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Journal articles on the topic 'ISWEC'

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Author: Grafiati

Published: 14 March 2023

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1

Sirigu, Sergej A., Giacomo Vissio, Giovanni Bracco, Ermanno Giorcelli, Biagio Passione, Mattia Raffero, and Giuliana Mattiazzo. "ISWEC design tool." International Journal of Marine Energy 15 (September 2016): 201–13. http://dx.doi.org/10.1016/j.ijome.2016.04.011.

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2

Raffero, Mattia, Michele Martini, Biagio Passione, Giuliana Mattiazzo, Ermanno Giorcelli, and Giovanni Bracco. "Stochastic Control of Inertial Sea Wave Energy Converter." Scientific World Journal 2015 (2015): 1–14. http://dx.doi.org/10.1155/2015/980613.

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The ISWEC (inertial sea wave energy converter) is presented, its control problems are stated, and an optimal control strategy is introduced. As the aim of the device is energy conversion, the mean absorbed power by ISWEC is calculated for a plane 2D irregular sea state. The response of the WEC (wave energy converter) is driven by the sea-surface elevation, which is modeled by a stationary and homogeneous zero mean Gaussian stochastic process. System equations are linearized thus simplifying the numerical model of the device. The resulting response is obtained as the output of the coupled mechanic-hydrodynamic model of the device. A stochastic suboptimal controller, derived from optimal control theory, is defined and applied to ISWEC. Results of this approach have been compared with the ones obtained with a linear spring-damper controller, highlighting the capability to obtain a higher value of mean extracted power despite higher power peaks.

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3

Vissio, Giacomo, Duarte Valério, Giovanni Bracco, Pedro Beirão, Nicola Pozzi, and Giuliana Mattiazzo. "ISWEC linear quadratic regulator oscillating control." Renewable Energy 103 (April 2017): 372–82. http://dx.doi.org/10.1016/j.renene.2016.11.046.

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4

Bonfanti, Mauro, and Giuseppe Giorgi. "Improving Computational Efficiency in WEC Design: Spectral-Domain Modelling in Techno-Economic Optimization." Journal of Marine Science and Engineering 10, no. 10 (October 10, 2022): 1468. http://dx.doi.org/10.3390/jmse10101468.

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Wave energy converter (WEC) optimization often underlines incremental and iterative approaches that result in suboptimal solutions, since all the elements that concur with a techno-economical evaluation are optimized separately due to computation constraints. A design process should rely on precise WEC models to ensure high result accuracy while minimizing the computational demand. These conflicting objectives can be addressed with non-linear time-domain models, known to be numerically accurate, and frequency-domain models due to their high computational efficiency. This work pursues the development of an all-encompassing optimization tool for a gyroscopic-type WEC called ISWEC that applies a new modelling technique named spectral-domain technique as a substitution to the complex time-domain model previously employed. In particular, the spectral-domain technique provides accurate and fast performance predictions of the ISWEC system and offers the possibility to model a hydraulic power take-off, not representable in the frequency domain. The article illustrates techno-economic trends associated with an early-stage design of the ISWEC in high-energy sea-sites, where the low-speed and high-torque profiles call for the use of hydraulic transmissions as opposed to the old electro-mechanical transmissions. The design tool proposed could facilitate the development of WEC technologies via efficient and accurate power assessment and via the possibility of carrying out advanced techno-economic optimisation that goes beyond linear models.

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5

Pozzi, Nicola, Mauro Bonfanti, and Giuliana Mattiazzo. "Mathematical Modeling and Scaling of the Friction Losses of a Mechanical Gyroscope." International Journal of Applied Mechanics 10, no. 03 (April 2018): 1850024. http://dx.doi.org/10.1142/s1758825118500242.

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Friction is a complicated phenomenon that plays a central role in a wide variety of physical systems. An accurate modeling of the friction forces is required in the model-based design approach, especially when the efficiency optimization and system controllability are the core of the design. In this work, a gyroscopic unit is considered as case study: the flywheel rotation is affected by different friction sources that needs to be compensated by the flywheel motor. An accurate modeling of the dissipations can be useful for the system efficiency optimization. According to the inertial sea wave energy converter (ISWEC) gyroscope layout, friction forces are modeled and their dependency with respect to the various physical quantities involved is examined. The mathematical model of friction forces is validated against the experimental data acquired during the laboratory testing of the ISWEC gyroscope. Moreover, in the wave energy field, it is common to work with scale prototypes during the full-scale device development. For this reason, the scale effect on dissipations has been correlated based on the Froude scaling law, which is commonly used for wave energy converter scaling. Moreover, a mixed Froude–Reynolds scaling law is taken into account, in order to maintain the scale of the fluid-dynamic losses due to flywheel rotation. The analytical study is accompanied by a series of simulations based on the properties of the ISWEC full-scale gyroscope.

