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Journal articles on the topic 'Fluid mosaic model'

Author: Grafiati

Published: 6 September 2023

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1

Jacobson, K., E. Sheets, and R. Simson. "Revisiting the fluid mosaic model of membranes." Science 268, no. 5216 (1995): 1441–42. http://dx.doi.org/10.1126/science.7770769.

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2

Fromherz, Peter. "Spatio-temporal patterns in the fluid-mosaic model of membranes." Biochimica et Biophysica Acta (BBA) - Biomembranes 944, no. 1 (1988): 108–11. http://dx.doi.org/10.1016/0005-2736(88)90323-9.

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3

Forslind, B. "A domain mosaic model of the skin barrier." Acta Dermato-Venereologica 74, no. 1 (1994): 1–6. http://dx.doi.org/10.2340/00015555741214.

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The skin barrier primarily protects the body against uncontrolled loss of water and in addition prevents water and matter of the environment from indiscriminately entering the living system. The current concept of the skin barrier suggests that permeability is governed by a hydrophilic and a hydrophobic "channel". To account both for the barrier function and the hydrophilic and hydrophobic pathways through this barrier, we propose a new model, "the domain mosaic model of the skin barrier", which depicts the bulk of the lipids as segregated into crystalline/gel domains bordered by "grain border

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Zhang, Jianbing, Bingwen Jing, Nobuya Tokutake, and Steven L. Regen. "Transbilayer Complementarity of Phospholipids. A Look beyond the Fluid Mosaic Model." Journal of the American Chemical Society 126, no. 35 (2004): 10856–57. http://dx.doi.org/10.1021/ja046892a.

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Nicolson, Garth L., and Gonzalo Ferreira de Mattos. "Fifty Years of the Fluid–Mosaic Model of Biomembrane Structure and Organization and Its Importance in Biomedicine with Particular Emphasis on Membrane Lipid Replacement." Biomedicines 10, no. 7 (2022): 1711. http://dx.doi.org/10.3390/biomedicines10071711.

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The Fluid–Mosaic Model has been the accepted general or basic model for biomembrane structure and organization for the last 50 years. In order to establish a basic model for biomembranes, some general principles had to be established, such as thermodynamic assumptions, various molecular interactions, component dynamics, macromolecular organization and other features. Previous researchers placed most membrane proteins on the exterior and interior surfaces of lipid bilayers to form trimolecular structures or as lipoprotein units arranged as modular sheets. Such membrane models were structurally

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Ohki, Kazuo. "A quarter of century since the proposal of the fluid mosaic membrane model." membrane 21, no. 4 (1996): 220–22. http://dx.doi.org/10.5360/membrane.21.220.

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Zhang, Anan, Gaoqiang Peng, Wei Yang, Guanglong Qu, and Huang Huang. "Risk Assessment of Offshore Micro Integrated Energy System Based on Fluid Mosaic Model." IEEE Access 8 (2020): 76715–25. http://dx.doi.org/10.1109/access.2020.2989508.

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Catalá, Angel. "Lipid peroxidation modifies the picture of membranes from the “Fluid Mosaic Model” to the “Lipid Whisker Model”." Biochimie 94, no. 1 (2012): 101–9. http://dx.doi.org/10.1016/j.biochi.2011.09.025.

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9

Morange, Michel. "What history tells us XXX. The emergence of the fluid mosaic model of membranes." Journal of Biosciences 38, no. 1 (2013): 3–7. http://dx.doi.org/10.1007/s12038-013-9301-3.

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Fromherz, Peter. "Dissipative Structures of Ion Channels in the Fluid Mosaic Model of a Membrane Cable." Berichte der Bunsengesellschaft für physikalische Chemie 92, no. 9 (1988): 1010–16. http://dx.doi.org/10.1002/bbpc.198800252.

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Nicolson, Garth L., and Gonzalo Ferreira de Mattos. "A Brief Introduction to Some Aspects of the Fluid–Mosaic Model of Cell Membrane Structure and Its Importance in Membrane Lipid Replacement." Membranes 11, no. 12 (2021): 947. http://dx.doi.org/10.3390/membranes11120947.

