37. R.A.A. Muzzarelli and O. Tubertini. Radiation resistance of chitin and chitosan applied in chromatography of radioactive solutions. JOURNAL OF RADIOANALYTICAL CHEMISTRY, 12, 431-440 (1972).

38. R.A.A. Muzzarelli, A. Ferrero and M. Pizzoli. Light-scattering, x-ray diffraction, elemental analysis and infrared spectrometry characterization of chitosan, a chelating polymer. TALANTA, 19, 1222-1226 (1972).

45. R.A.A. Muzzarelli, A. Isolati and A. Ferrero. Chitosan membranes. ION EXCHANGE AND MEMBRANES, 1, 193-196 (1974).

51. R.A.A. Muzzarelli. Biochemical modifications of chitin, in THE INSECT INTEGUMENT, A. Hepburn, Ed., Elsevier, Amsterdam, 1976.

54. L. Lepri, P.G. Desideri and R.A.A. Muzzarelli. Chromatographic behavior of nucleic acid constituents and of phenols on chitosan thin layers. JOURNAL OF CHROMATOGRAPHY, 139, 337-342 (1977).

61. R.A.A. Muzzarelli. Chairman's address: Chitin, an important natural polymer, in PROCEEDINGS OF THE FIRST INTERNATIONAL CONFERENCE ON CHITIN/CHITOSAN, R.A.A. Muzzarelli and E.R. Pariser, eds., Massachusetts Institute of Technology Press, Cambridge, USA, 1978.

64. R.A.A. Muzzarelli, F. Tanfani, G.F. Scarpini and M.G. Muzzarelli. E.s.r. characterization of chitins and chitosans. BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 89, 706-712 (1979).

72. R.A.A. Muzzarelli, F. Tanfani, and G.F. Scarpini. Chelating, film forming and coagulating ability of the chitosan-glucan complex from Aspergillus niger industrial wastes. BIOTECHNOLOGY AND BIOENGINEERING, 22, 885-896 (1980).

73. R.A.A. Muzzarelli, F. Tanfani, G.F. Scarpini and G. Laterza. The degree of acetylation of chitins by gas chromatography and infrared spectrometry. JOURNAL OF BIOCHEMICAL AND BIOPHYSICAL METHODS, 2, 299-306 (1980).

78. R.A.A. Muzzarelli, F. Tanfani, M. Emanuelli, M.G. Muzzarelli and G. Celia. The production of chitosans of superior quality. JOURNAL OF APPLIED BIOCHEMISTRY, 3, 316-321 (1981).

79. R.A.A. Muzzarelli, F. Tanfani, M. Emanuelli, S. Mariotti and M.G. Muzzarelli. Chitin and its derivatives, some aspects of applied research. In LE SOSTANZE ORGANICHE NATURALI, Soc. It. Chim., Roma, 1981.

80. R.A.A. Muzzarelli. Characterization of chitin and chitosan of animal and fungal origins, and perspectives of applications. ITALIAN JOURNAL OF BIOCHEMISTRY, 30, 167 (1981). Società Italiana di Biochimica, Roma.

88. R.A.A. Muzzarelli, F. Tanfani. The chelating ability of chitinous materials from Aspergillus niger, Streptomyces, Mucor rouxii, Phycomyces blakesleeanus and Choanephora cucurbitarum. In CHITIN AND CHITOSAN, S. Hirano and S. Tokura, eds., Jap. Soc. Chitin and Chitosan, Tottori, Japan, 1982.

92. R.A.A. Muzzarelli. Il Secondo Congresso sulla Chitina, una risorsa rinnovabile e versatile. IL PRODOTTO CHIMICO, Dicembre 1982, pag, 21-23.

96. R.A.A. Muzzarelli, F. Tanfani and M.G. Muzzarelli. La chitina e i suoi derivati: recenti ricerche applicate. LA CHIMICA & L'INDUSTRIA, 64, 18-25 (1982).

97. R.A.A. Muzzarelli. Chitosan and its derivatives: new trends of applied research. Carbohydrate Polymers, 3, 53-75 (1983).

