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Thematische Bibliographien / Gas microsensors / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Gas microsensors“

Autor: Grafiati

Veröffentlicht am 25. Mai 2024

Zuletzt aktualisiert am 31. Juli 2025

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1

Sandfeld, Tobias, Louise Vinther Grøn, Laura Munoz, Rikke Louise Meyer, Klaus Koren, and Jo Philips. "Considerations on the use of microsensors to profile dissolved H2 concentrations in microbial electrochemical reactors." PLOS ONE 19, no. 1 (2024): e0293734. http://dx.doi.org/10.1371/journal.pone.0293734.

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Measuring the distribution and dynamics of H2 in microbial electrochemical reactors is valuable to gain insights into the processes behind novel bioelectrochemical technologies, such as microbial electrosynthesis. Here, a microsensor method to measure and profile dissolved H2 concentrations in standard H-cell reactors is described. Graphite cathodes were oriented horizontally to enable the use of a motorized microprofiling system and a stereomicroscope was used to place the H2 microsensor precisely on the cathode surface. Profiling was performed towards the gas-liquid interface, while preservi

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2

Jung, Dong Geon, Junyeop Lee, Jin Beom Kwon, Bohee Maeng, Hee Kyung An, and Daewoong Jung. "Low-Voltage-Driven SnO2-Based H2S Microsensor with Optimized Micro-Heater for Portable Gas Sensor Applications." Micromachines 13, no. 10 (2022): 1609. http://dx.doi.org/10.3390/mi13101609.

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To realize portable gas sensor applications, it is necessary to develop hydrogen sulfide (H2S) microsensors capable of operating at lower voltages with high response, good selectivity and stability, and fast response and recovery times. A gas sensor with a high operating voltage (>5 V) is not suitable for portable applications because it demands additional circuitry, such as a charge pump circuit (supply voltage of common circuits is approximately 1.8–5 V). Among H2S microsensor components, that is, the substrate, sensing area, electrode, and micro-heater, the proper design of the micro-hea

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3

Vallejos, Stella, Zdenka Fohlerová, Milena Tomić, Isabel Gràcia, Eduard Figueras, and Carles Cané. "Room Temperature Ethanol Microsensors Based on Silanized Tungsten Oxide Nanowires." Proceedings 2, no. 13 (2018): 790. http://dx.doi.org/10.3390/proceedings2130790.

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Gas microsensors based on tungsten oxide (WO3-x) nanowires (NWs) silanized with APTES (3-aminopropyltriethoxysilane) are developed in this work. These surface modified microsensors are highly sensitive to ethanol at room temperature (RT) via photoactivation and show enhanced selectivity towards other volatile organic compounds (VOCs) including acetone and toluene.

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Siegal, M. P., W. G. Yelton, D. L. Overmyer, and P. P. Provencio. "Nanoporous Carbon Films for Gas Microsensors." Langmuir 20, no. 4 (2004): 1194–98. http://dx.doi.org/10.1021/la034460s.

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5

Siegal, M. P., and W. G. Yelton. "Nanoporous-Carbon Coatings for Gas-Phase Chemical Microsensors." Advances in Science and Technology 48 (October 2006): 161–68. http://dx.doi.org/10.4028/www.scientific.net/ast.48.161.

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Nanoporous-carbon (NPC) is compared directly to commonly-used polymers as a gassorbing coating material on surface acoustic wave (SAW) microsensor devices. The sensing capability of these materials is measured for volatile organic compounds (VOCs), toxic-industrial chemicals (TICs), and a chemical warfare agents (CWA) simulant. All of the coatings reversibly sorb and desorb the volatile VOC and TIC compounds, however, NPC outperforms the polymers over the range of analyte concentrations studied, especially at the lowest levels, by multiple ordersof- magnitude. Conversely, NPC has good retentio

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6

Penza, M., R. Rossi, M. Alvisi, et al. "Metalloporphyrin-Modified Carbon Nanotube Layers for Gas Microsensors." Sensor Letters 9, no. 2 (2011): 913–19. http://dx.doi.org/10.1166/sl.2011.1643.

