Article(id=1319987051412435682, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986978137944236, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210567, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1626019200000, receivedDateStr=2021-07-12, revisedDate=1632931200000, revisedDateStr=2021-09-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1792639037230, onlineDateStr=2026-10-22, pubDate=1647705600000, pubDateStr=2022-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792639037230, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792639037230, creator=13701087609, updateTime=1792639037230, updator=13701087609, issue=Issue{id=1319986978137944236, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='3', pageStart='555', pageEnd='876', issueExtLink='null', onlineDate='null', pubDate='1647705600000', pubDateStr='2022-03-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792639019760, creator='13701087609', updateTime=1792639223744, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319987833767575858, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986978137944236, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319987833767575859, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986978137944236, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=812, endPage=818, ext={EN=ArticleExt(id=1319987051613762275, articleId=1319987051412435682, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Preparation of CQDs/Eu3+ Ratiometric Fluorescent Probe for Visual Detection of Tetracycline, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

A ratiometric fluorescent probe was constructed with carbon quantum dots (CQDs) and europium ions (Eu3+) as a fluorophore for the visual detection of teracycline (TC). In this ratiometric probe, CQDs/Eu3+ has an intense blue fluorescence peak at 439 nm and a weak red fluorescence peak at 616 nm under the excitation of 380 nm wavelength. The fluorescence peak intensity of CQDs at 439 nm gradually decreases based on the inner filter effect. The fluorescence intensity of Eu3+ at 616 nm increases due to an antenna effect with the addition of TC. The experimental factors, such as CQDs and Eu3+ ratio, response time, stability, etc., were optimized. The results show that the ratio fluorescent probe has a specific recognition ability for TC. A linear relationship between the fluorescence intensity ratio(F616/F439) and different concentrations of TC (0-50 μM) was established with a detection limit of 0.68 µM. With the addition of TC, the color of the ratio fluorescent probe solution under ultraviolet light gradually changes from blue to red and is used for the detection of TC in milk with the recoveries ranging from 92.5% to 1 14.8%. In addition, a TC test paper was also prepared, which can be quickly used for a visual test paper detection of TC.

, authors=Jiahong ZHENG, Yan ZHOU, Kangkang CHENG, authorsList=Jiahong ZHENG, Yan ZHOU, Kangkang CHENG, authorCompany=null, correspAuthors=null, authorNote=

ZHENG Jiahong (1983-), female, Ph.D, Associate Professor. E-mail:

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以碳量子点(CQDs)和铕离子(Eu3+)为荧光基团,构建比率荧光探针(CQDs/Eu3+),用于四环素(TC)的可视化检测。在380 nm波长激发下,CQDs/Eu3+在439 nm处存在较强的蓝色荧光峰,在616 nm处存在较弱的红色荧光峰,当TC存在时,基于内滤效应439 nm处CQDs的荧光峰强度降低;基于天线效应616 nm处Eu3+荧光强度增强。研究优化了CQDs和Eu3+比例、响应时间、稳定性等实验条件。结果表明:该比率荧光探针对TC具有特异性识别能力,荧光强度比(F616/F439)与不同浓度TC(0 ~50 µM)之间存在良好的线性关系,对TC最低检测限为0.68 µM,随着TC的加入,比率荧光探针溶液在紫外灯下的颜色由蓝色逐渐变成红色并成功用于牛奶中TC检测,回收率为92.5%~114.8%。还制备了TC检测试纸,可快速用于对TC的可视化试纸检测。

, authors=郑佳红, 周艳, 程康康, authorsList=郑佳红, 周艳, 程康康, authorCompany=null, correspAuthors=null, authorNote=

郑佳红(1983—),女,博士,副教授。

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CQDs/Eu3+比率荧光探针的制备及对四环素的检测
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郑佳红 , 周艳 , 程康康
硅酸盐学报 | 研究论文 2022,50(3): 812-818
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硅酸盐学报 |研究论文 2022 , 50 (3) : 812 -818
CQDs/Eu3+比率荧光探针的制备及对四环素的检测
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郑佳红 , 周艳, 程康康
作者信息
  • 长安大学材料科学与工程学院,西安 710061
作者简介:

