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Journal articles on the topic 'Double Delta Potential'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Ahmed, Zafar, Sachin Kumar, Mayank Sharma, and Vibhu Sharma. "Revisiting double Dirac delta potential." European Journal of Physics 37, no. 4 (2016): 045406. http://dx.doi.org/10.1088/0143-0807/37/4/045406.

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2

Cacciari, Ilaria, and Paolo Moretti. "Propagator for the double delta potential." Physics Letters A 359, no. 5 (2006): 396–401. http://dx.doi.org/10.1016/j.physleta.2006.06.061.

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3

Patil, S. H., and A. S. Roy. "Two-centre double delta-function potential in one dimension." Physica A: Statistical Mechanics and its Applications 253, no. 1-4 (1998): 517–29. http://dx.doi.org/10.1016/s0378-4371(97)00644-4.

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4

Kang, In Ho, Wook Bahng, Sang Cheol Kim, Sung Jae Joo, and Nam Kyun Kim. "Numerical Investigation of the DC and RF Performances for a 4H-SiC Double Delta-Doped Channel MESFET Having Various Delta-Doping Concentrations." Materials Science Forum 556-557 (September 2007): 823–26. http://dx.doi.org/10.4028/www.scientific.net/msf.556-557.823.

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A double delta-doped channel 4H-SiC MESFET is proposed to kick out degradation of the DC and RF performances caused by the surface traps, by forming a quantum-well-like potential well and separating an effective channel from the surface. To obtain an optimum device structure, the DC and RF performances of double delta-doped channel MESFETs having various delta-doping concentrations but the same pinch-off voltage with that of conventional MESFET were also investigated. The SilvacoTM simulation results show that the double delta-doped channel MESFET achieved more improvement of the drain current

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5

Paramanik, S., A. Nag, and S. Sahoo. "Generalized Uncertainty Principle and Delta-Function Potential." Ukrainian Journal of Physics 67, no. 8 (2022): 568. http://dx.doi.org/10.15407/ujpe67.8.568.

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In recent studies, the Heisenberg uncertainty principle has been modified into the generalized uncertainty principle (GUP) to explain gravity from a quantum mechanical perspective. Here, we study the GUP corrections to the bound-state energy eigenvalues for a delta-function potential well and a double delta-function potential well using nonrelativistic quantum mechanical tools. Transmission probabilities for scattering states have also been derived and compared with the unmodified cases for both systems.

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6

Laissaoui, Aïda, and Lyazid Chetouani. "Propagator for symmetric double delta potential using path decomposition method." Journal of Mathematical Physics 59, no. 2 (2018): 022106. http://dx.doi.org/10.1063/1.5008516.

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7

Rojas, F., and E. Cota. "Inelastic effects on resonant tunnelling in a double- delta -function potential." Journal of Physics: Condensed Matter 5, no. 29 (1993): 5159–68. http://dx.doi.org/10.1088/0953-8984/5/29/011.

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8

Bruce, S., J. Diaz-Valdes, and M. D. Campos. "Neutron bound states in a supersymmetric double Dirac delta electrostatic potential." Annalen der Physik 523, no. 11 (2011): 939–45. http://dx.doi.org/10.1002/andp.201100096.

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9

B Aminu, Muslim, and Samuel B Ojo. "Seafloor morphology and potential gas hydrate distribution in the offshore Niger Delta." International Journal of Advanced Geosciences 12, no. 1 (2024): 17–26. http://dx.doi.org/10.14419/wwajt225.

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Bottom simulating reflectors (BSRs) and seismic pipe features have been used as proxies for defining the distribution of gas hydrate sediments in the offshore Niger Delta. This is the most extensive mapping of gas hydrate sediments in the Delta as of today. The seismic data merge comes from multiple surveys acquired with different parameters and seismic resolutions over the course of decades of oil and gas exploration in the region. Indicated gas hydrate distribution generally follows the structural fabric of the Niger Delta with BSRs occurring along the apexes of the thrust-related ridges tha

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10

Maize, M. A., and J. J. Smetanka. "The dynamic electric polarizability of a particle bound by a double delta potential." European Journal of Physics 29, no. 3 (2008): 497–506. http://dx.doi.org/10.1088/0143-0807/29/3/010.

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11

Bhattacharyya, S., P. Fusar-Poli, S. Borgwardt, et al. "Opposite Neural Effects of the Main Psychoactive Ingredients of Cannabis- Neural Basis for Potential Therapeutic Effects of Cannabidiol." European Psychiatry 24, S1 (2009): 1. http://dx.doi.org/10.1016/s0924-9338(09)70924-1.

