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Artículos de revistas sobre el tema "Field-dependent specific heat C(T,H)"

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Publicado: 25 de mayo de 2024
Última modificación: 31 de julio de 2025

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1

HAGIWARA, M., H. TSUJII, C. R. ROTUNDU, et al. "FIELD-INDUCED TOMONAGA–LUTTINGER LIQUID OF A QUASI-ONE-DIMENSIONAL S = 1 ANTIFERROMAGNET." Modern Physics Letters B 21, no. 16 (2007): 965–76. http://dx.doi.org/10.1142/s0217984907013626.

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We review the results of specific-heat experiments on the S = 1 quasi-one-dimensional (quasi-1D) bond-alternating antiferromagnet Ni(C 9 H 24 N 4)( NO 2) ClO 4, alias NTENP. At low temperatures above the transition temperature of a field-induced long-range order, the magnetic specific heat (C mag ) of this compound becomes proportional to temperature (T), when a magnetic field along the spin chains exceeds the critical field H c at which the energy gap vanishes. The ratio C mag /T, which increases as the magnetic field approaches H c from above, is in good quantitative agreement with a predict
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2

KIM, J. S., J. ALWOOD, P. KUMAR, and G. R. STEWART. "SPECIFIC HEAT ANOMALY FOR H ≥ 28.5 T IN CeIrIn5." International Journal of Modern Physics B 16, no. 20n22 (2002): 3014–17. http://dx.doi.org/10.1142/s0217979202013456.

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Recently Takeuchi reported a weak, 'metamagnetic-like' increase in the magnetization around 42 T in single crystals of CeIrIn 5 for field in the c-direction. We report specific heat measurements on single crystal CeIrIn 5, H parallel c-axis, measured in the dc hybrid magnet at NHMFL in Tallahassee between 1.4 and 10 K. A clear anomaly in C/T in 35 T is observed to peak at 1.8 K, with an entropy of 6% of RIn2. This anomaly grows in size and shifts upwards in temperature (both monotonically) with increasing H until at 45 T T peak =4.1 K , with the entropy associated with the transition equal to
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3

Chauhan, Himanshu, Rohit Kumar, and G. D. Varma. "Study of anisotropy in the superconducting properties of FeTe0.55Se0.45 single crystal grown by the self-flux method." Superconductor Science and Technology 35, no. 4 (2022): 045003. http://dx.doi.org/10.1088/1361-6668/ac504d.

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Abstract We report anisotropy in the superconducting properties of FeTe0.55Se0.45 bulk single crystal synthesized via the self-flux method. We have performed magnetotransport, magnetic and heat capacity measurements on single crystals of same batch. The grown crystals have also been characterized by XRD, XPS and Raman measurements. The superconductivity at T C ∼ 14 K has been affirmed by the temperature-dependent resistivity, magnetic, and specific heat measurements. The anisotropy in the upper critical field (H C2), coherence length (ξ), and critical current density (J C) have been studied fr
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4

Kiefer, Dominik, Jens Gibmeier, and Andreas Stark. "Determination of Temperature-Dependent Elastic Constants of Steel AISI 4140 by Use of In Situ X-ray Dilatometry Experiments." Materials 13, no. 10 (2020): 2378. http://dx.doi.org/10.3390/ma13102378.

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In situ dilatometry experiments using high energy synchrotron X-ray diffraction in transmission mode were carried out at the high energy material science beamline P07@PETRAIII at DESY (Deutsches Elektronen Synchrotron) for the tempering steel AISI 4140 at defined mechanical loading. The focus of this study was on the initial tempering state ( f e r r i t e ) and the hardened state ( m a r t e n s i t e ). Lattice strains were calculated from the 2D diffraction data for different h k l planes and from those temperature-dependent lattice plane specific diffraction elastic constants ( D E C s ) w
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5

LU, JING, and LIYUAN ZHANG. "TWO-COMPONENT SUPERCONDUCTIVITY FOR DOPED FULLERENES." Modern Physics Letters B 10, no. 17 (1996): 823–29. http://dx.doi.org/10.1142/s0217984996000936.

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The combining mechanism of the itinerant carrier pair and the local carrier pair (two-component model) is considered for doped fullerenes. The superconducting transition temperature T c , penetration depth λ, coherent length ξ, thermodynamic critical field H c and specific heat jump ΔC/T c are calculated and there is overall consistency between the calculations and the experiments for both alkali-metal-doped fullerenes ( Na 3 C 60, K 3 C 60, Rb 3 C 60 and RbCs 2 C 60) and alkaline-earth doped fullerenes ( Ba 6 C 60).
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6

MA, Y. L., and X. X. DAI. "PHENOMENOLOGICAL IMPLICATIONS OF HIGH-Tc SUPERCONDUCTIVITY." International Journal of Modern Physics B 06, no. 14 (1992): 2499–519. http://dx.doi.org/10.1142/s0217979292001250.

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We develop a phenomenological model for high-T c superconductors. Some main features are emerging in copper oxides: characteristic quasi two-dimensional Cu-O planes, strong correlation of antiferromagnetism, existence of a vortex lattice structure, and observation of a small coherence length and a large penetration depth. These features indicate that the superconductive pair is reasonably constrained to a small volume in real space and may be conceived of as a string-carrying vortex, and therefore can be well simulated by the dual phenomenological local boson fields [Formula: see text] and Φ.
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7

Gouda, Kaiki, and Takashi Nishioka. "Angular-field magnetic phase diagram of b-plane at 4 K of YAlGe-type TbAlGe with zigzag-chain." Journal of Physics: Conference Series 2164, no. 1 (2022): 012072. http://dx.doi.org/10.1088/1742-6596/2164/1/012072.

