• Title/Summary/Keyword: naked-eye observation

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Analysis of Surface Contaminants and Removal Techniques on Three-story Stone Pagoda at the West of Gameunsaji Site (감은사지서삼층석탑의 표면오염물 분석과 제거기술)

  • Kim, Sa-Dug;Lee, Tae-Jong;Kim, Da-Ram;Han, Min-Su
    • Journal of Conservation Science
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    • v.26 no.2
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    • pp.203-211
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    • 2010
  • Analytic research on the surface pollutant of the three storied-pagoda at the west of Gameunsaji site as well as studies of previous wet cleaning cases was undertaken in order to decide cleaning method for removing inorganic pollutants. The status of pollutant was examined by naked eye observation, SEM-EDS, XRD. Then it was compared and categorized through qualitive and quantitative analysis. The result showed that the surface pollutants consisted of iron compounds or sulfur compounds and it was crystallized in the form of circle, oval, needle, etc. Result, Low-pressure rotating vortex process cleaning, with which particular matters are sprayed in swirl, is considered to be the best method to remove the pollutants.

Change of Epicuticular Waxes by Formulation of Fungicides in 'Campbell Early' Grapes (살균제 제형에 따른 포도의 과분 변화)

  • Shin, Kyoung-Hee;Park, Hee-Seung
    • Horticultural Science & Technology
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    • v.28 no.5
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    • pp.762-767
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    • 2010
  • This study was conducted to investigate the influence of formulation of fungicides on epicuticular waxes in 'Campbell Early' grapes. Non-bagged and bagged berries were treated with wettable powder, suspension concentrate and emulsifiable concentrate 15 days after full bloom (DAFB) and 48 DAFB (veraison), respectively. Fruit skin was observed by naked eye and scanning electron microscope (SEM) at harvest. Remarkable white blots were observed on the berries treated 48 DAFB in the order of wettable powder, suspension concentrate, and emulsifiable concentrate. The observation by SEM showed all formulations of fungicides damaged the ultra-structure of epicuticular waxes; also, an unknown substance was observed on treatment with wettable powder and suspension concentrate. Moreover epicuticular wax appeared to be melting on the grapes treated with emulsifiable concentrate. Also, non-bagged grapes showed serious contamination of epicuticular wax by some unknown substance, but bagged grapes had only fungicides' traces.

Study on the modulation of immune system of CPS in atopic dermatitis induced animal models (외치방인 청기패독산(淸肌敗毒散)의 아토피피부염 동물 병태 모델에서의 면역조절작용에 관한 연구)

  • Lee, Youn-Jeong;Gim, Seon-Bin;Choi, Hak-Joo;Lee, Ki-Moo;Kim, Dong-Hee
    • Journal of Haehwa Medicine
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    • v.20 no.2
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    • pp.1-16
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    • 2012
  • In order to study the effect of CPS in the treatment of atopic dermatitis (AD), its role on various immune related cytokines were tested. Levels of liver and kidney function markers such as ALT, AST, BUN in NC/Nga mice were all normal indicating no toxicity in CPS treated group. Significant recovery from AD could be observed in CPS treated group through naked eye observation. Dermatitis index was significantly decreased after 11, 12, and 13 weeks of treatment. CD4+, CD8+, CD3+ /CD69+ immune cell ratio in DLN were decreased significantly by 37.2%, 49%, 20.8% in CPS treated group. CD4+ and CD11b+ /Gr-1+ immune cell ratio in dorsal skin were decreased significantly by 50.8% and 59.2% in CPS treated group. Expression of IL-4, IL-5, IL-6, IL-13 and TNF-${\alpha}$ in spleen were decreased by 78.8%, 97.8%, 64.7%, 73.6%, and 68.4%, respectively in CPS treated group. The results above strongly indicated the significant immune modulatory effect of CPS and thus clinical application of CPS on AD treatment.

Effects of the Oral Administration of a Probiotic Combination on the Expression of Cytokine and the Histopathology of the Large Intestine in an Animal Model of Enteritis

