• 제목/요약/키워드: Plasma medicine

검색결과 2,399건 처리시간 0.025초

Therapeutic Effect of Low-Energy Nitrogen Plasma Pulses on Tinea Pedis

  • Kim, Heesu;Kim, Hyun-Jo;Cho, Sung Bin
    • Medical Lasers
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    • 제8권1호
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    • pp.28-31
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    • 2019
  • Superficial fungal infections with dermatophytes, nondermatophyte molds, or yeasts are treated primarily with topical and/or systemic antifungal agents. Additional or alternative treatment modalities, particularly energy-delivering modalities, however, are used widely to induce fungicidal effects via selective photothermal reactions. In addition to light- or laser-based devices, plasma therapy also has antifungal properties. This report describes a Korean male patient with mycologically confirmed tinea pedis that was treated effectively with two sessions of nitrogen plasma treatment at one-week intervals using a plasma delivering system. Nitrogen plasma was prepared by loading a 0.28-ml inert nitrogen gas/pulse that was activated by a microwave generator. The other treatment settings were a nozzle diameter of 5 mm, pulse energy of 0.75 J, pulse duration of 7 msec, and two passes. One week after the first session of nitrogen plasma treatment, the patient exhibited marked reductions in scale and inflammation. One month after the final treatment, no clinical features of recurrence were found, and successive potassium hydroxide testing revealed negative results.

Culturing of Rat Intestinal Epithelial Cells-18 on Plasma Polymerized Ethylenediamine Films Deposited by Plasma Enhanced Chemical Vapor Deposition

  • Choi, Chang-Rok;Kim, Kyung-Seop;Kim, Hong-Ja;Park, Heon-Yong;Jung, Dong-Geun;Boo, Jin-Hyo
    • Bulletin of the Korean Chemical Society
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    • 제30권6호
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    • pp.1357-1359
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    • 2009
  • Many researchers studied cell culturing on surfaces with chemical functional groups. Previously, we reported surface properties of plasma polymerized ethylenediamine (PPEDA) films deposited by plasma enhanced chemical vapor deposition with various plasma conditions. Surface properties of PPEDA films can be controlled by plasma power during deposition. In this work, to analyze correlation of cell adherence/proliferation with surface property, we cultured rat intestinal epithelial cells-18 on the PPEDA films deposited with various plasma powers. It was shown that as plasma power was decreased, density of cells cultured on the PPEDA film surface was increased. Our findings indicate that plasma power changed the amine density of the PPEDA film surface, resulting in density change of cells cultured on the PPEDA film surface.

부자(附子) 전탕액(煎湯液) 투여(投與)가 백서(白鼠)의 혈장(血漿) Renin 활성도(活性度), 혈장(血漿) Aldosterone 및 Atrial Natriuretic Peptide 농도(濃度)에 미치는 영향(影響) (Effects of Radix Aconiti Water Extract on the Plasma Renal Activity and Plasma Levels of Aldosterone and Atrial Natriuretic Peptide in the Rats)

  • 이호섭;유윤조
    • 대한한의학회지
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    • 제17권2호
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    • pp.291-295
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    • 1996
  • The aim of this experiments was to investigate the effecd of Radix Aconiti water extrac on the plasma renin activity and plasma levels of aldosterone and atrial natriuretic peptide in rats. The results of study were as follows; Plasma renin activity was decreased significantly after administration of Radix Aconiti water extract. Plasma levels of aldosterone was decreased significantly after administration of Radix Aconiti water extract. Plasma levels of atrial natriuretic peptide was not changed after administration of Radix Aconiti water extract.

