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Artículos de revistas sobre el tema "Spectron"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 20 de febrero de 2023

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1

Chekhova, M. V. "Two-photon spectron." Journal of Experimental and Theoretical Physics Letters 75, no. 5 (March 2002): 225–26. http://dx.doi.org/10.1134/1.1478518.

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2

Meigh-Andrews, Chris. "Peter Donebauer, Richard Monkhouse and the Development of the EMS Spectron and the Videokalos Image Processor." Leonardo 40, no. 5 (October 2007): 463–67. http://dx.doi.org/10.1162/leon.2007.40.5.463.

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The author details the development of two early color video synthesizers, the EMS Spectron and the Videokalos Image Processor, and examines their influence on video-based art. The Spectron, developed by Richard Monkhouse for Electronic Music Studios, influenced both its creator and various artists in the development of video-based art and images. Artist Peter Donebauer collaborated with Monkhouse to produce the Videokalos, leading to several artworks and a series of live performances.

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3

Gómez, Daniel. "Spectron: Graphical Model for Interacting With Timbre." TecnoLógicas, no. 22 (June 27, 2009): 61. http://dx.doi.org/10.22430/22565337.232.

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Los algoritmos para crear y manipular el sonido por medios electrónicos o digitales han crecido en cantidad y complejidad desde la creación de los primeros sintetizadores análogos. Sin embargo, las técnicas para visualizar estos modelos de síntesis no han crecido a la par de los sintetizadores hardware o software. En este artículo se muestran posibilidades para representar y controlar gráficamente el timbre, basadas en la visualización de los parámetros involucrados en su modelo de síntesis. Un grupo de datos muy simple fue extraído de un sintetizador substractivo comercial y analizado con dos

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4

Carlson, Lawrence E., Bob Radocy, and Peter D. Marschall. "Spectron 12 Cable for Upper-Limb Prostheses." JPO Journal of Prosthetics and Orthotics 3, no. 3 (October 1991): 130???141. http://dx.doi.org/10.1097/00008526-199106000-00010.

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5

Garellick, Göran, Henrik Malchau, and Peter Herberts. "The charnley versus the spectron hip prosthesis." Journal of Arthroplasty 14, no. 4 (June 1999): 407–13. http://dx.doi.org/10.1016/s0883-5403(99)90095-5.

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6

Garellick, Göran, Henrik Malchau, Hans Regnér, and Peter Herberts. "The charnley versus the spectron hip prosthesis." Journal of Arthroplasty 14, no. 4 (June 1999): 414–25. http://dx.doi.org/10.1016/s0883-5403(99)90096-7.

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7

Karapetyan, N., H. Toneyan, A. Kutuzyan, M. Sukiasyan, V. Avetisyan, D. Gulqanyan, K. Apresyan, and L. Mouradian. "Numerical Study of Spectron Shaping Process: Phase Peculiarities." Journal of Contemporary Physics (Armenian Academy of Sciences) 53, no. 2 (April 2018): 129–35. http://dx.doi.org/10.3103/s1068337218020044.

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8

Teeter, Matthew G., Richard W. McCalden, Xunhua Yuan, Steven J. MacDonald, and Douglas D. Naudie. "Predictive accuracy of RSA migration thresholds for cemented total hip arthroplasty stem designs." HIP International 28, no. 4 (May 20, 2018): 363–68. http://dx.doi.org/10.1177/1120700018762179.

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Introduction: Radiostereometric analysis (RSA) migration thresholds for cemented total hip stems have been established beyond which an unacceptably high risk of revision is likely to occur. These thresholds are subsidence >0.23 mm or >1.2 mm after 2 years. The purpose of this study was to retrospectively examine after long-term follow-up the predictive accuracy of the two thresholds. Methods: Data from two previous prospective RSA trials with 2 year follow-up for which minimum 10 year survivorship data was available were used. Thirty-six patients received a Spectron stem, 17 patients rec

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9

de Izarra, G., C. Jammes, B. Geslot, J. Di Salvo, and C. Destouches. "SPECTRON, a neutron noise measurement system in frequency domain." Review of Scientific Instruments 86, no. 11 (November 2015): 115111. http://dx.doi.org/10.1063/1.4935250.

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10

Edwards High Vacuum International. "Modem link trouble shoots remote Spectron 3000 leak detectors." Vacuum 40, no. 3 (1990): 319–20. http://dx.doi.org/10.1016/0042-207x(90)90054-3.