  • Seo, Jae-Gu;Chung, Myung-Jun;Lee, Hyun-Gi
    • Food Science of Animal Resources
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    • v.32 no.2
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    • pp.149-154
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    • 2012
  • It is known that lactic-acid bacteria (LAB) helps keeping the intestine healthy and to enhance its immunologic competence. In addition, it is known to control the composition of the enterobacteria and the intestinal inflammatory reaction by inducing immunological enhancement. This study was performed, in a mouse model, to test the treatment and preventive effects of LAB of inflammatory bowel disease (IBD), which was induced by a blend of LAB-administering trinitrobenzene sulfonic acid (TNBS). To obtain the animal model of IBD, 2% TNBS was rectally administered once to a five-week-old male Balbc/J mouse. A probiotic combination was administered to the prevention group five times a week for eight weeks before the inducement of enteritis, and the mixture was administered to the treatment group five times a week, after the administration of TNBS. The changes in the levels of the cytokines of the lymph nodes and the tissue of the large intestine were observed, both with the naked eye and with a microscope. The observation showed that the levels of inflammatory cells, infiltration, and necrosis were much lower in the LAB-administered groups than in that of the control group. In addition, the inflammatory cytokines (e.g., TNF-${\alpha}$, IL-17A) decreased in the lymph nodes and the tissues of the large intestine. The results indicated that the administration of the combination to the animal model suppressed the inflammatory cytokines in the large intestine and in the lymph nodes, which in turn suppressed the progression of colitis.

Improvement effect of formula containing Vitamin A and Vitamin E on the Strech mark (VitaminA와 VitaminE 함유 제제의 Strech mark 개선효과)

  • Kim, Yang-Ho
    • Journal of the Korean Society of Fashion and Beauty
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    • v.2 no.3 s.3
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    • pp.36-43
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    • 2004
  • This is a research on the effect of formula containing of vitamin A and vitamin E(Frie of oil, Wlter Bouhon GmBH, Germany) on the strech mark. The participants of this study were 20 women at the age of early 20s through middle 20s, who had strech marks that had been over 1 year at the minimum and at less than 5 years at the maximum. Formula containing of vitamin A and vitamin E was applied with typical massage to strech marks for 4 months and twice per day. Improvement resulting from the application was evaluated through observation with the naked eye, questionnaire survey, and the equipment used was DermaScan C Ver3(Cortex Technology, Denmark). The experiment showed that parts cared with formula containing of vitamin A and vitamin E had less strech marks than those control site(treated with jojoba oil).In around 2 months since the use of the formula containing of vitamin A and vitamin E, the tensile of the skin increased and deep wrinkles on the chapped surface became unclear, and in around 4 months the tensile force again decreased and the resilience of the skin increased, and the ultrasonic image showed the decrease of echo pore-zone, which indicates the degree of tissue damage. According to the result of the questionnaire survey, strech marks of less than red strech marks of primary stage were improved more quickly than white strech marks and all participants appeared to experience improvement. The result shows that if this formula is used continuously over 4 months, it reduces strech marks and increase the resilience of the skin. It is considered necessary to continue objective measuring and research concerning strech marks.

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Rapid, Sensitive, and Specific Detection of Clostridium tetani by Loop-Mediated Isothermal Amplification Assay

  • Jiang, Dongneng;Pu, Xiaoyun;Wu, Jiehong;Li, Meng;Liu, Ping
    • Journal of Microbiology and Biotechnology
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    • v.23 no.1
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    • pp.1-6
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    • 2013
  • Tetanus is a specific infectious disease, which is often associated with catastrophic events such as earthquakes, traumas, and war wounds. The obligate anaerobe Clostridium tetani is the pathogen that causes tetanus. Once the infection of tetanus progresses to an advanced stage within the wounds of limbs, the rates of amputation and mortality increase manifold. Therefore, it is necessary to devise a rapid and sensitive point-of-care detection method for C. tetani so as to ensure an early diagnosis and clinical treatment of tetanus. In this study, we developed a detection method for C. tetani using loop-mediated isothermal amplification (LAMP) assay, wherein the C. tetani tetanus toxin gene was used as the target gene. The method was highly specific and sensitive, with a detection limit of 10 colony forming units (CFU)/ml, and allowed quantitative analysis. While detecting C. tetani in clinical samples, it was found that the LAMP results completely agreed with those of the traditional API 20A anaerobic bacteria identification test. As compared with the traditional API test and PCR assay, LAMP detection of C. tetani is simple and rapid, and the results can be identified through naked-eye observation. Therefore, it is an ideal and rapid point-of-care testing method for tetanus.

A Case of Contact Dermatitis by Pain Relieving Patch Deteriorated after Taking Lotus Root (파스 접촉 알레르기 치료 중 연근 복용 후 악화된 중등도 알레르기 피부 1례)

  • Lim, Kyeong-Min;Choi, Jung-Hwa;Park, Soo-Yeon;Kim, Jong-Han;Kim, Seon-Jong;Shin, Jeong-Cheol;Jung, Min-Yeong
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.28 no.3
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    • pp.126-134
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    • 2015
  • Objectives : The purpose of this study is to report that Korean medical treatment is good for deteriorated moderate allergic skin after taking lotus root while getting treatment for contact dermatitis by pain relieving patch.Methods : A 54-year-old woman patient with allergic contact dermatitis received treatment with acupuncture, herbal medicine, etc. We used observation and Visual Anologue Scale(VAS) to evaluate recovery from erythema, pruritus and skin damages.Results : A visible symptoms to the naked eye and VAS scale were effectively decreased after Korean medicine treatments.Conclusions : Korean medical treatments were effective for allergic contact dermatitis deteriorated by lotus root while getting treatment contact dermatitis by pain relieving patch.

