Academic literature on the topic 'Multipore membranes'

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Journal articles on the topic "Multipore membranes"

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Rivera-Sierra, Gonzalo, Patricio Ramirez, Juan Bisquert, and Agustín Bou. "Relaxation Time of Multipore Nanofluidic Memristors for Neuromorphic Applications." Journal of the American Chemical Society xxx, no. xxx (2025): A—J. https://doi.org/10.1021/jacs.5c04903.

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Memristors have been positioned at the forefront of the purposes for carrying out neuromorphic computation. Their tunable conductance properties enable the imitation of synaptic behavior. Nanofluidic memristors made of multipore membranes have shown their memristic properties and are candidate devices for liquid neuromorphic systems. Such properties are visible through an inductive hysteresis in the current–voltage sweeps, which is then confirmed by the inductive characteristics in impedance spectroscopy measurements. The dynamic behavior of memristors is largely determined by a voltage-
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Cervera, Javier, Patricio Ramirez, Vicente Gomez, et al. "Multipore membranes with nanofluidic diodes allowing multifunctional rectification and logical responses." Applied Physics Letters 108, no. 25 (2016): 253701. http://dx.doi.org/10.1063/1.4954764.

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Nasir, Saima, Mubarak Ali, Patricio Ramirez, et al. "Ionic conduction through single-pore and multipore polymer membranes in aprotic organic electrolytes." Journal of Membrane Science 635 (October 2021): 119505. http://dx.doi.org/10.1016/j.memsci.2021.119505.

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Liévano, A., E. C. Vega-SaenzdeMiera, and A. Darszon. "Ca2+ channels from the sea urchin sperm plasma membrane." Journal of General Physiology 95, no. 2 (1990): 273–96. http://dx.doi.org/10.1085/jgp.95.2.273.

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Ca2+ influx across the sea urchin sperm plasma membrane is a necessary step during the egg jelly-induced acrosome reaction. There is pharmacological evidence for the involvement of Ca2+ channels in this influx, but their presence has not been directly demonstrated because of the small size of this cell. Sea urchin sperm Ca2+ channels are being studied by fusing isolated plasma membranes into planar lipid bilayers. With this strategy, a Ca2+ channel has been detected with the following characteristics: (a) the channel exhibits a high mainstate conductance (gamma MS) of 172 pS in 50 mM CaCl2 sol
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الكعكي, Nahla Saleh. "Prevalence of the pattern of Pre-labor premature rupture of membranes among pregnant women at Al-Sadaqa Teaching Hospital, Aden, Yemen." Journal of medical and pharmaceutical sciences 6, no. 5 (2022): 52–65. http://dx.doi.org/10.26389/ajsrp.h050122.

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Pre-labor rupture of membranes (PROM) is the rupture of membranes before the onset of labor. It is a common obstetric problem (3 -4%) in developed and developing countries. The aim of this study to describe the pattern of PROM in pregnancies at Al-Sadaqa Teaching Hospital, Aden, Yemen from January to February 2020. This is a descriptive hospital based study of the patients diagnosed as PROMs managed in the Obstetrics and Gynecology Department. In this study 151 pregnant women with PROM comprising 11.1% of 1360 total deliveries. Only 9 (0.7%) patients presented with preterm premature rupture of
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Rahayu, Budi, and Ayu Novita Sari. "Studi Deskriptif Penyebab Kejadian Ketuban Pecah Dini (KPD) pada Ibu Bersalin." Jurnal Ners dan Kebidanan Indonesia 5, no. 2 (2017): 134. http://dx.doi.org/10.21927/jnki.2017.5(2).134-138.

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<em>Premature Rupture Membranes is a rupture of the membranes prematurely. KPD Cause not known with certainty, but nothing to do with uterine hypermotility, thin membranes, infections, multiparous, maternal age, </em>location<em> of the fetus, and previous history of premature rupture of membranes. Impact of the KPD can cause maternal or neonatal infection, hypoxia or compression of the umbilical cord, fetal deformity syndrome, increased Caesarean </em>labour<em> or normal delivery failure, and increased morbidity and maternal perinatal mortality. This study was t
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Cho, Sungbo. "Electrical resistance characterization of insulating membrane with multipore." Journal of Electroanalytical Chemistry 629, no. 1-2 (2009): 69–72. http://dx.doi.org/10.1016/j.jelechem.2009.01.028.

