Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels

Self-healing, thermo-responsive hydrogels have received increasing attention for tissue engineering, drug delivery, and cosmetic applications. Here, a thermo-responsive hydrogel with self-healing properties was prepared from methylcellulose (MC) and a water-soluble chitosan oligomer (CHI-O). First,...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Yeo, Yong Ho [verfasserIn] Park, Won Ho [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Methylcellulose Chitosan oligomer Dual crosslinking system Copolymer hydrogel Thermo-responsive property Self-healing property

Übergeordnetes Werk:	Enthalten in: Carbohydrate polymers - Amsterdam [u.a.] : Elsevier Science, 1981, 258
Übergeordnetes Werk:	volume:258

DOI / URN:	10.1016/j.carbpol.2021.117705

Katalog-ID:	ELV00554145X

Internformat


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520			\|a Self-healing, thermo-responsive hydrogels have received increasing attention for tissue engineering, drug delivery, and cosmetic applications. Here, a thermo-responsive hydrogel with self-healing properties was prepared from methylcellulose (MC) and a water-soluble chitosan oligomer (CHI-O). First, dialdehyde methylcellulose (DAMC) derivative was synthesized from MC via periodate oxidation, and its rheological behavior was investigated according to the degree of oxidation. Next, dual-crosslinked DAMC/CHI-O copolymer hydrogels were obtained via Schiff base formation between the aldehyde group of DAMC and the amino group of CHI-O. These hydrogels were chemically linked by imine bonds and physically linked through hydrophobic interactions originating from MC. Based on rheological and compression tests, the gelation rate, mechanical properties, and self-healing properties of the copolymer hydrogels are compared with those of the MC hydrogel. Finally, the release of model compounds (adenosine and l-ascorbic acid) from the DAMC/CHI-O copolymer hydrogel was studied as a preliminary test for cosmetic applications.
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Indexfelder

