Controllable and switchable drug delivery of ibuprofen from temperature responsive composite nanofibers

Tran Toan; Hernandez Mariana; Patel Dhruvil; Burns Elena; Peterman Vanessa; Wu Ji

doi:10.1186/s40580-015-0047-5

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자료유형: 학술저널

저자정보: Tran Toan (Georgia Southern University) Hernandez Mariana (Georgia Southern University) Patel Dhruvil (Georgia Southern University) Burns Elena (Georgia Southern University) Peterman Vanessa (Georgia Southern University) Wu Ji (Georgia Southern University)

저널정보: 나노기술연구협의회 Nano Convergence Nano Convergence Vol.2 No.15

발행연도: 2015.8

수록면: 1 - 7 (7page)

DOI: 10.1186/s40580-015-0047-5

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Composited electrospun nanofibers made of temperature-responsive poly(N-isopropylacrylamide) (pNIPAM) and biodegradable poly (ε-caprolactone) (PCL) can be utilized for ‘on-demand’ and controlled drug release of ibuprofen without burst effect for potential pharmaceutical applications. Three types of nanofibers, PCL, pNIPAM and pNIPAM/PCL composite NFs containing ibuprofen were fabricated using electrospinning techniques. Ibuprofen release rates from PCL NFs are not affected by the temperature in the range of 22?34°C (less than 10%). In contrast, the ibuprofen release rates from pNIPAM NFs are very sensitive to the change in temperature, which is five times higher at 22°C compared to 34°C. However, there is a serious burst effect at 22°C. Compared to other two types of NFs, pNIPAM/PCL composite NFs prepared demonstrated a variable and controlled release at both room and higher temperature, due to the extra protection from the hydrophobic poly (ε-caprolactone). The rate at 22°C is 75% faster compared to that at 34°C. This kind of composite design can provide a novel approach to suppress the burst effect in drug delivery systems for potential pharmaceutical applications.

#Poly (ε-caprolactone) Poly(N-isopropylacrylamide) Nanofibers Ibuprofen Controlled release Temperature-responsive

참고문헌 (20)

참고문헌 신청

R Langer / 1998 / Nature 392:5

TM Allen / 2004 / Science 303:1818

WM Saltzman / 2002 / Nat. Rev. Drug Discov 1:177

OC Farokhzad / 2009 / ACS Nano 3:16

J Wu / 2010 / Proc Natl Acad Sci 107:11698

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