{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":4,"startPagecode":1},"records":[{"abstractinfo":"用-OH和-COOH末端基的超支化聚酯为稳定剂,辅以含磷表面活性剂脂肪醇乙烯基醚磷酸盐(MOA-3PK),经紫外光还原硝酸银制备了超支化聚酯包覆的纳米银粒子,平均粒径为(7.7±0.5)nm,粒径分布在3~19 nm范围内.用紫外-可见光吸收光谱、X射线衍射、透射电子显微镜、电子衍射、X光电子能谱及傅立叶红外光谱(FI-IR)等测试技术表征了所制备的纳米银粒子晶体.对比实验表明,无超支化聚酯或无MOA-3PK都不能制备高度分散的纳米银粒子,表明超支化聚酯与MOA-3PK的组合对光还原反应过程中纳米银生长起非常重要的稳定作用.","authors":[{"authorName":"朱振东","id":"b7731926-9fa3-45f1-ae47-376f09d502cf","originalAuthorName":"朱振东"},{"authorName":"罗凯","id":"bb3b4283-696c-4f70-a967-cb325867015f","originalAuthorName":"罗凯"},{"authorName":"苏琳","id":"e3a89be0-60ca-4629-8e61-4e916fd3f90a","originalAuthorName":"苏琳"},{"authorName":"","id":"5c2cdd26-1c1c-494c-9eaf-1986c263b051","originalAuthorName":"熊怡"},{"authorName":"王跃川","id":"334fb3ed-2da7-4897-ad21-423fe0101360","originalAuthorName":"王跃川"}],"doi":"10.3969/j.issn.1000-0518.2005.09.007","fpage":"954","id":"1f770b63-6187-490e-904e-ef70bb8459d8","issue":"9","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"7a8254a7-d837-4259-92a1-28f608939458","keyword":"超支化聚酯","originalKeyword":"超支化聚酯"},{"id":"3b75a3f0-6428-4de0-ae74-5e53298c5c90","keyword":"纳米银","originalKeyword":"纳米银"},{"id":"b01917f4-d6c1-4257-a230-862efb972255","keyword":"稳定剂","originalKeyword":"稳定剂"},{"id":"8a4a2c7f-cd73-44f5-a879-d13aa7bdb2f9","keyword":"光还原","originalKeyword":"光还原"}],"language":"zh","publisherId":"yyhx200509007","title":"超支化聚酯的合成与应用--纳米银粒子的制备与表征","volume":"22","year":"2005"},{"abstractinfo":"结合野外工作和前人资料,对华地块耳山地区金矿床进行了分析,认为该区金矿床从控矿构造和围岩蚀变特征上可划分为两类,矿床的流体包裹体、成矿温度以及盐度特征,说明了它们的形成均与中生代富钾质、富含挥发组分的花岗质岩体(100~140Ma)有关,主要形成于挤压向拉张环境中.该区金矿床属于与侵入岩有关的金矿系统中的浅成低温热液矿床,可与近年来在环太平洋带发现的斑岩型金矿对比.","authors":[{"authorName":"马桂霞","id":"e551ff77-bf17-4c56-95e2-e3dd23b1dff0","originalAuthorName":"马桂霞"},{"authorName":"朱海","id":"77bcaeb7-13cc-4f71-a0f2-b238e2edcf74","originalAuthorName":"朱海"}],"doi":"10.3969/j.issn.1001-1277.2004.10.005","fpage":"15","id":"17268516-903f-4f7c-9420-307022cc8449","issue":"10","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"0ae9ffbe-2a7b-4afe-a5d8-35c2167eaf84","keyword":"华地块","originalKeyword":"华熊地块"},{"id":"509ec8be-f883-4b6b-ae3f-343aab5f4341","keyword":"金矿床","originalKeyword":"金矿床"},{"id":"3a8413a1-2823-48ba-94c9-2d95a076df65","keyword":"浅成低温热液型","originalKeyword":"浅成低温热液型"},{"id":"23266d01-2191-4d7b-bbd8-7a44a6b20275","keyword":"控制因素","originalKeyword":"控制因素"}],"language":"zh","publisherId":"huangj200410005","title":"华地块耳山地区金矿床特征及控矿因素研究","volume":"25","year":"2004"},{"abstractinfo":"以果酸为原料,经C-3羟基氧化、C-28羧基苄酯化保护、C-2乙酰化及水解、还原、脱保护得到2β-羟基果酸,6步反应的总收率为60.1%.中间体及目标化合物结构经IR、1H NMR、13C NMR和MS测试技术确证.