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There is considerable interest in the therapeutic potential of Cannabidiol (CBD), the second most abundant component of Cannabis. While delta-9-THC, the main psychoactive ingredient of cannabis, impairs memory and induces anxiety and psychotic symptoms acutely and increases the risk of psychotic disorders in regular cannabis users, CBD does not impair memory, may have anxiolytic and possibly antipsychotic effects. Hence, we compared directly the acute neural effects of these two active ingredients of cannabis, by combining pharmacological challenge with fMRI. Using a double-blind, repeated mea

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12

Chandler, W. K., and C. S. Hui. "Membrane capacitance in frog cut twitch fibers mounted in a double vaseline-gap chamber." Journal of General Physiology 96, no. 2 (1990): 225–56. http://dx.doi.org/10.1085/jgp.96.2.225.

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In experiments on cut muscle fibers mounted in a double Vaseline-gap chamber, electrical measurements are usually made by measuring the voltage V1(t) in one end pool and by passing current I2(t) from the other end pool to the central pool, which is usually clamped to earth potential. The voltage in the current-passing end pool is denoted by V2(t). This article describes how the value of the holding current, Ih, and the values of delta V2(infinity)/delta V1(infinity) and delta I2(infinity)/delta V1(infinity) that are associated with a small change in V1(t) can be used to estimate the linear cab

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13

Vyas, A., V. Nizalapur, P. Chhasia, D. Rawal, G. Jain, and A. Das. "ANALYSIS OF DIFFERENT POLARIMETRIC DECOMPOSITION TECHNIQUES USING COMPACT POLARIMETRIC NISAR DATA FOR AHMEDABAD, INDIA." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B3-2021 (June 28, 2021): 135–40. http://dx.doi.org/10.5194/isprs-archives-xliii-b3-2021-135-2021.

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Abstract. The present study addresses the potential of airborne NASA – ISRO Synthetic Aperture Radar (NISAR) compact polarimetric (CP) data to discriminate the land cover classes emphasizing the urban area for parts of Ahmedabad city, India. This has been carried out by generating m-Delta, m-Chi and m-Alpha polarimetric decompositions using Compact Polarimetric L band NISAR data. In Hybrid Polarimetric data, both m-delta and m-chi decompositions have almost the same formulations, indicating that delta and chi play the same roles as indicators of single-bounce and double-bounce scattering. Howe

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14

Hassanabadi, Hassan, Hadi Sobhani, and Won Sang Chung. "Scattering Study of Fermions due to Double Dirac Delta Potential in Quaternionic Relativistic Quantum Mechanics." Advances in High Energy Physics 2018 (2018): 1–7. http://dx.doi.org/10.1155/2018/8124073.

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We have studied the scattering problem of relativistic fermions from a quaternionic double Dirac delta potential. We have used Dirac equation in the presence of the scalar and vector potentials in the quaternionic formalism of relativistic quantum mechanics to study the problem. The wave functions of different regions have been derived. Then, using the reflection coefficient, transmission coefficient, and the continuity equation, the scattering problem has been investigated in detail. It has been shown that we have faced some fluctuations in the reflection and transmission coefficients.

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15

Grolleau, F., M. Stankiewicz, L. Birinyi-Strachan, et al. "Electrophysiological analysis of the neurotoxic action of a funnel-web spider toxin, delta-atracotoxin-HV1a, on insect voltage-gated Na+ channels." Journal of Experimental Biology 204, no. 4 (2001): 711–21. http://dx.doi.org/10.1242/jeb.204.4.711.

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The effects of delta-ACTX-Hv1a, purified from the venom of the funnel-web spider Hadronyche versuta, were studied on the isolated giant axon and dorsal unpaired median (DUM) neurones of the cockroach Periplaneta americana under current- and voltage-clamp conditions using the double oil-gap technique for single axons and the patch-clamp technique for neurones. In parallel, the effects of the toxin were investigated on the excitability of rat dorsal root ganglion (DRG) neurones. In both DRG and DUM neurones, delta-ACTX-Hv1a induced spontaneous repetitive firing accompanied by plateau potentials.

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16

Kim, Tae Hyong, Byoung Il Gu, Ki Hyun Kwon, and Ah-Na Kim. "A Framework for 3D Plant Simulation of Meal-Kit-Packaging Robot Automation System." Applied Sciences 15, no. 8 (2025): 4116. https://doi.org/10.3390/app15084116.

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A data-driven 3D simulation for the robotic automation of the most labor-intensive packaging process in meal kit production was developed using Tecnomatix plant simulation software. The workflow and environments of the existing manual process were analyzed. An existing production site was scanned using a 3D Lidar scanner to create 3D models and design the initial assembly layout. Two types of 3D simulation models, implemented with a single or double delta robot, were designed to determine the optimal robot-automated packaging process. Key performance indicators for simulation models of a manua

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17

Nisperuza, J., J. P. Rubio, and R. Avella. "Density probabilities of a Bose-Fermi mixture in 1D double well potential." Journal of Physics Communications 6, no. 2 (2022): 025004. http://dx.doi.org/10.1088/2399-6528/ac4faf.

