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조건부가치측정법(CVM)을 활용한 개발사업지구 내 유휴부지 유료주차장 활용방안 연구
김태균,박지은,윤정란,Kim, Tae Gyun,Park, Ji Eun,Yun, Jeong Ran 한국토지주택공사 토지주택연구원 2019 LHI journal of land, housing, and urban affairs Vol.10 No.3
In this study, the author suggests utilizing unsold and unused land as temporary commercial parking lots as a way to raise funds for active public transport use. In addition, reasonable parking fee scheme is suggested by estimating marginal parking fee and marginal parking distance for the commercial parking lots based on the CVM. The author conducts a survey to investigate citizens' opinion on utilizing unsold and unused land in the urban development project area as temporary commercial transport facilities such as parking lots. Based on survey outcome, travel behavior and requirements are analyzed and marginal parking fee and marginal parking distance are estimated through the Contingent Valuation Method (CVM). The results are as follows: in the single-bounded dichotomous choice model, people are willing to pay 216 KRW for 165m in average for 10 minutes and their willingness to pay goes down against reaching distance to the parking lots from 365 KRW for 50m, 295 KRW for 100m, 173 KRW for 200m, and 51 KRW for 300m; in the double-bounded dichotomous choice model, people are willing to pay 285 KRW for 165m in average for 10 minutes and their willingness to pay goes down as well against reaching distance to the parking lots from 310 KRW for 50m, 297 KRW for 100m, 272 KRW for 200m and 248 KRW for 300m. It is clearly appeared that people's willingness to pay goes higher as distance to reach the parking lots goes shorter.
A New Grafted Cactus with Bright Yellow Color, 'Hwangseon'
Park, Pil-Man,Jeong, Myeung-Il,Yae, Byeong-Woo,Kim, Mi-Sun,Lee, Young-Ran,Park, Pue-Hee,Yoo, Bong-Sik Korean Society of Horticultural Science 2012 원예과학기술지 Vol.30 No.3
A new grafted cactus cultivar, called 'Hwangseon', Gymnocalycium mihanovichii, is a hybrid crossed between two orange color cultivars 'Geoseong' and 'Huhwang'. Mating was performed in the greenhouse of National Institute of Horticultural & Herbal Science (NIHHS) in 2005. The harvested seeds were sown at 100 mL volumetric flasks filled with 'Kyoto' medium. Seedling had been grafted into a young rootstock, Hylocereus trigonus, and cultured in vitro in 100 mL test tube for more than six months. After re-grafting and planting in the green house in 2006, their characteristics were evaluated three times until 2009. The new cultivar has a flat round shape and bright yellow skin color. In addition, it has 7 to 9 ribs with gray and straight spines on the body and produces an average of 12.3 offsets.
Park, Ji-Min,Bong, Ha-Yoon,Jeong, Hye-In,Kim, Yeon-Kyoung,Kim, Ji-Yeon,Kwon, O-Ran The Korean Nutrition Society 2009 Nutrition Research and Practice Vol.2 No.3
Postprandial hypoglycemic effect of mulberry leaf (Morus alba L.) was compared in two animal models: Goto-Kakizaki (GK) rats, a spontaneous non-obese animal model for type II diabetes, and their counterpart control Wistar rats. First, the effect of a single oral administration of mulberry leaf aqueous extract (MLE) on postprandial glucose responses was determined using maltose or glucose as substrate. With maltose-loading, MLE reduced peak responses of blood glucose significantly in both GK and Wistar rats (P < 0.05), supporting the inhibition of $\alpha$-glucosidase by MLE in the small intestine. With glucose-loading, MLE also significantly reduced blood glucose concentrations, measured at 30 min, in both animal models (P < 0.01), proposing the inhibition of glucose transport by MLE. Next, dried mulberry leaf powder (MLP) was administered for 8 weeks by inclusion in the diet. By MLP administration, fasting blood glucose was significantly reduced at weeks 4 and 5 (P < 0.05), but then returned to values that were similar to those of the control at the end of experimental period in GK rats. Insulin, HOMA-IR, C-reactive protein, and triglycerides tended to be decreased by MLP treatment in GK rats. All other biochemical parameters were not changed by MLP administration in GK rats. Collectively, these findings support that MLE has significant postprandial hypoglycemic effect in both non-obese diabetic and healthy animals, which may be beneficial as food supplement to manage postprandial blood glucose. Inhibitions of glucose transport as well as $\alpha$-glucosidase in the small intestine were suggested as possible mechanisms related with the postprandial hypoglycemic effect of MLE.
