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https://www.readbyqxmd.com/read/28443901/roles-of-conducting-filament-and-non-filament-regions-in-the-ta2o5-and-hfo2-resistive-switching-memory-for-switching-reliability
#1
Tae Hyung Park, Hae Jin Kim, Woo Young Park, Soo Gil Kim, Byung Joon Choi, Cheol Seong Hwang
The endurance of switching cycles, which is a critical measure of device reliability, in an ultra-thin (1.5 nm) Ta2O5 and HfO2 resistive random access (ReRAM) memory cell with a 28 nm lateral dimension was studied using current-voltage (I-V) sweep and closed-loop pulse switching (CLPS) tests. The two devices showed the typical oxygen-deficient conducting-filament (CF)-mediated bipolar resistance switching behaviour, which was induced by the asymmetric electrode configuration: Ta as the oxygen vacancy (VO) source/reservoir and TiN as the inert electrode...
April 26, 2017: Nanoscale
https://www.readbyqxmd.com/read/28443228/genome-sequencing-analysis-of-atypical-shigella-flexneri-isolated-in-korea
#2
Nan-Ok Kim, Hae-Young Na, Su-Mi Jung, Gyung Tae Chung, Hyo Sun Kawk, Sahyun Hong
OBJECTIVES: An atypical Shigella flexneri strain with a plural agglutination pattern [i.e., reacting not only with serum samples containing type antigen II but also with serum samples containing group antigens (3)4 and 7(8)] was selected for genome sequencing, with the aim of obtaining additional comparative information about such strains. METHODS: The genomic DNA of atypical S. flexneri strain NCCP 15744 was sequenced using an Ion Torrent PGM sequencing machine (Life Technologies, USA)...
February 2017: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/28443227/surveillance-of-bacillus-cereus-isolates-in-korea-from-2012-to-2014
#3
Su-Mi Jung, Nan-Ok Kim, Injun Cha, Hae-Young Na, Gyung Tae Chung, Hyo Sun Kawk, Sahyun Hong
OBJECTIVES: To investigate the prevalence and toxin production characteristics of non-emetic and emetic Bacillus cereus strains isolated via the laboratory surveillance system in Korea. METHODS: A total of 667 B. cereus strains were collected by the Korea National Research Institute of Health laboratory surveillance system from 2012 to 2014. The collected strains were analyzed by geographical region, season, patient age, and patient sex. Additionally, the prevalence rates of enterotoxin and emetic toxin genes were evaluated...
February 2017: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/28443218/what-matters-in-the-performance-of-a-medial-institution
#4
EDITORIAL
Hae-Wol Cho, Chaeshin Chu
No abstract text is available yet for this article.
February 2017: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/28442241/molecular-detection-and-phylogenetic-analysis-of-severe-fever-with-thrombocytopenia-syndrome-virus-in-shelter-dogs-and-cats-in-the-republic-of-korea
#5
Seung-Hun Lee, Hyun-Joo Kim, Jae-Won Byun, Min-Jung Lee, Neung-Hee Kim, Doo-Hwan Kim, Hae-Eun Kang, Hyang-Mi Nam
Severe fever with thrombocytopenia syndrome is a tick-borne infectious disease. The present study investigated the prevalence of severe fever with thrombocytopenia syndrome virus (SFTSV) in shelter dogs and cats in the Republic of Korea (ROK). Blood samples were collected from 426 dogs and 215 cats in animal shelters throughout the ROK in 2016. Of the tested samples, one (0.2%) dog and one (0.5%) cat were positive for SFTSV. Phylogenetic analysis of the sequences obtained in the present study showed that the viruses belonged to the J3 clade, which is considered the dominant clade in the ROK...
April 14, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28441992/safety-of-a-c1-inhibitor-concentrate-in-pregnant-women-with-hereditary-angioedema
#6
James Fox, Arthur B Vegh, Inmaculada Martinez-Saguer, Walter A Wuillemin, Jonathan Edelman, Debora Williams-Herman, Mikhail Rojavin, Tanja Rosenberg
BACKGROUND: Increased estrogen levels during pregnancy can exacerbate hereditary angioedema (HAE), yet disease and treatment ramifications remain poorly studied in pregnant women. OBJECTIVE: Data from the international Berinert Patient Registry were used to evaluate outcomes of pregnancies exposed to plasma-derived, pasteurized, nanofiltered C1-inhibitor concentrate (pnfC1-INH) during routine HAE management. METHODS: This observational registry, conducted between 2010 and 2014 at 30 U...