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Abstract We use the two mode approximation for a interacting one-dimensional spinless soft core bosons and one half spin fermions in a double-well potential with a large central barrier. We include all the on-site boson-boson, fermion-fermion and boson-fermion repulsive contact potential represented by delta-function and considered bosonic and fermionic isotopes of ytterbium(Yb) 170 Yb and 171 Yb respectively. By means of this approximation, we find that in the regime λ BF > λ BB give rise to a immiscible phase and in the regime λ BB ≥ λ BF give rise to a miscible phase, that is characteriz

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18

Yanetka, I. "On the transmission coefficient for the double delta-function potential embedded in a crystalline lattice." Physica B: Condensed Matter 270, no. 3-4 (1999): 371–83. http://dx.doi.org/10.1016/s0921-4526(99)00182-9.

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19

Zhou, X., W. M. Smith, D. L. Rollins, and R. E. Ideker. "Transmembrane potential changes caused by shocks in guinea pig papillary muscle." American Journal of Physiology-Heart and Circulatory Physiology 271, no. 6 (1996): H2536—H2546. http://dx.doi.org/10.1152/ajpheart.1996.271.6.h2536.

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To study transmembrane potential (Vm) changes (delta Vm) caused by extracellular field stimulation, Vm was recorded in 10 guinea pig papillary muscles by a double-barrel microelectrode. A 10-ms shock was delivered during the action potential plateau or during diastole. Six shock strengths (1.8 +/- 0.4, 3.8 +/- 0.7, 5.6 +/- 0.9, 7.2 +/- 1.1, 11.1 +/- 1.9, and 17.8 +/- 1.5 V/cm) were given with both polarities. The tissue was then treated with either 30 microM tetrodotoxin (TTX; n = 5) or 30 microM TTX plus Ca(2+)-free (n = 5) perfusion. For shocks during the action potential plateau, delta Vm c

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20

Schnitzer, Ory, Itzchak Frankel, and Ehud Yariv. "Streaming-potential phenomena in the thin-Debye-layer limit. Part 2. Moderate Péclet numbers." Journal of Fluid Mechanics 704 (July 3, 2012): 109–36. http://dx.doi.org/10.1017/jfm.2012.221.

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AbstractMacroscale description of streaming-potential phenomena in the thin-double-layer limit, and in particular the associated electro-viscous forces, has been a matter of long-standing controversy. In part 1 of this work (Yariv, Schnitzer & Frankel, J. Fluid Mech., vol. 685, 2011, pp. 306–334) we identified that the product of the Hartmann ($\lambda $) and Péclet ($\mathit{Pe}$) numbers is $O({\delta }^{\ensuremath{-} 2} )$, $\delta $ being the dimensionless Debye thickness. This scaling relationship defines a one-family class of limit processes appropriate to the consistent analysis of

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21

Manchado, Fúlvia de Barros, Claudio Alexandre Gobatto, Fabricio Azevedo Voltarelli, and Maria Alice Rostom de Mello. "Non-exhaustive test for aerobic capacity determination in swimming rats." Applied Physiology, Nutrition, and Metabolism 31, no. 6 (2006): 731–36. http://dx.doi.org/10.1139/h06-079.

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The aim of this study was to describe a double-bout exercise test for non-exhaustive aerobic capacity determination in swimming rats. Adult rats were submitted to 4 swimming tests at different intensities (4%, 6%, 7%, and 8% of body mass), with intervals of 48 h between them. Two exercise bouts of equal intensity lasting 5 min were performed, separated by 2 min with blood collection for lactate analysis. For each intensity, delta lactate was determined by subtracting lactate concentration at the end of the first effort from the lactate at the end of the second effort. Individual linear interpo

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22

Schnitzer, Ory, Itzchak Frankel, and Ehud Yariv. "Electrokinetic flows about conducting drops." Journal of Fluid Mechanics 722 (April 2, 2013): 394–423. http://dx.doi.org/10.1017/jfm.2013.102.

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AbstractWe consider electrokinetic flows about a freely suspended liquid drop, deriving a macroscale description in the thin-double-layer limit where the ratio $\delta $ between Debye width and drop size is asymptotically small. In this description, the electrokinetic transport occurring within the diffuse part of the double layer (the ‘Debye layer’) is represented by effective boundary conditions governing the pertinent fields in the electro-neutral bulk, wherein the generally non-uniform distribution of $\zeta $, the dimensionless zeta potential, is a priori unknown. We focus upon highly con

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23

Palacios, Fritz C., Ronald J. Steel, and William A. Ambrose. "Compound-clinoform model for tide-influenced deltas in the mixed siliciclastic–carbonate Cisco Group, Upper Pennsylvanian (Virgilian), Eastern Shelf of the Permian Basin, U.S.A." Journal of Sedimentary Research 94, no. 5 (2024): 686–713. http://dx.doi.org/10.2110/jsr.2023.064.