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Yulius, Will Hans, Aditiyono Aditiyono, Akhmad Yogi Pramatirta, and Siti Salima. "The Relationship between Maternal Characteristics and Neonatal Outcomes of Premature Rupture of Membranes." Indonesian Journal of Obstetrics & Gynecology Science 7, no. 3 (2024): 335. http://dx.doi.org/10.24198/obgynia.v7i3.682.

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Introduction: Premature rupture of the membranes occurs when the amniotic membrane bursts before 37 weeks of gestation. Preterm labour is the primary cause of perinatal and neonatal death, with premature membrane rupture accounting for 40% of cases. This study aimed to investigate the relationship between the incidence of premature rupture of membranes (PROM) with maternal characteristics and neonatal outcomes.Method: This study was carried out through medical record analysis in premature rupture of membrane patients at the Regional General Hospital Prof. Dr. Margono Soekarjo for the period Ju
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Kanev, Nikolay. "Acoustic Properties of Surfaces Covered by Multipole Resonators." Acoustics 6, no. 2 (2024): 509–22. http://dx.doi.org/10.3390/acoustics6020027.

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Different types of resonators are used to create acoustic metamaterials and metasurfaces. Recent studies focused on the use of multiple resonators of the dipole, quadrupole, octupole, and even hexadecapole types. This paper considers the theory of an acoustic metasurface, which is a flat surface with a periodic arrangement of multipole resonators. The sound field reflected by the metasurface is determined. If the distance between the resonators is less than half the wavelength of the incident plane wave, the far field can be described by a reflection coefficient that depends on the angle of in
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Bhatu, Jaydeep J., Ankita B. Chaudhari, and Nilesh R. Chauhan. "Oxytocin versus Misoprostol used as an induction of labour in term in early rupture of Amniotic membranes." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 9, no. 3 (2020): 1023. http://dx.doi.org/10.18203/2320-1770.ijrcog20200868.

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Background: Pre labor Rupture of membranes is a common obstetrical problem, significant event as it transforms an ordinary pregnancy into a high risk one. Majority of cases of PROM - of about 60% occur after 37 completed weeks Induction of labour is artificial. Misoprostol is receiving attention as a cervical modifier and labour induction agent. This study compares the safety and efficacy of Misoprostol with Oxytocin in labour induction in term pre labour rupture of membranes. Objective of this study was to compare the safety and efficacy of Misoprostol with that of Oxytocin in labour inductio
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Dissertations / Theses on the topic "Multipore membranes"

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Freitas, Mariana Vaini de. "Influência do uso de estatinas sobre a estabilidade de membrana de eritrócitos em portadores de esclerose múltipla." Universidade Federal de Uberlândia, 2009. https://repositorio.ufu.br/handle/123456789/15814.

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Multiple sclerosis (MS), degenerative disease characterized by defects in the myelin membrane of neural cells, takes place probably by oxidative, inflammatory and autoimmune mechanisms in genetically vulnerable individuals, under the influence of environmental factors associated with feeding. [Hypothesis] As the structural composition of biological membranes is largely affected by diet, physical activity and use of medicines, the interference of environmental factors in the homeostasis of structural membranes of neural cells in carriers of MS must also be shared by other post-mitotic cells of
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Low, Andrew M. "Aspects of supersymmetry in multiple membrane theories." Thesis, Queen Mary, University of London, 2011. http://qmro.qmul.ac.uk/xmlui/handle/123456789/1328.

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This thesis consists of two parts. In the rst part we investigate the worldvolume supersymmetry algebra of multiple membrane theories. We begin with a description of M-theory branes and their intersections from the perspective of spacetime and worldvolume supersymmetry algebras. We then provide an overview of the recent work on multiple M2-branes focusing on the Bagger-Lambert theory and its relation to the Nambu-Poisson M5-brane and the ABJM theory. The worldvolume supersymmetry algebras of these theories are explicitly calculated and the charges interpreted in terms of spacetime intersection
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Ayoub, Fayad Mazen. "The interactions of paraproteins and albumin with artificial and biological membranes." Thesis, University of Essex, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295643.

