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  • Orginal Article
    Chengyang FENG,Chengliang ZHANG,Dong LIU
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    Natural Calculus Bovis, one of the precious traditional Chinese medicines, is the dried gallstone in bovine gallbladder, bile duct or hepatic duct. It is one of the essential components of the formulation of a variety of traditional Chinese medicines. Due to high price and rareness of natural Calculus Bovis, Chinese researchers have developed artificial Calculus Bovis, cultured Calculus Bovis and Calculus Bovis Sativus as substitutes of it. They are mainly composed of bilirubin, bile acids, amino acids and inorganic elements. Due to the co-existence of natural Calculus Bovisa and its substitutes in the market, and the complex composition of them, identification, quality control and material basis study of them are important issues in recent years. Currently, the quality control of them mainly focus on cholic acid and bilirubin. In order to fully solve the quality control problem of natural Calculus Bovis and its substitutes, researches on testing techniques of other bile acids or other components have already started. In this paper, research progress on the chemical compositions, quality control and the test technology of bilirubin, bile acids, amino acids and other components of Calculus Bovis are reviewed, in order to provide reference for further research of Calculus Bovis.

  • Orginal Article
    Chencai LI,Yumei DONG,Guiming JIN
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    Fever in patients with severe craniocerebral injury was a frequent occurrence. The rate of fever patients lead to plant man or death high up to 28%-72%. The univariate analysis found that there was significant association between fever and motality. One of the common cause of fever was non-infectious fever, which related with craniocerebral injury, including central fever,dehydration fever, clonus and rebleading fever. The major complication was central high fever after servere craniocerebral injury. The temperature high up to 39 ℃, which aggravated the original basic diseases, lead to respiratory and circulatory failure. Another cause of fever was infection fever which associated with nosocomial infection. Serious disease,long hospiltal stay, high proportion of invasive operation, coma were the high risk factors of patients with craniocerebral injury. The major type of nosocomial infection were pulmonary infection and surgical site infection. By reviewing domestic and foreign literatures and expert consensus, this article was intended to explore the characteristics and mechanism of fever in patients with craniocerebral injury. In order to reduce the secondary brain injury, decrease the disability rate, increase the survival rate, diagnosis and treatment should be taken early.

  • Orginal Article
    Yinglin MA,Yiping ZHOU,Yu ZHOU,Kunyu JIANG,Shengnan MENG
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    ObjectiveTo study the effects of different transport protein on the transport of 7,4’-dihydroxyflavone (7,4’-DHF) and its metabolite(7,4’-DHF-S) in Caco-2 cell model. MethodsUltra performance liquid chromatography was employed to determinethe content of 7,4’-DHF and 7,4’-DHF-S incubation buffer, their structures were identified by LC-MS/MS. Bidirectional transport of Caco-2 cells model was used to investigate the influence of ko143(the inhibitor of BCRP) and MK571(the inhibitor of MRP2) on the transport of 7,4’-DHF and 7,4’-DHF-S,respectively. ResultsMetabolic product of 7,4’-DHF in Caco-2 monolayer cell was identified as one monosulfate; PDR of 7,4’-DHF was (1.43±0.11), PDR of ko143 and MK571 on the apparent permeability of 7,4’-DHF was(1.59±0.04) and (1.48±0.07) (P>0.05); PDR of 7,4’-DHF-S was (1.60±0.06);ko143 could significantly reduce the apparent permeability of 7,4’-DHF-S, and the PDR was (0.23±0.03) (P<0.01);MK571 had no significant effect on the apparent permeability of the 7,4’-DHF-S, and the PDR was (1.51±0.04) (P>0.05). ConclusionCaco-2 cells can mediate the sulfonated reaction of 7,4’-DHF; 7,4’-dihydroxyflavone sulfonated combination product may be a substrate for BCRP.