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11

Kristensen, T. B., E. Dybvik, O. Furnes, L. B. Engesæter, and J.-E. Gjertsen. "More reoperations for periprosthetic fracture after cemented hemiarthroplasty with polished taper-slip stems than after anatomical and straight stems in the treatment of hip fractures." Bone & Joint Journal 100-B, no. 12 (December 2018): 1565–71. http://dx.doi.org/10.1302/0301-620x.100b12.bjj-2018-0262.r1.

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Aims The aim of this large registry-based study was to compare mid-term survival rates of cemented femoral stems of different designs used in hemiarthroplasty for a fracture of the femoral neck. Patients and Methods From the Norwegian Hip Fracture Register (NHFR), 20 532 primary cemented bipolar hemiarthroplasties, which were undertaken in patients aged > 70 years with a femoral neck fracture between 2005 and 2016, were included. Polished tapered stems (n = 12 065) (Exeter and CPT), straight stems (n = 5545) (Charnley, Charnley Modular, and Spectron EF), and anatomical stems (n = 2922) (Lub

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12

Negrín, Miguel A., Julian Nam, and Andrew H. Briggs. "Bayesian Solutions for Handling Uncertainty in Survival Extrapolation." Medical Decision Making 37, no. 4 (June 8, 2016): 367–76. http://dx.doi.org/10.1177/0272989x16650669.

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Objective. Survival extrapolation using a single, best-fit model ignores 2 sources of model uncertainty: uncertainty in the true underlying distribution and uncertainty about the stability of the model parameters over time. Bayesian model averaging (BMA) has been used to account for the former, but it can also account for the latter. We investigated BMA using a published comparison of the Charnley and Spectron hip prostheses using the original 8-year follow-up registry data. Methods. A wide variety of alternative distributions were fitted. Two additional distributions were used to address unce

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13

Briggs, AH, MJ Sculpher, J. Dawson, and H. Malchau. "POD14: COST-EFFECTIVENESS ANALYSIS OF THE SPECTRON VERSUS CHARNLEY HIP PROSTHESES." Value in Health 4, no. 6 (September 2001): 471. http://dx.doi.org/10.1016/s1098-3015(11)71661-8.

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14

Issack, Paul S., Herman G. Botero, Rudi N. Hiebert, Matthew R. Bong, Steven A. Stuchin, Joseph D. Zuckerman, and Paul E. Di Cesare. "Sixteen-year follow-up of the cemented spectron femoral stem for hip arthroplasty." Journal of Arthroplasty 18, no. 7 (October 2003): 925–30. http://dx.doi.org/10.1016/s0883-5403(03)00336-x.

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15

Rebelo-Mochel, Flávia, and Flávio J. Ponzoni. "Spectral characterization of mangrove leaves in the Brazilian Amazonian Coast: Turiaçu Bay, Maranhão State." Anais da Academia Brasileira de Ciências 79, no. 4 (December 2007): 683–92. http://dx.doi.org/10.1590/s0001-37652007000400009.

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Mangrove communities are tropical systems which have fewer species than tropical forests, especially in Latin America and display a single architecture, usually lacking the various strata commonly found in other forest ecosystems. The identification of mangrove communities by orbital data is not a difficult task but the most interesting challenge is to identify themselves by the dominant species. The first step toward that floristic identification is the spectral characterization of detached leaves. Leaves from four species of mangrove trees were spectrally characterized considering the Direct

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16

Valle, Alejandro González Della, Adam Rana, Bryan Nestor, Mathias Bostrom, Geoffrey Westrich, and Eduardo A. Salvati. "Metallic Shedding, Surface Finish Changes, and Extensive Femoral Osteolysis in the Loose Spectron EF Stem." Clinical Orthopaedics and Related Research 442 (January 2006): 165–70. http://dx.doi.org/10.1097/01.blo.0000181145.01306.f9.

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17

Burston, Ben J., Jane H. Wood, James R. Lewis, Gareth H. Prosser, Laura Firth, David J. Wood, and Piers J. Yates. "High Failure Rates of the Spectron EF Stem at a Minimum of 10Year's Follow-up." Journal of Arthroplasty 29, no. 10 (October 2014): 1956–60. http://dx.doi.org/10.1016/j.arth.2014.05.003.