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6

Bracco, Giovanni, Ermanno Giorcelli, Giuliana Mattiazzo, Michele Pastorelli, and Mattia Raffero. "Control of an ISWEC Wave Energy Harvest System." IEICE Proceeding Series 2 (March 17, 2014): 166–69. http://dx.doi.org/10.15248/proc.2.166.

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7

Bracco, Giovanni, Ermanno Giorcelli, and Giuliana Mattiazzo. "ISWEC: A gyroscopic mechanism for wave power exploitation." Mechanism and Machine Theory 46, no. 10 (October 2011): 1411–24. http://dx.doi.org/10.1016/j.mechmachtheory.2011.05.012.

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8

Bracco, Giovanni, Andrea Cagninei, Ermanno Giorcelli, Giuliana Mattiazzo, Davide Poggi, and Mattia Raffero. "Experimental validation of the ISWEC wave to PTO model." Ocean Engineering 120 (July 2016): 40–51. http://dx.doi.org/10.1016/j.oceaneng.2016.05.006.

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9

Sirigu, Sergej Antonello, Mauro Bonfanti, Ermina Begovic, Carlo Bertorello, Panagiotis Dafnakis, Giuseppe Giorgi, Giovanni Bracco, and Giuliana Mattiazzo. "Experimental Investigation of the Mooring System of a Wave Energy Converter in Operating and Extreme Wave Conditions." Journal of Marine Science and Engineering 8, no. 3 (March 7, 2020): 180. http://dx.doi.org/10.3390/jmse8030180.

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A proper design of the mooring systems for Wave Energy Converters (WECs) requires an accurate investigation of both operating and extreme wave conditions. A careful analysis of these systems is required to design a mooring configuration that ensures station keeping, reliability, maintainability, and low costs, without affecting the WEC dynamics. In this context, an experimental campaign on a 1:20 scaled prototype of the ISWEC (Inertial Sea Wave Energy Converter), focusing on the influence of the mooring layout on loads in extreme wave conditions, is presented and discussed. Two mooring configurations composed of multiple slack catenaries with sub-surface buoys, with or without clump-weights, have been designed and investigated experimentally. Tests in regular, irregular, and extreme waves for a moored model of the ISWEC device have been performed at the University of Naples Federico II. The aim is to identify a mooring solution that could guarantee both correct operation of the device and load carrying in extreme sea conditions. Pitch motion and loads in the rotational joint have been considered as indicators of the device hydrodynamic behavior and mooring configuration impact on the WEC.

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10

Faedo, Nicolás, Yerai Peña-Sanchez, and John V. Ringwood. "Moment-Matching-Based Identification of Wave Energy Converters: the ISWEC Device." IFAC-PapersOnLine 51, no. 29 (2018): 189–94. http://dx.doi.org/10.1016/j.ifacol.2018.09.491.

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11

Bonfanti, Mauro, Andrew Hillis, Sergej Antonello Sirigu, Panagiotis Dafnakis, Giovanni Bracco, Giuliana Mattiazzo, and Andrew Plummer. "Real-Time Wave Excitation Forces Estimation: An Application on the ISWEC Device." Journal of Marine Science and Engineering 8, no. 10 (October 21, 2020): 825. http://dx.doi.org/10.3390/jmse8100825.

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Optimal control strategies represent a widespread solution to increase the extracted energy of a Wave Energy Converter (WEC). The aim is to bring the WEC into resonance enhancing the produced power without compromising its reliability and durability. Most of the control algorithms proposed in literature require for the knowledge of the Wave Excitation Force (WEF) generated from the incoming wave field. In practice, WEFs are unknown, and an estimate must be used. This paper investigates the WEF estimation of a non-linear WEC. A model-based and a model-free approach are proposed. First, a Kalman Filter (KF) is implemented considering the WEC linear model and the WEF modelled as an unknown state to be estimated. Second, a feedforward Neural Network (NN) is applied to map the WEC dynamics to the WEF by training the network through a supervised learning algorithm. Both methods are tested for a wide range of irregular sea-states showing promising results in terms of estimation accuracy. Sensitivity and robustness analyses are performed to investigate the estimation error in presence of un-modelled phenomena, model errors and measurement noise.