May 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28441448/development-and-validation-of-a-modified-korean-version-of-the-pharmacy-services-questionnaire-psq-k-for-the-quality-assessment-of-community-pharmacy-services
#7
Kyung Im Kim, Hae Sun Suh, Arim Kwak, Siin Kim, Nayoung Han, Euni Lee, Jung Mi Oh
Patient-reported outcome (PRO) measures and validated instruments have become integral in assessing the quality of healthcare delivery, including pharmaceutical care services. The Pharmacy Services Questionnaire (PSQ) measures patient satisfaction with pharmaceutical care. In this study, we developed a modified Korean version of the PSQ (PSQ-K) and evaluated its validity and reliability. The PSQ-K was developed using a strict translation and cultural-adaptation procedure. A validation study was performed in six community pharmacies in Korea...
2017: PloS One
https://www.readbyqxmd.com/read/28441443/the-effect-of-parental-factors-in-children-with-large-cup-to-disc-ratios
#8
Hae-Young Lopilly Park, Min Ji Ha, Sun Young Shin
BACKGROUND: To investigate large cup-to-disc ratios (CDR) in children and to determine the relationship between parental CDR and clinical characteristics associated with glaucoma. METHODS: Two hundred thirty six children aged 6 to 12 years with CDR ≥ 0.6 were enrolled in this study. Subjects were classified into two groups based on parental CDR: disc suspect children with disc suspect (CDR ≥0.6) parents and disc suspect children without disc suspect parents...
2017: PloS One
https://www.readbyqxmd.com/read/28440677/no-association-between-estrogen-receptor-gene-polymorphisms-and-premature-thelarche-in-girls
#9
Hae Sang Lee, Jong Seo Yoon, Cheol Hwan So, Kyung Hee Kim, Jin Soon Hwang
OBJECTIVE: Premature thelarche (PT) is a benign, nonprogressive condition defined as isolated breast development. While the pathophysiology of PT remains unclear, increased sensitivity to estrogen may cause PT. The aim of this study was to investigate the association between polymorphisms in the estrogen receptor alpha (ERα) gene and PT in girls. METHODS: In this case-control study, we examined 96 girls referred for early breast development (before the age of 8 years)...
April 25, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28436984/genomic-analyses-identify-hundreds-of-variants-associated-with-age-at-menarche-and-support-a-role-for-puberty-timing-in-cancer-risk
#10
Felix R Day, Deborah J Thompson, Hannes Helgason, Daniel I Chasman, Hilary Finucane, Patrick Sulem, Katherine S Ruth, Sean Whalen, Abhishek K Sarkar, Eva Albrecht, Elisabeth Altmaier, Marzyeh Amini, Caterina M Barbieri, Thibaud Boutin, Archie Campbell, Ellen Demerath, Ayush Giri, Chunyan He, Jouke J Hottenga, Robert Karlsson, Ivana Kolcic, Po-Ru Loh, Kathryn L Lunetta, Massimo Mangino, Brumat Marco, George McMahon, Sarah E Medland, Ilja M Nolte, Raymond Noordam, Teresa Nutile, Lavinia Paternoster, Natalia Perjakova, Eleonora Porcu, Lynda M Rose, Katharina E Schraut, Ayellet V Segrè, Albert V Smith, Lisette Stolk, Alexander Teumer, Irene L Andrulis, Stefania Bandinelli, Matthias W Beckmann, Javier Benitez, Sven Bergmann, Murielle Bochud, Eric Boerwinkle, Stig E Bojesen, Manjeet K Bolla, Judith S Brand, Hiltrud Brauch, Hermann Brenner, Linda Broer, Thomas Brüning, Julie E Buring, Harry