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Early cell membrane models placed most proteins external to lipid bilayers in trimolecular structures or as modular lipoprotein units. These thermodynamically untenable structures did not allow lipid lateral movements independent of membrane proteins. The Fluid–Mosaic Membrane Model accounted for these and other properties, such as membrane asymmetry, variable lateral mobilities of membrane components and their associations with dynamic complexes. Integral membrane proteins can transform into globular structures that are intercalated to various degrees into a heterogeneous lipid bilayer matrix

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Olsen, O. H., and P. S. Lomdahl. "Influence of stochastic noise on self-organized patterns in a fluid-mosaic model of membranes." Physics Letters A 165, no. 2 (1992): 133–42. http://dx.doi.org/10.1016/0375-9601(92)90088-4.

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13

Bozdaganyan, M. E., and K. V. Shaitan. "INVESTIGATION OF STRUCTURE OF THE MEMBRANE RAFTS BY MEANS OF COMPUTER MODELING." Journal of Clinical Practice 7, no. 4 (2016): 66–72. http://dx.doi.org/10.17816/clinpract7466-72.

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Understanding the structure of the biological membrane and its role in the cell has evolved significantly since the introduction of the classical fluid mosaic model by Singer and Nicholson. Later fluid mosaic model has been redesigned, expanded and has become considerably complicated. It has been experimentally proved that the membrane consists of so-called rafts, which are functional “islands” with the specific lipid composition with proteins. Lipid rafts play a central role in many cellular processes, including barrier functions, membrane polarization and the cell signaling. Several groups o

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Glazov, Konstantin, Galina Trebeleva, Ivan Abornev, Andrey Kizilov, Vladlen Yurkov, and Gleb Yurkov. "Reconstruction and Visualization of the Mosaic Floor of the Temple of Pitiunt Hillfort." Applied Sciences 13, no. 10 (2023): 6210. http://dx.doi.org/10.3390/app13106210.

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The 3D reconstruction of the Great Pitiunt Fortress has been our long-term goal. The results of archaeological excavations have revealed traces of a mosaic floor in one of the temples. It was impossible to carry out a full reconstruction of the temple without first restoring the mosaic floor. The area of the preserved mosaic found during the excavations was only 33 square meters. This is 10.5% of the total interior area of the temple of 317 square meters. However, based on a number of reasons, i.e., the direction of the dividing borders between the elements of the mosaic, the requirement of sy

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Suzuki, Kenichi G. N., and Akihiro Kusumi. "Refinement of Singer-Nicolson fluid-mosaic model by microscopy imaging: Lipid rafts and actin-induced membrane compartmentalization." Biochimica et Biophysica Acta (BBA) - Biomembranes 1865, no. 2 (2023): 184093. http://dx.doi.org/10.1016/j.bbamem.2022.184093.

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Helenius, Ari. "Membranes, viruses, detergents, and endosomes." Molecular Biology of the Cell 23, no. 21 (2012): 4157–59. http://dx.doi.org/10.1091/mbc.e12-05-0383.

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The fluid mosaic model for biological membranes was formulated 40 years ago. Ten years later endosomes were discovered as important prelysosomal organelles. At the outset of my research career, I was fortunate to witness both these turning points in biochemistry and cell biology from close up, and to participate in some of the studies. In this short essay, I will describe how this came about, and also try to provide some background as to the general starting situation in those not so distant pioneering years of membrane biology.

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Byrum, Jennifer N., and William Rodgers. "Membrane–cytoskeleton interactions in cholesterol-dependent domain formation." Essays in Biochemistry 57 (February 6, 2015): 177–87. http://dx.doi.org/10.1042/bse0570177.

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Since the inception of the fluid mosaic model, cell membranes have come to be recognized as heterogeneous structures composed of discrete protein and lipid domains of various dimensions and biological functions. The structural and biological properties of membrane domains are represented by CDM (cholesterol-dependent membrane) domains, frequently referred to as membrane ‘rafts’. Biological functions attributed to CDMs include signal transduction. In T-cells, CDMs function in the regulation of the Src family kinase Lck (p56lck) by sequestering Lck from its activator CD45. Despite evidence of di

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Murray, Samuel M, Richard A O'Brien, Kaila M Mattson, et al. "The Fluid-Mosaic Model, Homeoviscous Adaptation, and Ionic Liquids: Dramatic Lowering of the Melting Point by Side-Chain Unsaturation." Angewandte Chemie International Edition 49, no. 15 (2010): 2755–58. http://dx.doi.org/10.1002/anie.200906169.