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7

Bolotov, V. V., P. M. Korusenko, S. N. Nesov, et al. "Nanocomposite por-Si/SnOx layers formation for gas microsensors." Materials Science and Engineering: B 177, no. 1 (2012): 1–7. http://dx.doi.org/10.1016/j.mseb.2011.09.006.

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8

Swart, N., and A. Nathan. "Numerical study of heat transport in thermally isolated flow-rate microsensors." Canadian Journal of Physics 70, no. 10-11 (1992): 904–7. http://dx.doi.org/10.1139/p92-143.

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The temperature distributions in thermally isolated cantilever based flow-rate microsensors have been numerically calculated for different gas temperatures and gas velocities. In particular, we investigate the efficiency of heat transfer to the flowing gas and corresponding directions of heat flow in the system. The above analysis is based on a solution to the energy equation under appropriate boundary conditions. The equation was discretized using a control volume procedure, based on which an equivalent circuit was devised and subsequently simulated using a circuit simulator such as SPICE.

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9

Vittoriosi, Alice, Juergen J. Brandner, and Roland Dittmeyer. "Integrated temperature microsensors for the characterization of gas heat transfer." Journal of Physics: Conference Series 362 (May 23, 2012): 012021. http://dx.doi.org/10.1088/1742-6596/362/1/012021.

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10

Penza, M., R. Rossi, M. Alvisi, D. Suriano, and E. Serra. "Pt-modified carbon nanotube networked layers for enhanced gas microsensors." Thin Solid Films 520, no. 3 (2011): 959–65. http://dx.doi.org/10.1016/j.tsf.2011.04.178.

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11

Shoemaker, E. L., M. C. Vogt, F. J. Dudek, and T. Turner. "Gas microsensors using cyclic voltammetry with a cermet electrochemical cell." Sensors and Actuators B: Chemical 42, no. 1 (1997): 1–9. http://dx.doi.org/10.1016/s0925-4005(97)00178-0.

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12

Archanjo, Braulio S., Guilherme V. Silveira, Alem-Mar B. Goncalves, et al. "Fabrication of Gas Nanosensors and Microsensors via Local Anodic Oxidation." Langmuir 25, no. 1 (2009): 602–5. http://dx.doi.org/10.1021/la803105f.

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13

Urban, Sebastian, Vinayaganataraj Tamilselvi Sundaram, Jochen Kieninger, Gerald Urban, and Andreas Weltin. "Microsensor Electrodes for 3D Inline Process Monitoring in Multiphase Microreactors." Sensors 20, no. 17 (2020): 4876. http://dx.doi.org/10.3390/s20174876.

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We present an electrochemical microsensor for the monitoring of hydrogen peroxide direct synthesis in a membrane microreactor environment by measuring the hydrogen peroxide and oxygen concentrations. In prior work, for the first time, we performed in situ measurements with electrochemical microsensors in a microreactor setup. However, the sensors used were only able to measure at the bottom of the microchannel. Therefore, only a limited assessment of the gas distribution and concentration change over the reaction channel dimensions was possible because the dissolved gases entered the reactor t

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Grate, J. W., and D. A. Nelson. "Sorptive polymeric materials and photopatterned films for gas phase chemical microsensors." Proceedings of the IEEE 91, no. 6 (2003): 881–89. http://dx.doi.org/10.1109/jproc.2003.813575.

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15

Sabolsky, E. M., E. Ciftyurek, C. Wildfire, et al. "(Invited) Nano-Derived Microsensors for Monitoring Gas Species in Harsh-Environments." ECS Transactions 61, no. 2 (2014): 375–85. http://dx.doi.org/10.1149/06102.0375ecst.

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16

Kilpatrick, J. M., W. N. MacPherson, J. S. Barton, et al. "Measurement of unsteady gas temperature with optical fibre Fabry-Perot microsensors." Measurement Science and Technology 13, no. 5 (2002): 706–12. http://dx.doi.org/10.1088/0957-0233/13/5/308.

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17

Chen, Kun-Long, Yuan-Pin Tsai, and Nanming Chen. "Application of power current microsensors to current measurements in gas-insulated switchgears." Journal of the Chinese Institute of Engineers 35, no. 8 (2012): 1039–49. http://dx.doi.org/10.1080/02533839.2012.708553.

