溶媒
- solvent;menstruum;resolver
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结果:乙醇提取苦参的最佳条件:乙醇的浓度为65%,提取时间为120min,溶媒的量为4倍;
Result : The ether withdraws Radix Sophora Flavescens hours the density of the ether as 65 % , withdrawing time as 2 hours , the deal of the menstruum is 4 times c ;
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注射剂临床应用的溶媒选择与其他注意事项
Choice of Menstruum and Other Advice for Clinical Application in Injection
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溶媒法或喷雾干燥法制备头孢菌素C钠盐
Comparision studies on solvent extraction and spray drying proceses to prepare cephalosporin C sodium
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在制备托品酰胺的工艺中,如何选用托品酸和N-乙基-N-(γ-吡啶甲基)胺的缩合酰化的碱性溶媒,以便于后处理是实现工业化生产很重要的课题。
In preparation of tropicamide , how to choose alkaline solvent which is used in condensation reaction is the key problem .
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结果表明由红色诺卡氏菌P08菌株制备的NCWS为白色粉末,性质稳定,不溶于水、甲醇等有机溶媒。
N CWS was a white powder , insoluble in water and organic solvent like methanol .
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本文在传统溶媒法的基础上,采用乙醇作溶剂的两段加碱法新工艺制备CMC。
In this paper , CMC were prepared by the two-stage NaOH addition process .
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结论在血仿膜吸附法无肝素透析中5%GS作为肝素溶媒的吸附效果优于NS。
Conclusion In heparin-free hemodialysis using hemophone , 5 % GS as menstruum is better than NS .
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选择了合适的溶媒体系及控制pH值以确保6-APA的质量;
The quality of 6-APA was insured by selecting right dissolvant system and controlling pH value .
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结论采用0.9%氯化钠溶液做溶媒肌内注射HCG,能有效缓解患者疼痛,是一种安全可靠的溶媒。
Conclusion The 0 . 9 % sodium chloride injection was a valid solvent for intramuscular injection of HCG to alleviate pain .
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采用不同浓度的Mat干预,同时设立阳性对照组、空白对照组及溶媒对照组。
HCFs was treated with six concentrations of Mat , set up positive control group , blank control group and solvent control group .
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衰老模型实验:SD大鼠随机分为对照组、D-半乳糖组、正常用药组、溶媒对照组和药物治疗组。
SD rats were randomly assigned to five groups as follows : saline control group , D-galactose group , DHEA-treated normal group , vehicle control group and DHEA-treated senescent group .
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结果:提取最佳工艺以70%乙醇做溶媒,回流提取2次,每次2h。
Results : the best extraction technique was : solvent was 70 % alcohol , reflux extraction for two times , and each time for 2h .
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气相顶空色谱法测定原料样6-APA中的残留溶媒
Determination of Residue Solvent Content in 6-APA Raw Material by GC with Static Head-space Injection
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模型制备成功后将GK大鼠和Wistar大鼠分别随机分为溶媒对照组和治疗组,同时分别设立假手术组。
After model reproducing , the GK rats and Wistar rats were randomized to dissolvent control group and therapy group , and meanwhile erected sham group .
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结果:氯霉素组和3个剂量的CAD组均可使戊巴比妥钠睡眠时间延长,分别延至溶媒对照组的380%、284%、353%和366%(P<0.01);
Results : The duration of hypnosis induced by pentobarbital sodium was prolonged by 380 % , 284 % , 353 % and 366 % ( P < ( 0.01 ),) respectively , in mice given chloromycin and three different doses of CAD .
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结果在25,37℃条件下,冻干型和溶媒结晶型注射用头孢哌酮钠与5种输液配伍后6h内基本稳定。
RESULTS Freezing dried and crystalline cefoperazone sodium for injection were stable within 6 hours after they coexisted with 5 kinds of injections at 25 ℃ and 37 ℃ .
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结果:提取单糖和寡糖的最佳条件为:用20倍溶媒(60%乙醇)浸泡24h后,于50℃提取4h,共提取3次,每次提取用20倍溶媒。
Results : The optimum extraction conditions of monosaccharide and oligosaccharide were four hours extraction at 50 ℃ after soaking one day with 20 times of solvent and extracting three times .
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PAS-Na溶媒法工艺研究
Technological Study of Solvent Method of PAS-Na
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真菌Beauveriasp.FO-6979静置培养14d后,经有机溶媒提取,常压ODS柱层析和制备HPLC柱层析分离得到FO-6979-P9纯品。
The culture broth of Beauveria sp. FO 6979 for 14 days in static state was extracted by organic solvent , isolated by ODS column and HPLC column chromatography .
