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Volumn 86, Issue 2, 2008, Pages 558-568

Selection of a practical assay for the determination of the entire range of acetyl content in chitin and chitosan: UV spectrophotometry with phosphoric acid as solvent

Author keywords

Acetyl content; Chitin chitosan; DSC; Phosphoric acid; XRD

Indexed keywords

AMINES; BIOLOGICAL MATERIALS; FOURIER TRANSFORM INFRARED SPECTROSCOPY; PELLETIZING; PHOSPHORIC ACID;

EID: 47949093617     PISSN: 15524973     EISSN: 15524981     Source Type: Journal    
DOI: 10.1002/jbm.b.31056     Document Type: Article
Times cited : (16)

References (84)
  • 2
    • 0030309474 scopus 로고    scopus 로고
    • Chitin biotechnology applications
    • Hirano S. Chitin biotechnology applications. Biotechnol Annu Rev 1996;2:237-258.
    • (1996) Biotechnol Annu Rev , vol.2 , pp. 237-258
    • Hirano, S.1
  • 3
    • 0037409924 scopus 로고    scopus 로고
    • Implantable applications of chitin and chitosan
    • Khor E, Lim LY. Implantable applications of chitin and chitosan. Biomaterials 2003;24:2339-2349.
    • (2003) Biomaterials , vol.24 , pp. 2339-2349
    • Khor, E.1    Lim, L.Y.2
  • 5
    • 16244400529 scopus 로고    scopus 로고
    • Contribution of chitosan and its derivatives to cancer chemotherapy
    • Kato Y, Onishi H, Machida Y. Contribution of chitosan and its derivatives to cancer chemotherapy. In Vivo 2005;19:301-310.
    • (2005) In Vivo , vol.19 , pp. 301-310
    • Kato, Y.1    Onishi, H.2    Machida, Y.3
  • 6
    • 3342994427 scopus 로고    scopus 로고
    • Transdermal delivery controlled by a chitosan membrane
    • Thein-Han WW, Stevens WF. Transdermal delivery controlled by a chitosan membrane. Drug Dev Ind Pharm 2004;30:397-404.
    • (2004) Drug Dev Ind Pharm , vol.30 , pp. 397-404
    • Thein-Han, W.W.1    Stevens, W.F.2
  • 7
    • 12344332637 scopus 로고    scopus 로고
    • Chitosan-alginate multilayer beads for controlled release of ampicillin
    • Anal AK, Stevens WF. Chitosan-alginate multilayer beads for controlled release of ampicillin. Int J Pharm 2005;290:45-54.
    • (2005) Int J Pharm , vol.290 , pp. 45-54
    • Anal, A.K.1    Stevens, W.F.2
  • 8
    • 0032958073 scopus 로고    scopus 로고
    • Oral gene delivery with chitosan-DNA nanoparticles generates immunologic protection in a murine model of peanut allergy
    • Roy K, Mao HQ, Huang SK, Leong KW. Oral gene delivery with chitosan-DNA nanoparticles generates immunologic protection in a murine model of peanut allergy. Nat Med 1999;5:387-391.
    • (1999) Nat Med , vol.5 , pp. 387-391
    • Roy, K.1    Mao, H.Q.2    Huang, S.K.3    Leong, K.W.4
  • 9
    • 0242322948 scopus 로고    scopus 로고
    • Relationship between the physical shape and the efficiency of oligomeric chitosan as a gene delivery system in vitro and in vivo
    • Koping-Hoggard M, Mel'nikova YS, Vårum KM, Lindman B, Artursson P. Relationship between the physical shape and the efficiency of oligomeric chitosan as a gene delivery system in vitro and in vivo. J Gene Med 2003;5:130-141.
    • (2003) J Gene Med , vol.5 , pp. 130-141
    • Koping-Hoggard, M.1    Mel'nikova, Y.S.2    Vårum, K.M.3    Lindman, B.4    Artursson, P.5
  • 12
    • 13944281688 scopus 로고    scopus 로고
    • Cytotoxic activities of chitosan nanoparticles and copper-loaded nanoparticles
    • Qi L, Xu Z, Jiang X, Li Y, Wang M. Cytotoxic activities of chitosan nanoparticles and copper-loaded nanoparticles. Bioorg Med Chem Lett 2005;15:1397-1399.
