RESUMEN
In this study, three different materials were prepared: dendritic fiber-type silica (KCC-1), zeolitic imidazolate framework-8 (ZIF-8), and a new composite material called KCC-1@ZIF-8. These materials were synthesized using microemulsion, stirring, and coating methods, respectively. The properties of the materials were characterized using various techniques such as transmission electron microscopy (TEM), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), TGA and X-ray diffraction (XRD). The results showed that KCC-1@ZIF-8 exhibited a significant increase in the BET surface area and pore size compared to the individual components KCC-1 and ZIF-8. These improved properties of the composite material were beneficial for enhancing the adsorption capacity. The effects of initial concentrations, solution pH and reaction time on the adsorption capacity were investigated. The adsorption kinetics and isothermal data of ZIF-8 and KCC-1@ZIF-8 fitted well with pseudo-second-order and Langmuir isotherm models. The results of adsorption thermodynamics show that the adsorption process is spontaneous and endothermic. KCC-1@ZIF-8 exhibited a very high adsorption capacity (751.46 mg g-1) at an initial TC hydrochloride concentration of 80 mg L-1 in an aqueous solution at 301.15 K, and the value was higher than that of ZIF-8 (549.80 mg g-1) under the same conditions. KCC-1 exhibited a relatively lower capacity (37.860 mg g-1). Based on these findings, KCC-1@ZIF-8 was considered a promising adsorbent for the treatment of wastewater contaminated with TC hydrochloride. Additionally, the composite material, when combined with high-performance liquid chromatography (HPLC), could be used as a solid-phase extraction adsorbent for the adsorption of TC hydrochloride in animal foodstuff samples. The calibration curves showed a linear range of 20-500 µg L-1, and the recovery rate ranged from 85.216% to 90.717%. No one has made adsorbents with this new structure before, and KCC-1@ZIF-8 possessed excellent adsorption properties, which make it a potential candidate for environmental remediation and analytical applications involving TC hydrochloride.
RESUMEN
Dendritic fiber-type silica (KCC-1) has attracted the attention of researchers because of its unique three-dimensional radial structure and high specific surface area. Its highly modified surface allows it to be used in catalysis, adsorption, biomedicine, and other fields. Nano-precious metals (NPs) have several excellent chemical properties, but their stability limits their applications. Dendritic fibrous silica (Ag NPs/KCC-1) loaded with silver nanoparticles was prepared via the microemulsion method using Ag NPs/KCC-1 as the carrier, methimazole as the template molecule, and a surface imprinting method to prepare sulfhydryl imidazole molecularly imprinted polymer. By characterizing the polymer, it is determined that the polymer has a regular morphology and large specific surface area. The obtained experimental results show that the polymer has a high adsorption capacity (10.35 mg g-1) and good selectivity. It is used as a solid-phase extraction filler and, when combined with high-performance liquid chromatography, to detect methimazole in chicken tissue. The recovery rate reaches 87.5-94.4%.
RESUMEN
Objective To evaluate the transdermal safety of lanthanum (La) in sunscreen and jellyfish sting protective lotion, establish a microwave digestion-inductively coupled plasma opticalemission spectroscopy (ICP-OES) method for determination of lanthanum (La) in rat’s whole blood. Methods The whole blood samples were digested by microwave and analyzed by inductively coupled plasma emission spectrometer (ICP-OES). Using 333.749 nm as the analysis line, the content of La in rat whole blood was determined. Results The correlation linearity of the standard curve of this method was good (r>0.9994), the detection limit of the method was 0.0025 μg/ml, the limit of quantification was 0.0077 μg/ml, the precision was less than 3%, and the recovery rate was between 94.9% and 102.0%. Conclusion The ICP-OES method based on microwave digestion is stable and reliable, and can provide an important basis for the study of the transdermal safety of lanthanum.
