Automatic analyzer

A sample, a reagent, etc. in a reaction container is agitated with an ultrasonic wave generated from a piezoelectric transducer. A power supply unit applies, to the piezoelectric transducer, a voltage having been subjected to frequency modulation at frequencies over an optional frequency range. An a...

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Main Authors Suzuki, Youichirou, Watari, Shigenori, Kato, Hajime, Uchida, Hiroyasu, Kanbara, Katsuhiro
Format Patent
LanguageEnglish
Published 05.04.2005
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Abstract A sample, a reagent, etc. in a reaction container is agitated with an ultrasonic wave generated from a piezoelectric transducer. A power supply unit applies, to the piezoelectric transducer, a voltage having been subjected to frequency modulation at frequencies over an optional frequency range. An analyzing section measures a reaction product produced as an analysis target from the reagent, etc. and the sample under agitation, and then analyzes components of the sample. With such a construction, adjustment work needed in an agitating section can be simplified, and satisfactory analyzed results can be obtained regardless of differences in frequency characteristics of ultrasonic wave generators used for ultrasonic agitation.
AbstractList A sample, a reagent, etc. in a reaction container is agitated with an ultrasonic wave generated from a piezoelectric transducer. A power supply unit applies, to the piezoelectric transducer, a voltage having been subjected to frequency modulation at frequencies over an optional frequency range. An analyzing section measures a reaction product produced as an analysis target from the reagent, etc. and the sample under agitation, and then analyzes components of the sample. With such a construction, adjustment work needed in an agitating section can be simplified, and satisfactory analyzed results can be obtained regardless of differences in frequency characteristics of ultrasonic wave generators used for ultrasonic agitation.
Author Kanbara, Katsuhiro
Kato, Hajime
Uchida, Hiroyasu
Suzuki, Youichirou
Watari, Shigenori
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References Watari et al. (20010019702) 20010900
Meitzler (4602184) 19860700
(11-230970) 19990800
(2-67963) 19900300
Katou et al. (20030166260) 20030900
Puskas (5276376) 19940100
(8-146007) 19960600
Miyake et al. (5736100) 19980400
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