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- 저자 : Jang Young Dal (검색결과 88 건)
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이규진,이송주,옥철호,장태원,정만홍,김영옥,박성달 고신대학교의과대학 2008 고신대학교 의과대학 학술지 Vol.23 No.4
저자들은 객혈을 주소로 내원한 75세 남자 환자에서 기관지내시경 육안 소견상 양성 종양이 의심 되었으나 조직 검사상 지방종을 확진하지 못하였고 악성종양을 배제할 수 없는 상황에서 종괴에 의한 왼쪽 폐의 허탈과 농흉 때문에 수술적 치료를 시행 하였으며, 수술 결과 기관지 지방종에 의한 폐허탈, 농흉 및 기관지 확장증, 이로 인한 객혈이 발생한 예가 있어 보고하는 바이다. Lipoma is a common neoplasm on soft tissues. However, bronchial lipoma is rare benign tumor. Patients with bronchial lipoma might have a malignant potential, and there were case reports of lung cancer accompanied with lipoma. Therefore, it should initially be treated by fibrotic bronchoscopy or surgery. We encountered a 75 year-old male patients with bronchial lipoma, causing hemoptysis.
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Distribution of injected fat-soluble vitamins in plasma and tissues of nursery pigs
Jang Young Dal,Rotering Mikayla J.,Isensee Paige K.,Rinholen Kirsten A.,Boston-Denton Carli J.,Kelley Paige G.,Stuart Robert L. 아세아·태평양축산학회 2020 Animal Bioscience Vol.33 No.12
Objective: The objective of this experiment was to investigate the effects of fat-soluble vitamin injection on plasma and tissue vitamin status in nursery pigs. Methods: A total of 16 pigs (initial body weight: 7.15±1.1 kg) were allotted to 2 treatments at d 7 post-weaning. Pigs were fed a corn-soybean meal-based basal diet with no supplemental vitamin A and i.m. injected with 300,000 IU of retinyl palmitate, 900 IU of d-α-tocopherol and 30,000 IU of vitamin D3 with control pigs having no vitamin injection. Blood (d 0, 3, 7, and 14 post-injection) and tissue samples (liver, brain, heart, lung, and muscle; d 7 and 14 post-injection) were collected from pigs. Retinyl palmitate, retinol, and α-tocopherol concentrations were analyzed in plasma and tissues, while plasma was assayed for 25-hydroxycholecalciferol (25-OHD3). Results: Plasma retinol and 25-OHD3 concentrations increased by the vitamin injection from d 3 to 14 post-injection (p<0.05) whereas plasma retinyl palmitate was detected only in the vitamin treatment at d 3 and 7 post-injection (115.51 and 4.97 μg/mL, respectively). Liver retinol, retinyl palmitate, and retinol+retinyl palmitate concentrations increased by retinyl palmitate injection at d 7 and 14 post-injection (p<0.05) whereas those were not detected in the other tissues. The d-α-tocopherol injection increased α-tocopherol concentrations in plasma at d 3 and 7 post-injection (p<0.05) and in liver, heart (p<0.10), and muscle (p<0.05) at d 7 post-injection. Conclusion: Fat-soluble vitamin injection increased plasma status of α-tocopherol, retinol, retinyl palmitate and 25-OHD3. As plasma levels decreased post-injection, vitamin A level in liver and vitamin E level in muscle, heart and liver increased. The α-tocopherol found in plasma after injection was distributed to various tissues but retinyl palmitate only to the liver.