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Abstract Orthorhombic YAlGe-type TbAlGe is expected to have an interesting magnetic anisotropy due to zigzag chains of the Tb ions. We have grown the single crystal for the first time and measured the AC magnetic susceptibility and specific heat from 1.3 K to 60 K, and the vector magnetization for the b-plane up to 7 T at 4 K. The specific heat and AC magnetic susceptibility indicate that there are two antiferromagnetic transitions at T N1 = 38 K and TN2 = 7.6 K, where the transition at T N2 is first-order like. The magnetization curve at 4 K for the a-axis shows a large hysteresis, and metama
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8

Volkova, Olga S., Abdellali Hadj-Azzem, Gyorgy Remenyi, et al. "Magnetic Phase Diagram of van der Waals Antiferromagnet TbTe3." Materials 15, no. 24 (2022): 8772. http://dx.doi.org/10.3390/ma15248772.

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Terbium tritelluride, TbTe3, orders antiferromagnetically in three steps at TN1 = 6.7 K, TN2 = 5.7 K, and TN3 = 5.4 K, preceded by a correlation hump in magnetic susceptibility at T* ~8 K. Combining thermodynamic, i.e., specific heat Cp and magnetization M, and transport, i.e., resistance R, measurements we established the boundaries of two commensurate and one charge density wave modulated phases in a magnetic field oriented along principal crystallographic axes. Based on these measurements, the magnetic phase diagrams of TbTe3 at H‖a, H‖b and H‖c were constructed.
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9

Suyama, Masahiro, Sunseng Pyon, Yasuhiro Iijima, Satoshi Awaji, and Tsuyoshi Tamegai. "Trapping a magnetic field of 17.89 T in stacked coated conductors by suppression of flux jumps." Superconductor Science and Technology 35, no. 2 (2022): 02LT01. http://dx.doi.org/10.1088/1361-6668/ac4560.

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Abstract We have successfully trapped a field of 17.89 T at 6.5 K at the center of a compact coated-conductor (CC) stacks (13 × 12 × 11.7 mm3) within 75 min by suppressing flux jumps. The CC stack consists of 200 sheets of EuBa2Cu3O7 CCs with BaHfO3 nanorods to increase the critical current density at high fields and low temperatures. To enhance thermomagnetic stability, the central 50 CCs are coated with 1 µm thick Pb with large specific heat at low temperatures. Numerical calculations based on the actual J c–H characteristics reproduces the trapped field quantitatively. New directions for ac
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10

Fonseca Jr., J. G., and P. S. Schneider. "COMPARATIVE ANALYSIS OF THE IAPWS-IF97 FORMULATION PERFORMANCE FOR THERMODYNAMIC PROPERTIES OF WATER ON A RANKINE CYCLE." Revista de Engenharia Térmica 3, no. 1 (2004): 52. http://dx.doi.org/10.5380/reterm.v3i1.3488.

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The present paper presents the computational implementation of the industrial
formulation of the thermodynamic properties of water at liquid and
steam phases, proposed by the International Association for the Properties
of Water and Steam, known as IAPWS-IF97. The validity field extends over
to temperatures T between 0ºC and 800°C, for pressures p up to 100 MPa.
Temperature T, specific volume v, specific enthalpy h, specific entropy s,
specific heat at constant pressure cp and constant volume cv, besides saturation
pressure ps, are calculated having a pair of
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11

Zhao, Yi, Jun Deng, A. Bhattacharyya, et al. "Superconductivity in the Layered Cage Compound Ba3Rh4Ge16." Chinese Physics Letters 38, no. 12 (2021): 127402. http://dx.doi.org/10.1088/0256-307x/38/12/127402.

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We report the synthesis and superconducting properties of a layered cage compound Ba3Rh4Ge16. Similar to Ba3Ir4Ge16, the compound is composed of 2D networks of cage units, formed by noncubic Rh–Ge building blocks, in marked contrast to the reported rattling compounds. The electrical resistivity, magnetization, specific heat capacity, and μSR measurements unveiled moderately coupled s-wave superconductivity with a critical temperature T c = 7.0 K, the upper critical field μ 0 H c2(0) ∼ 2.5 T, the electron-phonon coupling strength λ e−ph ∼ 0.80, and the Ginzburg–Landau parameter κ ∼ 7.89. The ma
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12

Soriani, Marco, Neil A. Williams, and Timothy R. Hirst. "Escherichia coli Enterotoxin B Subunit Triggers Apoptosis of CD8+ T Cells by Activating Transcription Factor c-Myc." Infection and Immunity 69, no. 8 (2001): 4923–30. http://dx.doi.org/10.1128/iai.69.8.4923-4930.2001.

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ABSTRACT Heat-labile enterotoxin from enterotoxinogenic Escherichia coli is not only an important cause of diarrhea in humans and domestic animals but also possesses potent immunomodulatory properties. Recently, the nontoxic, receptor-binding B subunit of heat-labile enterotoxin (EtxB) was found to induce the selective death of CD8+ T cells, suggesting that EtxB may trigger activation of proapoptotic signaling pathways. Here we show that EtxB treatment of CD8+ T cells but not of CD4+ T cells triggers the specific up-regulation of the transcription factorc-myc, implicated in the control of cell
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13

Szewczyk, Kamila A., Ewa A. Drzazga-Szczȩśniak, Marcin W. Jarosik, Klaudia M. Szczȩśniak, and Sandra M. Binek. "Characteristics of the s–Wave Symmetry Superconducting State in the BaGe3 Compound." Symmetry 11, no. 8 (2019): 977. http://dx.doi.org/10.3390/sym11080977.

