Study of chemical and physical behavior cotton fabrics treated by corona discharge after several laundering

Cotton fabric because of finishing process has shrinkage behavior after laundering and for improving this problem, chemical agents utilize for anti-shrinkage. This temporary finishing can reduce shrinkagebut has many environmental problems. Corona discharge treatment has been used for cotton fabric, other fibers and polymers. This treatment can reduce costs and environmental impacts. In this study, cotton fabric was treated by corona discharge instrument at 2 - 40 passages and fabrics were washed with laundering method. After four times laundering, shrinkage behavior of corona discharge treated fabric as compared with un-treated fabric decrease. After 10 passages of corona discharge treatment,water, dye absorption and shrinkage are modified but after 14 passages, despite of shrinkage improvement, dyeing properties decrease

Transcriptional landscape of epithelial and immune cell populations revealed through FACS-seq of healthy human skin.

Human skin consists of multiple cell types, including epithelial, immune, and stromal cells. Transcriptomic analyses have previously been performed from bulk skin samples or from epithelial and immune cells expanded in cell culture. However, transcriptomic analysis of bulk skin tends to drown out expression signals from relatively rare cells while cell culture methods may significantly alter cellular phenotypes and gene expression profiles. To identify distinct transcriptomic profiles of multiple cell populations without substantially altering cell phenotypes, we employed a fluorescence activated cell sorting method to isolate keratinocytes, dendritic cells, CD4+ T effector cells, and CD8+ T effector cells from healthy skin samples, followed by RNA-seq of each cell population. Principal components analysis revealed distinct clustering of cell types across samples, while differential expression and coexpression network analyses revealed transcriptional profiles of individual cell populations distinct from bulk skin, most strikingly in the least abundant CD8+ T effector population. Our work provides a high resolution view of cutaneous cellular gene expression and suggests that transcriptomic profiling of bulk skin may inadequately capture the contribution of less abundant cell types

Realization of compact broadband rat-race coupler

In this article, a method to miniaturize the broadband rat-race couplers using microstrip nonuniform transmission lines (MNTLs) is presented. The proposed coupler features a compact size on a single circuit layer structure without reactive components and via-holes. The design formulas are developed using ABCD matrix and even-odd mode analysis. The theoretical analysis has been verified by measurement of the manufactured broadband MNTL rat-race coupler with center frequency of 1.35 GHz and 89% fractional bandwidth. The isolation, magnitude, imbalance and phase imbalance are less than -20 dB, 0.5 dB, and 4 degrees, respectively, within 0.75-1.95 GHz frequency bandwidth.</p

A new three-dimensional conical ground-plane cloak with homogeneous materials

A new three dimensional conical ground plane electromag- netic cloak is proposed and designed based on the coordinate transfor- mation of Maxwell's equations. Material parameters of the conical invisible cloak are derived which have simple form and lesser inhomo- geneity compared with other 3-dimensional cloaks. Because of conve- nient form of the constitutive tensors of the conical cloak, we propose a new strategy for homogeneous approximation of the materials of the cloaks. Numerical simulations confirm that approximation with eight slices, is more than enough and this cloak can hide any object on the ground as well as inhomogeneous ones.</p

Compact dual-band stubless branch-line coupler

The implementation of microstrip nonuniform transmission lines (MNTLs) for dual-band branch-line coupler design is presented in this study. The proposed structure demonstrates dual-band performance, low insertion loss, and compact size in comparison with other prior proposed dual-band branch-line couplers. The current work fabricates an experimental dual-band branch-line couplers working at 0.9/1.8 GHz. Employing the stubless branches also leads to circuit miniaturization and achieves an overall size reduction up to 64.4%, compared with conventional stub tapped dual-band couplers. Also, stubless dual-band operation of the coupler causes the same phase relation between the two output signals at the two frequency bands. The measured results validate good dual-band performance.</p

Advanced Wave Manipulation through Oblique Illumination of Space-Time Modulated Media

We present a theoretical and numerical framework for the wave spectrum manipulation and control of electromagnetic waves using time-periodic space-time modulated slabs. We show that such slabs provide peculiar and unique control over electromagnetic fields as well as wave spectrum alteration. Interesting features include new frequency generation, unidirectional wave manipulation and space-scanning.</p

Recent advances in theory, concepts and applications of space-time modulated media

We report on our latest results concerning the theory, concepts and applications of space-time modulated media. This includes a collection of theoretical, numerical and experimental demonstration of classes of space-time varying structures and their unique functionalities.</p

Generalised single-section broad-band asymmetrical Wilkinson power divider

This study presents microstrip non-uniform transmission lines (MNTLs) for asymmetrical single-section broad-band Wilkinson power divider design without reactive components. The proposed topology uses an asymmetrical MNTL section and three MNTLs for input/output transformers. The proposed structure demonstrates broad-band performance, low insertion loss and compact size in comparison with other proposed multi-section broad-band Wilkinson power dividers. An MNTL broad-band power divider working from 0.4 to 1.8 GHz is fabricated, and the measured results validate good broad-band performance with more than 127% bandwidth.</p

DOES THE USE OF ANALGESIC CURRENT THERAPIES INCREASE THE EFFECTIVENESS OF NECK STABILIZATION EXERCISES FOR IMPROVING PAIN, DISABILITY, MOOD, AND QUALITY OF LIFE IN CHRONIC NECK PAIN? A RANDOMIZED, CONTROLLED, SINGLE-BLIND STUDY (A PILOT STUDY)

Annual European Congress of Rheumatology -- JUN 14-17, 2017 -- Madrid, SPAINWOS: 00041318140139