Relevant bibliographies by topics / PIEZOSENSORS

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'PIEZOSENSORS'

Author: Grafiati
Published: 23 February 2024

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Journal articles on the topic "PIEZOSENSORS"

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Vu, Hoang Yen, and A. N. Zyablov. "Application of MIP-sensors to the determination of preservatives in non-alcoholic drinks." Industrial laboratory. Diagnostics of materials 88, no. 8 (August 21, 2022): 10–16. http://dx.doi.org/10.26896/1028-6861-2022-88-8-10-16.

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The piezosensors modified with a molecularly imprinted polymer (MIP) with potassium sorbate (MIP-E202) and sodium benzoate (MIP-E211) imprints are tested and implemented in the determination of preservatives in soft drinks. Molecularly imprinted polymers were synthesized by noncovalent imprinting on the base of copolymer of 1,2,4,5-benzene tetracarboxylic acid dianhydride and 4,4’-diaminodiphenyl oxide in N,N-dimethylformamide (DMF) in the presence of templates. Piezoelectric sensors based on MIP and non-imprinted polymer (polyimide) were compared. High values of the imprinting factor (IF) and selectivity coefficient (k) obtained for MIP-E202 (IF = 5.4) and MIP-E211 (IF = 6.0) sensors indicated better selectivity and ability of MIP-based sensors to recognize target molecules than piezosensors modified with a reference polymer. The detectable concentrations range within 5 – 500 mg/liter, the detection limits for potassium sorbate and sodium benzoate are 1.6 and 2.0 mg/liter, respectively. Correctness of the preservative determination in model solutions was verified using the spike test. MIP-based sensors appeared sensitive to the preservative determination and insensitive to interfering substances. The matrix composition of the non-alcoholic drinks did not affect the value of the analytical signal of the piezoelectric sensor. High performance liquid chromatography (HPLC) was used as a reference method. The results of potassium sorbate and sodium benzoate determination in non-alcoholic drinks using piezosensors match the HPLC data rather well, their content in the studied soft drinks being 130 – 176 and 129 – 146 mg/liter, respectively.
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Vu, Hoang Yen, and A. N. Zyablov. "Determination of preservatives in liquids by piezosensors." Аналитика и контроль 26, no. 2 (2022): 134–40. http://dx.doi.org/10.15826/analitika.2022.26.2.001.

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In the current study, piezosensors based on the molecularly imprinted polyimides with imprints of potassium sorbate and sodium benzoate were obtained. Molecularly Imprinted Polymers (MIPs) were synthesized using a polyimide and a non-covalent imprinting technique. It was established that the use of 0.1 g/mL template concentration at the thermochemical stage led to the formation of the maximum number of molecular imprints on the film surface. Using the scanning force microscopy, it was found that the reference polymer film had a uniform surface with a small height difference from 1.4 to 2.6 nm (including 88.94 % of pores with a radius of up to 10 nm) and had good film thickness reproducibility. The surface morphology of films of molecularly imprinted polymers with imprints of potassium sorbate and sodium benzoate had more developed surface, which was associated with the peculiarities of the formation of imprints. In this work, imprinting factor (IF) and selectivity coefficient (k) of the sensor were calculated. Molecularly imprinted polymers had better selectivity, sensitivity, and ability to recognize target template molecules than the reference polymers (non-imprinted polymers). Molecularly imprinted polymer-modified piezoelectric sensors (MIP sensors) have been used to analyze potassium sorbate and sodium benzoate in non-alcoholic drinks. The linear concentration range was identified to be 5 - 500 mg/L and the limit of detection for potassium sorbate and sodium benzoate were 1.6 mg/L and 2 mg/L, respectively. The determination of potassium sorbate and sodium benzoate in non-alcoholic drinks was carried out by MIP sensors and spectrophotometry method. The results obtained by the sensors and the spectrophotometry method were in good agreement. The concentration of preservatives for the potassium sorbate and the sodium benzoate in non-alcoholic drinks was 130 - 176 mg/L and 129 - 146 mg/L, respectively.
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Cao, Nhat Linh, Ol'ga Vasil'yevna Duvanova, Aleksandr Nikolayevich Zyablov, and Anh Tien Nguyen. "APPLICATION OF PIEZOSENSORS BASED ON THE MOLECULARLY IMPRINTED POLYIMIDE FOR DETERMI-NATION OF CAFFEINE IN TEA." chemistry of plant raw material, no. 2 (June 10, 2021): 173–80. http://dx.doi.org/10.14258/jcprm.2021028239.