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Thermodynamic properties of the s–wave symmetry superconducting phase in three selected structures of the BaGe 3 compound ( P 6 3 / m m c , A m m 2 , and I 4 / m m m ) were discussed in the context of DFT results obtained for the Eliashberg function. This compound may enable the implementation of systems for quantum information processing. Calculations were carried out within the Eliashberg formalism due to the fact that the electron–phonon coupling constant falls within the range λ ∈ 0 . 73 , 0 . 86 . The value of the Coulomb pseudopotential was assumed to be 0 . 122 , in accordance with the
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14

Wechalekar, H., B. P. Setchell, W. G. Breed, M. Ricci, C. Leigh, and E. Peirce. "437. Whole body heat stress induces selective germ cell apoptosis in mice." Reproduction, Fertility and Development 20, no. 9 (2008): 117. http://dx.doi.org/10.1071/srb08abs437.

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Introduction: In scrotal mammals, heat stress (43°C/ 20 min) to the scrotum results in germ cell death in the testes1, abnormal spermatozoa, and infertility2 whereas two days of whole body heating (36°C, 12 h/ day) reduces testes weight, sperm numbers and fertility3. The aim of the present study was to determine the intratesticular effects of whole body heating on germ cell maturation and apoptosis. Methods: C57BL/6 mice (n = 16) were housed at 37–38°C for 8 h/ day for 3 days while controls (n = 4) were kept at 23–24°C. Animals from heat treated (n = 4), and control groups (n = 1) were sacrifi
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15

Chen, Quanyi, and Clifford Snapper. "Inflammatory monocytes are critical for induction of a polysaccharide-specific antibody response to an intact bacterium (P3046)." Journal of Immunology 190, no. 1_Supplement (2013): 125.1. http://dx.doi.org/10.4049/jimmunol.190.supp.125.1.

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Abstract Although inflammatory monocytes (IM) [CD11b+Ly6Chi] play important roles in cell-mediated host protection against intracellular pathogens, their impact on humoral immune responses to extracellular bacteria are unknown. IM, localized largely in the splenic marginal zone of naïve CD11b-Diphtheria toxin receptor (DTR) bone marrow chimeric mice, were selectively depleted following treatment with DT, including no reduction of peritoneal B1a or B1b cells, which express CD11b. Depletion of IM resulted in a marked reduction in the polysaccharide (PS)-specific, T cell-independent IgM and T ce
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16

Huang, Q., R. Rawl, W. W. Xie, et al. "Non-magnetic ion site disorder effects on the quantum magnetism of a spin-1/2 equilateral triangular lattice antiferromagnet." Journal of Physics: Condensed Matter 34, no. 20 (2022): 205401. http://dx.doi.org/10.1088/1361-648x/ac5703.

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Abstract With the motivation to study how non-magnetic ion site disorder affects the quantum magnetism of Ba3CoSb2O9, a spin-1/2 equilateral triangular lattice antiferromagnet, we performed DC and AC susceptibility, specific heat, elastic and inelastic neutron scattering measurements on single crystalline samples of Ba2.87Sr0.13CoSb2O9 with Sr doping on non-magnetic Ba2+ ion sites. The results show that Ba2.87Sr0.13CoSb2O9 exhibits (i) a two-step magnetic transition at 2.7 K and 3.3 K, respectively; (ii) a possible canted 120 degree spin structure at zero field with reduced ordered moment as 1
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17

HAMMOND, T. G., E. BENES, K. C. O’REILLY, et al. "Mechanical culture conditions effect gene expression: gravity-induced changes on the space shuttle." Physiological Genomics 3, no. 3 (2000): 163–73. http://dx.doi.org/10.1152/physiolgenomics.2000.3.3.163.

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Hammond, T. G., E. Benes, K. C. O’Reilly, D. A. Wolf, R. M. Linnehan, J. H. Kaysen, P. L. Allen, and T. J. Goodwin. Mechanical culture conditions effect gene expression: gravity-induced changes on the space shuttle. Physiol Genomics 3: 163–173, 2000.—Three-dimensional suspension culture is a gravity-limited phenomenon. The balancing forces necessary to keep the aggregates in suspension increase directly with aggregate size. This leads to a self-propagating cycle of cell damage by balancing forces. Cell culture in microgravity avoids this trade-off. We determined which genes mediate three-dimen
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18

Liu, Yi, Jing Li, Shi-Jie Song, et al. "Magnetism and Transport Properties of EuCdBi2 with Bi Square Net." Crystals 13, no. 4 (2023): 654. http://dx.doi.org/10.3390/cryst13040654.

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We report a possible coexistence of nontrivial topology and antiferromagnetism in the newly discovered compounds EuCdBi2, with magnetic Eu layer locating above and below Bi square net. The X-ray diffraction on single crystals and powder indicats that this 112-type material crystalizes in space group of I4/mmm, the same as SrMnBi2 and EuMnBi2. Our combined measurements of magnetization, electrical transport and specific heat consistently reveal antiferromagnetic (AFM) transition of Eu2+ moments at TN = 20 K. The Eu moments are not saturated under a field of 7 T at 1.8 K. The anisotropic suscept
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19

Autieri, M. V., K. L. Fresa, F. D. Coffman, M. E. Katz, and S. Cohen. "Induction of a cytoplasmic activator of DNA synthesis in lymphocytes is mediated through a membrane-associated protein kinase." Cell Regulation 1, no. 13 (1990): 1015–25. http://dx.doi.org/10.1091/mbc.1.13.1015.

