Effects of environmental factors of light, temperature, nitrogen sources and water stress were analyzed quantitatively on the nodule formation and nitrogen fixation activity of autumn olive plant (Elaeagnu$ umbellala Thunb.) during the seedling growth. Seedlings showed the maximum nitrogenase activity of $72.5\;\mu\textrm{M}\;C_2H_4{\cdot}g\;fr\;wt\;nodule^{-1}{\cdot}h^{-1}$ in the early nodulation stage. The relative growth rate and T/R ratio changed from $1.60%{\cdot}d^{-1}$ and 1.12 in the earlier stage to $3.75%{\cdot}d^{-1}$ and 2.31 in the later stage, respectively. light conditions of 20-25, 1015 and 4-6% resulted in decreases of 41, 54 and 71% of the nitrogenase activity, respectively. Nodules incubated in 15, 20, 25 and $30^{\circ}C$ showed the activities of 5.4, 24.7, 51.6 and $58.5\;\mu\textrm{M}\;C_2H_4{\cdot}g\;fr\;wt\;nodule^{-1}{\cdot}h^{-1}$ respectively. Pretreatment with low temperature ($15^{\circ}C$) followed incubation at $30^{\circ}C$ attained higher nitrogenase activity ($66.5\;\mu\textrm{M}\;C_2H_4{\cdot}g\;fr\;wt\;nodule^{-1}{\cdot}h^{-1}$) than that with higher temperature ($35^{\circ}C$). The oxygen pressure above 16 kPa is necessary for saturation of the nodule activity, but the activity was inhibited severely by physical impact such as the exision or isolation of nodules from the root. The relative activities of early nodules grown in pH 5.5, 6.5 and 8.0 were 89, 100 and 40% and those grown in 1 and 3 mM of $NO_3\;and\;NH_4$ were 6, 1 and 68, 50%, respectively. Watering levels of 20, 50 and 100 mL during the seedling growth resulted in 35, 120 and 8 mg of nodule formation and 33.6, 58.4 and $8.4\;\mu\textrm{M}\;C_2H_4{\cdot}g\;fr\;wt\;nodule^{-1}{\cdot}h^{-1}$ of the nitrogenase activity, respectively. Water stress with 86% decrease of soil water content caused temporary wilting point of leaf and a complete disappearance of nitrogenase activity of nodules, though the water content and transpiration rate in plant were reduced to 90 and 53%, respectively.tively.
KR-31378 is a new drug candidate intended for the use in the prevention of ischemia-reperfusion damage. The objective of this preformulation study was to determine the physicochemical properties of KR-31378. The n-octanol to water partition coefficients of KR-31378 were 0.0504 at pH 3 and 0.8874 at pH 10. Accelerated stability of KR-31378 in solution and solid state was studied at 5, 40, $60^{\circ}C$. The stability testing indicated that the t90 for the drug in solid was estimated to be 2 years and 128.6 days at $25^{\circ}C$, while the that in aquesou solution was 68.6 days at $25^{\circ}C$. The KR-31378 was also found to be unstable under the relative humidity of 76%, probably because of the hygroscopic nature of the drug. In order to study compatibility of KR-31378 with typical excipients, potential change in differential scanning calorimetry spectrum was studied in 1:1 binary mixtures of KR-31378 and Aerosil, Avicel, Eudragit, lactose, PEG, talc, CMC, PVP, starch. As a result, CMC, PVP, and starch were found to be incompatible with KR-31378, indicating the addition of these excipients may complicate the manufacturing of the formulation for the drug. Particle size distribution of KR-31378 powder was in the size range of 9-93 $\mu$ m with the mean particle size of 37.9 $\mu$ m. The flowability of KR-31378 was apparently inadequate, indicating the granulation may be necessary for the processing of the drug to solid dosage forms. Crystallization of the drug with a number of organic solvents did not lead a crystalline polymorphism. In addition, dissolution of the drug from the powder was adequately rapid at $37^{\circ}C$ in water.
The present study investigated stocking density and genetic lines, factors that may alter the severity and incidence of angel wing (AW), in White Roman geese. Geese (n = 384) from two genetically selected lines (normal- winged line, NL, and angel-winged line, AL, respectively) and one commercial line (CL) were raised in four pens. Following common commercial practice, low-stocking-density (LD), medium-stocking-density, and high-stocking-density treatments were respectively administered to 24, 32, and 40 geese per pen at 0 to 3 weeks ($1.92m^2/pen$) and 4 to 6 weeks ($13.2m^2/pen$) of age and to 24, 30, and 36 geese at 7 to 14 weeks ($20.0m^2/pen$) of age. The results revealed that stocking density mainly affected body weight gain in geese younger than 4 weeks, and that geese subjected to LD had a high body weight at 2 weeks of age. However, the effect of stocking density on the severity score of AW (SSAW) and incidence of AW (IAW) did not differ significantly among the treatments. Differences were observed among the genetic stocks; that is, SSAW and IAW were significantly higher in AL than in NL and CL. Genetic selection generally aggravates AW, complicating its elimination. To effectively reduce IAW, stocking density, a suspected causal factor, should be lower than that presently applied commercially.