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12

Pereira, Nuno Miguel Antunes, Duarte Pedro Mata de Oliveira Valério, and Pedro Jorge Borges Fontes Negrão Beirão. "ISWEC Devices on a Wave Farm Handled by a Multi-Agent System." Applied Ocean Research 111 (June 2021): 102659. http://dx.doi.org/10.1016/j.apor.2021.102659.

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13

Sirigu, Antonello Sergej, Federico Gallizio, Giuseppe Giorgi, Mauro Bonfanti, Giovanni Bracco, and Giuliana Mattiazzo. "Numerical and Experimental Identification of the Aerodynamic Power Losses of the ISWEC." Journal of Marine Science and Engineering 8, no. 1 (January 16, 2020): 49. http://dx.doi.org/10.3390/jmse8010049.

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The wave energy sector is experiencing lively years of conceptual innovation and technological advances. Among the great variety of candidates, only a few are going to be able to reach maturity and, eventually, industrial feasibility and competitiveness. The essential requisite for success is the continuous innovation in response to the incremental experience gained during the design and prototyping stages. In particular, the ability to generate detailed mathematical models, representative of every phenomenon involved in the system, is crucial for informing the design and control stages, allowing to maximize productivity while minimizing costs, and inspiring technological breakthrough and innovation. This papers considers the case of the ISWEC (Inertial Sea Wave Energy Converter), where a technological leap is tightly linked with the modelling of aerodynamic losses around its spinning flywheel, the core of the energy conversion chain. Two mathematical models of increasing complexity are considered, one semi-empiric and one based on computational fluid dynamics, which are successfully validated against experimental data. Such models are used to quantify the benefits of a technological innovation consisting of enclosing the flywheel in a sealed container, allowing pressure regulation to reduce aerodynamic friction. Compared to the free configuration, power losses with the enclosed configuration are about half already at atmospheric pressure, and about one third at half the atmospheric pressure.

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14

Bracco, Giovanni, Ermanno Giorcelli, Giuliana Mattiazzo, Vincenzo Orlando, and Mattia Raffero. "Hardware-In-the-Loop test rig for the ISWEC wave energy system." Mechatronics 25 (February 2015): 11–17. http://dx.doi.org/10.1016/j.mechatronics.2014.10.007.

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15

Khedkar, Kaustubh, Nishant Nangia, Ramakrishnan Thirumalaisamy, and Amneet Pal Singh Bhalla. "The inertial sea wave energy converter (ISWEC) technology: Device-physics, multiphase modeling and simulations." Ocean Engineering 229 (June 2021): 108879. http://dx.doi.org/10.1016/j.oceaneng.2021.108879.

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16

Carapellese, Fabio, Edoardo Pasta, Nicolás Faedo, and Giuseppe Giorgi. "Dynamic analysis and performance assessment of the Inertial Sea Wave Energy Converter (ISWEC) device via harmonic balance." IFAC-PapersOnLine 55, no. 31 (2022): 439–44. http://dx.doi.org/10.1016/j.ifacol.2022.10.467.

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17

Borfecchia, Flavio, Carla Micheli, Luigi De Cecco, Gianmaria Sannino, Maria Vittoria Struglia, Alcide Giorgio Di Sarra, Carlo Gomez, and Giuliana Mattiazzo. "Satellite Multi/Hyper Spectral HR Sensors for Mapping the Posidonia oceanica in South Mediterranean Islands." Sustainability 13, no. 24 (December 12, 2021): 13715. http://dx.doi.org/10.3390/su132413715.