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We have shown previously that cytoplasmic extracts from actively dividing lymphoid cells are capable of inducing DNA synthesis in isolated nuclei. One of the factors involved in this activity, ADR, appears to be a greater than 90 kDa heat-labile protease. Cytoplasmic extracts prepared from nonproliferating lymphocytes express little to no ADR activity. However, ADR activity can be generated in these extracts by brief exposure to a membrane-enriched fraction of spontaneously proliferating, leukemic human T lymphoblastoid (MOLT-4) cells. This suggests that ADR activity is present in the resting
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20

Ushio, Hideki, and Hiroshi Kamimura. "III. Energy Bands, Fermi Surfaces and Density of States of the Hole Carriers in the Presence of the Local Antiferromagnetic Ordering." International Journal of Modern Physics B 11, no. 32 (1997): 3759–96. http://dx.doi.org/10.1142/s0217979297001933.

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We have separated a hole carrier and a localized spin, by treating the exchange interaction between the spins of a carrier hole and a localized spin in a mean field sense. Then we have constructed the effective one-electron-type band structure for the hole carriers in the presence of the antiferromagnetic (AF) ordering of the localized spins. In the case of the undoped La2CuO4 all the energy bands are fully occupied by electrons so that La2CuO4 is an insulator. In this sense the present energy bands which include the many body effect fully is completely different from the ordinary energy band
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21

Matsubara, Toshiyuki, Takashi Ohshiro, Yoshihiro Nishina, and Yoshikazu Izumi. "Purification, Characterization, and Overexpression of Flavin Reductase Involved in Dibenzothiophene Desulfurization byRhodococcus erythropolis D-1." Applied and Environmental Microbiology 67, no. 3 (2001): 1179–84. http://dx.doi.org/10.1128/aem.67.3.1179-1184.

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ABSTRACT The dibenzothiophene (DBT)-desulfurizing bacterium,Rhodococcus erythropolis D-1, removes sulfur from DBT to form 2-hydroxybiphenyl using four enzymes, DszC, DszA, DszB, and flavin reductase. In this study, we purified and characterized the flavin reductase from R. erythropolis D-1 grown in a medium containing DBT as the sole source of sulfur. It is conceivable that the enzyme is essential for two monooxygenase (DszC and DszA) reactions in vivo. The purified flavin reductase contains no chromogenic cofactors and was found to have a molecular mass of 86 kDa and four identical 22-kDa sub
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22

Lusso, P., M. Malnati, A. De Maria, et al. "Productive infection of CD4+ and CD8+ mature human T cell populations and clones by human herpesvirus 6. Transcriptional down-regulation of CD3." Journal of Immunology 147, no. 2 (1991): 685–91. http://dx.doi.org/10.4049/jimmunol.147.2.685.

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Abstract The susceptibility to infection by human herpes-virus 6 (HHV-6) of mature human T lymphocytes belonging to the two major subpopulations (i.e., CD3+ CD4+ CD8- and CD3+ CD4- CD8+) was investigated by using CD4+ or CD8+ T cell populations and clones derived from normal adult peripheral blood. Productive HHV-6 infection was observed in both CD4+ and CD8+ T cells. By days 2 to 6 after infection, increasing numbers of cells exhibited characteristic morphologic alterations, becoming enlarged, uniformly rounded and refractile as a consequence of the virus-induced cytopathic effect. During the
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23

NG, Leong L., Sonja JENNINGS, Joan E. DAVIES, and Paulene A. QUINN. "Na+/H+ exchanger activity and phosphorylation in temperature-sensitive immortalized proximal tubule cell lines derived from the spontaneously hypertensive rat." Clinical Science 98, no. 4 (2000): 409–18. http://dx.doi.org/10.1042/cs0980409.

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Freshly isolated proximal tubules from the spontaneously hypertensive rat (SHR) demonstrate elevated Na+/H+ exchanger (NHE) activity, but the underlying mechanism is unclear. Because of the difficulties in preparing sufficient numbers of proximal tubule cells for detailed biochemical studies, we have generated cell lines from SHR and Wistar–Kyoto rat (WKY) proximal tubule cells. Cell lines were obtained by transforming the cells with an origin-defective mutant of simian virus 40 encoding a heat-labile T antigen (tsA58 transformant). Such cells proliferate at the permissive temperature of 33 °C
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24

Epperly, N. A., A. J. Lechner, C. A. Johanns, R. O. Webster, and G. M. Matuschak. "Bidirectional effects of hepatic ischemia/reperfusion on E. coli-induced TNF-alpha gene expression." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 270, no. 1 (1996): R289—R297. http://dx.doi.org/10.1152/ajpregu.1996.270.1.r289.

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We tested the hypothesis that gram-negative bacteremia (GNB) and brief (30 min) reductions in the hepatic O2 supply by low-flow ischemia differentially modulate tumor necrosis factor-alpha (TNF-alpha) gene expression owing to sequence-specific activation of cyclooxygenase vs. complement (C) pathways. Buffer-perfused Sprague-Dawley rat livers (n = 82) were studied over 180 min after intraportal 10(9) live E. coli serotype 055:B5 (EC) or 0.9% NaCl (NS) at t = 0. Compared with EC and NS controls receiving constant-flow perfusion, sequential GNB and ischemia/reperfusion (I/R) were studied in EC +
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25

Chen, Xia, та Qiang Xiao. "EpOME Regulates Staphylococcus Aureus-Induced Allergic Airway Inflammation by Targeting the NF-κB and MAPK Signaling Pathways". International Journal Of Family Medicine And Public Health 04, № 01 (2025): 01–05. https://doi.org/10.51521/jjgastro-e401.

