83. R.A.A. Muzzarelli. N-Carboxymethyl chitosan. a new chelating polyampholyte. In SCIENZA DELLE MACROMOLECOLE, pag. 399-401. Ass. Ital Macromolecole, Milano, 1981.

84. R.A.A. Muzzarelli. Solutions and gels of N-carboxymethyl chitosan. Carbohydrate Polymers, 2, 312-313 (1982).

85. R.A.A. Muzzarelli, F. Tanfani, S. Mariotti and M. Emanuelli. Preparation and characteristic properties of dithiocarbamate chitosan, a chelating polymer. Carbohydrate Research, 104, 235-243 (1982).

86. R.A.A. Muzzarelli, F. Tanfani. N-Carboxybenzyl chitosans, N-carboxymethyl chitosans and dithiocarbamate chitosans. new chelating derivatives of chitosan. Pure and Applied Chemistry, 54, 2141-2150 (1982).

87. R.A.A. Muzzarelli, F. Tanfani. N-Carboxymethyl chitosan and N-(o-carboxybenzyl) chitosan: novel chelating polyampholytes. In CHITIN AND CHITOSAN, S. Hirano and S. Tokura, eds., Jap. Soc. Chitin and Chitosan, Tottori, Japan, 1982.

89. R.A.A. Muzzarelli, F. Tanfani, M. Emanuelli and S. M Mariotti. N-Carboxybenzyl chitosans. novel chelating polyampholytes. Carbohydrate Polymers, 2, 145-157 (1982).

91. R.A.A. Muzzarelli. Advances in the chemical modification of chitin and perspectives of applications. Carbohydrate Polymers, 2, 288-289 (1982).

94. R.A.A. Muzzarelli, F. Tanfani, M. Emanuelli and S. Mariotti. N-(carboxymethylidene) chitosans and N-(carboxymethyl) chitosans: novel chelating polyampholytes obtained from chitosans glyoxylate. Carbohydrate Research, 107, 199-219 (1982).

104. R.A.A. Muzzarelli, F. Tanfani, M. Emanuelli and S. Mariotti. The characterization of N-methyl, N-ethyl, N-propyl, N-butyl and N-hexyl chitosans, novel film-forming polymers. JOURNAL OF MEMBRANE SCIENCE, 16, 295-308 (1983).

105. R.A.A. Muzzarelli, F. Tanfani, M. Emanuelli, D.C. Pace, E. Chiurazzi and M. Piani. Sulfated N-carboxymethyl chitosans: novel blood anticoagulants. CARBOHYDRATE RESEARCH, 126, 225-231 (1984).

106. R.A.A. Muzzarelli. Heparin-like substances and blood-compatible polymers obtained from chitin and chitosan. In POLYMERS IN MEDICINE, E. Chiellini and P. Giusti, eds., pag. 359-375. Plenum Press, New York, 1984.

107. R.A.A. Muzzarelli, F. Tanfani and M. Emanuelli. Chelating derivatives of chitosan obtained by reaction with ascorbic acid. Carbohydrate Polymers, 4, 137-151 (1984).

108. R.A.A. Muzzarelli, F. Tanfani and M. Emanuelli. Enhanced uptake of uranium on a new derivative of chitosan and ascorbic acid. In RECOVERY OF URANIUM FROM SEA WATER. K. Kaikan and T. Kaikan, eds., pag. 284-291, Atomic Energy Soc., Tokyo, Japan, 1984.

115. R.A.A. Muzzarelli and F. Tanfani. The N-permethylation of chitosan and the preparation of N-trimethyl chitosan iodide. Carbohydrate Polymers, , 5, 297-307 (1985).

139. R.A.A. Muzzarelli and G. Giacomelli. The blood anticoagulant activity of N-carboxymethyl chitosan trisulfate. Carbohydrate Polymers, 7, 87-97 (1987).

149. R.A.A. Muzzarelli. Carboxymethyl chitins and chitosans. Carbohydrate Polymers, 8, 1-21 (1988).

189. R.A.A. Muzzarelli. Modified chitosans carrying sulfonic acid groups. Carbohydrate Polymers, 19, 231-236 (1992).

197. R.A.A. Muzzarelli, P. Ilari, M. Tomasetti and F. Delben. N-(Carboxymethyl)chitosan, a versatile chitin derivative. Chimica Oggi 10(11) 31-35 (1993).

202. R.A.A. Muzzarelli, F. Delben, P. Ilari, M. Tomasetti. N-Carboxymethyl chitosan, a versatile chitin derivative. Agro-Food Industry High Tech., 5(1-2) 35-39 (1994).

203. R.A.A. Muzzarelli and P. Ilari. Chitosans carrying the methoxyphenyl function typical of lignin. Carbohydrate Polymers, 23 155-160 (1994).

207. R.A.A. Muzzarelli, P. Ilari and M. Tomasetti. Chitin-based poly(urea-urethane)s. Journal of Biomaterial Science, Polymer Edit., 6, 541-547 (1994).

237. R.A.A. Muzzarelli, Some modified chitosans and their niche applications. In R.A.A. Muzzarelli and M.G. Peter, eds., Chitin Handbook, p. 47-52. Atec, Grottammare, 1997. ISBN 88-86889-01-1

255. R.A.A. Muzzarelli, C. Muzzarelli, A. Cosani and M. Terbojevich. 6-Oxychitins, novel hyaluronan-like polysaccharides obtained by regioselective oxidation of chitins. Carbohydrate Polymers 39, 361-367 (1999).

263. A. Dal Pozzo, L. Vanini, M. Fagnoni, M. Guerrini, A. DeBenedittis and R.A.A. Muzzarelli. Preparation and characterization of poly(ethyleneglycol)-crosslinked reacetylated chitosans. Carbohydrate Polymers, 42, 201-206 (2000).

284. R.A.A. Muzzarelli and C. Muzzarelli. Natural and artificial chitosan-inorganic composites. Journal of Inorganic Biochemistry, 92, 89-94 (2002).

285. R.A.A. Muzzarelli, M. Terbojevich, C. Muzzarelli, and O. Francescangeli. Chitosans depolymerized with the aid of papain and stabilized as glycosylamines. Carbohydrate Polymers, 50, 69-78, (2002).

289. R.A.A. Muzzarelli and C. Muzzarelli. Natural and artificial chitosan-inorganic composites, a mini-review. In R.A.A. Muzzarelli and C. Muzzarelli, eds., Chitosan in Pharmacy and Chemistry, Pp. 233-243. Atec, Italy (2002).

290. C. Muzzarelli and R.A.A. Muzzarelli. Reactivity of Quinones towards Chitosans. Trends in Glycosciences and Glycotechnology, 14(78), 229-235 (2002).

293. Muzzarelli, R.A.A., Littarru, G.P., Muzzarelli, C. and Tosi, G. Selective reactivity of biochemically relevant quinones towards chitosans. Carbohydrate Polymers, 53, 109-115 (2003).

294. Muzzarelli C., Tosi G., Francescangeli O. and Muzzarelli R.A.A. Alkaline chitosan solutions. Carbohydrate Research, 338, 2247-2255 (2003).

297. C. Muzzarelli, V. Stanic, L. Gobbi, G. Tosi and R.A.A. Muzzarelli, Spray-drying of solutions containing chitosan together with polyuronans, and characterization of the microspheres. Carbohydrate Polymers, 57, 73-82 (2004).