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Murray, Samuel M, Richard A O'Brien, Kaila M Mattson, et al. "The Fluid-Mosaic Model, Homeoviscous Adaptation, and Ionic Liquids: Dramatic Lowering of the Melting Point by Side-Chain Unsaturation." Angewandte Chemie 122, no. 15 (2010): 2815–18. http://dx.doi.org/10.1002/ange.200906169.

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Karkoulias, Dionysios G., Evangelos D. Tzoganis, Anastasios G. Panagiotopoulos, Spyridon-Giaroslav D. Acheimastos, and Dionissios P. Margaris. "Computational Fluid Dynamics Study of Wing in Air Flow and Air–Solid Flow Using Three Different Meshing Techniques and Comparison with Experimental Results in Wind Tunnel." Computation 10, no. 3 (2022): 34. http://dx.doi.org/10.3390/computation10030034.

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The main purpose of this work is to simulate the flow of air and solid particles over a wildfire and to investigate the single and multiphase flow over the surface of a custom-designed wing with an Eppler-420 airfoil including an appendant custom-designed blended winglet. The wing is the result of a conceptual and preliminary design of a small-scale unmanned aerial vehicle (UAV) designed to assist in firefighting. The fire embers will be simulated in the Ansys Fluent commercial code as solid particles injected in the continuous phase, in an Euler–Lagrange approach. Primarily studied were the r

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Arocena, Virgel M., and Louis Angelo M. Danao. "Improving the Modeling of Pressure Pulsation and Cavitation Prediction in a Double-Volute Double-Suction Pump Using Mosaic Meshing Technology." Processes 11, no. 3 (2023): 660. http://dx.doi.org/10.3390/pr11030660.

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Over the years, Computational Fluid Dynamics (CFD) has been an integral part of most pump design processes. Unfortunately, as calculation schemes and flow investigations become more complicated, the cost of conducting numerical simulations also becomes more expensive in terms of computational time. To remedy this, cutting-edge technology, together with novel calculation techniques, are continuously introduced with the end target of producing more accurate results and faster computing time. In this paper, CFD simulations are run on a numerical model of a double-volute double-suction pump prepar

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Whang, Allen Jong-Woei, Yi-Yung Chen, Tsai-Hsien Yang, Cheng-Tse Lin, Zhi-Jia Jian, and Chun-Han Chou. "Zernike Coefficient Prediction Technique for Interference Based on Generation Adversarial Network." Applied Sciences 11, no. 15 (2021): 6933. http://dx.doi.org/10.3390/app11156933.

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In the paper, we propose a novel prediction technique to predict Zernike coefficients from interference fringes based on Generative Adversarial Network (GAN). In general, the task of GAN is image-to-image translation, but we design GAN for image-to-number translation. In the GAN model, the Generator’s input is the interference fringe image, and its output is a mosaic image. Moreover, each piece of the mosaic image links to the number of Zernike coefficients. Root Mean Square Error (RMSE) is our criterion for quantifying the ground truth and prediction coefficients. After training the GAN model

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Lee, Changno, and Jaehong Oh. "Sensor-Level Mosaic of Multistrip KOMPSAT-3 Level 1R Products." Applied Sciences 11, no. 15 (2021): 6796. http://dx.doi.org/10.3390/app11156796.

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High-resolution satellite images such as KOMPSAT-3 data provide detailed geospatial information over interest areas that are evenly located in an inaccessible area. The high-resolution satellite cameras are designed with a long focal length and a narrow field of view to increase spatial resolution. Thus, images show relatively narrow swath widths (10–15 km) compared to dozens or hundreds of kilometers in mid-/low-resolution satellite data. Therefore, users often face obstacles to orthorectify and mosaic a bundle of delivered images to create a complete image map. With a single mosaicked image

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Wu, Yu-Ting, Zhen Qin, Amre Eizad, and Sung-Ki Lyu. "Design and Numerical Simulation-Based Optimization of a Novel Flat-Face Coupling System for Hydraulic Power Equipment." Applied Sciences 11, no. 1 (2021): 388. http://dx.doi.org/10.3390/app11010388.