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leading to serious quality of life impairments such as allergic rhinitis and asthma, especially in children and newborns. Staphylococcus aureus is a common pathogen that plays a crucial role in exacerbating these inflammatory conditions by activating key immune pathways, including NF - κ B and MAPK. This study investigated the potential therapeutic effect of linoleic acid metabolite 9,10-epoxyoctadecenoic acid (EpoME) in regulating allergic airway inflammation induced by Staphylococcus aureus. There are studies suggesting that EpoME may regulate these inflammatory pathways to reduce inflammati
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26

Ierino, F. L., M. S. Powell, I. F. McKenzie, and P. M. Hogarth. "Recombinant soluble human Fc gamma RII: production, characterization, and inhibition of the Arthus reaction." Journal of Experimental Medicine 178, no. 5 (1993): 1617–28. http://dx.doi.org/10.1084/jem.178.5.1617.

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A recombinant soluble form of human Fc gamma RII (rsFc gamma RII) was genetically engineered by the insertion of a termination codon 5' of sequences encoding the transmembrane domain of a human Fc gamma RII cDNA. Chinese hamster ovary cells were transfected with the modified cDNA and the secreted rsFc gamma RII purified from the tissue culture supernatant (to > 95%, assessed by SDS-PAGE) using heat aggregated human immunoglobulin G (IgG) immunoaffinity chromatography. The IgG-purified rsFc gamma RII was relatively homogeneous (approximately 31,000 M(r)) whereas the total unpurified rsFc
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27

Spirito, Davide, Agnieszka Anna Corley-Wiciak, Omar Concepción Díaz, et al. "(Invited) Raman Spectroscopy for Epitaxial Silicon-Germanium-Tin Alloys." ECS Meeting Abstracts MA2024-02, no. 32 (2024): 2349. https://doi.org/10.1149/ma2024-02322349mtgabs.

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Raman spectroscopy is well established as a metrology tool and as a method for the investigation of materials. It is an all-optical method that requires little or no sample preparation. It measures the energy and strength of vibrational modes, connected to structural features such as crystal phase, strain, and disorder. By tuning the experimental parameters such as laser excitation wavelength and polarization, sample orientation, and temperature, it provides a deep understanding of sample properties that can be fruitfully complemented with other experimental and theoretical methods. In additio
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28

Tabe, Yoko, Kensuke Kojima, Linhua Jin, et al. "Molecular Mechanisms Of Inhibition Of Ribosomal Biogenesis and Translational Flux By The Selective Inhibitor Of Nuclear Export (SINE) XPO1/CRM1 Antagonist KPT-185 In Mantle Cell Lymphoma." Blood 122, no. 21 (2013): 820. http://dx.doi.org/10.1182/blood.v122.21.820.820.

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Abstract Exportin 1 (XPO1/CRM1) mediates transport of a number of cargo molecules including transcription factors and ribosomal subunits from the nucleus to cytoplasm. XPO1 is critical for cancer cell survival and proliferation, and we reported that high XPO1 expression correlates with poor prognosis in AML (Kojima, Blood, 2013). Mantle cell lymphoma (MCL) is an aggressive B-cell lymphoma that frequently shows chemoresistance. The overexpression of cyclin D1 due to the specific translocation t(l1 ;14)(q13;q32) in MCL cells is believed to be associated with oncogenesis, and additional genetic e
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29

Russo, Antonio, Filomena Conforti, Maria Cristina Caroleo, Roberta Ionà, Giancarlo Statti, and Francesco Iuliano. "Methanolic Extract of Cynara Cardunculus L. Inhibits Cell Proliferation and Bcr/Abl Expression in K562 Cell Line." Blood 112, no. 11 (2008): 4247. http://dx.doi.org/10.1182/blood.v112.11.4247.4247.

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Abstract Introduction: Chronic myeloid leukaemia (CML) is a myeloid neoplasm defined by the Bcr/Abl oncoprotein that is considered essential for leukaemogenesis and accumulation of neoplastic cells. Evidence exists showing that extracts of antichoke Cynara cardunculus L. (CCE) are able to inhibit cancer cell growth in vitro (1). In the present study we have investigated the antiproliferative effect of methanolic extract of CEE on K562 Bcr-Abl positive leukemia cell line. In addition we evaluated whether the extract of CEE also affects the mRNA levels of Bcr-Abl and p210 expression in this cell
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30

Barbosa, J. C., A. P. M. Teixeira, A. G. Moreira, et al. "First Report of Tomato chlorosis virus Infecting Tomato Crops in Brazil." Plant Disease 92, no. 12 (2008): 1709. http://dx.doi.org/10.1094/pdis-92-12-1709c.

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During 2006 and 2007 in the region of Sumaré, state of São Paulo, Brazil, surveys were done on tomato (Solanum lycopersicum L.) virus diseases in three open field-grown crops. The data revealed low incidence (0.25 to 3.42%) of randomly distributed plants exhibiting interveinal chlorosis and some necrosis on the basal leaves. Symptoms were only observed on old fruit-bearing plants. Preliminary analysis of thin sections of symptomatic leaves from one plant by transmission electron microscopy revealed the presence of aggregates of thin, flexible, and elongated particles in some phloem vessels, su
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31

PARK, TUSON, and M. B. SALAMON. "STUDY ON UNCONVENTIONAL SUPERCONDUCTORS VIA ANGLE-RESOLVED SPECIFIC HEAT." Modern Physics Letters B 18, no. 24 (2004): 1205–23. http://dx.doi.org/10.1142/s0217984904007785.

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The gap function in unconventional superconductors may vanish at points or lines in momentum space, permitting electronic excitations, termed "nodal quasiparticles", to exist at temperatures well below the superconducting transition. In the vortex phase, the presence of nodal quasiparticles should be directly observable through the variation of the heat capacity with the angle between a magnetic field and the location of the zeroes of the gap. The heat capacity of candidate nonmagnetic unconventional superconductors Lu ( Y ) Ni 2 B 2 C were found to exhibit fourfold oscillations with field ang
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32

VARSHNEY, DINESH. "ANALYSIS OF HEAT CAPACITY OF YBa2Cu3O7-δ SUPERCONDUCTORS: ROLE OF LATTICE AND ELECTRON CONTRIBUTION". International Journal of Modern Physics B 20, № 20 (2006): 2909–20. http://dx.doi.org/10.1142/s0217979206034935.

