These studies were consist of two sub-experiment. In order to study the effect of Banhahubaktang on the Cell-cytotoxicity In vitro. We had put through MTT Assay. In order to investigate the effects of Banhahubaktang on the ICR mice which had Abdominal tumor induced by Sarcoma-180 cell line, C57BL/6 mice which had pulmonary melanoma induced by B16 cell line. After Sarcoma-180 cell line and B16 cell line were transplanted, the extract of Banhahubaktang was orally administered to the mice to observe the extension of survival time of the mice, inhibition of solid tumor, inhibition of pulmonary melanoma metastasis. productivity of Interleukin-2, NK-Activity. The results were summarized as follows: 1. On the MTT assay, in case of $100{\mu}g/ml$ and $10{\mu}g/ml$ of Banhahubaktang concentration were inhibited cell viability significantly. But $1{\mu}g/ml$ of Banhahubaktang was tended to inhibit cell viability with no significance. 2. In the effect of life extension, Banhahubaktang treated group appeared to survive longer than the control group, but which were not significant. 3. In the effect of inhibit solid tumor, Banhahubaktang treated group appeared to decrease than the control group, but which were not significant. 4. In the effect of inhibit melanoma pulmonary metastasis. Banhahubaktang treated group appeared to inhibit than the control group significantly. 5. In the productivity of Interleukin-2, on 7 and 14 day, Banhahubaktang treated group increased than control group, which were significant. But on 21 day, test group and control group were much in common. 6. In the NK-Activity, Banhahubaktang treated group and control group were much in common.
Journal of the Korean Applied Science and Technology
/
v.34
no.3
/
pp.657-665
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2017
This study is for checking the possibility of Lotus Rhizome and node of Lotus Rhizome as cosmetic materials. For this we carried out biological active evaluation about anti-oxidant, anti-inflammatory and anti-wrinkle by using ethanol extract of Lotus Rhizome and node of Lotus Rhizome. We extracted Lotus Rhizome and node of Lotus Rhizome with 95% ethanol and then in order to evaluate anti-oxidant activity we treated samples by concentrations (100, 500, 1000) ${\mu}g/mL$ and carried out 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging and The activity of 2, 2'-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) cation radical scavenging. Also, in order to evaluate effect of anti-wrinkle we carried out evaluation of Elastase inhibitory activity. To evaluate effect of anti-inflammatory we evaluated toxicity of samples through MTT assay with a macrophage (Raw 264.7 cells) and measured nitric oxide production inhibitory activity. As a result, DPPH radical scavenging activity of Lotus Rhizome and node of Lotus Rhizome at $1000{\mu}g/mL$ was 66.7% and 99.5%, respectively and ABTS + radical scavenging activity was 51.2% and 98.3% at the same concentration, respectively. Elastase inhibitory activity results showed that the nodes of the Lotus Rhizom extract excellent anti-wrinkle efficacy than Lotus Rhizom. Node of Lotus Rhizome showed higher anti-wrinkle activity than the positive the control group BHT at $1000{\mu}g/mL$ concentration. According to the result of nitric oxide production inhibitory activity, Lotus Rhizom showed 55.8% effect and nodes of the Lotus Rhizom showed 66.6% effect respectively. This showed that effect of anti-inflammatory was greater in nodes of the Lotus Rhizom extracts. As a result it suggests that Lotus Rhizome and node of Lotus Rhizome extracts can be used as natural substance of cosmetics which are safe in antioxidant, anti-inflammatory, and anti-wrinkle.
