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Artículos de revistas sobre el tema "Reverse Cyclic"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 4 de febrero de 2022

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1

Dienhart, Mary K. y Stephen M. Downs. "Cyclic AMP reversal of hypoxanthine-arrested preimplantation mouse embryos is EDTA-dependent". Zygote 4, n.º 2 (mayo de 1996): 129–37. http://dx.doi.org/10.1017/s0967199400003002.

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SummaryHypoxanthine can block preimplantation mouse embryo development in vitro at the 2- to 4-cell stages, and this has recently been shown to be reversed by cAMP-elevating agents. However, the extent of this hypoxanthine-induced arrest is determined by the culture conditions and strain of mouse. Whitten's and KSOM/AA are two embryo culture media that support preimplantation development to the blastocyst stage. This study was undertaken to examine the influence of several components in these media on hypoxanthine-arrested preimplantation mouse embryos and to test the hypothesis that reversal of the hypoxanthine block by cAMP-elevating agents requires cooperative interaction with the chelator, EDTA. Initial experiments demonstrated that embryo development was blocked in the presence of hypoxanthine in Whitten's medium but not in KSOM/AA; furthermore, removal of EDTA from KSOM/AA rendered this medium incapable of supporting high levels of development to blastocyst (9%), whereas high numbers of blastocysts (80%) formed in Whitten's medium, which does not contain the chelator. Consequently, Whitten's medium was used to test our hypothesis. It has previously been demonstrated that the phosphodiesterase inhibitor, IBMX, can reverse the developmental arrest imposed by hypoxanthine in EDTA-supplemented Earle's basic salt solution, but in the present study the addition of IBMX to Whitten's medium resulted in a block to development and failed to reverse the hypoxanthine arrest. These disparate effects can be explained by the presence or absence of EDTA. Supplementing Whitten's medium with EDTA reverses the IBMX effect, but not the hypoxanthine-induced block. While IBMX alone is unable to reverse the hypoxanthine block in Whitten's medium, development is greatly enhanced by the simultaneous addition of EDTA and IBMX. Similar results were obtained with the cAMP analogue, 8-AHA-cAMP. The data therefore support our hypothesis that the reversal of the hypoxanthine-induced arrest by cAMP-elevating agents is critically dependent on the presence of EDTA. We contrast this with the situation in mouse oocytes, where the hypoxanthine-induced meiotic arrest is not reversed by the addition of EDTA and/or cAMP-elevating agents.

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2

PUCK, THEODORE T., PATRICIA WEBB y ROBERT JOHNSON. "Cyclic AMP and the Reverse Transformation Reaction". Annals of the New York Academy of Sciences 968, n.º 1 (junio de 2002): 122–38. http://dx.doi.org/10.1111/j.1749-6632.2002.tb04331.x.

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3

Dertli, Abdullah y Yasemin Cengellenmis. "On cyclic DNA codes over the rings Z4 + wZ4 and Z4 + wZ4 + vZ4 + wvZ4". BIOMATH 6, n.º 2 (22 de diciembre de 2017): 1712167. http://dx.doi.org/10.11145/j.biomath.2017.12.167.

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The structures of cyclic DNA codes of odd length over the finite rings R = Z4 + wZ4, w^2 = 2 and S = Z4 + wZ4 + vZ4 + wvZ4; w^2 = 2; v^2 =v; wv = vw are studied. The links between the elements of the rings R, S and 16 and 256 codons are established, respectively. The cyclic codes of odd length over the finite ring R satisfy reverse complement constraint and the cyclic codes of odd length over the finite ring S satisfy reverse constraint and reverse complement constraint are studied. The binary images of the cyclic DNA codes over the finite rings R and S are determined. Moreover, a family of DNA skew cyclic codes over R is constructed, its property of being reverse complement is studied.

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4

O'Grady, S. M., H. R. DeJonge, A. B. Vaandrager y M. Field. "Cyclic nucleotide-dependent protein kinase inhibition by H-8: effects on ion transport". American Journal of Physiology-Cell Physiology 254, n.º 1 (1 de enero de 1988): C115—C121. http://dx.doi.org/10.1152/ajpcell.1988.254.1.c115.