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18

Chao, S. "A simple laboratory procedure for packaging and testing part-fabricated gas microsensors." Measurement Science and Technology 7, no. 5 (1996): 737–41. http://dx.doi.org/10.1088/0957-0233/7/5/002.

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19

Vallejos, S., I. Gràcia, E. Figueras, N. Pizurova, J. Hubálek, and C. Cané. "ZnO-based Gas Microsensors Sensitive to CO at Room Temperature by Photoactivation." Procedia Engineering 168 (2016): 415–18. http://dx.doi.org/10.1016/j.proeng.2016.11.198.

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20

Kühne, S., M. Graf, A. Tricoli, F. Mayer, S. E. Pratsinis, and A. Hierlemann. "Wafer-level flame-spray-pyrolysis deposition of gas-sensitive layers on microsensors." Journal of Micromechanics and Microengineering 18, no. 3 (2008): 035040. http://dx.doi.org/10.1088/0960-1317/18/3/035040.

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21

Hyodo, Takeo, Kazunori Nagae, Taro Ueda, Takahiko Sasahara, and Yasuhiro Shimizu. "Sensing Behavior of Adsorption/Combustion-type Gas Microsensors to Various Alcoholic Vapors." Sensors and Materials 35, no. 11 (2023): 3851. http://dx.doi.org/10.18494/sam4403.

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22

Puyol, Rafael, Sylvain Pétré, Yann Danlée, Thomas Walewyns, Laurent A. Francis, and Denis Flandre. "Design Considerations of Ultra-Low-Power Polymer Gas Microsensors Based on Noise Analysis." Proceedings 56, no. 1 (2020): 19. http://dx.doi.org/10.3390/proceedings2020056019.

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Current sensing solutions must combine an ultra-low energy consumption trend with high reliability. The challenge lies on a fine setting of the detection threshold with the assurance of a sufficient sensitivity. In this article, the uncertainty introduced on gas sensing applications by the inherent sensor noise is studied. A 1/f model of the electronic noise in polypyrrole-based ammonia (NH3) sensors is presented and used to estimate the intrinsic signal-to-noise ratio (SNR), giving an effective precision of 10.7 bits, i.e., down to 31.4 ppb in terms of NH3 concentration. No significant improv

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23

Bolotov, V. V., P. M. Korusenko, S. N. Nesov, et al. "Fabrication of por-Si/SnO x nanocomposite layers for gas microsensors and nanosensors." Semiconductors 45, no. 5 (2011): 693–98. http://dx.doi.org/10.1134/s1063782611050071.

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24

Hagleitner, C., D. Lange, A. Hierlemann, O. Brand, and H. Baltes. "CMOS single-chip gas detection system comprising capacitive, calorimetric and mass-sensitive microsensors." IEEE Journal of Solid-State Circuits 37, no. 12 (2002): 1867–78. http://dx.doi.org/10.1109/jssc.2002.804359.

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25

Hotový, Ivan, Ivan Kostič, Štefan HAščík, Vlastimil ŘEháček, Jozef Liday, and Helmut Sitter. "Development and Fabrication of TiO2 Tip Arrays for Gas Sensing." Journal of Electrical Engineering 62, no. 6 (2011): 363–66. http://dx.doi.org/10.2478/v10187-011-0058-3.

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Development and Fabrication of TiO2Tip Arrays for Gas SensingTitanium oxide thin films were deposited at room temperature by reactive magnetron sputtering in a mixture of oxygen and argon on oxidized silicon substrates. The optimal etching characteristics of TiO2films by reactive ion etching (RIE) and RIE with inductively coupled plasma source (ICP) were investigated. Patterning of TiO2tip arrays by electron beam lithography and dry etching were developed. Different spot sizes 200 and 500 nm in diameter and with spacing 500 and 1000 nm were investigated with regards to the minimal size and the

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26

Tomić, Milena, Milena Šetka, Ondřej Chmela, et al. "Cerium Oxide-Tungsten Oxide Core-Shell Nanowire-Based Microsensors Sensitive to Acetone." Biosensors 8, no. 4 (2018): 116. http://dx.doi.org/10.3390/bios8040116.