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ABSTRACT Deltas in the Cisco Group contain significant volumes of potential reservoir sandstones in the Upper Pennsylvanian (Virgilian stage) mixed siliciclastic–carbonate succession in the Eastern Shelf of the Permian Basin. While early studies predominantly supported a river-dominated model for these deltas, our findings establish the presence of tide-influenced deltas characterized by the following features: i) predominant heterolithic lithology, ii) diagnostic structures such as flaser bedding, bidirectional ripple cross-lamination, or double-mud drapes, iii) an abundance of interpreted fl

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24

Alves, Claudianor O. "Existence of a Heteroclinic Solution for a~Double Well Potential Equation in an Infinite Cylinder of ℝ N". Advanced Nonlinear Studies 19, № 1 (2019): 133–47. http://dx.doi.org/10.1515/ans-2018-2024.

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Abstract This paper is concerned with the existence of a heteroclinic solution for the following class of elliptic equations: -\Delta{u}+A(\epsilon x,y)V^{\prime}(u)=0\quad\mbox{in }\Omega, where {\epsilon>0} , {\Omega=\mathbb{R}\times\mathcal{D}} is an infinite cylinder of {\mathbb{R}^{N}} with {N\geq 2} . Here, we consider a large class of potentials V that includes the Ginzburg–Landau potential {V(t)=(t^{2}-1)^{2}} and two geometric conditions on the function A. In the first condition we assume that A is asymptotic at infinity to a periodic function, while in the second one A satisfies 0

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25

Noverola-Gamas, H., L. M. Gaggero-Sager та O. Oubram. "Optical absorption coefficient in n-type double δ-doped layers GaAs quantum wells". International Journal of Modern Physics B 33, № 19 (2019): 1950215. http://dx.doi.org/10.1142/s0217979219502151.

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The superposition principle is one of the cornerstones of physics. In low-dimensional systems, it is routinely used to model the potential profile. That is the case of coupled [Formula: see text]-doped quantum wells, for which, several works have studied the transport and optoelectronic properties. However, the Poisson equation determines the potential profile is not linear, and the superposition principle is not at all valid. The aim of this work is to correct some of the inconsistencies of the mentioned models for coupled [Formula: see text]-doped quantum wells. In the framework of Thomas–Fe

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Sengupta, Saptarshi, Sanchita Basak, and Richard Alan Peters. "Chaotic Quantum Double Delta Swarm Algorithm Using Chebyshev Maps: Theoretical Foundations, Performance Analyses and Convergence Issues." Journal of Sensor and Actuator Networks 8, no. 1 (2019): 9. http://dx.doi.org/10.3390/jsan8010009.

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The Quantum Double Delta Swarm (QDDS) Algorithm is a networked, fully-connected novel metaheuristic optimization algorithm inspired by the convergence mechanism to the center of potential generated within a single well of a spatially colocated double–delta well setup. It mimics the wave nature of candidate positions in solution spaces and draws upon quantum mechanical interpretations much like other quantum-inspired computational intelligence paradigms. In this work, we introduce a Chebyshev map driven chaotic perturbation in the optimization phase of the algorithm to diversify weights placed

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Boggs, Douglas L., Jose A. Cortes-Briones, Toral Surti та ін. "The dose-dependent psychomotor effects of intravenous delta-9-tetrahydrocannabinol (Δ9-THC) in humans". Journal of Psychopharmacology 32, № 12 (2018): 1308–18. http://dx.doi.org/10.1177/0269881118799953.

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Background: Binding studies have demonstrated that levels of the cannabinoid receptor type-1 are highest in the basal ganglia and cerebellum, two areas critical for motor control. However, no studies have systematically examined the dose-related effects of intravenous delta-9-tetrahydrocannabinol, the primary cannabinoid receptor type-1 partial agonist in cannabis, on broad domains of psychomotor function in humans. Aims: Therefore, three domains of psychomotor function were assessed in former cannabis users (cannabis abstinent for a minimum of three months; n=23) in a three test-day, within-s

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28

Kang, Hyeonjeong, Jong Bok Lee, Ismat Khatri, et al. "Enhancing Therapeutic Efficacy of Double Negative T Cells against Acute Myeloid Leukemia Using Idelalisib." Cancers 13, no. 20 (2021): 5039. http://dx.doi.org/10.3390/cancers13205039.