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Yee, Kevin Wing Kan Chemical Sciences &amp Engineering Faculty of Engineering UNSW. "Operability analysis of a multiple-stage membrane process." Publisher:University of New South Wales. Chemical Sciences & Engineering, 2008. http://handle.unsw.edu.au/1959.4/41287.

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Membrane processes have found increasing industrial applications worldwide. For membrane processes to deliver their desired performances and mitigate the effect of disturbances, automatic controllers must be installed. Before the installation of controllers, operability analysis is a crucial step to evaluate how well the processes can be controlled, and to determine how process design can be improved for better control. However, existing applications of operability analysis in membrane processes are limited. This thesis extends the application of operability analysis to a multiple-stage mem
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Klunder, Lammert. "Sorting and trafficking of proteins in oligodendrocytes during myelin membrane biogenesis." [S.l. : Groningen : s.n. ; University Library of Groningen] [Host], 2007. http://irs.ub.rug.nl/ppn/.

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Hon, Gloudina Maria. "Membrane fluidity and fatty acids in multiple sclerosis patients." Thesis, Cape Peninsula University of Technology, 2009. http://hdl.handle.net/20.500.11838/1514.

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Thesis (DTech (Biomedical Technology))--Cape Peninsula University of Technology, 2009<br>Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system (CNS), which leads to neuronal demyelination, and eventually to oligodendrocyte and axon loss, with subsequent lesion formation. The wide distribution of lesions in the CNS results in a variety of clinical features, such as cognitive impairment, vertigo, spasticity, ataxia tremors, progressive quadriparesis, pain and depression. Currently no cure exists for CNS disorders, resulting in a decline in quality of life,
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Mirzabeygi, Marjan. "Les complications obstétricales et pédiatriques des grossesses triples : expérience de la Maternité de Bordeaux de 1989 à 1996." Bordeaux 2, 1997. http://www.theses.fr/1997BOR2M080.

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Shi, Xiafu. "Mechanisms of membrane fouling by macromolecules at multiple scales during ultrafiltration." Thesis, University of Oxford, 2014. https://ora.ox.ac.uk/objects/uuid:b9ffb933-fe45-4864-b20c-26f4714d3f02.

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The thesis aims to gain a better understanding on the mechanisms of the complicated macromolecular fouling in ultrafiltration (UF). The work is divided into three main parts. Firstly, comprehensive literature reviews on both membrane fouling and cleaning were carried out for a better overview on this problem. The findings such as the identification of the main foulants and the current knowledge on fundamental fouling mechanisms, directly contributed to further parts of the thesis. Secondly, a multiscale approach was developed to form generalised framework for modelling complex fouling scenario
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Hartmann, Anne Kathrin. "Multiple routes of phosphatidylethanolamine biogenesis ensure membrane integrity of Toxoplasma gondii." Doctoral thesis, Humboldt-Universität zu Berlin, Lebenswissenschaftliche Fakultät, 2016. http://dx.doi.org/10.18452/17477.

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Toxoplasma gondii ist ein weit verbreiteter, obligat-intrazellulärer, einzelliger Parasit, der die lebensbedrohliche Krankheit Toxoplasmose in Menschen und Tieren hervorrufen kann. Der schnell replizierende Parasit benötigt erhebliche Mengen an Phospholipiden zur Biogenese intra- und extrazellulärer Membranen. Phosphatidylethanolamin (PtdEtn) ist ein wichtiges und ubiquitäres Phospholipid in Pro- und Eukaryoten und das zweithäufigste Lipid in T. gondii. Dieses kann de novo über den CDP-Ethanolamin Stoffwechselweg oder durch Decarboxylierung von Phosphatidylserin synthetisiert werden. Im Rahmen
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Hon, Gloudina Maria. "The role of N-6 and N-3 pufa ratios in the aetiology of multiple sclerosis." Thesis, Cape Peninsula University of Technology, 2009. http://hdl.handle.net/20.500.11838/1482.

