Dissolution of cellulose in aqueous NaOH/urea solution: role of urea
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Almarza J, Rincon L, Bahsas A, Brito F (2009) Molecular mechanism for the denaturation of proteins by urea. Biochemistry 48(32):7608–7613
Bergenstråhle-Wohlert M, Berglund LA, Brady JW, Larsson PT, Westlund P-O, Wohlert J (2012) Concentration enrichment of urea at cellulose surfaces: results from molecular dynamics simulations and NMR spectroscopy. Cellulose 19(1):1–12
Cai J, Zhang L (2005) Rapid dissolution of cellulose in LiOH/Urea and NaOH/Urea aqueous solutions. Macromol Biosci 5(6):539–548. doi: 10.1002/mabi.200400222
Cai J, Liu YT, Zhang LN (2006) Dilute solution properties of cellulose in LiOH/urea aqueous system. J Polym Sci Polym Phys 44(21):3093–3101. doi: 10.1002/polb.20938
Cai J, Zhang LN, Chang CY, Cheng GZ, Chen XM, Chu B (2007) Hydrogen-bond-induced inclusion complex in aqueous cellulose/LiOH/urea solution at low temperature. ChemPhysChem 8(10):1572–1579. doi: 10.1002/cphc.200700229
Cai L, Liu Y, Liang H (2012) Impact of hydrogen bonding on inclusion layer of urea to cellulose: study of molecular dynamics simulation. Polymer 53(5):1124–1130
Canchi DR, Paschek D, García AE (2010) Equilibrium study of protein denaturation by urea. J Am Chem Soc 132(7):2338–2344
Collins KD, Neilson GW, Enderby JE (2007) Ions in water: characterizing the forces that control chemical processes and biological structure. Biophys Chem 128(2–3):95–104
Egal M, Budtova T, Navard P (2007) Structure of aqueous solutions of microcrystalline cellulose/sodium hydroxide below 0 degrees C and the limit of cellulose dissolution. Biomacromolecules 8(7):2282–2287. doi: 10.1021/bm0702399
Egal M, Budtova T, Navard P (2008) The dissolution of microcrystalline cellulose in sodium hydroxide-urea aqueous solutions. Cellulose 15(3):361–370. doi: 10.1007/s10570-007-9185-1
Finer E, Franks F, Tait M (1972) Nuclear magnetic resonance studies of aqueous urea solutions. J Am Chem Soc 94(13):4424–4429
Frank HS, Franks F (1968) Structural approach to the solvent power of water for hydrocarbons; urea as a structure breaker. J Chem Phys 48:4746
Frank HS, Wen WY (1957) Ion-solvent interaction. Structural aspects of ion-solvent interaction in aqueous solutions: a suggested picture of water structure. Discuss Faraday Soc 24:133–140
Glasser WG, Atalla RH, Blackwell J, Brown RM Jr, Burchard W, French AD, Klemm DO, Nishiyama Y (2012) About the structure of cellulose: debating the Lindman hypothesis. Cellulose 19(3):589–598
Han D, Yan L (2010) Preparation of all-cellulose composite by selective dissolving of cellulose surface in PEG/NaOH aqueous solution. Carbohyd Polym 79(3):614–619
Hayashi Y, Katsumoto Y, Omori S, Kishii N, Yasuda A (2007) Liquid structure of the urea-water system studied by dielectric spectroscopy. J Phys Chem B 111(5):1076–1080
Isobe N, Kimura S, Wada M, Kuga S (2012) Mechanism of cellulose gelation from aqueous alkali-urea solution. Carbohyd Polym 89(4):1298–1300
Isobe N, Noguchi K, Nishiyama Y, Kimura S, Wada M, Kuga S (2013) Role of urea in alkaline dissolution of cellulose. Cellulose 20(1):97–103
Klemm D, Heublein B, Fink HP, Bohn A (2005) Cellulose: fascinating biopolymer and sustainable raw material. Angew Chem Int Edit 44(22):3358–3393
Kresheck GC, Scheraga HA (1965) The temperature dependence of the enthalpy of formation of the amide hydrogen bond; the urea model1. J Phys Chem 69(5):1704–1706
Kunze J, Fink HP (2005) Structural changes and activation of cellulose by caustic soda solution with urea. In: Macromolecular symposia, vol 1. Wiley Online Library, pp 175–188
Lue A, Zhang L, Ruan D (2007) Inclusion complex formation of cellulose in NaOH–thiourea aqueous system at low temperature. Macromol Chem Phys 208(21):2359–2366
Masunov A, Dannenberg JJ (2000) Theoretical study of urea and thiourea. 2. Chains and ribbons. J Phys Chem B 104(4):806–810. doi: 10.1021/jp993078e
Medronho B, Romano A, Miguel MG, Stigsson L, Lindman B (2012) Rationalizing cellulose (in) solubility: reviewing basic physicochemical aspects and role of hydrophobic interactions. Cellulose 19(3):581–587
Philipp B, Heinze T, Heinze U, Wgaenknecht W (1998) Comprehensive cellulose chemistry volume I, fundamentals and analytical methods. Wiley-VCH, Weinheim
Qi HS, Yang QL, Zhang LN, Liebert T, Heinze T (2011) The dissolution of cellulose in NaOH-based aqueous system by two-step process. Cellulose 18(2):237–245. doi: 10.1007/s10570-010-9477-8
Rezus Y, Bakker H (2006) Effect of urea on the structural dynamics of water. Proc Natl Acad Sci 103(49):18417–18420
Rusa CC, Tonelli AE (2000) Separation of polymers by molecular weight through inclusion compound formation with urea and alpha-cyclodextrin hosts. Macromolecules 33(5):1813–1818. doi: 10.1021/ma991883l
Shimizu S (2011) The effect of urea on hydrophobic hydration: preferential interaction and the enthalpy of transfer. Chem Phys Lett 517(1):76–79
Stumpe MC, Grubmüller H (2008) Polar or apolar—the role of polarity for urea-induced protein denaturation. PLoS Comput Biol 4(11):e1000221
Vasanthan N, Shin ID, Tonelli AE (1996) Structure, conformation, and motions of poly (ethylene oxide) and poly (ethylene glycol) in their urea inclusion compounds. Macromolecules 29(1):263–267
Xiong B, Zhao P, Cai P, Zhang L, Hu K, Cheng G (2013) NMR spectroscopic studies on the mechanism of cellulose dissolution in alkali solutions. Cellulose 20(2):613–621
Yang QL, Qi HS, Lue A, Hu K, Cheng GZ, Zhang LN (2011) Role of sodium zincate on cellulose dissolution in NaOH/urea aqueous solution at low temperature. Carbohyd Polym 83(3):1185–1191. doi: 10.1016/j.carbpol.2010.09.020
Zhang L, Ruan D, Gao S (2002) Dissolution and regeneration of cellulose in NaOH/thiourea aqueous solution. J Polym Sci Part B Polym Phys 40(14):1521–1529