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본문검색 결과만 보기
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Digital Tomosynthesis Imaging of the Chest : Comparison of Patient Exposure Dose and Image Quality between Default Setting and Use Additional Filter
김계선, 안성민, 김성철, Kim. Kye-Sun, Ahn. Sung-Min, Kim. Sung-Chul 한국콘텐츠학회 한국콘텐츠학회논문지 7 Pages
한국콘텐츠학회 한국콘텐츠학회논문지 2013, Vol.13 No.9 288-294 (7 pages)
흉부 디지털토모장치는 가장 발달한 촬영방법중의 하나이지만 일반 흉부촬영방법에 비해 환자의 피폭선량이 높다는 단점이 있다. 이런 이유 때문에 본 연구는 흉부 디지털토모영상에서 부가여과를 사용하여 환자선량을 저감시키는 방법을 검토하여 보았으며, 화질의 변화도 실험하였다. 그 결과 부가여과가 없는 장치의 기본상태에서 피부입사선량, 면적선량, 실효선량은 1.95 mGy, 17.66 $dGycm^2$, 0.133 mSv로, 부가여과사용시는 0.312 mGy, 2.27 $dGy.cm^2$, 0.052 mSv로 나타나 선량이 각 각 66.2%, 73.6%, 57.4%로 감소하였다.... -
Exposure Index변화에 따른 Image Quality와 Effective dose에 대한 연구: a Monte Carlo Simulation Study
김현수, 정재호, 이종웅, Kim. Hyun Soo, Jeong. Jae Ho, Lee. Jong Woong 한국방사선학회 한국방사선학회 논문지 7 Pages
한국방사선학회 한국방사선학회 논문지 2013, Vol.7 No.1 63-69 (7 pages)
평판 검출기(flat-panel detector)는 필름-스크린 시스템과 비교하여 넓은 범위의 노출지수(dynamic range)를 갖게 된다. 평판 검출기를 대상으로 임상에서 일반적으로 사용하고 있는 Abdomen supine 노출 조건인 81kV에 20mAs를 기준으로 전신형 팬텀 whole body human phantom PBU-50 (Kyoto, kagaku, Japan)을 모의 환자로 화질평가와 피폭선량측면에서 비교 연구하였다. PSNR값이 30dB이상으로 판독 가능한 영상의 kV변화에 따른 DAP값은 약 19.6배 차이를 나타냈다. 또한 kV변화에 따른 유효선량을 ICRP 103을 기준으로 비교한 결과... -
Studies on the Reference Korean and Estimation of Radiation Exposure Dose - PHYSICAL STANDARD AND ESTIMATION OF INTER-EXTERNAL RADIATION EXPOSURE DOSE -
Kim. Yung-J., Lee. Kang-S., Chun. Ki-J., Kim. Jong-B., Chung. Gook-H., Kim. Sam-R. 대한방사선방어학회 방사선방어학회지 10 Pages
대한방사선방어학회 방사선방어학회지 1982, Vol.7 No.1 1-10 (10 pages)
표준한국인(標準韓國人)의 체위(體位)와 내(內).외부(外部) 피폭선량(被曝線量)을 추정(推定)하기 위하여 한국인(韓國人)의 신장(身長), 체중(體重), 체표면적(體表面積)을 포함(包含)한 체위(體位)와 음식물섭취량(飮食物攝取量) 방사능물질섭취량(放射能物質攝取量) 그리고 환경방사능(環境放射能)에 의한 피폭선량(被曝線量)을 조사분석(調査分析)하여 다음과 같은 결론(結論)을 얻었다. 1) 표준한국인(標準韓國人)의 년령군(年齡群)은 남녀(男女) 모두 $20{sim}30$세(歲)이며 남자(男子)에 있어서의 신장(身長)은 167cm, 체중(體重)은... -
Facial Exposure Dose Assessment During Intraoral Radiography by Radiological Technologists
유환, 양한준, Yu. Hwan, Yang. Hanjoon 대한방사선과학회 방사선기술과학 7 Pages
대한방사선과학회 방사선기술과학 2014, Vol.37 No.3 195-201 (7 pages)
본 연구에서는 구내 촬영시 방사선작업종사자와 X선관 사이 거리의 증가에 따라 방사선작업종사자의 안면부 피폭선량 감소의 변화를 측정하고자 하였다. 우선 인체조직과 유사한 안면부 Phantom을 제작하였다. 구내 촬영 장치를 이용하여 촬영조건을 성인 상악 대구치부 노출조건 (60kVp, 10mA. 50msec)과 소아 상악 대구치부 노출조건 (60kVp, 10mA, 20msec)으로 설정 하고 방사선작업종사의 안면부의 위치에 Chamber를 고정시켰다. X선 관구와 Phantom을 Chamber로 부터 10cm, 15cm, 20cm, 25cm, 30cm, 35cm, 40cm 위치시킨 후 각... -
Analysis of Relationship Between Injection Dose and Exposure Dose in PET/CT Scan: Initial Study
박훈희, 유광열, Park. Hoon-Hee, Lyu. Kwang-Yeul 대한방사선과학회 방사선기술과학 7 Pages
대한방사선과학회 방사선기술과학 2011, Vol.34 No.4 351-357 (7 pages)
PET/CT 검사에서 $^{18}F$-FDG가 가장 널리 이용되며, 장비의 물리적 특성에 따라 환자 주입 $^{18}F$-FDF량이 다르게 권고되고 있다. 또한 검사 특성상 방사선종사자와 환자의 접촉으로 인하여 방사선의 피폭이 불가피하기에 본 연구에서는 각기 다른 PET/CT 장비를 대상으로 환자에게 주입되는 $^{18}F$-FDG가 방사선종사자에게 미치는 피폭선량과의 관계를 분석하였다. 총 3대의 각각 다른 PET/CT(Scanner1(S1): 0.15 mCi/kg, Scanner2(S2): 0.17 mCi/kg, Scanner3(S3): 0.12 mCi/kg)를 대상으로 각 장비에 숙련도를 고려하여 총 6명의... -
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... -
Dose-response functional gene analysis by exposure to 3 different polycyclic aromatic hydrocarbons in human hepatocytes
Song. Mi-Kyung, Kim. Youn-Jung, Song. Mee, Choi. Han-Seam, Ryu. Jae-Chun 대한독성유전단백체학회 Molecular & cellular toxicology 12 Pages
대한독성유전단백체학회 Molecular & cellular toxicology 2011, Vol.7 No.3 221-232 (12 pages)
