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전체 선택해제
총 786건 검색
본문검색 결과만 보기
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다중위상필터(Poly Phase Filter)를 이용한 VHF용 Low-IF 수신기 설계
김성도, 박동운, 오승엽, Kim. Seong-Do, Park. Dong-Woon, Oh. Seung-Hyeub 한국통신학회 한국통신학회논문지. The journal of Korea Information and Communications Society. 무선통신 8 Pages
한국통신학회 한국통신학회논문지. The journal of Korea Information and Communications Society. 무선통신 2010, Vol.35 482-489 (8 pages)
본 논문에서는 RF PPF(Poly Phase Filter)를 이용하는 이미지 제거회로에서 광대역의 모든 RF 신호를 한꺼번에 Quadrature 신호로 변환시키는 기존 구조와 다르게 광대역의 RF 신호를 여러 개의 협대역(Narrow band)으로 세분화시켜 Quadrature 신호로 변환시키는 새로운 구조의 주파수 가변형 협대역 DQ-IRM(Double-Quadrature Image Rejection Mixer) 구조를 제안하였다. 기저대역에서 선택한 채널과 그 인접 2-3개 채널이 포함된 협대역 RF 신호만을 선택적으로 Quadrature 신호로 변환시키는 이 구조는 RF PPF의 차수를 줄일 수 있기... -
The effects of low-level laser therapy in patients with wrist pain
Jerrold S. Petrofsky, Wendy Chung, Lesley De Fazio, Holly Harris, Michael Laymon, Ha-neul Lee 물리치료재활과학회 Physical Therapy Rehabilitation Science 6 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2014, 제 3권 제 1호 1 1-6 (6 pages)
Objective: Low level laser treatment (LLLT) is widely used in physical therapy practice. It is combined with physical therapy or LLLT alone. The purpose of this study is to evaluate the effectiveness of LLLT on patients’ perception of general wrist pain. Design: Longitudinal study. Methods: Forty-eight subjects with wrist pain who were in the age range of 18-70 years old were examined. The subjects were asked, via an interview and a visual analog scale, to grade their wrist pain. They were... -
Differential expression of thymic DNA repair genes in low-dose-rate irradiated AKR/J mice
Jin Jong Bong, Yu Mi Kang, Suk Chul Shin, Seung Jin Choi, Kyung Mi Lee, Hee Sun Kim 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 3호 6 271-279 (9 pages)
We previously determined that AKR/J mice housed in a low-dose-rate (LDR) (Cs, 0.7 mGy/h, 2.1 Gy) γ-irradiation facility developed less spontaneous thymic lymphoma and survived longer than those receiving sham or high-dose-rate (HDR) (Cs, 0.8 Gy/min, 4.5 Gy) radiation. Interestingly, histopathological analysis showed a mild lymphomagenesis in the thymus of LDR-irradiated mice. Therefore, in this study, we investigated whether LDR irradiation could trigger the expression of thymic genes involved... -
Low numbers of intestinal Shiga toxin-producing E. coli correlate with a poor prognosis in sheep infected with bovine leukemia virus
Witold A. Ferens, Julius Haruna, Rowland Cobbold, Carolyn J. Hovde* 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 4호 6 375-380 (6 pages)
Healthy ruminants carry intestinal Shiga toxin (Stx)- producing Escherichia coli (STEC). Stx has antiviral activities in vitro and STEC numbers correlate with reduced early viremia in sheep experimentally infected with bovine leukemia virus (BLV). This study assessed the impact of intestinal STEC on BLV-induced disease for one year post-BLV-challenge. High STEC scores (CFU/g feces × frequency of STEC-positive samples) correlated with good health, whereas poor weight gain, distress, and... -
Seroprevalence of low pathogenic avian influenza (H9N2) and associated risk factors in the Gyeonggi-do of Korea during 2005-2006
Jong-Tae Woo, Bong Kyun Park* 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 2호 6 161-168 (8 pages)
Between November 2005 and March 2006, a total of 253 poultry flocks in the Gyeonggi-do of Korea were examined for seroprevalence against avian influenza (AI) using a hemagglutination inhibition (HI) test and an agar gel precipitation test. No low pathogenic avian influenza (LPAI) virus was isolated from 47 seropositive flocks that lacked clinical signs during sampling. The unadjusted percentage of seroprevalence rates of layer and broiler flocks were not significantly different, i.e., 26%... -
Frequencies of Micronuclei in Peripheral Lymphocytes in Korean Populations after Chronic Low-dose Radiation Exposure
Mi-Young An and Tae-Hwan Kim 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2002, 제 3권 제 3호 11 213-218 (6 pages)