    • (2005) Bioorg Med Chem Lett , vol.15 , pp. 1397-1399
    • Qi, L.1    Xu, Z.2    Jiang, X.3    Li, Y.4    Wang, M.5
  • 13
    • 0034756948 scopus 로고    scopus 로고
    • Antitumour activity and adverse reactions of combined treatment with chitosan and doxorubicin in tumour-bearing mice
    • Kimura Y, Sawai N, Okuda H. Antitumour activity and adverse reactions of combined treatment with chitosan and doxorubicin in tumour-bearing mice. J Pharm Pharmacol 2001;53:1373-1378.
    • (2001) J Pharm Pharmacol , vol.53 , pp. 1373-1378
    • Kimura, Y.1    Sawai, N.2    Okuda, H.3
  • 14
    • 13544269349 scopus 로고    scopus 로고
    • Depolymerized products of chitosan as potent inhibitors of tumor-induced angiogenesis
    • Harish Prashanth KV, Tharanathan RN. Depolymerized products of chitosan as potent inhibitors of tumor-induced angiogenesis. Biochim Biophys Acta 2005;1722:22-29.
    • (2005) Biochim Biophys Acta , vol.1722 , pp. 22-29
    • Harish Prashanth, K.V.1    Tharanathan, R.N.2
  • 15
    • 0025341039 scopus 로고
    • Inhibition by sulfated chitin derivatives of invasion through extracellular matrix and enzymatic degradation by metastatic melanoma cells
    • Saiki I, Murata J, Nakajima M, Tokura S, Azuma I. Inhibition by sulfated chitin derivatives of invasion through extracellular matrix and enzymatic degradation by metastatic melanoma cells. Cancer Res 1990;50:3631-3637.
    • (1990) Cancer Res , vol.50 , pp. 3631-3637
    • Saiki, I.1    Murata, J.2    Nakajima, M.3    Tokura, S.4    Azuma, I.5
  • 17
    • 47949083279 scopus 로고    scopus 로고
    • Chitin Handbook
    • Muzzarelli RAA, Peter MG, editors, Atec;
    • Muzzarelli RAA, Peter MG, editors. Chitin Handbook. Grottammare: Atec; 1997.
    • (1997) Grottammare
  • 18
  • 19
    • 0037979489 scopus 로고    scopus 로고
    • A systematic approach to quality assessment system of chitosan
    • Uragami T, Kurita K and Fukamizo T, editors, Tokyo: Kodansha;
    • Hein S, Ng CH, Chandrkrachang S, Stevens WF. A systematic approach to quality assessment system of chitosan. In: Uragami T, Kurita K and Fukamizo T, editors. Chitin and Chitosan in Life Science. Tokyo: Kodansha; 2000. pp 332-335.
    • (2000) Chitin and Chitosan in Life Science , pp. 332-335
    • Hein, S.1    Ng, C.H.2    Chandrkrachang, S.3    Stevens, W.F.4
  • 20
    • 47949094955 scopus 로고    scopus 로고
    • Hein S, Ng CH, Stevens WF. Development of analytical protocols for quality assessment of chitin and chitosan: Protein content, crystallinity and assay of insolubles. In: Boucher I, Jamieson K, Retnakaran A, editors. Advances in Chitin Science, 7. Montreal: ISM Biopolymer; 2004. pp 13-18.
    • Hein S, Ng CH, Stevens WF. Development of analytical protocols for quality assessment of chitin and chitosan: Protein content, crystallinity and assay of insolubles. In: Boucher I, Jamieson K, Retnakaran A, editors. Advances in Chitin Science, Vol. 7. Montreal: ISM Biopolymer; 2004. pp 13-18.
  • 21
    • 0000583439 scopus 로고
    • Method of colloid titration (a new titration between polymer ions)
    • Terayama H. Method of colloid titration (a new titration between polymer ions). J Polym Sci 1952;8:243-253.
    • (1952) J Polym Sci , vol.8 , pp. 243-253
    • Terayama, H.1
  • 22
    • 0001731432 scopus 로고
    • Chitosan: A natural polymer not well known by the industry
    • Broussignac P. Chitosan: A natural polymer not well known by the industry. Chim Ind Genie Chim 1968;99:1241-1247.