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Pre- and Postnatal Combined Exposure with Nicotine and Acetaldehyde Accelerates Kidney Dysfunction in Mouse Offsprings
Myung Sik Ju, Hye Jong Oh, Seul Gi Park, Sl Bi Chu, Chun mei Lin, Jung Min Yon, Beom Jun Lee, Young Won Yun, Sang Yoon Nam 대한수의학회 대한수의학회 학술대회발표집 1 Pages
대한수의학회 대한수의학회 학술대회발표집 춘계학술심포지움 119 200-200 (1 pages)
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A 2-week Dose Range Finding Study of KMRC01, Salmonella flagellin-derived TLR 5 agonist, administered by intramuscular injection in Cynomolgus Monkeys
Hong Soo Lee, Son Il Pak, Doo Wan Cho, Woo Jong Lee, Chi Min Choi, Dong Hun Jung, Su Cheol Han 대한수의학회 대한수의학회 학술대회발표집 1 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 180 309-309 (1 pages)
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Postnatal exposure to a progestin does not prevent uterine adenogenesis in domestic dogs
Tamara Ponchon, Mariana Lopez Merlo, Marcela Faya, Marcelo Priotto, Claudio Barbeito, Cristina Gobello 대한수의학회 Journal of Veterinary Science 3 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 1호 14 111-113 (3 pages)
To assess the effects of a single supraphysiological postnatal administration of a progestogen on uterine glands in dogs, 10 females were randomly assigned to a medroxyprogesterone acetate 35 mg (MPA; n = 6) or placebo (n = 4) group within the first 24 h of birth. The safety of the treatment was also evaluated. A transient mild clitoris enlargement appeared in MPA-treated females. Microscopic postpubertal uterine assessment revealed the presence of uterine glands in all cases without significant... -
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)
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 in the DNA repair process of AKR/J mice. The... -
Induction of apoptotic lesions in liver and lymphoid tissues and modulation of cytokine mRNA expression by acute exposure to deoxynivalenol in piglets
Osamu Mikami, Hiroyuki Yamaguchi, Hideo Murata, Yasuyuki Nakajima, Shigeru Miyazaki 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 2호 3 107-113 (7 pages)
6 h PI and a decrease of IL-18 mRNA at 24 h PI were observed in the spleen. IL-1b and IL-6 mRNA expressions increased significantly at 6 h PI in the thymus, but TNF-a decreased at 6 h PI in the mesenteric lymph nodes. These results show the apoptosis of hepatocytes suggesting the hepatotoxic potential of DON, in addition to an immunotoxic effect on the modulation of proinflammatory cytokine genes in lymphoid organs with extensive apoptosis of lymphocytes induced by acute exposure to DON in pigs. -
Amifostine ameliorates recognition memory defect in acute radiation syndrome caused by relatively low-dose of gamma radiation
Hae-June Lee, Joong-Sun Kim, Myoung-Sub Song, Heung-Sik Seo, Miyoung Yang, Jong Choon Kim, Sung-Kee Jo, Taekyun Shin, Changjong 대한수의학회 Journal of Veterinary Science 3 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 1호 12 81-83 (3 pages)
in adult mice with the relatively low-dose exposure of acute radiation syndrome (ARS). These were assessed using object recognition memory test, the terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling assay, and immunohistochemical markers of neurogenesis [Ki-67 and doublecortin (DCX)]. Amifostine treatment (214 mg/kg, i.p.) prior to irradiation significantly attenuated the recognition memory defect in ARS, and markedly blocked the apoptotic death and decrease of Ki-67- and... -
Changes of biomarkers with oral exposure to benzo(a)pyrene, phenanthrene and pyrene in rats
