Relationship between -dialkyl chitosan monolayer and corresponding vesicle

Lipophilic prodrug of paclitaxel: Interaction with a dimyristoylphosphatidylcholine monolayer

“…in fact, C s À1 value gives information about the compactness and packing of the film (Li et al, 2007;Gzyl-Malcher et al, 2011). Davies and Rideal (1963) gave the following ranges for different states of a monolayer: for an ideal (gaseous) monolayer the surface compressional modulus is equal to the surface pressure, for LE and LC state 12.5-250 and for solids 1000-2000 and the obtained values are in agreement with other literature data (Prince and Sears, 2012).…”

Differences in surface behaviour of galactolipoids originating from different kind of wheat tissue cultivated in vitro

“…The limiting area can be obtained by extrapolating the slope of the -A isotherm at high surface pressure to zero pressure. The point at which this line intersects the x-axis gives the hypothetical area occupied by one molecule in the condensed phase (Li et al, 2007). The limiting areas for the pure MGDG and DGDG extracted from inflorescences are 70.46 and 77.27 Å 2 /molecule, respectively.…”

Functionalization of Block Copolymer Vesicle Surfaces

“…The vesicles can thus be considered to represent primitive mimics of natural cells with their associated glycocalix, with potential applications in cell sensing, therapeutics, and synthetic biology. Hydrophilic polysaccharides can be converted to amphiphilic polymers by conjugation of hydrophobic side chains to the sugar moieties, as described, for example, by Mé ly and Babak et al [90] and Li et al [91]. In neutral water N,N-dialkyl chitosans (alkyl = octyl, decyl, and dodecyl) formed stable bilayered vesicles having hydrodynamic diameters in the range of 100-200 nm as determined by dynamic light scattering [91].…”

“…Hydrophilic polysaccharides can be converted to amphiphilic polymers by conjugation of hydrophobic side chains to the sugar moieties, as described, for example, by Mé ly and Babak et al [90] and Li et al [91]. In neutral water N,N-dialkyl chitosans (alkyl = octyl, decyl, and dodecyl) formed stable bilayered vesicles having hydrodynamic diameters in the range of 100-200 nm as determined by dynamic light scattering [91]. The size of vesicles was found to increase with the increasing molecular weight of the hydrophilic chitosan backbone and/or the increasing length of the hydrophobic alkyl side chains.…”