In order to elucidate the effect of phenobarbital sodium(PB) and 3-methylcholanthrene(3-MC) on metabolism in vitro and toxicity of $^{14}C$-carbofuran in rat, they were administered by the chemicals, alone or in combination, and their survival ratios and metabolites were investigated. The $LD_{50}$(96 hrs) value of carbofuran to rats was 6.9 mg/kg. The toxicities of the major metabolites were in the decreasing order of 3-hydroxycarbofuran, 3-ketocarbofuran, 3-hydroxycarbofuran phenol and were much lower than that of the parent compound. When the rats were orally administered by the dose of carbofuran alone, 8.4 mg/kg, the survival ratio was 0%, whereas that was raised up to $60{\sim}80%$ with 20 mg/kg of PB or 3-MC, and 100% with 60 mg/kg of PB or 3-MC. Their metabolism in vitro occurred in the microsomal fraction. In case of carbofuran alone, the major metabolite was 3-hydroxycarbofuran. When carbofuran with PB or 3-MC, on the other hand, was treated, it was 3-ketocarbofuran. In addition, when the co-factor(NADP+G-6-P+G-6-P-DG) was added to the microsomal fraction(phase I system), and a mixture of NADPH+GSH to the 105,000g supernatant(phase II system) taken by carbofuran alone, each metabolites were produced by the maximum levels, respectively. In case of the carbofuran treatment with PB or 3-MC, the microsomal fraction of phase I system produced the maximum levels of metabolites, as in the treatment of carbofuran alone, whereas the 105,000g supernatant supplemented with the co-factor NADPH+FAD(phase II system) was brought about the maximum production of metabolites. The ratio of the formation of metabolites was 2 to 3 times higher in the combined treatment of carbofuran with PB or 3-MC than in the treatment of carbofuran alone.
This study was covered the amount of food consumed per day as well as methods estimating the daily food consumption per fish of Agrammus agrammus in natural population to understand flow of food organisms among trophic levels in bio-community of the coastal waters, Shinsudo, Samchonpo. The estimating formulas were induced from the mathematical models that representing the diurnal fluctuation of the stomach fullness of the fish. The daily food consumption could be estimated by both feeding rates and gastric evacuation rates, but it was more reasonable method that based on gastric evacuation rates than feeding rates. The daily food consumption in wet weight per fish by gastric evacuation rates were 1.9856g/day, 3.4725g/day, 4.4418g/day, 5.8168g/day, and 7.2113g/day in the order of age groups from 0 to 4. The daily rations as percentage of body weight were $9.35\%,\;6.65\%,\;5.76\%,\;4.72\%\;and\;5.31\%$ in the order of ages. The daily food consumption was proportional to the body weight of fish, but the daily food consumption per specific body weight was reciprocal to the body weight. Annual food consumption in wet weight. per fish by gastric evacuation rates were 529.98g from the age of 0.25 to 1.0, 1,269.28g from the age of 1.0 to 2.0, 1,622.76g from the age of 2.0 to 3.0, 2,125.57g from the age of 3.0 to 4.0, 1,316.09g from the age of 4.0 to 4.5 The amount of food consumed per fish during 4.25 years, from the age of 0.25 to 4.5, was 6,863.68g in wet weight. the relationships between the daily food consumption(Dr) by gastric evacuation rates and the total length(L, cm) or the body weight(W, g) were as follows: $$Dr=0.036L^{1.702}$$$$Dr=0.254W^{0.664}$$
This study aims to set up the basic data to manage the waterfowl habitat through the analysis of the changes of physical structure according to the time series of Hangang(Riv.) as water birds' habitat. Study area was 41.5km in length from Paldang bridge to Hangju bridge. during total length of 497.52km and horizontal boundary was based on the protected lowland in year 1975. As the analysis result of land use from the center of water to adjacent road to the river, ratio of year 1975 was in order of sedimentary land(22.7%), surface water(20.7%), built-up area(16.9%), field(16.2%), paddy field(15.9%), and afterwards most of the areas were changed through the construction of arterial highway and submerged weir in order to use Hangang(Riv.). In year 1985, the area ratio of protected lowland(57.8%) and surface water(32.8%) dramatically increased. After construction of river bank the recreational areas continually increased and relatively natural areas decreased. In year 2005, the area ratio of protected lowland was enlarged to 57.6% and surface water also to 33.3%. While the length of both riversides and naturalness decreased by 10.9%, 91.5% respectively in year 2005 compared to year 1975, the depth of water increased by 1.46m. Comprehensively, the flow of changes by physical structure in Hangang(Riv.) for 30 years was divided into two periods. The main characteristics in the first period were decrease of riverside area and enlargement of the surface water through the massive construction before middle of year 1980, and afterwards revetments were intensively artificialized with changes of land use for amusement area. In terms of water fowl habitat, Hangang(Riv.) which previously had various types of habitat condition was changed into simplified habitat for few of species, and the active improvement apporach was needed for habitat diversity.