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The Mediterranean basin is a hot spot of climate change where the Posidonia oceanica (L.) Delile (PO) and other seagrasses are under stress due to its effect on marine coastal habitats and the rising influence of anthropogenic activities (i.e., tourism, fishery). The PO and seabed ecosystems, in the coastal environments of Pantelleria and Lampedusa, suffer additional growing impacts from tourism in synergy with specific stress factors due to increasing vessel traffic for supplying potable water and fossil fuels for electrical power generation. Earth Observation (EO) data, provided by high resolution (HR) multi/hyperspectral operative satellite sensors of the last generation (i.e., Sentinel 2 MSI and PRISMA) have been successfully tested, using innovative calibration and sea truth collecting methods, for monitoring and mapping of PO meadows under stress, in the coastal waters of these islands, located in the Sicily Channel, to better support the sustainable management of these vulnerable ecosystems. The area of interest in Pantelleria was where the first prototype of the Italian Inertial Sea Wave Energy Converter (ISWEC) for renewable energy production was installed in 2015, and sea truth campaigns on the PO meadows were conducted. The PO of Lampedusa coastal areas, impacted by ship traffic linked to the previous factors and tropicalization effects of Italy’s southernmost climate change transitional zone, was mapped through a multi/hyper spectral EO-based approach, using training/testing data provided by side scan sonar data, previously acquired. Some advanced machine learning algorithms (MLA) were successfully evaluated with different supervised regression/classification models to map seabed and PO meadow classes and related Leaf Area Index (LAI) distributions in the areas of interest, using multi/hyperspectral data atmospherically corrected via different advanced approaches.

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18

Zhang, Yi, Yi Qin, Michael Chopp, Chao Li, Amy Kemper, Xianshuang Liu, Xinli Wang, Li Zhang, and Zheng Gang Zhang. "Ischemic Cerebral Endothelial Cell–Derived Exosomes Promote Axonal Growth." Stroke 51, no. 12 (December 2020): 3701–12. http://dx.doi.org/10.1161/strokeaha.120.031728.

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Background and Purpose: Cerebral endothelial cells (CECs) and axons of neurons interact to maintain vascular and neuronal homeostasis and axonal remodeling in normal and ischemic brain, respectively. However, the role of exosomes in the interaction of CECs and axons in brain under normal conditions and after stroke is unknown. Methods: Exosomes were isolated from CECs of nonischemic rats and is chemic rats (nCEC-exos and isCEC-exos), respectively. A multicompartmental cell culture system was used to separate axons from neuronal cell bodies. Results: Axonal application of nCEC-exos promotes axonal growth of cortical neurons, whereas isCEC-exos further enhance axonal growth than nCEC-exos. Ultrastructural analysis revealed that CEC-exos applied into distal axons were internalized by axons and reached to their parent somata. Bioinformatic analysis revealed that both nCEC-exos and isCEC-exos contain abundant mature miRNAs; however, isCEC-exos exhibit more robust elevation of select miRNAs than nCEC-exos. Mechanistically, axonal application of nCEC-exos and isCEC-exos significantly elevated miRNAs and reduced proteins in distal axons and their parent somata that are involved in inhibiting axonal outgrowth. Blockage of axonal transport suppressed isCEC-exo–altered miRNAs and proteins in somata but not in distal axons. Conclusions: nCEC-exos and isCEC-exos facilitate axonal growth by altering miRNAs and their target protein profiles in recipient neurons.

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19

Lu, Shanlong, Jin Ma, Xiaoqi Ma, Hailong Tang, Hongli Zhao, and Muhammad Hasan Ali Baig. "Time series of the Inland Surface Water Dataset in China (ISWDC) for 2000–2016 derived from MODIS archives." Earth System Science Data 11, no. 3 (July 26, 2019): 1099–108. http://dx.doi.org/10.5194/essd-11-1099-2019.

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Abstract. The moderate spatial resolution and high temporal resolution of MODIS imagery make it an ideal resource for time series surface water monitoring and mapping. We used MODIS MOD09Q1 surface reflectance archive images to create an Inland Surface Water Dataset in China (ISWDC), which maps water bodies larger than 0.0625 km2 within the land mass of China for the period 2000–2016, with 8 d temporal and 250 m spatial resolution. We assessed the accuracy of the ISWDC by comparing it with the national land cover derived surface water data and global surface water (GSW) data. The results show that the ISWDC is closely correlated with the national reference data with coefficient of determination (R2) greater than 0.99 in 2000, 2005, and 2010, while the ISWDC possesses very good consistency, very similar change dynamics, and similar spatial patterns in different regions with the GSW dataset. The ISWDC dataset can be used for studies on the inter-annual and seasonal variation of the surface water systems. It can also be used as reference data for verification of the other surface water dataset and as an input parameter for regional and global hydro-climatic models. The ISWDC data are available at: https://doi.org/10.5281/zenodo.2616035.