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In this article the molecularly imprinted polymers (MIPs) have been synthesized on the surface of piezosensors. The starting polymer for MIPs production was polyamic acid, which is a copolymer of 1,2,4,5-benzenetetracarboxylic acid and 4,4′-diaminodiphenyl ether. The caffeine served as the template. The quantum-chemical simulation was performed by the Gaussian 09 software using the DFT method at the B3LYP/6-31G(d,p) level with the basis set superposition error (BSSE) at the preliminary stage of the synthesis of the MIP for caffeine. The prepolymerization complexes were calculated to establish intermolecular interactions and obtain the optimum molar ratio between the template and polyamiс acid. It is shown that the constitutional repeating units of polyamic acid interact with the caffeine by forming H-bonds via carboxyl groups. The interaction energy first increases and then decreases with increasing the molar ratio of imprinting. Based on the quantum-chemical calculations, the optimal ratio of the reagents in prepolymerization mixture was set to 1 : 3 with the highest interaction energy (96.7 kJ/mol). Applying thermal imidization of solution of polyamic acid in the presence of a template, the molecularly imprinted polyimide has been synthesized by the non-covalent imprinting method. The ability of the obtained piezosensors to recognize the tempalte in model mixtures was experimentally evaluated. It was found that the range of detectable concentrations of caffeine is 3.1.10-6-10-1 mol/dm3 and the detection limit is 10-6 mol/dm3. Correctness of the caffeine determination in model solutions was verified in the spike/recovery tests. Piezosensors based on MIP were approved for the determination of the caffeine in tea varieties. It is shown that the concentration of caffeine in the aqueous solution increases with increasing brewing time. The relative standard deviation is less than 8%.
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Kuchmenko, T. A., E. V. Bodrenko, and E. P. Anokhina. "Express analysis of hard alcohol drinks using the “electronic nose” piezosensors arra." Аналитика и контроль 21, no. 3 (2017): 262–73. http://dx.doi.org/10.15826/analitika.2017.21.3.003.

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Korenman, Ya I., E. I. Mel’nikova, S. I. Niftaliev, S. E. Boeva, A. A. Selivanova, E. S. Rudnichenko, and E. V. Bogdanova. "System of piezosensors for prognostication of the storage life of food products." Russian Journal of Applied Chemistry 82, no. 8 (August 2009): 1380–83. http://dx.doi.org/10.1134/s1070427209080114.

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Khalzova, S. A., D. A. Krivonosova, A. N. Zyablov, and O. V. Duvanova. "Determination of E102, E110, Е122, E124 synthetic dyes in soft drinks by modified piezosensors." Аналитика и контроль 21, no. 2 (2017): 85–92. http://dx.doi.org/10.15826/analitika.2017.21.2.006.

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Chiu, S. S., H. L. W. Chan, S. W. Or, Y. M. Cheung, and P. C. K. Liu. "Effect of electrode pattern on the outputs of piezosensors for wire bonding process control." Materials Science and Engineering: B 99, no. 1-3 (May 2003): 121–26. http://dx.doi.org/10.1016/s0921-5107(02)00508-1.

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Karnaukhov, V. G., V. I. Kozlov, and T. V. Karnaukhova. "Forced vibrations of an anisotropic rectangular plate with piezosensors with account for shear deformations." Reports of the National Academy of Sciences of Ukraine, no. 3 (March 22, 2015): 45–49. http://dx.doi.org/10.15407/dopovidi2015.03.045.

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Kuchmenko, T. A., A. A. Shuba, and E. V. Drozdova. "Substantiation of the operating life of gas piezosensors in detection of vapors of organic compounds." Russian Journal of Applied Chemistry 88, no. 12 (December 2015): 1997–2008. http://dx.doi.org/10.1134/s10704272150120150.

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Roh, Chang-Gyun, Hyeonmyeong Jeon, and Bongsoo Son. "Do Heavy Vehicles Always Have a Negative Effect on Traffic Flow?" Applied Sciences 11, no. 12 (June 15, 2021): 5520. http://dx.doi.org/10.3390/app11125520.