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We explored the potential role of cyclic nucleotide-dependent protein phosphorylation in regulating ion transport across flounder intestinal mucosa by studying the effects of N-[2(methylamino)-ethyl]-s-isoquinolinesulfonamide (H-8), a selective inhibitor of cyclic nucleotide-dependent protein kinase in vitro. Addition of H-8 reversed the inhibitory effects of 8-bromoguanosine 3',5'-cyclic-monophosphate (8-BrcGMP), 8-bromoadenosine 3',5'-cyclic monophosphate (8-BrcAMP), atriopeptin III (AP III), and vasoactive intestinal peptide (VIP) on the short-circuit current (Isc) and transepithelial potential difference (PD). Flux measurements established that these changes in Isc and PD directly reflected changes in Na and Cl absorption by the intestine. H-8 was unable, however, to reverse the inhibitory effects on Isc and PD of the Ca ionophore ionomycin and of substance P at dosages exceeding those needed to reverse the effects of AP III, VIP, and the cyclic nucleotides. We conclude that 1) H-8 (100 microM or less) does not exert toxic effects, 2) exogenously added cyclic nucleotide analogues inhibit ion transport through activation of cyclic nucleotide-dependent kinases resulting in protein phosphorylation, 3) activation of these kinases is an essential intermediate step in the inhibitory action of AP III and VIP on ion transport, and 4) the Ca ionophore ionomycin and substance P appear to inhibit ion transport by a mechanism that is independent of cyclic nucleotide-dependent protein phosphorylation.

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5

Zhao, Zuo Zhou, Qin Zhi Liu y Jia Ru Qian. "Performance of Cross Bracings under Reverse Cyclic Loading". Advanced Materials Research 250-253 (mayo de 2011): 1774–80. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.1774.

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Steel braces are widely used in seismic retrofit of buildings. However, their tendency of buckling under compression impairs their efficacy. In this paper, characteristics of a cross bracing with rigid intersection, including its bearing capacity, hysteretic property and fracture ductility are investigated. With the analysis results, performance-based design requirements of a steel cross bracing are proposed based on its width-thickness ratio and effective slenderness ratio.

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6

LIANG, Haihua y Lina PAN. "Method of fast cyclic redundancy check reverse decoding". Journal of Computer Applications 33, n.º 7 (31 de octubre de 2013): 1833–35. http://dx.doi.org/10.3724/sp.j.1087.2013.01833.

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7

Belvisi, Laura, Andrea Caporale, Matteo Colombo, Leonardo Manzoni, Donatella Potenza, Carlo Scolastico, Massimo Castorina, Matilde Cati, Giuseppe Giannini y Claudio Pisano. "Cyclic RGD Peptides Containing Azabicycloalkane Reverse-Turn Mimics". Helvetica Chimica Acta 85, n.º 12 (diciembre de 2002): 4353–68. http://dx.doi.org/10.1002/hlca.200290017.

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8

Eccles, Gordon N. y William C. Purdy. "Pulse cyclic voltammetry. II. Flowing solutions". Canadian Journal of Chemistry 65, n.º 8 (1 de agosto de 1987): 1795–99. http://dx.doi.org/10.1139/v87-301.

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By the use of pulse cyclic chronovoltammetry, better analytical data are sometimes obtained during the reverse scans. This is demonstrated by a chronovoltammetric FIA study of the quinone–hydroquinone couple. A quantitative FIA pulse cyclic chronovoltammetric investigation of the ferri–ferrocyanide reversible couple showed linearity for time-integrated fourier-smoothed data for reduction scan currents as well as the total of the forward and reverse scan peak currents. The detection limit was found to be 2 × 10−6 M.

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9

Khimenko, P. L., T. M. Moore, L. W. Hill, P. S. Wilson, S. Coleman, A. Rizzo y A. E. Taylor. "Adenosine A2 receptors reverse ischemia-reperfusion lung injury independent of beta-receptors". Journal of Applied Physiology 78, n.º 3 (1 de marzo de 1995): 990–96. http://dx.doi.org/10.1152/jappl.1995.78.3.990.