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Thesis (MTech (BioMedical Technology))--Cape Peninsula University of Technology, 2006<br>In multiple sclerosis (MS) the myelin sheaths surrounding the axons in the brain are mainly affected by the disease process. Myelin consists for the most part of lipids and proteins. An abnormality in essential fatty acid metabolism is known to be present in patients with MS (Horrobin, 1979), reflected in a high ratio of n-6 to n-3 fatty acids in cell membranes. It has also been established previously that the pathogenesis of inflammatory disorders is aggravated by excessive consumption of n-6 fatty a
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Books on the topic "Multipore membranes"

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Crawford, James MacKenzie. Multiple boundary condition testing for preloaded membrane structures. Graduate Dept. of Aerospace Science and Engineering, University of Toronto, 1994.

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Locatelli, F., C. Ronco, and C. Tetta, eds. Polyethersulfone: Membranes for Multiple Clinical Applications. S. Karger AG, 2002. http://dx.doi.org/10.1159/isbn.978-3-318-00903-3.

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Slimp, Jefferson C. Neurophysiology of Multiple Sclerosis. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199341016.003.0003.

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Any discussion of the pathomechanisms and treatments of MS benefits from an understanding of the physiology of the neuronal membrane and the action potential. Neurons and glia, are important for signal propagation, synaptic function, and neural development. The neuronal cell membrane, maintains different ionic environments inside and outside the cell, separating charge across the membrane and facilitating electrical excitability. Ion channels allow flow of sodium, potassium, and calcium ions across the membrane at selected times. At rest, potassium ion efflux across the membrane establishes th
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(Editor), Francesco Locatelli, C. Ronco (Editor), and Ciro Tetta (Editor), eds. Polyethersulfone: Membranes for Multiple Clinical Applications (Contributions to Nephrology). S. Karger Publishers (USA), 2002.

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Maybauer, Marc O., ed. Extracorporeal Membrane Oxygenation. Oxford University Press, 2022. http://dx.doi.org/10.1093/med/9780197521304.001.0001.

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Extracorporeal Membrane Oxygenation—An Interdisciplinary Problem-Based Learning Approach provides an overview of the latest techniques, management strategies, and technology surrounding the clinical use of ECMO. This interdisciplinary book reviews the most common scenarios of ECMO in 62 chapters exploring the conditions and problems arising in ECMO practice. Each chapter begins with a stem case, followed by open questions to encourage critical thinking and enable the reader to follow the management strategies of the authors, who are world leaders in the field. Followed by an evidence-based dis
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Mason, Peggy. The Neuron at Rest. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190237493.003.0009.

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Neuronal membrane potential depends on the distribution of ions across the plasma membrane and the permeability of the membrane to those ions afforded by transmembrane proteins. Ions cannot pass through a lipid bilayer but enter or exit neurons through ion channels. When activated by voltage or a ligand, ion channels open to form a pore through which selective ions can pass. The ion channels that support a resting membrane potential are critical to setting a cell’s excitability. From the distribution of an ionic species, the Nernst potential can be used to predict the steady-state potential fo
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Ware, Lorraine B. Pathophysiology of acute respiratory distress syndrome. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0108.

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The acute respiratory distress syndrome (ARDS) is a syndrome of acute respiratory failure characterized by the acute onset of non-cardiogenic pulmonary oedema due to increased lung endothelial and alveolar epithelial permeability. Common predisposing clinical conditions include sepsis, pneumonia, severe traumatic injury, and aspiration of gastric contents. Environmental factors, such as alcohol abuse and cigarette smoke exposure may increase the risk of developing ARDS in those at risk. Pathologically, ARDS is characterized by diffuse alveolar damage with neutrophilic alveolitis, haemorrhage,
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Amzica, Florin, and Fernando H. Lopes da Silva. Cellular Substrates of Brain Rhythms. Edited by Donald L. Schomer and Fernando H. Lopes da Silva. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190228484.003.0002.

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The purpose of this chapter is to familiarize the reader with the basic electrical patterns of the electroencephalogram (EEG). Brain cells (mainly neurons and glia) are organized in multiple levels of intricate networks. The cellular membranes are semipermeable media between extracellular and intracellular solutions, populated by ions and other electrically charged molecules. This represents the basis of electrical currents flowing across cellular membranes, further generating electromagnetic fields that radiate to the scalp electrodes, which record changes in the activity of brain cells. This
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Samol, Nancy B., and Eric P. Wittkugel. Epidermolysis Bullosa. Oxford University Press, 2013. http://dx.doi.org/10.1093/med/9780199764495.003.0065.

