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Dual-template molecularly imprinted polymers based on dopamine-modified porous cellulose for simultaneous enrichment of oleanolic acid and ursolic acid from lingonberries.

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Title: Dual-template molecularly imprinted polymers based on dopamine-modified porous cellulose for simultaneous enrichment of oleanolic acid and ursolic acid from lingonberries.
Authors: Sun, Linan1,2,3 (AUTHOR), Zhang, Maoyu1,2,3 (AUTHOR), Qu, Ming1,2,3 (AUTHOR), Nie, Chengdong1,2,3 (AUTHOR), Wang, Tao1,2,3 (AUTHOR), Zhao, Jingru1,2,3 (AUTHOR), Zhou, Zhen1,2,3 (AUTHOR), Fu, Yujie1,4 (AUTHOR) yujie_fu@163.com
Source: Reactive & Functional Polymers. Jul2026, Vol. 224, pN.PAG-N.PAG. 1p.
Subjects: Imprinted polymers, Ursolic acid, Cellulose, Physisorption, Berries, Plant metabolites
Abstract: Ursolic acid (UA) and oleanolic acid (OA) are among the most commonly utilized natural products for liver protection and anti-hepatitis applications, and are also prevalent ingredients in skincare formulations. In this study, cellulose-based molecularly imprinted polymers (MCC/PDA-OA/UA-MIPs) were synthesized using surface molecular imprinting technology, wherein OA and UA bimodal template molecules were incorporated onto the surface of polydopamine-modified cellulose microspheres. The MCC/PDA-OA/UA-MIPs exhibited specific recognition ability towards OA and UA via the complementary imprinted cavities, thereby achieving simultaneous enrichment of both compounds. Characterization and adsorption evaluations revealed that the MCC/PDA-OA/UA-MIPs possessed a uniform shape, good stability, and selective adsorption properties; the maximum adsorption capacities for UA and OA reached 48.26 ± 1.97 mg g−1 and 38.06 ± 1.55 mg g−1, respectively. The enrichment efficiencies of OA and UA from lingonberry crude extract reached 62.12% and 68.46%. Overall, the MCC/PDA-OA/UA-MIPs developed in this work feature high enrichment efficiency and enhanced sustainability, providing a feasible alternative strategy for the targeted extraction of natural products. Scheme 1. The schematic synthesis process of MCC/PDA-OA/UA-MIPs. [Display omitted] • A green molecularly imprinted adsorbent material based on modified cellulose was developed. • Imprinted materials with porous structures have a greater specific surface area for adsorption. • Adsorption modeling of imprinted materials was developed. • Imprinted material successfully enriched ursolic acid and oleanolic acid from plants. [ABSTRACT FROM AUTHOR]
Copyright of Reactive & Functional Polymers is the property of Elsevier B.V. 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.)
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DbLabel: Engineering Source
An: 193804209
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PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Dual-template molecularly imprinted polymers based on dopamine-modified porous cellulose for simultaneous enrichment of oleanolic acid and ursolic acid from lingonberries.
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  Data: <searchLink fieldCode="AR" term="%22Sun%2C+Linan%22">Sun, Linan</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Maoyu%22">Zhang, Maoyu</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Qu%2C+Ming%22">Qu, Ming</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nie%2C+Chengdong%22">Nie, Chengdong</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Tao%22">Wang, Tao</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Jingru%22">Zhao, Jingru</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Zhen%22">Zhou, Zhen</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fu%2C+Yujie%22">Fu, Yujie</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<i> yujie_fu@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Reactive+%26+Functional+Polymers%22">Reactive & Functional Polymers</searchLink>. Jul2026, Vol. 224, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Imprinted+polymers%22">Imprinted polymers</searchLink><br /><searchLink fieldCode="DE" term="%22Ursolic+acid%22">Ursolic acid</searchLink><br /><searchLink fieldCode="DE" term="%22Cellulose%22">Cellulose</searchLink><br /><searchLink fieldCode="DE" term="%22Physisorption%22">Physisorption</searchLink><br /><searchLink fieldCode="DE" term="%22Berries%22">Berries</searchLink><br /><searchLink fieldCode="DE" term="%22Plant+metabolites%22">Plant metabolites</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Ursolic acid (UA) and oleanolic acid (OA) are among the most commonly utilized natural products for liver protection and anti-hepatitis applications, and are also prevalent ingredients in skincare formulations. In this study, cellulose-based molecularly imprinted polymers (MCC/PDA-OA/UA-MIPs) were synthesized using surface molecular imprinting technology, wherein OA and UA bimodal template molecules were incorporated onto the surface of polydopamine-modified cellulose microspheres. The MCC/PDA-OA/UA-MIPs exhibited specific recognition ability towards OA and UA via the complementary imprinted cavities, thereby achieving simultaneous enrichment of both compounds. Characterization and adsorption evaluations revealed that the MCC/PDA-OA/UA-MIPs possessed a uniform shape, good stability, and selective adsorption properties; the maximum adsorption capacities for UA and OA reached 48.26 ± 1.97 mg g−1 and 38.06 ± 1.55 mg g−1, respectively. The enrichment efficiencies of OA and UA from lingonberry crude extract reached 62.12% and 68.46%. Overall, the MCC/PDA-OA/UA-MIPs developed in this work feature high enrichment efficiency and enhanced sustainability, providing a feasible alternative strategy for the targeted extraction of natural products. Scheme 1. The schematic synthesis process of MCC/PDA-OA/UA-MIPs. [Display omitted] • A green molecularly imprinted adsorbent material based on modified cellulose was developed. • Imprinted materials with porous structures have a greater specific surface area for adsorption. • Adsorption modeling of imprinted materials was developed. • Imprinted material successfully enriched ursolic acid and oleanolic acid from plants. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Reactive & Functional Polymers is the property of Elsevier B.V. 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.reactfunctpolym.2026.106738
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Imprinted polymers
        Type: general
      – SubjectFull: Ursolic acid
        Type: general
      – SubjectFull: Cellulose
        Type: general
      – SubjectFull: Physisorption
        Type: general
      – SubjectFull: Berries
        Type: general
      – SubjectFull: Plant metabolites
        Type: general
    Titles:
      – TitleFull: Dual-template molecularly imprinted polymers based on dopamine-modified porous cellulose for simultaneous enrichment of oleanolic acid and ursolic acid from lingonberries.
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            NameFull: Sun, Linan
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            NameFull: Zhang, Maoyu
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            NameFull: Qu, Ming
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            NameFull: Nie, Chengdong
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            NameFull: Wang, Tao
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            NameFull: Zhao, Jingru
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            – D: 01
              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
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              Value: 224
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            – TitleFull: Reactive & Functional Polymers
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