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Gas sensitive cerium oxide-tungsten oxide core-shell nanowires are synthesized and integrated directly into micromachined platforms via aerosol assisted chemical vapor deposition. Tests to various volatile organic compounds (acetone, ethanol, and toluene) involved in early disease diagnosis demonstrate enhanced sensitivity to acetone for the core-shell structures in contrast to the non-modified materials (i.e., only tungsten oxide or cerium oxide). This is attributed to the high density of oxygen vacancy defects at the shell, as well as the formation of heterojunctions at the core-shell interf

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27

Khononzon, G., and O. Rutenberg. "Microsensors and actuators based on single-crystal silicon in miniature gas chromatographs and analysers." Journal of Micromechanics and Microengineering 2, no. 4 (1992): 266–68. http://dx.doi.org/10.1088/0960-1317/2/4/009.

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28

Xue, Mianqi, Yang Zhang, Yanlian Yang, and Tingbing Cao. "Processing Matters: In situ Fabrication of Conducting Polymer Microsensors Enables Ultralow-Limit Gas Detection." Advanced Materials 20, no. 11 (2008): 2145–50. http://dx.doi.org/10.1002/adma.200702864.

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29

Semmache, B., S. Kallel, H. El Omari, M. Lemiti, and A. Laugier. "Dépôt chimique en phase vapeur et à basse pression de couches minces à base de silicium dans un réacteur à lampes halogène." Canadian Journal of Physics 77, no. 9 (2000): 737–43. http://dx.doi.org/10.1139/p99-035.

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Low-pressure chemical vapor deposition (LPCVD) in halogen lamp-heated reactor (RTLPCVD: rapid thermal LPCVD) is a promising technique for silicon-based thin films deposition. Indeed, overall process time and gas consumption reduction in RTP reactors allows to project new device fabrication technologies (microsensors, solar cells) in order to reach a higher environmental safety with respect to classical technologies.Various gases available on our RTP installation (SiH4, NH3, N2O, O2, PH3, B2H6) enable several silicon-based thin films RTLPCVD deposition: intrinsic polycrystalline silicon (poly-S

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Xie, Zhuang, Liting Duan, Yuqian Jiang, Mianqi Xue, Meining Zhang, and Tingbing Cao. "Thinner is Better: An Ultrathin Conducting Oligoaniline Film for Gas Microsensors with Ultralow Detection Limits." Macromolecular Rapid Communications 30, no. 18 (2009): 1589–93. http://dx.doi.org/10.1002/marc.200900240.

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31

Villaverde, S., R. Mirpuri, Z. Lewandowski, and W. L. Jones. "Study of toluene degradation kinetics in a flat plate vapor phase bioreactor using oxygen microsensors." Water Science and Technology 36, no. 1 (1997): 77–84. http://dx.doi.org/10.2166/wst.1997.0017.

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The paper describes the toluene degradation process in a flat plate vapor phase bioreactor (VPBR) by a Pseudomonas putida 54G biofilm. Oxygen microelectrodes were used to measure oxygen concentration profiles through the gas, liquid, and biofilm phases. The linear shape of the dissolved oxygen concentration profile in the outer 87% of the biofilm thickness suggested an absence of reaction in this layer. Oxygen consumption in the remaining basal 13 % (0.3 mm) followed zero order kinetics with a rate constant of 102.2 g m−3 h−1, for toluene gas concentration of 1.5 g m−3. The increase in respira

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Rohe, Lena, Bernd Apelt, Hans-Jörg Vogel, Reinhard Well, Gi-Mick Wu, and Steffen Schlüter. "Denitrification in soil as a function of oxygen availability at the microscale." Biogeosciences 18, no. 3 (2021): 1185–201. http://dx.doi.org/10.5194/bg-18-1185-2021.