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Epidermolysis bullosa (EB) is a genetic skin disorder with multiple modes of inheritance that causes blister formation from shear injury and results in extensive scarring. Children with EB provide an array of unique challenges when presenting for anesthetic care. Anticipation and management of a potentially difficult airway as well as the protection of fragile skin and mucous membranes are high priorities during anesthetic planning. Complications can arise with use of even the most routine anesthesia monitors and placement of a simple peripheral IV line. Thorough preoperative planning and meti
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Kahn, S. Lowell, and Sergio Rojas. Deployment Finesse of the Gore Excluder Stent Graft. Edited by S. Lowell Kahn, Bulent Arslan, and Abdulrahman Masrani. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199986071.003.0002.

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The Gore Excluder stent graft was approved for use in the United States by the US Food and Drug Administration (FDA) in 2002. The Excluder is a modular, bifurcated endoprosthesis utilized in the treatment of abdominal aortic aneurysms. The Excluder endoprosthesis is constructed from an expanded polytetrafluoroethylene film and an incorporated “weldless” nickel–titanium stent skeleton for support. The device features no sutures, infrarenal fixation, and is made to be inserted through 12–18 Fr introducer sheaths. Since its approval by the FDA, the Excluder has undergone multiple changes, includi
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Book chapters on the topic "Multipore membranes"

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Simunovic, Mijo, and Gregory A. Voth. "Simulating Protein-Mediated Membrane Remodeling at Multiple Scales." In Physics of Biological Membranes. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-00630-3_14.

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Song, Xiaoxiao, Hong Peng, Jun Wang, et al. "On Small Universality of Spiking Neural P Systems with Multiple Channels." In Membrane Computing. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12797-8_16.

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Dhillon, Ramindar S., and James W. Fairley. "Traumatic perforation of the tympanic membrane." In Multiple-choice Questions in Otolaryngology. Palgrave Macmillan UK, 1989. http://dx.doi.org/10.1007/978-1-349-10805-3_59.

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Pirovano, Walter, Sanne Abeln, K. Anton Feenstra, and Jaap Heringa. "Multiple alignment of transmembrane protein sequences." In Structural Bioinformatics of Membrane Proteins. Springer Vienna, 2010. http://dx.doi.org/10.1007/978-3-7091-0045-5_6.

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Nauman, J., A. Gardas, and B. Czarnocka. "Autoantibodies reacting with thyroid plasma membranes in Graves' disease: importance of multiple plasma membrane antigens." In Thyrotropin, edited by G. Leb, A. Passath, O. Eber, and H. Höfler. De Gruyter, 1987. http://dx.doi.org/10.1515/9783110867398-040.

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Haywood, Anne M. "Evidence for Multiple Steps in Enveloped Virus Binding." In Cell and Model Membrane Interactions. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3854-7_9.

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Miller, Keith W. "Multiple Actions of Ethanol on Acetylcholine Receptors." In Alcohol, Cell Membranes, and Signal Transduction in Brain. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2470-0_8.

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Gamage, Nadisha, Harish Cheruvara, Peter J. Harrison, et al. "High-Throughput Production and Optimization of Membrane Proteins After Expression in Mammalian Cells." In Methods in Molecular Biology. Springer US, 2023. http://dx.doi.org/10.1007/978-1-0716-3147-8_5.

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AbstractHigh-quality protein samples are an essential requirement of any structural biology experiment. However, producing high-quality protein samples, especially for membrane proteins, is iterative and time-consuming. Membrane protein structural biology remains challenging due to low protein yields and high levels of instability especially when membrane proteins are removed from their native environments. Overcoming the twin problems of compositional and conformational instability requires an understanding of protein size, thermostability, and sample heterogeneity, while a parallelized appro
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Lu, Weizhong, Jiawei Shen, Yuqing Qian, Hongjie Wu, Yijie Ding, and Xiaoyi Chen. "Membrane Protein Identification via Multiple Kernel Fuzzy SVM." In Intelligent Computing Theories and Application. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-84532-2_57.

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Su, Yunsheng, Xihan Cheng, and Jiaxing Li. "Membrane-Based Modularization in Prefabrication System Design as a Strategy in Emergency Buildings." In Computational Design and Robotic Fabrication. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-8405-3_35.

