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Journal articles on the topic 'Concentration platform'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Chou, Jung-Chuan, and Chang-Chi Lee. "REALIZATION OF PLATFORM FOR ION CONCENTRATION MEASUREMENT." Biomedical Engineering: Applications, Basis and Communications 21, no. 06 (2009): 385–88. http://dx.doi.org/10.4015/s1016237209001507.

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LabVIEW has complete development and compiler environment, so the display, saved and transmission interface, etc. are compiled by LabVIEW software in this study. LabVIEW and microcontroller can be integrated for the platform of ion concentration measurement, as well as the acquisition of sensing signal can be obtained via microcontroller. Moreover, the pCl and pH value can be separated in platform of ion concentration measurement. Besides, the platform of ion concentration measurement is measured in pCl2 standard solution, the results are between pCl1.83 and pCl2.08. Hence, the platform of ion

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Taylor, Ross Edward, Pamela Mager, Nam C. Yu, David P. Katz, Jett R. Brady, and Nakul Gupta. "Iodine quantification and detectability thresholds among major dual-energy CT platforms." British Journal of Radiology 92, no. 1104 (2019): 20190530. http://dx.doi.org/10.1259/bjr.20190530.

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Objectives: To estimate the minimum detectable iodine concentration on multiple dual-energy CT (DECT) platforms. Methods and materials: A phantom containing iodine concentrations ranging from 0 to 10 mg ml−1 was scanned with five dual-energy platforms (two rapid kilo volt switching (r-kVs), one dual source (DS), one sequential acquisition and one split-filter). Serial dilutions of 300 mg ml−1 iodinated contrast material were used to generate concentrations below 2 mg ml−1. Iodine density and virtual monoenergetic images were reviewed by three radiologists to determine the minimum visually dete

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Dumitriu, Cristina, Alexandra Constantinescu, and Cristian Pirvu. "Functionalized TiO2 Nanotube Platform for Gliadin Electroanalysis." Crystals 11, no. 1 (2020): 22. http://dx.doi.org/10.3390/cryst11010022.

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The present paper presents a gliadin detection method. This method is based on a modified Ti electrode. Modification was performed by a simple and cheap anodization. Then, a layer of graphene oxide was added, and gliadin antibody was fixed on the electrode surface. Using this complex system, electrochemical impedance spectroscopy was used for gliadin detection. Solutions with known gliadin (a fraction from gluten) content were used for analysis. Impedance measured at a certain frequency and coating resistance were analyzed. Better results (good linearity and lower detection limit) were obtaine

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Chen, Hong, Wenjing Duan, and Wenqi Zhou. "When products receive reviews across platforms: Studying the platform concentration of electronic word-of-mouth." Information & Management 58, no. 8 (2021): 103532. http://dx.doi.org/10.1016/j.im.2021.103532.

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Li, Xiang, Long Luo, and Richard M. Crooks. "Faradaic Ion Concentration Polarization on a Paper Fluidic Platform." Analytical Chemistry 89, no. 7 (2017): 4294–300. http://dx.doi.org/10.1021/acs.analchem.7b00365.

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Ayareh, Zohreh, Saman Mahmoodi, and Mehrdad Moradi. "Magneto-plasmonic biosensing platform for detection of glucose concentration." Optik 178 (February 2019): 765–73. http://dx.doi.org/10.1016/j.ijleo.2018.10.066.

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Liu, Chan-Chiung, Yao-Nan Wang, Lung-Ming Fu, and Yu-Han Huang. "Microfluidic paper-based chip platform for formaldehyde concentration detection." Chemical Engineering Journal 332 (January 2018): 695–701. http://dx.doi.org/10.1016/j.cej.2017.09.128.

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Harrill, Joshua A., Logan J. Everett, Derik E. Haggard, et al. "High-Throughput Transcriptomics Platform for Screening Environmental Chemicals." Toxicological Sciences 181, no. 1 (2021): 68–89. http://dx.doi.org/10.1093/toxsci/kfab009.