    • (1968) Chim Ind Genie Chim , vol.99 , pp. 1241-1247
    • Broussignac, P.1
  • 23
    • 47949119318 scopus 로고    scopus 로고
    • Hayes ER, Davies DH. Characterization of chitosan. II. The determination of degree of acetylation of chitosan and chitin. In: Pariser ER, Muzzarelli RAA, editors. Proceedings of 1st International Conference on Chitin/Chitosan. MIT Sea Grant Report MITSG 78-7; 1978. pp 406-420.
    • Hayes ER, Davies DH. Characterization of chitosan. II. The determination of degree of acetylation of chitosan and chitin. In: Pariser ER, Muzzarelli RAA, editors. Proceedings of 1st International Conference on Chitin/Chitosan. MIT Sea Grant Report MITSG 78-7; 1978. pp 406-420.
  • 24
    • 47949129952 scopus 로고    scopus 로고
    • Rutherford FA, Austin PR. Marine chitin properties and solvents. Pariser ER, Muzzarelli RAA, editors. Proceedings of 1st International Conference on Chitin/Chitosan. MIT Sea Grant Report MITSG 78-7; 1978. pp 182-192.
    • Rutherford FA, Austin PR. Marine chitin properties and solvents. Pariser ER, Muzzarelli RAA, editors. Proceedings of 1st International Conference on Chitin/Chitosan. MIT Sea Grant Report MITSG 78-7; 1978. pp 182-192.
  • 25
    • 0000211816 scopus 로고
    • Studies on chitosan-induced metachromasy, Part 1: Metachromatic behaviour of sodium 2′-hydroxy-1,1′-azo-naphthalene- 4-sulfonate in the presence of chitosan
    • Gummow BD, Roberts GAF. Studies on chitosan-induced metachromasy, Part 1: Metachromatic behaviour of sodium 2′-hydroxy-1,1′-azo-naphthalene- 4-sulfonate in the presence of chitosan. Makromol Chem 1985;186:1239-1244.
    • (1985) Makromol Chem , vol.186 , pp. 1239-1244
    • Gummow, B.D.1    Roberts, G.A.F.2
  • 26
    • 0000704968 scopus 로고
    • Evaluation of infrared spectroscopic techniques for analyzing chitosan
    • Domszy JG, Roberts GAF. Evaluation of infrared spectroscopic techniques for analyzing chitosan. Makromol Chem 1985;186:1671-1677.
    • (1985) Makromol Chem , vol.186 , pp. 1671-1677
    • Domszy, J.G.1    Roberts, G.A.F.2
  • 27
    • 0027641375 scopus 로고
    • Degree of deacetylation of chitosan using conductometric titration and solid-state NMR
    • Raymond L, Morin FG, Marchessault RH. Degree of deacetylation of chitosan using conductometric titration and solid-state NMR. Carbohydr Res 1993;246:331-336.
    • (1993) Carbohydr Res , vol.246 , pp. 331-336
    • Raymond, L.1    Morin, F.G.2    Marchessault, R.H.3
  • 28
    • 0242334608 scopus 로고    scopus 로고
    • A new linear potentiometric titration method for the determination of deacetylation degree of chitosan
    • Jiang X, Chen L, Zhong W. A new linear potentiometric titration method for the determination of deacetylation degree of chitosan. Carbohydr Polym 2003;54:457-463.
    • (2003) Carbohydr Polym , vol.54 , pp. 457-463
    • Jiang, X.1    Chen, L.2    Zhong, W.3
  • 29
    • 46549101029 scopus 로고
    • Determination of the degree of acetylation of chitosans by first derivative ultraviolet spectrophotometry
    • Muzzarelli RAA, Rocchetti R. Determination of the degree of acetylation of chitosans by first derivative ultraviolet spectrophotometry. Carbohydr Polym 1985;5:461-472.
    • (1985) Carbohydr Polym , vol.5 , pp. 461-472
    • Muzzarelli, R.A.A.1    Rocchetti, R.2
  • 30
    • 0000702824 scopus 로고
    • Studies on chitosan, Part 1: Determination of the degree of N-acetylation of chitosan by ultraviolet spectrophotometry and gel permeation chromatography
    • Aiba S. Studies on chitosan, Part 1: Determination of the degree of N-acetylation of chitosan by ultraviolet spectrophotometry and gel permeation chromatography. Int J Biol Macromol 1986;8:173-176.