The purpose of this study was to estimate predictive markers of intrinsic radiosensitivity in individuals who were exposed to occupational or environmental radiation. Throughout this process, the actual biohazard risks and base-line chromosome damage were evaluated in human population. Further studies were carried out to provide evidence for the existence of individual variations in age-dependent responses through micronuclei (MN) assay. Spontaneous frequencies not only vary greatly between... -
Androgen Receptor-dependent Expression of Low-density Lipoprotein Receptor-related Protein 6 is Necessary for Prostate Cancer Cell Proliferation
EunPark, EunKyoungKim, MinkyoungKim, JungMinHa, YoungWhanKim, SeoYeonJin, HwaKyoungShin, HongKooHa, JeongZooLee, SunSikBae 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.3 7 235-240 (6 pages)
Androgen receptor (AR) signaling is important for prostate cancer (PCa) cell proliferation. Here, we showed that proliferation of hormone-sensitive prostate cancer cells such as LNCaP was significantly enhanced by testosterone stimulation whereas hormone-insensitive prostate cancer cells such as PC3 and VCaP did not respond to testosterone stimulation. Blocking of AR using bicalutamide abolished testosterone-induced proliferation of LNCaP cells. In addition, knockdown of AR blocked... -
Functional Characterization of ABCB4 Mutations Found in Low Phospholipid-Associated Cholelithiasis (LPAC)
TaeHeeKim, HyoJinPark, JiHaChoi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.6 8 525-530 (6 pages)
Multidrug resistance 3 (MDR3) is expressed on the canalicular membrane of the hepatocytes and plays an important role in protecting the liver from bile acids. Altered ABCB4 gene expression can lead to a rare hepatic disease, low phospholipid-associated cholelithiasis (LPAC). In this study, we characterized 3 ABCB4 mutations in LPAC patients using various in vitro assay systems. We first measured the ability of each mutant to transport paclitaxel and then the mechanisms by which these mutations... -
Low Levels of after School-Hours Social Interaction and Physical Activity of 5-7 Year Olds
Anita Bundy, Lina Engelen, Geraldine Naughton, Shirley Wyver 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 14 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2018, Vol.12 No.2 5 79-92 (14 pages)
As part of a cluster randomized controlled trial (Bundy et al., 2017), the after school-hours activities of 5-7 year old children were recorded by parents and other adult carers on four consecutive weekdays between 3:30pm-7:00pm. Records of time use showed most time was spent indoors in activities involving low levels of physical activity. The most-frequently-recorded activity was screen time, accounting for approximately one quarter of all activities. Higher levels of physical activity were... -
The effects of stacking sequence on the penetration-resistant behaviors of T800 carbon fiber composite plates under low-velocity impact loading
Furqan Ahmad, Jung-Wuk Hong, Heung Soap Choi, Soo-Jin Park, Myung Kyun Park 한국탄소학회 Carbon Letters 9 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.2 6 107-115 (9 pages)
Impact damages induced by a low-velocity impact load on carbon fiber reinforced polymer (CFRP) composite plates fabricated with various stacking sequences were studied experimentally. The impact responses of the CFRP composite plates were significantly affected by the laminate stacking sequences. Three types of specimens, specifically quasi-isotropic, unidirectional, and cross-ply, were tested by a constant impact carrying the same impact energy level. An impact load of 3.44 kg, corresponding to... -
동방결절에서 과분극에 의해 활성화되는 내향전류에 대한 Cyclic-GMP의 영향 Effects of Cyclic-GMP on Hyperpolarization-activated inward Current (If) in Sino-atrial Node Cells of Rabbit
유신, 호원경, 엄융의, ShinYoo, Won-KyungHo, YungEEarm 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.6 14 731-739 (9 pages)
The aim of present study is to investigate the effects of cGMP on hyperpolarization activated inward current (If), pacemaker current of the heart, in rabbit sino-atrial node cells using the whole-cell patch clamp technique. When sodium nitroprusside (SNP, 80μM), which is known to activate guanylyl cyclase, was added, If amplitude was increased and its activation was accelerated. However, when If was prestimulated by isopreterenol (ISO, 1μM), SNP reversed the effect of ISO. In the absence of... -