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Abstract New approach methodologies (NAMs) that efficiently provide information about chemical hazard without using whole animals are needed to accelerate the pace of chemical risk assessments. Technological advancements in gene expression assays have made in vitro high-throughput transcriptomics (HTTr) a feasible option for NAMs-based hazard characterization of environmental chemicals. In this study, we evaluated the Templated Oligo with Sequencing Readout (TempO-Seq) assay for HTTr concentration-response screening of a small set of chemicals in the human-derived MCF7 cell model. Our experime

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Terrens, G. W., and R. D. Tait. "EFFECTS ON THE MARINE ENVIRONMENT OF PRODUCED FORMATION WATER DISCHARGES FROM OFFSHORE DEVELOPMENT IN BASS STRAIT, AUSTRALIA." APPEA Journal 34, no. 1 (1994): 729. http://dx.doi.org/10.1071/aj93053.

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An environmental effects study was undertaken to assess the potential environmental effect of discharged produced formation water from offshore oil and gas platforms in Bass Strait. The focus was on potential effects on the fisheries of Bass Strait. Produced formation water discharged to the ocean from the Halibut platform, one of the largest Australian oil fields and now the most prolific produced formation water field, was modelled for dilution versus distance from the platform. Characterisation of produced formation water from 10 Bass Strait platforms for chemical constituents and toxicity

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Tan, Charles Y., Fred W. Immermann, Shite Sebastian, et al. "Evaluation of a Validated Luminex-Based Multiplex Immunoassay for Measuring Immunoglobulin G Antibodies in Serum to Pneumococcal Capsular Polysaccharides." mSphere 3, no. 4 (2018): e00127-18. http://dx.doi.org/10.1128/msphere.00127-18.

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ABSTRACT This article describes the results of a study designed to bridge the World Health Organization (WHO) pneumococcal enzyme-linked immunosorbent assay (ELISA) platform to the validated Luminex-based 13-plex direct immunoassay (dLIA) platform developed by Pfizer, Inc. Both assay platforms quantify serotype-specific serum IgG antibodies (in micrograms per milliliter) against an international reference standard serum. The primary goal of this study was to determine if the dLIA is a suitable replacement for the ELISA to support clinical vaccine studies that include the evaluation of immune r

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11

Sumriddetchkajorn, Sarun, Kosom Chaitavon, and Yuttana Intaravanne. "Mobile-platform based colorimeter for monitoring chlorine concentration in water." Sensors and Actuators B: Chemical 191 (February 2014): 561–66. http://dx.doi.org/10.1016/j.snb.2013.10.024.

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12

Guzman, John Mello Camille C., Lemmuel L. Tayo, Chan-Chiung Liu, Yao-Nan Wang, and Lung-Ming Fu. "Rapid microfluidic paper-based platform for low concentration formaldehyde detection." Sensors and Actuators B: Chemical 255 (February 2018): 3623–29. http://dx.doi.org/10.1016/j.snb.2017.09.080.

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13

Hwang, Hyundoo, and Je-Kyun Park. "Rapid and selective concentration of microparticles in an optoelectrofluidic platform." Lab Chip 9, no. 2 (2009): 199–206. http://dx.doi.org/10.1039/b811740c.

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14

Stojanović, Goran M., Tijana Kojić, Mitar Simić, et al. "A Functionalized Paper Strip-Based Platform for Rapid Detection of Anticancer Drug Concentrations." Journal of Sensors 2021 (June 10, 2021): 1–11. http://dx.doi.org/10.1155/2021/5558859.

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This article presents a compact, low-cost, robust, and flexible test platform for determining the concentration of drugs in fluids. This device is based on a PVC foil card containing copper conductive foils in which disposable paper test strips are inserted. The paper test strips are overlaid with deposition of multiwalled carbon nanotubes (MWCNTs) acting as a sensing layer. When a paper test strip is inserted into the test card, the conductive path between two copper lines is established. A drop of test fluid on the sensing MWCNT layer changes the conductivity in a concentration-dependent man

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Porkka-Heiskanen, T., S. E. Smith, T. Taira, et al. "Noradrenergic activity in rat brain during rapid eye movement sleep deprivation and rebound sleep." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 268, no. 6 (1995): R1456—R1463. http://dx.doi.org/10.1152/ajpregu.1995.268.6.r1456.

