Interaction and Thermal Stability of Oxidized Carboxymethyl Cellulose/Collagen Based on Two-Dimensional Infrared Spectroscopy

Zhen-hua TIAN; Jing-xuan HE; Ying WANG; Lian DUAN; Cong-hu LI

doi:10.3964/j.issn.1000-0593(2021)09-2782-07

Journals >Spectroscopy and Spectral Analysis >Volume 41 >Issue 9 >Page 2782 > Article

Spectroscopy and Spectral Analysis
Vol. 41, Issue 9, 2782 (2021)

Interaction and Thermal Stability of Oxidized Carboxymethyl Cellulose/Collagen Based on Two-Dimensional Infrared Spectroscopy

Zhen-hua TIAN^1、*, Jing-xuan HE^1、1;, Ying WANG^1、1;, Lian DUAN^3、3;, and Cong-hu LI^4、4;

Author Affiliations

¹1. College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China

³3. College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China

⁴4. College of Life Science, Anqing Normal University, Anqing 246133, China

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DOI: 10.3964/j.issn.1000-0593(2021)09-2782-07 Cite this Article

Zhen-hua TIAN, Jing-xuan HE, Ying WANG, Lian DUAN, Cong-hu LI. Interaction and Thermal Stability of Oxidized Carboxymethyl Cellulose/Collagen Based on Two-Dimensional Infrared Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2021, 41(9): 2782 Copy Citation Text

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Fig. 1. Schematic diagram of the preparation of OCMC

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Fig. 2. FITR spectra (a) and enlarge spectra (b) of collagen cross-linked with OCMC

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Fig. 3. 2D synchronous (a) and asynchronous (b) spectra of collagens cross-linked by OCMC

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Fig. 4. Temperature-dependent infrared spectra and enlarge spectra of native collagen (a, b) and cross-linked collagen (c, d)
a→k: 25~125 ℃

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Fig. 5. Temperature-dependent 2D synchronous and asynchronous infrared spectra of native (a, b) and cross-linked collagen (c, d)

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序号	Φ(ν₁, ν₂)	Ψ(ν₁, ν₂)	响应顺序
1	Φ(1 730, 1 610)>0	Ψ(1 730, 1 610)>0	1 730 cm^-1先于1 610 cm^-1
2	Φ(1 730, 1 435)>0	Ψ(1 730, 1 435)<0	1 435 cm^-1先于1 730 cm^-1
3	Φ(1 500, 1 320)>0	Ψ(1 500, 1 320)>0	1 500 cm^-1先于1 320 cm^-1
4	Φ(1 435, 1 236)>0	Ψ(1 435, 1 236)<0	1 236 cm^-1先于1 435 cm^-1
5	Φ(1 320, 1 236)>0	Ψ(1 320, 1 236)>0	1 320 cm^-1先于1 236 cm^-1
1 500 cm^-1>1 320 cm^-1>1 236 cm^-1>1 435 cm^-1>1 730 cm^-1>1 610 cm^-1

Table 1. Cross-peaks intensities and the response order of cross-linked collagens

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样品	A_Ⅲ/A_{1 455}
样品	25 ℃	35 ℃	45 ℃	55 ℃	65 ℃	75 ℃	95 ℃	105 ℃	115 ℃	125 ℃
C0	0.980	1.012	0.950	0.886	0.882	0.878	0.874	0.771	0.667	0.663
C5	1.016	1.049	0.951	0.900	0.885	0.870	0.881	0.875	0.858	0.845

Table 2. A_Ⅲ/A_{1 455} values of native and cross-linked collagens at various temperatures

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样品	序号	Φ(ν₁, ν₂)	Ψ(ν₁, ν₂)	响应顺序
胶原	1	Φ(1 655, 1 555)>0	Ψ(1 655, 1 555)~0	无法判断
	2	Φ(1 655, 1 455)>0	Ψ(1 655, 1 455)>0	1 655 cm^-1先于1 455 cm^-1
	3	Φ(1 655, 1 240)>0	Ψ(1 655, 1 240)<0	1 240 cm^-1先于1 655 cm^-1
	4	Φ(1 555, 1 455)>0	Ψ(1 555, 1 455)>0	1 555 cm^-1先于1 455 cm^-1
	5	Φ(1 555, 1 240)>0	Ψ(1 555, 1 240)<0	1 240 cm^-1先于1 555 cm^-1
	6	Φ(1 500, 1 240)<0	Ψ(1 500, 1 240)<0	1 500 cm^-1先于1 240 cm^-1
改性胶原	1	Φ(1 730, 1 655)<0	Ψ(1 730, 1 755)<0	1 730 cm^-1先于1 655 cm^-1
	2	Φ(1 730, 1 320)>0	Ψ(1 730, 1 320)<0	1 320 cm^-1先于1 730 cm^-1
	3	Φ(1 655, 1 555)>0	Ψ(1 655, 1 555)~0	无法判断
	4	Φ(1 610, 1 500)>0	Ψ(1 610, 1 500)>0	1 610 cm^-1先于1 500 cm^-1
	5	Φ(1 500, 1 435)>0	Ψ(1 500, 1 435)>0	1 500 cm^-1先于1 435 cm^-1
	6	Φ(1 435, 1 240)<0	Ψ(1 435, 1 240)<0	1 435 cm^-1先于1 240 cm^-1
	7	Φ(1 320, 1 240)<0	Ψ(1 320, 1 240)>0	1 240 cm^-1先于1 320 cm^-1
胶原: 1 500 cm^-1>1 240 cm^-1>1 655 cm^-1, 1 555 cm^-1>1 455 cm^-1
改性胶原: 1 610 cm^-1>1 500 cm^-1>1 435 cm^-1>1 240 cm^-1>1 320 cm^-1>1 730 cm^-1>1 655, 1 555 cm^-1

Table 3. Cross-peaks intensities and the response order of native and cross-linked collagens

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