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方法:雄性SD大鼠随机分为隐睾组、隐睾+SB203580(p38MAPK抑制剂)组、隐睾+溶媒组、假手术组。
Methods : Male Sprague-Dawley rats were divided into four groups : sham operation , cryptorchid , cryptorchid + dissolvent , and cryptorchid + SB203580 ( inhibition of p38MAPK ) .
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从稀有放线菌7310菌株(Streptomycessp.)的发酵菌丝中经溶媒萃取和硅胶柱层析初步分离出来一种活性成分,经结构鉴定为抑菌霉素(antimycins)的A2组份。
An activity component was isolated from the culture of Streptomyces sp. by solvent extraction and column chromatography , and it was identified as antimycin A2 by structure elucidation .
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结果优选的提取工艺为:药材粉碎成15目,以6倍量80%乙醇作为溶媒,浸泡12h后以常速进行连续渗漉提取。
RESULT The optimized extraction technique is the following : grind the medicinal material into powder soaked in 80 % alcohol six times in amount for 12 hours , followed by extraction with the percolation method .
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再后再采用MTT法和LDH漏出率测定纳米铜的细胞毒性,并采用一价铜特异性螯合剂、分光光度法、ICP-AES来分析纳米铜粒子在培养体系、给药溶媒中的溶出度。
The cytotoxicity of nanoscale copper was bioassayed by MTT tests and LDH leakage rate measurements , and the dissolution of the copper nano-particles in the culture system was determined by monovalent copper-specific chelator , spectrophotometry , and inductively coupled plasma-atomic emission spectrometry analysis .
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随机采样药物损失量高于4ml定量溶媒溶解及冲洗1次空药瓶和输液瓶的药物损失量。
It also showed that the drug loss was more in randomly using solvent than that in quantitatively solvent dilution and rinsing the empty ampule and infusion bottle once .
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研究了溶媒法合成聚阴离子纤维素(PAC)过程中游离碱浓度、氯乙酸钠水解率和产品取代度(DS)及其溶液粘度与反应条件的相关性。
The dependence of concentration of free sodium hydroxide , hydrolyzation ratio of sodium chloroacetate , degree of substitution ( DS ) and solution viscosity of product on reaction conditions in the synthesis of polyanionic cellulose ( PAC ) in various alcohol mediums are studied .
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方法:采用大孔吸附、溶媒萃取、硅胶柱色谱、重结晶进行分离和纯化,以纸片法进行活性跟踪,通过UV,IR,FABMS,NMR和元素分析进行化合物的结构鉴定。
Methods : X412 was isolated by X5 resin adsorption , solvent extraction , silica gel column chromatographic separation , and purified by recrystallization . Its activity was tested . Its chemical structure was elucidated by UV , IR , FABMS , NMR and element analysis .
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以中国南海海域大量生长的总合草苔虫为原料,将化学分离和活性追踪相结合,经溶媒提取和多种层析方法(SephadexLH-20,ODS,HPLC等)分离,得到3个活性单体。
Three active compounds were isolated from the marine bryozoan Bugula neritina living in the South China Sea by bioassay-guiding isolation method with a combination of extraction with suitable solvent and multiple column chromatography ( Sephadex LH-20 , ODS and preparative HPLC ) .
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PFD各剂量组和2个溶媒对照组、空白对照组小鼠在长波紫外线照射后7d内均未出现急性光毒反应。
There were no marked changes in the mice of 3 pirfenidone groups , 2 solvent control groups and the blank group during 7 days after ultraviolet irradiation . The acute phototoxicity was not found in mice after pirfenidone ig administration .
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结果微波提取的最佳条件为以05%氨水为提取溶媒,微波功率为2000W,体系温度升至60℃后保温提取40min。
Results The optimum conditions of MHE is extracting for another 40 min in 0.5 % ammonia water after heated to 60 ℃ by microwave of 2 000 W.
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动脉环制备及系统安装如上,血管平衡1h后,各茶多酚浓度组分别加入对应浓度的茶多酚0.2mL,溶媒对照组加入溶媒0.2mL。
The preparation and system installation was the same as above , and 0.2 mL of TP was added into each TP group at corresponding concentration at one hour after vascular equilibrium , and 0.2 mL of menstruum was added into the control group .