This study was performed to investigate the effects of regular exercise on dietary factors and obesity indices among 407 healthy adult males subjects. Subjects were classified into regular exercise group (REG) and irregular exercise group (IREG). Two hundred and thirteen subjects of REG excercised regularly 3 times (more than 30 minutes/time) per week during more than last 1 month or more. One hundred and ninety-four of IREG (n = 194) didn't regularly exercise during the last 1 month. Obesity indices were BMI (Body Mass Index), WHR (Waist Hip Ratio) and PIBW (Percentage of Ideal Body Weight). And the mean BMI, WHR and PIBW of REG were (22.1, 0.90 and 105.8) significantly lower than those of IREG (25.7, 0.98 and 117.7) respectively. The mean daily starches, seeds, meats, eggs, fish, milk, fats and processed food intakes of REG were significantly lower than those of IREG And the mean daily vegetables, mushrooms and beverages intakes of the IREG were significantly lower than REG. Energy intake of REG and IREG were 1968.2 kcal and 1978.9 kcal respectively. Vitamin C intake of IREG was significantly lower than REG. But niacin and cholesterol intake of REG were significantly lower than the IREG. Exercise regularity was positively related with obesity indices and dietary factors. Therefore, it is necessary to exercise regularly to prevent obesity and cardiovascular disease in Korean adult males.
An elbow orthosis with a pneumatic rubber actuator has been developed to assist and enhance upper limb movements and has been examined for the effectiveness. The effectiveness of the elbow orthosis was examined by comparing muscular activities during alternate dumbbell curl exercises with and without the orthosis. The subjects participated in the experiment were younger adults in their twenties. The subjects were instructed to perform dumbbell curl motion in a sitting position with and without orthosis in turn and a dynamometer was used to measure elbow joint torque outputs in an isovelocity mode. The measurements were done with four various dumbbell loads: 0 kg, 1 kg, 3 kg, and 5 kg. The orthosis was pneumatically actuated and controlled in a passive mode. The most comfortable air pressure to the pneumatic actuator was determined to be 0.294MPa. Electromyography(EMG) was also measured during curl exercises. The muscles of interest were biceps brachii(BB), triceps brachii(TB), brachioradialis(Bo), and flexor carpi ulnaris(FCU) in the upper limbs. The experimental results showed that the muscular activities themselves significantly reduced with elbow orthosis on in performing similar activities without orthosis. As a result of this experiment, the effectiveness of the developed upper limb orthosis was confirmed and the level of assistance was quantified.
In this research traditional Buddhist dietary life style was studied as an alternative for both saving water and decreasing water pollution from household. A traditional dietary life style for the Buddhist monks, called Balwoo Gongyang, and its modernized one for citizens, called Dish Gongyang were examined with water use amount, wastewater quality and pollutant loading rate, and were compared with the kitchen wastewater from household. And several types of natural detergent were also examined to compare their effect on the wastewater quality and pollutant loading rate. This research was carried out using the wastewater from Balwoo and Dish Gongyang in J building located in Seoul. Wastewater generation from Balwoo Gongyang that was about $1.0{\ell}$/capita/day was very low compare to that from dish washing in normal household($32.6{\ell}$/capita/day). In case of Dish Gongyang, water generation was 1.8 times higher than that from Balwoo Gongyang, but it was just 1/19.2 of normal household. When the wastewater quality of Balwoo Gongyang was compared with the kitchen wastewater of normal household, SS was 1/16($15mg/{\ell}$), COD was 1/7($22.1mg/{\ell}$), BOD was 1/9($24.1mg/{\ell}$) and T-N was 1/16($1.7mg/{\ell}$). Pollutant loading rate from Balwoo Gongyang was very low, COD 18.0 mg/capita/day, SS 12.3 mg/capita/day and it was 1/290, 1/639 of that from dish washing wastewater from normal household, respectively. Pollutant loading rate from Dish Gongyang was also low 1/13(SS)~1/144(TN) compared to dish washing wastewater from normal household. As a natural detergent, used water from washing rice showed very low pollutant loading rate. It was concluded that Dish Gongyang that was a modernized and simplified dietary life style of Balwoo Gongyang, was very eco-friendly. Especially when it was combined with natural detergents using by-product from cooking process, its effect on the water pollution was very low.