    • (1986) Int J Biol Macromol , vol.8 , pp. 173-176
    • Aiba, S.1
  • 31
    • 85024452048 scopus 로고
    • Measurement of degree of deacetylation in D-glucosamine oligosaccharides by UV absorption
    • Muraki E, Yaku F, Iyoda J, Kojima H. Measurement of degree of deacetylation in D-glucosamine oligosaccharides by UV absorption. Biosci Biotech Biochem 1993;57:1929-1930.
    • (1993) Biosci Biotech Biochem , vol.57 , pp. 1929-1930
    • Muraki, E.1    Yaku, F.2    Iyoda, J.3    Kojima, H.4
  • 32
    • 0032006591 scopus 로고    scopus 로고
    • The degree of deacetylation of chitosan: Advocating the first derivative UV spectrophotometry method of determination
    • Tan SC, Khor E, Tan TK, Wong SM. The degree of deacetylation of chitosan: Advocating the first derivative UV spectrophotometry method of determination. Talanta 1998;45:713-719.
    • (1998) Talanta , vol.45 , pp. 713-719
    • Tan, S.C.1    Khor, E.2    Tan, T.K.3    Wong, S.M.4
  • 33
    • 0142246137 scopus 로고    scopus 로고
    • Pedroni VI, Gschaider ME, Schulz PC. UV Spectrophotometry: Improvements in the study of the degree of acetylation of chitosan. Macromol Biosci 2003;3:531-534.
    • Pedroni VI, Gschaider ME, Schulz PC. UV Spectrophotometry: Improvements in the study of the degree of acetylation of chitosan. Macromol Biosci 2003;3:531-534.
  • 34
    • 33645156710 scopus 로고    scopus 로고
    • Determination of the degree of acetylation of chitosan by UV spectrophotometry using dual standards
    • Liu D, Wei Y, Yao P, Jiang L. Determination of the degree of acetylation of chitosan by UV spectrophotometry using dual standards. Carbohydr Res 2006;341:782-785.
    • (2006) Carbohydr Res , vol.341 , pp. 782-785
    • Liu, D.1    Wei, Y.2    Yao, P.3    Jiang, L.4
  • 35
    • 45949127500 scopus 로고
    • Determination of N-acetyl content in chitosan samples by c.d. measurements
    • Domard A. Determination of N-acetyl content in chitosan samples by c.d. measurements. Int J Biol Macromol 1987;9:333-336.
    • (1987) Int J Biol Macromol , vol.9 , pp. 333-336
    • Domard, A.1
  • 36
    • 47949123239 scopus 로고    scopus 로고
    • Determination of the degree of acetylation of chitin/chitosan using IR spectroscopy
    • Stevens WF, Rao MS, Chandrkrachang S, editors, Bangkok: Asian Institute of Technology;
    • Ferreira MC, Marvão MR, Duarte ML. Determination of the degree of acetylation of chitin/chitosan using IR spectroscopy. In: Stevens WF, Rao MS, Chandrkrachang S, editors. The Proceedings of the Second Asia Pacific Symposium: Chitin and Chitosan. Bangkok: Asian Institute of Technology; 1996. p 107.
    • (1996) The Proceedings of the Second Asia Pacific Symposium: Chitin and Chitosan , pp. 107
    • Ferreira, M.C.1    Marvão, M.R.2    Duarte, M.L.3
  • 37
    • 0026413044 scopus 로고    scopus 로고
    • Vårum KM, Anthonsen MW, Grasdalen H, Smidsrød O. Determination of the degree of N-acetylation and the distribution of N-acetyl groups in partially N-deacetylated chitins (chitosans) by high-field n.m.r. spectroscopy. Carbohydr Res 1991;211:17-23.
    • Vårum KM, Anthonsen MW, Grasdalen H, Smidsrød O. Determination of the degree of N-acetylation and the distribution of N-acetyl groups in partially N-deacetylated chitins (chitosans) by high-field n.m.r. spectroscopy. Carbohydr Res 1991;211:17-23.
  • 42
    • 0025982115 scopus 로고
    • Enzymatic method for determination of the degree of deacetylation of chitosan
    • Nanjo F, Katsumi R, Sakai K. Enzymatic method for determination of the degree of deacetylation of chitosan. Anal Biochem 1991;193:164-167.
    • (1991) Anal Biochem , vol.193 , pp. 164-167
    • Nanjo, F.1    Katsumi, R.2    Sakai, K.3
  • 43
    • 0000242256 scopus 로고
    • Studies on the adsorption of anionic dyes on chitosan
    • Maghami GG, Roberts GAF. Studies on the adsorption of anionic dyes on chitosan. Makromol Chem 1988;189:2239-2243.
