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维鲁司特相关的论坛

  • 【求购】液相 标准品：孟鲁司特钠

    [size=3][b]有做过孟鲁司特钠的吗[/b][/size]做过的朋友能否告知一下对照品在哪买啊？在网上没找到。进口标准上对照品是孟鲁司特二环己胺盐，另外杂质 “亚砜、酮基甲醇、甲基苯乙烯”具体是什么结构啊？比如说，甲基苯乙烯的甲基在哪个位置啊？

  • CATO独家 | 孟鲁司特杂质标准品

    CATO独家 | 孟鲁司特杂质标准品

    [font=宋体]◇孟鲁司特[/font][font=宋体]杂质[/font][font=宋体] 孟鲁司特[/font][font=宋体]，[/font][font=宋体]其英文名为[/font][font='Segoe UI'][color=#05073b][back=#fdfdfe]Montelukast[/back][/color][/font][font=宋体][color=#05073b][back=#fdfdfe]，[/back][/color][/font][font='Segoe UI'][color=#05073b][back=#fdfdfe]也被称为孟鲁司特钠，[/back][/color][/font][font=宋体][color=#05073b][back=#fdfdfe]它[/back][/color][/font][font='Segoe UI'][color=#05073b][back=#fdfdfe]是一种白三烯受体拮抗剂[/back][/color][/font][font=宋体][color=#05073b][back=#fdfdfe]。[/back][/color][/font][font=宋体]孟鲁司特[/font][font=宋体]的[/font][font='Segoe UI'][color=#05073b][back=#fdfdfe]原理机制主要是通过抑制白三烯受体和阻断炎症介质[/back][/color][/font][font=宋体][color=#05073b][back=#fdfdfe]的[/back][/color][/font][font='Segoe UI'][color=#05073b][back=#fdfdfe]释放，[/back][/color][/font][font=宋体][color=#05073b][back=#fdfdfe]它[/back][/color][/font][font='Segoe UI'][color=#05073b][back=#fdfdfe]能够与白三烯受体结合，竞争性地阻止白三烯与受体结合，从而抑制白三烯的活性，减轻炎症反应[/back][/color][/font][font=宋体][color=#05073b][back=#fdfdfe]。[/back][/color][/font][font=宋体][color=#05073b][back=#fdfdfe]所以在临床上，[/back][/color][/font][font=宋体]孟鲁司特[/font][font='Segoe UI'][color=#05073b][back=#fdfdfe]主要用于预防和治疗哮喘以及过敏性鼻炎[/back][/color][/font][font=宋体][color=#05073b][back=#fdfdfe]。[/back][/color][/font][font=宋体][font=Calibri] CATO[/font][font=宋体]标准品提供的孟鲁司特全套的杂质[/font][/font][font=宋体]，[/font][font=宋体]这些杂质对于药物的纯度和稳定性研究至关重要，也是药物研发过程中不可或缺的一部分[/font][font=宋体]。[img=,601,512]https://ng1.17img.cn/bbsfiles/images/2024/02/202402062150449184_6802_6381607_3.png!w601x512.jpg[/img][/font][font=宋体][color=#05073b][back=#fdfdfe] 广州[/back][/color][/font][font='Segoe UI'][color=#05073b][back=#fdfdfe]佳途科技[/back][/color][/font][font=宋体][color=#05073b][back=#fdfdfe]股份有限公司[/back][/color][/font][font='Segoe UI'][color=#05073b][back=#fdfdfe]深知药物研发与质量控制的重要性[/back][/color][/font][font=宋体][font=宋体]，[/font][font=Calibri]CATO[/font][font=宋体]标准品厂家，提供孟鲁司特全套[/font][/font][font=宋体]的[/font][font=宋体]杂质，为客户提供更加精准、可靠的分析标准品，助力药物研发事业的快速发展[/font][font=宋体]。[/font]

  • 【原创】普鲁斯特就是一blogger

    在经世买这本《禁锢在德黑兰的洛丽塔》已经许久，前不久才开始作为床头读物，塞在三联周刊庞大的信息量中间，让自己的思维即便在冬日也觉得缩在一堆温暖的文字里，感觉很舒适。苏友贞的文笔以前从来没有读过，看了之后有种很熟悉的感觉，就是以前读《沉重的肉身》那种流畅。昨日刚刚读到普鲁斯特因为一个小饼写出了7卷本的巨著，因为一种忆起往昔的触动，引发长篇累牍的描述。让我不禁想起自己中断了不少时间的那个往事杂陈，正如文章中那个年青人说的：普鲁斯特其实就是一blogger。文章中还提到一个词：involutary memory（非自主记忆），因为一道菜，一种气息，一张乍然似昨的影像，打开一封收藏已久的信函，一条语句的音调，一个装束，一弯无意的眼神，或多或少引起的感触和心底波澜，应该就是这个词组涵盖的意境吧。