Hwan Goo Kang, Sang Hee Jeong*, Myung Haing Cho, Joon Hyoung Cho 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 4호 8 361-368 (8 pages)
of biomarkers after PAH exposure, rats were treated with BaP (150 ■g/kg) alone or with PH (4,300 ■g/kg) and PY (2,700 ■g/kg) (BPP group) by oral gavage once per day for 30 days. 7-ethoxyresorufin-O-deethylase activity in liver microsomal fraction was increased in only BaP groups. The highest concentration (34.5 ng/g) of BaP, was found in muscle of rats treated with BaP alone at 20 days of treatment; it was 23.6 ng/g in BPP treated rats at 30 days of treatment. The highest PH concentration was... -
Exposure to genistein does not adversely affect the reproductive system in adult male mice adapted to a soy-based commercial diet
Beom Jun Lee, Jong-Koo Kang, Eun-Yong Jung, Young Won Yun, In-Jeoung Baek, Jung-Min Yon, Yoon-Bok Lee, Heon-Soo Sohn, Jae-Yong L 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 3호 7 227-234 (8 pages)
Genistein, a soybean-originated isoflavone, is widely consumed by humans for putative beneficial health effects but its estrogenic activity may affect adversely the development of male reproductive system. Five-week-old ICR mice were purchased and fed with a soybean-based Purina Chow diet until 6 months of age. The animals were exposed by gavage to genistein (2.5 mg/kg/day) or 17β-estradiol (7.5μg/kg/day) for five weeks. Corn oil was used for the negative control. The animals were fed the... -
The effects of cyclophosphamide treatment on the pathogenesis of subgroup J avian leukosis virus (ALV-J) infection in broiler chickens with Marek's disease virus exposure
Yongbaek Kim, Thomas P. Brown and Mary J. Pantin-Jackwood 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 1호 7 49-58 (10 pages)
flow cytometry. Chickens in this experiment had Mareks disease virus exposure prior to three weeks of age as determined by the presence of lymphocytic infiltration and antibody. Virus neutralizing antibody against ALV-J was first observed at 6 weeks post-infection in some of the infected chickens in the PBS group. As expected, none of the chickens from the CY group and uninfected chickens developed virus-neutralizing antibody. The viremic status was measured by real time RT-PCR using SYBR green... -
Effects of cyclosporin A treatment on the pathogenesis of avian leukosis virus subgroup J infection in broiler chickens with Marek’s disease virus exposure
Yongbaek Kim, Thomas P. Brown, Mary J. Pantin-Jackwood 대한수의학회 Journal of Veterinary Science 11 Pages
대한수의학회 Journal of Veterinary Science 2003, 제 4권 제 3호 8 245-255 (11 pages)
In this study, we investigated the effects of T-cell suppression on the pathogenesis of subgroup J avian leukosis virus (ALV-J). Chickens were treated with cyclosporin A (CSP) 50 mg/Kg body weight or a corresponding volume of olive oil per every three days after hatching until the end of experiment. Some of the chickens from each treatment group were infected with an isolate of ALV-J, ADOL-7501, at 2 weeks of age. The effects of viral infection were compared to uninfected birds in same treatment... -
Dose-Incidence Relationships on the Prenatal Effects of Gamma-Radiation in Mice
Sung Ho Kim, Jong Hwan Lee, Yun Sil Lee, Cha Soo Lee, Tae Hwan Kim, Se Ra Kim, Dae Won Bang, Heon Oh 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2002, 제 3권 제 1호 2 7-11 (5 pages)
