Article(id=1208356299306287760, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1208356297246879939, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1766024191928, onlineDateStr=2025-12-18, pubDate=1756310400000, pubDateStr=2025-08-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1758297600000, onlineIssueDateStr=2025-09-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766024191928, creator=13701087609, updateTime=1774079862079, updator=sys-migrate, issue=Issue{id=1208356297246879939, tenantId=1146029695717560320, journalId=1146031591421210625, year='2025', volume='43', issue='16', pageStart='1', pageEnd='144', issueExtLink='null', onlineDate='null', pubDate='1756310400000', pubDateStr='2025-08-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766024191437, creator='13701087609', updateTime=1774330854827, updator='13041195026', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1243196968781070575, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1208356297246879939, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1243196968781070576, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1208356297246879939, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=6, endPage=6, ext={EN=ArticleExt(id=1208356299692163737, articleId=1208356299306287760, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=null, columnId=1157710593001177623, journalTitle=Science & Technology Review, columnName=Science and Technology News, runingTitle=null, highlight=null, articleAbstract=

在很多材料与生命体系里，“界面”的酸碱度（pH）与溶液主体并不一样，却很难原位量起来——这一直困扰着从电催化到生物材料的研究。德国马普高分子所团队提出了一种原位测量界面pH的新方案：先用氨基硅烷把玻璃表面功能化，再共价固定一层pH敏感染料；随后在液体环境中通过共聚焦显微镜读取荧光信号的变化，并配套建立一个同时考虑表面电荷与酸碱平衡的理论模型，对测得的光学信号进行标定与解释。这一“实验+模型”的组合，不仅能读到界面“此时此地”的pH，还揭示了界面pH与体相pH的近似线性关系，且界面端的变化幅度更收敛。据此，作者将荧光读数直接换算为“界面真实pH”，实现了在不同溶液条件与操作窗口下的可靠原位监测。2025年8月21日，相关研究成果发表于《The Journal of Physical Chemistry Letters》。

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在很多材料与生命体系里，“界面”的酸碱度（pH）与溶液主体并不一样，却很难原位量起来——这一直困扰着从电催化到生物材料的研究。德国马普高分子所团队提出了一种原位测量界面pH的新方案：先用氨基硅烷把玻璃表面功能化，再共价固定一层pH敏感染料；随后在液体环境中通过共聚焦显微镜读取荧光信号的变化，并配套建立一个同时考虑表面电荷与酸碱平衡的理论模型，对测得的光学信号进行标定与解释。这一“实验+模型”的组合，不仅能读到界面“此时此地”的pH，还揭示了界面pH与体相pH的近似线性关系，且界面端的变化幅度更收敛。据此，作者将荧光读数直接换算为“界面真实pH”，实现了在不同溶液条件与操作窗口下的可靠原位监测。2025年8月21日，相关研究成果发表于《The Journal of Physical Chemistry Letters》。

, authors=null, authorsList=null, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=版权所有，未经授权，不得转载。, copyrightOwner=《科技导报》编辑部, extLink=null, articleAbsUrl=null, sourceXml=5cmvTfuSZ3eLl6/5RNDTKQ==, magXml=5cmvTfuSZ3eLl6/5RNDTKQ==, pdfUrl=null, pdf=vrYAtofTmJa40N+EmALP3Q==, pdfFileSize=692678, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=dz49E/rgsrWBHVCK4a3LfA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=nJXHmHj7kBbjeqBATQ5ZKA==, mapNumber=null, fund=null)}, authors=null, keywords=null, refs=null, funds=null, companyList=null, figs=[ArticleFig(id=1242144233260392792, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1208356299306287760, language=EN, label=null, caption=null, figureFileSmall=4fZ+dJ6E7mDau1/kpxkWkg==, figureFileBig=tCUnS0HHDKnHLJ+as8lokw==, tableContent=null), ArticleFig(id=1242144233323307353, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1208356299306287760, language=CN, label=null, caption=用荧光强度区分界面和体相的pH

（图片来源：《The Journal of Physical Chemistry Letters》）

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