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联苯双酯

联苯双酯的相关文献在1987年到2022年内共计296篇,主要集中在药学、内科学、中国医学 等领域,其中期刊论文200篇、会议论文4篇、专利文献478238篇;相关期刊141种,包括中西医结合肝病杂志、海峡药学、药物不良反应杂志等; 相关会议4种,包括华东地区第13届实验动物科学学术交流会、第十七届全国分子光谱学学术会议、第十六届全国分子光谱学学术会议等;联苯双酯的相关文献由589位作者贡献,包括孙伟、王俊芳、陈锁等。

联苯双酯—发文量

期刊论文>

论文:200 占比:0.04%

会议论文>

论文:4 占比:0.00%

专利文献>

论文:478238 占比:99.96%

总计:478442篇

联苯双酯—发文趋势图

联苯双酯

-研究学者

  • 孙伟
  • 王俊芳
  • 陈锁
  • 李京梅
  • 刘耕陶
  • 饶辉
  • 唐星
  • 张洪
  • 李帮发
  • 王延泽
  • 期刊论文
  • 会议论文
  • 专利文献

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    • 张国哲; 张周; 何姝颖
    • 摘要: 目的:考察大鼠口服联苯双酯对葛根素的药代动力学的影响,为两种药物的联合使用提供动物实验依据。方法:采用UPLC–MS/MS分析方法,测定大鼠血浆中葛根素的浓度,血浆样品用乙腈沉淀蛋白法,以盐酸小檗碱为内标,采用DAS2.0计算其药代动力参数。色谱柱为Waters HSS T3柱(2.1 mm×50 mm,1.8μm),流动相为0.1%甲酸-水和0.1%甲酸-乙腈梯度洗脱;采用ESI离子源,正离子模式,多反应离子监测(MRM)葛根素(m/z)为417.1>297.0,盐酸小檗碱(m/z)为336.0>320.0。结果:大鼠血浆葛根浓度在8~800 ng/mL范围内线性关系良好;在低、中、高(8、80、720 ng/mL)3个浓度水平下日内、日间精密度RSD为6.59%~14.91%,准确度RE为-11.25%~12.55%;提取回收率为85.65%~93.42%,基质效应范围为108.82%~113.21%。大鼠口服葛根素联合联苯双酯后,葛根素的最大血药浓度(Cmax)从(101.64±41.82)ng/mL增加到(124.75±51.47)ng/mL(P>0.05),葛根素的达峰时间Tmax从(1.46±1.08)h降低至(0.46±0.10)h(P0.05)。结论:本方法可用于大鼠血浆中葛根素的测定及其药代动力学研究。联苯双酯可以在一定程度上影响葛根素的药代动力学过程,但两组之间无明显差异。
    • 段华健; 武正华; 余史丹; 汪硕闻; 陈明; 范国荣
    • 摘要: 目的:分析双环醇、联苯双酯和五味子丙素的质谱裂解规律,鉴定双环醇原料药中的杂质.方法:采用超高效液相色谱-电喷雾-四极杆-飞行时间质谱法,以电喷雾电离源为离子源,在正离子模式下,利用飞行时间质谱对双环醇、联苯双酯和五味子丙素的准分子离子及其特征碎片离子信息进行分析,根据碎片质量变化推测可能的裂解途径,分析总结其质谱裂解规律;双环醇原料药样品首先通过液相色谱分离,寻找其中的杂质峰,然后利用质谱对杂质峰进行分析,结合裂解规律辅助鉴定杂质的结构.结果:3种化合物在正离子模式下均产生[M+H]+的准分子离子,经碰撞诱导解离后发生C—O键、C—C键的简单断裂以及氧环的开环断裂,并伴随以CH2O为主,CO2、CO、CHO为辅的中性碎片丢失,解离均集中在中高质量区.3种化合物只有支链结构和/或氧环结构发生C—C、C—O键的简单断裂,而联苯母核结构未曾改变.其中,双环醇由于含有苄位羟基结构,故在酸性流动相条件下,会以[M+H-H2O]+的形式稳定存在;五味子丙素因其含有八元环结构,故碰撞电压下率先出现开环,继而再出现中性碎片丢失.双环醇原料药中杂质的二级质谱与联苯双酯的二级碎片表现出的质谱裂解行为基本一致.结论:本研究归纳了3种五味子衍生物的质谱裂解规律.双环醇原料药中出现的杂质可能为联苯双酯.
    • 王群; 魏忠莉; 李青松; 何仲贵
    • 摘要: 目的制备联苯双酯固体分散体,以提高联苯双酯的体外溶出度。方法以聚乙二醇6000(Polyethylene glycol 6000,PEG6000)、聚维酮K30(Povidone K30,PVP K30)和泊洛沙姆188(Poloxamer188,P188)为载体,采用溶剂挥发法制备联苯双酯固体分散体。同时,采用差示扫描量热法(Differential scanning calorimetry,DSC)、X射线粉末衍射法(X-ray powder diffraction,XRPD)和红外光谱法(Infrared Spectroscopy,IR)等技术对固体分散体进行表征。结果在三种载体制备的固体分散体中,联苯双酯的体外溶出度明显提高,且三种载体对联苯双酯的增溶效果依次为:P188>PVP K30>PEG6000。DSC、XRPD和IR结果表明,联苯双酯以分子形式或无定型存在于固体分散体中。结论采用溶剂挥发法制备联苯双酯固体分散体,能明显提高联苯双酯体外溶出度。
    • 刘冰洁; 王瑞勇; 李青; 张西军
    • 摘要: 本课题旨在研究模拟生理条件下联苯双酯(DDB)及其类似物与卵清白蛋白(OVA)之间的相互作用,同时研究了DDB猝灭OVA荧光发射的机理.通过荧光光谱法、同步荧光光谱法、三维荧光光谱法结合紫外-可见吸收光谱法对其相互作用进行检测分析发现,DDB及其类似物对OVA内源性荧光具有猝灭作用,计算得到相应的猝灭常数.深入研究发现,它们之间主要作用力是疏水作用,DDB及其结构类似物与卵清白蛋白之间发生了非辐射能量转移,且OVA的构象发生了改变.
    • 何敏; 梁晓霞; 廖礼; 李雪; 赵思琦