evaluate dose-incidence relationships on the prenatal effects of gamma-radiation. Pregnant ICR mice were exposed on day 11.5 after conception, coincident with the most sensitive stage for the induction of major congenital malformations, with 0.5-4.0 Gy of gamma- radiations. The animals were sacrificed on day 18 of gestation and the fetuses were examined for mortality, growth retardation, change in head size and any other morphological abnormalities. With increasing radiation dose, incidence of... -
Influence of gestational age at exposure on the prenatal effects of gamma-radiation
Sung-ho Kim, Se-ra Kim, Yun-sil Lee, Tae-hwan Kim, Sung-kee Jo, Cha-soo Lee 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2001, 제 2권 제 1호 6 37-42 (6 pages)
The objective of this investigation was to evaluate the influence of gestational age at exposure on the prenatal effects of gamma-radiation. Pregnant ICR mice were exposed to a single dose of 2.0 Gy gamma-radiation at a gestational 2.5 to 15.5 days post-coitus (p.c.). The animals were sacrificed on day 18 of gestation and the fetuses were examined for mortality, growth retardation, change in head size and any other morphological abnormalities. The only demonstrable effect of irradiation during... -
Influence of rutin on the effects of neonatal cigarette smoke exposure-induced exacerbated MMP-9 expression, Th17 cytokines and NF-kB/iNOS-mediated inflammatory responses in asthmatic mice model
Li-Li Liu, Yan Zhang, Xiao-Fang Zhang, Fu-Hai Li 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2018, Vol.22 No.5 2 481-491 (11 pages)
Allergic asthma is one of the most enduring diseases of the airway. The Thelper cells and regulatory T-cells are critically involved in inflammatory responses, mucus hypersecretion, airway remodelling and in airway hyper-responsiveness. Cigarette smoke (CS) has been found to aggravate inflammatory responses in asthma. Though currently employed drugs are effective, associated side effects demand identification and development of novel drugs with negligible or no adverse effects. Rutin,... -
Effects on G2/M Phase Cell Cycle Distribution and Aneuploidy Formation of Exposure to a 60 Hz Electromagnetic Field in Combination with Ionizing Radiation or Hydrogen Peroxide in L132 Nontumorigenic Human Lung Epithelial Cells
HeeJin, HyeEunYoon, Jae-SeonLee, Jae-KyungKim, SungHoMyung, Yun-SilLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.2 6 119-124 (6 pages)
The aim of the present study was to assess whether exposure to the combination of an extremely low frequency magnetic field (ELF-MF; 60 Hz, 1 mT or 2 mT) with a stress factor, such as ionizing radiation (IR) or H2O2, results in genomic instability in non-tumorigenic human lung epithelial L132 cells. To this end, the percentages of G2/M-arrested cells and aneuploid cells were examined. Exposure to 0.5 Gy IR or 0.05 mM H2O2 for 9 h resulted in the highest levels of aneuploidy; however, no cells... -
Changes of Hemodynamics and Renal Function due to Acute Cadmium Exposure in Rats
Jae-JoongKim, YungKyuKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2006, Vol.10 No.3 4 137-142 (6 pages)
anesthetized Sprague-Dawley male rats were greatly decreased after single-dose of Cd treatment without significant changes in heart rate. There was a fluid-shift into the third space and/or -loss through the kidney, since plasma Na concentration and hematocrit ratio were significantly increased by acute Cd exposure. The present study showed that the sustained hypotensive effect of single-dose Cd on the cardiovascular system might have resulted from the systemic hypovolemia. Furthermore,... -