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Young Dal Jang,Jingyun Ma,Ning Lu,Jina Lim,H. James Monegue,Robert L. Stuart,Merlin D. Lindemann 아세아·태평양축산학회 2018 Animal Bioscience Vol.31 No.2
Objective: Two experiments were conducted to evaluate vitamin D3 administration to nursery pigs by injection or in drinking water on serum 25-hydroxycholecalciferol (25-OHD3) concentrations. Methods: At weaning, 51 pigs (27 and 24 pigs in experiments 1 and 2, respectively) were allotted to vitamin D3 treatments. Treatments in experiment 1 were: i) control (CON), no vitamin administration beyond that in the diet, ii) intramuscular (IM) injection of 40,000 IU of vitamin D3 at weaning, and iii) water administration, 5,493 IU of vitamin D3/L drinking water for 14 d postweaning. Treatments in experiment 2 were: i) control (CON), no vitamin administration, and ii) water administration, 92 IU of d-α-tocopherol and 5,493 IU of vitamin D3/L drinking water for 28 d postweaning. The lightest 2 pigs within each pen were IM injected with an additional 1,000 IU of d-α-tocopherol, 100,000 IU of retinyl palmitate, and 100,000 IU of vitamin D3. Results: In both experiments, serum 25-OHD3 was changed after vitamin D3 administration (p<0.05). In experiment 1, injection and water groups had greater values than CON group through d 35 and 21 post-administration, respectively (p<0.05). In experiment 2, serum values peaked at d 3 post-administration in the injection groups regardless of water treatments (p<0.05) whereas CON and water-only groups had peaks at d 14 and 28 post-administration, respectively (p<0.05). Even though the injection groups had greater serum 25-OHD3 concentrations than the non-injection groups through d 7 post-administration regardless of water treatments (p<0.05), the water-only group had greater values than the injection-only group from d 21 post-administration onward (p<0.05). Conclusion: Serum 25-OHD3 concentrations in pigs increased either by vitamin D3 injection or drinking water administration. Although a single vitamin D3 injection enhanced serum 25-OHD3 concentrations greater than water administration in the initial period post-administration, a continuous supply of vitamin D3 via drinking water could maintain higher serum values than the single injection.
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An effective queries execution algorithm on the encrypted database
Young-Dal Jang,Ji-Hong Kim 한국정보통신학회 2015 2016 INTERNATIONAL CONFERENCE Vol.7 No.1
The "software as service" initiative, also referred to as the application service provider (ASP) model, is very promising area of the networking technology. In this paper, we explore a new paradigm for data management in which a third party service provider hosts "Database As a Service (DAS)" providing its customers seamless mechanisms to create, store, and access their databases at the host site. In DAS model, the best effective algorithm to secure database from the security threat of the third party attacker is to encrypt the sensitive data within the database. But once we encrypt the sensitive data, then we have difficulties in queries execution on the encrypted database. In this paper, we focus on the search process on the encrypted database. We proposed the selective tuple encryption method using bloom filter which could tell us the existence of the keyword and the bucket index data. Finally we compare the search performance between the proposed method and the other encryption methods we know.
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Amino acid digestibility in diets containing copra meal with β-mannanase fed to growing pigs
Jang Jae Cheol,Kim Dong Hyuk,Jang Young Dal,김유용 아세아·태평양축산학회 2021 Animal Bioscience Vol.34 No.12
Objective: The objective of this study was to estimate standardized ileal digestibility (SID) of amino acids (AA) in growing pigs fed diets containing increasing levels of copra meal (CM) with β-mannanase supplementation.Methods: Twenty barrows (initial body weight: 34.43±0.11 kg) surgically fitted with T-cannulas at the distal ileum were individually housed in metabolism crates. Pigs were allotted to 5 dietary treatments in a completely randomized design with 4 replicates per treatment. The dietary treatments were: i) NC, negative control, corn-soybean meal (SBM) based diet, ii) PC, positive control, basal diet + 0.10% β-mannanase supplementation (800 IU/kg), iii) CM6, PC diet with 6% CM supplementation, iv) CM12, PC diet with 