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Noradrenergic locus ceruleus neurons are most active during waking and least active during rapid eye movement (REM) sleep. We expected REM sleep deprivation (REMSD) to increase norepinephrine utilization and activate the tyrosine hydroxylase (TH) gene critical for norepinephrine production. Male Wistar rats were deprived of REM sleep with the platform method. Rats were decapitated after 8, 24, or 72 h on small (REMSD) or large (control) platforms or after 8 or 24 h of rebound sleep after 72 h of the platform treatment. During the first 24 h, norepinephrine concentration, measured by high-perfo

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16

Schneider, Ilka, Paul Stoll, Daniel Haller, and Kerstin Thurow. "Establishment of a Flexible Platform for an Automated Brain-Derived Neurotrophic Factor—ELISA." JALA: Journal of the Association for Laboratory Automation 12, no. 4 (2007): 219–29. http://dx.doi.org/10.1016/j.jala.2007.04.004.

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Enzyme-linked immunosorbent assay (ELISA) is a standard immunoassay to estimate protein concentrations in a variety of samples. An automated ELISA procedure was established that allows the measurement of the concentration of numerous proteins in a small sample volume. The automated ELISA procedure was tested by measuring the concentration of brain-derived neurotrophic factor in serum samples from humans. It was shown that the reproducibility of protein concentrations in three assay plates within one automated run was greater than 92%, within independent automated experiments greater than 96%.

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17

Chen, Jiamin, Yihuang Lin, Rui Gong, Jiming Guo, Xiangxiang Zeng, and Juan Liu. "Embedded Based Miniaturized Universal Electrochemical Sensing Platform." Journal of Sensors 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/1254368.

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We created an embedded sensing platform based on STM32 embedded system, with integrated carbon-electrode ionic sensor by using a self-made plug. Given ration of concentration-unknown nitrate liquid samples, this platform is able to measure the nitrate concentration in neutral environment. Response signals which were transmitted by the sensor can be displayed via a serial port to the computer screen or via Bluetooth to the smartphone. Processed by a fitting function, signals are transformed into related concentration. Through repeating the experiment many times, the accuracy and repeatability t

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18

Chen, Tao, and Lin Wang. "Study on fire risk assessment of offshore platforms." E3S Web of Conferences 261 (2021): 03034. http://dx.doi.org/10.1051/e3sconf/202126103034.

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As a modern infrastructure for offshore oil and gas resources development, offshore platforms have many advantages, such as high efficiency, concentration, flexibility, and repeatability. At the same time, its upper module environment is bad, the equipment is numerous, has the very big risk. In case of fire and explosion and other accidents, it is difficult to get timely rescue. Therefore, fire risk assessment for offshore platform is very necessary. This paper focuses on the research results in the field of fire risk assessment of offshore platforms at home and abroad, points out the shortcom

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19

Guo, Erbao, Henggen Shen, Lei He, and Jiawen Zhang. "Investigation of air pollution of Shanghai subway stations in ventilation seasons in terms of PM2.5 and PM10." Toxicology and Industrial Health 33, no. 7 (2017): 588–600. http://dx.doi.org/10.1177/0748233717693547.

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In November 2015, the PM2.5 and PM10 particulate matter (PM) levels in platforms, station halls, and rail areas of the Shangcheng and Jiashan Road Station were monitored to investigate air pollution in the Shanghai subway system. The results revealed that in subway stations, PM2.5 and PM10 concentrations were significantly higher than those in outdoor environments. In addition, particle concentrations in the platforms exceeded maximum levels that domestic safety standards allowed. Particularly on clear days, PM2.5 and PM10 concentrations in platforms were significantly higher than maximum stan

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20

Hurst, Martin D., Dylan H. Rood, and Michael A. Ellis. "Controls on the distribution of cosmogenic <sup>10</sup>Be across shore platforms." Earth Surface Dynamics 5, no. 1 (2017): 67–84. http://dx.doi.org/10.5194/esurf-5-67-2017.

