Double negative
Characterization of CD3+CD4-CD8- (double negative) T cells in patients with systemic lupus erythematosus (SLE)
... In human SLE, Shivakumar et al (1989) first reported that the markedly expanded a p TCR^, CD3^ T cells, among the CD /CD8 population from active lupus contained the double negative subset of T helper cells (Th) ...
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A Uapo-Based Solution for the Scattering by a Lossless Double-Negative Metamaterial Slab
... years, double-negative (DNG) metamaterials (MTMs) have attracted considerable attention because of their interesting properties and applications in microwave and optical devices ...have negative ...
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Larval mesenchyme cell specification in the primitive echinoid occurs independently of the double negative gate
... the double-negative gate (DNG), including hesC, was acquired – along with the micromere quartet and PMC – in the euechinoid ancestor ( pink box) because there is no DNG in the cidaroid or ...
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Double Negative Left Handed Metamaterials for Miniaturization of Rectangular Microstrip Antenna
... The double negative meta- material represents a new kind of artificial dielectric me- dia which are usually synthesized using periodic struc- tures and exhibits the negative refractive index charac- ...
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Diffraction by a Lossy Double-Negative Metamaterial Layer: a Uniform Asymptotic Solution
... Abstract—A uniform asymptotic solution is presented for evaluating the field diffracted by the edge of a lossy double-negative metamaterial layer illuminated by a plane wave at skew incidence. It is given ...
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A Subset of CD4/CD8 Double-Negative T Cells Expresses HIV Proteins in Patients on Antiretroviral Therapy
... in double-negative T cells in vivo: Kaiser et ...a double-negative population of CD3 ⫹ lymphocytes in chronic patients, but HIV DNA and RNA were not found to be enriched in CD3 ⫹ ...
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Characterization of CD3+CD4-CD8- (double negative) T cells in patients with systematic lupus erythematosus (SLE).
... 1987; Molina et al., 1995). Insight into the nature of T and B cell interactions in SLE has come in part, from the study of CD4~CD8~ (double-negative (DN)) T cells. The involvement o f expanded populations ...
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Double Negative Mechanical Metamaterials Displaying Simultaneous Negative Stiffness and Negative Poisson’s Ratio Properties
... Our ‘double-negative’ mechanical metamaterial displaying simultaneous negative Poisson’s ratio and negative stiffness properties comprises an auxetic host framework constraining embedded NS ...
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Hybrid Broadband 60-GHz Double Negative Metamaterial High Gain Antenna
... Abstract—This paper proposes a double negative metamaterial surface as a superstrate for a multilayer cylindrical dielectric resonator antenna (MCDRA). The aim is to achieve a broadband and high gain ...
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Planar Dual Band Electrically Small Antenna Based on Double Negative Metamaterials
... A coaxially fed dual-band electrically small antenna based on double-negative metamaterials is presented in this letter. The antenna consists of a microstrip patch antenna as driven element and a ...
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A new wide band double negative metamaterial for C and S band applications
... wide-band double-negative metamaterial, considering a frequency range of ...exhibits negative permittivity and permeability simultaneously at S-band ...a double-negative medium ...
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Waveguides Filled with Bilayers of Double-Negative (DNG) and Double-Positive (Dps) Metamaterials
... The double-negative (DNG) materials having both negative permittiv- ity and negative permeability, enjoy an increased interest, especially because of their physical properties which are ...
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Electromagnetic Field Generated by a Horizontal Electric Dipole on a Double Negative Medium Half Space
... a negative-refractive-index transmission line lens,” IEEE Antennas and Wireless Propagation Letters, ...a double-negative metamaterial grounded slab,” IEEE Antennas and Wireless Propagation Letters, ...
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Design of Dual-Band Double Negative Metamaterials
... Symmetric spiral resonators were proposed and investigated to design dual-band artificial magnetic materials and double negative MTM structures. Also, an approximate analytical model was introduced for the ...
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Novel, Dual Band, Single and Double Negative Metamaterials: Nonconcentric Delta Loop Resonators
... Abstract—Novel, dual-band, single and double negative metamateri- als composed of nonconcentric and different sized delta loop resonators are presented. The proposed structures provide two distinct resonant ...
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Analysis of the Focusing Characteristics of Double Negative Binary Diffractive Lens
... have negative real values (μ < 0, ε < 0) over thirty year’s ago, the properties of the double negative materials (DNG) have raised a great deal of interest, many interesting phenomena and ...
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Transient Electromagnetic Fields in a Cavity with Dispersive Double Negative Medium
... or double negative (DNG) media ...of double positive (DPS) and DNG slabs that compensate each other to provide zero total phase shift [3, 6, ...
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Transmission through Double Positive --- Dispersive Double Negative Chiral Metamaterial Structure in Fractional Dimensional Space
... filters. Double- negative (DNG) metamaterials are structures having simultaneously negative values of permittivity and permeability, giving rise to the so called negative refraction phenomenon ...
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Medullary thyroid carcinoma with double negative calcitonin and CEA: a case report and update of literature review
... In June 2014, a 59 years old male with multinodular thy- roid goiter was observed in our centre. Due to the pres- ence of thyroidal disease, a hormonal evaluation was performed, showing a slight elevation of FT3 (5.19 ...
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Implementation Of Various Bio-Material As Double Negative Metamaterial Build In For Ultra-Wideband (UWB) Antenna Design
... produce negative refractive index and left handed material behavior which helps to enhance the gain and wider the bandwidth that lead to higher data rate transfer than conventional UWB ...
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