109. R.A.A. Muzzarelli. Industrial production and uses of chitin and its derivatives. PROC. XII INTERNATIONAL CARBOHYDRATE SYMPOSIUM, pag. 167. VONK Publ., Utrecht, 1984.

111. R.A.A. Muzzarelli. New derivatives of chitin and chitosan: properties and applications. In NEW DEVELOPMENTS IN INDUSTRIAL POLYSACCHARIDES . I.C.M. Dea and V. Crescenzi eds., pag. 207-231, Gordon & Breach, New York, 1985.

112. R.A.A. Muzzarelli. Chitin. In THE POLYSACCHARIDES, G.O. Aspinall ed., Volume 3, pag. 417-450. Academic Press, New York, 1985.

113. R.A.A. Muzzarelli. Chitin. In ENCYCLOPEDIA OF POLYMER SCIENCE AND TECHNOLOGY. J.I. Kroschwitz, ed., Volume 3, John Wiley, New York, 1985.

117. R.A.A. Muzzarelli and R. Rocchetti. The determination of the degree of acetylation of chitosan by first derivative ultraviolet spectrophotometry. Carbohydrate Polymers, 5, 461-472 (1985).

127. R.A.A. Muzzarelli and R. Rocchetti. The determination of the degree of acetylation of chitosans by spectrophotometry. In CHITIN IN NATURE AND TECHNOLOGY R.A.A. Muzzarelli, C. Jeuniaux and G.W. Gooday, eds., Pag. 385-388. Plenum Press, New York, 1986.

144. R.A.A. Muzzarelli, C. Lough and M. Emanuelli. The molecular weight of chitosan studied by laser light scattering. CARBOHYDRATE RESEARCH, 164, 433-442 (1987).

153. F. Delben, R.A.A. Muzzarelli and M. Terbojevich Thermodynamic study of the protonation and interaction with metal cations of three chitin derivatives. Carbohydrate Polymers, 11, 205-220 (1989).

154. F. Delben and R.A.A. Muzzarelli. Thermodynamic study of the interaction of N-carboxymethylchitosan with divalent metal ions. Carbohydrate Polymers, 11, 221-232 (1989).

156. R.A.A. Muzzarelli, M. Weckx, O. Filippini C. Lough Characteristic properties of N-carboxybutyl chitosan. Carbohydrate Polymers, 11, 307-320 (1989).

160. M. Proto and R.A.A. Muzzarelli. Chitina e derivati, proprietà e impieghi. RASSEGNA CHIMICA, 1989 (1) 3-8.

163. R.A.A. Muzzarelli. Chitin and chitosans, unique cationic polysaccharides. In TOWARDS A CARBOHYDRATE-BASED CHEMISTRY, CEE, Brussels, 1990, pag. 199-232. ISBN-92.826-1420-4.

166. R.A.A. Muzzarelli. Book Review: Methods in Enzymology, Vol. 161: Lignin, Pectin and Chitin. Carbohydrate Polymers, 12, 242-243 (1990).

167. R.A.A. Muzzarelli. Chitin. In CONCISE ENCYCLOPEDIA OF POLYMER SCIENCE AND TECHNOLOGY, J.I. Kroschwitz, ed., John Wiley, New York, 1990.

170. R.A.A. Muzzarelli. Research on chitin, a major project since the early times. [On the 20th anniversary of the University]. QUADERNI MARCHIGIANI DI MEDICINA, 5, 201 (1990).

185. R.A.A. Muzzarelli, P. Ilari and M. Tomasetti. Preparation and characteristic properties of 5-methyl pyrrolidinone chitosan. Carbohydrate Polymers, 20, 99-106 (1993).

204. S. Stefancich, F. Delben and R.A.A. Muzzarelli. Interaction of soluble chitosans with dyes in water. I. Optical evidence. Carbohydrate Polymers, 24, 17-24 (1994).

205. F. Delben, P. Gabrielli, R.A.A. Muzzarelli and S. Stefancich. Interaction of soluble chitosans with dyes in water. II. Thermodynamic data. Carbohydrate Polymers, 24, 25-30 (1994).