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구기자(枸杞子) 전탕액(煎湯液)이 실험적(實驗的) 신성(腎性) 고혈압(高血壓) 백서(白鼠)의 혈압(血壓)과 혈장(血漿) Renin 활성도(活性度) 및 ANP 농도(濃度)에 미치는 영향(影響) (Effects of Lycii Fructus Water Extracts on the Blood Pressure, Plasma Renin Activity and Plasma Levels of Atrial Natriuretic Peptide in Two-Kidney One Clip Goldblatt Hypertensive Rats)

  • 이호섭;류도곤;윤용갑;유윤조
    • 대한한의학회지
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    • 제17권1호
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    • pp.37-46
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    • 1996
  • The aim of this experiments was to investigate the effect of Lycii Fructus water extracts on the blood pressure, plasma renin activity and plasma levels of atrial natriuretic peptide in two-kidney one clip Goldblatt hypertensive rats. Systolic blood pressure was decreased significantly after administration of Lycii Fructus water extracts. Plasma levels of atrial natriuretic peptide was increased significantly after adminstration of Lycii Fructus water extracts. Plasma renin activity was not changed after adminstration of Lycii Fructus water extracts. Thease results suggested that the depressor response after adminstration of Lycii Fructus water extracts were related with the changes of the plasma levels of atrial natriuretic peptide.

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Platelet-rich plasma treatment in patients with refractory thin endometrium and recurrent implantation failure: A comprehensive review

  • Kim, Min Kyoung;Song, Haengseok;Lyu, Sang Woo;Lee, Woo Sik
    • Clinical and Experimental Reproductive Medicine
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    • 제49권3호
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    • pp.168-174
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    • 2022
  • Refractory thin endometrium and recurrent implantation failure are among the most challenging infertility-related factors hindering successful pregnancy. Several adjuvant therapies have been investigated to increase endometrial thickness and the pregnancy rate, but the treatment effect is still minimal, and for many patients, these treatment methods can be quite costly and difficult to approach. Platelet-rich plasma (PRP) is an autologous concentration of platelets in plasma and has recently been elucidated as a better treatment option for these patients. PRP is rich in cytokines and growth factors, which are suggested to exert a regenerative effect at the level of the injured tissue. Another advantage of PRP is that it is easily obtained from the patient's own blood. We aimed to review the recent findings of PRP therapy used for patients with refractory thin endometrium and recurrent implantation failure.

Effect of Jaeumkanghwatang (JEKHT), a Polyherbal Formula on the Pharmacokinetics Profiles of Tamoxifen in Male SD Rats (1) - Single Oral Combination Treatment of Tamoxifen 50 mg/kg with JEKHT 100 mg/kg within 5 min -

  • Kwak, Min A;Park, Soo Jin;Park, Sung Hwan;Lee, Young Joon;Ku, Sae Kwang
    • 대한한의학회지
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    • 제37권2호
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    • pp.1-11
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    • 2016
  • Objectives: The objective of this study was to elucidate the effect of Jaeumkanghwatang (JEKHT) on the plasma concentration and pharmacokinetics of tamoxifen in combination therapy as a process of the comprehensive and integrative medicine against breast cancer. Methods: After 50 mg/kg of tamoxifen treatment, JEKHT 100 mg/kg was orally administered within 5 min. The plasma were collected at 30 min before administration, 30min, 1, 2, 3, 4, 6, 8 and 24 hrs after end of JEKHT treatment, and plasma concentrations of tamoxifen were analyzed using LC-MS/MS methods. PK parameters of tamoxifen ($T_{max}$, $C_{max}$, AUC, $t_{1/2}$ and $MRT_{inf}$) were analysis as compared with tamoxifen single administered rats. Results: JEKHT did not influenced on the plasma concentrations and pharmacokinetics of tamoxifen after single oral co-administration, within 5min except for some negligible effects on plasma concentration. The $T_{max}$, $C_{max}$, AUC, $t_{1/2}$ and $MRT_{inf}$ of tamoxifen in co-administered rats were quite similar to those of tamoxifen single treated rats. Conclusions: Based on the results of the present study, JEKHT did not influenced on the oral bioavailability of tamoxifen, when they were single co-administered within 5min. However, more detail pharmacokinetic studies should be tested to conclude the possibilities that can be used as comprehensive and integrative therapy with JEKHT and tamoxifen for breast cancers, when they were co-administered, like the effects on the pretreatment of JEKHT and after repeat co-administrations.