Zero-Crossing 복조기를 위한 $0.5{mu}m$ CMOS FM 라디오 수신기
김성웅, 김영식, Kim. Sung-Woong, Kim. Young-Sik 대한전자공학회 電子工學會論文誌. Journal of the Institute of Electronics Engineers of Korea. SD, 반도체 6 Pages
대한전자공학회 電子工學會論文誌. Journal of the Institute of Electronics Engineers of Korea. SD, 반도체 2010, Vol.47 No.2 100-105 (6 pages)
수신기는 Low-IF 구조를 기초로 설계되었으며, Low-Noise Amplifier (LNA), Down-Conversion Mixer, Phase locked loop (PLL), Low-pass filter (LPF), 비교기를 포함하는 RF/Analog 집적회로로 개발되었다. 측정결과 LNA와 Mixer를 포함하는 RF Block은 23.2dB의 변환 이득과 입력 PldB는 -14dBm였고 전체 잡음지수는 15 dB로 나타났다. IF단 LPF와 비교기를 포함하는 Analog Block은 89dB 이상의 전압 이득을 가지고, IC내부의 레지스터를 제어하여 600KHz에서 1.3MHz까지 100KHz 단위로 Passband 대역를 조절할 수 있도록 설계되었다.... -
The Effects of Abdominal Draw-in Maneuver on Hip, Abdominal Muscle Activation Pattern and Trunk, Pelvic Displacement during One Leg Standing
Jeong-Hoon Lee, Nam-Goo Kang, Byeong-Jin Kim, Jong-Gil Seo, Jae-Seop Oh 한국임상움직임치료학회 한국임상움직임치료학회지 9 Pages
한국임상움직임치료학회 한국임상움직임치료학회지 2021, 제 1권 제 1호 5 35-43 (9 pages)
Background : The one-leg standing (OLS) test is a method of evaluating trunk stability. The transverse abdominis (TrA) is an important muscle that contributes to trunk stability during functional movement through abdominal draw-in maneuver (ADIM). The gluteus medius (Gmed) is also important for functional movement and for stability of the hip joints in the muscles that prevent lateral deviation of the trunk in OLS. During ADIM, the Gmed, TrA and internal oblique (IO) muscles are activated. It... -
Pressure pain threshold and visual analogue scale changes in the high and low energy extracorporeal shock wave
You-Jin Yang, Seung-Joon Lee, Matthew Choi 물리치료재활과학회 Physical Therapy Rehabilitation Science 6 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2014, 제 3권 제 2호 10 142-147 (6 pages)
Objective: This study aims to investigate high energy and low energy extracorporeal shockwave therapy (ESWT) and which one is more effective for shoulder pain. Design: Single blind randomized controlled trial. Methods: Fifty two subjects with upper trapezius (UT) trigger point (TrP) participated in this study. They were allocated to high energy (n=26) and low energy group (n=26). This study applies ESWT and investigates the changes of pressure pain threshold (PPT) and visual analogue scale... -
The effects of low level laser radiation on bacterial growth
Wendy Chung, Jerrold S. Petrofsky, Michael Laymon, Jason Logoluso, Joon Park, Judy Lee, Ha-neul Lee 물리치료재활과학회 Physical Therapy Rehabilitation Science 7 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2014, 제 3권 제 1호 4 20-26 (7 pages)
Objective: The low level lasers currently in the market vary in wavelength, dosage, and frequency. These devices are used with much different clinical pathology. Most notably, some studies claim that wounds heal faster with low level laser therapy due to the fact that bacteria commonly found in wounds are killed by laser light. Systemic and meta-analysis studies found the difficulty of comparison of numerous research studies because of differences in the intensities and frequencies of low level... -
The effects of active release technique on the gluteus medius for pain relief in persons with chronic low back pain
Sa-jin Tak, Yong-woo Lee, Won-jae Choi, Gyu-chang Lee 물리치료재활과학회 Physical Therapy Rehabilitation Science 4 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2013, 제 2권 제 1호 5 27-30 (4 pages)
Objective: Low back pain is a primary of source of dysfunction and economic costs. Gluteus medius muscle co-activation and activity pattern change caused the low back pain. Active release technique (ART) is a patented, non-invasive, soft tissue treatment process that both locates and breaks down the scar tissue and adhesions. The purpose of this study was to assess the effects on chronic low back pain using ART on gluteus medius so that suggest usable treatment method for treating chronic low... -
Relationship of trunk muscle atrophy and provocation position in patients with chronic low back pain
