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Dual‐Emission Carbon Dots Hybrid for Ratiometric Fluorescence and Visual On‐Site Detection of Carbendazim Residues in Fruits and Vegetables.

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Title: Dual‐Emission Carbon Dots Hybrid for Ratiometric Fluorescence and Visual On‐Site Detection of Carbendazim Residues in Fruits and Vegetables.
Authors: Han, Yong1 (AUTHOR) hy0850@qq.com, Luo, Xiaoyu1,2 (AUTHOR), Li, Chengqian1,2 (AUTHOR), Ma, Yanxin1,2 (AUTHOR), Jiang, Chenxi1 (AUTHOR), Shang, Fei1 (AUTHOR), Li, Zhonghong3 (AUTHOR), Wang, Hui1 (AUTHOR) whui0850@foxmail.com
Source: Journal of Food Process Engineering. May2026, Vol. 49 Issue 5, p1-12. 12p.
Subjects: Carbendazim, Food safety, Scientific method, Carbon nanodots, Dual fluorescence, Pesticide residues in food
Abstract: A ratiometric fluorescence sensor based on dual‐emissive carbon dots (d‐CDs) and a smartphone‐assisted colorimetric platform was developed for the sensitive visual detection of carbendazim (MBC) in complex food matrices. The d‐CDs were obtained by hybridizing blue‐emissive CDs (B‐CDs) and red‐emissive CDs (R‐CDs), showing emission peaks at 430 and 610 nm under 365 nm excitation. In the presence of MBC, the 430 nm emission was quenched by π–π stacking and photoinduced electron transfer (PET), while the 610 nm emission increased due to PET inhibition through amino‐MBC coordination. The fluorescence intensity ratio (F430/F610) showed a linear response to MBC from 0 to 2.5 μM, with a detection limit of 0.0209 μM, recoveries of 93.1%–108.7%, and relative standard deviations below 3.5% in real food samples. The smartphone‐assisted method exhibited a distinct color change from dark blue to magenta under a portable UV lamp as the MBC concentration increased for the d‐CDs, allowing for instrument‐free visual semiquantitative analysis with a detection limit of 0.0700 μM. This work contributes to a reliable, portable, and economical method for quantitative and semiquantitative detection of MBC residues in fruits and vegetables, supporting real‐time food safety monitoring. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Food Process Engineering is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 194046972
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Dual‐Emission Carbon Dots Hybrid for Ratiometric Fluorescence and Visual On‐Site Detection of Carbendazim Residues in Fruits and Vegetables.
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  Data: <searchLink fieldCode="AR" term="%22Han%2C+Yong%22">Han, Yong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> hy0850@qq.com</i><br /><searchLink fieldCode="AR" term="%22Luo%2C+Xiaoyu%22">Luo, Xiaoyu</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Chengqian%22">Li, Chengqian</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Yanxin%22">Ma, Yanxin</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jiang%2C+Chenxi%22">Jiang, Chenxi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shang%2C+Fei%22">Shang, Fei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Zhonghong%22">Li, Zhonghong</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Hui%22">Wang, Hui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> whui0850@foxmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Food+Process+Engineering%22">Journal of Food Process Engineering</searchLink>. May2026, Vol. 49 Issue 5, p1-12. 12p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Carbendazim%22">Carbendazim</searchLink><br /><searchLink fieldCode="DE" term="%22Food+safety%22">Food safety</searchLink><br /><searchLink fieldCode="DE" term="%22Scientific+method%22">Scientific method</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+nanodots%22">Carbon nanodots</searchLink><br /><searchLink fieldCode="DE" term="%22Dual+fluorescence%22">Dual fluorescence</searchLink><br /><searchLink fieldCode="DE" term="%22Pesticide+residues+in+food%22">Pesticide residues in food</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A ratiometric fluorescence sensor based on dual‐emissive carbon dots (d‐CDs) and a smartphone‐assisted colorimetric platform was developed for the sensitive visual detection of carbendazim (MBC) in complex food matrices. The d‐CDs were obtained by hybridizing blue‐emissive CDs (B‐CDs) and red‐emissive CDs (R‐CDs), showing emission peaks at 430 and 610 nm under 365 nm excitation. In the presence of MBC, the 430 nm emission was quenched by π–π stacking and photoinduced electron transfer (PET), while the 610 nm emission increased due to PET inhibition through amino‐MBC coordination. The fluorescence intensity ratio (F430/F610) showed a linear response to MBC from 0 to 2.5 μM, with a detection limit of 0.0209 μM, recoveries of 93.1%–108.7%, and relative standard deviations below 3.5% in real food samples. The smartphone‐assisted method exhibited a distinct color change from dark blue to magenta under a portable UV lamp as the MBC concentration increased for the d‐CDs, allowing for instrument‐free visual semiquantitative analysis with a detection limit of 0.0700 μM. This work contributes to a reliable, portable, and economical method for quantitative and semiquantitative detection of MBC residues in fruits and vegetables, supporting real‐time food safety monitoring. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Food Process Engineering is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1111/jfpe.70526
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 12
        StartPage: 1
    Subjects:
      – SubjectFull: Carbendazim
        Type: general
      – SubjectFull: Food safety
        Type: general
      – SubjectFull: Scientific method
        Type: general
      – SubjectFull: Carbon nanodots
        Type: general
      – SubjectFull: Dual fluorescence
        Type: general
      – SubjectFull: Pesticide residues in food
        Type: general
    Titles:
      – TitleFull: Dual‐Emission Carbon Dots Hybrid for Ratiometric Fluorescence and Visual On‐Site Detection of Carbendazim Residues in Fruits and Vegetables.
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      – PersonEntity:
          Name:
            NameFull: Han, Yong
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            NameFull: Luo, Xiaoyu
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            NameFull: Li, Chengqian
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            NameFull: Ma, Yanxin
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            NameFull: Jiang, Chenxi
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            NameFull: Shang, Fei
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            NameFull: Li, Zhonghong
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            NameFull: Wang, Hui
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            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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            – Type: issn-print
              Value: 01458876
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              Value: 49
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