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Abstract. Quantifying rates of erosion on cliffed coasts across a range of timescales is vital for understanding the drivers and processes of coastal change and for assessing risks posed by future cliff retreat. Historical records cover at best the last 150 years; cosmogenic isotopes, such as 10Be could allow us to look further into the past to assess coastal change on millennial timescales. Cosmogenic isotopes accumulate in situ near the Earth surface and have been used extensively to quantify erosion rates, burial dates and surface exposure ages in terrestrial landscapes over the last 3 deca

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21

Botha, Jaco, Haley R. Pugsley, and Aase Handberg. "Conventional, High-Resolution and Imaging Flow Cytometry: Benchmarking Performance in Characterisation of Extracellular Vesicles." Biomedicines 9, no. 2 (2021): 124. http://dx.doi.org/10.3390/biomedicines9020124.

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Flow cytometry remains a commonly used methodology due to its ability to characterise multiple parameters on single particles in a high-throughput manner. In order to address limitations with lacking sensitivity of conventional flow cytometry to characterise extracellular vesicles (EVs), novel, highly sensitive platforms, such as high-resolution and imaging flow cytometers, have been developed. We provided comparative benchmarks of a conventional FACS Aria III, a high-resolution Apogee A60 Micro-PLUS and the ImageStream X Mk II imaging flow cytometry platform. Nanospheres were used to systemat

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22

Chen, Jinzhi, Brian M. Balgley, Donald L. DeVoe, and Cheng S. Lee. "Capillary Isoelectric Focusing-Based Multidimensional Concentration/Separation Platform for Proteome Analysis." Analytical Chemistry 75, no. 13 (2003): 3145–52. http://dx.doi.org/10.1021/ac034014+.

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23

Dionne, Jason P., Brian Dutra, Kedar C. Chitale, Goutam Ghoshal, Chris Leidel, and Bart Lipkens. "A novel acoustic cell processing platform for cell concentration and washing." Journal of the Acoustical Society of America 141, no. 5 (2017): 3741. http://dx.doi.org/10.1121/1.4988232.

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24

Radovanović, Milan, Dragana Vasiljević, Dejan Krstić, et al. "Flexible sensors platform for determination of cadmium concentration in soil samples." Computers and Electronics in Agriculture 166 (November 2019): 105001. http://dx.doi.org/10.1016/j.compag.2019.105001.

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25

Gernego, Iuliia, Liudmyla Petrenko, Mykhailo Dyba, and Vitalii Tsarov. "Innovative financing of creative projects on the Kickstarter platform: Ukrainian and Polish experience." E3S Web of Conferences 166 (2020): 13019. http://dx.doi.org/10.1051/e3sconf/202016613019.

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In the era of digital economy, the crowdfunding platforms provide the background to mitigate cross-country differences within project financing. In particular, creative projects are important as a vital driver in maintaining business and social sector competitive. Thereby, research problem lays upon the potential of providing crowdfunding support to overcome the creative project divide in different countries. The paper aims to provide scientific support on creative projects innovative financing in Ukraine and Poland within Kickstarter. The research methodology is based on Kickstarter data (10

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26

Kenney, Martin, and John Zysman. "The platform economy: restructuring the space of capitalist accumulation." Cambridge Journal of Regions, Economy and Society 13, no. 1 (2020): 55–76. http://dx.doi.org/10.1093/cjres/rsaa001.

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Abstract The platform economy and its leading firms, such as Amazon, Facebook and Google, are reorganising the geography of value creation and capture on both a local and global scale. This article argues that economic geographers have underappreciated the implications of the platform on space. First, we demonstrate the concentration of platform giants in terms of location on the US West Coast and in terms of their market share in various services, such as search, maps and online sales. Platforms are simultaneously intermediaries, two-sided markets, data aggregators and leading users of artifi

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Staszewski, Tomasz, Małgorzata Malawska, Barbara Studnik-Wójcikowska, Halina Galera, and Bogusław Wiłkomirski. "Soil and plants contamination with selected heavy metals in the area of a railway junction / Zanieczyszczenie gleby i roślin wybranymi metalami ciężkimi na terenie węzła kolejowego." Archives of Environmental Protection 41, no. 1 (2015): 35–42. http://dx.doi.org/10.1515/aep-2015-0005.