RESUMEN
Aim To assess the impact of morin and acetyl-resveratrol on the oral bioavailability and pharmacokinetics of saquinavir (SQV), a substrate of P-glycoprotein (P-gp), in rats.Methods Twenty rats were randomized into four groups of equal size, including a control group, two intervention groups and a positive control group, and administered orally 30 mg·kg-1 SQV with or without 40 mg·kg-1 morin or acetyl-resveratrol or verapamil (as positive control).The plasma concentrations of saquinavir were determined using a high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method, and the PK of SQV was assessed using non-compartmental analysis.Results The PK parameters values of SQV, SQV+morin, SQV+acetyl-resveratrol, SQV+verapamil were as follows: AUC0-t, 381.53 μg·h·L-1,185.53 μg·h·L-1, 360.43 μg·h·L-1, 529.95 μg·h·L-1;AUC0-∞, 409.48 μg·h·L-1, 228.52 μg·h·L-1,446.67 μg·h·L-1, 552.41 μg·h·L-1;Cmax, 110.80 μg·L-1, 86.44 μg·L-1, 139.84 μg·L-1, 423.60 μg·L-1;Tmax, 0.25 h, 0.25 h, 0.25 h, 0.50 h;T1/2, 5.72 h, 5.94 h, 6.78 h, 3.78 h;MRT0-∞, 10.30 h, 9.61 h, 12.30 h, 4.89 h;CL/F, 7.59 mL·kg-1·h-1, 13.88 mL·kg-1·h-1, 7.28 mL·kg-1·h-1, 5.52 mL·kg-1·h-1.Conclusions Multiple peak phenomenon can be observed in the plasma SQV profiles.Morin can significantly reduce the SQV oral bioavailability and affect SQV PK profiles while acetyl-resveratrol cannot significantly affect the SQV oral bioavailability and SQV PK profiles in rats.
RESUMEN
Objective To observe the therapeutic effect of Baizhu Shengjiang Decoction combined with Prucalopride Succinate Tablets for chronic functional constipation. Methods Sixty patients with chronic functional constipation were randomly divided into treatment group and control group, 30 cases in each group. The treatment group was treated with Baizhu Shengjiang Decoction combined with Prucalopride Succinate Tablets orally, and the control group was treated with oral administration of Prucalopride Succinate Tablets alone. The therapeutic effects on traditional Chinese medicine (TCM) symptoms and constipation, and the follow-up therapeutic effect of the two groups were evaluated after treatment. During the three months after the completion of treatment course, the recurrence of constipation was monitored. Results (1) The cure rate of the treatment group was 90.0% and that of the control group was 60.0%, indicating that the therapeutic effect on TCM symptoms in the treatment group was stronger than that of the control group(P < 0.05).(2) In respect of the relief of constipation, the markedly effective rate was 93.3% in the treatment group and was 50.0% in the control group, and the overall effective rate was 100.0% in the treatment group and was 73.3% in the control group, the difference being significant between the two groups(P<0.05 or P<0.01).(3) During the treatment, the percentage of patients with weekly completely spontaneous defecation frequency ≥3 was 86.7% in the treatment group, and was 53.3% in the control group, the difference being significant (P < 0.05). (4) The results of 3-month follow-up after the completion of treatment course showed that one case from the treatment group had the recurrence of constipation, and the recurred cases from the control group were 6, the difference being significant (P < 0.05). Conclusion Oral use of Baizhu Shengjiang Decoction combined with Prucalopride Succinate Tablets exerts certain therapeutic effect for chronic functional constipation, which is effective both on relieving constipation symptoms and on reducing recurrence rate.
RESUMEN
Objective To understand tobacco use rate and explore the factors associated with tobacco use in middle school students in China.Methods A self-administered questionnaire survey was conducted among 155 117 eligible middle students selected through multi-stage stratified cluster sampling from 31 provinces of China.The questionnaire consists of the following topics:tobacco use and cessation,passive smoking,access to tobacco products,tobacco control and tobacco advertisement,and knowledge about and attitudes to tobacco.Software SAS 9.3 was used for sample weighting and data analysis.Results Current tobacco use rate was 6.9% in middle school students in China.The rate was higher in boys (11.2%) than in girls (2.2%),and in rural area (7.8%) than in urban area (4.8%).Students in western area had the highest tobacco use rate (10.3%),followed by the students in middle area (6.4%),and the rate in students in eastern area was lowest (4.5%).Parent smoking (especially mother smoking),friend smoking,teacher smoking,pocket money for a week > 20 yuan,tobacco advertisement or promotion,passive smoking,misconception of tobacco addiction,active attitude to smoking behavior were the risk factors for tobacco use.Conclusions Smoking rate in boys in China was higher than the average global level.A comprehensive intervention strategy by Framework Convention on Tobacco Control should be used to reduce tobacco use in adolescents,including health education,increasing cigarette price,banning tobacco advertisement and promotion,and smoke-free legislation.