  • Orginal Article
    Jing LU,Yan CHEN,Meihua GUO,Zhao QIAN,Ting QU,Lijuan DUAN,Xin HAI
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    ObjectiveTo establish a high performance liquid chromatography (HPLC) method for determining phenytoin concentration in epilepsy patients' plasma, and compare this method with chemiluminescence microparticle immunoassay (CMIA), and to evaluate the consistency of the two methods. MethodsHPLC and CMIA methods were applied to determine the plasma concentration of phenytoin in 60 epileptic patients, respectively. The difference of results was analyzed by two-side paired t-test, and then the correlation and consistency of the two methods were investigated with Passing-Bablok regression and Bland-Altman method. ResultsThere was no significant difference between the results of the two methods (P>0.05).The regression equation of the determination results by HPLC (Y) and CMIA (X) was Y=0.992 9X+0.143 7 (R2=0.992 6,n= 60), which indicated the correlation of the two methods was good. Bland-Altman analysis showed that the consistency of the two methods for determining was good. ConclusionHPLC and CMIA method in monitoring plasma concentration of phenytoin have good correlation and consistency. Both methods can be used for therapeutic drug monitoring of phenytoin.
  • Orginal Article
    Xi GUAN,Liang ZHAO,Li LIU,Desheng XU
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    ObjectiveTo explore the mechanism of Xiaoying decoction on experimental autoimmune thyroiditis (EAT)rats in view of regulatory T cells and Th17 cells. MethodsSD rats were divided into five groups,normal control group,model control group, tripterygium glycoside group,Xiaoying decoction low and high dose groups. Except for normal control group,the other groups were established the model of EAT.Rats in the Xiaoying decoction low,and high dose groups were given Xiaoying decoction of 17.24 and 68.95 g·kg-1; rats in the tripterygium glycoside group were given tripterygium glycoside 6.25 mg·kg-1.The serum free triiodothyronine(FT3),free thyrocyte(FT4) and thyroglobulin antibody were detected by RIA method.Thyrocyte morphology was observed under optical microscope.The expression levels of Foxp3 mRNA and IL-17 mRNA were detected by real-time PCR.The changes of Treg cells and Th17 cells were analyzed by flow cytometry. ResultsCompared with the normal control group,FT3,FT4 and TgAb were increased in the model control group (P<0.01,P<0.01,P<0.05). Compared with the model control group, FT3,FT4 and TgAb were decreased in tripterygium glycoside group and Xiaoying decoction high dose group (P<0.05).The infiltration score in the normal control group,model control group,tripterygium glycoside group,Xiaoying decoction low and high dose groups were 0,4,4,3.5,2.Compared with model control group,the infiltration was improved (P<0.01).Foxp3 mRNA expression was decreased while IL-17 mRNA increased in the model control group as compared with the normal control group(P<0.01).In contrast, the expression of Foxp3 mRNA was increased and IL-17 mRNA expression was decreased in Xiaoying decoction low and high dose groups,tripterygium glycoside group as compared with the model control group (P<0.05). Compared with the normal control group,rats in the model control group had fewer Treg cells and more Th17 cells (P<0.01). Compared with the model control group, the percentage of Treg cells was elevated and Th17 cells was reduced in tripterygium glycoside group and Xiaoying decoction high dose groups (P<0.01). ConclusionThe therapeutic mechanism of Xiaoying decoction on EAT rats may be related to changing the percentage of regulatory T cells and Th17 cells with up-regulating the expression of Foxp3 mRNA and down-regulating the expression of IL17mRNA.