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Coupling systems play a vital role in hydraulic power transmission equipment. In recent years, flat-face coupling systems have been extensively studied due to their environment friendly features. The difficulty of the connection process of hydraulic equipment increases with the increase in their working pressure. To improve the convenience of making high-pressure connections, a novel flat-face coupling system is proposed in this article. In the proposed design, which is based on the conventional flat-face coupling system, the resistance caused by high hydraulic fluid pressure during coupling i

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Kusumi, Akihiro, Takahiro K. Fujiwara, Rahul Chadda, et al. "Dynamic Organizing Principles of the Plasma Membrane that Regulate Signal Transduction: Commemorating the Fortieth Anniversary of Singer and Nicolson's Fluid-Mosaic Model." Annual Review of Cell and Developmental Biology 28, no. 1 (2012): 215–50. http://dx.doi.org/10.1146/annurev-cellbio-100809-151736.

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Hill, Reghan J., and Chih-Ying Wang. "Diffusion in phospholipid bilayer membranes: dual-leaflet dynamics and the roles of tracer–leaflet and inter-leaflet coupling." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 470, no. 2167 (2014): 20130843. http://dx.doi.org/10.1098/rspa.2013.0843.

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A variety of observations—sometimes controversial—have been made in recent decades when attempting to elucidate the roles of interfacial slip on tracer diffusion in phospholipid membranes. Evans–Sackmann theory (1988) has furnished membrane viscosities and lubrication-film thicknesses for supported membranes from experimentally measured lateral diffusion coefficients. Similar to the Saffman and Delbrück model, which is the well-known counterpart for freely supported membranes, the bilayer is modelled as a single two-dimensional fluid. However, the Evans–Sackman model cannot interpret the mobil

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Nicolson, Garth L. "The Fluid—Mosaic Model of Membrane Structure: Still relevant to understanding the structure, function and dynamics of biological membranes after more than 40years." Biochimica et Biophysica Acta (BBA) - Biomembranes 1838, no. 6 (2014): 1451–66. http://dx.doi.org/10.1016/j.bbamem.2013.10.019.

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Marín-Buzón, Carmen, Antonio Miguel Pérez-Romero, Manuel J. León-Bonillo, Rubén Martínez-Álvarez, Juan Carlos Mejías-García, and Francisco Manzano-Agugliaro. "Photogrammetry (SfM) vs. Terrestrial Laser Scanning (TLS) for Archaeological Excavations: Mosaic of Cantillana (Spain) as a Case Study." Applied Sciences 11, no. 24 (2021): 11994. http://dx.doi.org/10.3390/app112411994.

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The discovery of a Roman mosaic from the 2nd century AD in Cantillana (Seville) generated interest and the need for exhaustive documentation, so that it could be recreated with real measurements in a 3D model, not only to obtain an exact replica, but with the intention of analyzing and studying the behavior of two main geomatics techniques. Thus, the objective of this study was the comparative analysis of both techniques: near object photogrammetry by SfM and terrestrial laser scanner or TLS. The aim of this comparison was to assess the use of both techniques in archaeological excavations. Spe

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Dong, Lei, Fangjian Liu, Mingchao Han, and Hongjian You. "Mosaicing Technology for Airborne Wide Field-of-View Infrared Image." Applied Sciences 13, no. 15 (2023): 8977. http://dx.doi.org/10.3390/app13158977.

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Multi-detector parallel scanning is derived from the traditional airborne panorama camera, and it has a great lateral field of view. A wide field-of-view camera can be used to obtain an area of remote sensing image by whisk broom mood during the flight. The adjacent image during acquisition should cover the overlap region according to the flight path, and then the regional image can be generated by image processing. Complexity and difficulty are increased during the regional image processing due to some interference factors of aircraft in flight. The overlap of the acquired regional image is c

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Hideux, Michel, and Michel Abadie. "Cytologie ultrastructurale de l'anthère de Saxifraga. I. Période d'initiation des précurseurs des sporopollénines au niveau des principaux types exiniques." Canadian Journal of Botany 63, no. 1 (1985): 97–112. http://dx.doi.org/10.1139/b85-013.