산후우울증 환자에서 혈중 Nitric Oxide Metabolites의 혈장 농도의 변화 (Plasma Levels of Nitric Oxide Metabolites in Patients with Postpartum Depression)

  • 이분희;김계현;신영철;김정범;김용구
    • 생물정신의학
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    • 제13권1호
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    • pp.19-25
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    • 2006
  • Background : Some reports have suggested that decreased nitric oxide metabolites($NO_x$) and activity of nitric oxide synthase could be related to the pathophysiology of depression. We evaluated plasma levels of $NO_x$ in pregnant women with and without postpartum depression at prenatal and postnatal period. Methods : The plasma concentrations of $NO_x$ were measured in 104 pregnant women in the third trimester and at 6 weeks postpartum and in 64 normal controls. The severity of depression and anxiety was measured with the Edinburgh Postnatal Depression Scale(EPDS), Beck Depression Inventory(BDI), and Beck Anxiety Scale(BAI). Results : Plasma $NO_x$ levels at 6 weeks postpartum were significantly lower in cases of postpartum major depression(EDPS scores${\geq}$13 points) than in cases without depression(EDPS scores${\leq}$9 points). Plasma $NO_x$ levels had significantly negative correlation with EPDS scores at 6 weeks postpartum. Conclusion : We demonstrate that decreased plasma $NO_x$ is associated with postpartum depression. Further studies are required to determine whether individual serum concentration of plasma $NO_x$ alone could predict maternal depression.

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연 폭로 근로자들의 지질과산화 및 항산화상태에 관한 연구 (LIPID PEROXIDATION AND ANTIOXIDANTS IN WORMERS EXPOSED TO LEAD)

  • 이원진;황천현;김청식;장성훈;김양호;김해준
    • Journal of Preventive Medicine and Public Health
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    • 제31권3호
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    • pp.449-459
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    • 1998
  • This study was started to find out if plasma malondialdehyde(MDA), $\alpha-tocopherol$ and erythrocyte superoxide dismutase(SOD) activity could be markers of biological activity resulting from exposed to lead in workers. Blood samples were randomly obtained from lead-exposed workers(n=29), $CO_2$, welders(n=60) and office workers(n=60). We used whole blood to analyse blood lead with atomic absorption spectrophotometer. Superoxide dismutase activity in erythrocyte was measured with spetrophotometer. MDA and $\alpha-tocopherol$ in plasma were measured with high performance liquid chromatography. Lead-exposed workers was significantly high in blood lead concentration$(29.37{\mu}g/d\ell)$ compared with welders$(6.42{\mu}g/d\ell)$ and office workers$(5.01{\mu}g/d\ell)$. The level of plasma MDA was significantly higher in the lead-exposed workers($1.87{\mu}mol/g$ cholesterol) than the welders($1.41{\mu}mol/g$ cholesterol) and office workers($1.41{\mu}mol/g$ cholesterol). Erythrocyte SOD activity in lead-exposed workers(56.80 U/g Hb) was significantly increased than those of welders(37.63 U/g Hb) and office workers(20.47 U/g Hb). The plasma $\alpha-tocopherol$ level of lead-exposed workers($4.93{\mu}g/g$ cholesterol) was statistically different from welders($4.25{\mu}g/g$ cholesterol) and office workers$4.28{\mu}g/g$ cholesterol). Neither age nor smoking was related to SOD or MDA level. Blood lead was significantly correlated with erythrocyte SOD activity(r=0.405), plasma MDA(r=0.296) and $\alpha-tocopherol$ (r=0.207). Plasma MDA was also significantly correlated with SOD (r=0.217). In multiple regression analysis, the change of MDA and SOD activity level related to the blood lead concentration. These results suggested that the increase of plasma MDA and erythrocyte SOD activity in lead-exposed workers had a close relationship with the oxidative stress induced by lead.