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AbstractThis article is about the application of air film-based modular prefabrication system design strategy in emergency buildings. To determine the typical and essential behavior of membrane structures, this paper reviews and compares relevant theories, experiments, and simulations on architectural performance, mechanical properties of membrane materials, and membrane structure performance. In addition, this project tries to use the robotic arm spraying technology to study the strategy of trajectory generation. First, import the model shape into the software for multiple trajectory simulati
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Conference papers on the topic "Multipore membranes"

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Singh, Tejinder, Navjot K. Khaira, and Raafat R. Mansour. "Dual Membrane Multiport DC-40 GHz RF Microelectromechanical Switches." In 2023 URSI International Symposium on Electromagnetic Theory (EMTS). IEEE, 2023. https://doi.org/10.1109/emts57498.2023.10925264.

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Verma, Harshit, and Christos T. Maravelias. "Synthesis of Liquid Mixture Separation Networks Using Multi-Material Membranes." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.151896.

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The synthesis of membrane networks to recover components from liquid mixture is challenging due to an extensive array of feasible network configurations and the added complexity of modeling membrane permeators caused by nonidealities in liquid mixtures. We present a mixed-integer nonlinear programming (MINLP) framework for synthesizing membrane networks to recover multiple components from liquid mixtures. First, we develop a physics-based nonlinear surrogate model to accurately describe crossflow membrane permeation. Second, we propose a richly connected superstructure to represent numerous po
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Ochiai, Tetsuyuki. "Generation of Multiple Bound States in the Continuum without Symmetry Breaking." In Frontiers in Optics. Optica Publishing Group, 2024. https://doi.org/10.1364/fio.2024.jw5a.63.

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We present a scenario to generate multiple bound states in the continuum (BICs) in photonic crystal membranes without breaking system symmetries. It involves the accidental BIC at a critical parameter for a doubly degenerate eigenmode at the Γ point. The two bands with the degenerate eigenmode at Γ exhibit the multiple off-Γ BICs at off-critical parameters. The k dot p perturbation explains some features of the multiple BICs.
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Silverman, Seth A., and Larry Barker. "Cost Effective Seawater Injection Tubing Metallurgy for Deepwater Projects." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07067.

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Abstract The use of high strength American Petroleum Institute (API)(1) 5CT Q-125 Type 1 Cr-Mo steel tubing is planned for treated seawater injection wells for several deepwater projects. The API 5CT Q-125 Type 1 Cr-Mo steel tubing offers multimillion dollar savings per well, compared to the widely used Super Duplex 25 Cr (Unified Numbering system [UNS](2) S32760) tubing. Holding oxygen levels at an average of 10 ppb, with alarm and shut-in levels of 40 ppb, will maintain corrosion rates at an acceptable level for the life of the field. Several field case histories will be presented from opera
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Maeda, Yoshiho, Tatsurou Hiraki, Takuma Aihara, et al. "Micro-transfer Printed Membrane Laser and Electro-absorption Modulator on Si waveguide Integrated with Polymer Spot-size Converter." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.tu3j.4.

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We demonstrate micro-transfer printing for integrating multiple III-V devices with different bandgaps on Si platforms. Membrane DFB lasers and EA modulators are fabricated on Si waveguides with polymer-based spot-size converters, modulating at 128 Gbit/s-NRZ signal.
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Brown, Victor, Ralph W. Stephens, and Ronald D. Kygar. "Use of Mixed Metal Oxide Anodes for Impressed Current Cathodic Protection of above Ground Storage Tanks with Polyethylene Leak Detection Membranes." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92384.

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Abstract As a result of pending state and federal regulations, and a concern over the environmental impact of leaks and spills of crude oil and petroleum products, many owners of above ground storage tanks are installing leak detection systems under the bottoms of all new tanks and under many existing tanks. Most of these leak detection systems consist of a polyethylene membrane installed 6 inches (152mm) to 24 inches (610mm) beneath the steel tank bottom, with the space in between filled with washed sand. The PE membrane presents a dielectric barrier to cathodic protection current from both s
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Singleton, Brooke, Shehab Bassiouni, Sean Vinik, Fiona Follet, and Vilupanur Ravi. "Graphene-Based Coatings on Stainless Steels for Proton Exchange Membrane Fuel Cell Bipolar Plates." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-13533.

