• 한국약용작물학회지
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• 제8권1호
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• pp.29-40
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• 2000

신선초(神仙草)의 시설(施設) 양파재배시(養波載培時) 적정(適定) 고형배지(固形培地)를 구명(究明)하기 위하여 생육(生育), 수량(收量) 및 품질(品質)에 미치는 영향(影響)을 조사(調査)한 결과(結果)는 다음과 같다. 1. 지상부(地上部) 생육(生育)은 펄라이트와 버미큐라이트가 양호하였으며, 수량은 버미큐라이트가 4,428kg/l0a로서 노지재배 (1,904kg/l0a) 보다 133% 증수 하였다. 2. 엽록소함량(葉綠素含量)은 노지재배가 3.60mg/100cm2으로 가장 높았으며, 혼합배지+피트모스 40%가 2.51mg/100cm2 으로 가장 낮은 함량을 나타냈다. 3. 처리별 물 및 50% 에탄올 엑스수솔(收率)은 뚜렷한 차이가 없이 대체로 유사하였으며, 노지재배와 시설양액재배 간에도 별 차이가 없었다. 4. Na, K, Mg, Ca, P, Fe, Zn 등의 무기성분함량(無機成分含量)은 각 처리별 함량이 유사하였으며, 노지재배와 시설양액재배간에도 별 차이가 없었다. 5. 유기성함량(有機醒含量)은 malic acid와 citric acid가 주된 유기산성분으로 정량 되었으며, 시설양액재배와 노지재배가 대체로 유사한 경향이었다. 6. 조지방질함량(組脂防質含量)은 $4.46%{\sim}6.49%$로서 처리별로 유사한 함량을 나타냈으며, 총부관화방성(總不館和方醒) 조성비율이 $77.9%{\sim}80.2%$로 높은 편이었고, 특히 필수(必須) 부포화간조성(不胞和間助醒)인 linenic acid 와 linoleic acid의 함량이 높았으며, 시설양액재배와 노지재배간 지방산조성은 별 차이가 없었다. 7. 배지(培地)의 게르마늄含量은 $0.17ppm{\sim}0.24ppm$으로 별 차이가 없었으며, 식물체(植物體)의 게르마늄함량은 혼합배지+피트모스 40% 가 0.52ppm으로 가장 높았고, 혼합배지+피트모스 60% 가 0.48ppm으로 비교적 높았으며, 노지재배는 0.25ppm이었다.

• 한국식품영양과학회지
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• 제45권7호
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• pp.996-1000
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• 2016

검정콩의 안토시아닌 색소의 안정성에 대한 유기산(succinic acid), 금속이온($Cu^{2+}$), ascorbic acid, 당류(sucrose) 및 pH의 영향을 $4^{\circ}C$ 및 $40^{\circ}C$에서 저장기간별로 살펴보았다. 모든 처리구에서 $4^{\circ}C$는 copigment 처리 여부에 관계없이 안정하였지만 $40^{\circ}C$에서는 copigment 처리구가 안정하였다. Succinic acid 처리는 $40^{\circ}C$에서 무처리에 비해 7~15% 안정성이 향상되었다. $Cu^{2+}$ 처리는 안토시아닌 색소와 반응하여 안정화에 효과가 있었으며, $4^{\circ}C$에서는 저장 8일차까지 100%로 유지되었다. Ascorbic acid 처리는 안정성을 저하했으며 $40^{\circ}C$에서는 무처리에 비해 64~72% 감소하였다. Sucrose 처리는 무처리에 비하여 효과가 작았으며 온도가 높을수록 안정성이 감소하였다. pH는 낮을수록 안정성이 증가하였으며 $4^{\circ}C$에 비하여 $40^{\circ}C$가 낮았다. 특히 pH 7에서는 급격히 감소하였다. 이러한 결과로부터 검정콩 안토시아닌 색소 저장 안정성 향상을 위해서는 온도, 유기산 및 pH 조절이 효과적이라고 판단된다.

• 한국식품위생안전성학회지
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• 제20권4호
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• pp.272-276
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• 2005

청태를 다앙한 가공식품으로 개발하고 그 활용방안을 모색하기 위한 기초 자료를 얻기 위하여 청테의 화학성분을 분석한 결과는 다음과 같다. 무기질은 P(310.52 mg/100 g)의 함량이 가장 높았으며 그 다음이 K(48.65 m100 g), Ca(40.93 mg/100 g), Mg(27.57 mg/100 g), Na(14.35 mg/100 g), Fe(6.31 mg/100 g), Zn(4.40 mg/100 g), Cu(1.27 mg/100 g) 순으로 나타났다. 유리당은 sucrose가 125.97 mg/100 g, glucose 66.03 mg/100 g, fructose 57.21 mg/100 g이었다. 총지방질의 지방산 중 linoleic acid의 함량이 가장 높았고 그 다음이 oleic acid이었는데 이 두 지방산의 함량이 75$\%$이상을 차지하였다. 청태의 daidzein과 genistein의 함량은 각각 40.95 mg/100 g, 38.02mg/100 g이었으며 daidzeinen/genistein의 비율은 1.08로 daidzein이 더 높은 것으로 나타났다.

