http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Deposition and XPS Study of Pb, Zr, and Ti Films
Sujin Choi, Juyun Park, Eunkang Jeong, Beob jun Kim, Seo yoon Son, Jeong min Lee, Jin seong Lee, Hee jin Jo, Jihun Park, Yong-Cheol Kang 조선대학교 기초과학연구원 2014 조선자연과학논문집 Vol.7 No.3
Lead zirconate titanate (PZT) is significant material in electrical and optical devices for their ferroelectric, piezoelectric and dielectric properties. In this research, PZT films were fabricated by reactive RF co-sputtering method using Pb, Zr, and Ti targets. From XPS study, lead, zirconium, and titanium are successfully deposited on Si(100) substrate. Thickness of PZT films was measured with a surface profiler and the thickness was decreased as the oxygen gas ratio increased in the sputter gas.
Identification of Potocki-Lupski syndrome in patients with developmental delay and growth failure
Jun, Sujin,Lee, Yena,Oh, Arum,Kim, Gu-Hwan,Seo, Eulju,Lee, Beom Hee,Choi, Jin-Ho,Yoo, Han-Wook Korean Society of Medical Genetics and Genomics 2019 대한의학유전학회지 Vol.16 No.2
Purpose: Potocki-Lupski syndrome (PTLS), is a recently identified, rare genomic disorder. The patients are affected by infantile hypotonia, poor growth and developmental delay. Facial dysmorphism may not be obvious in some patients. PTLS is associated with microduplication at chromosome 17p11.2. In the current study, three Korean patients are reported with their clinical and genetic features. Materials and Methods: The clinical findings of each patient were reviewed. Karyotyping and multiplex ligation-dependent probe amplification (MLPA) analyses were done for genetic diagnoses. Results: All the patients did not have the characteristic dysmorphic features, such as broad forehead, triangular face, asymmetric smile and palpebral fissures. On the other hand, all three patients were affected by variable degree of developmental delay, poor oral intake, failure to thrive, and language development disorders. Chromosome 17p11.2 duplication was identified by conventional karyotyping analysis only in one patient, whereas the other confirmed by MLPA analyses. Conclusion: Delayed development was mostly commonly observed in our patients without distinct dysmorphic facial features. In this respect, genomic screening in patients with developmental delay would identify more cases with PTLS to understand their long-term clinical courses with the development of adequate psychological and rehabilitation education program.
Identification of Potocki–Lupski syndrome in patients with developmental delay and growth failure
Sujin Jun,Yena Lee,Arum Oh,Gu-Hwan Kim,Eulju Seo,Beom Hee Lee,Jin-Ho Choi,Han-Wook Yoo 대한의학유전학회 2019 대한의학유전학회지 Vol.16 No.2
Purpose: Potocki–Lupski syndrome (PTLS), is a recently identiἀed, rare genomic disorder. The patients are affected by in-fantile hypotonia, poor growth and developmental delay. Facial dysmorphism may not be obvious in some patients. PTLS is associated with microduplication at chromosome 17p11.2. In the current study, three Korean patients are reported with their clinical and genetic features. Materials and Methods: The clinical ἀndings of each patient were reviewed. Karyotyping and multiplex ligation-dependent probe ampliἀcation (MLPA) analyses were done for genetic diagnoses.Results: All the patients did not have the characteristic dysmorphic features, such as broad forehead, triangular face, asym-metric smile and palpebral ἀssures. On the other hand, all three patients were affected by variable degree of developmental delay, poor oral intake, failure to thrive, and language development disorders. Chromosome 17p11.2 duplication was identi-ἀed by conventional karyotyping analysis only in one patient, whereas the other conἀrmed by MLPA analyses.Conclusion: Delayed development was mostly commonly observed in our patients without distinct dysmorphic facial fea-tures. In this respect, genomic screening in patients with developmental delay would identify more cases with PTLS to under-stand their long-term clinical courses with the development of adequate psychological and rehabilitation education program.
