• 제목/요약/키워드: Tm3+

검색결과 2,032건 처리시간 0.031초

로타바이러스 백신 (Rotavirus Vaccines)

  • 고홍
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • 제12권sup1호
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    • pp.72-76
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    • 2009
  • Rotavirus infection is the leading cause of severe diarrhea disease in infants and young children worldwide. Rotavirus infects every child at least once by her/his $5^{th}$ birthday. It has been known that single episode of rotavirus infection can protect or alleviate subsequent illness caused by both homotypic and heterotypic rotaviruses. There are two currently licensed rotavirus vaccines. One is human-bovine rotavirus reassortant pentavalent vaccine ($RotaTeq^{TM}$), which contains five reassortant rotavirus (expressing protein G1, G2, G3, G4 and P[8]) and was licensed in Korea for use among infants in 2007. Another is live-attenuated human rotavirus vaccine ($Rotarix^{TM}$) derived from 89-12 strain which represents the most common of the human rotavirus VP7(G1) and VP4(P[8]) antigens. $Rotarix^{TM}$ was licensed in Korea in 2008. Both live oral rotavirus vaccines are efficacious in preventing severe rotavirus gastroenteritis.

Giant Perpendicular Magnetic Anisotropy of a Fe(001) Surface: A Density Functional Study

  • Odkhuu, D.;Rhim, S.H.;Yun, Won Seok;Hong, S.C.
    • 한국자기학회:학술대회 개요집
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    • 한국자기학회 2013년도 자성 및 자성재료 국제학술대회
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    • pp.29-29
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    • 2013
  • We predict agigantic perpendicular magnetocrystalline anisotropy (MCA) in Fe (001) capped by 5d transition metal (TM) overlayers by using first principles calculations. Analysis of atom-by-atom contribution to MCA reveals that gigantic MCA as large as 11 meV/TM originates not from Fe atoms but from the 5d TMs through the strong spin-orbit coupling. More specifically, it is the hybridization between TM and Fe d orbitals that also induces non-negligible magnetic moments in TM. Furthermore, spin-channel decompositions of MCA matrix with and without the presence of Fe substrate identify the electronic origin of the perpendicular MCA that the down-down channel contribution plays the most crucial role for the sign changes of MCA of TM overlayers upon the hybridization with Fe-3d.

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Temperature Dependence of Magnetization of Amorphous TM_70 Cr_5 Si_10 B_15 (TM=Fe, Co, Ni) Alloys

  • Kim, Kyeong-Sup;Yu, Seong-Cho;Lim, Woo-Young;Myuong, Wha-Nam
    • Journal of Magnetics
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    • 제2권4호
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    • pp.135-137
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    • 1997
  • We report the salient features of the magnetic properties of amorphous TM70Cr5Si10B15(TM=Fe, Co, Ni) alloys. The temperature dependence of magnetization for amorphous ribbons were measured by a SQUID and a VSM from 5 K to 700 K under an external field of 10 kOe. Except TM70Cr5Si10B15 that shows a paramagnetic behaviour, both Fe and Co based amorphous alloys show a typical ferromagnetic thermo-magnetization curves. For these two ferromagnetic alloys, the saturation magnetization in the temperature range from 5 K to about 0.4 Tc can be descrived by the Bloch relation, Ms (T)=Ms(0) [1-BT3/2-CT5/2]. The spin wave stiffness constants and the range of exchange interaction were analyzed from the magnetization behaviour. The variation of the magnetic properties are discussed and compared with the composition of the alloys.

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시공간 활성도를 이용한 적응적 양자화 기반 비디오율 제어 (Video Rate Control Using An Adaptive Quantization Based on Spatio-temporal Activity Measure)

  • 이시웅;김차종
    • 한국정보통신학회:학술대회논문집
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    • 한국해양정보통신학회 2004년도 춘계종합학술대회
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    • pp.454-458
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    • 2004
  • 본 논문에서는 시각 시스템의 민감도를 고려한 새로운 비디오 율제어 기법을 제안한다. 제안된 방식은 MPEG2 TM5 율제어 기법과 같이 3단계의 구조로 구성되어 있으나, 적응적 양자화를 위한 시각의 시-공간 민감도에 근거한 새로운 마크로블록 활성도 척도를 사용한다. 모의 실험을 통해 TM5 방식에서 사용된 공간 활성도보다. 제안된 시-공간 결합 활성도가 주관적, 객관적 화질 측면에서 우수함을 증명한다.