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18

Macdonald, W., L. V. Carlsson, C. M. Jacobsson, and T. Q. Lee. "A proximal femoral implant preserves physiological bone deformation: A biomechanical investigation in cadaveric bones." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 217, no. 1 (January 1, 2003): 41–48. http://dx.doi.org/10.1243/095441103762597638.

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The aim of this study was to compare the perturbances in bone deformation patterns of the proximal femur due to a conventional cemented femoral stem and a novel uncemented implant designed on the principles of osseointegration. Five matched pairs of fresh frozen human femora were mechanically tested. Bone deformation patterns, measured with a video digitizing system under 1.5 kN joint force, showed that the cemented Spectron femoral implant caused significant alterations to the proximal femoral deformation pattern, whereas the Gothenburg osseointegrated titanium femoral implant did not signifi

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19

Moreira, Mauricio Alves, Bernardo Friedrich Theodor Rudorff, João Carlos Felício, José Guilherme de Freitas, and Marcelo dos Santos Targa. "Variação espectral e eficiência de uso da radiação fotossinteticamente ativa em ensaio com genótipos de trigo." Bragantia 64, no. 3 (2005): 331–38. http://dx.doi.org/10.1590/s0006-87052005000300003.

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Medidas de radiometria de campo são utilizadas para quantificar a variação espectral e a eficiência de uso da radiação solar na produção de fitomassa (épsilonF), em um experimento com 20 genótipos de trigo, cultivado na área experimental da Universidade de Taubaté, Taubaté, SP, durante o período de maio a outubro de 1999. A cultura foi irrigada em intervalos semanais, visando manter o solo próximo à capacidade de campo. Foram obtidas oito medidas do fator de refletância da cultura do trigo, entre a emergência das plântulas e a maturação fisiológica dos grãos com o radiômetro Spectron SE-590. E

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20

Tavares Júnior, João Batista, Daniel Rodrigues Dos Santos, Flavio Jorge Ponzoni, Quintino Dalmolin, and Alzir Felippe Buffara Antunes. "DETECÇÃO DA PROPAGAÇÃO URBANA DA ERVA-DEPASSARINHO (LORANTHACEAE SP) UTILIZANDO TÉCNICAS DE SENSORIAMENTO REMOTO." Revista Brasileira de Cartografia 63, no. 4 (December 31, 2011): 545–53. http://dx.doi.org/10.14393/rbcv63n4-49226.

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A detecção da ocorrência da erva-de-passarinho em árvores no meio urbano é relevante devido a vários fatores e atranstornos que ela pode causar. Dentre eles, destaca-se o sufocamento e a conseqüente morte da espécie arbóreahospedeira, descaracterizando o padrão de arborização urbana, além de possíveis acidentes provocados pela suaqueda. Atualmente, a detecção é realizada através de observações in-loco com anotações em planilhas ou mapas paraposteriores providências. O objetivo deste trabalho foi de avaliar se há diferenças espectrais significativas entre aresposta espectral das folhas da erva-

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21

Kadar, Thomas, Geir Hallan, Arild Aamodt, Kari Indrekvam, Mona Badawy, Leif Ivar Havelin, Terje Stokke, Kristin Haugan, Birgitte Espehaug, and Ove Furnes. "A randomized study on migration of the Spectron EF and the Charnley flanged 40 cemented femoral components using radiostereometric analysis at 2 years." Acta Orthopaedica 82, no. 5 (October 2011): 538–44. http://dx.doi.org/10.3109/17453674.2011.618914.

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22

Sahabieva, Dzhamilya, Mikhail Deev, Elena D'yanonenko, Irina Poyurovskaya, Fedor Rusanov, and Igor' Lebedenko. "EFFECT OF HIGH-SPEED SINTERING OF RUSSIAN PRODUCED ZICERAM T ZIRCONIA-BASED CERAMIC MATERIAL ON STRENGTH AND COLOR." Actual problems in dentistry 17, no. 4 (February 4, 2022): 140–44. http://dx.doi.org/10.18481/2077-7566-21-17-4-140-144.

