title: Plate acoustic wave sensor for detection of small amounts of bacterial cells in micro-litre liquid samples.
abstract: Ultrasonic acoustic waves propagating in thin piezoelectric plates with free faces are used for bacteria detection in micro-litre liquid samples deposited on one of the plate surface. The limits of the detection at normal conditions are as low as 0.04% for highly diluted rich cultural Luria-Bertani broth (LB-media) in distillate water, 0.07% for bacterial cells in distillate water, and 0.6% for bacterial cells in LB-media. For all analytes the most probable detection mechanism is the change in liquid conductivity. Because of no using any sorbent film the long-term stability of the detection is expected as very high.
authors.affiliation: Kotel'nikov Institute of Radio Engineering and Electronics of RAS, Moscow 125009, Russia. Electronic address: anis@cplire.ru.
authors.forename: V I
authors.initials: VI
authors.lastname: Anisimkin
authors.affiliation: Kotel'nikov Institute of Radio Engineering and Electronics of RAS, Moscow 125009, Russia; MSTU MIREA, Moscow 119454, Russia.
authors.forename: I Е
authors.initials: IЕ
authors.lastname: Kuznetsova
authors.affiliation: Kotel'nikov Institute of Radio Engineering and Electronics of RAS, Moscow 125009, Russia.
authors.forename: V V
authors.initials: VV
authors.lastname: Kolesov
authors.affiliation: Kotel'nikov Institute of Radio Engineering and Electronics of RAS, Moscow 125009, Russia.
authors.forename: I I
authors.initials: II
authors.lastname: Pyataikin
authors.affiliation: Vinogradsky Institute of Microbiology RAS, Moscow 117312, Russia.
authors.forename: V V
authors.initials: VV
authors.lastname: Sorokin
authors.affiliation: Vinogradsky Institute of Microbiology RAS, Moscow 117312, Russia. Electronic address: skladda@gmail.com.
authors.forename: D A
authors.initials: DA
authors.lastname: Skladnev
mesh_terms: D000162:Acoustics / Q000295:instrumentation*; D015374:Biosensing Techniques / Q000295:instrumentation*; D004867:Equipment Design; D008420:Manufactured Materials; D020102:Mycobacterium smegmatis; D011550:Pseudomonas aeruginosa; D013016:Sound
keywords: Piezoelectric plate; Plate acoustic wave; Sensor for detection of bacterial cells