considered one of the anterolateral complex structures, as well as the Kaplan fiber in the iliotibial band. Many studies have introduced many indications and treatment options, but there is still some debate. The treatment methods are introduced mainly as ALL reconstructions or lateral extra-articular tenodesis, which can achieve additional benefit to the knee stability. Further studies will be needed on the indications and proper surgical methods of ALL treatment.

• Korean Journal of Psychosomatic Medicine
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• v.25 no.2
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• pp.166-175
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• 2017

Objectives: Shiftwork is known to be one of the common causes of sleep and health problems and finally causes the decreased quality of life. The purpose of this study was to investigate the sleep patterns of shift-working and daytime psychiatric nurses using actigraphy and compare it with subjective assessment for sleep. Methods : Twenty-three shift-working and 25 daytime nurses were enrolled. They rated their sleep quality using Pittsburgh Sleep Quality Index(PSQI) and other self-rating scales were measured for psychosocial aspects. Actigraphy was applied to the subjects for a total of 7 days to measure the sleep parameters. They also wrote sleep diaries during the period of wearing actigraphy. Sleep-related parameters of actigraphy, global score and components of PSQI, and the results of other self-rating scales were compared between shift-working and daytime nurses. Results : Although the global score of PSQI did not show significant difference, the PSQI components showed significant differences between two groups: the shift-working nurses showed lower sleep quality, more sleep disturbance and hypnotic medication use, and worsened daytime dysfunction than daytime nurses. The shift-working nurses showed significantly shorter total time in bed and total sleep time, lower sleep efficiency, and longer average awakening time than those of daytime nurses in actigraphy. Conclusions : The results showed that shift-working nurses experienced more sleep disturbances in both subjective and objective aspects of sleep than daytime nurses. This study also suggests that actigraphy may be useful to measure the objective aspects of sleep that are difficult to assess with subjective questionnaires alone.