• Title/Summary/Keyword: Saline Solution

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Studies on the Effect of Cation on the Activity at the 5th Instar Larvae of Bombyx mori (5령유충의 배맥관운동에 대한 양이온의 영향에 관한 연구)

  • 윤종관;사기언
    • Journal of Sericultural and Entomological Science
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    • v.18 no.2
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    • pp.89-93
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    • 1976
  • The physiological saline solution for animals is known as Ringer's solution which is used for keeping the function of cold blooded vertebrate animals. Primaily the saline solution is used for the purpose of perfusion experiment in frogs. Later the saline solution is applied in several kinds of animals including human being with satisfactory results. However, this saline solution was introduced to silkworm and it was found that the result was not as successful as in the case of other animals and human being. Normally, in the case of silkworm, the physiological saline solution is prepared in order to maintain the normal function of separated organs and tissues. To this end, the saline solution is adjusted to contain the certain amount and strength of ions, osmosis pressure and hydrogen concentration. The most of cases, the physiological saline solution should be prepared so that the constituent of the solution be the same with the blood selium and body fluid. The hydrogen concentration in the ion element of the saline solution is adjustable by adding Na$\^$+/, K$\^$+/, Ca$\^$++/, Mg$\^$++/ which are followed by adding of buffer solution such as NaHCO$_3$and NaH$_2$PO$_4$. Determination of optimum concentration of cation in the physiological saline solution, and the optimum mixing rate of more than two kinds of cations are based on the movement of dorsal vessel in the silkworm larvae. The optimum concentration of cations in the solution is prepared by adding NaCl solution which is under zero point. However, this solution was further added with the different concentration of KCl and CaCl$_2$. By dropping the prepared solution on the 5th larvae, the effects of solution was measured. The measurement was done by observation of movement' of dorsal vessel and its time length, and the number of pulses. According to the experiment, it was found that when only NaCl solution was applied, the number of pulses is increased for a moment, and the pulse stopped after one hour or so. When KCl solution was added the time of pulse was prolonged and in the contrast, the number of pulses was slow down. If KCl and CaCl$_2$solutions are added the time of pulse was further prolonged. Even though the adding of KCl and CaCl$_2$are found to be effectible, the correlation between the concentration of solution and the movement of dorsal vessel was not observed. However, it was same in the case of adding Ca$\^$++/ or K$\^$+/. It was found that when Mg$\^$++/ was added to dorsal vessel the number of the pulses was not decreased although the prolonged time pulse was observed.

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A Study on Hygienic Control of contact lens Storage case (콘택트렌즈의 저장 케이스의 위생관리에 관한 연구)

  • Shin, Jae Hyun
    • Journal of Korean Ophthalmic Optics Society
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    • v.5 no.2
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    • pp.33-42
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    • 2000
  • This study was conducted for 356 customers coming to N optometrist office in Masan city in order to evaluate practice of hygienic control of contact lens storage cases. The results were as follows: 1) For disinfection of contact lens storage case, students used wetting saline solution(42.6%), exclusive wetting solution(23.0%) and 21(11.5%) of them didn't practice disinfection. Others besides students used wetting saline solution(29.1%), boiling water(27.3%) and 42(25.5%) of them didn't practice disinfection(P<0.01). 2) For storage case washing solution, 18(85.7%) out of 21 people who belong to high economic class used wetting saline solution, 3(14.3%) used exclusive wetting solution, 141(48.0%) out of 294 people who belong to middle economic class used wetting saline solution, 129(43.9%) used exclusive solution(P<0.01). 3) For wetting solution of storage case, 132(74.6%) out of 177 students used exclusive wetting solution and the rest(25.4%) used wetting saline solution, 102(64.2%) out of 159 others besides students used exclusive wetting solution, 51(32.1%) used wetting saline solution and 6(3.8%) used sold water and city water(P<0.05). 4) 66(94.3%) out of 70 contact lens storage cases were contaminated by bacteria and Serratia marcescens was isolated in 33(47.1%) out of 70 contact lens storage cases.