    • (1988) Makromol Chem , vol.189 , pp. 2239-2243
    • Maghami, G.G.1    Roberts, G.A.F.2
  • 45
    • 0000052476 scopus 로고
    • Determination of the degree of N-acetylation of chitin-chitosan with picric acid
    • Neugebauer WA, Neugebauer E, Brzezinski R. Determination of the degree of N-acetylation of chitin-chitosan with picric acid. Carbohydr Res 1989;189:363-367.
    • (1989) Carbohydr Res , vol.189 , pp. 363-367
    • Neugebauer, W.A.1    Neugebauer, E.2    Brzezinski, R.3
  • 46
    • 0040316758 scopus 로고    scopus 로고
    • Quantitative determination of chitosans by ninhydrin
    • Prochazkova S, Vårum KM, Ostgaard K. Quantitative determination of chitosans by ninhydrin. Carbohydr Polym 1999;38:115-122.
    • (1999) Carbohydr Polym , vol.38 , pp. 115-122
    • Prochazkova, S.1    Vårum, K.M.2    Ostgaard, K.3
  • 48
    • 0013468336 scopus 로고
    • New method of chitin determination based on deacetylation and gas-liquid chromatographic assay of liberated acetic acid
    • Holan I, Votruba J, Vlasakova VJ. New method of chitin determination based on deacetylation and gas-liquid chromatographic assay of liberated acetic acid. J Chromatogr 1980;190:67-76.
    • (1980) J Chromatogr , vol.190 , pp. 67-76
    • Holan, I.1    Votruba, J.2    Vlasakova, V.J.3
  • 49
    • 0026030611 scopus 로고
    • Direct determination of acetic acid in strongly acidic hydrolysates of chitin and chitin-containing biological products by capillary gas chromatography
    • Stoev G, Velichkov A. Direct determination of acetic acid in strongly acidic hydrolysates of chitin and chitin-containing biological products by capillary gas chromatography. J Chromatogr 1991;538:431-434.
    • (1991) J Chromatogr , vol.538 , pp. 431-434
    • Stoev, G.1    Velichkov, A.2
  • 50
    • 0027558781 scopus 로고
    • Determination of the degree of N-deacetylation in chitin and chitosan as well as their monomer sugar ratios by near infrared spectroscopy
    • Rathke TD, Hudson SM. Determination of the degree of N-deacetylation in chitin and chitosan as well as their monomer sugar ratios by near infrared spectroscopy. J Polym Sci Part A: Polym Chem 1993;31:749-753.
    • (1993) J Polym Sci Part A: Polym Chem , vol.31 , pp. 749-753
    • Rathke, T.D.1    Hudson, S.M.2
  • 51
    • 0029407831 scopus 로고
    • Chracterization of partially N-acetylated chitosans by near infra-red spectroscopy
    • Vårum KM, Egelandsdal B, Ellekjær MR. Chracterization of partially N-acetylated chitosans by near infra-red spectroscopy. Carbohydr Polym 1995;28:187-193.
    • (1995) Carbohydr Polym , vol.28 , pp. 187-193
    • Vårum, K.M.1    Egelandsdal, B.2    Ellekjær, M.R.3
  • 52
    • 30244461026 scopus 로고
    • Characterization of chitosan by pyrolysis-mass spectrometry
    • Mattai J, Hayes ER. Characterization of chitosan by pyrolysis-mass spectrometry. J Anal Appl Pyrolysis 1982;3:327-334.
    • (1982) J Anal Appl Pyrolysis , vol.3 , pp. 327-334
    • Mattai, J.1    Hayes, E.R.2
  • 53
    • 0021439211 scopus 로고
    • Determination of the amine content of chitosan by pyrolysis-gas chromatography
    • Lal GS, Hayes ER. Determination of the amine content of chitosan by pyrolysis-gas chromatography. J Anal Appl Pyrolysis 1984;6:183-193.
    • (1984) J Anal Appl Pyrolysis , vol.6 , pp. 183-193
    • Lal, G.S.1    Hayes, E.R.2
  • 57
    • 0036680866 scopus 로고    scopus 로고
    • Characterization of chitin, chitosan and their carboxymethyl derivatives by differential scanning calorimetry
    • Kittur FS, Prashanth H, Sankar KVH, Tharanathan RN. Characterization of chitin, chitosan and their carboxymethyl derivatives by differential scanning calorimetry. Carbohydr Polym 2002;49:185-193.