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The double negative T cell (DNT) is a unique subset of T cells with potent anti-leukemic potential. Previously, DNT therapy has been shown to effectively target AML cells in patient-derived xenograft (PDX) models. Further, a recently completed phase I/IIa clinical study demonstrated the safety, feasibility, and potential efficacy in AML patients that relapsed after allogeneic hematopoietic stem cell transplantation. However, the persistence and durability of DNT-mediated anti-leukemic response is less well understood. In this study, we characterized the in vivo persistence of DNTs in PDX model

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29

Guo, Yahui, Wenxiang Wu, and Christopher Bryant. "Quantifying Spatio-Temporal Patterns of Rice Yield Gaps in Double-Cropping Systems: A Case Study in Pearl River Delta, China." Sustainability 11, no. 5 (2019): 1394. http://dx.doi.org/10.3390/su11051394.

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Quantifying the contributing and limiting factors of yield potential is of vital importance, and the closure of existing yield gaps on currently available agricultural land is regarded as the most effective measure to meet future food demands. In this study, the CERES-Rice model and long-term rice yield records of 12 sites from 1981 to 2010 were combined together to investigate the spatial and temporal distributions of yield potential, yield attainable, yield actual, and yield gaps for double cropping rice in the Pearl River Delta (PRD), China. The evaluated yield potential of all the sites ra

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30

Yuan, Julie S., Joanne B. Tan, Ioana Visan та ін. "Lunatic Fringe prolongs Delta/Notch-induced self-renewal of committed αβ T-cell progenitors". Blood 117, № 4 (2011): 1184–95. http://dx.doi.org/10.1182/blood-2010-07-296616.

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Abstract Lunatic Fringe (Lfng) enhances Notch1 activation by Delta-like 4 (DL4) to promote Notch1-dependent T-lineage commitment of thymus-seeding progenitors. Subsequently, Notch1 and T-cell receptor-β (TCRβ)–containing pre-TCR complexes signal CD4/CD8 double-negative 3 (DN3) committed T-cell progenitors to survive, proliferate, and differentiate into CD4/CD8 double-positive (DP) αβ T-cell precursors. Few DP thymocytes develop without Notch1 or pre-TCR signals, whereas ectopic Notch1 activation causes T-cell leukemia. However, mechanisms of a Notch-pre-TCR collaboration during this “β-selecti

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31

Angulo Pava, Jaime, César A. Hernández Melo, and Ramón G. Plaza. "Orbital stability of standing waves for the nonlinear Schrödinger equation with attractive delta potential and double power repulsive nonlinearity." Journal of Mathematical Physics 60, no. 7 (2019): 071501. http://dx.doi.org/10.1063/1.5097417.

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32

Bahadivand Chegini, Samira, and Mahboobeh Shahri Naseri. "The effects of the electric-magnetic barrier on the spin transmission in the multibarrier semiconductor heterostructures." European Physical Journal Applied Physics 98 (2023): 31. http://dx.doi.org/10.1051/epjap/2023220240.

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In the present paper, we study spin transmission in the multibarrier semiconductor heterostructures based on single particle effective mass approximation. These structures are double-barrier and triple-barrier semiconductor hetero-structures that a metallic ferromagnetic is deposited on them. Using Airy function and magnetic barriers approximated by delta function, we calculate transmission coefficient of tunneling electrons and spin polarization. Our results have shown that the parameters as the height and width of the electrical potential barrier, wave vector parallel to the barrier, applied

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33

KOUSOYLA, Maria, Stella BRAKATSOULA, Christina NIKAKI, et al. "THC Yield and Greenhouse Cover Materials: Optimizing the Profit of Medical Cannabis." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Horticulture 78, no. 2 (2021): 107. http://dx.doi.org/10.15835/buasvmcn-hort:2021.0039.

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Even though Delta-9-tetrahydrocannabinol (THC) is a psychoactive substance, studies indicate that it has therapeutic properties. Moreover, the modification in Greece legislation regarding the legalization of cannabis has resulted in new business opportunities for medical-cannabis related companies. This study aimed to evaluate whether different greenhouse cover materials affect THC yield and propose a business plan for any potential medical-cannabis related company in Greece. A greenhouse experiment was conducted in order to evaluate the effect of different plastic cover films in greenhouses f

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Yan, Xiangyu. "Polymerase Theta-mediated DNA End-Joining Repair in the Maintenance of Genome Stability." Transactions on Materials, Biotechnology and Life Sciences 7 (December 24, 2024): 33–39. https://doi.org/10.62051/rg3zk642.