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To evaluate the adenosine systems ability to reverse the endothelial damage produced by ischemia and reperfusion (I/R), we studied several different selective adenosine-receptor agonists and antagonists, a protein kinase A inhibitor, and a beta-adrenoreceptor antagonist in isolated buffer-perfused rat lungs. I/R (45 min/105 min) produced a sixfold increase in endothelial permeability as measured by the capillary filtration coefficient. Both a selective A2-receptor agonist (CGS-21680, 300 nM) and a beta-receptor agonist (isoproterenol, 10 microM) reversed the increased microvascular permeability. A nonselective adenosine-receptor antagonist (SPT, 20 microM) and a selective A1-receptor antagonist (DPCPX, 10 nM) had no effect on increased microvascular permeability. Also, isoproterenol and CGS-21680 reversed the damage being introduced after a selective A1-receptor agonist (CCPA, 100 nM). The nonspecific adenosine A1- and A2-receptor agonist NECA (12 nM) appeared to desensitize the A2 receptors and a protein kinase A inhibitor, adenosine-3′,5′-cyclic monophosphothioate (Rp-cAMPS, 100 microM), blocked the reversal of endothelial damage by isoproterenol or A2-receptor agonist. Propranolol (100 microM) blocked the effect of isoproterenol but not the effect of CGS-21680. From this study we conclude that A2-receptor activation reverses endothelial damage associated with I/R by a mechanism independent of beta-receptors or Gi protein. However, a protein kinase A-3′,5′,-cyclic adenosine monophosphate pathway is activated by both the adenosine systems and beta-receptor activation.

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10

Yu, Ming-xin, Lin Wang, Jia-huan Yu y Nan Yang. "Research on seismic properties of steel reinforced PP ECC column". E3S Web of Conferences 136 (2019): 04052. http://dx.doi.org/10.1051/e3sconf/201913604052.

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The mechanical property of steel reinforced PP ECC columns under reverse cyclic load is investigated and results are presented in this paper. The influence of reinforcement ratio, curing age and volume fraction of PP fiber on load bearing capacity, energy dissipation and stiffness degradation is investigated. The results highlighted the positive contribution of PP ECC to enhance strength and energy dissipation capacity which is important to evaluate the performance of structures subjected to reverse cyclic loads. According to the experimental study on mechanical behavior of steel reinforced PP ECC columns under reverse cyclic loading, the formula of model parameters related to reinforcement ratio are proposed，it is founded that the restoring force model established is of a certain degree of adaptability.

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11

Pedrosa, Mercedes M., Jose L. Mateos, Silvia V. Caffaro, Maria Estrella Legaz y Carlos Vicente. "Separation of Cyclic GMP AND Cyclic AMP from Other Nucleotides by Reverse Phase Hplc". Journal of Liquid Chromatography 15, n.º 10 (julio de 1992): 1749–61. http://dx.doi.org/10.1080/10826079208018324.

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12

Lee, Seo-Yoon, Dong-Ju Lee, Kyeong-Ho Yeon, Woo-Gu Kim, Moon-Sung Kang y Jin-Soo Park. "A Cyclic Voltammetric Study of Electrodes for Reverse Electrodialysis". Journal of the Korean Electrochemical Society 16, n.º 3 (31 de agosto de 2013): 145–50. http://dx.doi.org/10.5229/jkes.2013.16.3.145.

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13

Xu, Yuanhang, Afshin Amini y Mark Schell. "A Forward and Reverse U-Sequence of Cyclic Voltammograms". Journal of Physical Chemistry 98, n.º 48 (diciembre de 1994): 12759–67. http://dx.doi.org/10.1021/j100099a046.

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14

Allison, Susan J. "An oral cyclic peptide drug to reverse kidney fibrosis?" Nature Reviews Nephrology 8, n.º 4 (28 de febrero de 2012): 193. http://dx.doi.org/10.1038/nrneph.2012.26.

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15

ChiaHwan, Yaw y Han JianBo. "The Mechanical Behavior of Fiber Reinforced PP ECC Beams under Reverse Cyclic Loading". Advances in Materials Science and Engineering 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/159790.

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When a structure is hit by earthquake, tremendous amount of seismic energy is released and structure is subjected to reverse loads. The mechanical properties of FRP reinforced PP ECC beams and coupon RC beam under reverse cyclic load controlled by displacement are investigated. Curing ages, reinforcement ratio, and volume fraction of PP fiber are parameters under survey. It is shown that multiple saturated cracking occurred in PP ECC beam and no crushing appeared. The PP ECC can enhance strength and energy dissipation capacity which are important to evaluate the performance of structures subjected to reverse cyclic loading.

