This essay attempts a contrapuntal reading of Thomas More's Utopia. Contrapunctual reading, proposed by Edward Said. attempts to make a text speak across temporal, cultural, and ideological boundaries to a topic of present. I examine two opposite readings of Utopia around 2011 by both pro- and anti-Occupy Wall Street positions. On the one hand, the opponents of Occupy find its limits as a utopian social movement echoing in the fictional character of Hythrodaeus and the alternative society verbally sketched by him in Book Two of Utopia. On the other, Occupy's advocates read More's text as embodying its radial possibility. However, each shares the tendency to denounce Book Two, praising Book One in which Hythrodaeus vehemently criticizes England; they read Hythrodaeus not as an utopian idealist but as a social critic. The Occupy, as a result, is seen here as having an ambivalent relationship to utopianism. I reinterpret the radical possibilities of Book Two criticized by both pro- and anti-Occupy invocations of Utopia. Book Two provides a utopian space in which the existing social contradictions are cancelled, revealing the limits of the three partial utopias proposed at the end of Book One. Following Louis Marin's argument, I argue, the "utopic" space does not lie in the so-called ideal society described in the text but in the inconsistencies between the text's description(discourse) and topography(map). In Book Two the existence of a king is described, yet his space is not found in the topography of utopia; likewise market is described as existing at the center of a city, yet its space is not found either. These inconsistencies create a neutral space in which the ideological contradictions of the text are cancelled, and the space opens up the possibility of communal society beyond modern sovereign power and capitalism I argue this utopian dream needs to be summoned once again in our time as a compelling alternative to the corporate, capitalist order.
Fresh bakery products are widely consumed worldwide and therefore particular requirements for their quality characteristics have been established. The shelf life of bakery products is mainly subjected to microbial spoilage and staling. This study investigated the optimum conditions of modified atmosphere packaging (MAP) application to extend the shelf life of the bakery products. The gas conditions of the headspace in 'Baumkuchen' cake were 0, 30, 70, and 100% CO2 concentrations and stored at 30℃ for 5 days. The bakery samples were evaluated weight loss, hardness, color change, pH and total aerobic bacteria, yeast and molds count throughout the storage period. Values of the weight loss and hardness were increased over the storage period, meanwhile pH was significantly decreased. However, no significant color changes were observed during storage. It was also found no significant difference between the different gas treatments. Total aerobic bacteria count of the stored samples after day 5 was increased by 6.94 log CFU/g in the air filled package, compared to 6.20 log CFU/g in the 100% CO2 filled package and 6.02 log CFU/g in the 70% CO2 filled package. Yeast and molds count were 3.65 log CFU/g in air filled package, 2.66 log CFU/g in 100% CO2 filled package, 2.64 log CFU/g in 70% CO2 filled package, 2.86 log CFU/g in 30% CO2 filled package and 3.31 log CFU/g in 100% N2 filled package on day 2. In conclusion, it was shown that 70% and 100% CO2 treatments in the package were effective to reduce microbial growth.
Myungho Lee;In Seok Cho;Dong Cheol Lee;Youn Suk Lee
KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
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v.29
no.3
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pp.153-161
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2023
The worldwide effects of COVID-19 have led to a surge in online shopping and contactless services. The consumption pattern has caused the issues such as the environmental pollution together with the increase of plastic waste. Reducing the reliance on the petroleum based plastic use for the package and replacing it with environmentally friendly material are the simple ways in order to solve those problems. Paper is an eco-friendly product with high recyclability as the food packaging materials but has still poor barrier properties. A barrier coating on surface of the paper can be achieved with the proper packaging materials featuring water, gas and grease barrier. Polyethylene (PE) or polypropylene (PP) coatings which are generally laminated or coated to paper are widely used in food packaging applications to protect products from moisture and provide water or grease resistance. However, recycling of packaging containing PE or PP matrix is limited and costly because those films are difficult to degrade in the environment. This study investigated the recyclability of modified acrylic emulsion coating papers compared to PE and PP polymer matrixes as well as their mechanical and gas barrier properties. The results showed that PE or modified acrylic emulsion coated papers had better mechanical properties compared to the uncoated paper as a control. PE or PP coating papers showed strong oil resistance property, achieving a kit rating of 12. Those papers also had a significantly higher percentage of screen reject during the recycling process than modified acrylic coated paper which had a screen rejection rate of 6.25%. In addition an uncoated paper had similar value of a screen rejection rate. It may suggest that modified acrylic emulsion coating paper can be more easily recycled than PE or PP coating papers. The overall results of the study found that modified acrylic emulsion coating paper would be a viable alternative to suggest a possible solution to an environmental problem as well as enhancing the weak mechanical and poor gas barrier properties of the paper against moisture.