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Abstract Heavy metal (As, Mn, Ni, Sn, Ti) concentrations were determined in soil and plant samples collected in different areas of the railway junction Iława Główna, Poland. Soil and plant samples were collected in four functional parts of the junction, i.e. the loading ramp, main track within the platform area, rolling stock cleaning bay and the railway siding. Four plant species occurring in relatively higher abundance were selected for heavy metals analysis, although in the loading ramp and platform areas only one species could be collected in the amount which makes chemical analysis possib

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Yun, Sung-Hun, Ji-Sung Park, Seul-Bit-Na Koo, Chan-Young Park, Yu-Seop Kim, and Jong-Dae Kim. "Cost-Effective Multiplex Real-Time PCR Chip System Using Open Platform Camera." Engineering Proceedings 6, no. 1 (2021): 59. http://dx.doi.org/10.3390/i3s2021dresden-10071.

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This paper proposes a cost-effective real-time multiplexed polymerase chain reaction (PCR) chip system for point-of-care (POC) testing. In the proposed system, nucleic acid amplification is performed in a reaction chamber built on a printed-circuit-board (PCB) substrate with a PCB pattern heater and a thermistor. Fluorescence can be detected through the transparent plastic on the other side of the substrate. Open platform cameras were used for miniaturization and cost-effectiveness. We also used simple and cost-effective oblique lighting to stimulate fluorescence. Response performance was inve

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Samad, Abdul, Anas Maali, Bernd Laquai, and Ulrich Vogt. "Particulate Matter Profiles along the Rack Railway Route Using Low-Cost Sensor." Atmosphere 12, no. 2 (2021): 126. http://dx.doi.org/10.3390/atmos12020126.

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Air pollution due to Particulate Matter (PM) is an increasing concern of global extent. It has been the focus of many research projects worldwide and the latest low-cost technology is offering an ease and cheap way to monitor PM concentration. In this research, a low-cost PM monitoring platform was built with the objectives of evaluating its feasibility and its performance in mobile measurements, as well as characterizing the concentration profiles of PM along the measurement route. The rack railway in Stuttgart was utilized as means of transportation for this low-cost monitoring system with w

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30

Poell, Thomas. "Three Challenges for Media Studies in the Age of Platforms." Television & New Media 21, no. 6 (2020): 650–57. http://dx.doi.org/10.1177/1527476420918833.

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Digital platforms, from Instagram to Spotify, have become central to the production, distribution, and monetization of cultural content. This essay discusses how this process of platformization poses three interrelated challenges for the research on and governance of contemporary cultural industries. First, platformization complicates the question of media concentration, as platform corporations integrate highly diverse businesses, not only hosting and curating media content, but also functioning as advertising networks, data intermediaries, and so on. Second, it thwarts the regulation of medi

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31

Perera, A. T. K., Dinh-Tuan Phan, Sanam Pudasaini, Yu Liu, and Chun Yang. "Enhanced sample pre-concentration by ion concentration polarization on a paraffin coated converging microfluidic paper based analytical platform." Biomicrofluidics 14, no. 1 (2020): 014103. http://dx.doi.org/10.1063/1.5133946.

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32

Ahmed, Husnain, Ghulam Destgeer, Jinsoo Park, et al. "A Pumpless Acoustofluidic Platform for Size-Selective Concentration and Separation of Microparticles." Analytical Chemistry 89, no. 24 (2017): 13575–81. http://dx.doi.org/10.1021/acs.analchem.7b04014.

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33

Yang, Li, Minglin Li, Yanli Qu, Zaili Dong, and Wen J. Li. "Carbon nanotube-sensor-integrated microfluidic platform for real-time chemical concentration detection." ELECTROPHORESIS 30, no. 18 (2009): 3198–205. http://dx.doi.org/10.1002/elps.200900126.

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34

Kambhampati, Patanjali. "Multiexcitons in Semiconductor Nanocrystals: A Platform for Optoelectronics at High Carrier Concentration." Journal of Physical Chemistry Letters 3, no. 9 (2012): 1182–90. http://dx.doi.org/10.1021/jz300239j.