• Asian Pacific Journal of Cancer Prevention
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• 제14권8호
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• pp.4549-4552
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• 2013

The incidence of gastric cancer worldwide, and in particular in developing countries, has shown a marked increase. Poor prognosis of gastric cancer patients occurs due to the rapid metastasis of the disease via the lymphatic and blood vessels. The aim of this study was to investigate the expression and the clinical significance of D2-40 and CD34 in human gastric cancer. D2-40 and CD34 expression wasdetected in 1,072 cases of Chinese patients with gastric carcinoma using immunohistochemistry. The lymphatic vessel density (LVD) and microvessel density (MVD) were calculated and analyzed and the correlation with the clinicopathological factors and prognosis was determined. The LVD and MVD of the gastric cancer cases were significantly higher compared to those of normal tissues (P < 0.05). The expression of D2-40-LVD and CD34-MVD in the malignancies were positively related to the age, tumor size, invasion depth, lymphatic metastasis and pathological tumor-node-metastasis (pTNM) (P < 0.05); However, no statistically significant difference was identified between them with the patient gender (P > 0.05). Up-regulation of D2-40 and CD34 expression was significantly correlated with the poor survival rate in univariate and multivariate analyses. The LVD marked by D2-40 and the MVD marked by CD34 were positively correlated to the clinicopathological factors of the malignancies and may play important role in the development and progression of gastric cancer.

• Journal of Biosystems Engineering
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• 제40권1호
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• pp.10-18
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• 2015

Purpose: The study was conducted to investigate the proper working conditions like the mesh size of the concave and the chaffer angle of the oscillating sieve, and the fan speed of the head-feeding rice combine for foxtail millet harvesting. Methods: The study aimed to determine the harvesting conditions for the rice combine harvester at a 0.5 m/s working speed and at $40^{\circ}$ and $55^{\circ}$ sieve chaffer angles. The harvesting loss of the foxtail millet based on the speed of the fan and the oscillating speed of the sieve was measured at three levels of fan speed and oscillating sieve speed. Results: The threshing rates of different foxtail millet varieties were 64.1~83.5% at a mesh size of 7 mm of the concave. In experimental foxtail millet harvesting, the optimal operating condition of the rice combine harvester included a $40^{\circ}$ sieve chaffer angle and a 4.8 Hz oscillating sieve (cleaning shoe) frequency. The grain loss was found to be lower at a $40^{\circ}$ than at a $55^{\circ}$ sieve chaffer angle. In field harvesting using the combine harvester, the lowest harvesting grain loss rate of the foxtail millet varieties ranged between 0.2~0.5% at a 7 mm mesh concave, $40^{\circ}$ chaffer angle, 4.8 Hz sieve frequency, and a 20 m/s fan speed at an engine speed of 2,000 revolutions per minute (RPM). Conclusions: Findings showed that foxtail millet could be harvested using the combine harvester.

• 대한기계학회논문집A
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• 제40권3호
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• pp.253-258
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• 2016

입자강화복합재료를 이용하여 쐐기분열시험으로부터 얻은 파괴에너지, 균열진전 및 CTOD 에 대한 온도의 영향이 조사되었다. 이용된 재료는 고분자바인더, 산화제 및 알루미늄입자로 이루어져 있으며, 쐐기분열시편의 시험 속도는 50 mm/min 이고, 온도 조건은 $50^{\circ}C$, 상온, $-40^{\circ}C$, $-60^{\circ}C$이었다. 분열하중-CMOD 로부터 구한 파괴에너지는 $50^{\circ}C$에서 $-40^{\circ}C$까지 온도의 감소와 함께 증가한다. 또한 $-60^{\circ}C$에서 입자강화복합재료의 강도는 유리전이온도에 의해 급격히 증가하며 취성거동을 보였다. 그리고 디지털 이미지 상관법을 이용하여 균열 선단부근에 대한 변형률장이 분석되었다.