Pulse Exposure to Ethanol Augments Vascular Contractility Through Stress Response
Eun-KyoungYangInKyeomKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2001, Vol.5 No.1 7 47-53 (7 pages)
stress factor on vasculature and indirectly modulates vascular contractility. After end of exposure to 1, 2.5 and 5% ethanol for 45 min, rat aortic strips were subjected to contractile responses, immunoblot for Hsp70 and the measurement of levels of myosin light chain phosphorylation. Exposure to 5% ethanol not only augmented contractions to KCl or phenylephrine, but also increased expression of Hsp70 and the levels of myosin light chain phosphorylation. There were no significant differences in... -
Effect of Sedative Dose of Propofol on Neuronal Damage after Transient Forebrain Ischemia in Mongolian Gerbils
Seong-RyongLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.1 10 73-79 (7 pages)
or a subanesthetic dose of propofol. In terminal deoxynucleotidyl transferase (TdT)-mediated dUTP nick end-labeling (TUNEL) assay, semiquantitative analysis of dark-brown neuronal cells was made in the hippocampal CA1 area. There was no significant difference in the degree of TUNEL staining in the hippocampal CA1 area between vehicle-treated and propofol-treated animals. These results show that subanesthetic dose of propofol does not reduce delayed neuronal cell death following transient global... -
Effects of In Vitro Exposure to Silica on Bioactive Mediator Release by Alveolar Macrophages
Lee, Ji-Hee 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1995, 제 29권 제 1호 1 1-12 (12 pages)
wide variety of toxic and inflammatory mediators as well as mitogenic growth factors. In the present study, the effects of in vitro exposure to silica on release of various mediator such as reactive oxygen species, platelet activating factor(PAF), and interleukin-1 (IL-1) by alveolar macrophages were examined. First, hydrogen peroxide release from alveolar macrophages was monitored by measuring the change in fluorescence of scopoletin in the absence or presence of graded concentration of silica.... -
Effect of Environmental Enrichment on Cognitive Impairment-induced by Ethanol Exposure in Adolescent Rat
Yoon Ju Kim, Jong Min Park, Min Kyung Song, Ho Hyun Seong, Youn Jung Kim 한국기초간호학회 Journal of Korean Biological Nursing Science 6 Pages
한국기초간호학회 Journal of Korean Biological Nursing Science 2016, Volume 18, No 4 10 274-279 (6 pages)
higher alterations than the standard environment+ethanol group in Y-maze test (p<.05). In hippocampus, The environmental enrichment+ethanol group showed significantly higher level of the number of c-fos positive celsl and density of tropomyosin receptors kinase B receptor than the standard environment+ethanol group (p<.05). Conclusion: So, we suggested that the environmental enrichment played a role as a prophylaxis for prevention of memory impairment induced by ethanol exposure in adolescence. -
THE BIDAS-2007: BIOASSAY DATA ANALYSIS SOFTWARE FOR EVALUATING A RADIONUCLIDE INTAKE AND DOSE
Lee. Jong-Il, Lee. Tae-Young, Kim. Bong-Whan, Kim. Jang-Lyul 한국원자력학회 Nuclear engineering and technology : an international journal of the Korean Nuclear Society 6 Pages
한국원자력학회 Nuclear engineering and technology : an international journal of the Korean Nuclear Society 2010, Vol.42 No.1 109-114 (6 pages)
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Assessment of dose effects on image quality at chest computed radiography
강보선, Kang. Bo-Sun 한국방사선학회 한국방사선학회 논문지 6 Pages
