• Title/Summary/Keyword: New report

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One new species and one new record of lymantriine moths (Lepidoptera: Erebidae: Lymantriinae) in Korea

  • Kim, Nang-Hee;Choi, Sei-Woong;Kim, Sung-Soo
    • Journal of Species Research
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    • v.8 no.3
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    • pp.288-293
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    • 2019
  • Herein, we report a new record of Arna bipunctapex (Hampson) and a new species, Euproctis fulvatus sp. nov. in Korea; both are Lymantriine moths. Arna bipunctapex is distinguished by a relatively large wingspan with two black dots and a small dot between these black dots in the apical region of a yellowish forewing. The male genitalia of A. bipunctapex can be distinguished by the lack of a process on the sacculus of valva while the female genitalia can be distinguished by an antrum that is basally flat with two lateral digitate arms. Euproctis fulvatus is distinguished by yellowish wings with a medially curved central fascia of the forewing. The male genitalia can be distinguished by the bifid, digitate uncus and the simple, square-shaped valva with a distal strong invaginated margin. The female genitalia can be distinguished by the long, medially twisted, ductus dursae with simple antrum posteriorly strongly sclerotized and ovate corpus bursae without signum. Larvae of E. fulvatus are distinguished by a black head with a pair of long, black, lateral tufts, dorsum with 10-11 white intersegmental dots and bright red setal warts on T2-A8, and bright red glands on A6 and A7.

In vivo Imaging Biodistribution Profile of a New Macrocyclic Gadolinium Chelate as a Highly Stable Multifunctional MRI Contrast Agent

  • Sung, Bo Kyung;Jo, Yeong Woo;Chang, Yongmin
    • Investigative Magnetic Resonance Imaging
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    • v.23 no.1
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    • pp.34-37
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    • 2019
  • Gadolinium contrast agents (CAs) are integral components of clinical magnetic resonance imaging (MRI). However, safety concerns have arisen regarding the use of gadolinium CAs, due to their association with nephrogenic systemic fibrosis (NSF). Furthermore, recently the long-term retention of $Gd^{3+}-based$ CAs in brains patients with normal renal function raised another possible safety issue. The safety concerns of $Gd^{3+}-based$ CAs have been based on the ligand structure of $Gd^{3+}-based$ CAs, and findings that $Gd^{3+}-based$ CAs with linear ligand structures showed much higher incidences of NSF and brain retention of CAs than $Gd^{3+}-based$ CAs with macrocyclic ligand structure. In the current study, we report the in vivo biodistribution profile of a new highly stable multifunctional $Gd^{3+}-based$ CA, with macrocyclic ligand structure (HNP-2006). MR imaging using HNP-2006 demonstrated a significant contrast enhancement in many different organs. Furthermore, the contrast enhanced tumor imaging using HNP-2006 confirmed that this new macrocyclic CA can be used for detecting tumor in the central nervous system. Therefore, this new multifunctional HNP-2006 with macrocyclic ligand structure shows great promise for whole-body clinical application.

HPC Technology Through SC20 (SC20를 통해 본 HPC 기술 동향)

  • Eo, I.S.;Mo, H.S.;Park, Y.M.;Han, W.J.
    • Electronics and Telecommunications Trends
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    • v.36 no.3
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    • pp.133-144
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    • 2021
  • High-performance computing (HPC) is the underpinning for many of today's most exciting new research areas, to name a few, from big science to new ways of fighting the disease, to artificial intelligence (AI), to big data analytics, to quantum computing. This report captures the summary of a 9-day program of presentations, keynotes, and workshops at the SC20 conference, one of the most prominent events on sharing ideas and results in HPC technology R&D. Because of the exceptional situation caused by COVID-19, the conference was held entirely online from 11/9 to 11/19 2020, and interestingly caught more attention on using HPC to make a breakthrough in the area of vaccine and cure for COVID-19. The program brought together 103 papers from 21 countries, along with 163 presentations in 24 workshop sessions. The event has covered several key areas in HPC technology, including new memory hierarchy and interconnects for different accelerators, evaluation of parallel programming models, as well as simulation and modeling in traditional science applications. Notably, there was increasing interest in AI and Big Data analytics as well. With this summary of the recent HPC trend readers may find useful information to guide the R&D directions for challenging new technologies and applications in the area of HPC.