To investigate the sorption characteristics of Cs, which is one of the major isotopes of nuclear waste, on natural zeolite chabazite, XRD, EPMA, EC, pH, and ICP analysis were performed to obtain the informations on chemical composition, cation exchange capacity, sorption kinetics and isotherm of chabazite as well as competitive adsorption with other cations ($Li^+$, $Na^+$, $K^+$, $Rb^+$, $Sr^{2+}$). The chabazite used in this experiment has chemical composition of $Ca_{1.15}Na_{0.99}K_{1.20}Mg_{0.01}Ba_{0.16}Al_{4.79}Si_{7.21}O_{24}$ and its Si/Al ratio and cation exchange capacity (CEC) were 1.50 and 238.1 meq/100 g, respectively. Using the adsorption data at different times and concentrations, pseudo-second order and Freundlich isotherm equation were the most adequate ones for kinetic and isotherm models, indicating that there are multi sorption layers with more than two layers, and the sorption capacity was estimated by the derived constant from those equations. We also observed that equivalent molar fractions of Cs exchanged in chabazite were different depending on the ionic species from competitive ion exchange experiment. The selectivity sequence of Cs in chabazite with other cations in solution was in the order of $Na^+$, $Li^+$, $Sr^{2+}$, $K^+$ and $Rb^+$ which seems to be related to the hydrated diameters of those caions. When the exchange equilibrium relationship of Cs with other cations were plotted by Kielland plot, $Sr^{2+}$ showed the highest selectivity followed by $Na^+$, $Li^+$, $K^+$, $Rb^+$ and Cs showed positive values with all cations. Equilibrium constants from Kielland plot, which can explain thermodynamics and reaction kinetics for ionic exchange condition, suggest that chabazite has a higher preference for Cs in pores when it exists with $Sr^{2+}$ in solution, which is supposed to be due to the different hydration diameters of cations. Our rsults show that the high selectivity of Cs on chabazite can be used for the selective exchange of Cs in the water contaminated by radioactive nuclei.
Chitosan is biodegradable natural polymer that has been demonstrated its ability to improve wound healing, and calcium metaphosphate(CMP) is a unique class of phosphate minerals having a polymeric structure. In this study, chitosan/CMP and platelet derived growth factor(PDGF-BB) loaded chitosan/CMP sponges were developed, and the effect of the sponges on bone regeneration and their possibility as scaffolds for bone formation by three-dimensional osteoblast culture were examined. PDGF-BB loaded chitosan/CMP sponges were prepared by freeze-drying of a mixture of chitosan solution and CMP powder, and soaking in a PDGF-BB solution. Fabricated sponge retained its 3-dimensional porous structure with $100-200\;{\mu}m$ pores. The release kinetics of PDGF-BB loaded onto the sponge were measured in vitro with $^{125}I-labeled$ PDGF-BB. In order to examine their possibility as scaffolds for bone formation, fetal rat calvarial osteoblastic cells were isolated, cultured, and seeded into the sponges. The cell-sponge constructs were cultured for 28 days. Cell proliferation, alkaline phosphatase activity were measured at 1, 7, 14 and 28 days, and histologic examination was performed. In order to examine the effect on the healing of bone defect, the sponges were implanted into rat calvarial defects. Rats were sacrificed 2 and 4 weeks after implantation and histologic and histomorphometrical examination were performed. An effective therapeutic concentration of PDGF-BB following a high initial burst release was maintained throughout the examination period. PDGF-BB loaded chitosan/CMP sponges supported the proliferation of seeded osteoblastic cells as well as their differentiation as indicated by high alkaline phosphatase activities. Histologic findings indicated that seeded osteoblastic cells well attached to sponge matrices and proliferated in a multi-layer fashion. In the experiments of implantation in rat calvarial defects, histologic and histomorphometric examination revealed that chitosan/CMP sponge promoted osseous healing as compared to controls. PDGF-BB loaded chitosan/CMP sponge further echanced bone regeneration. These results suggested that PDGF-BB loaded chitosan/CMP sponge was a feasable scaffolding material to grow osteoblast in a three-dimentional structure for transplantation into a site for bone regeneration.