以噻唑蓝(MTT)比色法检测2β-羟基果酸对人白血病细胞K562及人肺癌细胞A549肿瘤细胞的体外抑制活性,结果表明,对2种肿瘤细胞的生长均表现出一定的抑制作用.","authors":[{"authorName":"黄丽荣","id":"dab6c25a-0ad0-43fc-a3c0-9081a9edb84c","originalAuthorName":"黄丽荣"},{"authorName":"陈磊","id":"02be7a59-238d-421b-8194-8fa5b3e2a5df","originalAuthorName":"陈磊"},{"authorName":"杨小生","id":"eb03355d-4e7e-43d4-8c8f-881c664ff69b","originalAuthorName":"杨小生"},{"authorName":"马琳","id":"e5630229-c9c8-4eac-b49f-81a24a5e1d7f","originalAuthorName":"马琳"},{"authorName":"张建新","id":"6be150c8-948f-479e-b682-fb4cf4bb48a0","originalAuthorName":"张建新"},{"authorName":"王道平","id":"a4171871-c142-430b-b2d8-188fb2bb57e0","originalAuthorName":"王道平"}],"doi":"10.3724/SP.J.1095.2013.20561","fpage":"1133","id":"1be51063-f0b1-4774-88c5-d2c00d6f7bc6","issue":"10","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"9a63df3a-4b4d-4b50-8c90-6b37e56665af","keyword":"果酸","originalKeyword":"熊果酸"},{"id":"0bacad31-2a08-4051-82db-19325cfa96f8","keyword":"2β-羟基果酸","originalKeyword":"2β-羟基熊果酸"},{"id":"b9379751-2685-47f1-b3ca-5fb1bca4eeba","keyword":"合成","originalKeyword":"合成"},{"id":"8fe50738-8da6-43ad-82ce-2a43b289c44e","keyword":"体外肿瘤细胞抑制活性","originalKeyword":"体外肿瘤细胞抑制活性"}],"language":"zh","publisherId":"yyhx201310006","title":"2β-羟基果酸的合成及其抗肿瘤活性","volume":"30","year":"2013"},{"abstractinfo":"耳山地区是华北陆块南缘重要的金多金属成矿带,成矿构造复杂,成矿条件优越,区域内金矿床类型复杂,按容矿建造和定位空间将耳山地区的金矿床划分为4种金矿床类型.耳山地区金矿床的形成受多重因素的共同控制,主要有地层、构造和岩浆岩因素,且构造控矿因素占主导地位.","authors":[{"authorName":"徐刚","id":"5aae445a-5f4d-4c89-b60f-380c73724eb8","originalAuthorName":"徐刚"},{"authorName":"张有","id":"ac8722a4-0ff1-4943-93f2-811361a713e4","originalAuthorName":"张有"},{"authorName":"方荣","id":"5e6c10e4-0b7a-4694-99d5-6a3602cf6926","originalAuthorName":"方荣"},{"authorName":"左家","id":"ea4ad984-bcd5-414c-aef7-b6145a6c49c1","originalAuthorName":"左家"}],"doi":"10.11792/hj20130207","fpage":"25","id":"4fc4ae64-42de-4dae-bed5-81978a60b3a8","issue":"2","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"e5e0942c-44ae-4b5a-8884-82c17e9f3302","keyword":"金矿床类型","originalKeyword":"金矿床类型"},{"id":"21c58cce-db33-4723-9a63-719f8f71fb00","keyword":"控矿因素","originalKeyword":"控矿因素"},{"id":"3814db1f-e0a4-4497-9a55-60931045f204","keyword":"耳山地区","originalKeyword":"熊耳山地区"}],"language":"zh","publisherId":"huangj201302007","title":"河南省耳山地区金矿床类型及控矿因素分析","volume":"34","year":"2013"},{"abstractinfo":"建立了美白类化妆品中果苷的两种光学异构体α-果苷和β-果苷及烟酰胺的高效液相色谱检测方法.样品用氯化钠水溶液-氯仿(2∶1, v/v)进行萃取.固定相为依利特ODS-BP柱(200 mm×4.6 mm, 5 μm),流动相为甲醇-水(10∶90, v/v),柱温为25 ℃,检测波长为220 nm,流速为0.5 mL/min,进样量为20 μL.在上述条件下α-果苷、β-果苷和烟酰胺的质量浓度依次在0.07~50, 0.06~50, 0.05~50 mg/L 时与色谱峰面积之间的线性关系良好,相对标准偏差(n=7)分别为1.65% 、1.73%和1.33% .将该方法用于化妆品的检测,回收率为91.7% ~109.6% .