A membrane-integrated microfluidic device to study permeation of nanoparticles through straight micropores toward rational design of nanomedicines

Naoki Sasaki, Mariko Tatanou, Tomoko Suzuki, Yasutaka Anraku, Akihiro Kishimura, Kazunori Kataoka, Kae Sato

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Nanoparticles have been widely utilized to deliver drugs from blood vessels to target tissues. A crucial issue concerning nanoparticle-based drug delivery is to discuss the relationship between experimentally-obtained permeability and physical parameters. Although nanoparticles can permeate vascular pores, because the size and shape of the pores are essentially non-uniform, conventional animal testing and recent cell-based microfluidic devices are unable to precisely evaluate the effects of physical parameters (e.g. pore size and nanoparticle size) on permeation. In this study, we present a membraneintegrated microfluidic device to study permeation of nanoparticles through straight micropores. Porous membranes possessing uniform straight pores were utilized. The effects of pore size and pressure difference across the pores on nanoparticle permeation were examined. The experimentally determined permeability coefficient of 1.0 μm-pore membrane against 100 nm-diameter nanoparticles agreed well with the theoretical value obtained for convectional permeation. Our method can be utilized to clarify the relationship between the experimentally-obtained permeability and physical parameters, and will help rational design of nanomedicines.

Original languageEnglish
Pages (from-to)1307-1314
Number of pages8
Journalanalytical sciences
Volume32
Issue number12
DOIs
Publication statusPublished - Jan 1 2016

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Medical nanotechnology
Microfluidics
Permeation
Nanoparticles
Membranes
Pore size
Pore pressure
Hydraulic conductivity
Blood vessels
Drug delivery
Animals
Tissue
Testing
Pharmaceutical Preparations

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry

Cite this

A membrane-integrated microfluidic device to study permeation of nanoparticles through straight micropores toward rational design of nanomedicines. / Sasaki, Naoki; Tatanou, Mariko; Suzuki, Tomoko; Anraku, Yasutaka; Kishimura, Akihiro; Kataoka, Kazunori; Sato, Kae.

In: analytical sciences, Vol. 32, No. 12, 01.01.2016, p. 1307-1314.

Research output: Contribution to journalArticle

Sasaki, Naoki ; Tatanou, Mariko ; Suzuki, Tomoko ; Anraku, Yasutaka ; Kishimura, Akihiro ; Kataoka, Kazunori ; Sato, Kae. / A membrane-integrated microfluidic device to study permeation of nanoparticles through straight micropores toward rational design of nanomedicines. In: analytical sciences. 2016 ; Vol. 32, No. 12. pp. 1307-1314.
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