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35

Rozembersky, John J., Bart Lipkens, Chris Leidel, Jason Dionne, and Brian Dutra. "A novel scaleable acoustic cell processing platform for cell concentration and washing." Cytotherapy 19, no. 5 (2017): e17. http://dx.doi.org/10.1016/j.jcyt.2017.03.038.

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Shi, Huanhuan, Zhengli Hou, Yali Zhao, et al. "Rapid and steady concentration gradient generation platform for an antimicrobial susceptibility test." Chemical Engineering Journal 359 (March 2019): 1327–38. http://dx.doi.org/10.1016/j.cej.2018.11.046.

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37

Chao, Philip H., Jeffery Collins, Joseph P. Argus, Wei-Yu Tseng, Jason T. Lee, and R. Michael van Dam. "Automatic concentration and reformulation of PET tracers via microfluidic membrane distillation." Lab on a Chip 17, no. 10 (2017): 1802–16. http://dx.doi.org/10.1039/c6lc01569g.

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38

Stojanović, Goran M., Maja M. Radetić, Zoran V. Šaponjić, et al. "A Textile-Based Microfluidic Platform for the Detection of Cytostatic Drug Concentration in Sweat Samples." Applied Sciences 10, no. 12 (2020): 4392. http://dx.doi.org/10.3390/app10124392.

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This work presents a new multilayered microfluidic platform, manufactured using a rapid and cost-effective xurography technique, for the detection of drug concentrations in sweat. Textile fabrics made of cotton and polyester were used as a component of the platform, and they were positioned in the middle of the microfluidic device. In order to obtain a highly conductive textile, the fabrics were in situ coated with different amounts of polyaniline and titanium dioxide nanocomposite. This portable microfluidic platform comprises at least three layers of optically transparent and flexible PVC fo

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Broussous, Lucile, Kevin Hoarau, Come de Buttet, and Stephane Zoll. "Oxygen Control for Wet Clean Process on Single Wafer Platform." Solid State Phenomena 255 (September 2016): 260–64. http://dx.doi.org/10.4028/www.scientific.net/ssp.255.260.

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Wet processing with low oxygen content may provides some advantages, however, full control to avoid oxygen uptake during wafer processing remains a challenge for short process industrialization on single wafer tool. Inline oxygen concentration monitoring was used for process optimization. Then, cobalt etch in diluted HF solutions was evaluated depending on the recorded oxygen concentration and hardware available options for atmosphere control in the process chamber.

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Takahashi, Hiromi, Takao Yasui, Annop Klamchuen, et al. "Annealed ZnO/Al2O3 Core-Shell Nanowire as a Platform to Capture RNA in Blood Plasma." Nanomaterials 11, no. 7 (2021): 1768. http://dx.doi.org/10.3390/nano11071768.

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RNA analytical platforms gained extensive attention recently for RNA-based molecular analysis. However, the major challenge for analyzing RNAs is their low concentration in blood plasma samples, hindering the use of RNAs for diagnostics. Platforms that can enrich RNAs are essential to enhance molecular detection. Here, we developed the annealed ZnO/Al2O3 core-shell nanowire device as a platform to capture RNAs. We showed that the annealed ZnO/Al2O3 core-shell nanowire could capture RNAs with high efficiency compared to that of other circulating nucleic acids, including genomic DNA (gDNA) and c

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Choi, Siwon, Bumjoo Kim, and Jongyoon Han. "Integrated pretreatment and desalination by electrocoagulation (EC)–ion concentration polarization (ICP) hybrid." Lab on a Chip 17, no. 12 (2017): 2076–84. http://dx.doi.org/10.1039/c7lc00258k.

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Hong, Yong, Su Hyun Han, Jae Jung Lee, Dong Pyo Hong, and Young Moon Kim. "Structural Analysis of Boom System in 42m Aerial Platform Truck." Key Engineering Materials 353-358 (September 2007): 2817–21. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.2817.