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Abstract. The prediction of nitrous oxide (N2O) and of dinitrogen (N2) emissions formed by biotic denitrification in soil is notoriously difficult due to challenges in capturing co-occurring processes at microscopic scales. N2O production and reduction depend on the spatial extent of anoxic conditions in soil, which in turn are a function of oxygen (O2) supply through diffusion and O2 demand by respiration in the presence of an alternative electron acceptor (e.g. nitrate). This study aimed to explore controlling factors of complete denitrification in terms of N2O and (N2O + N2) fluxes in repac

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Miyachi, Yoshia, Hajime Furuichi, Toshiyuki Sanada, and Yuki Mizushima. "Multipoint gas–liquid phase detection method based on a thin-film optical waveguide." Review of Scientific Instruments 93, no. 6 (2022): 065107. http://dx.doi.org/10.1063/5.0075435.

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Gas–liquid phase detection is an important technique applied in a wide range of industries. In this study, we developed a phase detection method using a film-based optical waveguide. The optical waveguide is a thin and flexible film with multi-light paths that uses multi-microsensors for gas–liquid phase detection. The intensity of the reflected light generated by different refractive indices between gas and liquid aids in distinguishing the phase. Additionally, the sensing principle is identical to that of the typical optical fiber probing technique. In this study, we investigated the detecti

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Catandi, Giovana D., Yusra M. Obeidat, Corey D. Broeckling, Thomas W. Chen, Adam J. Chicco, and Elaine M. Carnevale. "Equine maternal aging affects oocyte lipid content, metabolic function and developmental potential." Reproduction 161, no. 4 (2021): 399–409. http://dx.doi.org/10.1530/rep-20-0494.

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Advanced maternal age is associated with a decline in fertility and oocyte quality. We used novel metabolic microsensors to assess effects of mare age on single oocyte and embryo metabolic function, which has not yet been similarly investigated in mammalian species. We hypothesized that equine maternal aging affects the metabolic function of oocytes and in vitro-produced early embryos, oocyte mitochondrial DNA (mtDNA) copy number, and relative abundance of metabolites involved in energy metabolism in oocytes and cumulus cells. Samples were collected from preovulatory follicles from young (≤14

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Lauque, P. "Sputtered thin films of CuBr as electrochemical microsensors for NH3 gas: structure, sensitivity and aging effects." Solid State Ionics 136-137, no. 1-2 (2000): 603–6. http://dx.doi.org/10.1016/s0167-2738(00)00343-x.

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36

ZOHAR, YITSHAK, SYLVANUS YUK KWAN LEE, WING YIN LEE, LINAN JIANG, and PIN TONG. "Subsonic gas flow in a straight and uniform microchannel." Journal of Fluid Mechanics 472 (November 30, 2002): 125–51. http://dx.doi.org/10.1017/s0022112002002203.

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A nonlinear equation based on the hydrodynamic equations is solved analytically using perturbation expansions to calculate the flow field of a steady isothermal, compressible and laminar gas flow in either a circular or a planar microchannel. The solution takes into account slip-flow effects explicitly by utilizing the classical velocity-slip boundary condition, assuming the gas properties are known. Consistent expansions provide not only the cross-stream but also the streamwise evolution of the various flow parameters of interest, such as pressure, density and Mach number. The slip-flow effec

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Gunasekaran, Vignesh, Soffian Yjjou, Eve Hennequin, et al. "A New Miniaturized Gas Sensor Based on Zener Diode Network Covered by Metal Oxide." Micromachines 12, no. 11 (2021): 1355. http://dx.doi.org/10.3390/mi12111355.

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The development of “portable, low cost and low consumption” gas microsensors is one of the strong needs for embedded portable devices in many fields such as public domain. In this paper, a new approach is presented on making, on the same chip, a network of head-to-tail facing PN junctions in order to miniaturize the sensor network and considerably reduce the required power for heating each cell independently. This paper is about recognizing a device that integrates both sensing and self-heating. This first study aims to evaluate the possibilities of this type of diode network for use as a gas

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Shaalan, N. M., T. Yamazaki, and T. Kikuta. "Effect of micro-electrode geometry on NO2 gas-sensing characteristics of one-dimensional tin dioxide nanostructure microsensors." Sensors and Actuators B: Chemical 156, no. 2 (2011): 784–90. http://dx.doi.org/10.1016/j.snb.2011.02.039.

