Electrolytic conductivity behaviors and solution conformations of chitosan in different acid solutions

Li, Qiaoxia; Song, Baozhen; Yang, Zhengwen; Fan, Honglei

doi:10.1016/j.carbpol.2005.09.024

Cited by 45 publications

(21 citation statements)

References 13 publications

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“…Chitosan can properly dissolve in almost dilute acidic acid solution at specific conditions such as acetic acid, citric acid, phosphoric acid, hydrochloric acid, lactic acid, malic acid, succinic acid, formic acid, etc [7] [8]. When chitosan dissolves in acid solution, it has own electro conductivity in each acid solution [9]. ISSN: 2456-4834 Available online at Journals.aijr.in…”

Section: Introductionmentioning

confidence: 99%

Spinning Process of Chitosan Fiber with Low Concentration of Formic Acid Solution and its Characteristics

Han¹,

Nwe

Win³

et al. 2016

J. Mod. Mater.

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A B S T R A C TThe preparation of chitosan fiber was approached to spin method. The wet spinning of chitosan fiber was carried out using 7% chitosan concentration, 4% aqueous formic acid as a solvent for chitosan and 6M of aqueous CaCl2.2H2O as a coagulation system. A better method for preparation of chitosan spinning solution was investigated by studying the effect of reaction time on incubation of spinning solution in open air. The shear viscosity of chitosan solution (22.63 ~ 23.09 Pa.s) was found to be stabilize the spinning of chitosan fiber in this study. The characteristics of different chitosan fibers were determined by FTIR and 1 HNMR spectroscopies, XRD diffraction, scanning electron microscopy (SEM) and mechanical properties. All the fibers were observed with high tenacity (dTex). The strength of fiber and water retention of chitosan fiber (%) was significantly increased with increasing the incubation time of spinning solution in open air.

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Section: Introductionmentioning

confidence: 99%

Spinning Process of Chitosan Fiber with Low Concentration of Formic Acid Solution and its Characteristics

Han¹,

Nwe

Win³

et al. 2016

J. Mod. Mater.

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“…Because of the said ionic interactions, chitosan, the natural polymer was completely dissolved in water in the presence of DCA and transformed to the DCACCH scaffold material. Ionic and hydrogen bonding interaction between -NH 2 group of chitosan and -COOH molecules were already in reports [18][19][20][21]. Figure 1(a) demonstrates SEM images of DCA engineered chitosan based scaffolds.…”

Section: Resultsmentioning

confidence: 87%

Engineering Chitosan Using <i>α</i>, <i>ω</i>-Dicarboxylic Acids—An Approach to Improve the Mechanical Strength and Thermal Stability

Sailakshmi¹,

Mitra²,

Chatterjee³

et al. 2013

JBNB

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The current scenario in tissue engineering research demands materials of requisite properties, viz., high porosity, mechanical stability, thermal stability, biocompatibility and biodegradability for clinical applications. However, bringing these properties in single biomaterial is a challenging task, which needs intensive research on suitable cross-linking agents. In the present study, 3D scaffold was prepared with above said properties using chitosan and oxalic (O), malonic (M), succinic (S), glutaric (G), adipic (A), pimelic (P), suberic (SU), azelaic (AZ) and sebacic (SE) acid (OMS-GAP-SAS) individually as a non covalent cross-linkers as well as the solvent for chitosan. Assessment on degree of cross-linking, mechanical strength, FT-IR analysis, morphological observation, thermal stability, binding interactions (molecular docking), in vitro biocompatibility and its efficacy as a wound dressing material were performed. Results revealed the degree of cross-linking for OMSGAP-SAS engineered chitosan were in the range between ≈55% -65% and the biomaterial demonstrated thermal stability more than 300˚C and also exhibited ≥3 -4 fold increase in mechanical strength compared to chitosan alone. The bioinformatics studies evidently proved the chemistry behind the interaction of OMSGAP-SAS with chitosan. OMSGAP-SAS played dual role to develop the chitosan biomaterial with above said properties, thus matching the requirements needed for various applications.

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“…The ionic interaction and the hydrogen bonding between -COOH group of cross-linker and -NH 2 group of natural polymers (chitosan/collagen) was already in reports [20][21][22][23] .…”

Section: Resultsmentioning

confidence: 99%

Chemistry Behind the Elastic Nature of the Biomaterial Prepared Using Oxidized Form of Glutaraldehyde and Chitosan - An Approach at 2d and 3d Level

Sailakshmi¹,

Mitra²,

Chatterjee³

et al. 2013

LSMR

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Abstract-This is the time to search an alternative cross-linker which will provide a non-toxic and mechanically stable biopolymer material. In order to achieve the requisite property, in the present study, we have chosen glutaric acid and studied its interaction with chitosan. A 3D scaffold biopolymer material prepared using chitosan and glutaric acid, displayed requisite mechanical strength and in addition found biocompatible for NIH 3T3 fibroblast cells. The interaction chemistry and the characteristics of the biopolymer material obtained upon cross-linking suggest non-covalent interactions play the major role in deciding the property of the said materials and its suitability for biomedical applications.

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Electrolytic conductivity behaviors and solution conformations of chitosan in different acid solutions

Cited by 45 publications

References 13 publications

Spinning Process of Chitosan Fiber with Low Concentration of Formic Acid Solution and its Characteristics

Spinning Process of Chitosan Fiber with Low Concentration of Formic Acid Solution and its Characteristics

Engineering Chitosan Using <i>α</i>, <i>ω</i>-Dicarboxylic Acids—An Approach to Improve the Mechanical Strength and Thermal Stability

Chemistry Behind the Elastic Nature of the Biomaterial Prepared Using Oxidized Form of Glutaraldehyde and Chitosan - An Approach at 2d and 3d Level

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Electrolytic conductivity behaviors and solution conformations of chitosan in different acid solutions

Cited by 45 publications

References 13 publications

Spinning Process of Chitosan Fiber with Low Concentration of Formic Acid Solution and its Characteristics

Spinning Process of Chitosan Fiber with Low Concentration of Formic Acid Solution and its Characteristics

Engineering Chitosan Using &lt;i&gt;α&lt;/i&gt;, &lt;i&gt;ω&lt;/i&gt;-Dicarboxylic Acids—An Approach to Improve the Mechanical Strength and Thermal Stability

Chemistry Behind the Elastic Nature of the Biomaterial Prepared Using Oxidized Form of Glutaraldehyde and Chitosan - An Approach at 2d and 3d Level

Contact Info

Product

Resources

About

Engineering Chitosan Using <i>α</i>, <i>ω</i>-Dicarboxylic Acids—An Approach to Improve the Mechanical Strength and Thermal Stability