    • 摘要: A total of 120 mice were randomly divided into the control group, CC14 group, Dimethyl dicarboxylate biphenyl(DDB) group, low, medium, and high doses(1.0, 2.0, and 4.0 g/kg) of Terminalia chebua, Euphorbia fischeriana Steud per Terminalia chebula and Rubiacordifolia L. per Terminalia chebula groups(n=10). After drug delivery for 7 d,all mice were intraperitoneally injected with 10 mL/kg CCl4 to induce the liver injury. And then the activities of alanine aminotransferase(ALT) and aspartate aminotransferase(AST) of serum and totasuperoxide dismutase(SOD), glutathion peroxidase(GSH-Px) in liver homogenates were examined. And the histological structure of the liver was observed. The results indicated that Terminaliachebula Retz. could significantly reduce the ALT and AST activities and enhance SOD, GSH-Px activities in the liver tissue and play a role in protection of the liver. The efficacy of these observation on Rubia cordifolia L. per Terminalia chebula were strongner than Euphorbia fischeriana Steud per Terminalia chebula, which was stronger than Terminalia chebula. And, high dose of these Terminalia chebula had better efficacies than that in low dose. Terminaliachebula Retz. has the protective effect on acute chemical liver injury induced by CC14, with the best effect at the doseage of 4.0 g/kg using Rubiacordifolia L. per Terminalia chebula.Its mechanism may be linked to the anti-oxidation induced by the Terminaliachebula Retz in liver.%将120只小鼠随机分为空白组、四氯化碳(CCl4)组、联苯双酯(DDB)组及低、中、高3个剂量(1.0、2.0、4.0 g/kg)的原药诃子、白狼毒制诃子和茜草制诃子组,共12个组,每组10只.给药7 d后,腹腔注射10 mL/kg CCl4油溶液,建立小鼠肝损伤模型,检测各组血清中谷丙转氨酶(ALT)、谷草转氨酶(AST)活力,肝脏超氧化物歧化酶(SOD)、谷胱甘肽过氧化物酶(GSH-Px)活力,观察肝脏组织学结构变化.研究结果显示,诃子不同炮制品可减少CCl4所引起的小鼠肝损伤,显著降低血清ALT、AST活力,提高肝脏SOD、GSH-Px活力,并对肝细胞有一定保护作用;药效表现由强到弱依次为茜草制诃子、白狼毒制诃子、生药诃子,且高剂量的效果优于低剂量.以茜草制诃子高剂量组4.0 g/kg效果最为理想,其作用机制可能与抗氧化性有关.
    • 陈玉胜; 陈全战
    • 摘要: 目的:研究灵芝多糖对CCl4诱导的急性肝损伤模型小鼠的抗炎和保肝作用,并探讨其可能机理.方法:小鼠随机均分为6组,即空白对照组,急性肝损伤模型组(体积分数0.1%的CCl4溶液,20 mL/(kg?d)),灵芝多糖低、中、高剂量组(50、100、150 mg/(kg?d),以体质量计,下同)、联苯双酯组(100 mg/(kg?d)).1周后测定小鼠的体质量、肝质量和肝指数;测定血清中谷丙转氨酶(alanine transferase,ALT)和谷草转氨酶(aspartate transferase,AST)活力及总胆红素(total bilirubin,TBIL)水平;测定肝组织中丙二醛(malondialdehyde,MDA)和还原型谷胱甘肽(glutathione-SH,GSH)水平及一氧化氮合酶(nitric oxide synthase,NOS)活力;测定血清及肝组织炎性因子白细胞介素(interleukin,IL)-1β、IL-18、IL-6及肿瘤坏死因子(tumor necrosis factor,TNF)-α水平;Western blot法测定肝组织中NOD样受体3(NOD-like receptor 3,NLRP3)、凋亡相关微粒蛋白(apoptosis-associated speck-like protein containing CARD,ASC)及胱冬肽酶-1(caspase-1)蛋白表达水平.结果:与空白对照组相比,CCl4显著提高急性肝损伤模型组小鼠的肝质量和肝指数(P<0.05),提高血清ALT和AST活力及TBIL水平,表明造模成功,并且提高IL-1β、IL-18、IL-6、TNF-α水平,提高肝组织MDA、IL-1β水平及NOS活力,提高肝组织NLRP3、ASC及caspase-1的蛋白表达水平,显著降低肝组织GSH水平(P<0.05).与模型组相比,灵芝多糖及联苯双酯显著降低小鼠肝质量和肝指数(P<0.05)、降低血清ALT和AST活力及TBIL、IL-1β、IL-18、IL-6、TNF-α水平,降低肝组织MDA、IL-1β水平及NOS活力,下调肝组织NLRP3、ASC及caspase-1的蛋白表达水平,改善肝组织形态学病变,显著提高肝组织GSH水平(P<0.05).结论:灵芝多糖对CCl4所致急性肝损伤小鼠具有抗炎和保肝作用,其机制可能与抑制自由基脂质过氧化、抑制炎性因子活化及NOS活性有关.