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The period of initiation of sporopollenin precursors studied by transmission electron microscopy in the anthers of three species of the genus Saxifraga (S. cymbalaria ssp. huetiana, sempervivum and clusii) reveals two main phases. They are characterized successively by the elaboration of the ectexine (outer layer of the exine composed of sporopollenin) and endexine (inner layer of the same wall). This phenomenon has been observed in the tapetal periplasm and the sporal periplasm; the latter has been chosen as the reference point in establishing the chronology of the ontogenetic stages as well

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Gao, Rui, Changyun Miao, and Xianguo Li. "Adaptive Multi-View Image Mosaic Method for Conveyor Belt Surface Fault Online Detection." Applied Sciences 11, no. 6 (2021): 2564. http://dx.doi.org/10.3390/app11062564.

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In order to improve the accuracy and real-time of image mosaic, realize the multi-view conveyor belt surface fault online detection, and solve the problem of longitudinal tear of conveyor belt, we in this paper propose an adaptive multi-view image mosaic (AMIM) method based on the combination of grayscale and feature. Firstly, the overlapping region of two adjacent images is preliminarily estimated by establishing the overlapping region estimation model, and then the grayscale-based method is used to register the overlapping region. Secondly, the image of interest (IOI) detection algorithm is

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Fantini, Jacques, Nicolas Garmy, Radhia Mahfoud, and Nouara Yahi. "Lipid rafts: structure, function and role in HIV, Alzheimer's and prion diseases." Expert Reviews in Molecular Medicine 4, no. 27 (2002): 1–22. http://dx.doi.org/10.1017/s1462399402005392.

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The fluid mosaic model of the plasma membrane has evolved considerably since its original formulation 30 years ago. Membrane lipids do not form a homogeneous phase consisting of glycerophospholipids (GPLs) and cholesterol, but a mosaic of domains with unique biochemical compositions. Among these domains, those containing sphingolipids and cholesterol, referred to as membrane or lipid rafts, have received much attention in the past few years. Lipid rafts have unique physicochemical properties that direct their organisation into liquid-ordered phases floating in a liquid-crystalline ocean of GPL

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Tschirhart, Victoria, Sally Pehrsson, Colin Card, Eric G. Potter, Jeremy Powell, and Dinu Pană. "Interpretation of buried basement in the southwestern Athabasca Basin, Canada, from integrated geophysical and geological datasets." Geochemistry: Exploration, Environment, Analysis 21, no. 1 (2020): geochem2019–061. http://dx.doi.org/10.1144/geochem2019-061.

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Recent discoveries of basement-hosted uranium deposits in the Patterson Lake corridor in the southwestern Athabasca Basin of Canada have brought vigorous exploration interest to the region. New lithostratigraphic constraints, geochronology and airborne geophysical surveys have dramatically improved the understanding of the host basement geology, warranting a re-examination of the remote predictive mapping and geophysical responses of the buried basement rocks. This study took a two-step approach to examine the regional basement geology and architecture. First, a mosaic of the long-wavelength r

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Harding, S. E., and P. Johnson. "Physicochemical studies on turnip-yellow-mosaic virus. Homogeneity, relative molecular masses, hydrodynamic radii and concentration-dependence of parameters in non-dissociating solvents." Biochemical Journal 231, no. 3 (1985): 549–55. http://dx.doi.org/10.1042/bj2310549.

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Turnip-yellow-mosaic virus, with its stable, highly spherical and monodisperse character, was chosen as a suitable model substance with which to test hydrodynamic theories of transport. Sedimentation coefficients, diffusion coefficients (obtained through photon correlation spectroscopy) and viscosities were measured accurately as a function of concentration in well-defined and nearly neutral buffer systems. Ancillary information was also obtained from very-low-speed sedimentation-equilibrium experiments. The coefficients expressing the variation in sedimentation and diffusion coefficients with

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Hames, Océane, Mahdi Jafari, David Nicholas Wagner, et al. "Modeling the small-scale deposition of snow onto structured Arctic sea ice during a MOSAiC storm using snowBedFoam 1.0." Geoscientific Model Development 15, no. 16 (2022): 6429–49. http://dx.doi.org/10.5194/gmd-15-6429-2022.