    • (2002) Carbohydr Polym , vol.49 , pp. 185-193
    • Kittur, F.S.1    Prashanth, H.2    Sankar, K.V.H.3    Tharanathan, R.N.4
  • 58
    • 22044436111 scopus 로고    scopus 로고
    • Determination of the degree of deacetylation of chitin and chitosan by X-ray powder diffraction
    • Zhang Y, Xue C, Xue Y, Gao R, Zhang X. Determination of the degree of deacetylation of chitin and chitosan by X-ray powder diffraction. Carbohydr Res 2005;11:1914-1917.
    • (2005) Carbohydr Res , vol.11 , pp. 1914-1917
    • Zhang, Y.1    Xue, C.2    Xue, Y.3    Gao, R.4    Zhang, X.5
  • 59
    • 49349124836 scopus 로고
    • Studies on chitin: 7. I.R. spectroscopic determination of degree of deacetylation
    • Sannan T, Kurita K, Ogura K, Iwakura Y. Studies on chitin: 7. I.R. spectroscopic determination of degree of deacetylation. Polymer 1978;19:458-459.
    • (1978) Polymer , vol.19 , pp. 458-459
    • Sannan, T.1    Kurita, K.2    Ogura, K.3    Iwakura, Y.4
  • 60
    • 0000337080 scopus 로고
    • Determination of the degree of N-acetylation of chitosan
    • Moore GK, Roberts GAF. Determination of the degree of N-acetylation of chitosan. Int J Biol Macromol 1980;2:115-116.
    • (1980) Int J Biol Macromol , vol.2 , pp. 115-116
    • Moore, G.K.1    Roberts, G.A.F.2
  • 61
    • 84914798734 scopus 로고
    • IR spectroscopic determination of CONH content in highly deacetylated chitosan
    • Miya M, Iwamoto R, Ohta K, Iwakura Y. IR spectroscopic determination of CONH content in highly deacetylated chitosan. Int J Biol Macromol 1980;2:323-324.
    • (1980) Int J Biol Macromol , vol.2 , pp. 323-324
    • Miya, M.1    Iwamoto, R.2    Ohta, K.3    Iwakura, Y.4
  • 62
    • 0026771901 scopus 로고
    • Improved method for IR determination of the degree of N-acetylation of chitosan
    • Baxter A, Dillon M, Taylor KD, Roberts GAF. Improved method for IR determination of the degree of N-acetylation of chitosan. Int J Biol Macromol 1992;14:166-169.
    • (1992) Int J Biol Macromol , vol.14 , pp. 166-169
    • Baxter, A.1    Dillon, M.2    Taylor, K.D.3    Roberts, G.A.F.4
  • 63
    • 0029875759 scopus 로고    scopus 로고
    • Evaluation of different absorbance ratios from infrared spectroscopy for analyzing the degree of deacetylation in chitin
    • Shigemasa Y, Matsuura H, Sashiwa H, Saimoto H. Evaluation of different absorbance ratios from infrared spectroscopy for analyzing the degree of deacetylation in chitin. Int J Biol Macromol 1996;18:237-242.
    • (1996) Int J Biol Macromol , vol.18 , pp. 237-242
    • Shigemasa, Y.1    Matsuura, H.2    Sashiwa, H.3    Saimoto, H.4
  • 64
    • 0002248992 scopus 로고    scopus 로고
    • Improved infrared spectroscopic method for the analysis of degree of N-acetylation of chitosan
    • Sabnis S, Block LH. Improved infrared spectroscopic method for the analysis of degree of N-acetylation of chitosan. Polym Bull 1997;39:67-71.
    • (1997) Polym Bull , vol.39 , pp. 67-71
    • Sabnis, S.1    Block, L.H.2
  • 67
    • 0037147658 scopus 로고    scopus 로고
    • An optimized method to determine the degree of acetylation of chitin and chitosan by FTIR spectroscopy
    • Duarte ML, Ferreira MC, Marvão MR, Rocha J. An optimized method to determine the degree of acetylation of chitin and chitosan by FTIR spectroscopy. Int J Biol Macromol 2002;31:1-8.
