Nano-pore silicon membrane characterization by diffusion and electrical resistance

被引:14
作者
Carbonaro, A
Walczak, R
Calderale, PM
Ferrari, M
机构
[1] Politecn Torino, Dept Mech Engn, I-10129 Turin, Italy
[2] iMEDD Inc, Columbus, OH 43212 USA
[3] Ohio State Univ, Biomed Engn Ctr, Columbus, OH 43210 USA
关键词
silicon membrane; quality control (QC); glucose diffusion; electrical conductance; membrane pore area;
D O I
10.1016/j.memsci.2004.04.039
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
An inexpensive, non destructive and rapid quality control (QC) procedure for nano-pore silicon membranes is presented. Membranes with different pore sizes were characterized in terms of glucose diffusion and by electrical resistance measurements. Electrical resistance results versus membrane pore size allowed to trace a reference curve to be used to verify the machining process. Diffusion was plotted versus conductance data. An experimental linear relationship was determined, which allows to predict the membrane diffusion properties without running destructive diffusion tests. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:249 / 255
页数:7
相关论文
共 10 条
[1]   Silicon membrane nanofilters from sacrificial oxide removal [J].
Chu, WH ;
Chin, R ;
Huen, T ;
Ferrari, M .
JOURNAL OF MICROELECTROMECHANICAL SYSTEMS, 1999, 8 (01) :34-42
[2]   Nanoporous anti-fouling silicon membranes for biosensor applications [J].
Desai, TA ;
Hansford, DJ ;
Leoni, L ;
Essenpreis, M ;
Ferrari, M .
BIOSENSORS & BIOELECTRONICS, 2000, 15 (9-10) :453-462
[3]   Characterization of micromachined silicon membranes for immunoisolation and bioseparation applications [J].
Desai, TA ;
Hansford, D ;
Ferrari, M .
JOURNAL OF MEMBRANE SCIENCE, 1999, 159 (1-2) :221-231
[4]   Nanopore Technology for Biomedical Applications [J].
Desai, Tejal A. ;
Hansford, Derek J. ;
Kulinsky, Lawrence ;
Nashat, Amir H. ;
Rasi, Guido ;
Tu, Jay ;
Wang, Yuchun ;
Zhang, Miqin ;
Ferrari, Mauro .
BIOMEDICAL MICRODEVICES, 1999, 2 (01) :11-40
[5]   Evaluation of three methods for the characterisation of the membrane-solution interface: streaming potential, membrane potential and electrolyte conductivity inside pores [J].
Fievet, P ;
Szymczyk, A ;
Aoubiza, B ;
Pagetti, J .
JOURNAL OF MEMBRANE SCIENCE, 2000, 168 (1-2) :87-100
[6]  
Kesting R.E., 1985, SYNTHETIC POLYM MEMB, V2nd
[7]  
MULDER M, 1991, BASIC PRINCIPLES MEM, P110
[8]   Electrokinetic phenomena in homogeneous cylindrical pores [J].
Szymczyk, A ;
Aoubiza, B ;
Fievet, P ;
Pagetti, J .
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1999, 216 (02) :285-296
[9]   An application of the space charge model to the electrolyte conductivity inside a charged microporous membrane [J].
Szymczyk, A ;
Fievet, P ;
Aoubiza, B ;
Simon, C ;
Pagetti, J .
JOURNAL OF MEMBRANE SCIENCE, 1999, 161 (1-2) :275-285
[10]  
Tuwiner S. B., 1962, DIFFUSION MEMBRANE T