Chromium-assisted immobilization of N-isopropylacrylamide-based methacrylic acid copolymers on collagen and leather surfaces: Thermo-responsive behaviour

Debasis Samanta; Adhigan Murali; A. Jaya Prakash; Pentela Nagaraju; Ramakrishnan Ramesh; Tapas Mitra; Arumugam Gnanamani; Sellamuthu Nagappan Jaisankar; Ranganathan Mohan; Md Sayem Alam; Asit Baran Mandal

doi:10.1039/c3ra41022f

Chromium-assisted immobilization of N-isopropylacrylamide-based methacrylic acid copolymers on collagen and leather surfaces: Thermo-responsive behaviour

Debasis Samanta, Adhigan Murali, A. Jaya Prakash, Pentela Nagaraju, Ramakrishnan Ramesh, Tapas Mitra, Arumugam Gnanamani, Sellamuthu Nagappan Jaisankar, Ranganathan Mohan, Md Sayem Alam, Asit Baran Mandal

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23 Citations (Scopus)

Abstract

In the present paper, we report the non-covalent immobilization of pH and temperature responsive poly(N-isopropylacrylamide)-co-methacrylic acid on a protein collagen (type I) and a leather surface. The polymer has N-isopropylacrylamide (NIPAM) functionality that is responsible for the thermo-responsive characteristics and carboxylic acid/carboxylate functionality that facilitates the pH-responsive behaviour. We were able to tune the clouding behaviour of the polymer in water from 15 to 40 °C by changing the pH from 4.5 to 5.7. The binding of the polymer to a native collagen protein (type I) or leather is facilitated by the carboxylate groups that form coordination complexes with chromium(iii). The polymer was successfully used in the retanning and coating of leather. The polymer-coated leather as well as the polymer-grafted collagen clearly show thermo-responsive characteristics.

Original language	English
Pages (from-to)	16626-16631
Number of pages	6
Journal	RSC Advances
Volume	3
Issue number	37
DOIs	https://doi.org/10.1039/c3ra41022f
Publication status	Published - 7 Oct 2013
Externally published	Yes

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Samanta, D., Murali, A., Jaya Prakash, A., Nagaraju, P., Ramesh, R., Mitra, T., Gnanamani, A., Jaisankar, S. N., Mohan, R., Alam, M. S., & Mandal, A. B. (2013). Chromium-assisted immobilization of N-isopropylacrylamide-based methacrylic acid copolymers on collagen and leather surfaces: Thermo-responsive behaviour. RSC Advances, 3(37), 16626-16631. https://doi.org/10.1039/c3ra41022f

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title = "Chromium-assisted immobilization of N-isopropylacrylamide-based methacrylic acid copolymers on collagen and leather surfaces: Thermo-responsive behaviour",

abstract = "In the present paper, we report the non-covalent immobilization of pH and temperature responsive poly(N-isopropylacrylamide)-co-methacrylic acid on a protein collagen (type I) and a leather surface. The polymer has N-isopropylacrylamide (NIPAM) functionality that is responsible for the thermo-responsive characteristics and carboxylic acid/carboxylate functionality that facilitates the pH-responsive behaviour. We were able to tune the clouding behaviour of the polymer in water from 15 to 40 °C by changing the pH from 4.5 to 5.7. The binding of the polymer to a native collagen protein (type I) or leather is facilitated by the carboxylate groups that form coordination complexes with chromium(iii). The polymer was successfully used in the retanning and coating of leather. The polymer-coated leather as well as the polymer-grafted collagen clearly show thermo-responsive characteristics.",

author = "Debasis Samanta and Adhigan Murali and \{Jaya Prakash\}, A. and Pentela Nagaraju and Ramakrishnan Ramesh and Tapas Mitra and Arumugam Gnanamani and Jaisankar, \{Sellamuthu Nagappan\} and Ranganathan Mohan and Alam, \{Md Sayem\} and Mandal, \{Asit Baran\}",

year = "2013",

month = oct,

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doi = "10.1039/c3ra41022f",

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Samanta, D, Murali, A, Jaya Prakash, A, Nagaraju, P, Ramesh, R, Mitra, T, Gnanamani, A, Jaisankar, SN, Mohan, R, Alam, MS & Mandal, AB 2013, 'Chromium-assisted immobilization of N-isopropylacrylamide-based methacrylic acid copolymers on collagen and leather surfaces: Thermo-responsive behaviour', RSC Advances, vol. 3, no. 37, pp. 16626-16631. https://doi.org/10.1039/c3ra41022f

TY - JOUR

T1 - Chromium-assisted immobilization of N-isopropylacrylamide-based methacrylic acid copolymers on collagen and leather surfaces

T2 - Thermo-responsive behaviour

AU - Samanta, Debasis

AU - Murali, Adhigan

AU - Jaya Prakash, A.

AU - Nagaraju, Pentela

AU - Ramesh, Ramakrishnan

AU - Mitra, Tapas

AU - Gnanamani, Arumugam

AU - Jaisankar, Sellamuthu Nagappan

AU - Mohan, Ranganathan

AU - Alam, Md Sayem

AU - Mandal, Asit Baran

PY - 2013/10/7

Y1 - 2013/10/7

N2 - In the present paper, we report the non-covalent immobilization of pH and temperature responsive poly(N-isopropylacrylamide)-co-methacrylic acid on a protein collagen (type I) and a leather surface. The polymer has N-isopropylacrylamide (NIPAM) functionality that is responsible for the thermo-responsive characteristics and carboxylic acid/carboxylate functionality that facilitates the pH-responsive behaviour. We were able to tune the clouding behaviour of the polymer in water from 15 to 40 °C by changing the pH from 4.5 to 5.7. The binding of the polymer to a native collagen protein (type I) or leather is facilitated by the carboxylate groups that form coordination complexes with chromium(iii). The polymer was successfully used in the retanning and coating of leather. The polymer-coated leather as well as the polymer-grafted collagen clearly show thermo-responsive characteristics.

AB - In the present paper, we report the non-covalent immobilization of pH and temperature responsive poly(N-isopropylacrylamide)-co-methacrylic acid on a protein collagen (type I) and a leather surface. The polymer has N-isopropylacrylamide (NIPAM) functionality that is responsible for the thermo-responsive characteristics and carboxylic acid/carboxylate functionality that facilitates the pH-responsive behaviour. We were able to tune the clouding behaviour of the polymer in water from 15 to 40 °C by changing the pH from 4.5 to 5.7. The binding of the polymer to a native collagen protein (type I) or leather is facilitated by the carboxylate groups that form coordination complexes with chromium(iii). The polymer was successfully used in the retanning and coating of leather. The polymer-coated leather as well as the polymer-grafted collagen clearly show thermo-responsive characteristics.

UR - https://www.scopus.com/pages/publications/84883416506

U2 - 10.1039/c3ra41022f

DO - 10.1039/c3ra41022f

M3 - Article

AN - SCOPUS:84883416506

SN - 2046-2069

VL - 3

SP - 16626

EP - 16631

JO - RSC Advances

JF - RSC Advances

IS - 37

ER -

Chromium-assisted immobilization of N-isopropylacrylamide-based methacrylic acid copolymers on collagen and leather surfaces: Thermo-responsive behaviour

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