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Archanjo, Bráulio S., Pablo F. Siles, Camilla K. B. Q. M. Oliveira, Daniel L. Baptista, and Bernardo R. A. Neves. "Characterization of Metal Oxide-Based Gas Nanosensors and Microsensors Fabricated via Local Anodic Oxidation Using Atomic Force Microscopy." Advances in Materials Science and Engineering 2013 (2013): 1–13. http://dx.doi.org/10.1155/2013/898565.

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This work reports on nanoscale and microscale metal oxide gas sensors, consisting of metal-semiconductor-metal barriers designed via scanning probe microscopy. Two distinct metal oxides, molybdenum and titanium oxides, were tested at different temperatures using CO2and H2as test gases. Sensitivities down to ppm levels are demonstrated, and the influence of dry and humid working atmospheres on these metal oxide conductivities was studied. Furthermore, the activation energy was evaluated and analyzed within working sensor temperature range. Finally, full morphological, chemical, and structural a

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Wilén, B. M., D. Gapes, L. L. Blackall, and J. Keller. "Structure and microbial composition of nitrifying microbial aggregates and their relation to internal mass transfer effects." Water Science and Technology 50, no. 10 (2004): 213–20. http://dx.doi.org/10.2166/wst.2004.0647.

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This paper presents an analysis of the structure and microbial composition of nitrifying aggregates, formed as either flocs or granules, in sequencing batch reactors (SBR) operated with a high ammonium load. The structure and microbial community of the aggregates was determined by fluorescence in situ hybridisation (FISH). The aggregate structure and size was related to mass transfer limitations observed by measurements of OURs measured by either a titrimetric and off-gas analysis sensor (TOGA) or by microsensors. The FISH analysis showed that the spatial arrangement of the microbial consortia

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Dominguez, J. E., L. Fu, and X. Q. Pan. "TEM Study of the Effect of the Sapphire Substrate Surface Orientation on the Microstructure of Tin Dioxide Films." Microscopy and Microanalysis 7, S2 (2001): 1220–21. http://dx.doi.org/10.1017/s1431927600032177.

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Tin dioxide (SnO2) has been extensively studied and used as gas sensors to detect toxic gases such as CO, NOxand flammable gases like H2.[l] Recently, considerable researches have focused on thin film sensors due to their high performance as well as their integration compatibility with semiconductor technology for making microsensors and sensor arrays. [2] The performance of thin film sensors is remarkably influenced by the way they were fabricated.[3] Among various deposition techniques, pulsed laser deposition (PLD) has shown great prominence in the deposition of a wide variety of oxide thin

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Geiling, Thomas, Tilo Welker, Christiane Ehrling, and Jens Müller. "Design, Fabrication, and Operation of a Nitrogen Monoxide Measurement Device Based on LTCC." Journal of Microelectronics and Electronic Packaging 9, no. 4 (2012): 171–77. http://dx.doi.org/10.4071/imaps.343.

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We present a so-called micro total analytical system (μTAS) for the measurement of low nitrogen monoxide (NO) concentrations in gas flows. The measurement principle is based on the chemiluminescent reaction of NO with ozone (O3). The presented system scales down this measurement principle into the realm of microfluidics and microsensors. Low temperature cofired ceramics (LTCC) have proven to be the ideal technology for the realization of a μTAS, as they offer high chemical and thermal stability as well as high degree of freedom of design. The system consists of four components: an ozone genera

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Tamaki, Jun, Jun Niimi, Shunsuke Ogura, and Satoshi Konishi. "Effect of micro-gap electrode on sensing properties to dilute chlorine gas of indium oxide thin film microsensors." Sensors and Actuators B: Chemical 117, no. 2 (2006): 353–58. http://dx.doi.org/10.1016/j.snb.2005.11.005.

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Seleznev, V. A., V. Ya Prinz, V. M. Aniskin, and A. A. Maslov. "Generation and registration of disturbances in a gas flow. 1. Formation of arrays of tubular microheaters and microsensors." Journal of Applied Mechanics and Technical Physics 50, no. 2 (2009): 291–96. http://dx.doi.org/10.1007/s10808-009-0039-5.