author_variant	y h y yh yhy w h p wh whp
matchkey_str	article:18791344:2021----::ulrslneslhaigntemrsosvmtycluoehtsn
hierarchy_sort_str	2021
bklnumber	58.34 49.25
publishDate	2021
allfields	10.1016/j.carbpol.2021.117705 doi (DE-627)ELV00554145X (ELSEVIER)S0144-8617(21)00092-8 DE-627 ger DE-627 rda eng 540 660 DE-600 58.34 bkl 49.25 bkl Yeo, Yong Ho verfasserin aut Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Self-healing, thermo-responsive hydrogels have received increasing attention for tissue engineering, drug delivery, and cosmetic applications. Here, a thermo-responsive hydrogel with self-healing properties was prepared from methylcellulose (MC) and a water-soluble chitosan oligomer (CHI-O). First, dialdehyde methylcellulose (DAMC) derivative was synthesized from MC via periodate oxidation, and its rheological behavior was investigated according to the degree of oxidation. Next, dual-crosslinked DAMC/CHI-O copolymer hydrogels were obtained via Schiff base formation between the aldehyde group of DAMC and the amino group of CHI-O. These hydrogels were chemically linked by imine bonds and physically linked through hydrophobic interactions originating from MC. Based on rheological and compression tests, the gelation rate, mechanical properties, and self-healing properties of the copolymer hydrogels are compared with those of the MC hydrogel. Finally, the release of model compounds (adenosine and l-ascorbic acid) from the DAMC/CHI-O copolymer hydrogel was studied as a preliminary test for cosmetic applications. Methylcellulose Chitosan oligomer Dual crosslinking system Copolymer hydrogel Thermo-responsive property Self-healing property Park, Won Ho verfasserin (orcid)0000-0003-1768-830X aut Enthalten in Carbohydrate polymers Amsterdam [u.a.] : Elsevier Science, 1981 258 Online-Ressource (DE-627)306717611 (DE-600)1501516-6 (DE-576)109967178 1879-1344 nnns volume:258 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.34 Lebensmitteltechnologie 49.25 Lebensmittelkunde Ernährungslehre AR 258
spelling	10.1016/j.carbpol.2021.117705 doi (DE-627)ELV00554145X (ELSEVIER)S0144-8617(21)00092-8 DE-627 ger DE-627 rda eng 540 660 DE-600 58.34 bkl 49.25 bkl Yeo, Yong Ho verfasserin aut Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Self-healing, thermo-responsive hydrogels have received increasing attention for tissue engineering, drug delivery, and cosmetic applications. Here, a thermo-responsive hydrogel with self-healing properties was prepared from methylcellulose (MC) and a water-soluble chitosan oligomer (CHI-O). First, dialdehyde methylcellulose (DAMC) derivative was synthesized from MC via periodate oxidation, and its rheological behavior was investigated according to the degree of oxidation. Next, dual-crosslinked DAMC/CHI-O copolymer hydrogels were obtained via Schiff base formation between the aldehyde group of DAMC and the amino group of CHI-O. These hydrogels were chemically linked by imine bonds and physically linked through hydrophobic interactions originating from MC. Based on rheological and compression tests, the gelation rate, mechanical properties, and self-healing properties of the copolymer hydrogels are compared with those of the MC hydrogel. Finally, the release of model compounds (adenosine and l-ascorbic acid) from the DAMC/CHI-O copolymer hydrogel was studied as a preliminary test for cosmetic applications. Methylcellulose Chitosan oligomer Dual crosslinking system Copolymer hydrogel Thermo-responsive property Self-healing property Park, Won Ho verfasserin (orcid)0000-0003-1768-830X aut Enthalten in Carbohydrate polymers Amsterdam [u.a.] : Elsevier Science, 1981 258 Online-Ressource (DE-627)306717611 (DE-600)1501516-6 (DE-576)109967178 1879-1344 nnns volume:258 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.34 Lebensmitteltechnologie 49.25 Lebensmittelkunde Ernährungslehre AR 258
allfields_unstemmed	10.1016/j.carbpol.2021.117705 doi (DE-627)ELV00554145X (ELSEVIER)S0144-8617(21)00092-8 DE-627 ger DE-627 rda eng 540 660 DE-600 58.34 bkl 49.25 bkl Yeo, Yong Ho verfasserin aut Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Self-healing, thermo-responsive hydrogels have received increasing attention for tissue engineering, drug delivery, and cosmetic applications. Here, a thermo-responsive hydrogel with self-healing properties was prepared from methylcellulose (MC) and a water-soluble chitosan oligomer (CHI-O). First, dialdehyde methylcellulose (DAMC) derivative was synthesized from MC via periodate oxidation, and its rheological behavior was investigated according to the degree of oxidation. Next, dual-crosslinked DAMC/CHI-O copolymer hydrogels were obtained via Schiff base formation between the aldehyde group of DAMC and the amino group of CHI-O. These hydrogels were chemically linked by imine bonds and physically linked through hydrophobic interactions originating from MC. Based on rheological and compression tests, the gelation rate, mechanical properties, and self-healing properties of the copolymer hydrogels are compared with those of the MC hydrogel. Finally, the release of model compounds (adenosine and l-ascorbic acid) from the DAMC/CHI-O copolymer hydrogel was studied as a preliminary test for cosmetic applications. Methylcellulose Chitosan oligomer Dual crosslinking system Copolymer hydrogel Thermo-responsive property Self-healing property Park, Won Ho verfasserin (orcid)0000-0003-1768-830X aut Enthalten in Carbohydrate polymers Amsterdam [u.a.] : Elsevier Science, 1981 258 Online-Ressource (DE-627)306717611 (DE-600)1501516-6 (DE-576)109967178 1879-1344 nnns volume:258 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.34 Lebensmitteltechnologie 49.25 Lebensmittelkunde Ernährungslehre AR 258