  • Orginal Article
    Desen YANG,Guoping GANG,Haohao LI,Gangjian JI,Shaolin CHEN,Si HOU
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    ObjectiveTo study the effect of salidroside(Sal) on learning and memory abilities and expression of p75NTR signal transducers and Aβ in AD rat hippocampus. MethodsTotally, ninety-six male SD rats were randomly divided into sham-operation group, model control group, Sal low, medium and high dose group, Hup-A group (16 rats in each group). Except for sham-operation group,AD model in the other group was established by slowly injecting 1μL(10 μg)Aβ1-40 in tobilateral hippocampal CA1 area. Sham-operation group was given the same volume of 0.9% sodium chloride solution. Sal low, medium and high dose group took orally as early as 24 h postoperatively with salidroside 25,50,100 mg·kg-1 for 21days,while Hup-A group took 50 mg kg-1of Hup-A orally. The same volume of 0.9% sodium chloride solution was administrated in sham-operation group and model control group. After administration, the learning and memory function of rats were tested by Morris water maze. The contents of Aβ in serum and hippacampus were determined by ELISA, and protein expression of p75NTR and p-JNK in the hippocampus of the rats were measured by ELISA. ResultsCompared with model control group, the latent time in water maze training of Sal low, medium and high dose groups were significantly shortened (P<0.05 or P<0.01),the number of times of crossing platform of Sal low, medium and high dose group was significantly increased. The contents of Aβ in the hippocampus and the protein expression levels of p75NTR and p-JNK in the hippocampus of Sal low, medium and high dose group were decreased significantly(P<0.05,P<0.01). ConclusionSalidroside has protective effects on learning and memory consolidation of dysmnesia rats caused by Aβ. Its mechanism might be related to inhibition of p75NTR regulation pathways for Aβ, reducing the neurotoxic effect of Aβ, so as to reduce cell apoptosis of hippocampus neuron.
  • Orginal Article
    Juan CHEN,Qingwen WU,Yufeng JIA,Yuefa CHENG,Xiaowei WANG,Ruiyu GUO
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    ObjectiveTo analyze the protective effects of butylphthalide(NBP) on apoptosis factors (p-JNK, Fas and FasL) of death receptor pathway in JNK pathway of cell model of Parkinson's disease (PD). MethodsSH-SY5Y cell apoptosis model induced by MPP+ was established in vitro. The cells were divided into four groups: normal control group, SH-SY5Y cells were treated with complete medium without drug intervention; MPP+ group, 1 mmol·L-1 MPP+ was added into the cells; NBP+MPP+ group, the cells were pretreated with 10 mol·L-1 NBP for 3 h and added with 1 mmol·L-1 MPP+; SP600125+MPP+ group, the cells were cultured with 10 mol·L-1 JNK inhibitor SP600125 pretreatment for 3 h and 1 mmol·L-1 MPP+ was added. The proliferative potentiality of SH-SY5Y cells induced by MPP+ was measured by MTT. The apoptotic rate was analyzed by Annexin-V/PI (FCM).The morphology of SH-SY5Y cells was observed by inverted phase contrast microscope. The expression of apoptotic protein p-JNK, Fas, FasL was detected by Western blotting. ResultsThe cell proliferative potentiality in the MPP+ group (49.30±2.07)% was significantly lower than that of the normal control group (100.00±0.00)%(P<0.05).The cell proliferative potentiality in NBP+MPP+ group and SP600125+MPP+ group were (71.90±2.10)% and (76.40±2.80)%, which was significantly higher than that of the MPP+ group(P<0.05). Apoptosis rate in the MPP+ group (32.27±2.26)% was significantly higher than that of the normal control group(10.63±2.07)%(P<0.05). The apoptosis rate in the NBP+MPP+ group and SP600125+MPP+ group were (21.13±3.63)% and (19.15±2.63)%, and the apoptosis rate was significantly lower than that in the MPP+ group(P<0.05). The protein expression levels of p-JNK, Fas and FasL were significantly lower in NBP+MPP+ group and SP600125+MPP+ group than that in the MPP+ group (P<0.05). ConclusionButylphthalide can protect the injury of SH-SY5Y cells induced by MPP+. The mechanism of butylphthalide inhibiting apoptosis may be achieved through regulating p-JNK, Fas and FasL protein expression of death receptor pathway in JNK pathway and inhibiting the cell apoptosis.