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16

Singh, Manoj Kumar, Abhay Kumar Singh, Narendra Kumar, Pooja Mishra y Indivar Gupta. "Construction of Dual Cyclic Codes over {F}_{2}[u,v]/ < u^2, v^2 - v, uv - vu > for DNA Computation". Defence Science Journal 68, n.º 5 (12 de septiembre de 2018): 467–72. http://dx.doi.org/10.14429/dsj.68.12344.

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Here, we assume the construction of cyclic codes over ℜ={F}_{2}[u,v]/ < u^2, v^2 - v, uv - vu >. In particular, dual cyclic codes over ℜ= {F}_{2}[u]/ <u^2> with respect to Euclidean inner product are discussed. The cyclic dual codes over ℜ are studied with respect to DNA codes (reverse and reverse complement). Many interesting results are obtained. Some examples are also provided, which explain the main results. The GC-Content and DNA codes over ℜ are discussed. We summarise the article by giving a special DNA table.

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17

Moreno, J., E. Slouwerhof, D. A. Vermaas, M. Saakes y K. Nijmeijer. "The Breathing Cell: Cyclic Intermembrane Distance Variation in Reverse Electrodialysis". Environmental Science & Technology 50, n.º 20 (4 de octubre de 2016): 11386–93. http://dx.doi.org/10.1021/acs.est.6b02668.

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18

Ganesan, N., M. Nidhi y P. V. Indira. "SFRHPC interior beam-column-slab joints under reverse cyclic loading". Advances in concrete construction 3, n.º 3 (25 de septiembre de 2015): 237–50. http://dx.doi.org/10.12989/acc.2015.3.3.237.

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19

Hemamathi, L. y K. P. Jaya. "Behaviour of Precast Column Foundation Connection under Reverse Cyclic Loading". Advances in Civil Engineering 2021 (7 de abril de 2021): 1–17. http://dx.doi.org/10.1155/2021/6677007.

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Precast column foundation connection is one of the critical connections under reverse cyclic loading, and the present study focuses on this connection. Three types of connections were considered, such as (i) base plate connection, (ii) pocket connection, and (iii) grouted sleeve connection. All the above connections were designed, and experimental investigation was carried out on 1 : 2 scaled models by subjecting the column to lateral reverse cyclic loading. Displacement-controlled loading pattern has been adopted for the testing of the specimens. The structural response of the connection was studied for their (i) load-displacement hysteresis behaviour, (ii) stiffness degradation, (iii) energy dissipation, and (iv) ductility. The results were then compared with that of the monolithic connection. The precast connection was more ductile, and the energy dissipated by the pocket connection was high compared to the base plate and grouted sleeve connection. The ductility and the load-carrying of grouted sleeve connection were small compared to other connections. The results of the study showed the precast column foundation can be used in seismic prone areas.

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20

Weinmann, K. J., A. H. Rosenberger, L. R. Sanchez y B. F. von Turkovich. "The Bauschinger Effect of Sheet Metal Under Cyclic Reverse Pure Bending". CIRP Annals 37, n.º 1 (1988): 289–93. http://dx.doi.org/10.1016/s0007-8506(07)61638-2.

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21

D’Amato, Assunta, Giovanni Pierri, Consiglia Tedesco, Giorgio Della Sala, Irene Izzo, Chiara Costabile y Francesco De Riccardis. "Reverse Turn and Loop Secondary Structures in Stereodefined Cyclic Peptoid Scaffolds". Journal of Organic Chemistry 84, n.º 17 (24 de julio de 2019): 10911–28. http://dx.doi.org/10.1021/acs.joc.9b01509.

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22

Hirose, Yuki, Sefan Asamitsu, Toshikazu Bando y Hiroshi Sugiyama. "Control of Forward/Reverse Orientation Preference of Cyclic Pyrrole–Imidazole Polyamides". Journal of the American Chemical Society 141, n.º 33 (9 de agosto de 2019): 13165–70. http://dx.doi.org/10.1021/jacs.9b05516.

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23

Zheng, Liujuan, Peter Mai, Aili Fan y Shu-Ming Li. "Switching a regular tryptophan C4-prenyltransferase to a reverse tryptophan-containing cyclic dipeptide C3-prenyltransferase by sequential site-directed mutagenesis". Organic & Biomolecular Chemistry 16, n.º 36 (2018): 6688–94. http://dx.doi.org/10.1039/c8ob01735b.