该法简便、快速、准确,可用于化妆品美白成分的测定.","authors":[{"authorName":"程鹏","id":"b9c9a5bc-7e1b-4ed5-b5d1-cacb911c3929","originalAuthorName":"程鹏"},{"authorName":"陈梅兰","id":"74b04805-77aa-4e4b-8fa2-c64483fea866","originalAuthorName":"陈梅兰"},{"authorName":"朱岩","id":"9082e3e6-3efe-4d93-be62-4ca49995bc82","originalAuthorName":"朱岩"}],"doi":"10.3724/SP.J.1123.2010.00089","fpage":"89","id":"5eb0ba43-6634-4f71-bd68-ca152c4d6164","issue":"1","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"f6bfbb92-46ba-4ba2-8ba2-35c4401652ff","keyword":"高效液相色谱","originalKeyword":"高效液相色谱"},{"id":"c136ea75-5061-41f2-b1a2-04cdb300bcef","keyword":"α-果苷","originalKeyword":"α-熊果苷"},{"id":"bb39b326-5cea-4dd4-b1ba-b57a5e3392ec","keyword":"β-果苷","originalKeyword":"β-熊果苷"},{"id":"c555eeac-d8e7-43e8-beb9-cd21fef9fe69","keyword":"烟酰胺","originalKeyword":"烟酰胺"},{"id":"6f927bd8-f637-44d4-9a02-d32145225d06","keyword":"化妆品","originalKeyword":"化妆品"}],"language":"zh","publisherId":"sp201001015","title":"高效液相色谱法测定化妆品中α-、β-果苷及烟酰胺","volume":"28","year":"2010"},{"abstractinfo":"利用黄单胞菌(Xanthomonas) BT-112进行发酵,生物催化合成α-果苷. 考察了反应温度、摇床转速和菌体对对苯二酚的最大耐受度、反应物浓度比、反应时间及糖的种类等因素对反应的影响. 结果表明,用本方法合成的产物为单一的α-果苷. 在温度35 ℃, 摇床转速180 r/min, 对苯二酚浓度48 mmol/L, 蔗糖与对苯二酚的摩尔比2∶1, 反应48 h的条件下,高达94.3%的对苯二酚转化为α-果苷.","authors":[{"authorName":"刘春巧","id":"6ccda5b4-9cbe-4eb0-817c-a45794efb2ab","originalAuthorName":"刘春巧"},{"authorName":"张淑荣","id":"f8f61eb0-4023-44d6-be6b-617868e63471","originalAuthorName":"张淑荣"},{"authorName":"张鹏","id":"b7a4d835-1a81-485d-9237-e1778e1f3ae7","originalAuthorName":"张鹏"}],"doi":"","fpage":"361","id":"96e791f6-4ec2-450e-85ec-770f944fa8b4","issue":"4","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报 "},"keywords":[{"id":"60961671-9258-4437-912d-b6c24e43bb16","keyword":"α-果苷","originalKeyword":"α-熊果苷"},{"id":"862feca7-92b2-4560-a8e0-653d26f57e5c","keyword":"黄单胞菌","originalKeyword":"黄单胞菌"},{"id":"06d469a5-38f8-428d-9c88-392fd22b3232","keyword":"发酵","originalKeyword":"发酵"},{"id":"fb2b9276-df6b-4174-900d-75e1d91dbc75","keyword":"生物催化","originalKeyword":"生物催化"},{"id":"722d56b2-6087-4525-918b-43697e94c41c","keyword":"对苯二酚","originalKeyword":"对苯二酚"},{"id":"df50c27b-397d-4f65-aae7-1c7b3ed0acb0","keyword":"蔗糖","originalKeyword":"蔗糖"},{"id":"5ed463e2-7068-41f5-9272-dc7afd444a33","keyword":"化妆品","originalKeyword":"化妆品"}],"language":"zh","publisherId":"cuihuaxb200604017","title":"黄单胞菌生物催化合成α-果苷","volume":"27","year":"2006"},{"abstractinfo":"以果酸(UA)为模板分子,4-乙烯基吡啶(4-VP)为功能单体,二甲基丙烯酸乙二醇酯(EGDMA)为交联剂,采用表面分子印迹技术,合成了对天然活性物质果酸具有较好选择性的表面分子印迹聚合物(MIPs). 用紫外光谱分析了模板分子与功能单体之间的相互作用;用IR和SEM测试技术分别对表面印迹聚合物进行了结构表征和表面形貌观察;静态吸附平衡实验和Scatchard分析结果表明,该印迹聚合物中存在着2类不同的结合位点,离解常数分别为1.02×10-4和8.97×10-4mol/L. 与化学组成相同的非印迹聚合物相比,MIPs对果酸有较高的选择性和吸附性. 