共 12 条
RAPID AGGLUTINATION TESTING IN AN ULTRASONIC STANDING-WAVE
被引:43
作者:
GRUNDY, MA
BOLEK, WE
COAKLEY, WT
BENES, E
机构:
[1] UNIV WALES COLL CARDIFF,COLL CARDIFF,SCH PURE & APPL BIOL,CATHAYS PK,CARDIFF CF1 3TL,WALES
[2] VIENNA TECH UNIV,INST ALLGEMEINE PHYS,A-1040 VIENNA,AUSTRIA
关键词:
ULTRASOUND;
ULTRASONIC STANDING WAVE FIELD;
AGGLUTINATION TEST;
RING TRANSDUCER;
IMMUNOPRECIPITATION;
D O I:
10.1016/0022-1759(93)90105-G
中图分类号:
Q5 [生物化学];
学科分类号:
071010 ;
081704 ;
摘要:
The time taken to perform diagnostic agglutination tests can be significantly reduced by applying an ultrasonic standing wave field to a droplet of reactants held in a capillary tube. Avian erythrocytes, bacteria and latex particles from commercially available test kits were agglutinated in 15 s, 5 min, and 1 min respectively. These times compare favourably with the times of 30 min, 4 h, and 8 min required for agglutination by the methods prescribed for the respective kits. No loss in sensitivity or specificity was observed with the ultrasonic method. A multi-test procedure is also described whereby a series of five droplets loaded in a single capillary can be tested in less than 4 min by drawing the capillary along the axis of the ultrasonic field of a ring transducer.
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页码:47 / 57
页数:11
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