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24

He, Feng y Fanxing Li. "Perovskite promoted iron oxide for hybrid water-splitting and syngas generation with exceptional conversion". Energy & Environmental Science 8, n.º 2 (2015): 535–39. http://dx.doi.org/10.1039/c4ee03431g.

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25

Liu, Xiao-hui, Qiu-yan Zhang, Wen-li Di, Yan-guang Zhang y Chen Ding. "A novel copper catalyst containing a hydroxyl functional group: a facile strategy to prepare block copolymers of vinyl monomer and ε-caprolactone via tandem reverse ATRP and ROP". Polymer Chemistry 8, n.º 32 (2017): 4752–60. http://dx.doi.org/10.1039/c7py01040k.

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26

Ohno, N. y Y. Kachi. "A Constitutive Model of Cyclic Plasticity for Nonlinear Hardening Materials". Journal of Applied Mechanics 53, n.º 2 (1 de junio de 1986): 395–403. http://dx.doi.org/10.1115/1.3171771.

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A constitutive model is proposed for cyclic plasticity of nonlinear hardening materials. The concept of a cyclic nonhardening range, which enables us to describe the dependence of cyclic hardening on the amplitude of cyclic straining or stressing, is employed together with the idea of a two-surface plasticity model. Results of the proposed model are compared with experiments of 304 and 316 stainless steels in several cases of cyclic loading in which mean strain is zero or nonzero and strain limits are fixed or variable. Thus, it is shown that the model successfully describes both the cyclic hardening phenomenon and the transient elastoplastic behavior after initial and reverse yields of these materials. The capability of the model to provide nonlinear cyclic stress-strain curves is also discussed.

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27

Ramaley, Louis y Wee Tee Tan. "Cyclic single drop square wave polarography at spherical electrodes — the reversible case". Canadian Journal of Chemistry 65, n.º 5 (1 de mayo de 1987): 1025–32. http://dx.doi.org/10.1139/v87-174.

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The influence of electrode sphericity and the results of sweep reversal are examined for square wave voltammetry and the square wave polarography in which an entire polarogram is obtained on a single drop. An expanding sphere treatment obtained by adding a spherical correction to expanding plane theory gives the best fit to the experimental data. Amalgam forming reactions fit the simple theory developed to a lesser extent than other reactions, especially on the reverse sweep. The shape of the differential polarogram is not significantly affected by sphericity and the reverse peak potential is approximately equal to the forward peak potential. Small differences in these potentials are due to the distortion of the square wave by the stairstep used for the sweep and the distortion of the polarogram due to drop growth. The ratio of the forward and reverse peak currents depends on the phasing of the square wave and stairstep in all cases and on other parameters for a growing drop.

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28

Edwards, Judson V. y Eivind B. Lillehoj. "Isolation and Liquid Chromatographic Determination of the Cyclic Peptide Mycotoxin Cyclosporin A from Rice". Journal of AOAC INTERNATIONAL 70, n.º 1 (1 de enero de 1987): 126–29. http://dx.doi.org/10.1093/jaoac/70.1.126.

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Abstract A simple method for determination and quantitation of a cyclic peptide mycotoxin, cyclosporin A, in rice is presented. Rice inoculated with Trichoderma polysporum (Link ex Pers.) was extracted with methylene chloride after 4 weeks of incubation. Cyclosporin A was isolated from extracts by using open bed gel filtration column chromatography (LH-20, acetonitrile) and monitored with thin layer chromatography and reverse phase liquid chromatography coelution with a standard. Preliminary thin layer chromatographic methods were developed. Cyclosporin A was detected by iodine and after partial acid hydrolysis by ninhydrin and UV light. A liquid chromatographic method was developed that used a reverse phase disposable cartridge cleanup and isocratic chromatography with a reverse phase octadecylsilica column and a UV detector set at 212 nm. Recovery of cyclosporin A from spiked rice samples (mg/g range) was 85%.

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29

Che, Ye y Garland R. Marshall. "Engineering Cyclic Tetrapeptides Containing Chimeric Amino Acids as Preferred Reverse-Turn Scaffolds". Journal of Medicinal Chemistry 49, n.º 1 (enero de 2006): 111–24. http://dx.doi.org/10.1021/jm0507072.