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Abstract Proton exchange membrane fuel cells (PEMFCs) are clean and efficient power resources. They only emit water vapor, thereby offering a viable approach to reduce greenhouse gas emissions. To make these power sources cost competitive, multiple approaches can be employed. A crucial component of these fuel cells, i.e. the graphite separator plates, are expensive and prone to fracture. While graphite has excellent corrosion resistance, its porous and brittle nature makes it difficult to shape into thin sheets. Moreover, graphite separator plates can account for 60% of the cost of the fuel ce
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Caruntu, Dumitru I., and Marcos Alipi. "Electrostatically Actuated BIO-MEMS Circular Membrane Resonator Sensors: Voltage Response of Primary Resonance." In ASME 2024 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/detc2024-143015.

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Abstract This paper deals with the voltage-amplitude relationship during the primary resonance of electrostatically actuated circular membrane resonator sensors within the context of BIO-MEMS. The motion of these membranes is governed by a partial differential equation, which is nondimensionalized for analysis. This equation incorporates both damping effects and soft electrostatic actuation. The actuation AC frequency is set close to half of the membrane’s first natural frequency, leading to primary resonance. To investigate membrane’s voltage response, two principal methods were employed: the
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Ding, Wei-Wei, Zao-Jian Zou, and Jing-Ping Wu. "Characteristics of Bragg Reflection of Water Waves by Multiple Vertical Flexible Membranes." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77066.

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Bragg reflection of water waves by multiple vertical flexible membranes in water of uniform depth is investigated based on the assumption of linear wave theory and small membrane deflection. The multiple vertical flexible membranes consist of several floating vertical flexible membranes which are installed with both ends fixed. First, a single vertical flexible membrane in water waves is considered, and the reflection and transmission coefficients are obtained based on the eigenfunction expansion method and the least square method. Then the interaction of water waves with the multiple vertical
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Koombua, Kittisak, Ramana M. Pidaparti, P. Worth Longest, and Gary M. Atkinson. "Micropump With Six Vibrating Membranes: Design Analysis." In ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-49487.

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In this study, a novel design of multiple vibrating membrane micropump has been investigated. The micropump is composed of six membranes and three nozzle/diffuser elements. The membranes were vibrated out-of-phase simultaneously to create pressure difference in the pump chamber. The characteristics of this micropump were analyzed using the finite volume method. The commercial computational fluid dynamics software, FLUENT, with the dynamic mesh algorithm was employed to study velocity field and flow rate during the operating cycle. The simulation results showed that the movement of these membra
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Reports on the topic "Multipore membranes"

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Wang, X. F., and M. Schuldiner. Systems biology approaches to dissect virus-host interactions to develop crops with broad-spectrum virus resistance. United States-Israel Binational Agricultural Research and Development Fund, 2020. http://dx.doi.org/10.32747/2020.8134163.bard.

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More than 60% of plant viruses are positive-strand RNA viruses that cause billion-dollar losses annually and pose a major threat to stable agricultural production, including cucumber mosaic virus (CMV) that infects numerous vegetables and ornamental trees. A highly conserved feature among these viruses is that they form viral replication complexes (VRCs) to multiply their genomes by hijacking host proteins and remodeling host intracellular membranes. As a conserved and indispensable process, VRC assembly also represents an excellent target for the development of antiviral strategies that can b
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Cosman, M., A. T. Tran, J. Ulloa, and R. S. Maxwell. Development of Solid State NMR Methods for the Structural Characterization of Membrane Proteins: Applications to Understand Multiple Sclerosis. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/15007469.

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Zerbib, Olivier, Yaniv Hadi, Daniel Kovarsky, et al. Multiple Recurrent Pneumothoraces and Thoracic Drain Insertion in a Mechanically Ventilated Patient Suffering from Methadone Induced Cardiomyopathy. Science Repository, 2023. http://dx.doi.org/10.31487/j.jcmcr.2022.01.02.