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A study of the relationship between clinical phenotypes and plasma iduronate-2-sulfatase enzyme activities in Hunter syndrome patients

  • Lee, Ok-Jeong;Kim, Su-Jin;Sohn, Young-Bae;Park, Hyung-Doo;Lee, Soo-Youn;Kim, Chi-Hwa;Ko, Ah-Ra;Yook, Yeon-Joo;Lee, Su-Jin;Park, Sung-Won;Kim, Se-Hwa;Cho, Sung-Yoon;Kwon, Eun-Kyung;Han, Sun-Ju;Jin, Dong-Kyu
    • Clinical and Experimental Pediatrics
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    • 제55권3호
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    • pp.88-92
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    • 2012
  • Purpose: Mucopolysaccharidosis type II (MPS II or Hunter syndrome) is a rare lysosomal storage disorder caused by iduronate-2-sulfatase (IDS) deficiency. MPS II causes a wide phenotypic spectrum of symptoms ranging from mild to severe. IDS activity, which is measured in leukocyte pellets or fibroblasts, was reported to be related to clinical phenotype by Sukegawa-Hayasaka et al. Measurement of residual plasma IDS activity using a fluorometric assay is simpler than conventional measurements using skin fibroblasts or peripheral blood mononuclear cells. This is the first study to describe the relationship between plasma IDS activity and clinical phenotype of MPS II. Methods: We hypothesized that residual plasma IDS activity is related to clinical phenotype. We classified 43 Hunter syndrome patients as having attenuated or severe disease types based on clinical characteristics, especially intellectual and cognitive status. There were 27 patients with the severe type and 16 with the attenuated type. Plasma IDS activity was measured by a fluorometric enzyme assay using 4-methylumbelliferyl- ${\alpha}$-iduronate 2-sulphate. Results: Plasma IDS activity in patients with the severe type was significantly lower than that in patients with the attenuated type ($p$=0.006). The optimal cut-off value of plasma IDS activity for distinguishing the severe type from the attenuated type was 0.63 $nmol{\cdot}4hr^{-1}{\cdot}mL^{-1}$. This value had 88.2% sensitivity, 65.4% specificity, and an area under receiver-operator characteristics (ROC) curve of 0.768 (ROC curve analysis; $p$=0.003). Conclusion: These results show that the mild phenotype may be related to residual lysosomal enzyme activity.

정상 분만견과 태아사 발생견에서의 혈장 Progesterone 농도 비교 (Comparison of Plasma Progesterone Concentrations between Spontaneous Delivery Bitches and Fetal Death Bitches)

  • 배재한;박철호;김상일;류재선;서국현;박인철;김종택;오기석;손창호
    • 한국수정란이식학회지
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    • 제26권1호
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    • pp.45-51
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    • 2011
  • This study investigated potential relationship between fetal deaths and plasma progesterone concentrations of bitches. Serial ultrasonographic examinations were performed on small-pet 23 dogs from gestation day (GD) 15 through parturition. The dogs were 3 non-pregnant bitches, 9 spontaneous delivery bitches, 6 partial early embryonic death bitches, 2 whole early embryonic death bitches, and 3 aborted bitches. The late pregnancy (GD 51-54) appeared in 2 of the 3 aborted bitches and the hypoluteoidism appeared in 1 of the 3 aborted bitches. The plasma progesterone concentrations of partial early embryonic death bitches (n=6) showed no significant difference when compared with the spontaneous delivery bitches. We observed that plasma progesterone concentrations were dramatic decrease before the onset of embryonic death in whole early embryonic death bitches that plasma progesterone concentrations of aborted bitches at late pregnancy were significantly decreased when compared with those of spontaneous delivery bitches. The plasma progesterone concentrations of the hypoluteoidism bitch were lower than those of spontaneous delivery bitches. At the hypoluteoidism bitch, fetuses were resorbed in early pregnancy and aborted in late pregnancy. On the basis of the results, the diagnosis of partial early embryonic death could not be confirmed without ultrasonographic examination. The partial early embryonic death was considered a spontaneous phenomenon and uncorrelated with plasma progesterone concentration. However, aborted bitches and whole early embryonic death bitches were related to plasma progesterone concentrations and that of bitches gradually decreased before fetal death. These findings suggest that administration of progesterone may be a useful preventing agent against fetal death.