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20

Mahmoudi, Hacene, Nachida Kasbadji Merzouk, and Nawel Spahis. "ISWEE’11 Foreword." Procedia Engineering 33 (2012): 1–2. http://dx.doi.org/10.1016/j.proeng.2012.01.1169.

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21

Plotz, Thomas, Jennifer Healey, Kristof Van Laerhoven, Oliver Amft, and Kristof Van Laerhoven. "ISWC 2020." IEEE Pervasive Computing 20, no. 1 (January 1, 2021): 45–49. http://dx.doi.org/10.1109/mprv.2020.3044119.

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22

Lloyd, P. J. "ISEC '88." Minerals Engineering 1, no. 4 (January 1988): 377–78. http://dx.doi.org/10.1016/0892-6875(88)90032-5.

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23

Papadimitriou, Alexandros G. "ISLEC: An Interactive Learning Scenario Framework." International Journal of Computer Science Education in Schools 1, no. 3 (July 27, 2017): 3–22. http://dx.doi.org/10.21585/ijcses.v1i3.11.

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This paper presents an innovative interactive scenario framework called ISLEC for the learning of electrical circuits by high school students or beginners of higher education. This framework aims to develop investigative, critical, creative, and decision making skills by trainees, as well as aims to tackling and resolving misunderstandings and learning difficulties.During of each section of ISLEC, the student teams through inquiry-based simulations discover electrical principles by comparing a known to an unknown electric circuit for similarities and differences, and make and verify predictions. Making use of the inductive reasoning, they come to conclusions and generalizations. The ISLEC was evaluated by students of civil engineering of the School of Pedagogical and Technological Education of Athens and, except other things, it was considered by them as useful and usable.Â

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24

Bedogni, Giorgio, Andrea Mari, Alessandra De Col, Sofia Tamini, Amalia Gastaldelli, and Alessandro Sartorio. "Association of serum lipids with β-cell function in obese children and adolescents." Endocrine Connections 8, no. 10 (October 2019): 1318–23. http://dx.doi.org/10.1530/ec-19-0333.

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Few data are available on the association between serum lipids and insulin secretion (ISEC) in children. We evaluated the association of triglycerides (TG), HDL cholesterol (HDL-C) and LDL cholesterol (LDL-C) with ISEC in 1150 non-diabetic obese children and adolescents using multivariable robust median regression. The following models were employed: (1) IGI or incAUCR as the ISEC response variable; (2) QUICKI, OGIS, the Stumvoll index or the Matsuda insulin sensitivity index as the insulin sensitivity (ISEN) predictor; (3) TG, HDL-C and LDL-C as the predictors of interest; (4) 120-min glucose, age, sex and body mass index as confounders. LDL-C and TG were not associated with ISEC in any model. In three out of four IGI models, an increase of 1 interquartile range (IQR) of HDL-C was associated with a decrease of median incAUCR ranging from −9 (robust 95% CI −17 to −2) to −8 (−14 to −1) pmol/mmol. In two out of four incAUCR models, an increase of 1 IQR of HDL-C was associated with a decrease of median IGI ranging from −8 (−15 to −1) to −7 (−11 to −2) pmol/mmol. TG and LDL-C are not associated and HDL-C is inversely associated with ISEC in obese children and adolescents.

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25

Mutchler, Leigh A. "Response awareness and instructional self-efficacy: influences on intent." Information & Computer Security 27, no. 4 (September 25, 2019): 489–507. http://dx.doi.org/10.1108/ics-05-2018-0061.

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Purpose This paper aims to examine the influence of response awareness on behavioral intent, and introduces instructional self-efficacy, a construct rarely examined within the context of information security (ISec). Design/methodology/approach A Web-based survey was conducted and a total of 211 valid responses were analyzed. The relationships among response awareness, instructional self-efficacy and behavioral intent were examined through a three-phase structural equation modeling analysis. Findings The results indicate that even at low levels, response awareness has a strong influential effect on the behavioral intent to perform the secure response and on the self-efficacy to instruct others to perform the response. Instructional self-efficacy was also found to be a significant predictor of behavioral intent to perform the response. Finally, evidence was found indicating instructional self-efficacy fully mediates the response awareness to the behavioral intent relationship. Research limitations/implications Because of the characteristics of the population, the focus on a single ISec response and the dependent variable of behavioral intent rather than actual behavior, the generalizability of the findings is impacted. Practical implications The results contribute to practice by confirming the importance of response awareness and of instructional self-efficacy within an ISec context. Specific implications include the indication that informal communications about ISec issues among peers should be encouraged and that instructional self-efficacy should be targeted within ISec awareness training programs. Originality/value This paper’s parsimonious model defined response awareness as vicarious experience with a response and presented instructional self-efficacy, a construct novel to ISec studies that was found to be a significant influence within the relationship between response awareness and behavioral intent.