Doo Chul Shin, Chang Ho Song 물리치료재활과학회 Physical Therapy Rehabilitation Science 5 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2012, 제 1권 제 1호 6 28-32 (5 pages)
Objective: The purpose of this study is to compare chronic low back pain patients pain provocation position so as to identify the relevance with lumbar stabilizing muscles atrophy and pain provocation position. Design: Cross-sectional study. Methods: Fifty five chronic low back pain patients were participated in this study. Subjects were eligible for study participation if they were 35-55 years old and had experienced low back pain for more than 3 months. Subjects were questioned about pain and... -
Students’ attitudes toward online learning during the pandemic era -focusing on practice courses at a university of education
Lee Yun-Jung 경인교육대학교 교육연구원 The Journal of Education 18 Pages
경인교육대학교 교육연구원 The Journal of Education 2020, Vol.3 No.2 4 59-76 (18 pages)
Through a survey conducted among 64 students at a Gyeongin university of education during the COVID-19 pandemic, this research explores students’ attitude toward online learning, compares them with previous research outcomes, invites student suggestions for better learning, and analyzes their responses to find any intrinsic structure of learning performance. In a similar way to previous research, this study produces the pros (strength) and cons (weakness) of online education as follows. First,... -
Co-administration of dextrin and Lactobacillus species facilitates protection against influenza virus infection in mice
Sol Jeong, Ha Na Youn, Seong Su Yuk, Jung Hoon Kwon, Jin Yong Noh, Woo Taek Hong, Jei Hyun Jeong, Gyeong Bin Kwon, Erdene Ochir Tseren O 대한수의학회 대한수의학회 학술대회발표집 1 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 232 462-462 (1 pages)
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Ultrasonographic ovarian dynamic, plasma progesterone, and non-esterified fatty acids in lame postpartum dairy cows
Pedro Melendez, Veronica Gomez, Hans Bothe, Francisco Rodriguez, Juan Velez, Hernando Lopez, Julian Bartolome, Louis Archbald 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 16 462-467 (6 pages)
The objective of this study was to compare ovulation rate, number of large ovarian follicles, and concentrations of plasma progesterone (P4) and non-esterified fatty acids (NEFA) between lame (n = 10) and non-lame (n = 10) lactating Holstein cows. The study was conducted in an organic dairy farm, and cows were evaluated by undertaking ultrasonography and blood sampling every 3 days from 30 days postpartum for a period of 34 days. Cows which became lame during the first 30 days postpartum... -
Production of transgenic pigs using a pGFAP-CreERT2/EGFP LoxP inducible system for central nervous system disease models
Seon-Ung Hwang, Kiyoung Eun, Junchul David Yoon, Hyunggee Kim, Sang-Hwan Hyun 대한수의학회 Journal of Veterinary Science 12 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 13 434-445 (12 pages)
Transgenic (TG) pigs are important in biomedical research and are used in disease modeling, pharmaceutical toxicity testing, and regenerative medicine. In this study, we constructed two vector systems by using the promoter of the pig glial fibrillary acidic protein (pGFAP) gene, which is an astrocyte cell marker. We established donor TG fibroblasts with pGFAP-CreERT2/LCMV-EGFPLoxP and evaluated the effect of the transgenes on TG-somatic cell nuclear transfer (SCNT) embryo development. Cleavage... -
Comparison of the effects of isoflurane versus propofolremifentanil anesthesia on oxygen delivery during thoracoscopic lung lobectomy with one-lung ventilation in dogs
Jiyoung Park, Hae-Beom Lee, Seong Mok Jeong 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 12 426-433 (8 pages)
This study compared effects of isoflurane inhalation (ISO) and propofol-remifentanil combined total intravenous anesthesia (TIVA) on oxygenation during thoracoscopic lung lobectomy with 30-min one-lung ventilation (1LV). Thoracoscopic right middle lung lobectomy was performed in ten dogs divided into ISO and TIVA groups, and cardiopulmonary parameters were measured with blood gas analysis. Throughout the study, isoflurane was inhaled up to 1.5%, and the infusion rates of propofol and... -
