Article(id=1321425611059483155, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1321425597998420385, articleNumber=null, orderNo=null, doi=10.20251/j.cnki.1003-3734.2026.08.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=1756051200000, acceptedDateStr=2025-08-25, onlineDate=1792982016577, onlineDateStr=2026-10-26, pubDate=1777478400000, pubDateStr=2026-04-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792982016577, onlineIssueDateStr=2026-10-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792982016577, creator=13701087609, updateTime=1792982016577, updator=13701087609, issue=Issue{id=1321425597998420385, tenantId=1146029695717560320, journalId=1235980733773295621, year='2026', volume='35', issue='8', pageStart='785', pageEnd='896', issueExtLink='null', onlineDate='null', pubDate='1777478400000', pubDateStr='2026-04-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792982013463, creator='13701087609', updateTime=1792983113439, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321430211678290797, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1321425597998420385, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321430211678290798, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1321425597998420385, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=869, endPage=874, ext={EN=ArticleExt(id=1321425611231449620, articleId=1321425611059483155, tenantId=1146029695717560320, journalId=1235980733773295621, language=EN, title=Precise in situ analysis of liposome physical stability based on cryo-electron microscopy, columnId=null, journalTitle=Chinese Journal of New Drugs, columnName=null, runingTitle=null, highlight=null, articleAbstract=

This study employs cryo-electron microscopy (Cryo-EM) to precisely evaluate the physical stability of liposomes in situ. Cryo-EM eliminates the need for drying and staining, thereby preserving the native morphology of liposomes to the greatest extent. It clearly reveals the bilayer membrane structure and the spatial distribution of encapsulated substances, overcoming issues such as deformation, hydration layer interference, and probe convolution effects associated with traditional characterization methods. Cryo-EM enables efficient and intuitive assessment of liposome morphology, particle size, size distribution, and the state of encapsulated materials. Cryo-EM provides reliable scientific evidence and quality control standards for the development and optimization of liposomal formulations. Ultimately, it enhances the consistency and comparability of drug development and production, meeting the growing clinical demands.

, authors=Jing LIU, Meng-yu YAN, Yao HAN, Ya YU, Lin HE, Xin-qiu GUO*, authorsList=Jing LIU, Meng-yu YAN, Yao HAN, Ya YU, Lin HE, Xin-qiu GUO, authorCompany=null, correspAuthors=Xin-qiu GUO, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1321425611495690773, articleId=1321425611059483155, tenantId=1146029695717560320, journalId=1235980733773295621, language=CN, title=基于冷冻透射电镜技术的脂质体物理稳定性精准原位分析, columnId=1236330556003242277, journalTitle=中国新药杂志, columnName=实验研究, runingTitle=null, highlight=null, articleAbstract=

本研究利用冷冻透射电镜技术对脂质体的物理稳定性进行了精准原位评价。冷冻透射电镜技术无须干燥和染色,能够最大程度保留脂质体的原始形貌,清晰呈现双层膜结构及包载物的空间分布,克服了传统表征方法导致的形变、水合层干扰及探针卷积效应等问题,能够高效、直观地评估脂质体的形态、粒径及粒径分布、包载物状态等,为脂质体制剂的开发与优化提供了可靠的科学依据和质量控制标准,提高药物研发和生产的一致性和可比性,满足日益增长的临床需求。

, authors=刘静, 颜梦雨, 韩瑶, 余娅, 何琳, 郭新秋*, authorsList=刘静, 颜梦雨, 韩瑶, 余娅, 何琳, 郭新秋, authorCompany=null, correspAuthors=郭新秋, authorNote=

刘静,女,博士,实验师,主要从事冷冻透射电镜方法学开发研究。E-mail: 。

, correspAuthorsNote=
* 郭新秋,女,硕士,助理研究员,主要从事冷冻透射电镜方法学开发及实验室建设与管理工作。E-mail: 。
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刘静,女,博士,实验师,主要从事冷冻透射电镜方法学开发研究。E-mail: 。