  • Preparation of belite–sulphoaluminate cement using phosphate rock acid-insoluble residue

    [b]【序号】：1【作者】：Rui Li[font=ElsevierSans, Arial, Helvetica, Roboto, &][size=16px][color=#1f1f1f], [/color][/size][/font]Weilong He[font=ElsevierSans, Arial, Helvetica, Roboto, &][size=16px][color=#1f1f1f], [/color][/size][/font]Jing Zhang[b][font=ElsevierSans, Arial, Helvetica, Roboto, &][size=16px][color=#1f1f1f],[/color][/size][/font][/b][font=ElsevierSans, Arial, Helvetica, Roboto, &][size=16px][color=#1f1f1f] [/color][/size][/font]Yu Wang[font=ElsevierSans, Arial, Helvetica, Roboto, &][size=16px][color=#1f1f1f], [/color][/size][/font]Yu Zhang[font=ElsevierSans, Arial, Helvetica, Roboto, &][size=16px][color=#1f1f1f], [/color][/size][/font]Dengpan Nie【题名】：[b]Preparation of belite–sulphoaluminate cement using phosphate rock acid-insoluble residue[/b]【期刊】：[b]Construction and Building Materials[/b]【年、卷、期、起止页码】：Volume 323, 14 March 2022, 126573【全文链接】：https://www.sciencedirect.com/science/article/abs/pii/S0950061822002653?via%3Dihub[/b]

  • Preparation of belite-sulfoaluminate cement with phosphate-rock acid-insoluble residue: Modification and influence of impurity ions on cement properties

    [b]【序号】：1【作者】：Rui Li[font=ElsevierSans, Arial, Helvetica, Roboto, &][size=16px][color=#1f1f1f], [/color][/size][/font]Jing Zhang[font=ElsevierSans, Arial, Helvetica, Roboto, &][size=16px][color=#1f1f1f], [/color][/size][/font]Weilong He[font=ElsevierSans, Arial, Helvetica, Roboto, &][size=16px][color=#1f1f1f], [/color][/size][/font]Dengpan Nie[font=ElsevierSans, Arial, Helvetica, Roboto, &][size=16px][color=#1f1f1f], [/color][/size][/font]Yu Zhang【题名】：[b]Preparation of belite-sulfoaluminate cement with phosphate-rock acid-insoluble residue: Modification and influence of impurity ions on cement properties[/b]【期刊】：[b]Construction and Building Materials[/b]【年、卷、期、起止页码】：Volume 365, 15 February 2023, 130077【全文链接】：https://www.sciencedirect.com/science/article/abs/pii/S0950061822037333?via%3Dihub[/b]

  • Description of Acheronauta gen. nov., a possible mandibulate from the Silurian Waukesha Lagerst?tte, Wisconsin, USA

    【序号】：1【作者】：Mikaela A. PulsipherORCID Icon,Evan P. AndersonORCID Icon,Lauren S. Wright,Joanne Kluessendorf,Donald G. Mikulic &James D. SchiffbauerORCID Icon【题名】：Description of Acheronauta gen. nov., a possible mandibulate from the Silurian Waukesha Lagerst?tte, Wisconsin, USA【期刊】：Journal of Systematic Palaeontology 【年、卷、期、起止页码】：Volume 20, 2022 - Issue 1Pages 1-24 | Received 10 Mar 2021, Accepted 31 Jul 2022, Published online: 10 Oct 2022Download citation https://doi.org/10.1080/14772019.2022.2109216 CrossMark LogoCrossMark【全文链接】：https://www.tandfonline.com/doi/abs/10.1080/14772019.2022.2109216?journalCode=tjsp20万分感谢，感谢诸位朋友帮助！！！！

  • 【我的仪器你来修-系列活动1】维修WATERS PLUS 717自动进样器

    【我的仪器你来修-系列活动1】维修WATERS PLUS 717自动进样器

    看到浅水游鱼（hybx1）的帖子，想到了这个帖我也就偷个懒，借用他的照片[em0903][size=4][B]有什么好的维修话题可以发帖，加入系列活动中，要真实图片。给予加分奖励。[/B][/size]我的问题是：[color=#DC143C]自动进样器在进样品的时候，进完了拿样品瓶出来，结果发现了样品瓶盖上留有液体，请问是哪出了问题，怎么解决，要动哪个部件（请在原图上标出）。[/color]机器是WATERS PLUS 717自动进样[img]http://ng1.17img.cn/bbsfiles/images/2017/01/201701191651_625492_1608710_3.jpg[/img][URL=http://www.instrument.com.cn/bbs/shtml/20090304/1767270/]维修WATERS PLUS 717自动进样器（答案）[/URL]