Optimal scan delay depending on contrast material injection duration in abdominal multi-phase computed tomography of pancreas and liver in normal Beagle dogs
Soo-Young Choi, In Lee, Ji-Won Seo, Hyun-Young Park, Ho-Jung Choi, Young-Won Lee 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 15 555-561 (7 pages)
This study was conducted to establish the values for optimal fixed scan delays and diagnostic scan delays associated with the bolus-tracking technique using various contrast material injection durations in canine abdominal multi-phase computed tomography (CT). This study consisted of two experiments employing the crossover method. In experiment 1, three dynamic scans at the porta hepatis were performed using 5, 10 and 15 sec injection durations. In experiment 2, two CT scans consisting of five... -
Paclitaxel inhibits the hyper-activation of spleen cells by lipopolysaccharide and induces cell death
Hyun-Ji Kim, Hong-Gu Joo 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 3 453-458 (6 pages)
Paclitaxel was isolated from the bark of the Pacific yew, Taxus brevifolia, and used as an anticancer agent. Paclitaxel prevents cancer cell division by inhibiting spindle fiber function, inducing cell death. A recent study demonstrated that paclitaxel binds to myeloid differentiation protein-2 of Toll-like receptor 4 and prevents the signal transduction of lipopolysaccharide (LPS). Paclitaxel converts immune cells hypo-responsive to LPS. In this study, we investigated whether paclitaxel can... -
Time-course changes in the expression levels of miR-122, -155, and -21 as markers of liver cell damage, inflammation, and regeneration in acetaminophen-induced liver injury in rats
Hyun-Kyu Park, Woori Jo, Hyun-Ji Choi, Sungwoong Jang, Jae-Eun Ryu, Hyo-Ju Lee, Hyojin Lee, Hyejin Kim, Eun-Sil Yu, Woo-Chan Son 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 1호 6 45-51 (7 pages)
Drug-induced liver injury (DILI) is a significant threat to patient health and a major concern during drug development. Recently, multiple circulating microRNAs (miRNAs) have been reported to be potential biomarkers for DILI. To adapt and validate miRNAs for clinical use, we investigated the time-course changes in miR-122 expression levels in an acetaminophen-induced liver injury model in rats. In addition, miR-155 and miR-21 were evaluated as makers of inflammation and regeneration,... -
Laparoscopic ovariectomy in dogs: comparison between laparoendoscopic single-site and three-portal access
Angelo E. Tapia-Araya, Idoia D?az-G?emes Martin-Portugu?s, Laura Fresno Bermejo, Francisco Miguel S?nchez-Margallo 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 4호 17 525-530 (6 pages)
This study was conducted to evaluate the feasibility and therapeutic safety of laparoendoscopic single-site ovariectomy (LESS-OVE) and 3-portal laparoscopic ovariectomy (Lap-OVE) in dogs. Ten female mixed breed dogs were included in the study. Dogs were divided into group 1 (LESS-OVE; n = 5) and group 2 (Lap-OVE; n = 5). All procedures were performed by laparoscopic-skilled surgeons, and the anesthetic protocol was the same for all patients. In both groups, the ovarian vascular pedicle and... -
Occurrence and characterization of livestock-associated methicillin-resistant Staphylococcus aureus in pig industries of northern Thailand
Prapas Patchanee, , Pakpoom Tadee, Orapun Arjkumpa, David Love, Karoon Chanachai, Thomas Alter, Soawapak Hinjoy, Prasit Tharavich 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 4호 10 529-536 (8 pages)
This study was conducted to determine the prevalence of livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) in pigs, farm workers, and the environment in northern Thailand, and to assess LA-MRSA isolate phenotypic characteristics. One hundred and four pig farms were randomly selected from the 21,152 in Chiang Mai and Lamphun provinces in 2012. Nasal and skin swab samples were collected from pigs and farm workers. Environmental swabs (pig stable floor, faucet, and feeder)... -