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Effects of hypertonic glucose solution on acid secretion of rat stomach (흰쥐의 위산(胃酸)분비에 대한 고장(高張)포도당용액의 영향)

  • Kim, H.Y.;Cho, T.S.;Hong, S.S.
    • The Korean Journal of Pharmacology
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    • v.12 no.1
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    • pp.57-62
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    • 1976
  • Using modified technique of Schmidt et al, as described previously (Korean J. Pharmacol 9 : 17, 1973), the stomach of female rats were perfused with physiological saline under urethane anesthesia. The acid-secretory response of the perfused stomach to i.v. hypertonic glucose (50%), casein hydrolysate (20%) or saline (6%) solution were studied with or without histamine or methacholine stimulation. A significant decrease of acid secretion from the rat stomach was induced by i.v. hypertonic glucose or saline solution. The histamine-stimulated acid secretion was also decreased by simultaneous administration of the hypertonic glucose or saline. However, methacholine-stimulated acid response was not affected by the hypertonic glucose. Intravenous infusion of 20% casein hydrolysate solution resulted in an increase in acid output from the stomach under histamine stimuli. These results lead to the conclusion that the inhibitory responses of acid secretion due to i.v. hypertonic glucose solution are brought through the effect of histaminergic, not cholnergic mechanism(s) in the gastric secretion.

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The Effect of Dilution with 10% Dextrose Solution on the Potency of Botulinum Toxin A

  • Ham, Jong Wook;Kwon, Jeong-Seung;Cho, Eunae Sandra;Choi, Jong Hoon
    • Journal of Oral Medicine and Pain
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    • v.44 no.1
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    • pp.11-15
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    • 2019
  • Purpose: The aim of this study was to compare the potency-stabilizing effects of two different diluents of botulinum toxin A (10% dextrose solution and 0.9% saline). Methods: A mouse lethality bioassay was undertaken. Ninety mice were divided into experimental and control groups which received varying dosages in subgroups of 10. The experimental group was injected with botulinum toxin A diluted with 10% dextrose solution and the control group was injected with botulinum toxin A diluted with 0.9% saline. A 72 hours after intraperitoneal injection, the number of dead mice was counted to confirm median lethal dose ($LD_{50}$) of each group. Results: The value of $LD_{50}$ in the experimental group was approximately 0.131 mL (1.31 U) and the value of $LD_{50}$ in the control group was approximately 0.107 mL (1.07 U). The potency preservation rate of the experimental group was estimated to be 93.5% and that of the control group was estimated to be 76.3%. Conclusions: Dilution with 10% dextrose solution displayed less potency loss than 0.9% saline.

The Efficacy of Nebulized 3 Percent Hypertonic Saline Solution and Fenoterol in Infants with Bronchiolitis (영아 세기관지염에서 3% 고장성 식염액과 Fenoterol 병용흡입 치료의 효과)

  • Park, Joon Young;Jeong, Young Mi;Jeong, Soo Jin;Seo, Son Sang
    • Clinical and Experimental Pediatrics
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    • v.48 no.5
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    • pp.518-522
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    • 2005
  • Purpose : To evaluate the effect of inhaled hypertonic saline solution in hospitalized infants with bronchiolitis. Methods : A randomized double blind trial was performed from October 2003 to May 2004. A total of eighty patients <1 year of age with a clinical diagnosis of acute viral bronchiolitis were enrolled and assigned to receive either of the following : inhalation of 2 mL(0.5 mg) fenoterol added to 2 mL of 0.9 percent saline solution(group 1; n=40) or 2 mL(0.5 mg) fenoterol added to 2 mL of 3 percent saline solution(group 2; n=40). This therapy was repeated at six hours interval after admission. They were evaluated daily just before and 20 minutes after nebulization. The outcome measures included changes in clinical severity score(based on respiratory rate, presence of wheezing, retraction, and general condition) after nebulization and duration of hospitalization. Results : In the clinical severity score, a significant improvement was observed during the 72 hours of hospitalization in both groups(P<0.05). The basic clinical severity scores before inhalation were decreased significantly faster in group 2 as compared to group 1 on each day of treatment(P<0.05). The mean duration of hospital stay was significantly reduced in group 2 than group 1($5.9{\pm}1.9days$ versus $7.4{\pm}2.0days$, P<0.05). No adverse effects were associated with inhaled therapy. Conclusion : These results suggest that a nebulized 3 percent saline solution plus 0.5 mg fenoterol may be more effective than a 0.9 percent saline solution plus 0.5 mg fenoterol in accelerating the clinical recovery of infants with viral bronchiolitis.