• Journal of Acupuncture Research
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• 제19권1호
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• pp.65-75
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• 2002

Objective : Since ancient times venepuncture has been widely used as a useful treatment for low back pain. This study is made in order to objectively evaluate the therapeutic effect of Weizhong(BL40) on low back pain. Methods : Total 46 cases of low back pain patients were divided into 2 groups; one group took only acupuncture therapy, and the other group took acupuncture and venepuncture therapy together. Each patient's pain was evaluated before the treatment and the 3 or 4 days later after the treatment. Pain rating score(PRS) was used to assess the pain for its intensity, frequency, duration, and aggravating factors. Results : Both acupuncture therapy group and acupuncture & venepuncture group showed good effect on low back pain. Though the latter group showed better pain release effect than the former, there was no statistical significance between pain rating score of two groups. Sciatica group showed no significant difference from non-sciatica group in pain rating score. Palpation on Weizhong(BL40) group showed significant difference only in pain duration from non-palpation group. Exposed vessel around Weizhong(BL40) group showed significant difference in pain rating score from non-exposed vessel group. Conclusion : Weizhong(BL40) venepuncture can be highly recommended as a useful therapy for low back pain patients especially who show exposed vessels on the popliteal area.

• Nuclear Engineering and Technology
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• 제55권7호
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• pp.2388-2394
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• 2023

The radioactivity concentration of environmental radionuclides was analyzed for soil and sand at eight locations within a radius of 255 m centered on the Dongnam Institute of Radiological & Medical Science (DIRAMS), Korea. The average activity concentrations of ⁴⁰K, ¹³⁷Cs, ²²⁶Ra, and ²³²Th were 661.1 Bq/kg-dry, 0.9 Bq/kg-dry, 21.9 Bq/kg-dry, and 11.1 Bq/kg-dry, respectively. The activity of ⁴⁰K and ¹³⁷Cs was lower than the 3-year (2017-2019) average reported by the Korea Institute of Nuclear Safety, respectively. Due to the nature of granite-rich soil, the radioactivity of ⁴⁰K was 0.6-fold higher than in other countries, while ¹³⁷Cs was in the normal fluctuation range (15-30 Bq/kg-dry) of the concentration of radioactive fallout from nuclear tests. The activity of ²²⁶Ra and ²³²Th was lower than in Korean soils reported by the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR). The average activity concentrations of ²³²Th and ⁴⁰K for the soil and sand samples from DIRAMS were within the range specified by UNSCEAR in 2000. The radium equivalent activity and internal and external hazard index values were below the recommended limits (1 mSv/y). These radionuclide concentration (²²⁶Ra, ²³²Th, ⁴⁰K, and ¹³⁷Cs) data can be used for regional environmental monitoring and ecological impact assessments of nuclear power plant accidents.

• IMMUNE NETWORK
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• 제4권3호
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• pp.143-154
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• 2004

Background: CD27 is recently known as a memory B cell marker and is mainly expressed in activated T cells, some B cell population and NK cells. CD27 is a member of tumor necrosis factor receptor family. Like CD40 molecule, CD27 has (P/S/T/A) X(Q/E)E motif for interacting with TNF receptor-associated factors (TRAFs), and TRAF2 and TRAF5 bindings to CD27 in 293T cells were reported. Methods: To investigate the CD27 signaling effect in B cells, human CD40 extracellular domain containing mouse CD27 cytoplamic domain construct (hCD40-mCD27) was transfected into mouse B cell line CH12.LX and M12.4.1. Results: Through the stimulation of hCD40-mCD27 molecule via anti-human CD40 antibody or CD154 ligation, expression of CD11a, CD23, CD54, CD70 and CD80 were increased and secretion of IgM was induced, which were comparable to the effect of CD40 stimulation. TRAF2 and TRAF3 were recruited into lipid-enriched membrane raft and were bound to CD27 in M12.4.1 cells. CD27 stimulation, however, did not increase TRAF2 or TRAF3 degradation. Conclusion: In contrast to CD40 signaling pathway, TRAF2 and TRAF3 degradation was not observed after CD27 stimulation and it might contribute to prolonged B cell activation through CD27 signaling.

• Journal of Acupuncture Research
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• 제20권5호
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• pp.208-226
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• 2003

Objective : Recently many studies have showed the evidence of the effect of the acupuncture treatment through scientific methods. One of these methods is functional MRI. We performed electro-acupuncture on St40 and observed the change of brain activation using fMRI. Methods : To see the effects of electro-acupuncture stimulation on Fenglong(St40), the experiment was carried out on six healthy volunteers, using the gradient echo sequence with 3.0T whole-body MRI system(ISOL). after the needle insertion on right Fenglong(St40), 2 Hz of electric stimulation was given for 30 seconds, repeated five times, with 30 seconds' intervals. Results & Conclussion : Electro-acupuncture stimulation on Fenglong(St40) activated Brodmann's Areas of 2, 3, 4, 6, 9, 10, 13, 18, 22, 30, 40, 42, 43 which may be the central pathways of electro-acupuncture stimulation on Fenglong(St40).