209. R.A.A. Muzzarelli, P. Ilari and M. Petrarulo. Solubility and structure of N-carboxymethyl chitosan. International Journal of Biological Macromolecules, 16, 177-180 (1994).

211. R.A.A. Muzzarelli, P. Ilari, R. Tarsi, B. Dubini and W. Xia, Chitosan from Absidia coerulea. Carbohydrate Polymers, 25, 45-50 (1994).

216. R.A.A. Muzzarelli, Chitin Chemistry, The Polymeric Materials Encyclopedia, J.C. Salamone, ed., 1996. p. 312-314. CRC Press, Inc., Boca Raton FL, USA

219. R.A.A. Muzzarelli, Chitin (Metal ion chelation and Enzyme Immobilization), The Polymeric Materials Encyclopedia, J.C. Salamone, ed., 1996. P. 295-300. CRC Press, Inc., Boca Raton FL, USA

220. M. Terbojevich, A. Cosani and R.A.A. Muzzarelli, Molecular parameters of chitosans depolymerized with the aid of papain. Carbohydrate Polymers, 29, 63-68 (1996).

233. R.A.A. Muzzarelli, C. Muzzarelli and M. Terbojevich. Chitin chemistry, upgrading a renewable resource. Carbohydrates in Europe, 19 10-17 (1997).

236. R.A.A. Muzzarelli. The determination of tiny quantities of chitin in tissues. In R.A.A. Muzzarelli and M.G. Peter, eds., Chitin Handbook, p. 15-25. Atec, Grottammare, 1997. ISBN 88-86889-01-1

238. R.A.A. Muzzarelli, R. Rocchetti, V. Stanic and M. Weckx Methods for the determination of the degree of acetylation of chitin and chitosan. In R.A.A. Muzzarelli and M.G. Peter, eds., Chitin Handbook, p 109-119. Atec, Grottammare, 1997. ISBN 88-86889-01-1

241. R.A.A. Muzzarelli and B.B. Muzzarelli Structural and functional versatility of chitins. In: Structural Diversity and Functional Versatility of Polysaccharides. S. Dumitriu ed. (1998). Marcel Dekker, New York.

249. R.A.A. Muzzarelli. The colorimetric determination of chitosan. Analytical Biochemistry, 260, 255-257 (1998).

265. R.A.A. Muzzarelli, M. Miliani, M. Cartolari, R. Tarsi, G. Tosi and C. Muzzarelli. Polyuronans obtained by regiospecific oxidation of polysaccharides from Aspergillus niger, Trichoderma reesei and Saprolegnia sp. Carbohydrate Polymers 43, 55-61 (2000).

273. R.A.A. Muzzarelli, N. Frega, M. Miliani and M. Cartolari. Interaction of chitin, chitosan, N-lauryl chitosan and N-dimethylaminopropyl chitosan with olive oil. In: Advances in Chitin Sciences. Druckhaus Schmergow, (2000), p. 275-279. ISBN 3-9806494-5-8

279. R.A.A. Muzzarelli and C. Muzzarelli. Chitin-inorganic composites in nature and in advanced technologies. In Composite Materials, D. Baptista and F. Chelli, eds., Sudura, Romania, 2001. P. 201-211.

287. R.A.A. Muzzarelli. The discovery of chitin, a > 570 Megayear old polymer. In R.A.A. Muzzarelli and C. Muzzarelli, eds., Chitosan in Pharmacy and Chemistry, Pp. 1-8. Atec, Italy (2002).

295. R.A.A. Muzzarelli. Overview on chitin. Agro-Food Industry Hi-Tech, 14(5), 30-31 (2003).

303. R.A.A. Muzzarelli and C. Muzzarelli. Chitin nanofibrils. In: Chitin and Chitosan, Opportunities and Challenges. P.M. Dutta, Ed., New Age International, New Delhi, India, 2005.

312. E. Castagnino, M.F. Ottaviani, M. Cangiotti, M. Morelli, L. Casettari, R.A.A. Muzzarelli Radical scavenging activity of 5-methylpyrrolidinone chitosan and dibutyryl chitin. Carbohydrate Polymers. 74 (3), 640-647 (2008).