Distribution, quantitative load and characterization of Salmonella associated with swine farms in upper-northern Thailand
Pakpoom Tadee, Kittipong Kumpapong, Danai Sinthuya, Panuwat Yamsakul, Nipa Chokesajjawatee, Supachai Nuanualsuwan, Suchawan Porn 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 2호 20 327-334 (8 pages)
This study was conducted to analyze the prevalence and quantitative loads of Salmonella spp. on pig farms in Chiang Mai, Lamphun, Thailand to assess loading levels before slaughtering. The serotype diversity, antimicrobial-resistance pattern and pulse-field type of Salmonella spp. were also characterized to assess the dynamic propagation of the pathogen. The Salmonella-positive prevalence was 246/805 (30.56%), and the quantitative loads varied from 1.48∼4.04 Log10MPN/g, with a mean ± standard... -
Development of a multiplex loop-mediated isothermal amplification assay to detect shiga toxin-producing Escherichia coli in cattle
Hee-Jin Dong, Ae-Ri Cho, Tae-Wook Hahn, Seongbeom Cho* 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 2호 19 317-325 (9 pages)
A multiplex loop-mediated isothermal amplification (mLAMP) assay was developed for simultaneous detection of the stx1 and stx2 genes and applied for detection of shiga toxin-producing Escherichia coli (STEC) in cattle farm samples. Two target genes were distinguished based on Tm values of 85.03 ± 0.54C for stx1 and 87.47 ± 0.35C for stx2. The mLAMP assay was specific (100% inclusivity and exclusivity), sensitive (with a detection limit as low as 10 fg/μL), and quantifiable (R = 0.9313). The... -
Radiation up-regulates the expression of VEGF in a canine oral melanoma cell line
Irene Flickinger*, Barbara C Rütgen, Wilhelm Gerner, Ivana Calice, Alexander Tichy, Armin Saalmüller, Miriam Kleiter 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 2호 13 207-214 (8 pages)
To evaluate radiosensitivity and the effects of radiation on the expression of vascular endothelial growth factor (VEGF) and VEGF receptors in the canine oral melanoma cell line, TLM 1, cells were irradiated with doses of 0, 2, 4, 6, 8 and 10 Gray (Gy). Survival rates were then determined by a MTT assay, while vascular endothelial growth factor receptor (VEGFR)-1 and -2 expression was measured by flow cytometry and apoptotic cell death rates were investigated using an Annexin assay.... -
Sporozoite proteome analysis of Cryptosporidium parvum by one-dimensional SDS-PAGE and liquid chromatography tandem mass spectrometry
AMAM Zonaed Siddiki* 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 2호 1 107-114 (8 pages)
Despite the development of new technologies, new challenges still remain for large scale proteomic profiling when dealing with complex biological mixtures. Fractionation prior to liquid chromatography tandem mass spectrometry (LC-MS/MS) analysis is usually the preferred method to reduce the complexity of any biological sample. In this study, a gel LC-MS/MS approach was used to explore the stage specific proteome of Cryptosporidium (C.) parvum. To accomplish this, the sporozoite protein of C.... -
Exendin-4 improves resistance to Listeria monocytogenes infection in diabetic db/db mice
Hsien Yueh Liu, Chih-Yao Chung, Wen-Chin Yang, Chih-Lung Liang, Chi-Young Wang, Chih-Yu Chang, Cicero Lee-Tian Chang* 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 3호 5 245-252 (8 pages)
The incidence of diabetes mellitus is increasing among companion animals. This disease has similar characteristics in both humans and animals. Diabetes is frequently identified as an independent risk factor for infections associated with increased mortality. In the present study, homozygous diabetic (db/db) mice were infected with Listeria (L.) monocytogenes and then treated with the anti-diabetic drug exendin-4, a glucagon-like peptide 1 analogue. In aged db/db mice, decreased CD11b macrophage... -
A modified method for inducing periodontitis in dogs using a silk-wire twisted ligature
Se Eun Kim, Eui Ri Lee, Yesran Lee, Manbok Jeong, Young Woo Park, Jae Sang Ahn, Jeong Taek Ahn, Kangmoon Seo* 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 2호 11 193-197 (5 pages)