Campbell, Eulalia Catamo, Stephen Chanock, Georgia Chenevix-Trench, Tanguy Corre, Fergus J Couch, Diana L Cousminer, Angela Cox, Laura Crisponi, Kamila Czene, George Davey Smith, Eco J C N de Geus, Renée de Mutsert, Immaculata De Vivo, Joe Dennis, Peter Devilee, Isabel Dos-Santos-Silva, Alison M Dunning, Johan G Eriksson, Peter A Fasching, Lindsay Fernández-Rhodes, Luigi Ferrucci, Dieter Flesch-Janys, Lude Franke, Marike Gabrielson, Ilaria Gandin, Graham G Giles, Harald Grallert, Daniel F Gudbjartsson, Pascal Guénel, Per Hall, Emily Hallberg, Ute Hamann, Tamara B Harris, Catharina A Hartman, Gerardo Heiss, Maartje J Hooning, John L Hopper, Frank Hu, David J Hunter, M Arfan Ikram, Hae Kyung Im, Marjo-Riitta Järvelin, Peter K Joshi, David Karasik, Manolis Kellis, Zoltan Kutalik, Genevieve LaChance, Diether Lambrechts, Claudia Langenberg, Lenore J Launer, Joop S E Laven, Stefania Lenarduzzi, Jingmei Li, Penelope A Lind, Sara Lindstrom, YongMei Liu, Jian'an Luan, Reedik Mägi, Arto Mannermaa, Hamdi Mbarek, Mark I McCarthy, Christa Meisinger, Thomas Meitinger, Cristina Menni, Andres Metspalu, Kyriaki Michailidou, Lili Milani, Roger L Milne, Grant W Montgomery, Anna M Mulligan, Mike A Nalls, Pau Navarro, Heli Nevanlinna, Dale R Nyholt, Albertine J Oldehinkel, Tracy A O'Mara, Sandosh Padmanabhan, Aarno Palotie, Nancy Pedersen, Annette Peters, Julian Peto, Paul D P Pharoah, Anneli Pouta, Paolo Radice, Iffat Rahman, Susan M Ring, Antonietta Robino, Frits R Rosendaal, Igor Rudan, Rico Rueedi, Daniela Ruggiero, Cinzia F Sala, Marjanka K Schmidt, Robert A Scott, Mitul Shah, Rossella Sorice, Melissa C Southey, Ulla Sovio, Meir Stampfer, Maristella Steri, Konstantin Strauch, Toshiko Tanaka, Emmi Tikkanen, Nicholas J Timpson, Michela Traglia, Thérèse Truong, Jonathan P Tyrer, André G Uitterlinden, Digna R Velez Edwards, Veronique Vitart, Uwe Völker, Peter Vollenweider, Qin Wang, Elisabeth Widen, Ko Willems van Dijk, Gonneke Willemsen, Robert Winqvist, Bruce H R Wolffenbuttel, Jing Hua Zhao, Magdalena Zoledziewska, Marek Zygmunt, Behrooz Z Alizadeh, Dorret I Boomsma, Marina Ciullo, Francesco Cucca, Tõnu Esko, Nora Franceschini, Christian Gieger, Vilmundur Gudnason, Caroline Hayward, Peter Kraft, Debbie A Lawlor, Patrik K E Magnusson, Nicholas G Martin, Dennis O Mook-Kanamori, Ellen A Nohr, Ozren Polasek, David Porteous, Alkes L Price, Paul M Ridker, Harold Snieder, Tim D Spector, Doris Stöckl, Daniela Toniolo, Sheila Ulivi, Jenny A Visser, Henry Völzke, Nicholas J Wareham, James F Wilson, Amanda B Spurdle, Unnur Thorsteindottir, Katherine S Pollard, Douglas F Easton, Joyce Y Tung, Jenny Chang-Claude, David Hinds, Anna Murray, Joanne M Murabito, Kari Stefansson, Ken K Ong, John R B Perry
The timing of puberty is a highly polygenic childhood trait that is epidemiologically associated with various adult diseases. Using 1000 Genomes Project-imputed genotype data in up to ∼370,000 women, we identify 389 independent signals (P < 5 × 10(-8)) for age at menarche, a milestone in female pubertal development. In Icelandic data, these signals explain ∼7.4% of the population variance in age at menarche, corresponding to ∼25% of the estimated heritability. We implicate ∼250 genes via coding variation or associated expression, demonstrating significant enrichment in neural tissues...