Disturbance of the Glutamatergic System in Mood Disorders
Jun, Chansoo,Choi, Yera,Lim, Soo Mee,Bae, Sujin,Hong, Young Sun,Kim, Jieun E.,Lyoo, In Kyoon The Korean Society for Brain and Neural Science 2014 Experimental Neurobiology Vol.23 No.1
<P>The role of glutamatergic system in the neurobiology of mood disorders draws increasing attention, as disturbance of this system is consistently implicated in mood disorders including major depressive disorder and bipolar disorder. Thus, the glutamate hypothesis of mood disorders is expected to complement and improve the prevailing monoamine hypothesis, and may indicate novel therapeutic targets. Since the contribution of astrocytes is found to be crucial not only in the modulation of the glutamatergic system but also in the maintenance of brain energy metabolism, alterations in the astrocytic function and neuroenergetic environment are suggested as the potential neurobiological underpinnings of mood disorders. In the present review, the evidence of glutamatergic abnormalities in mood disorders based on postmortem and magnetic resonance spectroscopy (MRS) studies is presented, and disrupted energy metabolism involving astrocytic dysfunction is proposed as the underlying mechanism linking altered energy metabolism, perturbations in the glutamatergic system, and pathogenesis of mood disorders.</P>
Antioxidant Activities and Anti-dementia Activity of Blueberries in Unripe and Ripe Stage at Harvest
Sujin Lim,Haejo Yang,Dongyoon Shin,Young-Jun Kim 한국산업식품공학회 2016 학술대회 및 심포지엄 Vol.2016 No.04
The interest in the role of antioxidants in human health has prompted research in the fields of food science and horticulture to assess fruit and vegetable antioxidants such as ascorbic acid, anthocyanin, flavonoid, phenolic compounds, and total antioxidant activity. Free radicals have been known to cause degenerative diseases: cardiovascular disease, cancer, diabetes, and brain dysfunction. In this study, five cultivars of blueberries (Nelson, Duke, Bluejay, Toro, and Eliot) were harvested in two different maturity stages (unripe and ripe) to evaluate antioxidant activities and anti-dementia activities. Total phenolics and flavonoids of blueberries inthe ripe stage were higher than those in the unripe stage; alsothe total anthocyanin contentswere much higher in ripe fruits thanin unripe fruits. Antioxidant activities of ripen blueberries were greater than unripe fruits, especially; ‘Nelson’ and ‘Toro’ were higher than other cultivars. Total antioxidant activity was highly correlated with total flavonoids (r=0.8568) and phenolics (r=0.9637). However, acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) inhibition of blueberries showed that unripe fruits were significantly higher than ripe fruits. In conclusion, there were several differences in antioxidant activities and anti-dementia activities of blueberry depending on fruit cultivars and the maturity stage at harvest. Therefore, unripe fruits also have potential health promoting bioactive compounds as a functional foodingredient.
Ahn, Sujin,Wi, Hun,Oh, Tong In,McEwan, Alistair Lee,Jun, Sung Chan,Woo, Eung Je Hindawi Limited 2014 Journal of applied mathematics (JAM) Vol.2014 No.-
<P>A continuous Nondestructive monitoring method is required to apply proper feedback controls during tissue regeneration. Conductivity is one of valuable information to assess the physiological function and structural formation of regenerated tissues or cultured cells. However, conductivity imaging methods suffered from inherited ill-posed characteristics in image reconstruction, unknown boundary geometry, uncertainty in electrode position, and systematic artifacts. In order to overcome the limitation of microscopic electrical impedance tomography (micro-EIT), we applied a 3D-specific container with a fixed boundary geometry and electrode configuration to maximize the performance of Graz consensus reconstruction algorithm for EIT (GREIT). The separation of driving and sensing electrodes allows us to simplify the hardware complexity and obtain higher measurement accuracy from a large number of small sensing electrodes. We investigated the applicability of the GREIT to 3D micro-EIT images via numerical simulations and large-scale phantom experiments. We could reconstruct multiple objects regardless of the location. The resolution was 5 mm<SUP>3</SUP>with 30 dB SNR and the position error was less than 2.54 mm. This shows that the new micro-EIT system integrated with GREIT is robust with the intended resolution. With further refinement and scaling down to a microscale container, it may be a continuous nondestructive monitoring tool for tissue engineering applications.</P>