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무작위 대조 시험을 통한 족관절 염좌의 자침 중 심자와 천자의 비교 연구-준비 조사
박준성,김우영,백승태,이승덕,김갑성,Park, Jun-sung,Kim, Woo-young,Baek, Seung-tae,Lee, Seung-deok,Kim, Kap-sung 대한침구의학회 2004 대한침구의학회지 Vol.21 No.5
Objective : The aim of the study was to compare the therapeutic effect of the superficial and in-depth insertion of acupuncture needles in the treatment of patients with ankle sprain. Design : A prospective randomized single-blind study of superficial and deep acupuncture was conducted. Setting : The study was conducted in the Kang-nam Oriental Hosp. of Dong-Guk University. Patients: The study comprised 14 patients with ankle sprain who were divided into two groups (A and B). Intervention : In group A, the needle was introduced in the skin at a depth of 2 mm, whereas in group B the needle was placed deeply into muscular tissue or the articular capsule at a depth more than 1.5 Cm The treatment was planned for a duration of 1 week, 3 times. Outcome Measures : The intensity of pain was evaluated with the Ankle grade pain chart(AGPC) before and after treatment and at the 1-week follow-up examination. The AGPC includes Swelling, Tenderness, Exudation, Bruise, Medial/Lateral. stability test, Anterior drawer test, Squeeze test, Bearing weight, Pressure Algometer, Walking state and VAS. Results : Although at the end of the treatment there was no evidence of significant statistical differences between the two different groups, Pain reduction(VAS) was greater in the group treated with deep acupuncture. A statistical difference existed between the two groups at the 1 week follow up, with a better result in the deeply stimulated group in VAS. Conclusion : Clinical results show that deep stimulation has a better analgesic effect when compared with superficial stimulation in pain reduction(VAS, Visual analogic scale).
[논문]여러 용매계에서 Poly(vinylidene fluoride) 의 물리적 젤화에 대한 동력학 및 열역학 연구
백승태,김봉수,이장우 釜山大學校生産技術硏究所 2006 生産技術硏究所論文集 Vol.65 No.-
Poly (vinylidene fluoride) (PVDF) 물리 젤은 각 기 다른 조 건 에 서 v-butyrolactone, cyclohexanone, propylene carbonate와 같은 다양한 유기용매에서 형성된다. 첼 녹는점은 시차주사열량계로 측정하였고 젤화 시간은 시험관 틸팅방법을 통해 측정하였다. 임계 젤 농도는 PVDF의 농도와 젤화 속도로 결정되어진다. 본 연구에서는 젤화 속도는 임계 농도를 얻기 위해 구하였다. 젤화 속도는 온도에 높게 의존한다; 젤화 속도는 젤화 시간의 역수로 분석 가능하며/ 젤화는 낮은 농도에서 투명한 젤이 형성되어지는 것과 젤 형성을 위한 엔탈피 변화가 적기 때문에 낮은농도에서 액-액 상분리에 의해 일어난다. 실온에서 천천히 건조시킨 젤 필름을 주사전자현미경으로 관측하였고 젤 필름에서 많은 구정과 연결 분자 들을 관찰하였다.