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Sodium alginate-based hydrogel combined with MOF-dynamic defect generation strategy: A nanobiocomposite for synergistic enhancement of urease immobilization.

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Τίτλος: Sodium alginate-based hydrogel combined with MOF-dynamic defect generation strategy: A nanobiocomposite for synergistic enhancement of urease immobilization.
Συγγραφείς: Wang Z; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China., Wang B; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China., Yang L; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China., Guo X; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China., Liu Z; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China., Chai Y; General Hospital Tianjin Medical University, Tianjin, 300052, China., Du Y; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China., Tian Z; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China., Yang J; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China., Zhu C; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China., Cao X; Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China. Electronic address: cxs15339@126.com., Ou L; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China. Electronic address: ouyll@nankai.edu.cn.
Πηγή: International journal of biological macromolecules [Int J Biol Macromol] 2026 Jan; Vol. 338 (Pt 1), pp. 149579. Date of Electronic Publication: 2025 Dec 11.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 7909578 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-0003 (Electronic) Linking ISSN: 01418130 NLM ISO Abbreviation: Int J Biol Macromol Subsets: MEDLINE
Imprint Name(s): Publication: Amsterdam : Elsevier
Original Publication: Guildford, Eng., IPC Science and Technology Press.
Ιατρικοί όροι (MeSH): Alginates*/chemistry , Urease*/chemistry , Urease*/metabolism , Enzymes, Immobilized*/chemistry , Enzymes, Immobilized*/metabolism , Hydrogels*/chemistry , Nanocomposites*/chemistry , Metal-Organic Frameworks*/chemistry, Urea/chemistry ; Carrageenan/chemistry ; Biocompatible Materials/chemistry ; Animals ; Humans
Περίληψη: Chronic kidney disease (CKD) patients face growing challenges with urea clearance, as traditional adsorbents fail to effectively remove urea. The specific catalysis of urease on urea provides a new solution. In this experiment, a novel nanobiocomposite, denoted as sodium alginate-carrageenan/UiO66-NH2@Urease (SC/U66@U), was developed using metal-organic framework (MOF) UiO66-NH2 as the nanomaterial reinforcing element to immobilize urease, with sodium alginate and carrageenan as the biomaterial matrix. The experimental outcomes revealed the material showed significant enhancement in mechanical properties, stability and reusability compared to sodium alginate-carrageenan@Urease (SC@U). Urease activity remained 67.38 % after 24 h continuous reaction (only 25.32 % in SC@U). Urea clearance efficiency in peritoneal dialysate still achieved 75.05 % during the fifth dynamic perfusion cycle. The material also had favorable biocompatibility. These demonstrate the nanobiocomposite significantly improves the enzyme encapsulation performance of the sodium alginate-based hydrogel and shows promise for meeting the clinical requirements for high-efficiency urea clearance.
(Copyright © 2025 Elsevier B.V. All rights reserved.)
Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Σχόλια: Erratum in: Int J Biol Macromol. 2026 Apr 23:151818. doi: 10.1016/j.ijbiomac.2026.151818.. (PMID: 42031604)
Contributed Indexing: Keywords: Immobilized enzyme; MOF; Nanobiocomposite
Substance Nomenclature: 0 (Alginates)
EC 3.5.1.5 (Urease)
0 (Enzymes, Immobilized)
0 (Hydrogels)
0 (Metal-Organic Frameworks)
8W8T17847W (Urea)
9000-07-1 (Carrageenan)
0 (Biocompatible Materials)
Entry Date(s): Date Created: 20251213 Date Completed: 20260121 Latest Revision: 20260424
Update Code: 20260425
DOI: 10.1016/j.ijbiomac.2025.149579
PMID: 41390032
Βάση Δεδομένων: MEDLINE
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  – Url: https://www.doi.org/10.1016/j.ijbiomac.2025.149579?
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  Label: Title
  Group: Ti
  Data: Sodium alginate-based hydrogel combined with MOF-dynamic defect generation strategy: A nanobiocomposite for synergistic enhancement of urease immobilization.
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  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AU" term="%22Wang+Z%22">Wang Z</searchLink>; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China.<br /><searchLink fieldCode="AU" term="%22Wang+B%22">Wang B</searchLink>; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China.<br /><searchLink fieldCode="AU" term="%22Yang+L%22">Yang L</searchLink>; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China.<br /><searchLink fieldCode="AU" term="%22Guo+X%22">Guo X</searchLink>; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China.<br /><searchLink fieldCode="AU" term="%22Liu+Z%22">Liu Z</searchLink>; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China.<br /><searchLink fieldCode="AU" term="%22Chai+Y%22">Chai Y</searchLink>; General Hospital Tianjin Medical University, Tianjin, 300052, China.<br /><searchLink fieldCode="AU" term="%22Du+Y%22">Du Y</searchLink>; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China.<br /><searchLink fieldCode="AU" term="%22Tian+Z%22">Tian Z</searchLink>; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China.<br /><searchLink fieldCode="AU" term="%22Yang+J%22">Yang J</searchLink>; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China.<br /><searchLink fieldCode="AU" term="%22Zhu+C%22">Zhu C</searchLink>; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China.<br /><searchLink fieldCode="AU" term="%22Cao+X%22">Cao X</searchLink>; Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China. Electronic address: cxs15339@126.com.<br /><searchLink fieldCode="AU" term="%22Ou+L%22">Ou L</searchLink>; Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China. Electronic address: ouyll@nankai.edu.cn.
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  Data: <searchLink fieldCode="JN" term="%227909578%22">International journal of biological macromolecules</searchLink> [Int J Biol Macromol] 2026 Jan; Vol. 338 (Pt 1), pp. 149579. <i>Date of Electronic Publication: </i>2025 Dec 11.
