Phospholipid nonwoven electrospun membranes.
Nonwoven fibrous membranes were formed from electrospinning lecithin solutions in a single processing step. As the concentration of lecithin increased, the micellar morphology evolved from spherical to cylindrical, and at higher concentrations the cylindrical micelles overlapped and entangled in a fashion similar to polymers in semi-dilute or concentrated solutions. At concentrations above the onset of entanglements of the wormlike micelles, electrospun fibers were fabricated with diameters on the order of 1 to 5 micrometers. The electrospun phospholipid fibers offer the potential for direct fabrication of biologically based, high-surface-area membranes without the use of multiple synthetic steps, complicated electrospinning designs, or postprocessing surface treatments.
McKee
Matthew G
MG
Department of Chemistry, Macromolecules and Interfaces Institute (MII), Virginia Tech, Blacksburg, VA 24061, USA.
Layman
John M
JM
Cashion
Matthew P
MP
Long
Timothy E
TE
D055598:Chemical Phenomena; D002627:Chemistry, Physical; D006860:Hydrogen Bonding; D008567:Membranes, Artificial; D008823:Micelles; D010713:Phosphatidylcholines / Q000737:chemistry*; D011108:Polymers; D012996:Solutions; D055672:Static Electricity
D008567:Membranes, Artificial; D008823:Micelles; D010713:Phosphatidylcholines; D011108:Polymers; D012996:Solutions