April 24, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28435348/three-new-recorded-species-of-the-physalacriaceae-on-ulleung-island-korea
#11
Ki Hyeong Park, Changmu Kim, Minkyeong Kim, Nam Kyu Kim, Jae Young Park, John A Eimes, Hae Jin Cho, Sang-Kuk Han, Young Woon Lim
Most known species in the Physalacriaceae are saprotrophs that grow on decaying leaves and wood, and approximately 21 genera in the Physalacriaceae have been reported worldwide. During an ongoing survey of indigenous fungi in Korea, four specimens belonging to the Physalacriaceae were collected on Ulleung Island. These specimens were identified as three species based on morphological characteristics and molecular analysis of rDNA-internal transcribed spacer sequences. Three species in three genera were shown to be new records in Korea: Hymenopellis orientalis, Paraxerula hongoi, and Ponticulomyces orientalis...
March 2017: Mycobiology
https://www.readbyqxmd.com/read/28434892/effective-humoral-immune-response-from-a-h1n1-dna-vaccine-delivered-to-the-skin-by-microneedles-coated-with-plga-based-cationic-nanoparticles
#12
Hae-Yong Seok, Jin Yong No, Dae Yong Lee, Sung Jin Kim, Chang Seon Song, Yeu Chun Kim
Intradermal DNA vaccination is a promising method of immunization that overcomes some practical drawbacks of conventional intramuscular vaccinations. However, it is difficult to deliver DNA vaccines to target cells in the skin and polyplexes. This study outlines the development of an intradermal pH1N1 DNA vaccine delivery platform using microneedles (MNs) coated with a polyplex containing poly lactic-co-glycolic acid/polyethyleneimine (PLGA/PEI) nanoparticles (NPs). Stainless steel MNs with enhanced hydrophilicity have been manufactured by silanization, which improves coating efficiency...
April 20, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28434099/the-complete-genome-sequence-of-a-novel-virus-bellflower-veinal-mottle-virus-suggests-the-existence-of-a-new-genus-within-the-family-potyviridae
#13
Jang-Kyun Seo, Hae-Ryun Kwak, Mi-Kyeong Kim, Jeong-Soo Kim, Hong-Soo Choi
A new virus was isolated from a bellflower (Campanula takesimana) plant showing veinal mottle symptoms, and its complete genome sequence was determined. The viral genome consists of a positive-sense single-stranded RNA of 8,259 ribonucleotides. Electron microscopic observation revealed that the viral genome is packaged as a filamentous particle with an average length of approximately 760 nm. BLAST searches of protein databases showed that the encoded polyprotein has a maximum amino acid sequence identity of 34...
April 22, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28433622/diminished-capacity-of-opsonization-and-immune-complex-solubilization-and-detection-of-anti-c1q-antibodies-in-sera-from-patients-with-hereditary-angioedema
#14
Daisuke Honda, Isao Ohsawa, Nobuyuki Sato, Hiroyuki Inoshita, Satoshi Mano, Yasuhiko Tomino, Yusuke Suzuki
BACKGROUND: Hereditary angioedema (HAE) is an autosomal dominant disease caused by deficiency of C1 esterase inhibitor. Symptoms of HAE include edema, which can potentially cause suffocation. Some patients with HAE exhibit immunological abnormalities, which could prevent an accurate diagnosis. Low levels of complement components are characteristic of HAE and in other settings are thought to reduce elimination of apoptotic cells and immune complex (IC). Thus, we aimed to experimentally clarify the mechanism of immunological abnormalities using sera from HAE patients...
April 19, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28432480/predictive-value-of-18-f-fdg-pet-ct-for-axillary-lymph-node-metastasis-in-invasive-ductal-breast-cancer
#15
Bong-Il Song, Hae Won Kim, Kyoung Sook Won
BACKGROUND: This study assessed whether primary tumor maximum standardized uptake value (pSUVmax) measured by (18)F-fluoro-2-deoxy-D-glucose ((18)F-FDG) positron emission tomography/computed tomography (PET/CT) could improve the prediction of axillary lymph node (ALN) metastasis in invasive ductal breast cancer (IDC). METHODS: In this study, 128 IDC patients who underwent pretreatment (18)F-FDG PET/CT and surgical resection of primary tumor with sentinel lymph node biopsy, ALN dissection, or both were analyzed...