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26

Ali, Syed Emad Azhar, Fong-Woon Lai, Rohail Hassan, and Muhammad Kashif Shad. "The Long-Run Impact of Information Security Breach Announcements on Investors’ Confidence: The Context of Efficient Market Hypothesis." Sustainability 13, no. 3 (January 21, 2021): 1066. http://dx.doi.org/10.3390/su13031066.

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Information and communication technologies (ICTs) are the cornerstone for sustainable development, but if they are not appropriately managed, they will impede progress towards the United Nations Global Sustainable Development Goals. Among undesirable impacts, emphasis must be put on the risk of information security (ISec) breaches, as they pose a potential threat to businesses there. Especially for publicly traded firms, they could create a long-lasting influence on their financial performance and, thus, stock investors’ confidence. Following the efficient market hypothesis’s footsteps, previous studies have examined only the short-run impact on investors’ confidence ensuing to ISec breach announcements. Therefore, this study investigates the long-run impact of ISec breach announcements on investors’ confidence. Based on a sample of 73 ISec breach announcements during 2011–2019, this paper examines the impact on investors’ confidence, as demonstrated by long-run abnormal returns and equity risk of those firms. Using a one-to-one matched sampling approach, each firm’s performance is analyzed with its control firm over eighteen months, starting six months before the announcement, through twelve months after the announcement. Firms experienced a significant negative abnormal return of 15% to 18% during the twelve months following the breach announcement. In comparison, equity risk increased by 11% within six months before and after an announcement. This study can help investors, managers, and researchers better understand a long-term relationship between ISec breaches and investor confidence in the context of efficient market hypothesis.

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27

Martin, Tom, Thad Starner, Dan Siewiorek, Kai Kunze, Kristof Van Laerhoven, Oliver Amft, and Kristof Van Laerhoven. "25 Years of ISWC." IEEE Pervasive Computing 20, no. 3 (July 1, 2021): 72–78. http://dx.doi.org/10.1109/mprv.2021.3094898.

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28

Smith, Mark T., and Daniel Ashbrook. "ISWC 2012 best papers." Personal and Ubiquitous Computing 18, no. 1 (February 23, 2013): 189. http://dx.doi.org/10.1007/s00779-013-0639-1.

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29

Flor-Torres, L. M., R. Coziol, K. P. Schröder, D. Jack, J. H. M. M. Schmitt, and S. Blanco-Cuaresma. "CONNECTING THE FORMATION OF STARS AND PLANETS. I – SPECTROSCOPIC CHARACTERIZATION OF HOST STARS WITH TIGRE." Revista Mexicana de Astronomía y Astrofísica 57, no. 1 (April 1, 2021): 199–216. http://dx.doi.org/10.22201/ia.01851101p.2021.57.01.15.

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In search for a connection between the formation of stars and the formation of planets, a new semi-automatic spectral analysis method using iSpec was developed for the TIGRE telescope installed in Guanajuato, Mexico. TIGRE is a 1.2m robotic telescope, equipped with an Echelle spectrograph (HEROS), with a resolution R ≃ 20000. iSpec is a synthetic spectral fitting program for stars that allows to determine in an homogeneous way their fundamental parameters: effective temperature, Teff, surface gravity, log g, metallicities, [M/H] and [Fe/H], and rotational velocity, V sin i. In this first article we test our method by analysing the spectra of 46 stars, hosts of exoplanets, obtained with the TIGRE.

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30

Noll, Braxton D., Alexandre Grdzelishvili, Michael T. Brennan, Farah Bahrani Mougeot, and Jean-Luc C. Mougeot. "Immortalization of Salivary Gland Epithelial Cells of Xerostomic Patients: Establishment and Characterization of Novel Cell Lines." Journal of Clinical Medicine 9, no. 12 (November 25, 2020): 3820. http://dx.doi.org/10.3390/jcm9123820.