  • Orginal Article
    Jing CAI,Jingjie XU,Haiyan PAN
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    ObjectiveTo evaluate the in vitro antimicrobial activity of tigecycline in combination with imipenem against multi-drug resistant and pan-drug resistant Acinetobacter baumannii isolates, so as to discuss the feasibility of drug combination and provide the basis for clinical rational use of antimicrobial agents. MethodsSixteen multi-drug resistant and pan-drug resistant Acinetobacter baumannii isolates were collected between January and April in 2015 from all kinds of infected specimens of Nanjing Drun Tower Hospital. The protocol was designed by checkerboard method, and the minimum inhibitory concentration (MIC) of antibiotics was determined by microdilution broth method, and the fractional inhibitory concentration (FIC) index was calculated according to MIC results. ResultsThe average value of MIC (MICG), MIC50, MIC90 of tigecycline and imipenem single were 1.73,1,4 μg·mL-1and 31.00,32,64 μg·mL-1. When tigecycline was combined with imipenem, MICG, MIC50, MIC90 of tigecycline and imipenem were 0.24,0.25,0.50 μg·mL-1and 8.16,8.00,16.00 μg·mL-1, respectively. Compared with the drug single use groups, MIC was significantly decreased in the drug combination group. In 6 strains (37.50%), synergy effect (FIC≤0.5) was observed, and in 10 strains (62.50%), additive effect (0.5<FIC≤1) was found. No negative and independent effects were shown. ConclusionBoth additive and synergistic action is observed when tigecyclineis combined with imipenem against multi-drug resistant and pan-drug resistant Acinetobacter baumannii isolates. No negative and independent effects are shown. This combination use against multi-drug resistant and pan-drug resistant Acinetobacter baumannii may be an effective therapy for clinical treatment.
  • Orginal Article
    Xiaoyu CAO,Zhaofei LI,Gang WANG,Qiongfang CHEN,Xiufen YANG
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    ObjectiveTo observe the curative effect of clinically equivalent doses of Xuesaitong and ginaton injections on cerebral ischemia reperfusion (I/R) injury of rats. MethodsMale rats were randomly divided into five groups: normal control group, sham-operation group, model control group, Xuesaitong group and ginaton group. The cerebral ischemia rat model was established by middle cerebral artery occlusion (MCAO). Rats in the Xuesaitong group were given 20 mg·kg-1 of Xuesaitong injection, and rats in the ginaton group were intravenously injected with 7.5 mg·kg-1 of ginaton immediately after I/R injury and once daily for 7 days. Rats in the sham-operation group and model control group were given the same volume of 0.9% sodium chloride solution. The score of ethology, volume of cerebral infarction, mortality, superoxide dismutase (SOD), malondialdehyde (MDA), xanthine oxidase (XOD), nitrogen oxide (NO) and NO synthase (NOS) in serum were examined. ResultsCompared with model control group, Xuesaitong and ginaton effectively reduced behavioral score 96 h (P<0.05), 120 h (P<0.01), 144 h (P<0.01) and 168 h (P<0.01) after I/R injury, the volume of cerebral infarction 168 h after I/R injury and NO content (P<0.05). But they had no effects on NOS, SOD, MDA, and XOD contents. ConclusionCuratively injecting Xuesaitong and ginaton can effectively reduce cerebral I/R injury, but no significant difference in curative efficacy is observed between Xuesaitong and ginaton at clinically equivalent doses.
  • Orginal Article
    Hong ZHOU,Jing ZHANG,Sanlan WU,Yifei HUANG,Shaojun SHI,Yu ZHANG,Yong HAN
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    ObjectiveTo investigate the effects of Wuzhi capsules on tacrolimus concentration in heart transplant recipients and provide evidence for individualized dose optimization of tacrolimus. MethodsForty heart transplant recipients receiving Wuzhi capsules were enrolled in this study. Tacrolimus trough concentration was compared before and after coadminstration of Wuzhi capsules. Furthermore, polymorphisms of CYP3A4*1G and CYP3A5*3 were also detected to clarify correlations between genotypes and effects of Wuzhi capsule. ResultsDose-normalized concentration of tacrolimus after coadministartion with Wuzhi capsules was 2.02-fold higher than before, the results of which was not associated with CYP3A4*1G and CYP3A5*3 genotypes. Wuzhi capsule could significantly decrease the total bilirubin (T-BiL), but not other hepatic and renal function. ConclusionDose-normalized concentration of tacrolimus in heart transplant recipients is remarkably increased by Wuzhi capsule. The elevated trough levels rarely result in hepatic and renal toxicity. Wuzhi capsule is a safe, effective, and stable drug to increase the trough concentration of tacrolimus.