April 21, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28430465/elemental-topological-dirac-semimetal-%C3%AE-sn-on-insb-111
#16
Cai-Zhi Xu, Yang-Hao Chan, Yige Chen, Peng Chen, Xiaoxiong Wang, Catherine Dejoie, Man-Hong Wong, Joseph Andrew Hlevyack, Hyejin Ryu, Hae-Young Kee, Nobumichi Tamura, Mei-Yin Chou, Zahid Hussain, Sung-Kwan Mo, Tai-Chang Chiang
Three-dimensional (3D) topological Dirac semimetals (TDSs) are rare but important as a versatile platform for exploring exotic electronic properties and topological phase transitions. A quintessential feature of TDSs is 3D Dirac fermions associated with bulk electronic states near the Fermi level. Using angle-resolved photoemission spectroscopy, we have observed such bulk Dirac cones in epitaxially grown α-Sn films on InSb(111), the first such TDS system realized in an elemental form. First-principles calculations confirm that epitaxial strain is key to the formation of the TDS phase...
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28429591/a-high-performance-furan-containing-conjugated-polymer-for-environmentally-benign-solution-processing
#17
Sang Myeon Lee, Hae Rang Lee, A-Reum Han, Junghoon Lee, Joon Hak Oh, Changduk Yang
Developing semiconducting polymers that exhibit both strong charge transport capability via highly ordered structures and good processability in environmentally benign solvents remains a challenge. Given that furan-based materials have better solubility in various solvents than analogous thiophene-based materials, we have synthesized and characterized furanyl-diketopyrrolopyrrole polymer (PFDPPTT-Si) together with its thienyl-diketopyrrolopyrrole-based analogue (PTDPPTT-Si) to understand subtle changes induced by the use of furan instead of thiophene units...
April 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28427202/clinical-implications-of-genomic-profiles-in-metastatic-breast-cancer-with-a-focus-on-tp53-and-pik3ca-the-most-frequently-mutated-genes
#18
Ji-Yeon Kim, Eunjin Lee, Kyunghee Park, Woong-Yang Park, Hae Hyun Jung, Jin Seok Ahn, Young-Hyuck Im, Yeon Hee Park
Breast cancer (BC) has been genetically profiled through large-scale genome analyses. However, the role and clinical implications of genetic alterations in metastatic BC (MBC) have not been evaluated. Therefore, we conducted whole-exome sequencing (WES) and RNA-Seq of 37 MBC samples and targeted deep sequencing of another 29 MBCs. We evaluated somatic mutations from WES and targeted sequencing and assessed gene expression and performed pathway analysis from RNA-Seq. In this analysis, PIK3CA was the most commonly mutated gene in estrogen receptor (ER)-positive BC, while in ER-negative BC, TP53 was the most commonly mutated gene (p = 0...
March 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423684/prognostic-clinicopathologic-factors-in-carcinoma-of-unknown-primary-origin-a-study-of-106-consecutive-cases
#19
Junjeong Choi, Ji Hae Nahm, Sang Kyum Kim
A heterogeneous group of cancers for which the site of origin remains occult after detailed investigations is defined as carcinomas of unknown primary origin (CUPs). Because patients with CUP have a dismal prognosis, we have analyzed CUPs to highlight the implication of clinicopathologic factors related with patient survival. A total of 106 consecutive cases of CUP were collected. A two-step strategy of immunohistochemistry to assess CUPs according NCCN Guidelines is used to separate carcinomatous tumors and subtype carcinomas...
March 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423669/the-novel-long-non-coding-rna-talnec2-regulates-tumor-cell-growth-and-the-stemness-and-radiation-response-of-glioma-stem-cells
#20
Shlomit Brodie, Hae Kyung Lee, Wei Jiang, Simona Cazacu, Cunli Xiang, Laila M Poisson, Indrani Datta, Steve Kalkanis, Doron Ginsberg, Chaya Brodie
Despite advances in novel therapeutic approaches for the treatment of glioblastoma (GBM), the median survival of 12-14 months has not changed significantly. Therefore, there is an imperative need to identify molecular mechanisms that play a role in patient survival. Here, we analyzed the expression and functions of a novel lncRNA, TALNEC2 that was identified using RNA seq of E2F1-regulated lncRNAs. TALNEC2 was localized to the cytosol and its expression was E2F1-regulated and cell-cycle dependent. TALNEC2 was highly expressed in GBM with poor prognosis, in GBM specimens derived from short-term survivors and in glioma cells and glioma stem cells (GSCs)...
March 7, 2017: Oncotarget
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