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Objective: To describe the experience of a multimodal therapeutic approach in a patient with methadone-induced dilated cardiomyopathy who developed recurrent bilateral tension pneumothorax. Setting: Department of Intensive Care. Patient: A patient with methadone-induced cardiomyopathy and severe left ventricular dysfunction who after mechanical ventilation underwent bilateral tension pneumothorax and prolonged cardiovascular resuscitation (CPR). Interventions: Cardiac Angiography, Multiple counter–shock (defibrillator dose), Multiple Thoracic Drains. Case Report: A 56-year-old man with past IV
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Naim, Michael, Andrew Spielman, Shlomo Nir, and Ann Noble. Bitter Taste Transduction: Cellular Pathways, Inhibition and Implications for Human Acceptance of Agricultural Food Products. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7695839.bard.

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Historically, the aversive response of humans and other mammals to bitter-taste substances has been useful for survival, since many toxic constituents taste bitter. Today, the range of foods available is more diverse. Many bitter foods are not only safe for consumption but contain bitter constituents that provide nutritional benefits. Despite this, these foods are often eliminated from our current diets because of their unacceptable bitterness. Extensive technology has been developed to remove or mask bitterness in foods, but a lack of understanding of the mechanisms of bitterness perception a
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Delwiche, Michael, Boaz Zion, Robert BonDurant, Judith Rishpon, Ephraim Maltz, and Miriam Rosenberg. Biosensors for On-Line Measurement of Reproductive Hormones and Milk Proteins to Improve Dairy Herd Management. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7573998.bard.

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The original objectives of this research project were to: (1) develop immunoassays, photometric sensors, and electrochemical sensors for real-time measurement of progesterone and estradiol in milk, (2) develop biosensors for measurement of caseins in milk, and (3) integrate and adapt these sensor technologies to create an automated electronic sensing system for operation in dairy parlors during milking. The overall direction of research was not changed, although the work was expanded to include other milk components such as urea and lactose. A second generation biosensor for on-line measuremen
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Fields, Michael J., Mordechai Shemesh, and Anna-Riitta Fuchs. Significance of Oxytocin and Oxytocin Receptors in Bovine Pregnancy. United States Department of Agriculture, 1994. http://dx.doi.org/10.32747/1994.7568790.bard.

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Oxytocin has multiple actions in bovine reproductive tract and it was our purpose to determine the nature of these actions and their significance for the physiology of bovine reproduction. The bovine oxytocin receptors (OTR) gene was cloned and its expression studied during the cycle and pregnancy. OTR mRNA changed in parallel with OTR with control occurring mainly at the transcriptional level. However, the endocrine regulation of OTR were found in endometrium and cervical mucosa at estrus and at parturition. In both tissues OTR were suppressed in the luteal phase and early pregnancy. Whereas
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Grumet, R., J. Burger, Y. Tadmor, et al. Cucumis fruit surface biology: Genetic analysis of fruit exocarp features in melon (C. melo) and cucumber (C. sativus). United States-Israel Binational Agricultural Research and Development Fund, 2020. http://dx.doi.org/10.32747/2020.8134155.bard.

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The fruit surface (exocarp) is a unique tissue with multiple roles influencing fruit growth and development, disease susceptibility, crop yield, post-harvest treatments, shipping and storage quality, and food safety. Furthermore, highly visible exocarp traits are the consumer's first exposure to the fruit, serving to identify fruit type, variety, attractiveness, and market value. Cucurbit fruit, including the closely related Cucumis species, melon (C. melo) and cucumber (C. sativus), exhibit tremendous diversity for fruit surface properties that are not present in model species. In this projec
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Manulis-Sasson, Shulamit, Christine D. Smart, Isaac Barash, Laura Chalupowicz, Guido Sessa, and Thomas J. Burr. Clavibacter michiganensis subsp. michiganensis-tomato interactions: expression and function of virulence factors, plant defense responses and pathogen movement. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7594405.bard.

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Clavibactermichiganensissubsp. michiganensis(Cmm), the causal agent of bacterial wilt and canker of tomato, is the most destructive bacterial disease of tomato causing substantial economic losses in Israel, the U.S.A. and worldwide. The goal of the project was to unravel the molecular strategies that allow Cmm, a Gram-positive bacterium, to develop a successful infection in tomato. The genome of Cmm contains numerous genes encoding for extracellular serine proteases and cell wall degrading enzymes. The first objective was to elucidate the role of secreted serine proteases in Cmm virulence. Mut
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