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The purpose of this study is to analyze the effect of heavy vehicles on traffic flow on a two-lane highway. To achieve this goal, data was obtained from piezosensors on the Seoul–Chuncheon Expressway. Analysis of the data showed that, as everyone knows, the average speed of traffic flows decreases as the proportion of heavy vehicles increases. However, not only the speed decreased, but the speed deviation between vehicles decreased. In other words, it was found that within the traffic group that formed the same platoon, individual vehicles were forced to form similar speeds, resulting in a homogeneous rate. This means that heavy vehicles can be included in the traffic stream, reducing the chances of a vehicle-to-vehicle conflict. This kind of influence can be said to explain that heavy vehicles do not necessarily have a negative effect on traffic flow. In this way, we expect to be able to study ways to manage traffic flow by using the effects of low-speed vehicles.
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Dissertations / Theses on the topic "PIEZOSENSORS"

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Blüher, Anja. "S-Schichtproteine als molekulare Bausteine zur Funktionalisierung mikroelektronischer Sensorstrukturen." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1227883520034-11750.

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Bakterielle Zellhüllenproteine (S-Schichten) können als molekulare Bausteine zur Funktionalisierung technischer Oberflächen verwendet werden. Die Proteine fungieren dabei als formgebende Muster (Template) oder vermitteln Bindungsstellen für eine nanostrukturierte Materialsynthese. In der vorliegenden Arbeit werden drei S-Schicht-Varianten elektronenmikroskopisch und kraftmikroskopisch charakterisiert und deren Templateigenschaften für die nasschemische Platin- und Goldclusterabscheidung vorgestellt. Für die Metallisierbarkeit der S-Schichten werden unterschiedliche Wege beschrieben. So wird unter anderem eine neue Methode zur Negativkontrastierung der kristallinen S Schichten für die Transmissionselektronenmikroskopie vorgestellt. Dabei werden adsorbierte und mit Metallkomplexen aktivierte S-Schichten kurzzeitig einer UV-Strahlung ausgesetzt. Verschiedene Methoden für die Beschichtung von technischen Oberflächen mit S Schichtproteinen werden aufgezeigt, insbesondere die Entwicklung einer neuen Technik für die Beschichtung von vorstrukturierten Sensoroberflächen, für die mikrofluidische Reaktionsräume geschaffen werden. Durch optimierte Reaktionsbedingungen wird unter Nutzung des Selbstorganisationsvermögens der Proteinmonomere eine großflächige Beschichtung von Substratoberflächen erreicht. Dies führt bei Anwendung der direkten Rekristallisation des Proteins an der Substratoberfläche zur Ausbildung von Monolagen. Untersuchungen zur Stabilisierung der S-Schichten am Substrat zeigen, dass diese durch den Einsatz von proteinvernetzenden Substanzen, wie Glutaraldehyd, erhöht werden kann. Weiterhin wird eine bionanotechnologische Funktionalisierung von mikroelektronischen Sensorstrukturen durch Integration metallisierter S-Schichtproteine ausführlich beschrieben. Erste Messergebnisse mit einem funktionalisierten Pyrosensor zeigen eine bessere Sensitivität durch die Erhöhung der katalytischen Aktivität an der Oberfläche der Nanocluster. Die Beschichtung und Vermessung neu entwickelter Piezosensoren der Siemens AG zeigt die hohe Sensitivität dieser Sensoren. Die dynamischen Messungen der Massenänderung während des Rekristallisationsprozesses werden durch ein theoretisches Modell zur Proteindeposition aus einer Monomerlösung interpretiert. Abstract* Bacterial surface layer proteins (S-layer proteins) can be used as molecular building blocks for the functionalisation of technically-used surfaces. For example, the proteins serve as templates for the production of well-defined patterns or provide binding sites for material synthesis at nanoscale. In this thesis, three different S-layer proteins are characterised by electron and atomic force microscopy. The properties of these proteins for being templates for the deposition of platinum and gold clusters are introduced. Different ways for the metallisation of S-layers are described. One example for this is a new method of negative staining of crystallised S-layers for the transmission electron microscopy, where the S-layers, adsorbed and activated with metal complexes, are exposed to UV for a short time. Different methods for coating technically-used surfaces are presented, especially a new technique for coating structured sensors' surfaces, which uses microfluidic reaction areas. The coating of large substrate surfaces with protein monomers is achieved by controlling the reaction conditions of the self-assembly process. If discrete recrystallisation takes place on the surface, the process leads to the formation of protein monolayers. Investigations showed that the stabilisation of the S-layers on a substrate can be increased by adding protein-linking reagents (e.g. glutaraldehyde). Furthermore, a bionanotechnological functionalisation of microelectronic sensors' surfaces by integrating metalised S-layer proteins is described in detail. First results show an increased catalytic activity on the surfaces of the nanoclusters. The coating of sensor surfaces with S-layers has recently been used to develop a piezoelectric sensor by the Siemens AG. This novel sensor has shown high sensitivity. Dynamic measurements of mass change during the recrystallisation process are described by a theoretical model for protein deposition out of a monomer solution.
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Garbe, Sebastian. "Structural Health Monitoring mit piezokeramischen Sensoren." 2018. https://monarch.qucosa.de/id/qucosa%3A36117.