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Zirconia dentures are gradually becoming a widespread type of dental prosthetics. The production of zirconia blanks for dentistry has been launched in our country. In recent years, the possibility of high-speed sintering of zirconia dentures has been well studied, which makes it possible to reduce the manufacturing process of dental restorations by four to five times. Zirconia ceramics compositions and high-speed sintering furnaces are being improved, sintering protocols are being optimized. In this paper, we reported about the influence of high-speed firing protocols on important material`s c

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23

Sakhabieva, Djamilia A., Mikhail S. Deev, Elena E. Dyakonenko, Irina Ya Poyurovskaya, Fedor S. Rusanov, and Igor Yu Lebedenko. "Effect of high-speed sintering modes of Russian zirconia samples made of Ziceram T on strength indicators and color." Russian Journal of Dentistry 26, no. 2 (September 4, 2022): 95–102. http://dx.doi.org/10.17816/1728-2802-2022-26-2-95-102.

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BACKGROUND: In recent years, zirconia prostheses have gradually become a mass type of orthopedic treatment. The production of zirconium dioxide blanks for dentistry has also been launched in our country. In recent years, the possibility of speed sintering of dental prostheses made of zirconia has been widely calculated, which makes it possible to reduce the process of manufacturing structures by four to five times. AIM: To investigate the effect of high-speed sintering on important properties, such as strength characteristics during three-point bending and color parameters at 10 differen

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24

Machnicka, Beata, Renata Grochowalska, Dżamila M. Bogusławska, and Aleksander F. Sikorski. "The role of spectrin in cell adhesion and cell–cell contact." Experimental Biology and Medicine 244, no. 15 (June 21, 2019): 1303–12. http://dx.doi.org/10.1177/1535370219859003.

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Spectrins are proteins that are responsible for many aspects of cell function and adaptation to changing environments. Primarily the spectrin-based membrane skeleton maintains cell membrane integrity and its mechanical properties, together with the cytoskeletal network a support cell shape. The occurrence of a variety of spectrin isoforms in diverse cellular environments indicates that it is a multifunctional protein involved in numerous physiological pathways. Participation of spectrin in cell–cell and cell–extracellular matrix adhesion and formation of dynamic plasma membrane protrusions and

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25

Moorthy, Suraj, Lihsia Chen та Vann Bennett. "Caenorhabditis elegans β-G Spectrin Is Dispensable for Establishment of Epithelial Polarity, but Essential for Muscular and Neuronal Function". Journal of Cell Biology 149, № 4 (15 травня 2000): 915–30. http://dx.doi.org/10.1083/jcb.149.4.915.

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The Caenorhabditis elegans genome encodes one α spectrin subunit, a β spectrin subunit (β-G), and a β-H spectrin subunit. Our experiments show that the phenotype resulting from the loss of the C. elegans α spectrin is reproduced by tandem depletion of both β-G and β-H spectrins. We propose that α spectrin combines with the β-G and β-H subunits to form α/β-G and α/β-H heteromers that perform the entire repertoire of spectrin function in the nematode. The expression patterns of nematode β-G spectrin and vertebrate β spectrins exhibit three striking parallels including: (1) β spectrins are associ

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26

Howe, C. L., L. M. Sacramone, M. S. Mooseker, and J. S. Morrow. "Mechanisms of cytoskeletal regulation: modulation of membrane affinity in avian brush border and erythrocyte spectrins." Journal of Cell Biology 101, no. 4 (October 1, 1985): 1379–85. http://dx.doi.org/10.1083/jcb.101.4.1379.

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The spectrins isolated from chicken erythrocytes and chicken intestinal brush border, TW260/240, share a common alpha subunit and a tissue-specific beta subunit. The ability of these related proteins to bind human erythrocyte inside out vesicles (IOVs) and human erythrocyte ankyrin in vitro have been quantitatively compared with human erythrocyte spectrin. Chicken erythrocyte spectrin binds human IOVs and human ankyrin with affinities nearly identical to that for human erythrocyte spectrin. TW260/240 does not significantly bind to either IOVs or ankyrin. These results demonstrate a remarkable

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27

WEI Daoquan, 蔚道权, 王慧琴 WANG Huiqin, 王可 WANG Ke, 王展 WANG Zhan та 甄刚 ZHEN Gang. "基于空谱联合特征的壁画稀疏多光谱图像颜料分类方法". ACTA PHOTONICA SINICA 51, № 4 (2022): 0430002. http://dx.doi.org/10.3788/gzxb20225104.0430002.