  • 布鲁克tensor 27 红外故障分析

    各位大神好！ 布鲁克红外tensor27开机报错，自检不成功，报错：10:28:3510424SSCT HeNe-Laser is off or no laser signals诊断里面，显示 ：scanner error所以估计并不是氦氖激光器和光源故障，而是scanner故障，请问这里的scanner是光栅吗？还是什么东西？具体怎么维修，有没有朋友维修过，请告诉一下，谢谢！

  • Characterization of SiC Wafers by Photoluminescence Mapping

    [b][font=宋体][color=black]【序号】：１[/color][/font][font='微软雅黑',sans-serif][color=black][/color][/font]【作者】：[font=Arial][size=15px][back=#e5e6e7][/back][/size][/font][font=Arial][size=15px][back=#e5e6e7][/back][/size][/font][font=Arial][size=15px][back=#e5e6e7][/back][/size][/font][font=&][font=&][size=16px]Robert P. Devaty, David J. Larkin and Stephen E. Saddow[/size][/font][/font][font=Arial][size=15px][back=#e5e6e7][/back][/size][/font][/b][font=&]【题名】：[b]Characterization of SiC Wafers by Photoluminescence Mapping[/b][/font][font=&]【期刊】:scientific.net[/font][b][color=#545454]【链接]: [url=https://www.scientific.net/MSF.527-529.711]Characterization of SiC Wafers by Photoluminescence Mapping | Scientific.Net[/url][/color][/b]

  • 分光光度器(Microplate Luminometer)徵求分銷商

    分光光度器(Microplate Luminometer)徵求分銷商

    [em01] [img]http://ng1.17img.cn/bbsfiles/images/2005/06/200506241402_5945_1296401_3.jpg[/img]LumiMax-C : Attomoles LuminometerDetecting Proteins and Nucleic Acids with Ultra-SensitivityBy Maxwell Sensors Inc. (562) 801-2088 USA, http://www.maxwellsensors.com LumiMax-C is a compact model designed for ultra-sensitive chemiluminescence and bioluminescence detection. The system measures luminescence intensity in a 96-well microplate (black, white, or opaque). These microplates have microwells with clear bottoms, allowing the luminescence to be detected from the bottom of the well. Many companies, such as Nunc, Costar, Corning, BD Biosciences, Perkin Elmer, etc., have microplates for luminescence applications. Because LumiMax-C uses a state-of-the-art photoncounting multiplier tube as the detector, the system is extremely light sensitive. LumiMax-C has the ability to accurately count the number of photons generated from a chemiluminescent or bioluminescent experiment, allowing the system to detect very small amounts of analyte, in the range of attomoles, in the samples. The detector is sensitive in all visible ranges. LumiMax-C combines the latest, low-noise detector and electronic circuitry to provide very low background noise and very high signal levels. Its broad dynamic range covers over 6 orders of magnitude. The superior mechanical design eliminates most of the cross-talk down to ~ 10-5 between the adjacent wells. The system is flexible and easy to use. The user can select to scan any one or any set of the 96 wells, at a measuring time of 0.1-10 seconds per well. The system can also be used for kinetic and luminescence time profile studies. After clicking on the “Go” button, the system will automatically and quickly scan all of the reactions in the microwells and display the results.LumiMax-C utilizes a Windows-based PC or notebook as its microprocessor. The system is interfaced to a computer by a simple plug-in (serial port or USB) connection. A CD, with user-friendly software, is provided for easy installation. The resulting data is displayed as a spreadsheet in Microsoft-Excel or other format. The data, reported as number of optical counts, is displayed as it is collected. The system also offers software with easy click on data processing for routine calibration or operation. The system dimensions are approximately 16” x 11 “ x 4” and at 20 lb, it is easily portable for sharing between laboratories or researchers.