  • Orginal Article
    Weiliang LI,Jianjun SONG,Huawen XIN
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    ObjectiveTo investigate the influence of deoxyschizandrin (Deo) on P-glycoprotein (P-gp). MethodsThe effect of P-gp on Deo (20, 40, 80 μg·mL-1) was studied in the Caco-2 cell model in vitro, and the apparent permeability coefficient (Papp) of Deo (20-160 μg·mL-1) on a P-gp substrate, rhodamine123 or cyclosporine A, was calculated. Healthy male Sprague-Dawley rats were randomly divided into five groups: blank control group, verapamil group, low-, medium- and high- dose Deo group (8 rats in each group). Rats in the low-,medium- and high-dose Deo group were intragastrically administered once daily with Deo at 8, 16 and 32 mg·kg-1 for 3 consecutive days, while rats similarly received gavagewith verapamil (4 mg·kg-1) in the verapamil group and equal volume of purified water in the blank control group. Thirty minutes after the rats were treated with their respective drugs, rhodamine123 (5 mg·kg-1) was orally administrated.Then the pharmacokinetic profiles of rhodamine 123 were analyzed to evaluate the inhibitory ability of Deo on P-gp in vivo. ResultsThe bidirectional transport rates of Deo (20, 40, 80 μg·mL-1) were similar, with non-selectivity. Deo (20-160 μg·mL-1) significantly inhibited the basolateral→apical(BL→AP) directional transports of rhodamine 123 and cyclosporine A in Caco-2 cell model (P<0.05) in a concentration-dependent manner. And Deo (8-32 mg·kg-1) also dose-dependently decreased the peak concentrations (Cmax) and the area under the plasma concentration-time curve (AUC0-t) of Rho123. ConclusionDeo can inhibit P-gp in vitro and in vivo, but it is not a P-gp substrate.
  • Orginal Article
    Lei SHENG,Congcong ZHU,Lifeng HONG
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    ObjectiveTo study the mechanism of lentinan's promotion on carvedilol's effects on dilated cardiomyopathy's heart function. MethodsSD rat model of dilated cardiomyopathy was established with doxorubicin hydrochloride. The rat model was divided into blank control group, carvedilol group, lentinan group, carvedilol +lentinan group.Rats in the blank control group were given 2 mL of 0.9% sodium chloride solution . Rats in the carvedilol group were given 10 mg·kg-1 of carvedilol and 2 mL of 0.9% sodium chloride solution. Rats in the lentinan group were given 1 mg·kg-1 of lentinan , and 2 mL of 0.9% sodium chloride solution. Rats in the carvedilol +lentinan group were given10 mg·kg-1 of carvedilol, 1 mg·kg-1 of lentinan, and 2 mL of 0.9% sodium chloride solution. The heart function, inflammatory factors and T lymphocytes were compared. ResultsThe left ventricular ejection fraction(LVEF) in carvedilol +lentinan group and carvedilol group were significantly higher than that in blank control group and lentinan group (P<0.05), while Tei index was significantly lower (P<0.05). The LVEF in carvedilol +lentinan group was significantly higher than that in carvedilol group (P<0.05), while Tei index was significantly lower (P<0.05). The hs-CRP, TNF-α, II-6 and IL-8 in carvedilol +lentinan group and lentinan group were significantly lower than that in blank control group and carvedilol group (P<0.05), while IL-10, CD3+, CD4+ and CD8+were significantly higher (P<0.05). The hs-CRP, TNF-α, II-6 and IL-8 in C+L group were significantly lower than in lentinan group (P<0.05), while IL-10, CD3+, CD4+ and CD8+ were significantly higher (P<0.05). ConclusionLentinan could significantly promote carvedilol's effects on dilated cardiomyopathy's heart function through lowering down inflammatory factors and increasing T lymphocytes.