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Abstract. The remoteness and extreme conditions of the Arctic make it a very difficult environment to investigate. In these polar regions covered by sea ice, the wind is relatively strong due to the absence of obstructions and redistributes a large part of the deposited snow mass, which complicates estimates for precipitation hardly distinguishable from blowing or drifting snow. Moreover, the snow mass balance in the sea ice system is still poorly understood, notably due to the complex structure of its surface. Quantitatively assessing the snow distribution on sea ice and its connection to the

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Alves, Anna Carolina Schneider, Reinaldo Antonio Dias, Luciano Porto Kagami, et al. "Beyond the "Lock and Key" Paradigm: Targeting Lipid Rafts to Induce the Selective Apoptosis of Cancer Cells." Current Medicinal Chemistry 25, no. 18 (2018): 2082–104. http://dx.doi.org/10.2174/0929867325666180111100601.

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For more than 40 years, the fluid mosaic model of cellular membranes has supported our vision of an inert lipid bilayer containing membrane protein receptors that are randomly hit by extracellular molecules to trigger intracellular signaling events. However, the notion that compartmentalized cholesterol- and sphingomyelin-rich membrane microdomains (known as lipid rafts) spatially arrange receptors and effectors to promote kinetically favorable interactions necessary for the signal transduction sounds much more realistic. Despite their assumed importance for the dynamics of ligand-receptor int

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Lhoest, Lancelot, Mimoun Lamrini, Jurgen Vandendriessche, et al. "MosAIc: A Classical Machine Learning Multi-Classifier Based Approach against Deep Learning Classifiers for Embedded Sound Classification." Applied Sciences 11, no. 18 (2021): 8394. http://dx.doi.org/10.3390/app11188394.

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Environmental Sound Recognition has become a relevant application for smart cities. Such an application, however, demands the use of trained machine learning classifiers in order to categorize a limited set of audio categories. Although classical machine learning solutions have been proposed in the past, most of the latest solutions that have been proposed toward automated and accurate sound classification are based on a deep learning approach. Deep learning models tend to be large, which can be problematic when considering that sound classifiers often have to be embedded in resource constrain

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Weir, Tiffany L., Valerie J. Stull, Dayakar Badri, Lily A. Trunck, Herbert P. Schweizer, and Jorge Vivanco. "Global Gene Expression Profiles Suggest an Important Role for Nutrient Acquisition in Early Pathogenesis in a Plant Model of Pseudomonas aeruginosa Infection." Applied and Environmental Microbiology 74, no. 18 (2008): 5784–91. http://dx.doi.org/10.1128/aem.00860-08.

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ABSTRACT Although Pseudomonas aeruginosa is an opportunistic pathogen that does not often naturally infect alternate hosts, such as plants, the plant-P. aeruginosa model has become a widely recognized system for identifying new virulence determinants and studying the pathogenesis of the organism. Here, we examine how both host factors and P. aeruginosa PAO1 gene expression are affected in planta after infiltration into incompatible and compatible cultivars of tobacco (Nicotiana tabacum L.). N. tabacum has a resistance gene (N) against tobacco mosaic virus, and although resistance to PAO1 infec

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Fang, Jingxin, and Xuwei Li. "Object Detection Related to Irregular Behaviors of Substation Personnel Based on Improved YOLOv4." Applied Sciences 12, no. 9 (2022): 4301. http://dx.doi.org/10.3390/app12094301.

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The accurate and timely detection of irregular behavior of substation personnel plays an important role in maintaining personal safety and preventing power outage accidents. This paper proposes a method for irregular behaviors detection (IBD) of substation personnel based on an improved YOLOv4 which uses MobileNetV3 to replace the CSPDarkNet53 feature extraction network, depthwise separable convolution and efficient channel attention (ECA) to optimize the SPP and PANet networks, and four scales of feature maps to fuse to improve the detection accuracy. First, an image dataset was constructed u

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Barera, Simone, Cristina Pagliano, Tillmann Pape, Guido Saracco та James Barber. "Characterization of PSII–LHCII supercomplexes isolated from pea thylakoid membrane by one-step treatment with α- and β-dodecyl- d -maltoside". Philosophical Transactions of the Royal Society B: Biological Sciences 367, № 1608 (2012): 3389–99. http://dx.doi.org/10.1098/rstb.2012.0056.