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The DNA double-strand break (DSB) always occurs within genome. The pathways that repair the DSB are essential in keeping cell viability. This review will focus on the recent understanding of TMEJ, especially two key protein factors involved in the TMEJ repair pathway2, DNA polymerase theta (Polθ) and DNA polymerase delta (Polδ), and discuss the potential mechanism of choosing repair pathways when there is a DNA Double Strand Break. We dissect TMEJ's unique mechanism of action, including recognition of DNA ends, microhomology search, end pairing, and DNA synthesis, by focusing on the enzyme Pol

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Hu, Wei Ping, Yang Lu, Nestor Amadeo Precioso, et al. "Double-Antigen Enzyme-Linked Immunosorbent Assay for Detection of Hepatitis E Virus-Specific Antibodies in Human or Swine Sera." Clinical and Vaccine Immunology 15, no. 8 (2008): 1151–57. http://dx.doi.org/10.1128/cvi.00186-07.

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ABSTRACT A new double-antigen sandwich-based enzyme-linked immunosorbent assay (ELISA) for the detection of total antibodies (immunoglobulin G [IgG] and IgM) specific for hepatitis E virus (HEV) was developed by utilizing well-characterized recombinant protein ET2.1 and its peroxidase-labeled counterpart. Our study showed that the ELISA detected all the positive patient samples (n = 265) regardless of whether they contained IgM or IgG antibodies, or both, while it maintained an excellent specificity of 98.8% with samples from various patient or healthy control groups (total number of samples,

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Rojas-Briseño, J. G., J. C. Martínez-Orozco, I. Rodríguez-Vargas, C. A. Duque, and M. E. Mora-Ramos. "Nonlinear absorption coefficient and relative refraction index change for an asymmetrical double delta-doped quantum well in GaAs with a Schottky barrier potential." MRS Proceedings 1479 (2012): 125–31. http://dx.doi.org/10.1557/opl.2012.1609.

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ABSTRACTSemiconductor devices have been improved by using delta-doped quantum well (DDQW) of impurities due to the great amount of charge carriers it provides. The first proposals consisted of a DDQW close to the Schottky barrier potential in the gate terminal in a FET [1]. In this work we reported the energy levels spectrum for n-type double-DDQW with a Schottky barrier (SB) at their neighborhood in a Gallium Arsenide (GaAs) matrix. In addition to consider only the linear optical approximation we take into account the third order correction to the absorption coefficient and the refractive ind

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Chen, Zhaopin, Yongyao Li та Boris A. Malomed. "𝒫𝒯-symmetric and antisymmetric nonlinear states in a split potential box". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 376, № 2124 (2018): 20170369. http://dx.doi.org/10.1098/rsta.2017.0369.

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We introduce a one-dimensional -symmetric system, which includes the cubic self-focusing, a double-well potential in the form of an infinitely deep potential box split in the middle by a delta-functional barrier of an effective height ε , and constant linear gain and loss, γ , in each half-box. The system may be readily realized in microwave photonics. Using numerical methods, we construct -symmetric and antisymmetric modes, which represent, respectively, the system’s ground state and first excited state, and identify their stability. Their instability mainly leads to blowup, except for the ca

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Kanjanaprayut, Noparat, Thamrongsin Siripongsakul, Panya Wiman, Wannapha Issaard, Thanasak Nilsonthi, and Piyorose Promdirek. "Electrochemical Analysis on Intergranular Corrosion of Austenitic Stainless Steel Weld in Molten Nitrate Salt." Metals 14, no. 11 (2024): 1284. http://dx.doi.org/10.3390/met14111284.

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An investigation of intergranular corrosion (IGC) sensitization in molten nitrate salts of austenitic stainless steel welds of AISI 304, AISI 304H, and AISI321 produced by GTAW with ER 308L and ER 347 fillers was performed. The degree of sensitization (DOS) to IGC was assessed using a double loop electrochemical potentiokinetic reactivation and pitting potential. It was found that DOS levels in weld zones were quite low, not exceeding 15%, while those in HAZs were up to 60% after exposure at 600 °C for 300 h. The low DOS levels were due to low carbide precipitation. However, another cause of D

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van der A, Julia, Yorben Lodema, Thomas H. Ottens, et al. "DELirium treatment with Transcranial Electrical Stimulation (DELTES): study protocol for a multicentre, randomised, double-blind, sham-controlled trial." BMJ Open 14, no. 11 (2024): e092165. http://dx.doi.org/10.1136/bmjopen-2024-092165.

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IntroductionDelirium, a clinical manifestation of acute encephalopathy, is associated with extended hospitalisation, long-term cognitive dysfunction, increased mortality and high healthcare costs. Despite intensive research, there is still no targeted treatment. Delirium is characterised by electroencephalography (EEG) slowing, increased relative delta power and decreased functional connectivity. Recent studies suggest that transcranial alternating current stimulation (tACS) can entrain EEG activity, strengthen connectivity and improve cognitive functioning. Hence, tACS offers a potential trea

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Uemura, H., and Y. Jigami. "Role of GCR2 in transcriptional activation of yeast glycolytic genes." Molecular and Cellular Biology 12, no. 9 (1992): 3834–42. http://dx.doi.org/10.1128/mcb.12.9.3834-3842.1992.