  • Orginal Article
    Hanming WANG,Min HUANG,Fang ZHOU,Xiaomi ZHU,Jin LEI,Juan YI
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    ObjectiveTo observe the effects of Yukouning on immunologic function in recurrent aphthous ulcer (RAU) patients with brimming heat of heart and spleen (BHHS type). MethodsThe study was composed of 30 patients with RAU (BHHS type) and 30 healthy individuals. All patients with RAU (BHHS type) were divided into levomisole group and Yukouning group (n=15).Patients of levomisole group were give 50 mg of levomisole,bid,lasted two days.Patients of Yukouning group were give Yukouning decoction. The changes of the class of T-cells and the levels of immunoglobulins (IgA, IgG, IgM) and complement (C3, C4) in different groups were tested by flow cytometry (FCM) and single immunodiffusion method. ResultsThe levels of CD8+, IgG, IgA, C3 and C4 in RAU (BHHS type) patients increased significantly as compared with those in healthy group (P<0.05). The level of CD4+ and the ratio of CD4+/CD8+ decreased significantly as compared with those in healthy group (P<0.05). Furthermore, the levels of CD8+, IgG, IgA, C3 and C4 in RAU (BHHS type) patients decreased significantly after different drug treatment, respectively (P<0.05). At the same time, the level of CD8+ and the ratio of CD4+/CD8+ increased significantly after different drug treatment, respectively (P<0.05). But all the above-mentioned indexes had no significant differences between the two drug groups (P>0.05). After 1-year follow-up, the effective rate (both 93.3%) had no significant difference between the two groups (P>0.05). ConclusionImbalance of immune function is correlated with RAU (BHHS type). Yukouning plays a therapeutic role by regulating cellular and humoral immunity in RAU (BHHS type) patients.
  • Orginal Article
    Xifeng TENG,Feng WANG,Kunrong LI,Shanshan CHEN,Peng YE,Lin HE,Guoquan LI
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    ObjectiveTo determine equilibrium solubility and apparent partition coefficient of salicylic acid at 25 ℃,and to provide a theoretical basis for design and preparation of its formulation. MethodsEquilibrium solubility and apparent partition coefficient (Papp) of salicylic acid were respectively investigated in water, hydrochloric acid solution (pH 1.0) and phosphate buffer solution system (pH 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 7.8) at 25 ℃. The shake flask method and HPLC were used. The column was Waters C18 (4.6 mm×250 mm, 5 μm) with the mobile phase as methanol-0.1% phosphoric acid water (47∶53). The column temperature was room temperature. The flow rate was 1.0 mL·min-1. The detection wavelength was 270 nm and injection volume was 20 μL. ResultsEquilibrium solubility of salicylic acid was (2.205±0.020) mg·mL-1 at 25 ℃ in Water and its Papp was (6.18±0.08). The solubility were (1.169×10-3±7.40×10-6),(2.250±0.010),(2.410±0.010),(2.694±0.003),(5.208±0.010),(5.826±0.006),(6.255±0.030),(3.353±0.070) mg·mL-1, respectively, at hydrochloric acid solution (pH 1.0) and phosphate buffer solution system (pH 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 7.8), and the corresponding Papp were (16.39±0.19),(4.23±0.07),(6.03±0.11),(5.56±0.10),(1.25±0.01),(0.27±0.001),(0.08±0.001) and (0.07±0.002), respectively. ConclusionThe solubility of salicylic acid increases and its oil-water partition coefficient declines with pH value increasing. Salicylic acid is slightly soluble in water and oil. It belongs to Class Ⅳ drug in Biopharmaceutics Classification System (BCS).