Purpose: To quantify the effect of the crystallization process on lithium disilicate ceramic crowns that are fabricated using a computer-aided design/computer-aided manufacturing(CAD/CAM) system, and to determine whether they are clinically acceptable by comparing values before and after the crystallization process. Methods: The maxillary first molar was selected as the abutment for the experiments. Ten working models were prepared. Marginal and internal gap of 4 groups of lithium disilicate crowns(n=10) fabricated with conventional method. Comparison was performed using the silicone replica technique and 3D superimposition analysis. The marginal and internal gaps of the restoration were measured before and after the crystallization process of this prosthesis. The average value of each part(the average of values measured before and after the crystallization) was statistically analyzed using paired t-test(α=0.05). Results: The results from the second phase of this research, which compared the average value of the gap between the marginal and internal fits of the lithium disilicate single crown before and after the crystallization process, indicated that the marginal gap was larger and the internal gap was smaller after the crystallization process, and this difference was statistically significant (P<0.05) in all the parts evaluated. Conclusion: While the shrinkage that occurs during crystallization does affect the marginal and internal fit of the prosthesis, it cannot be concluded to be a major effect because the resultant distortion was within the clinically acceptable range.
Park, Jae-Woo;Jun, Hyung-Joon;Cho, Chong-Kwan;Lee, Yeon-Weol
Journal of Korean Traditional Oncology
/
v.17
no.1
/
pp.9-16
/
2012
Objective : The aim of this study is to evaluate the synergistic effects of Traditional Korean Medicine with Gefitinib chemotherapy on a non small cell lung cancer. Methods : A 61 year-old male patient diagnosed with left non small cell lung cancer stage IIIb (T2aN0M1a) was admitted to East-West Cancer Center (EWCC) on Apr. 2012. He received Gefitinib chemotherapy since 20th June. 2011. He suffered from many complication like as skin toxicities, peripheral neuropathy, lassitude, diarrhea and so on. He was treated with Traditional Korean Medicine consisted of herbal medicine, acupuncture, and moxibustion. The symptoms were measured by Common Terminology Criteria for Adverse Events (CTCAE version 3.0) and visual analogue scale (VAS). Performance status was measured by Eastern Cooperative Oncology Group (ECOG). Results : TKM consisting of acupuncture, moxibusion, herbal medicine significantly alleviated Gefitinib induced complication. Quality of life was also significantly improved. Conclusion : This case study suggests that TKM would beneficial to adverse effects such as skin toxicities, peripheral neuropathy, lassitude from gefitinib.
Tonsil is rich in lymphatics, blood vessels, muscle, nearby nerve fibers and epithelium. All of these are potential sources of malignancy. Malignancy of the tonsils is an uncommon entity that accounts for little more than 0.5% of new malignancies in the United States every year. Approximately, more than 70% of malignancies in this region are squamous cell carcinoma. In this report, I introduce a case of 47 year male patient who has right tonsillar cancer that is squamous cell carcinoma(T4N3M0). After three times chemotherapy, the patient refused to get conventional western medical treatment including chemotherapy and surgical operation. After 8 month of traditional oriental medical treatment using allegen removed Rhus Verniciflua Stokes(ARV), the size of cancer mass decreased and mass showed necrosis at inner portion. The patient improved pain in the neck. More case will be needed in order to determine the effect of ARV on tonsillar cancer.
Purpose: To know the differences of the proton MR spectroscopic features of the liver between th patients with graft-versus-host disease (GVHD) and without GVHD (non-GVHD) after to marrow transplantation (BMT), and to evaluate the possibility to discriminate GVHD fro non-GVHD by analysis of the in vivo proton MR spectra. Method: We evaluated the in vivo proton MR spectra from the livers of 37 patients wh underwent BMT. Our series included 14 cases with GVHD and 23 without GVHD in the liver. Nineteen men and 18 women were included in our series. All cases of GVHD and 2 o non-GVHD were confirmed by liver biopsy and remaining of non-GVHD by evaluation clinical follow up. Proton MR spectroscopy (1H-MRS) was performed at 1.5T GE Sign Horizon (GE Medical System, Milwaukee, USA) system using localized proton STEAM sequence and body coil in all cases with subjects were located in supine position. N respiratory interruption was required during the spectroscopic signal acquisition. Paramete using in MRS were: TR = over 3000ms, TE = 30ms, number of scans = 128, voxel size = ($2{\times}2{\times}2$)$cm^3$, and one NEX. We evaluated the spectra with an attention to the differences o patterns of the peaks between GVHD and non-GVHD groups. The ratio of peak area of peaks at 1.6-4.1ppm to lipid (0.9-1.6ppm) [P(1.6-4.1ppm)/P(0.9-1.6ppm)] was calculated in GVHD and non-GVHD group, and compared the results between these groups. We als evaluated the sensitivity and specificity for discriminating GVHD from non-GVHD by anal of 1H-MRS.
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