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28

Leto, T. L., D. Fortugno-Erikson, D. Barton, T. L. Yang-Feng, U. Francke, A. S. Harris, J. S. Morrow, V. T. Marchesi, and E. J. Benz. "Comparison of nonerythroid alpha-spectrin genes reveals strict homology among diverse species." Molecular and Cellular Biology 8, no. 1 (January 1988): 1–9. http://dx.doi.org/10.1128/mcb.8.1.1-9.1988.

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The spectrins are a family of widely distributed filamentous proteins. In association with actin, spectrins form a supporting and organizing scaffold for cell membranes. Using antibodies specific for human brain alpha-spectrin (alpha-fodrin), we have cloned a rat brain alpha-spectrin cDNA from an expression library. Several closely related human clones were also isolated by hybridization. Comparison of sequences of these and other overlapping nonerythroid and erythroid alpha-spectrin genes demonstrated that the nonerythroid genes are strictly conserved across species, while the mammalian eryth

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29

Leto, T. L., D. Fortugno-Erikson, D. Barton, T. L. Yang-Feng, U. Francke, A. S. Harris, J. S. Morrow, V. T. Marchesi, and E. J. Benz. "Comparison of nonerythroid alpha-spectrin genes reveals strict homology among diverse species." Molecular and Cellular Biology 8, no. 1 (January 1988): 1–9. http://dx.doi.org/10.1128/mcb.8.1.1.

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The spectrins are a family of widely distributed filamentous proteins. In association with actin, spectrins form a supporting and organizing scaffold for cell membranes. Using antibodies specific for human brain alpha-spectrin (alpha-fodrin), we have cloned a rat brain alpha-spectrin cDNA from an expression library. Several closely related human clones were also isolated by hybridization. Comparison of sequences of these and other overlapping nonerythroid and erythroid alpha-spectrin genes demonstrated that the nonerythroid genes are strictly conserved across species, while the mammalian eryth

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30

Данілова, І. С. "Вплив термічної обробки на вміст неорганічних елементів у м'ясі равликів". Вісник Полтавської державної аграрної академії, № 1 (29 березня 2019): 200–206. http://dx.doi.org/10.31210/visnyk2019.01.23.

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Мета статті. Дослідити вміст неорганічних елементів у вареному м'ясі харчових видів равликів Helix pomatia, Helix aspersa maxima та Helix aspersa muller та проаналізувати одержані результати.  Методика досліджень. Вміст неорганічних елементів визначали за допомогою рентгенофлуоресцентного аналізу на приладі «Спектроскан–МАКС - G» НВО «Спектрон». Для цього було сформовано 3 середні проби вареного м'яса равликів по 20,0 ±0,5г кожного виду. М'ясо було термічно оброблене впродовж 90 хвилин, бо саме за такий час м'ясо вважається готовим до вживання. Результати дослідження. Під впливом в

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31

Lawler, J., TL Coetzer, VN Mankad, RB Moore, JT Prchal, and J. Palek. "Spectrin-alpha I/61: a new structural variant of alpha-spectrin in a double-heterozygous form of hereditary pyropoikilocytosis." Blood 72, no. 4 (October 1, 1988): 1412–15. http://dx.doi.org/10.1182/blood.v72.4.1412.1412.

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Abstract Recent biochemical studies have led to the identification of abnormal spectrins in the erythrocytes of patients with hereditary pyropoikilocytosis (HPP) and hereditary elliptocytosis (HE). In this report we describe the biochemical characterization of the erythrocytes from a proband with severe HPP who is doubly heterozygous for two mutant spectrins (Sp): Sp alpha I/74 and a new, previously undetected, mutant of alpha-spectrin designated Sp alpha I/61. The proband's erythrocytes are unstable when exposed to 45 degrees C, and her membrane skeletons exhibit instability to shear stress.

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32

Lawler, J., TL Coetzer, VN Mankad, RB Moore, JT Prchal, and J. Palek. "Spectrin-alpha I/61: a new structural variant of alpha-spectrin in a double-heterozygous form of hereditary pyropoikilocytosis." Blood 72, no. 4 (October 1, 1988): 1412–15. http://dx.doi.org/10.1182/blood.v72.4.1412.bloodjournal7241412.