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Primary Sjögren’s Syndrome (pSS) is an autoimmune disease mainly affecting salivary and lacrimal glands. Previous pSS studies have relied on primary cell culture models or cancer cell lines with limited relevance to the disease. Our objective was to generate and characterize immortalized salivary gland epithelial cells (iSGECs) derived from labial salivary gland (LSG) biopsies of pSS patients (focus score > 1) and non-Sjögren’s Syndrome (nSS) xerostomic (i.e., sicca) female patients. To characterize iSGECs (n = 3), mRNA expression of specific epithelial and acinar cell markers was quantified by qRT-PCR. Protein expression of characterization markers was determined by immunocytochemistry and Western blot. Secretion of α-amylase by iSGECs was confirmed through colorimetric activity assay. Spheroid formation and associated alterations in expression markers were determined using matrigel-coated cell culture plates. Consistent mRNA and protein expressions of both epithelial and pro-acinar cell markers were observed in all three iSGEC lines. When cultured on matrigel medium, iSGECs formed spheroids, secreted α-amylase after β-adrenergic stimulation, and expressed multiple acinar cell markers at late passages. One iSGEC line retained adequate cell morphology without a loss of SV40Lt expression and proliferation potential after over 100 passages. In conclusion, our established iSGEC lines represent a viable model for salivary research due to their passaging capacity and maintenance of pro-acinar cell characteristics.

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31

Kitamura, Fusao. "11th ISEC & 1st SJBSEC." Review of Polarography 53, no. 2 (2008): 93–95. http://dx.doi.org/10.5189/revpolarography.53.93.

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32

Gatica-Perez, Daniel, Daniel Roggen, and Masaaki Fukumoto. "Theme issue from ISWC 2013." Personal and Ubiquitous Computing 19, no. 1 (September 12, 2014): 103–4. http://dx.doi.org/10.1007/s00779-014-0814-z.

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33

Kawai, Tomoji, and Elton N. Kaufmann. "ISTEC, MRS Hold Superconductivity Workshop in Hawaii." MRS Bulletin 17, no. 11 (November 1992): 68–69. http://dx.doi.org/10.1557/s0883769400046716.

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34

Goodman, Erik D. "A Word from the Chair of ISGEC." Genetic Programming and Evolvable Machines 5, no. 1 (March 2004): 9. http://dx.doi.org/10.1023/b:genp.0000017052.83908.eb.

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35

Krek, Wilhelm. "ISREC Conference ‘Cancer and the Cell Cycle’." Biochimica et Biophysica Acta (BBA) - Reviews on Cancer 1470, no. 2 (March 2000): R29—R34. http://dx.doi.org/10.1016/s0304-419x(99)00038-4.

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36

SEKINE, Tatsuya. "International Solvent Extraction Conference-ISEC'90." Analytical Sciences 6, no. 5 (1990): 633. http://dx.doi.org/10.2116/analsci.6.633.

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Robinson, Reviewed by David J. "International Solvent Extraction Conference - ISEC 2008." Platinum Metals Review 53, no. 2 (April 1, 2009): 100–103. http://dx.doi.org/10.1595/147106709x439522.

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38

Braginski, Alex I. "ISEC 2003—reflections on the conference." Superconductor Science and Technology 16, no. 12 (October 31, 2003): 1315–19. http://dx.doi.org/10.1088/0953-2048/16/12/001.

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MATSUMOTO, Shiro. "International Solvent Extraction Conference ISEC ′90." Journal of Nuclear Science and Technology 27, no. 11 (November 1990): 1075–78. http://dx.doi.org/10.1080/18811248.1990.9731295.

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Lin, Baode, Zhenwei Geng, and Fengrong Yu. "Information Security Protection of Internet of Energy Using Ensemble Public Key Algorithm under Big Data." Journal of Electrical and Computer Engineering 2023 (February 17, 2023): 1–10. http://dx.doi.org/10.1155/2023/6853902.