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30

Ahmad, Basharat, Nitheesha Ganta, Ankit Mahajan, Ahmad Awan y Isaac Opoku-Asare. "A UNIQUE CASE OF REVERSE TAKOTSUBO CARDIOMYOPATHY ASSOCIATED WITH CYCLIC VOMITING SYNDROME". Journal of the American College of Cardiology 73, n.º 9 (marzo de 2019): 2589. http://dx.doi.org/10.1016/s0735-1097(19)33195-x.

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31

Graham, Drew A., David M. Carradine, Donald A. Bender y J. Daniel Dolan. "Performance of Log Shear Walls Subjected to Monotonic and Reverse-Cyclic Loading". Journal of Structural Engineering 136, n.º 1 (enero de 2010): 37–45. http://dx.doi.org/10.1061/(asce)st.1943-541x.0000035.

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32

Nam, Hyun-Suk, Jong-Min Lee, Gyo-Geun Youn, Yun-Jae Kim y Jin-Weon Kim. "Simulation of ductile fracture toughness test under monotonic and reverse cyclic loading". International Journal of Mechanical Sciences 135 (enero de 2018): 609–20. http://dx.doi.org/10.1016/j.ijmecsci.2017.11.037.

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33

De Silva, Sudhira y N. T. Abeygunawardana. "Performance of Ferro-Cement Strengthened Unreinforced Masonry Walls against Reverse Cyclic Loading". Engineer: Journal of the Institution of Engineers, Sri Lanka 52, n.º 4 (23 de julio de 2020): 11. http://dx.doi.org/10.4038/engineer.v52i4.7345.

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34

Arthi, S. y K. P. Jaya. "Hysteresis Behaviour of Precast Shear Wall – Slab Connection under Reverse Cyclic Loading". IOP Conference Series: Materials Science and Engineering 936 (10 de octubre de 2020): 012039. http://dx.doi.org/10.1088/1757-899x/936/1/012039.

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35

Huan, Yu J., W. J. Wei y Yu Jin. "Experimental Study on FRP-Reinforced PP ECC Beams Under Reverse Cyclic Loading". Mechanics of Composite Materials 50, n.º 4 (30 de agosto de 2014): 447–56. http://dx.doi.org/10.1007/s11029-014-9431-1.

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36

Žarnić, Roko, Vlatka Rajčić y Meta Kržan. "Response of laminated glass-CLT structural components to reverse-cyclic lateral loading". Construction and Building Materials 235 (febrero de 2020): 117509. http://dx.doi.org/10.1016/j.conbuildmat.2019.117509.

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37

Shimegi, Satoshi, Quentin S. Fischer, Yupeng Yang, Hiromichi Sato y Nigel W. Daw. "Blockade of Cyclic AMP-Dependent Protein Kinase Does Not Prevent the Reverse Ocular Dominance Shift in Kitten Visual Cortex". Journal of Neurophysiology 90, n.º 6 (diciembre de 2003): 4027–32. http://dx.doi.org/10.1152/jn.00313.2003.

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Monocular deprivation (MD) during the critical period for the development of visual cortex causes a loss of binocular response of neurons and a shift to the open eye, a normal ocular dominance (OD) shift. However, when MD is combined with chronic inactivation of the visual cortex by muscimol, the OD distribution of the neurons shifts to the deprived eye (reverse OD shift). We have previously shown that the normal OD shift is abolished by chronic infusion of the protein kinase A (PKA) inhibitor, 8-chloroadenosine-3′, 5′-cyclic monophosphorothioate, Rpisomer (Rp-8-Cl-cAMPS), into kitten visual cortex. In this study, we investigated the effect of this inhibitor on the reverse OD shift. Combination of MD and muscimol infusion into the visual cortex of 6-wk-old kittens caused a reverse OD shift that was comparable to that seen in previous studies. However, a reverse OD shift was also seen with concurrent infusion of the PKA inhibitor with muscimol. The strongest OD shift was observed in layer IV regardless of the presence or absence of the PKA inhibitor. This suggests that the dissociation of pre- and postsynaptic activities, which occurs mainly at thalamocortical synapses, induces the reverse OD shift and that inhibition of PKA does not prevent it. Presumably, an inhibition of PKA has no effect in silent cortex. We conclude that 1) an activation of PKA is not required for the induction of the reverse OD shift, and 2) the intracellular signaling mechanism underlying MD-induced OD plasticity differs between normal and reverse OD shifts.