Prevention of Uterine Adhesion by Sodium Carboxymethylcellulose in Dogs (Sodium Carboxymethylcellulose를 이용한 개의 자궁 유착 방지)

  • 강윤호;정종태;연성찬
    • Journal of Veterinary Clinics
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    • v.17 no.2
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    • pp.381-387
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    • 2000
  • Efficacy of a 1% solution of sodium carboxymethylcellulose (SCMC) infu7ed into the peritoneal cavity of dogs was evaluated for prevention of intraperitoneal adhesion, resulting from operations of the reproductive tract. Saline-treated deles (n = 5) were controls that underwent ventral midline celiotomy, and adhesions were cleated by incision and scraping about 5 cm segment of each uterine horn. Saline (7 ml/kg of body weight) was then infused into the peritoneal cavity. Others (n = 5) were treaded similarly to the saline-treated dogs. except that 1% SCMC :solution (7mH/kg of body weight) was infused into the peritoneal cavity. This group was studied to determine whether SCHC would prevent the adhesions in the peritoneal cavity, especially in the uterine horn model. Abdominal adhesions were evaluated and an adhesion severity score was assigned to each dog on the basis of severity of adhesions. At the time of necropsy. the mean adhesion score in the saline treated group was $2.65{\pm}0.22.$ In contrast, adhesion formation in the SCMC treated group was less ($mean score =1.70{\pm}0.26$). Statistic71 analysis was performed using the grouped t-test and paired t-test. A significanlty lower adhesion score was observed in dogs given SCMC than in the saline treated group (P<0.01). In summary, SCMC significantly reduced adhesion formation in the dog uterine horn model. The results of this study suggest that application of 1% SCMC solution, following various reproductive pelvic surgery, will present the adhesions.

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Comparisons of the Effects of A-solution and 0.9% Normal Saline Oral Gargling on Xerostomia, Halitosis, and Salivary pH in Nursing Students (아로마용액과 0.9% N/S 구강함수가 간호대학생의 구강건조, 구취 및 타액 pH에 미치는 효과 비교)

  • Cho, Mi-Kyoung;Cho, Yoon Hee
    • Journal of Korean Biological Nursing Science
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    • v.16 no.2
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    • pp.141-149
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    • 2014
  • Purpose: The purpose of this study was to compare the effects of gargling with A-Solution and 0.9% normal saline on xerostomia, halitosis, and salivary pH among nursing students. Methods: The study design was a randomized, controlled trial. The experimental group received oral gargling treatment for 15 seconds with A-solution while the control group received oral gargling treatment for the same time with 0.9% normal saline. Outcome variables were measured at baseline, 60 minutes, and 120 minutes. Results: The groups were homogeneous in general characteristics, and the outcome variables before the treatment between the experimental group and the control group. 1) There were no significant differences in xerostomia, halitosis, and salivary pH between the two groups. 2) There were no significant differences in xerostomia, halitosis, and salivary pH based on the time. 3) There were significant interactions between group and time in subjective halitosis (F=3.766, p=.034) only. Conclusion: These findings indicate that oral gargling with Aroma solution and 0.9% normal saline could have the same effect of reducing xerostomia and halitosis in nursing students.