用该MIPs作为固相萃取剂,相对于齐墩果酸的富集因子为30倍.","authors":[{"authorName":"杨律文","id":"93c6b2a7-79a6-4eec-b3cc-6a917ee2cff7","originalAuthorName":"杨律文"},{"authorName":"刘含茂","id":"cbfd5ccd-5369-45be-ae69-dcd441ce248d","originalAuthorName":"刘含茂"},{"authorName":"屈贺幂","id":"40166203-4d91-4201-a550-0150cbfb455d","originalAuthorName":"屈贺幂"},{"authorName":"曾松军","id":"764d4967-ae77-4e42-90ac-05d0010b84e3","originalAuthorName":"曾松军"},{"authorName":"远钦","id":"f01e47f6-bb77-4fb3-b7d7-cda4b76553a6","originalAuthorName":"熊远钦"},{"authorName":"徐伟箭","id":"51857bf6-bfa2-411e-96c8-1b24ce3f125e","originalAuthorName":"徐伟箭"}],"doi":"10.3969/j.issn.1000-0518.2008.02.003","fpage":"137","id":"e9e19d15-edb7-4509-85be-a530060707f6","issue":"2","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"1476ed14-2d24-4bf5-b69b-0b702ddb34c4","keyword":"果酸","originalKeyword":"熊果酸"},{"id":"9aa7e36a-af80-420c-bb97-46422368be9d","keyword":"齐墩果酸","originalKeyword":"齐墩果酸"},{"id":"c905ee7b-c19d-41bc-b4e2-58229010c97a","keyword":"表面分子印迹","originalKeyword":"表面分子印迹"},{"id":"c166c7c2-bdfc-404f-9ec9-f0060b3fb776","keyword":"Scatchard分析","originalKeyword":"Scatchard分析"},{"id":"60f22f01-b868-4a47-bc29-44e092cbdbd0","keyword":"固相萃取","originalKeyword":"固相萃取"}],"language":"zh","publisherId":"yyhx200802003","title":"硅胶表面果酸分子印迹聚合物的制备和分子识别特性","volume":"25","year":"2008"},{"abstractinfo":"以果酸为母体化合物,对其3-OH和17-COOH进行结构修饰,设计合成了9个果酸衍生物,其结构经IR、1H NMR和MS测试技术确证;噻唑蓝(MTT)比色法考察了所合成衍生物对体外人肝癌细胞HepG2培养增殖的抑制作用,结果显示受试衍生物均对细胞增殖有一定抑制作用,且呈剂量依赖性,其中衍生物9的抑制作用最强;衍生物9与细胞作用24 h后,经Hoechst33342/PI双染色,倒置荧光显微镜下观察,出现细胞凋亡所具有的高蓝色/低红色荧光图;流式细胞术检测细胞周期发现:细胞被阻滞于S期,且阻滞作用随药物浓度的增加而增强.","authors":[{"authorName":"林凤屏","id":"025b6bd2-87dc-42e3-bb9d-0e07a724e927","originalAuthorName":"林凤屏"},{"authorName":"邵敬伟","id":"3188440f-7a67-4a98-973d-6ea40ed1b2f1","originalAuthorName":"邵敬伟"},{"authorName":"杜华东","id":"a547adce-cb88-48e9-b8cb-f96035027c99","originalAuthorName":"杜华东"},{"authorName":"代永超","id":"9b81b8d5-3323-4400-848b-532f9748275e","originalAuthorName":"代永超"},{"authorName":"王涛","id":"1be01b50-4f94-493f-9b08-82f1771ae105","originalAuthorName":"王涛"}],"doi":"10.3724/SP.J.1095.2010.90706","fpage":"893","id":"2455f79f-9e98-4901-8337-de799a0991dc","issue":"8","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"5ab08f95-bd4d-4b04-8582-3b2dc06bc847","keyword":"果酸","originalKeyword":"熊果酸"},{"id":"27c18113-67a9-422a-988e-000fe3035679","keyword":"衍生物","originalKeyword":"衍生物"},{"id":"11386cb7-cc19-4bc6-a122-7d5ece3155a4","keyword":"合成","originalKeyword":"合成"},{"id":"300b4168-4322-4354-8ee7-b253d5f3dce2","keyword":"抗癌活性","originalKeyword":"抗癌活性"}],"language":"zh","publisherId":"yyhx201008005","title":"果酸衍生物的合成、表征及其对癌细胞的抑制活性","volume":"27","year":"2010"},{"abstractinfo":"合成了一系列稳定高效的新型碳糖苷类果苷类似物,其中10个化合物未见文献报道. 化合物结构通过核磁及质谱确证. 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