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This work aims to solve the specific problem in the Power Internet of Things (PIoT). PIoT is vulnerable to monitoring, tampering, forgery, and other attacks during frequent data interaction under the background of big data, leading to a severe threat to the power grid’s Information Security (ISEC). Cryptosystems can solve ISEC problems, such as confidentiality, data integrity, authentication, identity recognition, data control, and nonrepudiation. Thereupon, this work expounds on cryptography from public-key encryption and digital signature and puts forward the model of network information attack. Then, the security of the two cryptograms is certified against the two cyberattack modes. On this basis, an Identity-based Combined Encryption and Signature (IBCES) ensemble scheme is proposed by combining public-key encryption with the digital signature. Finally, the security of the proposed IBCES’s encryption and the signature schemes is verified, and the results prove their feasibility. The results show that the proposed IBCEs are effective and feasible, fully meeting the information confidentiality requirements. Additionally, smart grid against Information Security (ISEC) algorithms must comprehensively consider network resources and computing power. This work creatively combines the two cryptosystems. The proposal breaks the traditional key segmentation principle by applying the same key to different cryptosystems and ensures the independent security of the two cryptosystems. The conclusion provides technical support for future research on cryptography.

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Vosegaard, Thomas. "iSpec: A Web-Based Activity for Spectroscopy Teaching." Journal of Chemical Education 95, no. 1 (November 14, 2017): 97–103. http://dx.doi.org/10.1021/acs.jchemed.7b00482.

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Szadkowski, Jan, and Dominika Szadkowska. "The Analysis of the distribution of available mesopores in cellulosic pulp, using Inverse Size Exclusion Chromatography-ISEC." Annals of WULS, Forestry and Wood Technology 109 (March 31, 2020): 103–8. http://dx.doi.org/10.5604/01.3001.0014.3418.

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The Analysis of the distribution of available mesopores in cellulosic pulp, using Inverse Size Exclusion. Chromatography-ISEC The aim of the presented research was to determine available mesopores in cellulose masses obtained by industrial methods. Cellulose masses obtained from fast-growing poplar species (Populus sp.) can be used in the production of biofuels of the second generation. One of the factors influencing the effectiveness of hydrolysis is the availability of pores in the material for acids and enzymes used during this process. For this purpose the reverse spatial exclusion chromatography (ISEC) with the use of dextran standards and selected sugars was applied to verify the distribution of available mesopores in cellulose masses. The analysis showed the material with the highest share of available pores, the selection of which will allow to increase the efficiency and profitability of biofuel production from lignocellulosic materials.

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國廣, 昇. "情報セキュリティ研究会（ISEC）." IEICE ESS Fundamentals Review 16, no. 1 (July 1, 2022): 26. http://dx.doi.org/10.1587/essfr.16.1_26.

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伊豆, 哲也. "情報セキュリティ研究会（ISEC）." IEICE ESS Fundamentals Review 15, no. 1 (July 1, 2021): 48. http://dx.doi.org/10.1587/essfr.15.1_48.

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NAKANO, Manabu. "“IPA/ISEC Interim Report of Biometric Security”." Journal of Information Processing and Management 50, no. 4 (2007): 227–33. http://dx.doi.org/10.1241/johokanri.50.227.

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Ashbrook, Daniel. "What's New in Wearable Computing: ISWC 2012." IEEE Pervasive Computing 11, no. 4 (October 2012): 78–80. http://dx.doi.org/10.1109/mprv.2012.80.

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Roggen, Daniel, Daniel Gatica Perez, Masaaki Fukumoto, and Kristof van Laerhoven. "ISWC 2013--Wearables Are Here to Stay." IEEE Pervasive Computing 13, no. 1 (2014): 14–18. http://dx.doi.org/10.1109/mprv.2014.11.

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Ploetz, Thomas, and Jennifer Healey. "ISWC 2017: Riding the Waves of Wearables." IEEE Pervasive Computing 17, no. 2 (April 2018): 78–83. http://dx.doi.org/10.1109/mprv.2018.022511248.

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Rogalla, Horst. "2011 Superconductivity Centennial Conference – EUCAS–ISEC–ICMC." Physica C: Superconductivity and its Applications 482 (November 2012): 1–5. http://dx.doi.org/10.1016/j.physc.2012.08.004.

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Randell, Cliff, Roy Want, Kent Lyons, and Asim Smailagic. "International Symposium on Wearable Computing (ISWC) 2008." IEEE Pervasive Computing 8, no. 1 (January 2009): 14–17. http://dx.doi.org/10.1109/mprv.2009.9.

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