한국방사선학회 한국방사선학회 논문지 2011, Vol.5 No.6 421-426 (6 pages)
영상화질을 얻을 수 있는 최적 선량을 찾는 것이다. 영상화질 평가를 위해서 다양한 선량에서의 MTF, NNPS, 그리고 NEQ를 측정하였으며, MTF 측정과 실험장치 구성은 International Electrotechnical Commission(IEC)에서 제시한 절차에 따라 수행하였다. 실험 결과를 통해 흉부진단의 경우 자동노출조절 (Automatic Exposure Control, AEC) 제어반에서 자동으로 설정해주는 선량의 절반 선량으로도 필요한 영상화질이 얻어짐을 알 수 있었다. 본 연구를 통해 AEC에서 제시하는 선량이 최적 선량이 아니며 화질평가를 통해서 얻어진... -
Computed Radiography에서 Additional Filtration Material에 따른 Radiation Dose와 Image Quality의 변화
권순무, 조형욱, 강영한, 김부순, 김정수, Kwon. Soon-Mu, Cho. Hyung-Wook, Kang. Yeong-Han, Kim. Boo-Soon, Kim. Jung-Su 대한방사선과학회 방사선기술과학 8 Pages
대한방사선과학회 방사선기술과학 2014, Vol.37 No.4 239-246 (8 pages)
필터는 저에너지 X선을 흡수함으로써 평균에너지를 증가시키고, 환자의 피폭선량을 감소시키는 작용을 한다. 본 연구는 Mo과 W 등의 재질이 디지털 방사선영상장치인 CR에서도 사용이 가능한지 SNR, FOM, histogram 등의 영상평가와 선량 측정을 통해 확인하였다. 또한 필터의 재질에 따른 선질측정과 함께 관전압의 변화에 따른 적합한 필터 조합을 찾아보았다. 피부입사선량은 Mo필터가 Cu필터에 비해 42~56%까지 선량 경감효과가 있었고, 투과선량도 Mo필터가 Cu필터보다 1.5배 정도 높게 나타났다. 영상 평가에서 W은 필터로 사용함에... -
Effect of low intensity pulsed ultrasound in activating the mitogen-activated protein kinase signaling pathway and inhibition inflammation cytokine synthesis in chondrocytes
Eun-Jung Kim, Gye-Yeop Kim 물리치료재활과학회 Physical Therapy Rehabilitation Science 5 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2014, 제 3권 제 1호 6 33-37 (5 pages)
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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 use of laser Doppler blood flow to assess the effect of acute administration of vitamin D on micro vascular endothelial function in people with diabetes
Jerrold Petrofsky, Faris Alshammari, Iman Akef Khowailed, Riya Lodha, Pooja Deshpande, Praveen Rajaram, Mahendra Gaikwad, Vidhi Vadera 물리치료재활과학회 Physical Therapy Rehabilitation Science 7 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2013, 제 2권 제 2호 1 63-69 (7 pages)
Objective: To assess the effect of vitamin D administration on the skin blood flow response to occlusion and heat. Design: Cross-sectional study. Methods: Twenty age matched subjects; 10 who had diabetes and 10 who were controls were administered 4,000 IU of vitamin D3 for 3 weeks at breakfast. The function of the endothelial cells was evaluated in 2 ways; first, the response to 4 minutes of vascular occlusion of the skin was measured with a laser Doppler flow meter. Second, the skin blood flow... -
Effects of Ulmus davidiana Concentrate in Acute Lung Injury Model
Ye ram Rhee, Gi Beum Kim, Shang Jin Kim, Jin Shang Kim, Hyung Sub Kang 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 283 489-490 (2 pages)
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Common Residues Increase Stability in the Serotypes O,C, Asia1 Foot-and-Mouth Disease Virus
Mi Kyeong Ko, Seo Yong Lee, Joo Hyeong Choi, Min Eun Park, Su Hwa Yoo, Ji Eun Chun, Kwang Nyeong Lee, Myoung Heon Lee, Jong Hyeon Park 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 195 438-439 (2 pages)
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Analysis of Rabies fluorescent antibody virus neutralization test (FAVN) Results from Dogs and Cats: Regarding PetQuarantine regulation change from 1 December 2012
Jeong Hwa So, Ju Yeon You, Young Wook Kim, Jin Kyoung Ha, Deok Ho Kang, Dae Gyun Kim 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 152 412-413 (2 pages)
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Brucellosis–current issues and next steps forward
Sascha Al Dahouk 대한수의학회 대한수의학회 학술대회발표집 4 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 1 11-14 (4 pages)