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In the study, the development of aerial platform truck of 42m boom system has been completed to be satisfied with working in much higher place. To avoid the rollover accident of vehicles while working, 3D FEA is applied to verify the 3D design, stress concentration, stress distribution, deflection, natural frequencies etc. In these analyses, traction load of Boom System, 700 Kg and traction degree analyzed to 0° ~ 85°. Analysis result, when Boom System's angle is 0°, could know that stress concentration and deflection are obtained to maximum. We could predict that maximum point of Stress conce

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Dzagurova, Nataliya B., and Anna V. Tikhonova. "Regulation of Narrow Price Parity Agreements in Multi-Sided Markets." Journal of Institutional Studies 13, no. 2 (2021): 116–29. http://dx.doi.org/10.17835/2076-6297.2021.13.2.116-129.

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The article discusses the regulatory regime of digital multi-sided markets. It analyzes narrow price parity clauses designed to prevent a showrooming by depriving the supplier of the right to offer lower rates on its own website than on the platform. In recent years, some EC countries have banned such agreements. It was justified by the perceived benefits of increased vertical competition between suppliers and platforms acting as their distributors. The paper considers the interaction between the supplier and a platform like Booking.com, in the presence of narrow price parity clauses and witho

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Zawadzka, Danuta. "DEGREE OF CONCENTRATION OF PIG PRODUCTION IN THE CONTEXT OF TRADING ON THE FOOD PLATFORM." Problems of Agricultural Economics 263, no. 2 (2020): 130–41. http://dx.doi.org/10.30858/zer/120875.

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Kim, Seunggyu, Fahim Masum, Ju-Kang Kim, Hyun Jung Chung, and Jessie S. Jeon. "On-chip phenotypic investigation of combinatory antibiotic effects by generating orthogonal concentration gradients." Lab on a Chip 19, no. 6 (2019): 959–73. http://dx.doi.org/10.1039/c8lc01406j.

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Lim, J. M., J. H. Jeong, B. W. Jung, et al. "Characteristics of the elemental compositions of particulate matter at a subway platform using INAA and XRF." Proceedings in Radiochemistry 1, no. 1 (2011): 313–18. http://dx.doi.org/10.1524/rcpr.2011.0054.

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Abstract In this study, a total of 21 elements were determined from PM2.5 and PM10 samples collected at one subway station using INAA and XRF. In order to assess the pollution status and distribution characteristics in a subway station, the absolute concentration levels, concentration ratios, and crustal enrichment factors of these elements were analyzed. PM2.5 concentrations in the subway station varied in the range of 24.8 to 72.6 μg m−3 (average ± standard deviation: 42.6 ± 10.6 μg m−3), while those of PM10 from 38.0 to 101 μg m−3 (67.2 ± 15.5 μg m−3). The relative contribution of elemental

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Wang, Yuye, Shiyue Liu, Tiankai Zhang, et al. "A centrifugal microfluidic pressure regulator scheme for continuous concentration control in droplet-based microreactors." Lab on a Chip 19, no. 22 (2019): 3870–79. http://dx.doi.org/10.1039/c9lc00631a.

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Treviño, Leonel Corona. "Concentration of Income in the Service Sharing Economy: Service Platform Cases in Mexico." Journal of Business and Economics 9, no. 7 (2018): 616–26. http://dx.doi.org/10.15341/jbe(2155-7950)/07.09.2018/005.

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Abstract:

The objective of this paper is to propose an economic approach to analyse the concentration of income through platform firms, the marketplace linking users (customer/client) and providers within production through app developers and devices owners. It is important to identify the actors that put the assets into play by looking mainly at: 1) at transaction costs, 2) the externalities (network effects), and 3) the effects on the concentration-distribution of incomes. A selection of 19-service platform firms in Mexico in transportation and crowdfunding are analysed considering their fees, market

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Wang, Jian-Neng. "A Microfluidic Long-Period Fiber Grating Sensor Platform for Chloride Ion Concentration Measurement." Sensors 11, no. 9 (2011): 8550–68. http://dx.doi.org/10.3390/s110908550.

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IANG, Zhankun, and Peng BAI. "Overhead Concentration Platform of Total Withdrawal Operation in Cyclic Total Reflux Batch Distillation." Chinese Journal of Chemical Engineering 19, no. 4 (2011): 598–602. http://dx.doi.org/10.1016/s1004-9541(11)60028-1.

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