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It was the work of Jan Anderson, together with Keith Boardman, that showed it was possible to physically separate photosystem I (PSI) from photosystem II (PSII), and it was Jan Anderson who realized the importance of this work in terms of the fluid-mosaic model as applied to the thylakoid membrane. Since then, there has been a steady progress in the development of biochemical procedures to isolate PSII and PSI both for physical and structural studies. Dodecylmaltoside (DM) has emerged as an effective mild detergent for this purpose. DM is a glucoside-based surfactant with a bulky hydrophilic h

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Hu, Wenyi, Jinling Zou, Yuan Huang, et al. "ECGYOLO: Mask Detection Algorithm." Applied Sciences 13, no. 13 (2023): 7501. http://dx.doi.org/10.3390/app13137501.

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Of past years, wearing masks has turned into a necessity in daily life due to the rampant new coronavirus and the increasing importance people place on health and life safety. However, current mask detection algorithms are difficult to run on low-computing-power hardware platforms and have low accuracy. To resolve this discrepancy, a lightweight mask inspection algorithm ECGYOLO based on improved YOLOv7tiny is proposed. This algorithm uses GhostNet to replace the original convolutional layer with ECG module instead of ELAN module, which greatly improves the inspection efficiency and decreases

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Ye, Zhenchao, Jingwen Mao, Cai Yang, Juan Usca, and Xinhao Li. "Trace Elements in Magnetite and Origin of the Mariela Iron Oxide-Apatite Deposit, Southern Peru." Minerals 13, no. 7 (2023): 934. http://dx.doi.org/10.3390/min13070934.

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To better understand the origin of the Andean iron oxide-apatite (IOA) deposits, we conducted a study on the geology and magnetite geochemistry of the Mariela IOA deposit in the Peruvian Iron Belt, central Andes. The Mariela deposit is hosted by gabbroic and dioritic intrusions. The major high-grade massive ores are primarily composed of magnetite and contain variable amounts of apatite and actinolite. Based on textural and geochemical characteristics, three different types of magnetite are recognized: Type I magnetite occurs in the massive magnetite ore, subclassified as inclusion-rich (I-a),

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Arman, Ala, Claudio Badii, Pierfrancesco Bellini, Stefano Bilotta, Paolo Nesi, and Michela Paolucci. "Analyzing Demand with Respect to Offer of Mobility." Applied Sciences 12, no. 18 (2022): 8982. http://dx.doi.org/10.3390/app12188982.

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A main key success for public transportation networks is their tuning by the analysis of mobility demand with respect to the offer in terms of public transportation means. Most of the solutions at the state of the art have strong limitations in taking into account: multiple contextual information as attractors/motivations for people movements, modalities of travel means, multiple operators, and a range of key performance indicators. For these reasons, a model for analyzing the demand with respect to the offer of mobility has been studied, and the corresponding tool DORAM developed. DORAM allow

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Zarranz, Juan J. "Clinical and molecular aspects of progressive degenerative aphasias." ANALES RANM 135, no. 135(02) (2018): 52–58. http://dx.doi.org/10.32440/ar.2018.135.02.supl01.art06.

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The debate between equipotentiality or specialization of the cerebral cortex as a substrate for higher neurological functions lasted until the second half of the 19th century. The classic observations of Broca, Wernicke and other authors demonstrating the language alterations due to cortical focal lesions were decisive in solving the problem and gave rise to a localization current, similar to that of the phrenologists, but not speculative but neuropathologically based. This vision of the cerebral cortex as a mosaic of autonomous specialized areas has been superseded and complemented by modern

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Brown, Dennis, Richard Bouley, Teodor G. Pǎunescu, Sylvie Breton, and Hua A. J. Lu. "New insights into the dynamic regulation of water and acid-base balance by renal epithelial cells." American Journal of Physiology-Cell Physiology 302, no. 10 (2012): C1421—C1433. http://dx.doi.org/10.1152/ajpcell.00085.2012.

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Maintaining tight control over body fluid and acid-base homeostasis is essential for human health and is a major function of the kidney. The collecting duct is a mosaic of two cell populations that are highly specialized to perform these two distinct processes. The antidiuretic hormone vasopressin (VP) and its receptor, the V2R, play a central role in regulating the urinary concentrating mechanism by stimulating accumulation of the aquaporin 2 (AQP2) water channel in the apical membrane of collecting duct principal cells. This increases epithelial water permeability and allows osmotic water re

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Xiao, Z., and P. N. Devreotes. "Identification of detergent-resistant plasma membrane microdomains in dictyostelium: enrichment of signal transduction proteins." Molecular Biology of the Cell 8, no. 5 (1997): 855–69. http://dx.doi.org/10.1091/mbc.8.5.855.

