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8 May 2006

Volume 88, Issue 19, Articles (19xxxx)

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Appl. Phys. Lett. 88, 193113 (2006); http://dx.doi.org/10.1063/1.2202003 (3 pages)

Fa-Quan He and Ya-Pu Zhao
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Reinforcement of polymeric nanofibers by ferritin nanoparticles

Min Kyoon Shin, Sun I. Kim, Seon Jeong Kim, Sung-Kyoung Kim, and Haiwon Lee

Appl. Phys. Lett. 88, 193901 (2006); http://dx.doi.org/10.1063/1.2200469 (3 pages) | Cited 12 times

Online Publication Date: 8 May 2006

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Poly(vinyl alcohol) (PVA) nanofibers containing bimolecular ferritin nanoparticles exhibited the enhancement of elastic modulus as compared to pure PVA nanofibers due to chemical interactions between the ferritin and the PVA matrix. The elastic modulus of the nanofibers was measured using a three-point bending test employing an atomic force microscope (AFM). To improve the reliability of the AFM measurements, uniform nanofibers were oriented linearly on an AFM calibration grating by introducing parallel subelectrodes in an electrospinning system. The length to diameter ratio of the measured nanofibers was >16. The PVA nanofibers reinforced by ferritin are applicable as artificial muscles and actuators.
Show PACS
87.85.J- Biomaterials
87.85.Qr Nanotechnologies-design
87.85.Rs Nanotechnologies-applications
87.14.E- Proteins
62.25.-g Mechanical properties of nanoscale systems
81.40.Jj Elasticity and anelasticity, stress-strain relations
62.20.D- Elasticity
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