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38

Wang, Qi, Lai Wang, Bei Jiang, Hui Li y Qing Fang Liu. "Finite Element Analysis of Behavior in Semi-Rigid Steel Frames". Advanced Materials Research 163-167 (diciembre de 2010): 102–5. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.102.

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A two-span, three-story steel frame with two web and top-seat angle connections was constructed. Then a low-cycled reverse loading experiment with this frame was conducted to obtain elastic-plastic behavior of semi-rigid connections steel frame under cyclic loading. And nonlinear finite element analysis of steel frame with semi-rigid and rigid connection is performed in this paper. At last, comparisons between the analysis results and the testing results are carried out, the behavior and the effects of the two web and top-seat angles connections on steel frame are analyzed.

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39

González-Sánchez, M. I., P. T. Lee, R. H. Guy y R. G. Compton. "In situ detection of salicylate in Ocimum basilicum plant leaves via reverse iontophoresis". Chemical Communications 51, n.º 92 (2015): 16534–36. http://dx.doi.org/10.1039/c5cc06909b.

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We report an in situ quantitative method to measure the concentration of salicylates, from intact, living Ocimum basilicum plant leaves. This simple, non-invasive method utilises iontophoresis in combination with cyclic voltammetry at disposable screen-printed electrodes.

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40

Guin, Soumitra, Debashis Majee y Sampak Samanta. "Unmasking the reverse reactivity of cyclic N-sulfonyl ketimines: multifaceted applications in organic synthesis". Chemical Communications 57, n.º 72 (2021): 9010–28. http://dx.doi.org/10.1039/d1cc03439a.

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This feature article covers the recent status on the reactivities of α-alkyl cyclic N-sulfonyl ketimines as resourceful nucleophiles, targeting fused carbo- and heterocycles, aza-arenes etc. In addition, the mechanistic studies have been presented.

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Du, Xin, Xiaochong Lu, Siyao Shuang, Zhangwei Wang, Qi-lin Xiong, Guozheng Kang y Xu Zhang. "Cyclic Plasticity of CoCrFeMnNi High-Entropy Alloy (HEA): A Molecular Dynamics Simulation". International Journal of Applied Mechanics 13, n.º 01 (enero de 2021): 2150006. http://dx.doi.org/10.1142/s175882512150006x.

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The CoCrFeMnNi high-entropy alloy (HEA) is a potential structural material, whose cyclic plasticity is essential for its safety assessment in service. Here, the effects of twin boundaries (TBs) and temperature on the cyclic plasticity of CoCrFeMnNi HEA were studied by the molecular dynamics (MD) simulation. The simulation results showed that a significant amount of lattice disorders were generated due to the interactions between partial dislocations in CoCrFeMnNi HEA during the cyclic deformation. Lattice disorder impeded the reverse movement of dislocations and then weakened Bauschinger’s effect in the HEA. The cyclic plasticity of CoCrFeMnNi HEA, especially Bauschinger’s effect, depends highly on the temperature and pre-existing TBs. Such dependence lies in the effects of temperature and pre-existing TBs on the extent of lattice disorder. This study helps further understand the cyclic plasticity of CoCrFeMnNi HEA from the atomic scale.

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Abd El Rehim, Sayed S., Magdy AM Ibrahim, Hamdy H. Hassan y Mohammed A. Amin. "Electrochemical behaviour of silver in aqueous chromate solutions". Canadian Journal of Chemistry 76, n.º 8 (1 de agosto de 1998): 1156–61. http://dx.doi.org/10.1139/v98-149.

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The electrochemical behaviour of silver was studied under cyclic voltammetry and chronoamperometry conditions in aqueous K2CrO4 solutions. The forward cyclic voltammograms exhibited one oxidation peak, A1, due to the formation of Ag2CrO4. The height of the anodic peak, A1, increases with increasing chromate concentration, temperature, and scan rate. The solid films formed on the anode surface have been examined by X-ray diffractometry. The reverse voltammograms exhibited two reduction peaks, C1 and C2, indicating the formation of two distinct surface layers of Ag2CrO4, an inner compact layer reduced in peak C1 and an outer powdery layer reduced in peak C2.Key words: silver electrode, cyclic voltammetry, K2CrO4 solutions.