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Observed temperature-dependent heat capacity C (T) behavior of high-Tc YBa 2 Cu 3 O 7-δ cuprate superconductors has been theoretically analyzed in the temperature domain 70 ≤ T ≤ 110 K . Calculations of C (T) have been made within the two component scheme: one is the Fermionic term and the other the Bosonic (phonon) contribution. While estimating the electronic term, we use a mean field step and follow two-fluid model below and above Tc. Later on, the lattice heat capacity is estimated within harmonic approximation for high temperature expansion (T > θ/2π), the model has only one free param
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33

Bag, Biplab, Rajendra Loke, Birender Singh, A. Thamizhavel, Bahadur Singh, and S. Ramakrishnan. "Superconductivity in Heusler compound ScAu2Al." Journal of Physics: Condensed Matter 34, no. 19 (2022): 195403. http://dx.doi.org/10.1088/1361-648x/ac5651.

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Abstract We report superconducting state properties and electronic structure of a full Heusler material ScAu2Al. The resistivity measurement indicates a zero-field (at nominal Earth’s field) superconducting transition temperature, T c = 5.12 K (in contrary to the previously reported value of 4.4 K), which falls in the highest T c -regime among the Heusler superconductors. The magnetization data shows that ScAu2Al is a moderate type-II superconductor, where the critical field values can be estimated from the Ginzburg–Landau–Abrikosov–Gorkov theory. The field-dependent magnetization response fur
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34

Yakubu, Bashir Ishaku, Shua’ib Musa Hassan, and Sallau Osisiemo Asiribo. "AN ASSESSMENT OF SPATIAL VARIATION OF LAND SURFACE CHARACTERISTICS OF MINNA, NIGER STATE NIGERIA FOR SUSTAINABLE URBANIZATION USING GEOSPATIAL TECHNIQUES." Geosfera Indonesia 3, no. 2 (2018): 27. http://dx.doi.org/10.19184/geosi.v3i2.7934.

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Rapid urbanization rates impact significantly on the nature of Land Cover patterns of the environment, which has been evident in the depletion of vegetal reserves and in general modifying the human climatic systems (Henderson, et al., 2017; Kumar, Masago, Mishra, & Fukushi, 2018; Luo and Lau, 2017). This study explores remote sensing classification technique and other auxiliary data to determine LULCC for a period of 50 years (1967-2016). The LULCC types identified were quantitatively evaluated using the change detection approach from results of maximum likelihood classification algorithm
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35

Ravindranathan, Sruthi, Tenzin Passang Fnu, Jian Ming Li, et al. "748 Targeting vasoactive intestinal peptide receptor signaling in pancreatic ductal adenocarcinoma for enhanced anti-tumor response to checkpoint blockade." Journal for ImmunoTherapy of Cancer 9, Suppl 2 (2021): A779—A781. http://dx.doi.org/10.1136/jitc-2021-sitc2021.748.

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BackgroundPaucity of T cells in the immune privileged tumor microenvironment (TME) of pancreatic ductal adenocarcinoma (PDAC) is a major reason that PDAC is refractory to immune checkpoint blockade.1 In this study, we show that human PDAC tumors over-express vasoactive intestinal peptide (VIP), an immunosuppressive neuropeptide, that inhibits effector T cell responses and regulates chemokine receptor expression on activated T cells.2 3 We thus hypothesized that pharmacological inhibition of VIP receptor signaling could enhance anti-tumor responses in PDAC.MethodsVIP levels in plasma were deter
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36

Oezaslan, Mehtap, Maurice Friedrichs-Schucht, Nico Heine, and Frédéric Hasché. "The Effect of Cation Contamination on the Water Transport for PEM Water Electrolysis." ECS Meeting Abstracts MA2024-01, no. 34 (2024): 1843. http://dx.doi.org/10.1149/ma2024-01341843mtgabs.

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Large-scale hydrogen production by PEM water electrolysis (PEMWE) in the energy sector requires a deep understanding of the system behaviour in failure cases and possible recovery procedures. This includes the purification of the anolyte feed water because the contamination with ions can cause the PEMWE stack to breakdown.[1] For instance, the presence of iron trace cations or other metal cations in the feed water leads to a performance loss due to higher ohmic resistance of the cell and higher iR-free voltages.[2] [3] Moreover, cation contamination might influence the water transport in a PEM
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37

Behera, Bikram Keshari, and Shyamal Biswas. "Scaling theory for the collapse of a trapped Bose gas in a synthetic magnetic field: a critical study at the condensation point." Journal of Statistical Mechanics: Theory and Experiment 2025, no. 4 (2025): 043101. https://doi.org/10.1088/1742-5468/adc711.

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Abstract We have analytically explored both the zero temperature and the finite temperature scaling theory for the collapse of an attractively interacting 3D harmonically trapped Bose gas in a synthetic magnetic field. We have considered short ranged (contact) attractive inter-particle interactions and Hartree–Fock approximation for the same. We have separately studied the collapse of both the condensate and the thermal cloud below and above the condensation point, respectively. We have obtained an anisotropy, artificial magnetic field, and temperature dependent critical number of particles fo
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38

SCHUBERTH, ERWIN A. "SOME HEAVY FERMION SYSTEMS AT VERY LOW TEMPERATURES." International Journal of Modern Physics B 10, no. 04 (1996): 357–98. http://dx.doi.org/10.1142/s0217979296000155.