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The Saccharomyces cerevisiae GCR2 gene affects expression of most of the glycolytic genes. We report the nucleotide sequence of GCR2, which can potentially encode a 58,061-Da protein. There is a small cluster of asparagines near the center and a C-terminal region that would be highly charged but overall neutral. Fairly homologous regions were found between Gcr2 and Gcr1 proteins. To test potential interactions, the genetic method of S. Fields and O. Song (Nature [London] 340:245-246, 1989), which uses protein fusions of candidate gene products with, respectively, the N-terminal DNA-binding dom

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Uemura, H., and Y. Jigami. "Role of GCR2 in transcriptional activation of yeast glycolytic genes." Molecular and Cellular Biology 12, no. 9 (1992): 3834–42. http://dx.doi.org/10.1128/mcb.12.9.3834.

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The Saccharomyces cerevisiae GCR2 gene affects expression of most of the glycolytic genes. We report the nucleotide sequence of GCR2, which can potentially encode a 58,061-Da protein. There is a small cluster of asparagines near the center and a C-terminal region that would be highly charged but overall neutral. Fairly homologous regions were found between Gcr2 and Gcr1 proteins. To test potential interactions, the genetic method of S. Fields and O. Song (Nature [London] 340:245-246, 1989), which uses protein fusions of candidate gene products with, respectively, the N-terminal DNA-binding dom

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Kiseleva, Irina, Irina Isakova-Sivak, Marina Stukova, et al. "A Phase 1 Randomized Placebo-Controlled Study to Assess the Safety, Immunogenicity and Genetic Stability of a New Potential Pandemic H7N9 Live Attenuated Influenza Vaccine in Healthy Adults." Vaccines 8, no. 2 (2020): 296. http://dx.doi.org/10.3390/vaccines8020296.

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This study describes a double-blind randomized placebo-controlled phase I clinical trial in healthy adults of a new potential pandemic H7N9 live attenuated influenza vaccine (LAIV) based on the human influenza virus of Yangtze River Delta hemagglutinin lineage (ClinicalTrials.gov Identifier: NCT03739229). Two doses of H7N9 LAIV or placebo were administered intranasally to 30 and 10 subjects, respectively. The vaccine was well-tolerated and not associated with increased rates of adverse events or with any serious adverse events. Vaccine virus was detected in nasal swabs during the 6 days after

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Bashonga, Bishobibiri Alexis, Bishobibiri Alexis1* Eric Sande Majaliwa Mwanjololo Bashonga, Kahindo Charles, and Sibomana Claver. "The significance of Ruzizi Delta: Rusizi Burundian Delta and Ruzizi Congolese Delta, in the Great Lakes Region, for the Conservation of Birds." Biolife 11, no. 3 (2023): 40–57. https://doi.org/10.5281/zenodo.8360860.

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<strong>ABSTRACT</strong> The significance of the Ruzizi Delta: Rusizi Burundian Delta (RBD) and Ruzizi Congolese Delta (RCD), in the Great Lakes Region for bird conservation was investigated from April 2019 to November 2021 in five sites of the RBD and five sites of the RCD. The investigation was conducted by direct observation on transects counts, counting points and on bird species recognition routes using binoculars and two telescopes. Travels were facilitated by the motorized fiberglass boat and the double cabin field vehicle of the Centre for Research in Hydrobiology (CRH) in Uvira, Demo

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Kaustubh, A. Vyas, and J. G. Jamnani Dr. "Analytical Design Optimization of 765 kV Transmission Line Based on Electric and Magnetic Fields for Different Line Configurations." European Journal of Advances in Engineering and Technology 5, no. 2 (2018): 91–98. https://doi.org/10.5281/zenodo.10702242.

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<strong>ABSTRACT </strong> EHV and UHV AC transmission lines that transmit power through overhead mode require piece of land identified as right-of-ways. These are approximated in relation to the operating effects of the energized line, major focus being given to electric field effects, magnetic field strength and physical clearances. A need exists to determine the distribution of these fields in transmission pathways. Accurate computation of the maximum value of the electric field stress at ground surface is of utmost importance from the view point of human safety. In the present research wor

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Shan, Meng, Honghui Xu, Lujie Han, Yuting Pang, Juncheng Ma, and Chao Zhang. "Temporal Variation and Source Analysis of Atmospheric CH4 at Different Altitudes in the Background Area of Yangtze River Delta." Atmosphere 13, no. 8 (2022): 1206. http://dx.doi.org/10.3390/atmos13081206.