The purpose of this study was to understand about the influence of female undergraduates health behavior and health state upon sociality and the influence of sociality upon college life satisfaction. The subjects were 335 female junior-college students with major related to public health in Busan, Daegu, and Gyeongnam and were carried out questionnaire survey on general characteristics, sociality, college life satisfaction, health behavior, health status, and internet addiction. An analytical method was made through chi-square test, t-test, one-way ANOVA, ANOVA for trend, and structural equation modeling(SEM). As a result, the influence of accountability had the greatest influence as sub-factor. Accountability and age had a positive correlation(p<0.001). Accountability was low when self-cognitive body shape was very thin(p=0.005). In sociality, full age(p<0.001), self rated health(p<0.001), and physical education instruction for the 3rd grade of high school(p=0.004) showed direct effect. Also, sociality showed direct influence upon college life satisfaction. The older age, the higher self rated health, and the more instruction for the 3rd grade of high school led to the higher sociality, thereby having been indicated to be higher in college life satisfaction. Accordingly, a multi-dimensional effort is judged to be necessary for reinforcing physical education activity for high school students and for improving their quality of life as a plan for increasing college life satisfaction.
So, Soonku;Hwang, Yong;Lee, Chunghee;Lee, Jeong-Ho;Kim, Muyeol
Korean Journal of Plant Taxonomy
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v.43
no.1
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pp.46-55
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2013
The purpose of this study is to review the taxonomic position of Taxus cuspidata var. latifolia endemic to Ulleung Island with related taxa T. cuspidata var. cuspidata, T. caespitosa, and T. cuspidata var. nana based on external morphological characters and DNA barcoding study. T. cuspidata var. latifolia was similar to T. cuspidata var. cuspidata in the arbor, straight trunk, and symmetric arrangement of leaf. But the unique differences between T. cuspidata var. latifolia and T. cuspidata var. cuspidata were leaf size and the exposure of seed from aril. Additionally, sequences of four chloroplast DNA regions including matK, rbcL, trnL intron and trnL-trnF spacer regions were analyzed. Korean Taxus species and their related taxon T. cuspidata var. nana were strongly supported as a monophyletic group in neighbor-joining analysis. Taxus cuspidata var. latifolia showed 100% sequence identity to related taxa. Korean endemic T. caespitosa is also distinguishable from related taxa by prostrate stems and spiral arrangement of leaf. The examinations of external morphology and DNA barcoding study suggest that the taxonomic position of T. cuspidata var. latifolia should be maintained as a variety of T. cuspidata.
Objectives: The purpose of this study was to compare the microshear bond strength (uSBS) to enamel prepared with different burs and to determine what type of bur were chosen when a self-etching primer adhesive was used. Materials and Methods: Enamel of forty-two human molars were used. They were divided into one of six groups (n = 7), Group 1, coarse (125 - 150 ${\mu}m$) diamond bur; Group 2, standard (106 - 125 ${\mu}m$) diamond bur; Group 3, fine (53 - 63 ${\mu}m$) diamond bur; Group 4, extrafine (20 - 30 ${\mu}m$) diamond bur; Group 5, plaincut carbide bur (no. 245); Group 6, cross-cut carbide bur (no. 557). Clearfil SE Bond and Clearfil AP-X (Kuraray Medical Inc.) was bonded to enamel surface. The bonded specimens were subjected to uSBS testing. Results: The uSBS of Group 4 was the highest among groups and it was significantly higher than that of Groups 1, 2, 3, and 6 (p < 0.05), but it was not significantly different from that of Group 5. Conclusions: Different burs used on enamel surface affected the microshear bond strengths of a self-etching primer adhesive to the enamel surface. In the case of Clearfil SE Bond, extrafine diamond and plain-cut carbide bur are recommended for bonding to enamel.
Lee Myoung-Joo;Kim Dong-Eun;Lee Tae-Ho;Jeong Yong-Kee;Kim Young-Hee;Chung Kyung-Tae
Journal of Life Science
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v.16
no.3
s.76
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pp.409-414
/
2006
Molecular chaperones and folding enzymes in the endoplasmic reticulum (ER) associate with the newly synthesized proteins to prevent their aggregation and help them fold and assemble correctly. Chaperone function of BiP, which is a Hsp70 homologue in ER, is controlled by the N-terminal ATPase domain. The ATPase activity of the ATPase domain is affected by regulatory factors. BAP was identified as a nucleotide exchange factor of BiP (Grp78), which exchanges ADP with ATP in the ATPase domain of BiP This study presents whether BAP can influence folding of a protein, immunoglobulin heavy chain that is bound to BiP tightly. We first examined which nucleotide of ADP and ATP affects on BAP binding to BiP The data showed that endogenous BAP of HEK293 cells prefers ADP for binding to BiP in vitro, suggesting that BAP first releases ADP from the ATPase domain in order to exchange with ATP. Immunoglobulin heavy chain, an unfolded protein substrate, was released from BiP in the presence of BAP but not in the presence of ERdj3, which is another regulatory factor for BiP accelerating the rate of ATP hydrolysis of BiP The ADP-releasing function of BAP was, therefore, believed to be responsible for immunoglobulin heavy chain release from BiP. Grp170, another Hsp70 homologue in ER, did not co-precipited with BAP from $[^{35}S]$-metabolic labeled HEK293 lysate containing both overexpressed Grp170 and BAP. These data suggested that BAP has no specificity to Grp170 although the ATPase domains of Grp170 and BiP are homologous each other.