Experimental studies of homogeneity and stability honeybee venom using ultra-high performance liquid chromatography (주사제 사용을 위한 봉독의 균질성 및 안정성 평가)

  • Han, Sang Mi;Kim, Se Gun;Hong, In Phyo;Woo, Soon Ok;Jang, Hye Ri;Lee, Kyung Woo
    • Korean Journal of Veterinary Service
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    • v.39 no.2
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    • pp.81-86
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    • 2016
  • Honeybee venom (BV) from Apis mellifera L. has been used as natural antimicrobial compounds in pigs, cows, dairy cattle and chicken farms in Korea. The purpose of this study was conducted to confirm homogeneity and stability of BV dissolved with distilled water or saline solution. Melittin was analyzed with ultra-high performance liquid chromatography (UPLC) for BV to secure the validation of analysis. BV at concentration of 1 mg/mL was dissolved with distilled water or saline solution at room temperature. Homogeneity of BV dissolved with distilled water or saline solution at upper, milddle, and lower layers all satisfied the accuracy and precision criteria. Stability of BV dissolved with distilled water or saline solution for 7 days all satisfied the criterion both light and dark storage condition. BV has satisfied with homogeneity and stability in distilled water or saline solution at room temperature under light or dark condition. The results of this study suggest that BV has a possibility as the substitute of natural antimicrobial agents for the animal drugs and feed additives.

Effects of Oral Care with 0.12% Chlorhexidine and Saline Solution on Oral Status, Incidence of Oral Pathogens and Clinical Pulmonary Infection Score in Children with Cardiac Surgery (0.12% 클로르헥시딘액과 생리식염수액을 이용한 구강간호가 소아 개심술 환아의 구강상태, 구강 내 세균 발생 수 및 폐감염 점수에 미치는 효과 비교)

  • Koo, Mi-Jee;Kim, Kyoung-Nam;Hwang, Sun-Kyung
    • Journal of Korean Academy of Fundamentals of Nursing
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    • v.18 no.3
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    • pp.356-364
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    • 2011
  • Purpose: The purpose of this study was done to investigate the effects of oral care using 0.12% chlorhexidine and saline solution on oral status, incidence of oral pathogens and pneumonia among children who had cardiac surgery. Methods: The study participants were 84 children who underwent cardiac surgery and were admitted to the SICU of a university hospital. Oral care was provided with 0.12% chlorhexidine to the experimental group (n=43) and with saline solution to the control group (n=41), 3 times a day for 3 days. Before and after the intervention, the oral status, oral swab culture, and CPIS were checked. Results: There was no significant difference in oral status score between the two groups. The incidence of oral pathogens in the experimental group was significantly lower than that of the control group (t=-5.780, p<.001). The CPIS in experimental group was significantly lower than that of control group (t=-3.665, p<.001). Conclusion: The oral care with 0.12% Chlorhexidine is more effective than with only saline solution for reducing incidence of oral pathogens and pneumonia.

EFFICACY OF HAND REAMER AND ENGINE REAMER TO PREPARE ROOT CANAL (수동(手動)리머와 전동(電動)리머의 근관형성효과(根管形成效果))

  • Kim, Sung-Kyo
    • Restorative Dentistry and Endodontics
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    • v.10 no.1
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    • pp.55-62
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    • 1984
  • This experimental study was made to evaluate the efficacy of root canal preparation of engine reamer versus hand reamer. Eighty extracted human teeth were prepared with the following treatments and devided into 4 groups; Group 1: Canal preparation with hand reamer, and irrigation with normal saline solution. Group 2: Canal preparation with engine reamer, and irrigation with normal saline solution. Group 3: Canal preparation with hand reamer, and irrigation with 3% hydrogen peroxide and 3.5% sodium hypochlorite solution. Group 4: Canal preparation with engine reamer, and irrigation with 3% hydrogen peroxide and irrigation with 3% hydrogen peroxide and 3.5% sodium hypochlorite solution. After decalcification, 5p. sections at levels 1-, 3-, and 5-mm from the apex were evaluated microscopically. The results were as follows; The effectiveness of hand reamer and engine reamer were equal in preparing the root canal at all levels from the apex, and were equal in normal saline solution groups, and 3% $H_2O_2$ and 3.5% NaOCl solution groups. Both in hand reaming groups and in engine reaming groups, some canal walls had still untouched portion, and canal irregularities and debris were still remained.

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