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Through an analysis of CH4 data observed at different altitudes at the atmospheric background station in Lin’an from 2016 to 2020, in combination with back-trajectory and distribution characteristics of potential source areas, the CH4 concentration variations at higher and lower altitudes and their relationships with sources and sinks were studied. The results showed that the CH4 concentration was characterized by notable diurnal variations. The largest concentration difference occurred between 5 and 7 a.m.; the concentration difference in summer was higher than that in the other three seasons

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Ignatyev, G. M., E. Yu Shustova, E. A. Rogozhina, P. A. Belyi, K. Ya Zaslavskaya, and V. A. Merkulov. "<i>In vitro</i> antiviral activity of a double-stranded RNA sodium salt-based medicinal product against SARS-CoV-2." Biological Products. Prevention, Diagnosis, Treatment 23, no. 3 (2023): 290–99. http://dx.doi.org/10.30895/2221-996x-2023-23-3-290-299.

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Scientific relevance. Innate immune activation in the early phases of COVID-19 infection and subsequent interferon induction may help control viral replication and protect cells not yet infected with SARS-CoV-2. Thus, immunostimulants that induce interferon (IFN), including double-stranded RNA-based agents, are a promising means of post-exposure prophylaxis and treatment of COVID-19 at early stages.Aim. The study evaluated the in vitro antiviral activity of a double-stranded RNA sodium salt-based medicinal product against SARS-CoV-2.Materials and methods. The authors analysed the double-strand

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Menzel, Andreas M. "Statistics for an object actively driven by spontaneous symmetry breaking into reversible directions." Journal of Chemical Physics 157, no. 1 (2022): 011102. http://dx.doi.org/10.1063/5.0093598.

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Propulsion of otherwise passive objects is achieved by mechanisms of active driving. We concentrate on cases in which the direction of active drive is subject to spontaneous symmetry breaking. In our case, this direction will be maintained until a large enough impulse by an additional stochastic force reverses it. Examples may be provided by self-propelled droplets, gliding bacteria stochastically reversing their propulsion direction, or nonpolar vibrated hoppers. The magnitude of active forcing is regarded as constant, and we include the effect of inertial contributions. Interestingly, this s

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Adikari, A. M. G. C. P., Mahenderan Appukutty, and Garry Kuan. "Effects of Daily Probiotics Supplementation on Anxiety Induced Physiological Parameters among Competitive Football Players." Nutrients 12, no. 7 (2020): 1920. http://dx.doi.org/10.3390/nu12071920.

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Competitive football players who undergo strenuous training and frequent competitions are more vulnerable to psychological disorders. Probiotics are capable of reducing these psychological disorders. The present study aimed to determine the effect of daily probiotics supplementation on anxiety induced physiological parameters among competitive football players. The randomized, double-blinded, placebo-controlled trial was conducted on 20 male footballers who received either probiotics (Lactobacillus Casei Shirota strain 3 × 1010 colony forming units (CFU) or a placebo drink over eight weeks. Po

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Krueger, Andreas, Annette I. Garbe, and Harald von Boehmer. "Phenotypic plasticity of T cell progenitors upon exposure to Notch ligands." Journal of Experimental Medicine 203, no. 8 (2006): 1977–84. http://dx.doi.org/10.1084/jem.20060731.

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Despite many efforts, the nature of thymic immigrants that give rise to T cells has remained obscure, especially since it became known that extrathymic lineage-negative, Sca-1–positive, c-kit high progenitor cells differ from intrathymic early T cell progenitors (ETPs) by functional potential and dependence on Notch signaling. After our observation that intrathymic T cell precursors expressing a human CD25 reporter under control of pre-TCRα regulatory elements almost exclusively have the ETP phenotype, we have analyzed the phenotypic changes of reporter-expressing common lymphoid progenitor (C

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Sung, Chun-Sung, Hao-Jung Cheng, Nan-Fu Chen, et al. "Antinociceptive Effects of Aaptamine, a Sponge Component, on Peripheral Neuropathy in Rats." Marine Drugs 21, no. 2 (2023): 113. http://dx.doi.org/10.3390/md21020113.

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Aaptamine, a natural marine compound isolated from the sea sponge, has various biological activities, including delta-opioid agonist properties. However, the effects of aaptamine in neuropathic pain remain unclear. In the present study, we used a chronic constriction injury (CCI)-induced peripheral neuropathic rat model to explore the analgesic effects of intrathecal aaptamine administration. We also investigated cellular angiogenesis and lactate dehydrogenase A (LDHA) expression in the ipsilateral lumbar spinal cord after aaptamine administration in CCI rats by immunohistofluorescence. The re

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