NDLI: Fabrication of an atrazine acoustic immunosensor based on a drop-deposition procedure

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IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society

IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society - Elected Administrative Committee

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Introduction to the IEEE International Symposium on Applications of Ferroelectrics and International Symposium on Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials

Lead-free (Bi_0.5Na_0.5)TiO₃-based thin films by the pulsed laser deposition process

Shape-controlled crystal growth of Sr₃NbGa₃Si₂O₁₄ and Sr₃TaGa₃Si₂O₁₄ piezoelectric crystals by the micro-pulling-down method

Shaped crystal growth of langasite-type piezoelectric single crystals and their physical properties

Dielectric and Mossbauer studies of ferroelectric and magnetic phase transitions in a-site and b-site substituted multiferroic PbFe_0.5Nb_0.5O₃

Coexistence of ferroelectric and relaxor states in Ba₂Pr_xNd_1-xFeNb₄O₁₅

Impedance spectroscopy of PZT ceramics- measuring diffusion coefficients, mixed conduction, and Pb loss

A new SrBi₄Ti₄O₁₅/CaBi₄Ti₄O₁₅ thin-film capacitor for excellent electric stability

Temperature-stable high-energy-density capacitors using complex perovskite thin films

Nanodomain structures with hierarchical inhomogeneities in PMN-PT

Ferroelectric switching in Bi₄Ti₃O₁₂ nanorods

Microstructural evolution and electrical properties of base-metal electroded BaTi₄O₉ materials with B-Si-Ba-Zn-O glass system

Domain structures and dielectric properties resulting from tweed precursors of relaxor ferroelectric solid-solution single-crystal 24Pb(In_1/2Nb_1/2)O₃-46Pb (Mg_1/3Nb_2/3)O₃-30PbTio₃

Ferroelectric phase transition in LiNbO₃: Insights from molecular dynamics

Linear and nonlinear optical response of LiNbO₃ calculated from first principles

Formation of nanodomain structures during polarization reversal in congruent lithium niobate implanted with ar ions

Acoustic wave filter based on periodically poled lithium niobate

Evaluation of polarization of embedded piezoelectrics by the thermal wave method

Lead zirconate titanate nanoscale patterning by ultraviolet-based lithography lift-off technique for nano-electromechanical system applications

Measurement of piezoelectric transformer vibrations by digital holography

Design of low-loss 1-3 piezoelectric composites for high-power transducer applications

Non-planar pad-printed thick-film focused high-frequency ultrasonic transducers for imaging and therapeutic applications

Application of Single-crystalline PMN-PT and PIN-PMN-PT in High-Performance Pyroelectric Detectors

A piezoelectric active mirror suspension system embedded into low-temperature cofired ceramic

Effect of manganese and vanadium valences on microstructures and reliability of BaTiO₃-based multi-layer ceramic capacitors

Application of piezoelectric macro-fiber-composite actuators to the suppression of noise transmission through curved glass plates

Fabrication of an atrazine acoustic immunosensor based on a drop-deposition procedure

Vibration energy harvesting using a piezoelectric circular diaphragm array

Improvement of low-frequency characteristics of piezoelectric speakers based on acoustic diaphragms

An L-section DC electric field switchable bulk acoustic wave solidly mounted resonator filter based on Ba_0.5Sr_0.5TiO₃

Applications of piezoelectric materials in oilfield services

High-data-rate ultrasonic through-metal communication

Compounding in synthetic aperture imaging

Quantitative ultrasound estimates from populations of scatterers with continuous size distributions: effects of the size estimator algorithm

Ultrasonic measurement of bone thickness for spinal surgery

Synergistic enhancements of ultrasound image contrast with a combination of phase aberration correction and dual apodization with cross-correlation

An automatic compact Schlieren imaging system for ultrasound transducer testing

Metglas/Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃ magnetoelectric gradiometric sensor with high detection sensitivity

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Fabrication of an atrazine acoustic immunosensor based on a drop-deposition procedure

Content Provider	IEEE Xplore Digital Library
Author	Kun Jia Toury, T. Ionescu, R.E.
Copyright Year	1986
Abstract	Among the various novel analytical systems, immunosensors based on acoustic waves are of emerging interest because of their good sensitivity, real-time monitoring capability, and experimental simplicity. In this work, piezoelectric immunosensors were constructed for the detection of atrazine through the immobilization of specific monoclonal anti-atrazine antibodies on thiolated modified quartz crystal microbalances (QCMs). The immunoassay was conducted by a novel drop-deposition procedure using different atrazine dilutions in phosphate buffer solution ranging from 10^-10 to 10^-1 mg/mL. The immunoreactions between varying contents of atrazine and its antibody were dynamically exhibited through in situ monitoring of the frequency and motional resistance changes over 20 min. Thus, atrazine recognition by the anti-atrazine antibody leads to a decrease of the resonant frequency that is proportional to a given atrazine concentration. Interestingly, the motional resistance also increased proportionally during the measurements, which could be attributed to the specific viscoelastic properties and/or conformation changes of the antibodies once the immunoreactions occurred. By combining the measurements of frequency with those of motional resistance, additional information was provided about the interaction between the atrazine-named antigen and its respective antibody. Finally, the analytical specificity of the immunosensor to atrazine was evaluated through the response to a nonspecific anti-human IgG antibody-modified QCM crystal under the same drop conditions.
File Size	601218
File Format	PDF
ISSN	08853010
Volume Number	59
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Immune system Crystals Resonant frequency Real time systems Acoustics Frequency control Frequency measurement
Content Type	Text
Resource Type	Article
Subject	Acoustics and Ultrasonics Instrumentation Electrical and Electronic Engineering

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