RESUMEN
Objective To understand tobacco use rate and explore the factors associated with tobacco use in middle school students in China.Methods A self-administered questionnaire survey was conducted among 155 117 eligible middle students selected through multi-stage stratified cluster sampling from 31 provinces of China.The questionnaire consists of the following topics:tobacco use and cessation,passive smoking,access to tobacco products,tobacco control and tobacco advertisement,and knowledge about and attitudes to tobacco.Software SAS 9.3 was used for sample weighting and data analysis.Results Current tobacco use rate was 6.9% in middle school students in China.The rate was higher in boys (11.2%) than in girls (2.2%),and in rural area (7.8%) than in urban area (4.8%).Students in western area had the highest tobacco use rate (10.3%),followed by the students in middle area (6.4%),and the rate in students in eastern area was lowest (4.5%).Parent smoking (especially mother smoking),friend smoking,teacher smoking,pocket money for a week > 20 yuan,tobacco advertisement or promotion,passive smoking,misconception of tobacco addiction,active attitude to smoking behavior were the risk factors for tobacco use.Conclusions Smoking rate in boys in China was higher than the average global level.A comprehensive intervention strategy by Framework Convention on Tobacco Control should be used to reduce tobacco use in adolescents,including health education,increasing cigarette price,banning tobacco advertisement and promotion,and smoke-free legislation.
RESUMEN
Objective To study the effect and safety of endoscopic retrograde appendicitis therapy (ERAT) in treating patients with uncomplicated acute appendicitis. Methods Patients with uncomplicated acute appendicitis were enrolled and divided into ERAT group and LA group received laparoscopic appendectomy. Then compare treat-ment condition, complications and follow-up of the two groups. Results ERAT were completed successfully in all the patients in ERAT group, while one patient underwent a reversion to open appendectomy for technical difficulties in LA group. Mean operative time was (49.7 ± 18.2) min for ERAT group and (68.9 ± 25.9) min for LA group (P <0.05). Fever relief time (1.3 ± 0.5) d, WBC normalization time (2.0 ± 0.9) d, mean bed time (0.1 ± 0.2) d and mean hospital stay (3.3 ± 1.6) d for ERAT group were significantly lower than LA group (P <0.05). 14 patients with intra-luminal appendicoliths (7 of massive appendicoliths, 4 of broken appendicoliths and 3 of broken appendicoliths with luminal stenosis) underwent endoscopic lithotomy successfully in ERAT group, resulting in a success rate of 100.00%. One patient presented perforation after ERAT was cured with conservative treatment. During the follow-up of at least 1/2 year, the rate of recurrence was 10.00% in ERAT group. 1 patient (5.00%) underwent LA at the 5th month after ERAT during the follow-up. Conclusion ERAT is an effective and safe therapy in treating patients with uncomplicated acute appendicitis with advantages of minimal invasiveness and quick recovery. Uncomplicated acute appendicitis with appendicoliths and/or luminal stenosis are the most suitable indications for ERAT.