12% CM supplementation, and v) CM18, PC diet with 18% CM supplementation. A nitrogen-free diet was used to estimate basal endogenous losses of AA for SID calculation. All experimental diets contained 0.5% chromic oxide as an indigestible marker. Each period consisted of a 4-d diet adaptation period and a 3-d ileal digesta collection period.Results: There were no differences in apparent ileal digestibility (AID) and SID of all AA between the NC and PC treatments except that the PC treatment had lower AID and SID of glycine than the NC treatment (p<0.05). There were linear decreases in AID and SID of lysine (p<0.05) and aspartic acid (p = 0.06; tendency) with increasing levels of CM in the diets with β-mannanase.Conclusion: The β-mannanase supplementation had no effect on AA digestibility in pigs fed the corn-SBM based diet but increasing levels of CM reduced SID of lysine and aspartic acid. Objective: The objective of this study was to estimate standardized ileal digestibility (SID) of amino acids (AA) in growing pigs fed diets containing increasing levels of copra meal (CM) with β-mannanase supplementation. Methods: Twenty barrows (initial body weight: 34.43±0.11 kg) surgically fitted with T-cannulas at the distal ileum were individually housed in metabolism crates. Pigs were allotted to 5 dietary treatments in a completely randomized design with 4 replicates per treatment. The dietary treatments were: i) NC, negative control, corn-soybean meal (SBM) based diet, ii) PC, positive control, basal diet + 0.10% β-mannanase supplementation (800 IU/kg), iii) CM6, PC diet with 6% CM supplementation, iv) CM12, PC diet with 12% CM supplementation, and v) CM18, PC diet with 18% CM supplementation. A nitrogen-free diet was used to estimate basal endogenous losses of AA for SID calculation. All experimental diets contained 0.5% chromic oxide as an indigestible marker. Each period consisted of a 4-d diet adaptation period and a 3-d ileal digesta collection period. Results: There were no differences in apparent ileal digestibility (AID) and SID of all AA between the NC and PC treatments except that the PC treatment had lower AID and SID of glycine than the NC treatment (p<0.05). There were linear decreases in AID and SID of lysine (p<0.05) and aspartic acid (p = 0.06; tendency) with increasing levels of CM in the diets with β-mannanase. Conclusion: The β-mannanase supplementation had no effect on AA digestibility in pigs fed the corn-SBM based diet but increasing levels of CM reduced SID of lysine and aspartic acid.
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Jang, Hongje,Choi, Myung-Ho,Yim, Yeajee,Kim, Young-Kwan,Min, Dal-Hee Wiley-VCH 2015 Advanced Healthcare Materials Vol.4 No.12
<P>Herein, hybrid nanocomposite of praseodymium doped TiO2 nanocrystals and graphene oxide nanosheets are prepared by facile hydrothermal treatment. As-synthesized Pr-TiO2 /NGO hybrid nanocomposite exhibits enhanced photocatalytic activity under visible light irradiation by the intact graphene oxide and doped lanthanide mediated band gap narrowing compared to TiO2 . Moreover, high payload and controlled release of doxorubicin by charge reversal of hybrid nanocomposite at endosomal pH and near-infrared irradiation mediated efficient photothermal conversion provide highly favorable features in therapeutic applications. Through the combination of these three distinctive therapeutic modalities, highly efficient trimodal cancer cell ablation is demonstrated.</P>
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Facile synthesis of robust and biocompatible gold nanoparticles
Jang, Hongje,Kim, Young-Kwan,Ryoo, Soo-Ryoon,Kim, Mi-Hee,Min, Dal-Hee Royal Society of Chemistry 2010 Chemical communications Vol.46 No.4
<P>Biocompatible and robust gold nanoparticles (AuNPs) were prepared <I>via</I> a simple synthetic strategy employing dextran as a reducing agent and surface coating material. Cross-linking and amination of the surface-coated dextran significantly improved the colloidal stability of AuNPs and rendered the nanoparticles more amenable to bioconjugation.</P> <P>Graphic Abstract</P><P>Gold nanoparticles (AuNPs) were prepared by employing dextran as a reducing agent and surface coating material. Colloidal stability, biocompatibility, and capability of bioconjugation will make the AuNPs readily applicable in biology. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=b919971n'> </P>
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