  • Orginal Article
    Dezhi TANG
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    ObjectiveTo establish a HPLC method for determination of three active components in Shuanghua Caoshanhu Hanpian. MethodsAgilent TC-C18 (4.6 mm×250 mm, 5 μm) column was used. The mobile phase was acetonitrile-water containing 0.2% phosphoric acid with gradient elution mode at a flow rate of 1.0 mL·min-1,the column temperature was 30 ℃, the detection wavelength was 327 nm (0-10 min) for chlorogenic acid, 342 nm (10-35 min) for isofraxidin and rosmarinic acid. ResultsChlorogenic acid had a good linearity in the range of 0.052-0.939 μg (r=0.999 8,n=6), the average recovery was 99.23% with RSD of 1.4% (n=9). Isofraxidin had a good linearity in the range of 0.004-0.077 μg (r=0. 999 8,n=6), the average recovery was 100.33% with RSD of 1.8% (n=9). Rosmarinic acid had a good linearity in the range of 0.012-0.213 μg (r=0.999 9,n=6), the average recovery was 99.42% with RSD of 1.4% (n=9). ConclusionThe method is simple, accurate and reliable. It can be used to determine chlorogenic acid, isofraxidin and rosmarinic acid in Shuanghua Caoshanhu hanpian at the same chromatogram condition.
  • Orginal Article
    Shihui LU,Ran CHEN,Yao LIN,Nan CHEN,Xiaoying ZHU
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    ObjectiveTo optimize the technology conditions of ultrasonic-enzyme-assisted extraction for sanguinarine from Zanthoxylum nitidum. MethodsExtraction rate of sanguinarine determined by HPLC was served as an index. The applicability of the extraction solvent added with acid and enzymatic hydrolysis pretreatment to the ultrasonic-enzyme-assisted extraction of Zanthoxylum nitidum was investigated. Ultrasonic power, extraction frequency and solvent volume were optimized by orthogonal experiment. Finally, ultrasonic extraction time was optimized in dynamic process. ResultsThe optimal process was as follows: Zanthoxylum nitidum powder was extracted 3 times by ultrasonic-wave (250 W) with 40% ethanol (0.2% hydrochloride) as solvent (extracted for 15 min with 6-fold solvent at the first time, then extracted for 12 min with 3-fold solvent at the second and the third time, respectively). The extraction rate of sanguinarine was 88.6%. ConclusionThe process is economic, efficient, energy- and time-saving, and provides experimental basis for industrial production of sanguinarine.
  • Orginal Article
    Yunjie DANG,Hui AO,Yong WANG,Mengjuan SUN,Deying CAO,Qing DU
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    ObjectiveEnzyme triggered multi unit colon targeting mini tablet of indomethacin were prepared, in order to improve the target treatment of colon disease. MethodsDifferent proportion of enteric layer and chitosan layer were screened to optimize the prescription. The colon targeting mini tablets were prepared by direct compression method. The drug release properties were investigated in different release medium. Rats were used to investigate the distribution of tissue in vivo. The Beagle dogs were used to study the pharmacokinetics and bioavailability. ResultsThe optimum chitosan layer prescription: coating liquid concentration was 2%, plasticizer three citric acid ethyl ester (TEC) was 15%, an anti sticking agent amount of talc was 30%, coating weight was 5%; Enteric layer prescription: coating liquid solid content was 20%, plasticizer content of TEC was 5%, anti sticking agent talc powder dosage was 40%, coating weight was 3%. The chitosan multi unit colon targeted preparation seldom released in rat stomach and small intestine, released slowly in colon. The pharmacokinetics parameters in Beagle dogs were: Cmax=(3.25 + 0.672) mg·L-1, tmax= (2.00 + 0.014) h, AUC(0-∞) = (10.2 +0.871) mg·L-1·h, MRT (0-∞) = (2.82 + 0.180) h, CL= (2.46 + 0.202) L·h-1·kg-1. The release time of mini tablets for colon targeted was significantly prolonged and preserved stable blood concentration. ConclusionThe enzyme triggered multi unit colon targeting mini tablet of indomethacin showed good target to colon and sustained release effect, providing an important reference for the development of preparation of indomethacin for the treatment of colon disease.
