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Analysis on Drug Resistance of 448 Pseudomonas Aeruginosa Strains

Juan BAI ; Fangqin XU ; Xiaoliang QIAN ; Mingming WANG ; Zeqiong NING ; Xian ZHAO ; Aidong WEN

China Pharmacist.2014;(5):804-805,806.

Objective:To analyze the drug resistance of Pseudomonas aeruginosa( PA) isolated from clinical specimen to provide the guidance for the clinical treatment. Methods:The infection status of PA from January 2012 to December 2012 was reviewed retro-spectively, and the results of susceptibility test for 448 PA strains were analyzed. Results:The antibiotic susceptibility of the PA strains to cefoperazone sodium and sulbac, ampicillin aodium and aulbacta,aiprofloxacin,cefepime,piperacillin/ sulbactam,amikacin, ceftazi-dime,meropenem, imipenem, minocycline, selectrin and aefuroxime was 100%, 76%, 72. 8%, 69. 4%, 66. 3%, 65. 6%, 64. 8%, 59. 9%,28. 9%,2. 4% and 0%,respectively. Conclusion:PA is one of the main pathogenic bacteria for nosocomial infection. It is necessary to strengthen the drug resistance test and standardize the application of antibiotics in order to provide the reference for clinical rational use of antibacterial drugs.

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Dynamic Comparison of Total Flavones Content in Various Parts of Mosla Dianthera Harvested in Different Seasons

Xiaoqin SHEN ; Zhaohui XU

China Pharmacist.2014;(4):615-616,617.

Objective:To study the content of total flavones in different parts of Mosla dianthera harvested in different seasons to pro-vide reference for the determination of optimal medicinal part and harvesting time of the plant. Methods:The total flavones content of M. dianthera was determined by TLC-UV. Results:The content of total flavones extracted from the plant in September was highest, and that in the leaves was much higher than that in the stems or the roots. Conclusion:It is advisable to harvest the aerial parts of M. dianthera in September.

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Influence and Curative Effect Observation of Carvedilol on Serum Matrix Metalloproteinase -2, 9 and 10 (MMP-2, 9 and 10) in Patients with Chronic Congestive Heart Failure

Jinjin ZHU ; Zhikui SUN

China Pharmacist.2014;(5):816-817,818.

Objective: To study the influence and curative effect of carvedilol on serum matrix metalloproteinase -2, 9 and 10 (MMP-2, 9 and 10) in the patients with chronic congestive heart failure (CHF). Methods:Totally 76 patients with CHF were select-ed and randomly divided into the observation group and the control group. All the patients were given routine medical treatment, inclu-ding cardiotonic treatment ( digoxin) , diuresis ( thiadiazide) , vascular dilation ( nitrate ester) and so on. The patients in the observa-tion group were additionally given carvedilol for 6 months. The changes of serum MMP-2, 9 and 10 levels in the patients before the treatment and 6 months after the medical treatment were observed, and the curative effect and safety were studied as well. Results:Af-ter the 6-month medical treatment, the serum MMP-2, 9 and 10 levels in all the patients were obviously declined(P<0. 05), and the declining rates in the observation group were much higher than those in the control group(P<0. 05). Meanwhile, the total clinical effi-ciency of the observation group was 94. 74%, which was higher than that of the control group (78. 95%) (P<0. 05). Conclusion:Carvedilol has favorable curative effect and safety in the treatment of CIF, and the underlying mechanism may be relative to the de-crease of serum MMP-2, 9 and 10 levels.

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Clinical Effect of Titanoreine Suppositories and Hypertonic Magnesium Sulfate Solutions in the Treatment of Postpartum Hemorrhoids Acute Attack

Qingkang CHEN ; Youda WANG

China Pharmacist.2014;(5):814-815,816.

Objective:To investigate the clinical curative effect of Titanoreine suppositories combined with hypertonic magnesium sulfate solutions in the treatment of postpartum hemorrhoids acute attack. Methods:Totally 58 patients with postpartum hemorrhoids a-cute attack in our hospital from August 2012 to August 2013 were randomly divided into the observation group and the control group, 29 cases in each. The control group was treated with Titanoreine suppositories combined with hemorrhoids suppositories, and the observa-tion group was treated with Titanorein suppositories combined with hot compress using 50% sulfur acid magnesium liquids on the basis of sitz bath with potassium permanganate liquids. After the 7-day treatment, the clinical curative effect and adverse reactions were com-pared between the two groups. Results:The total effective rate in the observation group was 89. 7%(26/29), which was significantly higher than that in the control group 58. 6%(17/29). The pain relief rate on the first day was 93. 1% (27/29) in the observation group, which was also significantly higher than that in the control group 58. 6%(17/29) with statistically significant difference ( P<0. 01). Conclusion: Titanoreine suppositories combined with hypertonic magnesium sulfate solutions in the treatment of postpartum hemorrhoids acute attack is with rapid onset of action and obvious curative effect.