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Shiplyuk, A. N., V. M. Aniskin, V. A. Seleznev, V. Ya Prinz, A. A. Maslov, and R. S. Matvienko. "Generation and registration of disturbances in a gas flow. 2. Experiments with arrays of tubular microheaters and microsensors." Journal of Applied Mechanics and Technical Physics 50, no. 3 (2009): 454–58. http://dx.doi.org/10.1007/s10808-009-0060-8.

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Rodríguez, Daniel, Juan Bonaparte, Norberto Boggio, and Alejandro Fasciszewski. "Desarrollo y fabricación de un microsensor de gas de baja potencia para la detección de amoniaco a bajas concentraciones." Tecnura 23, no. 61 (2019): 23–30. http://dx.doi.org/10.14483/22487638.15353.

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Contexto: En este trabajo se presenta el desarrollo y microfabricación de un sensor de gas cuyo funcionamiento se basa en las variaciones de su conductividad eléctrica en presencia de determinados gases. Para utilizar estos sensores en equipos portátiles, como monitores de gases, se requiere que la potencia utilizada para mantener la película sensible a la temperatura de funcionamiento sea muy baja. Los resultados de este desarrollo permiten contar además con una plataforma para la microfabricación de sensores de gas, sobre la que se pueda incorporar diversos tipos de películas sensoras.

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Stolle, Christian, Mariana Ribas-Ribas, Thomas H. Badewien, et al. "The MILAN Campaign: Studying Diel Light Effects on the Air–Sea Interface." Bulletin of the American Meteorological Society 101, no. 2 (2020): E146—E166. http://dx.doi.org/10.1175/bams-d-17-0329.1.

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Abstract The sea surface microlayer (SML) at the air–sea interface is &lt;1 mm thick, but it is physically, chemically, and biologically distinct from the underlying water and the atmosphere above. Wind-driven turbulence and solar radiation are important drivers of SML physical and biogeochemical properties. Given that the SML is involved in all air–sea exchanges of mass and energy, its response to solar radiation, especially in relation to how it regulates the air–sea exchange of climate-relevant gases and aerosols, is surprisingly poorly characterized. MILAN (Sea Surface Microlayer at Ni

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Ruiz-Gonzalez, Antonio, Harriet Kempson, and Jim Haseloff. "Development of a Low-Cost Sensor System for Accurate Soil Assessment and Biological Activity Profiling." Micromachines 15, no. 11 (2024): 1293. http://dx.doi.org/10.3390/mi15111293.

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The development of low-cost tools for rapid soil assessment has become a crucial field due to the increasing demands in food production and carbon storage. However, current methods for soil evaluation are costly and cannot provide enough information about the quality of samples. This work reports for the first time a low-cost 3D printed device that can be used for soil classification as well as the study of biological activity. The system incorporated multiple physical and gas sensors for the characterisation of sample types and profiling of soil volatilome. Sensing data were obtained from 31

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Mashiba, Felipe Hiroshi, Koichi Suematsu, Ken Watanabe, and Kengo Shimanoe. "Electrical Properties of Micro-Nano Hierarchically Controlled Tin Dioxide Gas Sensors." ECS Meeting Abstracts MA2024-02, no. 65 (2024): 4390. https://doi.org/10.1149/ma2024-02654390mtgabs.

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Metal oxide semiconductor gas sensors, particularly those utilizing tin dioxide, are indispensable across various sectors, including medical diagnostics. The medical industry demands high sensitivity and selectivity to detect low gas concentrations. In our previous proposal, we integrated pulse-driven techniques with a micro gas sensor to achieve this goal. Additionally, nanostructure control, involving nanoparticles, nanoclusters, and nano/mesopores, is crucial for attaining these properties. Typically, this type of gas sensor exhibits high resistance at elevated temperatures. However, mainta

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Sazhin, Oleg. "Flow Microsensor of Thermal Type for Measurements of Gas Fluxes." Applied Mechanics and Materials 249-250 (December 2012): 118–25. http://dx.doi.org/10.4028/www.scientific.net/amm.249-250.118.

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An analytical model of the flow sensor of thermal type is developed. The results of the model application are used to develop a flow microsensor of thermal type with optimal functional characteristics. The technology of microsensor manufacturing is provided. The prototype of the microsensor suitable for use in the mass air flow meter is created. The basic characteristics of the microsensor are presented.

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