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The emphasis of this article lies on the properties of heavy fermion systems at the lowest temperatures obtained so far. Methods for measuring specific heat capacity and magnetic susceptibility in the milliKelvin regime are described for both low magnetic fields (<20 mT ) and high fields (<8 T ). Experimental results on UPt 3, UBe 13, and CeCu 6, are presented, and remaining problems are discussed. UPt 3 is widely regarded as the heavy Fermion system which exhibits unconventional superconductivity as demonstrated by the existence of multiple superconducting phases. Whether power laws for
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39

Fan, Yuanji, Danyang Xiong, Deng Hong, Fei Wang, Xu Feng, and Qiuwei Yang. "Spatiotemporal Thermal Analysis of Large-Volume Concrete Girders: Distributed Fiber Sensing and Hydration Heat Simulation." Coatings 15, no. 4 (2025): 453. https://doi.org/10.3390/coatings15040453.

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To investigate the spatiotemporal distribution of early-age hydration heat-induced temperature fields, this study integrates distributed fiber optic sensing (DFOS) technology with a thermal parameter finite element model (FEM). First, a high-precision DFOS system and traditional point-type semiconductor sensors were deployed to continuously monitor the temperature of a 50 m large-volume concrete box girder (LVBG) over 100 h. Experimental results show that full-field LVBG temperature changes can be measured by DFOS compared to traditional point sensors. DFOS, leveraging its full-scale spatial c
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40

Luangwilai, Thiansiri, Harvinder Sidhu, and Mark Nelson. "Understanding the factors affecting the self-heating process of compost piles: Two-dimensional analysis." ANZIAM Journal 63 (June 6, 2022): C15—C29. http://dx.doi.org/10.21914/anziamj.v63.17119.

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Industrial compost piles contain large volumes of bulk organic materials. Normally, there are two main heat generation processes—oxidation of cellulosic materials and biological activity within the compost pile. Biological heating occurs at a lower temperature range, but it may `kick-start' the oxidation reaction. Nevertheless, biological heating is desirable and is a key component in composting operations. However, there are cases when the temperature within the compost piles increases beyond the ignition temperature of cellulosic materials which can result in spontaneous ignition. This inves
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41

Falcaro, Paolo. "(Invited) Progress in 3D-Oriented MOF Systems." ECS Meeting Abstracts MA2024-02, no. 35 (2024): 2496. https://doi.org/10.1149/ma2024-02352496mtgabs.

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Metal-organic frameworks (MOFs) are promising materials for a variety of applications including sensing, microelectronics, and optics. Despite their exceptional functional properties, protocols for the microfabrication of MOF-based components are still underdeveloped. However, this is a key-enabling process: controlling the geometrical position, shape, and crystal orientation in micropatterns will enable the implementation of MOF materials in technologically relevant devices.[1] In this presentation, we will discuss recent developments in the field of 3D-oriented MOF systems;[2,3,4] specific a
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42

Epiney, Florence, Siegfried Nagel, and Christopher Klenk. "How do individuals with mental health disorder and spinal cord injury gain access to participate in voluntary sport groups in Switzerland?" Current Issues in Sport Science (CISS) 10, no. 2 (2025): 025. https://doi.org/10.36950/2025.2ciss025.

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Introduction Physical activity (PA) is crucial to physical and mental health in various populations, including individuals with disabilities (IWDs). IWDs are at higher risk being physically inactive, developing non-communicable diseases, and experiencing major negative health consequences due to inactivity than the general population (Martin Ginis et al., 2021). One possibility to be physically active is through voluntary sport groups (VSGs) in sport clubs. However, physically, IWDs are significantly less active (also in VSGs), than the general population (Bickenbach, 2011; Martin Ginis et al.
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43

Leroux, Dorothee, Claire Pouplard, Benoit Guillet, Beatrice Cosne, Marc Antoine May, and Yves Gruel. "Polymorphisms in TNFA and CTLA-4 Genes and the Risk of Heparin Induced Thrombocytopenia." Blood 112, no. 11 (2008): 3414. http://dx.doi.org/10.1182/blood.v112.11.3414.3414.

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Abstract Backgroud and objectives: The formation of antibodies (Abs) to heparin platelet factor 4 complexes (H/PF4) associated with heparin-induced thrombocytopenia (HIT) is a T-helper cell dependent event that involves antigen presenting cells (APC) and B-lymphocytes. Polymorphisms of the CTLA-4 (cytotoxic T lymphocyte antigen 4) gene have been described as a risk factor in several autoimmune diseases. In addition, TNFα is a major inflammatory cytokine with potent regulatory functions and polymorphisms in TNFA have also been associated with autoimmune antibody-mediated diseases. We therefore
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44

Anderegg, Jan M., Stefanie L. Brefin, Claudio R. Nigg, David Koschnick, Claudia Paul, and Sascha Ketelhut. "Load and recovery monitoring in Swiss top-level youth soccer players: Exploring the associations of a new web application-based score with recognised load measures." Current Issues in Sport Science (CISS) 9, no. 2 (2024): 020. http://dx.doi.org/10.36950/2024.2ciss020.

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Introduction Systematic assessment of load and recovery in athletes is essential for effectively adjusting various training demands and their corresponding recovery measures (Kellmann et al., 2018), thereby reducing the risk of nonfunctional overreaching, overtraining, and potential subsequent injuries and illnesses (Bourdon et al., 2017; Kellmann et al., 2018; Taylor et al., 2012). The information obtained from the assessment can support athletes, coaching staff, and their medical teams in the tightrope act between performance optimisation and injury risk reduction. The expert consensus in th
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45

Donald, P. A., C. M. Holguin, and P. A. Agudelo. "First Report of Lance Nematode (Hoplolaimus magnistylus) on Corn, Soybean, and Cotton in Tennessee." Plant Disease 97, no. 10 (2013): 1389. http://dx.doi.org/10.1094/pdis-09-12-0881-pdn.