    • (2002) Int J Biol Macromol , vol.31 , pp. 1-8
    • Duarte, M.L.1    Ferreira, M.C.2    Marvão, M.R.3    Rocha, J.4
  • 69
    • 0027533389 scopus 로고
    • A rapid method for the determination of the degree of N-acetylation of chitin-chitosan samples by acid hydrolysis and HPLC
    • Niola F, Basora N, Chornet E, Vidal PF. A rapid method for the determination of the degree of N-acetylation of chitin-chitosan samples by acid hydrolysis and HPLC. Carbohydr Res 1993;238:1-9.
    • (1993) Carbohydr Res , vol.238 , pp. 1-9
    • Niola, F.1    Basora, N.2    Chornet, E.3    Vidal, P.F.4
  • 70
    • 30344473336 scopus 로고    scopus 로고
    • Evaluation of an improved acid hydrolysis-HPLC assay for the acetyl content in chitin and chitosan
    • Ng CH, Hein S, Chandrkrachang S, Stevens WF. Evaluation of an improved acid hydrolysis-HPLC assay for the acetyl content in chitin and chitosan. J Biomed Mater Res B Appl Biomater 2006;76:155-160.
    • (2006) J Biomed Mater Res B Appl Biomater , vol.76 , pp. 155-160
    • Ng, C.H.1    Hein, S.2    Chandrkrachang, S.3    Stevens, W.F.4
  • 71
    • 0038904839 scopus 로고
    • 13C cross polarization/magic angle spinning (CP/MAS) NMR spectroscopy
    • The Chemical Society of Japan
    • 13C cross polarization/magic angle spinning (CP/MAS) NMR spectroscopy. Chem Lett (The Chemical Society of Japan) 1981:1479-1482.
    • (1981) Chem Lett , pp. 1479-1482
    • Saito, H.1    Tabeta, R.2    Hirano, S.3
  • 73
    • 8744308818 scopus 로고    scopus 로고
    • Spectrophotometric determination of deacetylation degree of chitinous materials dissolved in phosphoric acid
    • Hsiao H-Y, Tsai C-C, Chen S, Hsieh B-C, Chen RLC. Spectrophotometric determination of deacetylation degree of chitinous materials dissolved in phosphoric acid. Macromol Biosci 2004;4:919-921.
    • (2004) Macromol Biosci , vol.4 , pp. 919-921
    • Hsiao, H.-Y.1    Tsai, C.-C.2    Chen, S.3    Hsieh, B.-C.4    Chen, R.L.C.5
  • 74
    • 0010362896 scopus 로고    scopus 로고
    • Production of chitin and chitosan: Refinement and sustainability of chemical and biological processing
    • Uragami T, Kurita K, Fukamizo T, editors, Tokyo: Kodansha;
    • Stevens WF. Production of chitin and chitosan: Refinement and sustainability of chemical and biological processing. In: Uragami T, Kurita K, Fukamizo T, editors. Chitin and Chitosan in Life Science. Tokyo: Kodansha; 2001. pp 293-300.
    • (2001) Chitin and Chitosan in Life Science , pp. 293-300
    • Stevens, W.F.1
  • 75
    • 0043131924 scopus 로고    scopus 로고
    • Characterization of decrystallized chitosan and its application in biosorption of textile dyes
    • Trung ST, Ng CH, Stevens WF. Characterization of decrystallized chitosan and its application in biosorption of textile dyes. Biotechnol Lett 2003;25:1185-1190.
    • (2003) Biotechnol Lett , vol.25 , pp. 1185-1190
    • Trung, S.T.1    Ng, C.H.2    Stevens, W.F.3
  • 76
    • 0001222986 scopus 로고
    • Studies on chitin, Part 4: Evidence for formation of block and random copolymers of N-acetyl-D-glucosamine and D-glucosamine by hetero- and homogeneous hydrolyses
    • Kurita K, Sannan T, Iwakura Y. Studies on chitin, Part 4: Evidence for formation of block and random copolymers of N-acetyl-D-glucosamine and D-glucosamine by hetero- and homogeneous hydrolyses. Makromol Chem 1977;178:3197-3202.
    • (1977) Makromol Chem , vol.178 , pp. 3197-3202
    • Kurita, K.1    Sannan, T.2    Iwakura, Y.3
  • 77
    • 3142575299 scopus 로고    scopus 로고
    • Physicochemical characterization of α-chitin, β-chitin and γ-chitin separated from natural resources
    • Jang M-K, Kong B-G, Jeong Y-I, Lee CH, Nah J-W. Physicochemical characterization of α-chitin, β-chitin and γ-chitin separated from natural resources. J Polym Sci Part A: Polym Chem 2004;42:3423-3432.