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基于冷冻透射电镜技术的脂质体物理稳定性精准原位分析
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刘静 , 颜梦雨 , 韩瑶 , 余娅 , 何琳 , 郭新秋 *
中国新药杂志 | 实验研究 2026,35(8): 869-874
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中国新药杂志 |实验研究 2026 , 35 (8) : 869 -874
基于冷冻透射电镜技术的脂质体物理稳定性精准原位分析
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刘静 , 颜梦雨, 韩瑶, 余娅, 何琳, 郭新秋*
作者信息
  • 上海交通大学分析测试中心,上海 200240
通讯作者:
* 郭新秋,女,硕士,助理研究员,主要从事冷冻透射电镜方法学开发及实验室建设与管理工作。E-mail: 。
作者简介:

刘静,女,博士,实验师,主要从事冷冻透射电镜方法学开发研究。E-mail: 。

Precise in situ analysis of liposome physical stability based on cryo-electron microscopy
Jing LIU , Meng-yu YAN, Yao HAN, Ya YU, Lin HE, Xin-qiu GUO*
Affiliations
  • Instrumental Analysis Center, Shanghai Jiao Tong University, Shanghai 200240, China
出版时间: 2026-04-30 doi: 10.20251/j.cnki.1003-3734.2026.08.011
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本研究利用冷冻透射电镜技术对脂质体的物理稳定性进行了精准原位评价。冷冻透射电镜技术无须干燥和染色,能够最大程度保留脂质体的原始形貌,清晰呈现双层膜结构及包载物的空间分布,克服了传统表征方法导致的形变、水合层干扰及探针卷积效应等问题,能够高效、直观地评估脂质体的形态、粒径及粒径分布、包载物状态等,为脂质体制剂的开发与优化提供了可靠的科学依据和质量控制标准,提高药物研发和生产的一致性和可比性,满足日益增长的临床需求。

脂质体  /  冷冻透射电镜技术  /  形貌  /  粒径  /  关键质量属性

This study employs cryo-electron microscopy (Cryo-EM) to precisely evaluate the physical stability of liposomes in situ. Cryo-EM eliminates the need for drying and staining, thereby preserving the native morphology of liposomes to the greatest extent. It clearly reveals the bilayer membrane structure and the spatial distribution of encapsulated substances, overcoming issues such as deformation, hydration layer interference, and probe convolution effects associated with traditional characterization methods. Cryo-EM enables efficient and intuitive assessment of liposome morphology, particle size, size distribution, and the state of encapsulated materials. Cryo-EM provides reliable scientific evidence and quality control standards for the development and optimization of liposomal formulations. Ultimately, it enhances the consistency and comparability of drug development and production, meeting the growing clinical demands.

liposomes  /  cryo-electron microscopy  /  morphology  /  particle size  /  critical quality attributes
刘静, 颜梦雨, 韩瑶, 余娅, 何琳, 郭新秋. 基于冷冻透射电镜技术的脂质体物理稳定性精准原位分析. 中国新药杂志, 2026 , 35 (8) : 869 -874 . DOI: 10.20251/j.cnki.1003-3734.2026.08.011
Jing LIU, Meng-yu YAN, Yao HAN, Ya YU, Lin HE, Xin-qiu GUO. Precise in situ analysis of liposome physical stability based on cryo-electron microscopy[J]. Chinese Journal of New Drugs, 2026 , 35 (8) : 869 -874 . DOI: 10.20251/j.cnki.1003-3734.2026.08.011
  • 2023年度上海交通大学决策咨询课题资助项目(JCZXSJB2023-15)
  • 上海交通大学分析测试中心实验技术研究课题资助项目(FC2024ZD03)
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doi: 10.20251/j.cnki.1003-3734.2026.08.011
  • 首发时间:2026-10-26
  • 出版时间:2026-04-30
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  • 录用日期:2025-08-25
基金
2023年度上海交通大学决策咨询课题资助项目(JCZXSJB2023-15)
上海交通大学分析测试中心实验技术研究课题资助项目(FC2024ZD03)
作者信息
    上海交通大学分析测试中心,上海 200240

通讯作者:

* 郭新秋,女,硕士,助理研究员,主要从事冷冻透射电镜方法学开发及实验室建设与管理工作。E-mail: 。
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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