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Journal of Textiles, Coloration and Polymer Science
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Volume Volume 17 (2020)
Volume Volume 16 (2019)
Volume Volume 15 (2018)
Issue Issue 1
Volume Volume 14 (2010)
Yassin, M., Naguib, M., Abdel Rehim, M., Ali, K. (2018). Immobilization of β-galactosidase on Carrageenan Gel via bio-inspired Polydopamine Coating. Journal of Textiles, Coloration and Polymer Science, 15(1), 85-93. doi: 10.21608/jtcps.2018.6267.1012
Mohamed A Yassin; Mohamed Naguib; Mona H Abdel Rehim; Korany A Ali. "Immobilization of β-galactosidase on Carrageenan Gel via bio-inspired Polydopamine Coating". Journal of Textiles, Coloration and Polymer Science, 15, 1, 2018, 85-93. doi: 10.21608/jtcps.2018.6267.1012
Yassin, M., Naguib, M., Abdel Rehim, M., Ali, K. (2018). 'Immobilization of β-galactosidase on Carrageenan Gel via bio-inspired Polydopamine Coating', Journal of Textiles, Coloration and Polymer Science, 15(1), pp. 85-93. doi: 10.21608/jtcps.2018.6267.1012
Yassin, M., Naguib, M., Abdel Rehim, M., Ali, K. Immobilization of β-galactosidase on Carrageenan Gel via bio-inspired Polydopamine Coating. Journal of Textiles, Coloration and Polymer Science, 2018; 15(1): 85-93. doi: 10.21608/jtcps.2018.6267.1012

Immobilization of β-galactosidase on Carrageenan Gel via bio-inspired Polydopamine Coating

Article 8, Volume 15, Issue 1, Summer and Autumn 2018, Page 85-93  XML PDF (1.56 MB)
Document Type: Original Article
DOI: 10.21608/jtcps.2018.6267.1012
Authors
Mohamed A Yassin email orcid 1; Mohamed Naguib2; Mona H Abdel Rehim3; Korany A Ali4
11 Packing and Packaging Materials Department, National Research Centre, Giza, Egypt 2 Advanced Materials and Nanotechnology Lab., Center of Excellence, National Research Centre, Giza, Egypt
22 Advanced Materials and Nanotechnology Lab., Center of Excellence, National Research Centre, Giza, Egypt 3 Polymers and Pigments Department, National Research Centre, Giza, Egypt
31 Packing and Packaging Materials Department, National Research Centre, Giza, Egypt
42 Advanced Materials and Nanotechnology Lab., Center of Excellence, National Research Centre, Giza, Egypt 4 Applied Organic Chemistry Department, National Research Centre, Giza, Egypt
Receive Date: 18 November 2018,  Revise Date: 25 November 2018,  Accept Date: 28 November 2018 
Abstract
In the context of diligent efforts directed to develop new polymeric matrices for enzyme immobilization, we developed carrageenan gel disks activated with bio-inspired polydopamine layer. The carrageenan gel disks were firstly treated with polycationic polymer (hyperbranched polyamidoamine) followed by a polydopamine layer. Such a layer can act as an active platform for the covalent immobilization of enzymes via Michael addition and Schiff base. The mechanical strength of the coated gel disks was obviously enhanced. β-galactosidase was successfully immobilized with a loading efficiency of about 52 %. Furthermore, the immobilized β-galactosidase exhibited enhanced activity at a broader range of pH and temperature. Additionally, the immobilized β-galactosidase preserved around 80 % of the initial activity during the eleven reusability cycles. Generally, activation of the gel disks with the bio-inspired polydopamine layer considered as a safe alternative to the glutaraldehyde due to its cytotoxic. Accordingly, the easily formed carrageenan gel disks coated with polydopamine could have potential as enzyme carrier in drug and food industries.
Keywords
Carrageenan; Dopamine; Immobilization; β-galactosidase; Lactose free
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