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Improvement of Mobile Phase in Determination Method for Penicillin V Potassium Tablets in Chinese Phar-macopoeia

Guoping YANG

China Pharmacist.2014;(5):878-879,880.

Objective:To improve the determination method for penicillin V potassium tablets. Methods:An Inertis ODS-SP C18 column (150 mm × 4. 6 mm, 5 μm) was used. The mobile phase consisted of A and B(60∶40) [ A: pH 3. 5 phosphate buffer(0. 5 mol·L-1 potassium dihydrogen phosphate solution, adjusting pH to 3. 5 with phosphoric acid)-acetonitrile-water (10∶30∶60);B:pH 3. 5 phosphate buffer-acetonitrile-water (10∶55∶35)]. The flow rate was 1. 0 ml·min-1, the detection wavelength was 268nm, the column temperature was room temperature and the injection volume was 10 μl. Results:The linear range of penicillin V potassium was 0. 032 9-0. 821 6 mg·ml-1(r=0. 999 9, and the average recovery was 99. 9%( RSD=0. 6%, n=9). Conclusion:The method is reproducible and accurate, and can be used in the content determination of penicillin V potassium tablets and capsules.

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The clinical effect of Misoprostol promoting cervical mature for before abortion

Jun ZHAO ; Heye LV

China Pharmacist.2014;(5):859-860,870.

Objective:Objective To investigate the clinical effect of Misoprostol promoting cervical mature for before abortion . Method:8 patients of induced abortion operation were enrolled in our hospital from January 2013 to January 2012 , and were randomly divided into observation group and control group, each group had 124 cases, the observation group was given misoprostol which placed in cvaginal fornix preoperative , and control group without prompting cervical ripening drug. Observation of cervical dilatation, degree of pain, operation time and bleeding volume in two groups of patients. Result: The efficiency rate of observation group was 96. 8%, significantly higher than 82. 3% in the control group, the difference was statistically significant (P<0. 05);there were 100 cases of painless in the observation group , and 51 cases in control group, the degree of pain in the observation group were obviously improved than the control group , the difference was statistically significant (P<0. 05);,operation time of treatment group was shorter than the control group, the amount of bleeding surgery was significantly lower than the control group, the differences were statistically significant (P<0. 05). Conclusion:Misoprostol is given before induced abortion , can relax cervical effectively, shorten operation time, reduce the patients' pain, reduce the difficulty of operation, increase the safety of operation , is worth the clinical promotion.

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Preparation and Transdermal Absorption in vitro of Piroxicam Nanostructured Lipid Carrier

Yang LI ; Chen CHEN ; Zhiwen FANG

China Pharmacist.2017;20(3):416-420.

Objective: To prepare piroxicam nanostructured lipid carrier and investigate its transdermal absorption behavior in vitro. Methods:Piroxicam nanostructured lipid carrier was prepared by a melt-emulsion ultrasonication and low temperature-solidifica-tion method. The physicochemical properties such as appearance, morphology, particle size distribution, PdI and zeta potential of pi-roxicam nanostructured lipid carrier were evaluated. The transdermal absorption in vitro was investigated using Franz diffusion cells. Results:Piroxicam nanostructured lipid carrier was clear and transparent with small spherical shape as seen under a transmission elec-tron microscope. The particle size distribution, PdI and zeta potential was (106. 4 ± 31. 6) nm, (0. 217 ± 0. 07) and ( -31. 6 ± 2. 5) mV, respectively. Piroxicam nanostructured lipid carrier had higher cumulative transdermal amount in 12 h than piroxicam solution. Conclusion:The nanostructured lipid carrier can remarkably improve piroxicam permeation into skin, which provides reference for the new dosage form for the topical use of piroxicam.

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Hygroscopicity of Dry Extract Powder of Hericium Erinaceus and Eathworm Biotransformation

Yuanyuan LIU ; Daijun ZHOU ; Shujin HE ; Guangyu CHEN ; Qiang LI ; Qun HE

China Pharmacist.2017;20(3):413-416.