Comparative study on the external micro-morphology of 3 kinds of minute pollen and spore Herbs (Pini Pollen, Typhae Pollen, Lygodii Spora) utilizing scanning electron microscope (주사전자현미경을 이용한 3종 화분포자류(花粉胞子類) 한약재(송화분(松花粉), 포황(蒲黃), 해금사(海金沙))의 미세형태 비교연구)

  • Kim, Young-Sik;Song, Jun-Ho;Choi, Goya;Lee, Guemsan;Ju, Young-Sung
    • The Korea Journal of Herbology
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    • v.35 no.1
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    • pp.9-18
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    • 2020
  • Objectives : We tried to establish standards for genuine by discriminating 3 kinds of pollen and spore herbs that are highly to be mixed with each other. Using an scanning electron microscope, we prepare a standard for discriminating external morphological characters of minute herbs, thereby contributing to the stable supply of genuine herbal medicines. Methods : Standard samples were confirmed by literature review on external morphological characteristics of original plants and herbal medicines, and collection and identification of original plants. The herbal medicines on the market were purchased and classified with using naked eye observation and magnifier. Finally, micromorphological identifications were conducted using an scanning electron microscope. Results : 1. Pini Pollen was clearly distinguished by its relatively medium size and a pollen grain with two swollen reticulate sacci at both ends. The verrucate ornamentation on the exine surface of the corpus and a sunken leptoma germ pore may be used as a discrimination criteria. 2. Typhae Pollen was distinguished by its relatively small size and a saccus on the end of a pollen grain. Reticulate ornamentation of exine surface of the corpus, and a slightly clear ulcerate germ pore can be used as a discrimination criteria. 3. Lygodii Spora was distinguished by its relatively large triangular-ovate shape and trichotomous fissure. Verrucate-tuberculate ornamentation of exine surface and trilete aperture could be used as a discrimination criteria. Conclusion : These results indicate that the use of electron microscopy is very effective for discriminating the external morphology of minute herbal medicines.

Enhancement of bloodstain on the dark or multi-colored surfaces by using the acidic hydrogen peroxide (Acidic hydrogen peroxide를 이용한 어둡거나 다양한 색상의 표면에 부착된 혈흔의 증강)

  • Sungwook Hong;Wonyoung Lee;Jaeyoung Byeon;Hyunju Shin;Jaeuk Ha
    • Analytical Science and Technology
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    • v.36 no.3
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    • pp.121-127
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    • 2023
  • The detection of blood at a crime scene is an important process for identification and case reconstruction. However, blood may be difficult to observe with the naked eye on dark or multi-colored surfaces. Acidic hydrogen peroxide (AHP) is a recently reported blood enhancement reagent that can enhance blood with high sensitivity by increasing the exposure time of the camera. However, it has never been compared to previously known techniques on dark or multi-colored surfaces. For this purpose, the method of observation/photographing (UV and IR photography), alginate casting, leuco rhodamine 6G (LR6G), and AHP were applied to bloody impression on dark or multi-colored surfaces and the results were compared. As a result, blood treated with AHP had a higher contrast to the surfaces than UV and IR photography, and it was applicable on all surfaces, opposed to alginate casting. In addition, AHP successfully enhanced blood on dark or multi-colored surfaces, similar to LR6G.

Monitoring of the Natural Terrain Behavior Using the Terrestrial LiDAR (지상라이다 자료를 이용한 자연사면의 변위 모니터링)

  • Park, Jae Kook;Lee, Sang Yun;Yang, In Tae;Kim, Dong Moon
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.30 no.2D
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    • pp.191-198
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    • 2010
  • The displacement of slope is a key factor in predicting the risk of a landslide. Therefore, the slope displacement should be continuously observed with high accuracy. Recently, high-tech equipment such as optical fiber sensor, GPS, total station and measuring instrument have been used. However, such equipment is poorly used in fields due to economics, environment, convenience and management. Because of this, development of substantial observational techniques for varied slope observation and field applications is needed. This study analyzed the possibility of terrestrial LiDAR for slope monitoring and suggested it as information-obtaining technique for slope investigation and management. For that, this study evaluated the monitoring accuracy of terrestrial LiDAR and performed GRID analysis to read the displacement area with the naked eye. In addition, it suggested a methodology for slope monitoring.