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Titolo:
A micropipettor with integrated sensors
Autore:
Szita, N; Sutter, R; Dual, J; Buser, RA;
Indirizzi:
ETH Zurich, Inst Mech Syst, CH-8092 Zurich, Switzerland ETH Zurich Zurich Switzerland CH-8092 Syst, CH-8092 Zurich, Switzerland Interstate Univ Appl Sci Buchs, Inst Microsyst Technol, CH-9471 Buchs, Switzerland Interstate Univ Appl Sci Buchs Buchs Switzerland CH-9471 hs, Switzerland
Titolo Testata:
SENSORS AND ACTUATORS A-PHYSICAL
fascicolo: 1-2, volume: 89, anno: 2001,
pagine: 112 - 118
SICI:
0924-4247(20010320)89:1-2<112:AMWIS>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
SILICON MICROPUMP;
Keywords:
liquid handling; dispensing; pipetting; submicroliter; valve-less pump; actuation coupling system;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
17
Recensione:
Indirizzi per estratti:
Indirizzo: Szita, N ETH Zurich, Inst Mech Syst, Tannenstr 3, CH-8092 Zurich, Switzerland ETH Zurich Tannenstr 3 Zurich Switzerland CH-8092 h, Switzerland
Citazione:
N. Szita et al., "A micropipettor with integrated sensors", SENS ACTU-A, 89(1-2), 2001, pp. 112-118

Abstract

We describe here the design. the fabrication and the bonding as well as the measurement results of a new micropipetting device for the pipetting of biological liquids. The device has been designed for precise, accurate and fast pipetting in the micro- and submicroliter range. It contains a precision pipetting head with two integrated sensors realised in silicon bulk micromachining to ensure precision and accuracy and a coupled piezo disk-type actuator to fulfil the force requirements of fast pipetting. Measurements in open-loop mode showed pipetting of 0.5-2 mul with a CV between 1 and 7%. Thanks to the integrated sensors the system offers closed-loop operation to compensate for the piezoactuator's hysteresis and drift and thus further increasing precision and accuracy. (C) 2001 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 13:08:34