Objective:To confirm the relative humidity conditions of preparation of Hericium Erinaceus and Lumbricus ( HD) bio-transformation and the longest operation time under the conditions through the study on hygroscopicity of dry extract powder. Methods:The solution was prepared respectively in the environment with various humidity, and the moisture absorption rate and critical relative humidity ( CRH) of dry extract powder of HD biotransformation were measured, and then the mathematical model was built and the curves of moisture percentage vs relative humidity was drawn. The parameters of moisture absorption rate, and the relative humidity and operation time with the moisture percentage up to 5% were calculated. The analytic geometry and linear regression method were used to calculate CRH, so as to determine the air humidity control range and the conditions for the production and storage process. Results:The moisture absorption of HD dry extract powder could reach 5% when exposed to the air respectively with the relative humidity of 66. 0%, 80. 8%, 88. 2% and 99. 0% for 7. 088, 3. 953, 2. 892 and 0. 661 h. When the moisture percentage reached 5%, the rela-tive humidity and the shortest time was 50. 84% and 9. 937 h, respectively. The CRH of the dry extract powder of HD biotransforma-tion was 68. 12%. Conclusion:When the dry extract powder of HD biotransformation is under preparation, the relative humidity of en-vironment should be controlled below 50. 84% with the operation time shorter than 9. 937 h, or the relative humidity is controlled below 68. 12% with the operation time shorter than 6. 810 h. Under the above conditions, the moisture absorption rate of HD dry extract pow-der can be controlled below 5%, which does not affect the preparation.

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UPLC Fingerprint of the Root of Rosa Laevigata Michx from Different Regions

Yulu LI ; Guoxu MA ; Jingquan YUAN ; Wen ZHANG ; Jieming ZOU ; Xiaoqing ZHONG ; Yanlin ZHOU ; Zuolin SU ; Nailiang ZHU ; Xudong XU ; Wei YI

China Pharmacist.2017;20(3):409-412.

Objective:To establish the fingerprint analysis method for the root of Rosa laevigata Michx from different regions by UPLC. Methods:The column was ACQUITY UPLC? Phenyl(2.1 mm × 100 mm,1.7 μm). The mobile phase consisted of methanol-water with gradient elution. The flow rate was 0. 2 ml·min-1 , the detection wavelength was 210 nm, the column temperature was 30℃, and the injection volume was 3 μl. Results:The fingerprint consisted of 15 common peaks. The range of similarity for twelve bat-ches of the root of R. laevigata Michx was 0. 489-0. 942. And the reference fingerprint of the root of R. laevigata Michx was estab-lished by UPLC. Conclusion:The fingerprint method is simple and reproducible, which can provide basis for the quality control and the medicinal resources exploration.

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Influence of Gamma-rays Radiation Sterilization on the Content and Fingerprint Chromatography of Effec-tive Constituents in Simiao Junyi Ointment

Qun HE ; Guangyu CHEN ; Shi WANG ; Siyuan PENG ; Yongheng HE ; Kun LUO

China Pharmacist.2017;20(3):405-408.

Objective:To explore the degradation effect of gamma-rays radiation sterilization on the effective constituents in Simiao Junyi ointment and study the changes of fingerprint chromatography before and after the sterilization to provide basis for the feasibility of gamma-rays radiation sterilization for Simiao Junyi ointment. Methods:The contents of tetrahydropalmatine and PNS ( Panax Notogin-seng saponins) in Simiao Junyi ointment were determined by HPLC, and the fingerprint chromatography was established. The content changes of tetrahydropalmatine and PNS in Simiao Junyi ointment before and after the gamma-rays radiation sterilization were compared among the same batch and various batches, and the relative retention time and relative peak area in the fingerprint chromatography were also compared. Results:The content of tetrahydropalmatine had no change basically before and after the gamma-rays radiation steriliza-tion(P >0. 05), and there was no change in the total content of PNS (P >0. 05). Comparing the HPLC fingerprint chromatography at 280 nm, the relative retention time had statistically significant change after the gamma-rays radiation sterilization ((P <0.05), while the relative peak area had no statistically significant change(P >0. 05). The number of characteristic peaks reduced by one, namely the C8 characteristic peak disappeared in the pasteurized chromatography, and the areas of C6, C9 and C14 peak decreased significantly, while that of C12 increased. Conclusion:Gamma-rays radiation sterilization have no notable effect on the content of tet-rahydropalmatine and PNS in Simiao Junyi ointment, it can be used for the sterilization of Simiao Junyi ointment.

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