  • Orginal Article
    Zanzhang YANG,Zhijin LI,Shanxue LI,Ling HE,Liyan LI
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    ObjectiveTo explore the distribution and drug resistance of pathogens isolated from patients with cholesteatoma otitis media so as to provide guidance for clinical use of antibiotics. MethodsThis survey analyzed the spectrum of organisms causing cholesteatoma otitis media and their sensitivities to commonly antimicrobial agents from Hebei province eye hospital in 2014. ResultsThere was 86 positive speciments were cultured from 89 samples,the positive rate was 96.6%. A total of 90 strains of pathogens have been isolated, including 52 strains of gram-positive coccus (57.8%), 35 strains of gram-negative bacilli (38.9%), 3 strains of gram-positive bacilli (3.3%),and 0 strain of fungi. Staphylococcus epidermidis, Staphylococcus aureus and Staphylococcus chromogenes ranked the top three species of pathogens, accounting for 20.0%, 16.7%, and 12.2%, respectively. The gram-positive cocci were susceptible to vancomycin, rifampicin and amikacin, and showed higher drug-resistancerate to penicillin, amoxicillin and azithromycin. When applied to gram-negative bacilli, the drugs with best resistance were penicillin and cefazolin, and the drugs with the highest sensitivity were levofloxacin and pipercillin/sulbactam. ConclusionStaphylococcus is the predominant pathogens of cholesteatoma otitis media in hospital, and the bacteria have a high antibiotic resistance. Enhanced monitoring on pathogenic bacteria distribution and drug resistance analysis of cholesteatoma otitis media could benefitthe guide of clinical rational use of antimicrobial agents.
  • Orginal Article
    Chunyan ZHANG,Xiaolei REN,Haiying ZHANG,Bin ZHANG,Wanyu FENG
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    ObjectiveTo investigate the influence of zoledronic acid injection on body temperature of patients with primary osteoporosis. MethodsA total of 142 patients with primary osteoporosis who received intravenous zoledronic acid treatment in Peking university people’s hospital during 2013-2014 were enrolled in this study. The body temperature before and after intravenous zoledronic acid treatment were recorded and analyzed with SPSS 17.0 software. ResultsThe patients' body temperature at different time points after intravenous zoledronic acid treatment was significantly different (P=0.000). Prophylactic use of NSAIDs could significantly reduce patients' body temperature at the second day after intravenous zoledronic acid. ConclusionNSAIDs can be given orally on the same day of intravenous injection of zoledronic acid, and continued for three days.
  • Orginal Article
    Xiaohui LIU,Xiaoling WANG,ling DONG,Baoping XU
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    ObjectiveTo explore the approaches and significance of pharmaceutical care for pediatric child with disseminated cryptococcosis. MethodsMedical records were established for a disseminated cryptococcosis pediatric child. Upon analyzing drug use,pharmaceutical care was provided for drug use. ResultsThe child geting better, was discharged from hospital. ConclusionTothrough participating in the clinical practice,clinical pharmacists can assist the clinicians to make effective and reasonable dosage regime as well as providing pharmaceutical service for patients.
  • Orginal Article
    2017, 36(2): 220-222.
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  • Orginal Article
    Yuming CAO,Yue CAO,Ying XU,Jie DONG,Lingling LI,Ting GONG,Yuanzhen ZHANG
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    ObjectiveTo investigate the awareness, willingness, motivation, and influencing factors of outpatients for participating drug clinical trials, and provide references for decision-making of drug clinical trials. MethodsAn anmonymous survey was conducted in the departments of internal medicine, surgery, gynecology, and obstetrics of a randomly selected tertiary referral center, and the results were statistically analyzed. ResultsA total of 1 067 available questionnaires were received. The total awareness rate of clinical trials was 31.02%, which was closely correlated with age and the degree of education. 40.86% of respondents were willing to participate in drug clinical trials. And 55.28% of them chose yes because of the willingness to contribute to the development of medical science. People having cognition on clinical trials had more willingness to participate in drug(OR:1.361,95%CI:1.042-1.777).59.14% of the respondents refused to participate in drug clinical trials, 68.62% of whom refusing to participate mainly worried about the safety of drugs. 57.37% of the respondents comfirmed that they might change their idea if experts were involved. 41.33% were willing to accept training about clinical trials. ConclusionInvestigators' overall cognition on clinical trials is closely correlated with the willingness to participate in drug clinical trials. There should propagandize drug clinical trials to make sure the improvement of drug clinical trial progress.