Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Effect of Solution Parameters on Fluorescent Properties of Chitosan

키토산 고분자의 형광 특성에 미치는 용액 인자들의 영향

  • Im, Dong Su (Department of Organic Materials Engineering, Chungnam National University) ;
  • Cheon, Ja Young (Department of Organic Materials Engineering, Chungnam National University) ;
  • Park, Won Ho (Department of Organic Materials Engineering, Chungnam National University)
  • 임동수 (충남대학교 공과대학 유기재료공학과) ;
  • 천자영 (충남대학교 공과대학 유기재료공학과) ;
  • 박원호 (충남대학교 공과대학 유기재료공학과)
  • Received : 2017.07.08
  • Accepted : 2017.08.14
  • Published : 2017.08.31
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Abstract

Chitosan was prepared by deacetylation of chitin composed of an N-acetyl-D-glucosamine unit. In general, a fluorescent material contains atomic groups that exhibit a luminescent effect, and is known to fluoresce, owing to the excitation and emission processes at a low energy state. Organic compounds exhibiting such fluorescence can be applied in bio-imaging and detection. In a previous study, chitosan oligomers were reported to exhibit fluorescence in an aqueous solution, owing to their unique molecular structure properties. In this study, the effect of solution parameters on the fluorescence properties of chitosan were investigated in terms of the polymer parameters (molecular weight, degree of deacetylation, and concentration) and solvent parameter (concentration of acetic acid). The fluorescent intensity of chitosan increased at a lower molecular weight, higher degree of deacetylation, and lower acetic acid concentration.

Keywords

References

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