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  Data: English
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  Data: <i>Publisher: </i><searchLink fieldCode="PB" term="%22Elsevier%22">Elsevier </searchLink><i>Country of Publication: </i>Netherlands <i>NLM ID: </i>7909578 <i>Publication Model: </i>Print-Electronic <i>Cited Medium: </i>Internet <i>ISSN: </i>1879-0003 (Electronic) <i>Linking ISSN: </i><searchLink fieldCode="IS" term="%2201418130%22">01418130 </searchLink><i>NLM ISO Abbreviation: </i>Int J Biol Macromol <i>Subsets: </i>MEDLINE
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  Data: <i>Publication</i>: Amsterdam : Elsevier<br /><i>Original Publication</i>: Guildford, Eng., IPC Science and Technology Press.
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  Data: <searchLink fieldCode="MM" term="%22Alginates%22">Alginates*</searchLink>/<searchLink fieldCode="MM" term="%22Alginates+chemistry%22">chemistry</searchLink> <br /><searchLink fieldCode="MM" term="%22Urease%22">Urease*</searchLink>/<searchLink fieldCode="MM" term="%22Urease+chemistry%22">chemistry</searchLink> <br /><searchLink fieldCode="MM" term="%22Urease%22">Urease*</searchLink>/<searchLink fieldCode="MM" term="%22Urease+metabolism%22">metabolism</searchLink> <br /><searchLink fieldCode="MM" term="%22Enzymes%2C+Immobilized%22">Enzymes, Immobilized*</searchLink>/<searchLink fieldCode="MM" term="%22Enzymes%2C+Immobilized+chemistry%22">chemistry</searchLink> <br /><searchLink fieldCode="MM" term="%22Enzymes%2C+Immobilized%22">Enzymes, Immobilized*</searchLink>/<searchLink fieldCode="MM" term="%22Enzymes%2C+Immobilized+metabolism%22">metabolism</searchLink> <br /><searchLink fieldCode="MM" term="%22Hydrogels%22">Hydrogels*</searchLink>/<searchLink fieldCode="MM" term="%22Hydrogels+chemistry%22">chemistry</searchLink> <br /><searchLink fieldCode="MM" term="%22Nanocomposites%22">Nanocomposites*</searchLink>/<searchLink fieldCode="MM" term="%22Nanocomposites+chemistry%22">chemistry</searchLink> <br /><searchLink fieldCode="MM" term="%22Metal-Organic+Frameworks%22">Metal-Organic Frameworks*</searchLink>/<searchLink fieldCode="MM" term="%22Metal-Organic+Frameworks+chemistry%22">chemistry</searchLink><br /><searchLink fieldCode="MH" term="%22Urea%22">Urea</searchLink>/<searchLink fieldCode="MH" term="%22Urea+chemistry%22">chemistry</searchLink> ; <searchLink fieldCode="MH" term="%22Carrageenan%22">Carrageenan</searchLink>/<searchLink fieldCode="MH" term="%22Carrageenan+chemistry%22">chemistry</searchLink> ; <searchLink fieldCode="MH" term="%22Biocompatible+Materials%22">Biocompatible Materials</searchLink>/<searchLink fieldCode="MH" term="%22Biocompatible+Materials+chemistry%22">chemistry</searchLink> ; <searchLink fieldCode="MH" term="%22Animals%22">Animals</searchLink> ; <searchLink fieldCode="MH" term="%22Humans%22">Humans</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Chronic kidney disease (CKD) patients face growing challenges with urea clearance, as traditional adsorbents fail to effectively remove urea. The specific catalysis of urease on urea provides a new solution. In this experiment, a novel nanobiocomposite, denoted as sodium alginate-carrageenan/UiO66-NH<subscript>2</subscript>@Urease (SC/U66@U), was developed using metal-organic framework (MOF) UiO66-NH<subscript>2</subscript> as the nanomaterial reinforcing element to immobilize urease, with sodium alginate and carrageenan as the biomaterial matrix. The experimental outcomes revealed the material showed significant enhancement in mechanical properties, stability and reusability compared to sodium alginate-carrageenan@Urease (SC@U). Urease activity remained 67.38 % after 24 h continuous reaction (only 25.32 % in SC@U). Urea clearance efficiency in peritoneal dialysate still achieved 75.05 % during the fifth dynamic perfusion cycle. The material also had favorable biocompatibility. These demonstrate the nanobiocomposite significantly improves the enzyme encapsulation performance of the sodium alginate-based hydrogel and shows promise for meeting the clinical requirements for high-efficiency urea clearance.<br /> (Copyright © 2025 Elsevier B.V. All rights reserved.)
– Name: Abstract
  Label: Competing Interests
  Group: Ab
  Data: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
– Name: Comment
  Label: Comments
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  Data: Erratum in: Int J Biol Macromol. 2026 Apr 23:151818. doi: 10.1016/j.ijbiomac.2026.151818.. (PMID: <searchLink fieldCode="PM" term="%2242031604%22">42031604)</searchLink>
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  Data: <i>Keywords: </i>Immobilized enzyme; MOF; Nanobiocomposite
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  Data: 0 (Alginates)<br />EC 3.5.1.5 (Urease)<br />0 (Enzymes, Immobilized)<br />0 (Hydrogels)<br />0 (Metal-Organic Frameworks)<br />8W8T17847W (Urea)<br />9000-07-1 (Carrageenan)<br />0 (Biocompatible Materials)
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        Text: English
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      – SubjectFull: Urea chemistry
        Type: general
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