郑佳红(1983—),女,博士,副教授。

Preparation of CQDs/Eu3+ Ratiometric Fluorescent Probe for Visual Detection of Tetracycline
Jiahong ZHENG , Yan ZHOU, Kangkang CHENG
Affiliations
  • School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China
  • ZHENG Jiahong (1983-), female, Ph.D, Associate Professor. E-mail:

出版时间: 2022-03-20 doi: 10.14062/j.issn.0454-5648.20210567
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以碳量子点(CQDs)和铕离子(Eu3+)为荧光基团,构建比率荧光探针(CQDs/Eu3+),用于四环素(TC)的可视化检测。在380 nm波长激发下,CQDs/Eu3+在439 nm处存在较强的蓝色荧光峰,在616 nm处存在较弱的红色荧光峰,当TC存在时,基于内滤效应439 nm处CQDs的荧光峰强度降低;基于天线效应616 nm处Eu3+荧光强度增强。研究优化了CQDs和Eu3+比例、响应时间、稳定性等实验条件。结果表明:该比率荧光探针对TC具有特异性识别能力,荧光强度比(F616/F439)与不同浓度TC(0 ~50 µM)之间存在良好的线性关系,对TC最低检测限为0.68 µM,随着TC的加入,比率荧光探针溶液在紫外灯下的颜色由蓝色逐渐变成红色并成功用于牛奶中TC检测,回收率为92.5%~114.8%。还制备了TC检测试纸,可快速用于对TC的可视化试纸检测。

碳量子点  /  铕离子  /  比率荧光探针  /  四环素

A ratiometric fluorescent probe was constructed with carbon quantum dots (CQDs) and europium ions (Eu3+) as a fluorophore for the visual detection of teracycline (TC). In this ratiometric probe, CQDs/Eu3+ has an intense blue fluorescence peak at 439 nm and a weak red fluorescence peak at 616 nm under the excitation of 380 nm wavelength. The fluorescence peak intensity of CQDs at 439 nm gradually decreases based on the inner filter effect. The fluorescence intensity of Eu3+ at 616 nm increases due to an antenna effect with the addition of TC. The experimental factors, such as CQDs and Eu3+ ratio, response time, stability, etc., were optimized. The results show that the ratio fluorescent probe has a specific recognition ability for TC. A linear relationship between the fluorescence intensity ratio(F616/F439) and different concentrations of TC (0-50 μM) was established with a detection limit of 0.68 µM. With the addition of TC, the color of the ratio fluorescent probe solution under ultraviolet light gradually changes from blue to red and is used for the detection of TC in milk with the recoveries ranging from 92.5% to 1 14.8%. In addition, a TC test paper was also prepared, which can be quickly used for a visual test paper detection of TC.

carbon quantum dots  /  europium ions  /  ratiometric fluorescent ptobe  /  tetracyclines
郑佳红, 周艳, 程康康. CQDs/Eu3+比率荧光探针的制备及对四环素的检测. 硅酸盐学报, 2022 , 50 (3) : 812 -818 . DOI: 10.14062/j.issn.0454-5648.20210567
Jiahong ZHENG, Yan ZHOU, Kangkang CHENG. Preparation of CQDs/Eu3+ Ratiometric Fluorescent Probe for Visual Detection of Tetracycline[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (3) : 812 -818 . DOI: 10.14062/j.issn.0454-5648.20210567
  • 陕西省自然科学专项基金(2020JM-221)
  • 长安大学中央高校基本科研业务费专项资金资助(300102310203; 300102311405)
  • 大学生创新创业训练计划项目(S202010710207)
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doi: 10.14062/j.issn.0454-5648.20210567
  • 接收时间:2021-07-12
  • 首发时间:2026-10-22
  • 出版时间:2022-03-20
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  • 收稿日期:2021-07-12
  • 修回日期:2021-09-30
基金
陕西省自然科学专项基金(2020JM-221)
长安大学中央高校基本科研业务费专项资金资助(300102310203; 300102311405)
大学生创新创业训练计划项目(S202010710207)
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    长安大学材料科学与工程学院,西安 710061
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2种不同金属材料的力学参数
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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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