Journal of the Korean Association of Geographic Information Studies
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v.14
no.3
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pp.36-51
/
2011
Global climate change is disturbing the water circulation balance by changing rates of precipitation, recharge and discharge, and evapotranspiration. Groundwater, which occupies a considerable portion of the world's water resources, is related to climate change via surface water such as rivers, lakes, and marshes. In this study, the authors selected a relevant climate change scenario, A1B from the Special Report on Emission Scenario (SRES) which is distributed at Korea Meteorological Administration. By using data on temperature, rainfall, soil, and land use, the groundwater recharge rate for the research area was estimated by periodically and embodied as geographic information system (GIS). In order to calculate the groundwater recharge quantity, Visual HELP3 was used as main model, and the physical properties of weather, temperature, and soil layers were used as main input data. General changes to water circulation due to climate change have already been predicted. In order to systematically solve problems of ground circulation system, it may be urgent to recalculate the groundwater recharge quantity and consequent change under future climate change. The space-time calculation of changes of the groundwater recharge quantity in the study area may serve as a foundation to present additional measures to improve domestic groundwater resource management.
Journal of the korean academy of Pediatric Dentistry
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v.44
no.1
/
pp.56-63
/
2017
Delayed eruption of the first molar, without a generalized or localized cause, is usually associated with delayed development of the affected tooth. The aim of this study was to investigate the clinical features of the first permanent molar showing delayed development and eruption, and its association with developmental anomalies of other teeth. Panoramic radiographs of 40 healthy children showing delayed development and eruption of first permanent molars were analyzed. The clinical features of affected first molars and developmental anomalies of other teeth (except third molars) were evaluated. Delayed first molars were more frequent in the maxilla. The incidence of bilateral delayed development of first molars was greater than that of unilateral cases in female patients. In contrast, male patients showed unilateral delayed development of the first molar more frequently. A higher incidence of congenitally missing teeth was observed in patients with delayed first molar. In each case, delayed development or congenital absence was observed in the second molar adjacent to the delayed first molar. Overall, delayed first molar seems to be associated with congenital absence of additional teeth. Understanding the developmental mechanisms of this phenomenon requires further studies.
The purpose of the present study is to evaluate the diagnostic value of the ETR test as compared to other thyroid function tests in normal persons, patients with thyroid disorders and patients with alterations of thyroxine-binding proteins. The ETR values were obtained from 35 cases as normal control, 63 hyperthyroid patients, 56 euthyroid patients, 23 hypothyroid patients, 10 pregnant women, 5 women taking oral contraceptive medication, 8 liver cirrhosis patients and 4 nephrotic syndrome patients. The results obtained were as follows. 1. The mean value of ETR obtained from the normal controls was $0.99{\pm}0.06$. 2. The mean ETR values of various thyroid states were $1.25{\pm}0.16$ in hyperthyroidism, $0.99{\pm}0.08$ in euthyroidism and $0.82{\pm}0.05$ in hypothyroidism and significant difference was found between these groups. 3. Seven out of 63 hyperthyroid patients(11.1%) and 2 out of 23 hypothyroid patients(8.7%) had ETR values within normal range and among the 56 euthyroid patients 6(10.7%) had ETR values outside normal range, so the diagnostic compatibility of ETR was 89.4% in thyroid diseases. 4. Even though the ETR value was well correlated with $^{131}I$-thyroid uptake rate, serum $T_3$ resin uptake rate and serum $T_4$, a high positive correlation was found (r=0.79) between ETR and $T_7$. 5. The mean ETR values from patients with alteration in TBG binding capacity were $0.99{\pm}0.05$ in pregnant women, $0.98{\pm}0.04$ in women with oral contraceptive medication, $1.04{\pm}0.09$ in liver cirrhosis patients and $0.94{\pm}0.02$ in nephrotic syndrome patients and most of them (85.2%) had ETR values within normal range. Our results, therefore, suggests that the ETR estimation does offer the simplest and most reliable single procedure for the screening and diagnosis of various thyroid diseases as a indirect indicator of serum-free thyroxine concentration without essential influence of changes in the thyroxine-binding proteins in serum.
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