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돼지에서 분리한 Bordetella bronchiseptica의 항생제 감수성 (Antimicrobial Susceptibility of Bordetella bronchiseptica Isolates from Pigs)

  • 조정곤
    • 한국임상수의학회지
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    • 제15권1호
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    • pp.30-35
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    • 1998
  • Susceptibility or resistance of the Bordetella bronchiseptica was determined by using the broth microdilution method. Each Bordetella bronchiseptica was tested fur sutraceptluility with 7 different antimicrobial agents.4 high prevalence of resistance (greater than 80 %) was found when Bordetella bronchiseptica was tested with amikacin (AK), ciprofloxacin ILrJl gentamlcin IGAgf, kanamycin (Kbf) and tobramycin (TM). However, the Bordetella bronchiseptica were sensitive to chloramphenicol (CP) and tetracycline (TC). Three different combination of drug resistance were observed : AM-CF-GM-TM (1 strain), AM-CF-GM- KM-TM (45 strains), and AM-CF-GM-KM-TM-CP (3 strains). The MICs against Bordetella bronchiseptica were 0.13 to >2.00 for TC, 4 to >648 for CP, 8 to >128 for CF 16 to >256 for GM, 16 to >256 for TM, 32 to >256 for KM and 64 to 256 for AM.

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Electrochemical Behavior of Tm ion and Bi ion in LiCl-KCl Molten Salt

  • Kim, Beom-Kyu;Han, Hwa Jeong;Park, Ji Hye;Kim, Won Ki;Park, Byung Gi
    • 한국방사성폐기물학회:학술대회논문집
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    • 한국방사성폐기물학회 2017년도 추계학술논문요약집
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    • pp.83-84
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    • 2017
  • This study, electrolytic behavior of Thulium and Tm-Bi ion system was studied. The electrochemical behavior of Tm was studied in $LiCl-KCl-TmCl_3$ molten salts using electrochemical techniques Cyclic Voltammetry on tungsten electrodes at 773K. During the process of CV and SWV, intermetallic compound were observed Bi-Tm. Further study, in order to determine clarity of diffusion coefficient in this experiment, we will compare result of electrochemistry method and we also need to quantitative research.

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Luminescence Properties of $Dy^{3+}-(or Tm^{3+}-)$ Doped $Ga_2O_3$ and $ZnGa_2O_4$ Phosphors

  • Ryu, Ho-Jin;Park, Hee-Dong
    • The Korean Journal of Ceramics
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    • 제3권2호
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    • pp.134-138
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    • 1997
  • $Dy^{3+}-(or Tm^{3+}-)$ doped $Ga_2O_3 \;and\; ZnGa_2O_4$ phosphors were prepared using the solid state reaction method to investigate their photoluminescent characteristics. Under 254 nm excitation, $Dy^{3+}-doped Ga2_O_3$ exhibited two emission bands of 460~505nm and 570~600nm. On the other hand, $Dy^{3+}-(or Tm^{3+}-)$ doped $ZnGa_2O_4 $phosphors exhibited a broad-band emission extending from 330 nm to 610 nm, peaking at about 430 nm(or 370 nm). In this study, an emission peak shift of nealy 50 nm towards longer wavelength region was observed with $Dy^{3+}$ doping in the $ZnGa_2O_4 $.

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Sensitiv ImagoTM, 양도락을 이용한 Duchenne Muscular Dystrophy 환아 1례의 검사 결과 보고 (A Case Report : The Measurement Results of Duchenne Muscular Dystrophy Patient Using Sensitiv ImagoTM and Ryodoraku)

  • 한주희;김덕곤;이진용
    • 대한한방소아과학회지
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    • 제28권3호
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    • pp.74-84
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    • 2014
  • Objectives The purpose of this study is to report the measurement results of Duchenne Muscular Dystrophy (DMD) in Patient Using Sensitiv $Imago^{TM}$ (SI) and Ryodoraku. Methods We conducted SI test and Ryodoraku test to a 7-year-old DMD patient who visited to Oriental pediatrics, Kyung Hee Medical Center. Results We obtained SI and Ryodoraku test results from a DMD patient. Conclusions Further study with more samples is necessary to establish accuracy of SI in clinical use.