  • Size distribution and chain conformation of six different fucoidans using size-exclusion chromatography with multiple detection

    [font=&]【序号】：1[/font][font=&]【作者】：[font=BlinkMacSystemFont, -apple-system, &][size=16px]Neupane S, Bittkau KS, Alban S. [/size][/font][/font][font=&]【题名】：[b][font=BlinkMacSystemFont, -apple-system, &][size=16px]Size distribution and chain conformation of six different fucoidans using size-exclusion chromatography with multiple detection[/size][/font][/b][/font][font=&]【期刊】：[font=BlinkMacSystemFont, -apple-system, &][size=16px]J Chromatogr A. .[/size][/font][/font][font=&]【年、卷、期、起止页码】： [color=#212121]2020 Feb 8 1612:460658.[/color][/font][font=&]【全文链接】：[color=#212121]doi: 10.1016/j.chroma.2019.460658[/color][/font]

  • On the estimation of absolute grating groove density and inter-grating groove density errors of laser pulse compression gratings

    [b][font='Microsoft YaHei', 宋体, sans-serif]【序号】：１[/font]【作者】：[/b][*][url=https://link.springer.com/article/10.1007/s12046-018-1024-6#auth-A_K-Sharma]A K Sharma[/url] & [*][url=https://link.springer.com/article/10.1007/s12046-018-1024-6#auth-A_S-Joshi]A S Joshi[/url] 【题名】：[b][b][b][b]On the estimation of absolute grating groove density and inter-grating groove density errors of laser pulse compression gratings[/b][/b][/b][/b]【期刊】：[font=Arial][size=12px]springer[/size][/font][b]【链接】：[url=https://link.springer.com/article/10.1007/s12046-018-1024-6]On the estimation of absolute grating groove density and inter-grating groove density errors of laser pulse compression gratings | SpringerLink[/url][/b]

  • Single Molecule Detection in Solution

    [img]http://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=14799]Single Molecule Detection in Solution[/url]

  • 【求助】分离不同硫苷（glucosinolate）的最佳色谱条件？

    各位老师， 俺想测定大白菜中各种glucosinolate 的含量。但我对HPLC 了解的比较少。 有哪位高手做过这方面的实验， 还请不吝赐教。 如，提取方法，流动相组成及pH，反相柱型号，测定条件等。多谢了！也可通过E-mail 联系！yxzang78@163.com

  • Determination of the Molecular Mass of Membrane Proteins Using Size-Exclusion Chromatography with Multiangle Laser Light Scattering (SEC-MALLS )

    [font=宋体]【作者】：[/font][font=BlinkMacSystemFont, -apple-system, &][size=16px][color=#5b616b][/color][/size][/font]Maren Thomsen[font=-apple-system, BlinkMacSystemFont, &][size=16px][color=#333333] [/color][/size][/font][font=BlinkMacSystemFont, -apple-system, &][size=16px][color=#5b616b][/color][/size][/font][font=宋体]【题名】：[/font] [b][b]Determination of the Molecular Mass of Membrane Proteins Using Size-Exclusion Chromatography with Multiangle Laser Light Scattering (SEC-MALLS )[/b][/b][font=宋体]【期刊】：[/font][font=-apple-system, BlinkMacSystemFont, &][size=16px][color=#333333]Part of the [/color][/size][/font][url=https://link.springer.com/bookseries/7651]Methods in Molecular Biology[/url][font=-apple-system, BlinkMacSystemFont, &][size=16px][color=#333333] book series (MIMB,volume 2168)[/color][/size][/font][font=宋体]【年、卷、期、起止页码】：[/font] [list][color=#0071bc] [/color]2021[/list][font=宋体]【全文链接】：https://link.springer.com/protocol/10.1007/978-1-0716-0724-4_12[/font][size=16px][color=#5b616b][/color][/size]

  • 【求助】用MASTERSIZER 2000 测SiO2微粉

    新买了一台马尔文的MASTERSIZER 2000，正在学习摸索过程中。对原来测过的SiO2微粉进行测量，结果为6um左右，但是结果不稳定，重复一次2um.但原来测的是0.1um.结果相差实在太大了。请高人帮我看看。分散剂是水，表面活性剂使用了PEG6000

  • High-intensity ultrasoundprocessing of baobab fruit pulp: Effect on quality, bioactive compounds, andinhibitory potential on the activity of α-amylase and α-glucosidase.

    [font=宋体][back=white]【序号】：[/back][/font][back=white]1[/back][font=宋体][back=white]【作者】：[/back][/font][back=white] Ismail BB, Liu D, Pu Y, He Q, Guo M.[/back][font=宋体][back=white]【题名】：[/back][/font][back=white]High-intensity ultrasoundprocessing of baobab fruit pulp: Effect on quality, bioactive compounds, andinhibitory potential on the activity of α-amylase and α-glucosidase.[/back][font=宋体][back=white]【期刊】：[/back][/font][back=white]Food Chem.[/back][font=宋体][back=white]【年、卷、期、起止页码】：[/back][/font][back=white] 2021 Nov 1 361:130144.[/back][font=宋体][back=white]【全文链接】：[/back][/font][back=white]doi: 10.1016/j.foodchem.2021.130144.[/back][back=white] [/back][back=white] [/back]

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