RESUMEN
Objective To study the skills and effects of endoscopic retrograde appendicitis therapy (ERAT) in treating patients with uncomplicated acute appendicitis .Methods We enrolled 21 patients with suspected acute appendicitis who then underwent emergent ERAT between October 2014 and January 2015 .The data of treatment were collected and the operative skills and effects of ERAT were analyzed . Results ERAT was completed successfully in all the patients ,resulting in a success rate of 100% .Mean operation time of ERAT was (49 .7 ± 18 .2) min and mean hospital stay was (3 .3 ± 1 .6)d .Cannulation of the appendix lumen was the most critical step of ERAT ,and cannulation time [(5 .7 ± 4 .9)min , P< 0 .05] was shortened significantly by the use of LoopTip guidewire . Fourteen patients with intraluminal appendicoliths (7 of massive appendicoliths , 4 of sand‐like appendicoliths and 3 of sand‐like appendicoliths with luminal stenosis ) underwent endoscopic lithotomy successfully with balloon or basket ,with the success rate of 100% .One patient who presented perforation after appendicolith removal by basket was cured with conservative treatment .Appendix stent was inserted ,then pulled out after 1 week in 9 patients ,while no complaint or complication of the stent was observed .Operation time of ERAT shortened with the increase of case number .Conclusion ERAT is an effective and safe therapy for treating patients with uncomplicated acute appendicitis .The high success rate and safety of ERAT will be achieved by selecting suitable instruments for cannulation and appendicolith removal ,deciding suitable indications for stenting ,and accumulating of operative cases .
RESUMEN
Objective To analyze the composing principles of Astragali Radix in Drug Standard of Ministry of Public Health of the People’s Republic of China-TCM Prescription Preparation;To provide references for clinical application and research and development of new medicine. Methods Traditional Chinese Medicine Inheritance Support System (V2.0) was used to establish database. Data mining methods, such as association rules, improved mutual information method, were used to analyze the diseases, syndrome rules, and common composing combinations of prescriptions containing Astragali Radix. Results Through analysis on the 446 cases of prescriptions containing Astragali Radix, 16 core medicine combinations and 18 diseases were discovered. Then, based on the 18 diseases, insomnia, consumptive disease and vertigo were chosen to make comparative analysis, the medicine using regularity and compatibility features of Astragali Radix in different diseases were disclosed. Conclusion Herbal medicines used frequently in prescriptions containing Astragali Radix could tonify qi and nourish blood. The medicine using is relatively concentrated, and the composition is clear. The composing principles reflect the compatibility features of Astragali Radix in treating different diseases, which are in accordance with the clinical application of multiple-efficacy Chinese medicine.
RESUMEN
Based on traditional Chinese medicine (TCM) herb data of inpatient department and senior famous TCM doctors from many TCM hospitals in China. Existing problems of TCM herb data standardization preprocessing were analyzed in order to explore scientific and reasonable preprocessing program which can provide technical support for the accurate analysis of herbal information. Clinical medicine doctors and herbal pharmacists collaborated and analyzed the real-world TCM herb data collected from multi-regions. In connection with characteristics of TCM, data mining was combined in the analysis of requirement to identify existing problems and explore appropriate problem-solving solutions. The results showed that based on the Pharmacopoeia of the People's Republic of China (PPRC, 2010 version) and regional herb preparing and dispensing guidelines, the herb collection rules, methods and processes were made for the herb data standardization. Herbal data processing program for different regions were formulated. It was concluded that herb data standardization rules and methods made by this plan solved standardization and accuracy of TCM herb data analysis and utilization in multi-area.
RESUMEN
The basic medication is an important part of the medical education and modem medical education has been characterized by innovative education. From innovative thoughte and quality training links as education concept, teaching mode, knowledge structure, training of method and ability, the research explores and practices how to stimulate the students' activity and consciousness, in the process the education of pathogenic biology to cultivate their innovative thinking ability.
RESUMEN
OBJECTIVE:To train new employees in pharmacy department to be competent for the work of pharmacy.METHODS:The requirement of new employees training was analyzed,especially in the following aspects:their thoughts,mentality,training resource and their ability.Then the pertinent training target was decided and training plan was designed.The training result was also evaluated.RESULTS:"three items and four points"training plan was designed and implemented.The advisor system for new employee was put forward so as to provide practical and effective support and experience for the following new employee training.CONCLUSION:The evaluation of the design and implementation of training plan contribute to prove the effectiveness of the training for new employee.