천식 아동 및 청소년에서 원격모니터링 중재의 효과: 체계적 문헌고찰 및 메타분석 (Effectiveness of Telemonitoring Intervention in Children and Adolescents with Asthma: A Systematic Review and Meta-Analysis)

  • 정유진;김지민;박동아
    • 대한간호학회지
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    • 제48권4호
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    • pp.389-406
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    • 2018
  • Purpose: This review aimed to evaluate the effectiveness of telemonitoring (TM) in the management of children and adolescents with asthma. Methods: We searched Ovid-MEDLINE, Ovid-EMBASE, CENTRAL (Cochrane Central Register of Controlled Trials), CINAHL (Cumulative Index to Nursing and Allied Health Literature), and 5 domestic databases to identify randomized controlled trials (RCTs) published through December 2017. Two reviewers independently selected relevant studies, assessed methodological quality and extracted data. We performed a meta-analysis of TM versus usual care and summarized the intervention characteristics of included studies. Results: Of the 3,095 articles identified, 8 RCTs (9 articles) were included in this review. The type of TM intervention of included studies was varying across studies (transmitted data, transmission frequency, data review, etc.). The pooled asthma control score was not significantly different between TM and usual care (standardized mean difference 0.04, 95% confidence interval (CI) -0.20~0.28). Another pooled analysis demonstrated no statistically significant difference in asthma exacerbation between TM and usual care (odds ratio 0.95, 95% CI 0.43~2.09). Overall, the pooled results from these studies revealed that TM did not lead to clinically significant improvements in health outcomes, but some studies in our analysis suggested that TM increased patient medication adherence and intervention adherence. Conclusion: The current evidence base does not demonstrate any differences between TM intervention and usual care, but TM intervention might be considered a promising strategy for the delivery of self-management support for children and adolescents with asthma. Further well-designed studies are needed to assess the effects on clinical outcomes.

코발트-크롬 합금의 표면처리에 따른 열중합형 의치상용 레진과의 전단결합강도 (SHEAR BOND STRENGTH OF HEAT-CURED DENTURE BASE RESIN TO SURFACE TREATED CO-CR ALLOY WITH DIFFERENT METHODS)

  • 이상훈;황선홍;문홍석;이근우;심준성
    • 대한치과보철학회지
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    • 제45권2호
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    • pp.216-227
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    • 2007
  • Statement of problem: For the long-term success of removable partial dentures, the bonding between metal framework and denture base resin is one of the important factors. To improve bonding between those, macro-mechanical retentive form that is included metal framework design has been generally used. However it has been known that sealing at the interface between metal framework and denture base resin is very weak, because this method uses mechanical bonding. Purpose: Many studies has been made to find a simple method which induces chemical bond, now various bonding system is applied to clinic. In this experiment, shear bond strengths of heat-cured denture base resin to the surface-treated Co-Cr alloy were measured before and after thermocycling. Chemically treated groups with Alloy $Primer^{TM}$, Super-Bond $C&B^{TM}$, and tribochemically treated group with $Rocatec^{TM}$ system were compared to the beadtreated control group. The data were analyzed with two-way ANOVA. Result: 1. Shear bond strength of bead-treated group is highest, and Alloy $Primer^{TM}$ treated group, Super-Bond $C&B^{TM}$ treated group, RocatecTM system treated group were followed. Statistically significant differences were found in each treated group(p<0.05). 2. Surface treatment and thermocycling affected shear bond strength(p<0.05), however there was no interaction between two factors(p>0.05). 3. Shear bond strengths of bead-treated group and Alloy $Primer^{TM}$ treated group showed no statistically significant difference before and after thermocycling(p>0.05), and those of Super-Bond $C&B^{TM}$ treated group and $Rocatec^{TM}$ system treated group showed statistically significant difference after thermocycling(p<0.05).