    • (2004) J Polym Sci Part A: Polym Chem , vol.42 , pp. 3423-3432
    • Jang, M.-K.1    Kong, B.-G.2    Jeong, Y.-I.3    Lee, C.H.4    Nah, J.-W.5
  • 78
    • 0037018306 scopus 로고    scopus 로고
    • Effect of recovery methods and conditions on the yield, solubility, molecular weight, and creep compliance of regenerated chitosan
    • Chen RH, Lui CS. Effect of recovery methods and conditions on the yield, solubility, molecular weight, and creep compliance of regenerated chitosan. J Appl Polym Sci 2002;84:193-202.
    • (2002) J Appl Polym Sci , vol.84 , pp. 193-202
    • Chen, R.H.1    Lui, C.S.2
  • 79
    • 0037324596 scopus 로고    scopus 로고
    • Influence of chitosan characteristics on polymer properties, Part 1: Crystallographic properties
    • Jaworska M, Sakurai K, Gaudon P, Guibal E. Influence of chitosan characteristics on polymer properties, Part 1: Crystallographic properties. Polym Int 2003;52:198-205.
    • (2003) Polym Int , vol.52 , pp. 198-205
    • Jaworska, M.1    Sakurai, K.2    Gaudon, P.3    Guibal, E.4
  • 80
    • 34247258419 scopus 로고    scopus 로고
    • Distribution of D-glucosamine moieties in heterogeneously deacetylated cuttlefish chitin
    • Ng C-H, Hein S, Ogawa K, Chandrkrachang S, Stevens WF. Distribution of D-glucosamine moieties in heterogeneously deacetylated cuttlefish chitin. Carbohydr Polym 2007;69:282-390.
    • (2007) Carbohydr Polym , vol.69 , pp. 282-390
    • Ng, C.-H.1    Hein, S.2    Ogawa, K.3    Chandrkrachang, S.4    Stevens, W.F.5
  • 81
    • 38849092616 scopus 로고    scopus 로고
    • The effects of ultrasonic-heating and heating only on the changes in intrinsic viscosity, degree of deacetylation and maximum melting point temperature of treated chitosan
    • Stevens WF, Rao MS, Chandrkrachang S, editors, Thailand: Asian Institute of Technology;
    • Chen RH, Shyur JS, Chang JR. The effects of ultrasonic-heating and heating only on the changes in intrinsic viscosity, degree of deacetylation and maximum melting point temperature of treated chitosan. In: Stevens WF, Rao MS, Chandrkrachang S, editors. Chitin and Chitosan: Environmental Friendly and Versatile Biomaterials. Thailand: Asian Institute of Technology; 1996. pp 90-97.
    • (1996) Chitin and Chitosan: Environmental Friendly and Versatile Biomaterials , pp. 90-97
    • Chen, R.H.1    Shyur, J.S.2    Chang, J.R.3
  • 82
    • 0242663298 scopus 로고    scopus 로고
    • Effect of degree of deacetylation of chitosan on the kinetics of ultrasonic degradation of chitosan
    • Tsaih ML, Chen RH. Effect of degree of deacetylation of chitosan on the kinetics of ultrasonic degradation of chitosan. J Appl Polym Sci 2003;90:3526-3531.
    • (2003) J Appl Polym Sci , vol.90 , pp. 3526-3531
    • Tsaih, M.L.1    Chen, R.H.2
  • 83
    • 0027309809 scopus 로고
    • Preparation of low-molecular-weight chitosan using phosphoric acid
    • Hasegawa M, Akira I, Onabe F. Preparation of low-molecular-weight chitosan using phosphoric acid. Carbohydr Polym 1993;20:279-283.
    • (1993) Carbohydr Polym , vol.20 , pp. 279-283
    • Hasegawa, M.1    Akira, I.2    Onabe, F.3
  • 84
    • 0031098555 scopus 로고    scopus 로고
    • Regenerated chitin from phosphoric acid solutions
    • Vincendon M. Regenerated chitin from phosphoric acid solutions. Carbohydr Polym 1997;32:233-237.
    • (1997) Carbohydr Polym , vol.32 , pp. 233-237
    • Vincendon, M.1


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