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Das Exzellenzcluster MERGE in Chemnitz entwickelte ein Fertigungsverfahren, welches ein Werkstoff herstellt. Dieser Werkstoff ist vielseitig einsetzbar. So kann er z.B. in einem Automobil als ein modernes Steuerungselement dienen. Ein zentraler Bestandteil dieses Werkstoffes ist eine Schicht aus Piezokristallen. Aus diesen Kristallen besteht ebenfalls ein Piezosensor. Da der Piezosensor im Bereich des Structural Health Monitorings (SHM) oft verwendet wird, soll der Werkstoff auf seine Einsetzbarkeit als Sensor im diesen Bereich überprüft werden. Das SHM beschreibt die periodische Begutachtung des Bauteils auf das Vorhandensein eines Schadens. Bestimmt wird der Schaden indem Signaleigenschaften des vom Sensor aufgenommenen Signals untersucht werden. Anhand der Veränderung dieser Signaleigenschaften kann der Zustand des Bauteils bestimmt werden. In dieser Arbeit wird eine rechteckige Metallplatte aus Aluminium als Bauteil untersucht. Dieses Bauteil wurde zur Verstärkung der Steifigkeit mit einer Schicht aus Glasfasern beklebt. Angeregt und Beschädigt wird das Bauteil durch eine Prüfmaschine. Die Beschädigung des Bauteils erfolgt durch die Erhöhung der Intensität der Kraft. Als Signaleigenschaften werden in der Arbeit die Kurzzeitenergie und die Intensität der Frequenzanteile des aufgenommenen Signals vom Werkstoff untersucht.
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Book chapters on the topic "PIEZOSENSORS"

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Pandey, Aman, Sarsij Mishra, and O. Jeba Shiney. "Smart Energy Amassment: Using Piezosensors and Photovoltaic Cell with Two-Sided Mirror Technique." In Futuristic Communication and Network Technologies, 591–601. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-4625-6_58.

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Conference papers on the topic "PIEZOSENSORS"

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Aulakh, Dattar Singh, and Suresh Bhalla. "Alternate strain based-modal analysis using piezosensors." In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XIV, edited by Peter J. Shull, Tzu-Yang Yu, Andrew L. Gyekenyesi, and H. Felix Wu. SPIE, 2020. http://dx.doi.org/10.1117/12.2557974.

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Yousefi-Koma, A., and G. Vukovich. "Dynamics of piezoactuators and piezosensors in flexural vibrations." In Guidance, Navigation, and Control Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1998. http://dx.doi.org/10.2514/6.1998-4318.

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Mohammed, Ali Jasim, and Marwa Abdul Muhsien Hassan. "P1.2.5 Piezosensors for Monitoring Degradation of Automotive Engine Oil." In 14th International Meeting on Chemical Sensors - IMCS 2012. AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany, 2012. http://dx.doi.org/10.5162/imcs2012/p1.2.5.

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Sinkov, N., S. Vnukova, and Zh Kochetova. "APPLICATION OF PIEZOSENSORS FOR DETERMINATION OF COMPONENTS OF AIR POLLUTANTS." In PHYSICAL BASIS OF MODERN SCIENCE-INTENSIVE TECHNOLOGIES. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2022. http://dx.doi.org/10.34220/pfmsit2022_74-79.

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Currently, the role of environmental control is increasing as one of the effective measures to improve the quality of the environment. Determination of air pollutants by known instrumental and laboratory methods requires a lot of time, complex mathematical processing of results, expensive reagents and equipment. As an alternative, an express, economically justified and reliable method for determining the components of air pollutants using piezosensors is proposed. The main components of gas emissions from furniture manufacturing enterprises were selected as objects of research. It is shown that the developed method makes it possible to control changes in the qualitative and quantitative composition of gas emissions from furniture factories.
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SCHEERER, MICHAEL, ZOLTAN SIMON, MICHAEL MARISCHLER, TIM ROSER, and BERNHARD RITTENSCHOBER. "Development of Integrated Process and Structural Health Monitoring System Based on Piezosensors for CFRP Reinforcements Made by Resin Transfer Molding." In Structural Health Monitoring 2015. Destech Publications, 2015. http://dx.doi.org/10.12783/shm2015/229.

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Journal articles
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