This study was designed to assess the effectiveness of a modified silk ligature twisted with wire for inducing advanced periodontitis. Periodontitis was induced in five premolars and one molar of 20 healthy dogs over a 60-day period. The dogs were divided into four groups according to the ligature- inducing materials used: soft moistened food only, wire ligature (WL), silk ligature (SL) and twisted ligature with silk and wire (SWL). Periodontal indices were recorded, and dental radiographs were... -
Relationship among blood indicators of lipomobilization and hepatic function during early lactation in high-yielding dairy cows
Felix Diaz González*, Rodrigo Muiño, Víctor Pereira, Rómulo Campos, José Luis Benedito 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 3호 8 251-255 (5 pages)
Blood indicators are used as a tool to diagnose metabolic disorders. The present work was conducted to study the relationships among blood indicators of lipomobilization and hepatic function in high-yielding dairy cows. Two groups of Holstein cows were studied: 27 early lactation cows and 14 mid lactation cows from four different herds with similar husbandry characteristics in Galicia, Spain. Blood samples were obtained to measure beta-hydroxybutyrate (BHB), non-esterified fatty acids (NEFA),... -
Distribution and characterization of IL-10-secreting cells in lymphoid tissues of PCV2-infected pigs
Alan R. Doster, Sakthivel Subramaniam, Ji-Young Yhee, Byung-Joon Kwon, Chi-Ho Yu, So-Young Kwon, Fernando A. Osorio, Jung-Hyang 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 3호 1 177-183 (7 pages)
Distribution and characterization of interlukin-10 (IL-10)- secreting cells in lymphoid tissues of pigs naturally infected with porcine circovirus type 2 (PCV2) were evaluated in accordance with PCV2 antigen detection. After screening a total of 56 pigs showing the symptoms of postweaning multisystemic wasting syndrome (PMWS), 15 pigs were PCV2 positive and 5 pigs, which showed stronger positive signals over multiples tissues were further investigated. This study showed that in PCV2-infected... -
Effect of multi-planar CT image reformatting on surgeon diagnostic performance for localizing thoracolumbar disc extrusions in dogs
Jason B. King, Jeryl C. Jones, John H. Rossmeisl Jr*, Tisha A. Harper, Otto I Lanz, Stephen R. Werre 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 3호 8 225-232 (8 pages)
Accurate pre-operative localization and removal of disc material are important for minimizing morbidity in dogs with thoracolumbar disc extrusions. Computed tomography (CT) is an established technique for localizing disc extrusions in dogs, however the effect of multi-planar reformatting (MPR) on surgeon diagnostic performance has not been previously described. The purpose of this study was to test the effect of MPR CT on surgeon diagnostic accuracy, certainty and agreement for localizing... -
Imaging evaluation of the liver using multi-detector row computed tomography in micropigs as potential living liver donors
Jung Min Ryu, Dong Hyun Kim, Min Young Lee, Sang Hun Lee, Jae Hong Park, Seung Pil Yun, Min Woo Jang, Seong Hwan Kim, Gyu Jin Rh 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 2호 1 93-98 (6 pages)
The shortage of organ donors has stimulated interest in the possibility of using animal organs for transplantation into humans. In addition, pigs are now considered to be the most likely source animals for human xenotransplantation because of their advantages over non-human primates. However, the appropriate standard values for estimations of the liver of micropigs have not been established. The determination of standard values for the micropig liver using multi-detector row computed tomography... -
Effects of L-NAME, a non-specific nitric oxide synthase inhibitor, on AlCl3-induced toxicity in the rat forebrain cortex
Ivana D. Stevanović*, Marina D. Jovanović, Ankica Jelenković, Miodrag Čolić, Ivana Stojanović, Mil 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 1호 3 15-22 (8 pages)