RESUMEN
OBJECTIVE: To construct a structuralized training system in pharmacy department so as to enhance the core competitiveness in pharmacy.METHODS: The methods and procedures of constructing structuralized training system including alyzing training requirement,setting training goal,making training plan,putting the training plan into practice,evaluating and feedbacking in pharmacy department were introduced in detail.RESULTS: This system can help find the new training demands,contribute the continuity of training activities in pharmacy department and continuously improve the training system.CONCLUSION: The established structuralized training system in pharmacy department is practicable and it can guarantee scientific,orderly and standard running of the training work.
RESUMEN
Objective To prepare and optimize formulation of ATRA liposomes. Methods ATRA liposomes was prepared by reverse evaporating method and to determine the concentration and the entrapment efficiency of ATRA liposomes by HPLC. Results The entrapment efficiency of the three ATRA liposomes formulations reached 33.98%, 42.11%, 70.34% respectively. The liposome was stable. The ATRA content of three formulations almost showed no change during the observing days. Conclusion The technique of preparing the ATRA liposomes is feasible and the method of quality control is simple and accurate.
RESUMEN
Objective To observe the effect of blood feeding and plasmodium yoelii infection on the transcript abundance of ribosomal protein S7 from Anopheles dirus hemocyte Methods Anopheles dirus of 3~5 days old were divided into normal group (N), blood feeding group(B) and Plasmodium yoelii infection group(I) Hemocytes of 50 Anopheles dirus from each group were collected by centrifuge method on days 1, 2, 3, 4, 7 and 11 after blood feeding, respectively Then, all hemocyte samples were used for total RNA isolation and analyzed by RT PCR Finally, the same volume(10 ?l) of all the PCR products from each group was used for agarose gel electrophoresis and the data obtained were analyzed statistically Results There was no significant difference in ribosomal protein S7 signal between the three groups Conclusion Similar to Anopheles gambiae and human rpS7, Anopheles dirus rpS7 might be also used as an internal control for the studies of the role of Anopheles dirus related immune factors in attacking Plasmodium infection
RESUMEN
OBJECTIVE:To promote the improvement of the quality of pharmaceutical care.METHODS:Patients’com_ plaints in2003~2004in the pharmacy department of our hospital were analyzed and the related information was considered in the formulation of countermeasures.RESULTS&CONCLUSIONS:Giving consideration of patients'complaints that served as information resources in pharmaceutical management can promote a steady improvement of the quality of pharmaceutical care.
RESUMEN
Objective To analyze the characteristics of bone marrow metastasis in large intestine carcinomas.Method [WT5”BZ]The systematic bone radionuclide images and clinical feature of pathology in 423 postoperative patients with colorectal carcinomas were analyzed retrospectively.Results Bone marrow metastases was confirmed in 191 cases accounting for 5 5% (191/3 454) of the patients admitted during the same period. 7 5% (146/ 1 934 ) of the rectal cancer cases had bone metastasis, which was significantly higher than that of 2 9%(45/1 520) in colon cancer (? 2=34 3, P 0 05). 108 cases had local metastasis, while 83 cases had systematic multiple metastases.Conclusions Bone marrow metastasis of large intestine carcinoma occurred most often secondary to liver and lung metastases. The bone metastasis in rectal carcinoma is more often than colonic carcinoma.
RESUMEN
0 05). The postoperative complication developed in 3 57% for local resection, which was statistically lower than that for radical operation of 25 8% (? 2=7 63, P
RESUMEN
Objective To investigate demographic and clinical features of hereditary nonpolyposis colorectal cancer (HNPCC) in Chinese patients.Methods Data of 45 HNPCC pedigrees diagnosed in accordance with Armsterdam I and Armsterdam Ⅱ Criteria were collected and analyzed.Results In 264 patients, 305 malignant neoplasms were found.The median age of confirmed diagnosis of HNPCC was 50 years.Out of the 305 primary cancer foci, 180 were colonic cancers (59%), 125 were extracolonic cancer (41%) with carcinoma of the lung, endometrium and stomach accounting for 24.0% (30/125), 14.4% (18/125), and 12.0% (15/125) respectively.Conclusion HNPCC is characterized by early vertical transmission, with extracolonic cancer, and synchronous multiple and/or metachronous multiple primary cancers as common clinical features. Carcinoma of the lung, endometrium and stomach are among the most common extracolonic malignancies.