%Objective: To study the anti-inflammatory and hepatoprotective effects of Ganoderma lucidum polysaccharides (GLPS) in mice with acute liver injury induced by carbon tetrachloride (CCl4), and to explore the possible mechanism. Methods: Mice were randomly divided into six groups: normal control group, acute liver injury model group (0.1% (V/V) CCl4, 20 mL/(kg bw·d), low, medium and high-dose GLPS groups (50, 100 and 150 mg/(kg bw·d)), and bifendate group (100 mg/(kg bw·d)). After administration for 7 continuous days, the body weight, liver weight, liver index, alanine transferase (ALT) and aspartate transferase (AST) activities, and total bilirubin (TBIL) level in serum were detected, and the malondialdehyde (MDA) and glutathione-SH (GSH) levels, and nitric oxide synthase (NOS) activity in liver tissue were also analyzed. The levels of interleukin (IL)-1β, IL-18, IL-6 and TNF-α in serum and IL-1β in liver tissue were analyzed by commercial enzyme linked immunosorbent assay (ELISA) kits. The protein expression levels of NLRP3, ASC and caspase-1 in liver tissue were evaluated by Western blot. Results: Compared with the normal control group, CCl4 significantly increased liver weight and liver index, improved serum ALT and AST activities, enhanced the levels of TBIL, IL-1β,IL-18, IL-6 and TNF-α in serum and MDA, IL-1β and NOS in liver tissue, up-regulated the protein expression of NLRP3, ASC and caspase-1 in liver tissue, and remarkably reduced GSH level in liver tissue in the model group. Compared with the acute liver injury model group, GLPS and bifendate notably inhibited ALT and AST activities, decreased liver weight and index, as well as TBIL, IL-1β, IL-18, IL-6 and TNF-α in serum and MDA, IL-1β and NOS in liver tissue, remarkably enhanced GSH levels, down-regulated the protein expression NLRP3, ASC and caspase-1 in liver tissue, notably ameliorated the morphological changes of liver tissue. Conclusion: GLPS has a significant anti-inflammatory and hepatoprotective effect on CCl4-induced liver injury in mice. The possible mechanism may be related to the inhibition of free radical lipid peroxidation, NOS activity and the activation of liver inflammatory factors.
    • 涂毅; 张玲莉
    • 摘要: Objective:To investigate the in vitro release behavior and stability of diphenyl diester suspension. Methods:The dis-solution of biphenyl diester dry suspension was detected by HPLC, and the effects of different stirring speed (50, 75, 100 r·min-1 ) and different dissolution media (pH 6. 8 phosphate buffer, 0. 05 mol·L-1 hydrochloric acid solution,water,pH 4. 5 acetate buffer) on dissolution were investigated. The influencing factors testing ( high temperature, high humidity and strong light exposure) , accelerated stability testing[the temperature of (37 ± 5) °C and the relative humidity of 76% ± 5%] and long-term stability testing[(25 ± 3) °Cand the relative humidity of 60% ± 5 %] of biphenyl diester dry suspension were carried out. Results:The dissolution behavior of bi-phenyl diester suspension in pH 6. 