The present experiments were done to determine the effectiveness of a non-specific nitric oxide synthase inhibitor, N-nitro-L-arginine methyl ester (L-NAME), on oxidative stress parameters induced by aluminium chloride (AlCl3) intrahippocampal injections in Wistar rats. Animals were sacrificed 3 h and 30 d after treatments, heads were immediately frozen in liquid nitrogen and forebrain cortices were removed. Crude mitochondrial fraction preparations of forebrain cortices were used for the... -
The C-terminal variable domain of LigB from Leptospira mediates binding to fibronectin
Yi-Pin Lin, Yung-Fu Chang* 대한수의학회 Journal of Veterinary Science 12 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 2호 3 133-144 (12 pages)
Adhesion through microbial surface components that recognize adhesive matrix molecules is an essential step in infection for most pathogenic bacteria. In this study, we report that LigB interacts with fibronectin (Fn) through its variable region. A possible role for LigB in bacterial attachment to host cells during the course of infection is supported by the following observations: (i) binding of the variable region of LigB to Madin-Darby canine kidney (MDCK) cells in a dose-dependent manner... -
An inactivated vaccine to control the current H9N2 low pathogenic avian influenza in Korea
Jun Gu Choi, Youn Jeong Lee, *, Yong Joo Kim, Eun Kyoung Lee, Ok Mi Jeong, Haan Woo Sung, Jae Hong Kim, Jun Hun Kwon1 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 1호 9 67-74 (8 pages)
The H9N2 subtype low pathogenic avian influenza is one of the most prevalent avian diseases worldwide, and was first documented in 1996 in Korea. This disease caused serious economic loss in Korea's poultry industry. In order to develop an oil-based inactivated vaccine, a virus that had been isolated in 2001 (A/chicken/Korea/01310/ 2001) was selected based on its pathogenic, antigenic, and genetic properties. However, in animal experiments, the efficacy of the vaccine was found to be very low... -
Establishment of a bovine leukemia virus-free dairy herd in Korea
Guk Hyun Suh, Jeong Chi Lee, Chai Yong Lee, Tai Young Hur, Dong Soo Son, Byeong Seog Ahn, Nam Chul Kim, Chung Gil Lee 대한수의학회 Journal of Veterinary Science 4 Pages
대한수의학회 Journal of Veterinary Science 2005, 제 6권 제 3호 9 227-230 (4 pages)
In view of the high prevalence rate of bovine leukemia virus (BLV)infections in cattle over the entire country, a large dairy farm in Chungnam province was chosen and'test and segregate' program was instituted. On July 1999, ELISA test was performed on 491 animals on the farm and only 163 cattle (139 adult cows, 18 female and 6 male calves)were BLV-seronegative. From February 2000 through April 2004, the seronegative group was placed in barns 1,500 to 2,000 m from seropositive group and... -
Development of a Lightcycler-based reverse transcription polymerase chain reaction for the detection of foot-and-mouth disease virus
Jae Ku Oem, Soo Jeong Kye, Kwang Nyeong Lee, Yong Joo Kim, Jee Yong Park, Jong Hyeon Park, Yi Seok Joo, Hee Jong Song 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2005, 제 6권 제 3호 6 207-212 (6 pages)
One step TaqMan real-time reverse transcription polymerase chain reaction (R/T RT-PCR)using a set of primers/probes was developed for the detection of foot-and-mouth disease (FMD)virus. The gene-specific probes labeled fluorogen for the internal ribosomal entry site, Leader sequence and 2B regions were used to detect FMD virus (FMDV). This assay specifically detected FMDV both in cell culture preparations and clinical samples, and was capable of distinguishing FMD from other viral diseases... -
Isolation of cholesterol-lowering lactic acid bacteria from human intestine for probiotic use
Hyeong-Jun Lim, So-Young Kim, Wan-Kyu Lee 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 4호 16 391-395 (5 pages)
Cholesterol-lowering effect of lactic acid bacteria (LAB: Streptococcus, Lactobacillus and Bifidobacterium) is well-known. Thus, we investigated LAB isolated from human intestine on the cholesterol-lowering effect in vitro. Seven Streptococcus (61.1%), 11 Lactobacillus (71.8%) and 7 Bifidobacterium (27.9%) were isolated as acid (pH 2.5 and 3.0) and bile (0.3% oxgall) tolerant strains. Streptococcus HJS-1, Lactobacillus HJL-37 and Bifidobacterium HJB-4 were finally selected as probiotic strains...