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Recent biochemical studies have led to the identification of abnormal spectrins in the erythrocytes of patients with hereditary pyropoikilocytosis (HPP) and hereditary elliptocytosis (HE). In this report we describe the biochemical characterization of the erythrocytes from a proband with severe HPP who is doubly heterozygous for two mutant spectrins (Sp): Sp alpha I/74 and a new, previously undetected, mutant of alpha-spectrin designated Sp alpha I/61. The proband's erythrocytes are unstable when exposed to 45 degrees C, and her membrane skeletons exhibit instability to shear stress. The conte

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33

Nicolas, Gaël, Catherine M. Fournier, Colette Galand, Laurence Malbert-Colas, Odile Bournier, Yolande Kroviarski, Monique Bourgeois, et al. "Tyrosine Phosphorylation Regulates Alpha II Spectrin Cleavage by Calpain." Molecular and Cellular Biology 22, no. 10 (May 15, 2002): 3527–36. http://dx.doi.org/10.1128/mcb.22.10.3527-3536.2002.

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ABSTRACT Spectrins, components of the membrane skeleton, are implicated in various cellular functions. Understanding the diversity of these functions requires better characterization of the interacting domains of spectrins, such as the SH3 domain. Yeast two-hybrid screening of a kidney cDNA library revealed that the SH3 domain of αII-spectrin binds specifically isoform A of low-molecular-weight phosphotyrosine phosphatase (LMW-PTP). The αII-spectrin SH3 domain does not interact with LMW-PTP B or C nor does LMW-PTP A interact with the αI-spectrin SH3 domain. The interaction of spectrin with LMW

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34

Higgs, Henry N. "Spectres of spectrin: molecular modeling and hemolytic disease." Trends in Biochemical Sciences 26, no. 12 (December 2001): 702. http://dx.doi.org/10.1016/s0968-0004(01)02004-7.

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35

Hanspal, M., and J. Palek. "Synthesis and assembly of membrane skeletal proteins in mammalian red cell precursors." Journal of Cell Biology 105, no. 3 (September 1, 1987): 1417–24. http://dx.doi.org/10.1083/jcb.105.3.1417.

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The synthesis of membrane skeletal proteins in avian nucleated red cells has been the subject of extensive investigation, whereas little is known about skeletal protein synthesis in bone marrow erythroblasts and peripheral blood reticulocytes in mammals. To address this question, we have isolated nucleated red cell precursors and reticulocytes from spleens and from the peripheral blood, respectively, of rats with phenylhydrazine-induced hemolytic anemia and pulse-labeled them with [35S]methionine. Pulse-labeling of nucleated red cell precursors shows that the newly synthesized alpha- and beta-

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36

Pjotr Stoevelaar, L., Jonas Berzinš, Fabrizio Silvestri, Stefan Fasold, Khosro Zangeneh Kamali, Heiko Knopf, Falk Eilenberger, et al. "Nanostructure-modulated planar high spectral resolution spectro-polarimeter." Optics Express 28, no. 14 (June 22, 2020): 19818. http://dx.doi.org/10.1364/oe.392536.

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37

Baines, Anthony J. "Evolution of spectrin function in cytoskeletal and membrane networks." Biochemical Society Transactions 37, no. 4 (July 22, 2009): 796–803. http://dx.doi.org/10.1042/bst0370796.

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Spectrin is a cytoskeletal protein thought to have descended from an α-actinin-like ancestor. It emerged during evolution of animals to promote integration of cells into tissues by assembling signalling and cell adhesion complexes, by enhancing the mechanical stability of membranes and by promoting assembly of specialized membrane domains. Spectrin functions as an (αβ[H])2 tetramer that cross-links transmembrane proteins, membrane lipids and the actin cytoskeleton, either directly or via adaptor proteins such as ankyrin and 4.1. In the present paper, I review recent findings on the origins and

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Coleman, T. R., A. S. Harris, S. M. Mische, M. S. Mooseker, and J. S. Morrow. "Beta spectrin bestows protein 4.1 sensitivity on spectrin-actin interactions." Journal of Cell Biology 104, no. 3 (March 1, 1987): 519–26. http://dx.doi.org/10.1083/jcb.104.3.519.

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The ability of protein 4.1 to stimulate the binding of spectrin to F-actin has been compared by cosedimentation analysis for three avian (erythrocyte, brain, and brush border) and two mammalian (erythrocyte and brain) spectrin isoforms. Human erythroid protein 4.1 stimulated actin binding of all spectrins except the brush border isoform (TW 260/240). These results suggested that the beta subunit determined the protein 4.1 sensitivity of the heterodimer, since all avian alpha subunits are encoded by a single gene. Tissue-specific posttranslational modification of the alpha subunit was excluded

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Kennedy, S. P., S. L. Warren, B. G. Forget, and J. S. Morrow. "Ankyrin binds to the 15th repetitive unit of erythroid and nonerythroid beta-spectrin." Journal of Cell Biology 115, no. 1 (October 1, 1991): 267–77. http://dx.doi.org/10.1083/jcb.115.1.267.