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Unlike most other cellular proteins, the chemoattractant receptor, cAR1, of Dictyostelium is resistant to extraction by the zwitterionic detergent, CHAPS. We exploited this property to isolate a subcellular fraction highly enriched in cAR1 by flotation of CHAPS lysates of cells in sucrose density gradients. Immunogold electron microscopy studies revealed a homogeneous preparation of membrane bilayer sheets. This preparation, designated CHAPS-insoluble floating fraction (CHIEF), also contained a defined set of 20 other proteins and a single uncharged lipid. Cell surface biotinylation and preemb

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Fragata, Ana, Jorge Ribeiro, Carla Candeias, Ana Velosa, and Fernando Rocha. "Archaeological and Chemical Investigation on the High Imperial Mosaic Floor Mortars of the Domus Integrated in the Museum of Archaeology D. Diogo de Sousa, Braga, Portugal." Applied Sciences 11, no. 17 (2021): 8267. http://dx.doi.org/10.3390/app11178267.

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This paper intends to characterize the floor mortar layers (nucleus, rudus and statumen) of the high imperial mosaics of the domus integrated in the Museum of Archeology D. Diogo de Sousa, the oldest roman housing testimonies known in Braga, Portugal. It offers an important archaeological and historical contextualization and first chemical characterization attempt on the mortars. The study of 13 mortar samples was carried out at a chemical level through X-ray fluorescence spectroscopy (XRF). All samples presented low lime content when compared to similar studies. A high chemical similarity bet

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Papadopoulou, Ermioni-Eirini, Apostolos Papakonstantinou, Nikolaos Zouros, and Nikolaos Soulakellis. "Scale-Variant Flight Planning for the Creation of 3D Geovisualization and Augmented Reality Maps of Geosites: The Case of Voulgaris Gorge, Lesvos, Greece." Applied Sciences 11, no. 22 (2021): 10733. http://dx.doi.org/10.3390/app112210733.

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The purpose of this paper was to study the influence of cartographic scale and flight design on data acquisition using unmanned aerial systems (UASs) to create augmented reality 3D geovisualization of geosites. The relationship between geographical and cartographic scales, the spatial resolution of UAS-acquired images, along with their relationship with the produced 3D models of geosites, were investigated. Additionally, the lighting of the produced 3D models was examined as a key visual variable in the 3D space. Furthermore, the adaptation of the 360° panoramas as environmental lighting param

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Folega, Fousseni, Wouyo Atakpama, Hodabalo Pereki, et al. "Geo-Based Assessment of Vegetation Health Related to Agroecological Practices in the Southeast of Togo." Applied Sciences 13, no. 16 (2023): 9106. http://dx.doi.org/10.3390/app13169106.

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In the context of climate change, the need to contribute to achieving Sustainable Development Goal (SDG) 2 is no longer in doubt, especially in sub-Saharan Africa. In this study of the landscape within 10 km of the Donomadé model farm, southeastern Togo, researchers sought to assess vegetation health in ecosystems and agrosystems, including their capacity to produce biomass for agroecological practices. Sentinel-2 sensor data from 2015, 2017, 2020, and 2022 were preprocessed and used to calculate the normalized vegetation fire ratio index (NBR), the vegetation fire severity index (dNBR), and C

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Pantaleo, M., and T. R. Walter. "The ring-shaped thermal field of Stefanos crater, Nisyros Island: a conceptual model." Solid Earth 5, no. 1 (2014): 183–98. http://dx.doi.org/10.5194/se-5-183-2014.

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Abstract. Fumarole fields related to hydrothermal processes release the heat of the underground through permeable pathways. Thermal changes, therefore, are likely to depend also on the size and permeability variation of these pathways. There may be different explanations for the observed permeability changes, such as fault control, lithology, weathering/alteration, heterogeneous sediment accumulation/erosion and physical changes of the fluids (e.g., temperature and viscosity). A common difficulty, however, in surface temperature field studies at active volcanoes is that the parameters controll

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