These experiments were carried out to analyse the correlation among various soil parameters which characterize the mechanical properties of the disturbed and undisturbed soil, and to analyse Atterberg Limits for the basin of downstream of Hanriver Keum river, Nakdong river, and Asan bay. 1. Wet density of soil was the lowest in the basin of Nakdong river which contains the highest amount of clay minerals among the soil samples, and was increased in the order of Han river, Keum river and Asan bay. It was appeared that the unit weight of natural soil was changed in accordance with the clay mineral content which determines the moisture content. 2. Curved relationship was recognized, showing that dry density of soil was decreased with increasing the moisture content. Soils from the basin of Asan bay were appeared to have the highest dry density and the next was those of Keum river, the second lowest Han river, and the lowest Nakdong river. 3. When the liquid limit of soils was over 40 percent, their plastic index was above the A-line of plastic chart. 4. Between dry density and void ratio of soils, a curved relationship was found, in which dry density was decreased as void ratio increased, and the differences between them became greater in soils containing higher amount of coarse grained soil. Decreasing tendency of dry density in accordance with increase of void ratio was the most significant at Asan bay which contained the lowest clay content, and other decreasing order of dry density was Keum river, Han river, and Nakdong river.
Journal of the Korean Society of Food Science and Nutrition
/
v.43
no.9
/
pp.1369-1379
/
2014
The physicochemical characteristics and antioxidant activities of leaf, stem, and root of ginger (Zingiber officinale R.) were determined. Nutrient composition, reducing sugar, saponin, mineral, heavy metal, total phenolic and total flavonoid contents, and antioxidant activities based on DPPH radical scavenging and FRAP assay were measured. Catechins, gingerols, shogaols, and capsaicin compositions were also determined by HPLC. The contents of water, proteins, fats, carbohydrates, fiber, and ash from ginger root were 6.4, 6.8, 3.2, 65.4, 7.3, and 18.2%, respectively. Crude fiber contents of leaf and stem were 4~5 times higher than those of root (P<0.05), and reducing sugar content of stem was about 3 times higher than those of root. Crude saponin contents were in the order of stem
Recent interests in data mining result from the expansion of the amount of business data and the growing business needs for extracting valuable knowledge from the data and then utilizing it for decision making process. In particular, recent advances in association rule mining techniques enable us to acquire knowledge concerning sales patterns among individual items from the voluminous transactional data. Certainly, one of the major purposes of association rule mining is to utilize acquired knowledge in providing marketing strategies such as cross-selling, sales promotion, and shelf-space allocation. In spite of the potential applicability of association rule mining, unfortunately, it is not often the case that the marketing mix acquired from data mining leads to the realized profit. The main difficulty of mining-based profit realization can be found in the fact that tremendous numbers of patterns are discovered by the association rule mining. Due to the many patterns, data mining experts should perform additional mining of the results of initial mining in order to extract only actionable and profitable knowledge, which exhausts much time and costs. In the literature, a number of interestingness measures have been devised for estimating discovered patterns. Most of the measures can be directly calculated from what is known as a contingency table, which summarizes the sales frequencies of exclusive items or itemsets. A contingency table can provide brief insights into the relationship between two or more itemsets of concern. However, it is important to note that some useful information concerning sales transactions may be lost when a contingency table is constructed. For instance, information regarding the size of each market basket(i.e., the number of items in each transaction) cannot be described in a contingency table. It is natural that a larger basket has a tendency to consist of more sales patterns. Therefore, if two itemsets are sold together in a very large basket, it can be expected that the basket contains two or more patterns and that the two itemsets belong to mutually different patterns. Therefore, we should classify frequent itemset into two categories, inter-pattern co-occurrence and intra-pattern co-occurrence, and investigate the effect of the market basket size on the two categories. This notion implies that any interestingness measures for association rules should consider not only the total frequency of target itemsets but also the size of each basket. There have been many attempts on analyzing various interestingness measures in the literature. Most of them have conducted qualitative comparison among various measures. The studies proposed desirable properties of interestingness measures and then surveyed how many properties are obeyed by each measure. However, relatively few attentions have been made on evaluating how well the patterns discovered by each measure are regarded to be valuable in the real world. In this paper, attempts are made to propose two notions regarding association rule measures. First, a quantitative criterion for estimating accuracy of association rule measures is presented. According to this criterion, a measure can be considered to be accurate if it assigns high scores to meaningful patterns that actually exist and low scores to arbitrary patterns that co-occur by coincidence. Next, complementary measures are presented to improve the accuracy of traditional association rule measures. By adopting the factor of market basket size, the devised measures attempt to discriminate the co-occurrence of itemsets in a small basket from another co-occurrence in a large basket. Intensive computer simulations under various workloads were performed in order to analyze the accuracy of various interestingness measures including traditional measures and the proposed measures.
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