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Ankyrin mediates the attachment of spectrin to transmembrane integral proteins in both erythroid and nonerythroid cells by binding to the beta-subunit of spectrin. Previous studies using enzymatic digestion, 2-nitro-5-thiocyanobenzoic acid cleavage, and rotary shadowing techniques have placed the spectrin-ankyrin binding site in the COOH-terminal third of beta-spectrin, but the precise site is not known. We have used a glutathione S-transferase prokaryotic expression system to prepare recombinant erythroid and nonerythroid beta-spectrin from cDNA encoding approximately the carboxy-terminal hal

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Wang Qian, 王倩, 赵江山 Zhao Jiangshan, 郭馨 Guo Xin, 范元媛 Fan Yuanyuan, 周翊 Zhou Yi та 江锐 Jiang Rui. "光刻用准分子激光器光谱控制中温度分布对输出光谱影响特性分析". Laser & Optoelectronics Progress 58, № 9 (2021): 0914003. http://dx.doi.org/10.3788/lop202158.0914003.

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41

Depireux, Didier A., Jonathan Z. Simon, David J. Klein, and Shihab A. Shamma. "Spectro-Temporal Response Field Characterization With Dynamic Ripples in Ferret Primary Auditory Cortex." Journal of Neurophysiology 85, no. 3 (March 1, 2001): 1220–34. http://dx.doi.org/10.1152/jn.2001.85.3.1220.

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To understand the neural representation of broadband, dynamic sounds in primary auditory cortex (AI), we characterize responses using the spectro-temporal response field (STRF). The STRF describes, predicts, and fully characterizes the linear dynamics of neurons in response to sounds with rich spectro-temporal envelopes. It is computed from the responses to elementary “ripples,” a family of sounds with drifting sinusoidal spectral envelopes. The collection of responses to all elementary ripples is the spectro-temporal transfer function. The complex spectro-temporal envelope of any broadband, d

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Zhou, Daixing, Jeanine A. Ursitti, and Robert J. Bloch. "Developmental Expression of Spectrins in Rat Skeletal Muscle." Molecular Biology of the Cell 9, no. 1 (January 1998): 47–61. http://dx.doi.org/10.1091/mbc.9.1.47.

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Skeletal muscle contains spectrin (or spectrin I) and fodrin (or spectrin II), members of the spectrin supergene family. We used isoform-specific antibodies and cDNA probes to investigate the molecular forms, developmental expression, and subcellular localization of the spectrins in skeletal muscle of the rat. We report that β-spectrin (βI) replaces β-fodrin (βII) at the sarcolemma as skeletal muscle fibers develop. As a result, adult muscle fibers contain only α-fodrin (αII) and the muscle isoform of β-spectrin (βIΣ2). By contrast, other types of cells present in skeletal muscle tissue, inclu

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Dubreuil, R. R., T. J. Byers, A. L. Sillman, D. Bar-Zvi, L. S. Goldstein, and D. Branton. "The complete sequence of Drosophila alpha-spectrin: conservation of structural domains between alpha-spectrins and alpha-actinin." Journal of Cell Biology 109, no. 5 (November 1, 1989): 2197–205. http://dx.doi.org/10.1083/jcb.109.5.2197.

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We report the complete sequence of Drosophila alpha-spectrin and show that it is similar to vertebrate nonerythroid spectrins. As in vertebrates, the alpha subunit consists of two large domains of repetitive sequence (segments 1-9 and 11-19) separated by a short nonrepetitive sequence (segment 10). The 106-residue repetitive segments are defined by a consensus sequence of 54 residues. Chicken alpha-spectrin (Wasenius, V.-M., M. Saraste, P. Salven, M. Eramaa, L. Holm, V.-P. Lehto. 1989. J. Cell Biol. 108:79-93) shares 50 of these consensus positions. Through comparison of spectrin and alpha-act

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Narne, Vijaya Kumar, Mridula Sharma, Bram Van Dun, Shalini Bansal, Latika Prabhu, and Brian C. J. Moore. "Effects of spectral smearing on performance of the spectral ripple and spectro-temporal ripple tests." Journal of the Acoustical Society of America 140, no. 6 (December 2016): 4298–306. http://dx.doi.org/10.1121/1.4971419.