allfieldsGer	10.1016/j.carbpol.2021.117705 doi (DE-627)ELV00554145X (ELSEVIER)S0144-8617(21)00092-8 DE-627 ger DE-627 rda eng 540 660 DE-600 58.34 bkl 49.25 bkl Yeo, Yong Ho verfasserin aut Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Self-healing, thermo-responsive hydrogels have received increasing attention for tissue engineering, drug delivery, and cosmetic applications. Here, a thermo-responsive hydrogel with self-healing properties was prepared from methylcellulose (MC) and a water-soluble chitosan oligomer (CHI-O). First, dialdehyde methylcellulose (DAMC) derivative was synthesized from MC via periodate oxidation, and its rheological behavior was investigated according to the degree of oxidation. Next, dual-crosslinked DAMC/CHI-O copolymer hydrogels were obtained via Schiff base formation between the aldehyde group of DAMC and the amino group of CHI-O. These hydrogels were chemically linked by imine bonds and physically linked through hydrophobic interactions originating from MC. Based on rheological and compression tests, the gelation rate, mechanical properties, and self-healing properties of the copolymer hydrogels are compared with those of the MC hydrogel. Finally, the release of model compounds (adenosine and l-ascorbic acid) from the DAMC/CHI-O copolymer hydrogel was studied as a preliminary test for cosmetic applications. Methylcellulose Chitosan oligomer Dual crosslinking system Copolymer hydrogel Thermo-responsive property Self-healing property Park, Won Ho verfasserin (orcid)0000-0003-1768-830X aut Enthalten in Carbohydrate polymers Amsterdam [u.a.] : Elsevier Science, 1981 258 Online-Ressource (DE-627)306717611 (DE-600)1501516-6 (DE-576)109967178 1879-1344 nnns volume:258 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.34 Lebensmitteltechnologie 49.25 Lebensmittelkunde Ernährungslehre AR 258
allfieldsSound	10.1016/j.carbpol.2021.117705 doi (DE-627)ELV00554145X (ELSEVIER)S0144-8617(21)00092-8 DE-627 ger DE-627 rda eng 540 660 DE-600 58.34 bkl 49.25 bkl Yeo, Yong Ho verfasserin aut Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Self-healing, thermo-responsive hydrogels have received increasing attention for tissue engineering, drug delivery, and cosmetic applications. Here, a thermo-responsive hydrogel with self-healing properties was prepared from methylcellulose (MC) and a water-soluble chitosan oligomer (CHI-O). First, dialdehyde methylcellulose (DAMC) derivative was synthesized from MC via periodate oxidation, and its rheological behavior was investigated according to the degree of oxidation. Next, dual-crosslinked DAMC/CHI-O copolymer hydrogels were obtained via Schiff base formation between the aldehyde group of DAMC and the amino group of CHI-O. These hydrogels were chemically linked by imine bonds and physically linked through hydrophobic interactions originating from MC. Based on rheological and compression tests, the gelation rate, mechanical properties, and self-healing properties of the copolymer hydrogels are compared with those of the MC hydrogel. Finally, the release of model compounds (adenosine and l-ascorbic acid) from the DAMC/CHI-O copolymer hydrogel was studied as a preliminary test for cosmetic applications. Methylcellulose Chitosan oligomer Dual crosslinking system Copolymer hydrogel Thermo-responsive property Self-healing property Park, Won Ho verfasserin (orcid)0000-0003-1768-830X aut Enthalten in Carbohydrate polymers Amsterdam [u.a.] : Elsevier Science, 1981 258 Online-Ressource (DE-627)306717611 (DE-600)1501516-6 (DE-576)109967178 1879-1344 nnns volume:258 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.34 Lebensmitteltechnologie 49.25 Lebensmittelkunde Ernährungslehre AR 258
language	English
source	Enthalten in Carbohydrate polymers 258 volume:258
sourceStr	Enthalten in Carbohydrate polymers 258 volume:258
format_phy_str_mv	Article
bklname	Lebensmitteltechnologie Lebensmittelkunde Ernährungslehre
institution	findex.gbv.de
topic_facet	Methylcellulose Chitosan oligomer Dual crosslinking system Copolymer hydrogel Thermo-responsive property Self-healing property
dewey-raw	540
isfreeaccess_bool	false
container_title	Carbohydrate polymers
authorswithroles_txt_mv	Yeo, Yong Ho @@aut@@ Park, Won Ho @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	306717611
dewey-sort	3540
id	ELV00554145X
language_de	englisch
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author	Yeo, Yong Ho
spellingShingle	Yeo, Yong Ho ddc 540 bkl 58.34 bkl 49.25 misc Methylcellulose misc Chitosan oligomer misc Dual crosslinking system misc Copolymer hydrogel misc Thermo-responsive property misc Self-healing property Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels
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topic_title	540 660 DE-600 58.34 bkl 49.25 bkl Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels Methylcellulose Chitosan oligomer Dual crosslinking system Copolymer hydrogel Thermo-responsive property Self-healing property
topic	ddc 540 bkl 58.34 bkl 49.25 misc Methylcellulose misc Chitosan oligomer misc Dual crosslinking system misc Copolymer hydrogel misc Thermo-responsive property misc Self-healing property
topic_unstemmed	ddc 540 bkl 58.34 bkl 49.25 misc Methylcellulose misc Chitosan oligomer misc Dual crosslinking system misc Copolymer hydrogel misc Thermo-responsive property misc Self-healing property
topic_browse	ddc 540 bkl 58.34 bkl 49.25 misc Methylcellulose misc Chitosan oligomer misc Dual crosslinking system misc Copolymer hydrogel misc Thermo-responsive property misc Self-healing property
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title	Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels
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title_full	Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels
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title_sort	dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels
title_auth	Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels
abstract	Self-healing, thermo-responsive hydrogels have received increasing attention for tissue engineering, drug delivery, and cosmetic applications. Here, a thermo-responsive hydrogel with self-healing properties was prepared from methylcellulose (MC) and a water-soluble chitosan oligomer (CHI-O). First, dialdehyde methylcellulose (DAMC) derivative was synthesized from MC via periodate oxidation, and its rheological behavior was investigated according to the degree of oxidation. Next, dual-crosslinked DAMC/CHI-O copolymer hydrogels were obtained via Schiff base formation between the aldehyde group of DAMC and the amino group of CHI-O. These hydrogels were chemically linked by imine bonds and physically linked through hydrophobic interactions originating from MC. Based on rheological and compression tests, the gelation rate, mechanical properties, and self-healing properties of the copolymer hydrogels are compared with those of the MC hydrogel. Finally, the release of model compounds (adenosine and l-ascorbic acid) from the DAMC/CHI-O copolymer hydrogel was studied as a preliminary test for cosmetic applications.
abstractGer	Self-healing, thermo-responsive hydrogels have received increasing attention for tissue engineering, drug delivery, and cosmetic applications. Here, a thermo-responsive hydrogel with self-healing properties was prepared from methylcellulose (MC) and a water-soluble chitosan oligomer (CHI-O). First, dialdehyde methylcellulose (DAMC) derivative was synthesized from MC via periodate oxidation, and its rheological behavior was investigated according to the degree of oxidation. Next, dual-crosslinked DAMC/CHI-O copolymer hydrogels were obtained via Schiff base formation between the aldehyde group of DAMC and the amino group of CHI-O. These hydrogels were chemically linked by imine bonds and physically linked through hydrophobic interactions originating from MC. Based on rheological and compression tests, the gelation rate, mechanical properties, and self-healing properties of the copolymer hydrogels are compared with those of the MC hydrogel. Finally, the release of model compounds (adenosine and l-ascorbic acid) from the DAMC/CHI-O copolymer hydrogel was studied as a preliminary test for cosmetic applications.
abstract_unstemmed	Self-healing, thermo-responsive hydrogels have received increasing attention for tissue engineering, drug delivery, and cosmetic applications. Here, a thermo-responsive hydrogel with self-healing properties was prepared from methylcellulose (MC) and a water-soluble chitosan oligomer (CHI-O). First, dialdehyde methylcellulose (DAMC) derivative was synthesized from MC via periodate oxidation, and its rheological behavior was investigated according to the degree of oxidation. Next, dual-crosslinked DAMC/CHI-O copolymer hydrogels were obtained via Schiff base formation between the aldehyde group of DAMC and the amino group of CHI-O. These hydrogels were chemically linked by imine bonds and physically linked through hydrophobic interactions originating from MC. Based on rheological and compression tests, the gelation rate, mechanical properties, and self-healing properties of the copolymer hydrogels are compared with those of the MC hydrogel. Finally, the release of model compounds (adenosine and l-ascorbic acid) from the DAMC/CHI-O copolymer hydrogel was studied as a preliminary test for cosmetic applications.
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title_short	Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels
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doi_str	10.1016/j.carbpol.2021.117705
up_date	2024-07-06T18:19:09.712Z
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Dual-crosslinked, self-healing and thermo-responsive methylcellulose/chitosan oligomer copolymer hydrogels

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