• 제목/요약/키워드: human scalp

검색결과 79건 처리시간 0.024초

남성패션잡지에 나타난 외모의 변화양상 (The Changing Aspect of Appearances in Male Fashion Magazines)

  • 박수진;박길순
    • 한국생활과학회지
    • /
    • 제17권1호
    • /
    • pp.105-114
    • /
    • 2008
  • This study aims on observing the social recognition and its aspects for men taking care of their outer appearances at current point where men are rapidly rising as the main consumer in the beauty industry while their interest for outer appearances are increasing. Therefore, we observed the overall trend and changes in social recognition for male looks by analyzing the contents of articles in fashion magazines that play the critical role of spreading the trend while suggesting and delivering the diverse trend changes to the public to correspond to the individual and concrete demands of certain class segmented into gender, age, hobby, and more. As a result, articles related to outer appearances were divided into fashion, cosmetic and skin, hair and scalp, body figure care, cosmetic surgery, and others, and among them, fashion category took up the highest ratio. Also, articles related to outer appearances increased even more according to the change in time, where articles related to fashion and hair increased while articles of other categories decreased.

Copper, Zinc, and Aluminium Level in Scalp Hair Samples of Daegu and Kyungbuk Residents

  • Kim, Min-Jeong;Kim, Ki-Sok
    • 대한의생명과학회지
    • /
    • 제16권4호
    • /
    • pp.323-330
    • /
    • 2010
  • Although copper and zinc are essential metals for human health, excessive level of these metals is toxic. Besides, aluminum is known to induce various adverse health effects including neurological disorders. Therefore, monitoring the human body burden of these metals is important in preventing adverse health effects. In this study, we assessed the exposure to copper, zinc, and aluminum among an adult population residing in Daegu and Kyungbuk areas. Based on data from 171 participants, we found that the geometric mean copper, zinc, and aluminum concentrations in hair were $15.1\;{\mu}g/g$ [95% confidence interval (CI): 13.1~17.5], 76.9 (95% CI: 70.4~84.1), and $1.11\;{\mu}g/g$ (95% CI: 0.81~1.51), respectively. The copper concentrations in hair were significantly related to age, education, and residence area. In addition, zinc concentrations in hair were significantly related to age, whereas higher hair aluminum concentrations were related to alcohol drinking. Correlations between copper and zinc in hair had a significant positive correlation. Our findings suggest that the body burden of copper, zinc, and aluminum varies according to demographic factors, and hair could be used as a valuable biological medium for metal exposure.

Development of in vitro 3D hair growth model using tissue engineering technology

  • Park, Jung-Keug
    • 한국생물공학회:학술대회논문집
    • /
    • 한국생물공학회 2003년도 생물공학의 동향(XIII)
    • /
    • pp.113-117
    • /
    • 2003
  • 모낭은 복잡한 상호작용을 통하여 성장 및 주기가 조절되며 다양한 세포들로 구성진 기관이다. 본 연구에서는 조직공학적 방법을 이용하여 모낭을 구성하는 세포들을 분리 및 배양하였고 세포들의 형태와 증식양상을 관찰할 수 있었고, 기관배양의 방법을 통하여 in vitro에서 첨가물에 대한 모발의 성장 및 주기의 변화를 살펴보았다.

  • PDF

A Study on the Walking Recognition Method of Assistance Robot Legs Using EEG and EMG Signals

  • Shin, Dae Seob
    • 전기전자학회논문지
    • /
    • 제24권1호
    • /
    • pp.269-274
    • /
    • 2020
  • This paper is to study the exoskeleton robot for the walking of the elderly and the disabled. We developed and tested an Exoskeletal robot with two axes of freedom for joint motion. The EEG and EMG signals were used to move the joints of the Exoskeletal robot. By analyzing the EMG signal, the control signal was extracted and applied to the robot to facilitate the walking operation of the walking assistance robot. In addition, the brain-computer interface technology is applied to perform the operation of the robot using brain waves, spontaneous electrical activities recorded on the human scalp. These two signals were fused to study the walking recognition method of the supporting robot leg.

뇌혈관 중재적 시술 시 Bismuth 차폐체 설치의 유용성에 대한 연구 (Usefulness of Bismuth Shielding in Cerebral Vascular Intervention)

  • 김재석;손진현;김영길
    • 한국정보통신학회:학술대회논문집
    • /
    • 한국정보통신학회 2017년도 춘계학술대회
    • /
    • pp.179-182
    • /
    • 2017
  • 뇌신경계 인터벤션시술은 장시간의 시술로 인해 피부의 수포 탈모 홍반등의 방사선 피폭으로 인한 위해가 빈번히 보고되어 지고 있다. 이에 CT(computed tomography) scan 시 피부 및 방사선 감수성이 예민한 인체의 전방부에 위치한 표적장기의 방사선 피폭을 감소시킬 목적으로 제작된 bismuth 차폐체를 인체공학적인 설계에 의하여 뇌혈관계 인터벤션 시술에 적용함으로써 방사선 감수성이 비교적 예민한 두피의 방사선 피폭 저감화를 위하여 연구를 제안 하고자 한다.

