2011
DOI: 10.1002/masy.201100037
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Charged Poly(D,L‐lactide) Nanofibers: Towards Customized Surface Properties

Abstract: Surface‐charged nanofibers were prepared by electrospinning technique (ESP). For this purpose, a copolymer bearing carboxylic acid functions was added to a poly(D,L‐lactide) solution just before ESP process. In a basic medium, negative charges were therefore revealed on fiber surface. By deposition of positively charged particles or polyelectrolytes, surface properties of the fibers could be tailor‐made for a specific application. This versatile method can, for example, be applied to the preparation of new bio… Show more

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Cited by 3 publications
(9 citation statements)
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“…As we formerly reported for polylactide (PLA), charged fibers can be obtained by electrospinning a mixture of PLA and a polyelectrolyte precursor dissolved in a common solvent. In the present work, PCL, another aliphatic polyester which degrades more slowly than PLA, was electrospun in presence of a poly(methyl methacrylate 48 ‐ b ‐methacrylic acid 25 ) diblock copolymer from an organic solvent mixture until a manipulable homogeneous fiber mat was obtained (i.e., 30 min).…”
Section: Resultsmentioning
confidence: 99%
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“…As we formerly reported for polylactide (PLA), charged fibers can be obtained by electrospinning a mixture of PLA and a polyelectrolyte precursor dissolved in a common solvent. In the present work, PCL, another aliphatic polyester which degrades more slowly than PLA, was electrospun in presence of a poly(methyl methacrylate 48 ‐ b ‐methacrylic acid 25 ) diblock copolymer from an organic solvent mixture until a manipulable homogeneous fiber mat was obtained (i.e., 30 min).…”
Section: Resultsmentioning
confidence: 99%
“…It has notably proved to stimulate cell proliferation and favor histoarchitectural tissue organization . Nevertheless, the electrospinning of chitosan is challenging, notably as it requires high voltages and needs the addition of poly(ethylene oxide), as chitosan can hardly be electrospun alone . Moreover, chitosan possesses low mechanical resistance (low elongation at break), particularly in hydrated state, such as wound exudates or cell culture media, and usually requires further cross‐linking steps to keep a handable biomaterial.…”
Section: Introductionmentioning
confidence: 99%
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“…29 The preparation of these particles, using the co-precipitation method, is described hereafter: ferric chloride (3.2 Â 10 À2 mol) and ferrous chloride (1.6 Â 10 À2 mol) were dissolved under stirring into 25 mL of hydrochloric acid (HCl, 2 mol L À1 ), and heated at 90 1C. 29 The preparation of these particles, using the co-precipitation method, is described hereafter: ferric chloride (3.2 Â 10 À2 mol) and ferrous chloride (1.6 Â 10 À2 mol) were dissolved under stirring into 25 mL of hydrochloric acid (HCl, 2 mol L À1 ), and heated at 90 1C.…”
Section: Detection Of the Negative Charges On Pcl Blended Fiber Surfacementioning
confidence: 99%