Vitamin C deficiency increases the binucleation of hepatocytes in SMP30 knock-out mice
Park, Jin-Kyu,Hong, Il-Hwa,Ki, Mi-Ran,Chung, Hae-Young,Ishigami, Akihito,Ji, Ae-Ri,Goo, Moon-Jung,Kim, Dong-Hwan,Kwak, Ji-Hoon,Min, Chang-Woo,Lee, Seung-Sook,Jeong, Kyu-Shik Blackwell Publishing Asia 2010 Journal of Gastroenterology and Hepatology Vol.25 No.11
<P>Abstract</P><P>Background and Aims: </P><P>The binucleation of hepatocytes, which was known as an important feature of liver growth and physiology, has been reported to be increased during the chronic oxidative injury stage and has been regarded as an age-related change of hepatic structures. Therefore, we investigated the binuclearity pattern in the livers of senescence marker proteins-30 (SMP30) knock-out (KO) mice compared with wild-type (WT) mice and vitamin C-treated KO (KO + VC) mice.</P><P>Methods: </P><P>The WT, KO and KO + VC mice were fed a vitamin C free diet and VC(+) group mice were given vitamin C water containing 1.5 g/L of vitamin C, whereas VC(−) group was given normal drinking water without vitamin C, for 16 weeks.</P><P>Results: </P><P>In microscopic examination, the livers of KO mice showed a significantly increased number of binuclear hepatocytes compared with that of WT mice and KO + VC mice. KO mice also showed the most increased expression level of CYP2E1 and PCNA determined by immunohistochemistry and immunoblot analysis. Moreover, KO mice indicated the highest level of serum alanine aminotransferase and aspartate aminotransferase level in serum biochemical analysis. Accordingly, significantly decreased levels of reactive oxygen species, MDA (malondialdehyde) and HAE (4-hydroxyalkenals) were detected in KO + VC mice compared with KO mice.</P><P>Conclusion: </P><P>Therefore, it is concluded that vitamin C deficiency induces an increase of CYP2E1 expression and elevated ROS production, which causes oxidative liver injury and the elevation of hepatocyte binucleation in SMP30 KO mice.</P>
Proteomic Analysis of Thiol-active Proteins of Helicobacter pylori 26695
Jeong-Won Park,Jae-Young Song,Hyang-Ran Hwang,Hee-Jin Park,Hee-Shang Youn,Ji-Hyun Seo,Hyung-Lyun Kang,Kon-Ho Lee,Seung-Chul Baik,Woo-Kon Lee,Myung-Je Cho,Kwang-Ho Rhee 대한미생물학회 2012 Journal of Bacteriology and Virology Vol.42 No.3
Effect of Dietary Monascus Pigment on the Liver Damage Induced with $CCl_4$in Rats
Park, Young-Ja,Park, Hyeoun-Yeoun,Kim, Young-Ran,Oh, Jeong-Dae,Yoon, Chong-Guk 대한의생명과학회 2003 Journal of biomedical laboratory sciences Vol.9 No.3
In the biological world, there are a number of ecological fights for survival between each organism such as plants, animals and microorganism In such events, an organism can use its natural bioactive products as defence agent against other organisms. Furthermore, natural bioactive products can be utilized for medicine or functional food. Recently, we investigate the effect of Monascus pigment extracted from a fungus, Monascus anke, on the alcohol metabolism and blood lipid profile. In the present study, it is observed that Monascus pigment supplemented dietary may have a hepatoprotective effect on rat's liver damage induced with $CCl_4$ . By treatment with $CCl_4$(3 times, I.P), liver damage was reduced more in the rats fed 2% Monascus pigment extract supplemented diet than those fed standard diet, based on the serum levels of alanine aminotransferase, microsomal glucose-6-phosphatse activity and hepaic malondialdehyde content. On the other hand, oxygen free radical generating enzymes, hepatic P-450 dependent aniline hydroxylase, xanthine oxidase, and oxygen free radical scavenging enzymes, hepatic glutathione S-transferase, catalase, superoxide dismutase activities were generally higher both in $CCl_4$ treated group and control fed 2% Monascus pigment extract supplemented diet than those fed standard diet. In conclusion, the rats fed 2% Monascus pigment extract supplemented diet showed more reduced liver damage than those fed standard diet, which may be due to the acceleration of oxygen free radical metabolism.