  • PDF

Average 기법에 의한 Visual-TEP의 검출과 DC-Drift 제거에 의한 TEP 신호개선에 관한 연구 (Studies on the Detection of Visual-TEP with Average Method & the Improvement of TEP with DC-Drift Elinination)

  • 배병훈;최정미
    • 대한의용생체공학회:의공학회지
    • /
    • 제15권2호
    • /
    • pp.135-142
    • /
    • 1994
  • This paper presents average method to detect Visual-Transient Evoked Potential from the human scalp electric potential measured by the ElectroEncephaloGram. To confirm the validity of average method, the average-process is performed with both stimulated and no-stimulated potentials respectively, and both results are compared. The specific waveform, which is visual-transient evoked potential, is produced only in the case of stimulated potential. It was found that a dc-drift, due to instrumentation errors and other noises, can produce significant changes in the evoked-potential waveform. This can be removed with a high-pass filter (cut-off frequency=0.5Hz).

  • PDF

Lipo-PGE1이 이식된 지방 생존에 미치는 영향 (The Effect of Lipo-PGE1 on the Viability of Injected Adipose Tissue on Mouse Model)

  • 오의선;정지은;유대현
    • Archives of Plastic Surgery
    • /
    • 제37권5호
    • /
    • pp.526-530
    • /
    • 2010
  • Purpose: With the recent recognition of the importance of soft-tissue fillers, fat grafting has been assumed an increasingly important role as both an adjunctive and a primary procedure in aesthetic and reconstructive surgery. The main problem in achieving long-term soft-tissue augmentation is partial absorption of the injected fat and hence the need for overcorrection and re-injection. The purpose of this study is to improve the viability of the injected fat by the use of Lipo-PGE1. Methods: Human adipose tissue, obtained by suctionassisted lipectomy, was re -injected into the subcutaneous layer in the scalp of ICR mice. Lipo-PGE1 ($0.5{\mu}g$/kg) was injected intravenously in experimental group for 7 days from the operation day and saline was injected in control group. There were 5 animals in each group. The animals were euthanized 4 weeks after the procedure. Graft weight and volume were measured and histologic evaluation was performed. Result: Histologic analysis demonstrated significantly less cyst formation and less inflammatory reaction in the group treated with Lipo-PGE1. No significant difference was found between the groups regarding graft volume or the other histologic parameters investigated. Significant differences were demonstrated in microvascular density count. Conclusion: Less cyst formation, less inflammation, more angiogenesis indicating improved quality of the injected fat can be obtained by the addition of Lipo-PGE1. Further studies of various dosages of Lipo-PGE1 and their long-term effect are required before these encouraging results could be applied clinically.

동씨침법(董氏針法)과 십이정경(十二正經)의 상관성(相關性)에 관(觀)한 연구(硏究) (Bibliographic Study on the Interrelation between Dong Shi' Acupuncture and Twelve Regular Channels)

  • 장진요;김경식;손인철
    • Korean Journal of Acupuncture
    • /
    • 제19권1호
    • /
    • pp.107-130
    • /
    • 2002
  • In the clinics of traditional medicine, various acupuncture methods, that is Sa-Am' acupuncture, scalp acupuncture, auricular acupuncture and Dong-Shi' acupuncture, have been introduced and increased gradually to treat the diseases. In this bibliographic study, we examined the interrelation between the Dong Shi' acupuncture and 12 regular channels. The theoretical origination of Dong Shi' acupuncture and 12 regular channels was applied from Yin and Yang, Five Element, State of Viscera and so on. As the treatment using by 12 regular channels have used to 'regulating Qi and Treating Shin (調氣治神)', Dong Shi' acupuncture have used to the itself defense mechanism and relative balance of human beings. Also, these methods have the same rules that was selected to the opposing needling (巨刺) of remote point selection, however, Ah-Shi' points (阿是穴) were not used for the selection. Of Dong-Shi' acu-points, there were many ones which have the same location as the acupoints of regular channels. However, these one was renamed according to the new characteristics and therapeutics found by Dong Shi. Dong Shi' acupuncture has divided human body to the 12 areas but not considered to the concept of a mutual connection of human being body. The needling manipulation methods were vary at the regular channels, but Dong Shi' acupuncture did not use the traditional manipulation method except for supplementary Dong-Qi acupuncture, To-Ma acupuncture and To-In acupuncture. From these study, we found that the Dong-Shi' acupuncture have something in common with 12 regular channels, although the Dong-Shi' acupuncture was not based on the theory of 12 regular channels.

  • PDF

시각 자극 동안의 유발성 전위분포 의 중심점 추적에 관한 연구 (The Center Locus Estimation of the Evoked Potential Distributions During Visual Stimulation in Human)

  • 박광석;민병구;이충웅
    • 대한전자공학회논문지
    • /
    • 제20권3호
    • /
    • pp.6-12
    • /
    • 1983
  • 시각 자극을 주었을 때 이에 유발되어 나타나는 전위를 두피에 19개의 전극을 부착하고 측정하여 500Hz의 표본화 주파수로 A/D변환하였다. 이들 전위들의 분포로부터 각 전극의 좌표에 의해서 결정된 웨이팅 매트릭스를 사용하여 전위 분포의 중심점을 구하고 시간에 따른 이동 상태를 5명의 대상인과 4명의 비정상인에 대하여 분석하였다. 정상인에게서는 자극에 의한 시각적 정보가 시신경 경로를 통해서 전기적 신호로 전달되는 형태를 파악할 수 있었고, 비정상인의 경우에는 이러한 현상이 나타나지 않는 것을 발견하였다. 또한 본 연구의 중심점 추적의 방법과 다이폴 소오스 모델, 포인트 소오스 모델과의 관계를 검토 분석하였다.

  • PDF