Nine new records of plants from Bhutan

  • Jigme WANGCHUK;Tsethup TSHERING;Dorji DORJI;Karma WANGDI
    • Korean Journal of Plant Taxonomy
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    • v.53 no.2
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    • pp.170-180
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    • 2023
  • Discoveries and new records of plants specifically provide a basis for empirical data to enable in-depth studies of the ecology, distribution, conservation, applications, and threats to such plants. However, many unexplored regions of Bhutan exist in which several plants have yet to be described and documented. Several species reported elsewhere in the Himalayan region with similar climatic conditions are likely to occur in Bhutan as well, indicating a need to corroborate their presence. To explore this, an opportunistic survey was employed, and we provide nine new records of plant species for Bhutan. Of the nine species, three belonged to the Lauraceae family, with the rest from the Aristolochiaceae, Asparagaceae, Lamiaceae, Phyllanthaceae, Sapindaceae, and Urticaceae families. This paper adds nine additional species of plants to the flora of Bhutan. We also report here ethnobotanical applications of these species, providing insight into how communities interact with environmental resources and have the potential to integrate traditional knowledge into scientific understanding, ultimately to reinforce sustainable biocultural conservation at the local level.

A Study on the Wake Duct For Energy Saving (에너지 절약을 위한 Wake Duct 특성 연구)

  • Kim, Eun-Chan;Gang, Guk-Jin
    • 한국기계연구소 소보
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    • s.17
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    • pp.177-187
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    • 1987
  • This report describes the study result of the hydrodynamics characteristics for the wake duct. Two wake ducts for the DWT 25,000 Product Carrier were designed and manufactured. The resistance and propulsion performance of the model with them was evaluated by model tests. The object of the present research for the wake duct is to establish the foundation of the design technique and the performance prediction ability of the one, and furthermore, to prepare the base of the development of new type energy saving device

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Surgical Management of Postinfarction VSD - Report of 1 case - (심근 경색후 심실중격결손: 1례 보고)

  • 윤태진
    • Journal of Chest Surgery
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    • v.24 no.9
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    • pp.913-917
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    • 1991
  • Ventricular septal defect complicating myocardial infarction is rare but fatal condition which requires early surgical intervention before end-organ failure ensues from cardiogenic shock. Since the first successful repair by Cooley et al in 1956, surgical skills and strategies were developed and modified to a great extent, and we adopted the new repair technique in our case which stresses that minimal or no part of the infarcted septum and left ventricular wall be resected. This technique obviates the need to resect the infarcted part of the septum and prevents recurrence of an even larger VSD, and provides adequate size and shape of the left ventricle after of transinfarction left ventriculotomy.

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바이오 센서 및 랩온어칩

  • 박유근
    • The Magazine of the IEIE
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    • v.31 no.1
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    • pp.58-72
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    • 2004
  • Smart sensors and biochip technologies have received a great deal of attention in recent years not only because of the enormous potential markets in the healthcare expenditures but more importantly because of its great impact on the quality of human life in the future. Collaborative research among BT (Bio Technologies), IT (Information Technologies) and NT (Nano Technologies) will bring us a new paradigm of the healthcare services. Examples include disease prediction based on the genetic tests, personal medicines, point-of-care analysis, rapid and sensitive infectious disease diagnostics, environmental monitoring for chemical or biological warfares, intelligent drug delivery systems etc. In this report, recent accomplishment in the research area on biosensors, DNA chips, Protein Chips and Lab-on-a-chips are reviewed.

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First Record of the Antrorse Spined Gurnard Pterygotrigla multiocellata (Triglidae, Scorpaeniformes) from Korea

  • Kim, Joon Sang;Song, Choon Bok
    • Fisheries and Aquatic Sciences
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    • v.18 no.3
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    • pp.283-286
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    • 2015
  • This is the first report of Pterygotrigla multiocellata from the family Triglidae, collected in Korea. The specimen (314 mm in standard length) was caught in a gill net in the coastal waters of Jeju Island on 11 February 2010. This species is characterized by the following morphological traits: head large and triangular, bony plates absent along the base of the second dorsal fin, antrorse rostral spine long, and cleithral spine long. We suggest a new Korean name, "Gin-ppul-mit-seong-dae" for P. multiocellata.

A report of three unrecorded Ellobiid species (Gastropoda, Eupulmonata) from Korea

  • Lee, Jun-Sang;Lee, Yong-Seok
    • The Korean Journal of Malacology
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    • v.31 no.4
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    • pp.323-326
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    • 2015
  • Three species of Ellobiid molluscs collected from Korea were identified as Auriculastra duplicata (Pfeffer, 1854), Laemodonta siamensis (Morelete, 1875) and Melampus (Pira) flavus (Gmelin, 1791). This is the first record from the Korea, providing a description of the species with illustration for the shell morphology. Including the new recorded in this study, the family Ellobiidae contained six genera and 13 species in the Korea.

Porous fiber filled by liquid crystal for flexible displays and E-paper technology

  • Mashchenko, V.I.;Udra, S.A.;Sorokin, V.V.;Gerasimov, V.I;Belyaev, V.V.
    • 한국정보디스플레이학회:학술대회논문집
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    • 2004.08a
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    • pp.1249-1250
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    • 2004
  • In this paper, we report new technique of preparation of material for flexible displays and E-paper technology. This material represents porous polymeric fiber based on polyacrylonitrile filled by liquid crystal.

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