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Dinh, Hai Q., Sachin Pathak, Ashish Kumar Upadhyay y Woraphon Yamaka. "New DNA Codes from Cyclic Codes over Mixed Alphabets". Mathematics 8, n.º 11 (6 de noviembre de 2020): 1977. http://dx.doi.org/10.3390/math8111977.

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Let R=F4+uF4,withu2=u and S=F4+uF4+vF4,withu2=u,v2=v,uv=vu=0. In this paper, we study F4RS-cyclic codes of block length (α,β,γ) and construct cyclic DNA codes from them. F4RS-cyclic codes can be viewed as S[x]-submodules of Fq[x]⟨xα−1⟩×R[x]⟨xβ−1⟩×S[x]⟨xγ−1⟩. We discuss their generator polynomials as well as the structure of separable codes. Using the structure of separable codes, we study cyclic DNA codes. By using Gray maps ψ1 from R to F42 and ψ2 from S to F43, we give a one-to-one correspondence between DNA codons of the alphabets {A,T,G,C}2,{A,T,G,C}3 and the elements of R,S, respectively. Then we discuss necessary and sufficient conditions of cyclic codes over F4, R, S and F4RS to be reversible and reverse-complement. As applications, we provide examples of new cyclic DNA codes constructed by our results.

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44

Liu, Chunquan, Qichun Peng y Zhengliang Xue. "Microstructure and mechanical properties of Mo-Nb microalloyed medium Manganese trip Steel by cyclic quenching". Metallurgical and Materials Engineering 25, n.º 2 (2 de julio de 2019): 139–46. http://dx.doi.org/10.30544/426.

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A novel cyclic quenching (CQ) and austenite reverse transformation (ART) was proposed for a Fe-0.25C-3.98Mn-1.22Al-0.20Si-0.19Mo-0.03Nb (wt.%) Mo-Nb microalloyed medium-Mn TRIP steel to improve strength and ductility. The results show that after twice cyclic quenching and ART exhibited optimum comprehensive properties, characterized by an ultimate tensile strength of 838 MPa, a total elongation of 90.8%, a product of strength and elongation (PSE) of 76.1 GPa·%, and the volume fraction of austenite of approximately 62 vol.%.

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TAKI ELDIN, Ramy y Hajime MATSUI. "Run-Length Constraint of Cyclic Reverse-Complement and Constant GC-Content DNA Codes". IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E103.A, n.º 1 (1 de enero de 2020): 325–33. http://dx.doi.org/10.1587/transfun.2019eap1053.

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Ganesan, N., P. V. Indira y M. V. Sabeena. "Behaviour of hybrid fibre reinforced concrete beam–column joints under reverse cyclic loads". Materials & Design (1980-2015) 54 (febrero de 2014): 686–93. http://dx.doi.org/10.1016/j.matdes.2013.08.076.

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Raj, S. Deepa, N. Ganesan, Ruby Abraham y Anumol Raju. "Behavior of geopolymer and conventional concrete beam column joints under reverse cyclic loading". Advances in concrete construction 4, n.º 3 (25 de septiembre de 2016): 161–72. http://dx.doi.org/10.12989/acc.2016.4.3.161.

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Miranti, C. y T. T. Puck. "Gene regulation in reverse transformation: Cyclic AMP-induced actin homolog in CHO cells". Somatic Cell and Molecular Genetics 16, n.º 1 (enero de 1990): 67–78. http://dx.doi.org/10.1007/bf01650481.

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Chiba, Tadachika, Hassan Shirazi, Goro Miyamoto y Tadashi Furuhara. "Grain Refinement by Cyclic Displacive Forward/Reverse Transformation in Fe-High-Ni Alloys". Metallurgical and Materials Transactions A 48, n.º 9 (30 de mayo de 2017): 4204–10. http://dx.doi.org/10.1007/s11661-017-4152-4.

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Wereszczak, A. A., T. P. Kirkland y M. K. Ferber. "Reverse cyclic fatigue of a hot isostatically pressed silicon nitride at 1370 °C". Journal of Materials Science 31, n.º 24 (diciembre de 1996): 6541–53. http://dx.doi.org/10.1007/bf00356261.

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