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45

Dubreuil, R. R., T. J. Byers, C. T. Stewart, and D. P. Kiehart. "A beta-spectrin isoform from Drosophila (beta H) is similar in size to vertebrate dystrophin." Journal of Cell Biology 111, no. 5 (November 1, 1990): 1849–58. http://dx.doi.org/10.1083/jcb.111.5.1849.

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Spectrins are a major component of the membrane skeleton in many cell types where they are thought to contribute to cell form and membrane organization. Diversity among spectrin isoforms, especially their beta subunits, is associated with diversity in cell shape and membrane architecture. Here we describe a spectrin isoform from Drosophila that consists of a conventional alpha spectrin subunit complexed with a novel high molecular weight beta subunit (430 kD) that we term beta H. The native alpha beta H molecule binds actin filaments with high affinity and has a typical spectrin morphology exc

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Schmidt, Burkhard C., Peer-Lennart Gehlken, and Michael E. Böttcher. "Vibrational spectra of BaMn(CO3)2 and a re-analysis of the Raman spectrum of BaMg(CO3)2." European Journal of Mineralogy 25, no. 2 (June 12, 2013): 137–44. http://dx.doi.org/10.1127/0935-1221/2013/0025-2272.

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Lehnert, M. E., and H. F. Lodish. "Unequal synthesis and differential degradation of alpha and beta spectrin during murine erythroid differentiation." Journal of Cell Biology 107, no. 2 (August 1, 1988): 413–26. http://dx.doi.org/10.1083/jcb.107.2.413.

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Murine erythroleukemia (MEL) cells represent a valuable system to study the biogenesis of the cytoskeleton during erythroid differentiation. When attached to fibronectin-coated dishes MEL cells induce, upon addition of DMSO, a 7-d differentiation process during which they enucleate and reach the reticulocyte stage (Patel, V. P., and H. F. Lodish. 1987. J. Cell Biol. 105:3105-3118); they accumulate band 3, spectrin, and ankyrin in amounts equivalent to those found in mature red blood cells. To follow the biosynthesis of spectrin during differentiation, membranes and cytoskeletal proteins of cel

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Tao, Chen, Chunsheng Li, Yingchao Li, Hongxia Wang, Yaru Zhang, Zhiheng Zhou, Xuefei Mao, Zhenyu Ma, and Di Tian. "Correction: A UV digital micromirror spectrometer for dispersive AFS: spectral interference in simultaneous determination of Se and Pb." Journal of Analytical Atomic Spectrometry 34, no. 2 (2019): 413–14. http://dx.doi.org/10.1039/c8ja90055h.

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Correction for ‘A UV digital micromirror spectrometer for dispersive AFS: spectral interference in simultaneous determination of Se and Pb’ by Chen Tao et al., J. Anal. At. Spectrom., 2018, 33, 2098–2106.

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Martin, Michael C., Charlotte Dabat-Blondeau, Miriam Unger, Julia Sedlmair, Dilworth Y. Parkinson, Hans A. Bechtel, Barbara Illman, et al. "3D spectral imaging with synchrotron Fourier transform infrared spectro-microtomography." Nature Methods 10, no. 9 (August 4, 2013): 861–64. http://dx.doi.org/10.1038/nmeth.2596.

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Schneider, A., H. U. Lutz, R. Marugg, P. Gehr, and T. Seebeck. "Spectrin-like proteins in the paraflagellar rod structure of Trypanosoma brucei." Journal of Cell Science 90, no. 2 (June 1, 1988): 307–15. http://dx.doi.org/10.1242/jcs.90.2.307.

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A polyclonal, monospecific rabbit antibody to human erythrocyte spectrins cross-reacted with two sets of proteins (a doublet of 180/200K and a triplet of 67–66-65K; K = 10(3) Mr) in the parasitic protozoon Trypanosoma brucei brucei. Except for the 66K protein, the cross-reacting proteins are localized in the flagellum, on the basis of evidence from cell fractionation and immunofluorescence microscopy. Immunogold labelling and electron micrographs further revealed that the spectrin-like proteins are confined to the paraflagellar rod structure. The spectrin-like proteins with apparent molecular

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