8 phosphate buffer (50 r·min-1 ) was faster and smoother. The results of influencing factors testing showed that biphenyl diester dry suspension should not be stored under the conditions of high temperature and high humidity. After the samples were stored under the conditions of accelerated testing and long-term stability testing for 6 months, the indicators did not change significantly. Conclusion:The in vitro release of prepared biphenyl diester dry suspension meets the requirements with promis-ing stability.%目的:考察联苯双酯干混悬剂的体外溶出行为及其稳定性.方法:采用HPLC法测定联苯双酯干混悬剂的体外溶出度,考察不同转速(50,75,100 r·min-1)、不同溶出介质(pH 6.8磷酸盐缓冲液、0.05 mol·L-1盐酸溶液、水和pH 4.5醋酸盐缓冲液)对溶出结果的影响.进行联苯双酯干混悬剂的影响因素试验(高温、高湿和强光照射)、加速稳定性试验[温度为(37±5)°C,相对湿度为76% ±5%]和长期稳定性试验[温度为(25±3)°C,相对湿度为60% ±5%].结果:联苯双酯干混悬剂在pH 6.8磷酸盐缓冲液(50 r·min-1)中溶出行为较快且平缓;影响因素试验结果表明联苯双酯干混悬剂不易储存在高温、高湿的条件下;在加速试验和长期稳定性试验中放置6个月后样品的各项考察指标未发生明显变化.结论:所制备的联苯双酯干混悬剂体外溶出符合要求,稳定性良好.
    • 徐玥; 王力彬; 李佩; 袁云云; 刘文斌
    • 摘要: 目的 研究泽泻与联苯双酯联合用药对大鼠肝细胞色素P 450酶的影响.方法 将24只健康雄性SD大鼠随机分为4组:空白对照组、泽泻组、联苯双酯组、联苯双酯+泽泻组,分别灌胃给予0.9%氯化钠溶液5 mL·kg-1,泽泻配方颗粒140 mg·kg-1,联苯双酯2.18 mg·kg-1,泽泻配方颗粒140 mg·kg-1+联苯双酯2.18 mg·kg-1.连续给药7 d后,差速离心法分离肝微粒体,紫外分光光度法测微粒体蛋白浓度、细胞色素P 450酶含量、Cytb5含量、还原性辅酶Ⅱ(NADPH)-细胞色素C还原酶活性以及氨基吡啉-N-脱甲基酶活性.结果 与空白对照组比较,联苯双酯+泽泻组大鼠微粒体浓度和细胞色素P450酶含量降低,NADPH-细胞色素C还原酶活性增高,氨基吡啉-N-脱甲基酶活性降低(P<0.05);泽泻组与联苯双酯组细胞色素P450酶含量均升高.结论 泽泻与联苯双酯联合使用后不利于药物Ⅰ相代谢,还可能诱导NADPH-细胞色素C还原酶,加快还原型细胞色素P450酶生成速度,抑制细胞色素P450酶亚型CYP2E1的活性.%Objective To research the influence of Alismatis combined with bifendate on cytochrome P 450 in rat liver microsomes. Methods Twenty four healthy male SD rats were randomly divided into four groups:the experimental groups were given Alismatis at 140 mg·kg-1 , bifendateat 2.18 mg·kg-1 , and Alismatis plus bifendate at 140 mg+2.18 mg·kg-1 ,while the blank control group was given 0. 9% sodium chloride at 5 Ml · kg-1 . The liver microsomes were prepared upon differential centrifugation 7 days after administration.The microsomal protein concentration, cytochrome P450 content, Cytb5 content, NADPH cytochrome C reductase activity and amino pyrine N removal of methyl enzyme activity, erythromycin demethylase activity were determined by UV respectively. Results Compared with the normal control group, the combination use of Alismatis and bifendate redued the microsome content and cytochrome P450 content, while it increased the NADPH cytodrome C activity. The concentrations of cytochrome P450 were both increased by Alismatis and bifendate. Conclusion In contrast, combination ofAlismatis and bifendate reduces cytochrome P450 content which has a negative effect on phase I drug metabolism.Moreover, the combination of Alismatis and bifendate induced NADPH- cytochrome C reductase, accelerated the reduction of cytochrome P450 and inhibited cytochrome P450 isoform CYP2E1 activity.
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