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The lance nematode Hoplolaimus magnistylus Robbins 1982 (3) was found for the first time in Tennessee in a cotton (Gossypium hirsutum L.) field (35°19.550′ N, 89°24.535′ W) in Fayette County in May 2011. In June of the same year, the species was also found in soil samples collected from a corn (Zea mays L.) field (36°15.736′ N, 88°51.121′ W) and a soybean (Glycine max L.) field (36°15.616′ N, 88°51.118′ W) in Weakley County, TN. Nematodes were extracted from the soil with a semi-automatic elutriator and further processed by sugar flotation-centrifugation. Population densities were between 30 a
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46

Abdul Jalal, Muhammad Irfan, Muhammad-Redha Abdullah-Zawawi, Nurfadhlina Musa, Basyirah Ghazali, Zalina Zahari, and Nasir Mohamad. "A synonymous KCNH2 polymorphism and methadone trough level influence QTc prolongation in Kelantanese Malay recipients of methadone maintenance therapy (MMT) in Malaysia." PLOS One 20, no. 5 (2025): e0322724. https://doi.org/10.1371/journal.pone.0322724.

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Potassium voltage-gated channel subfamily H member 2 (KCNH2) polymorphisms have been found to influence the heart-rate adjusted QT (QTc) intervals. We investigated the association between KCNH2 polymorphisms and QTc intervals among Malay opioid-dependent methadone maintenance treatment (MMT) recipients. A cross-sectional study was conducted involving 111 patients with stable methadone dosage for at least 6 months attending several methadone clinics in Kelantan, Malaysia between March 2011 and October 2012. Those with cardiac structural defects, recipients of other QTc-prolonging pharmacotherap
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47

Wang, Hanqing, Cengceng Zhang, Zheyue Dong, et al. "Using an In Vivo Mouse Model to Determine the Exclusion Criteria of Preexisting Anti-AAV9 Neutralizing Antibody Titer of Pompe Disease Patients in Clinical Trials." Viruses 16, no. 3 (2024): 400. http://dx.doi.org/10.3390/v16030400.

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The efficacy of adeno-associated virus (AAV)-based gene therapy is dependent on effective viral transduction, which might be inhibited by preexisting immunity to AAV acquired from infection or maternal delivery. Anti-AAV neutralizing Abs (NAbs) titer is usually measured by in vitro assay and used for patient enroll; however, this assay could not evaluate NAbs’ impacts on AAV pharmacology and potential harm in vivo. Here, we infused a mouse anti-AAV9 monoclonal antibody into Balb/C mice 2 h before receiving 1.2 × 1014 or 3 × 1013 vg/kg of rAAV9-coGAA by tail vein, a drug for our ongoing clinica
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48

Schuster, Robin, Christian Sedlmeier, Gioele Conforto, Moritz Bohn, Tobias Kutsch, and Hubert Andreas Gasteiger. "Temperature Dependent Discharge Rate Tests and Cycling Stability of High-Nickel Ncm Cathodes Employing a µ-Reference Electrode in All-Solid-State Pouch Cells." ECS Meeting Abstracts MA2023-02, no. 2 (2023): 203. http://dx.doi.org/10.1149/ma2023-022203mtgabs.

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All-solid-state batteries (ASSBs) are widely investigated in the field of lithium-ion battery (LIB) research, since they might offer several advantages over the conventional LIB technology based on liquid electrolytes, for example a possible lower flammability of solid electrolytes compared to organic solvents in LIBs.[1] However, Li6PS5Cl (LPSCl), a commonly used sulfidic solid electrolyte undergoes exothermic reactions with de-lithiated nickel-rich NCM already above 150°C.[2] Establishing a temperature window for save long-term operation is therefore required for large-scale applications in,
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49

Korte, Carsten, Yanpeng Suo, Klaus Wippermann, and Christian Rodenbücher. "Influence of Acidity, Water and Temperature on the Double Layer Properties of Protic Ionic Liquids for Future Fuel Cell Applications." ECS Meeting Abstracts MA2023-02, no. 56 (2023): 2719. http://dx.doi.org/10.1149/ma2023-02562719mtgabs.

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Polymer electrolyte membrane fuel cells (PEMFC) are a viable alternative to combustion engines and rechargeable batteries for automotive applications. However, the operating temperature of PEMFCs using sulfonated fluoropolymers, e.g. NAFION®, is limited below 80 °C (ambient pressure), because the proton conduction relies on the presence of water. A PEMFC operating above 100 °C would allow a much more simplified system setup for water and heat management. This requires novel non-aqueous protic electrolytes. Proton conducting ionic liquids (PIL) are promising candidates. [1,2]. However, the fuel
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50

Florentin, Jonathan, Alison Moe, Ravi K. Shah, et al. "An Interleukin 27 Dependent Lysosomal Thiol Reductase Regulates Regulatory T Cell Survival and Mitochondrial Fitness during Graft Versus Host Disease." Blood 144, Supplement 1 (2024): 261. https://doi.org/10.1182/blood-2024-198173.

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Graft versus host disease (GVHD) is a proinflammatory syndrome driven by alloreactive donor T cells and inflammatory cytokine production which results in tissue destruction and immunological impairment. A critical element of the pathophysiology of GVHD is the failure to reconstitute the regulatory T cell (Treg) compartment. Re-establishment of an effective regulatory network to counterbalance the pro inflammatory milieu by enhancing Treg survival and augmenting suppressive capability therefore remains a major goal in the field. To unveil therapeutically targetable inflammatory cytokine-driven
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