Involvement of silver and palladium with red peanuts skin extract for cotton functionalization.

A systematic study is currently demonstrated approach for approving the superior role of silver and palladium metallic particles in acting the role of mordant with acquiring the dyed cotton fabrics excellence in color fastness with additional functions of antimicrobial potentiality and UV-protection action. Whereas, samples were dyed with extract of red peanuts skin as natural textile colorant (RPN dye). The represented data revealed that, in absence of mordant, the samples treated with metal precursors prior to dyeing were exhibited with the excellent color strength, color fastness, antimicrobial action and UV-protection action.

Breathability performance of antiviral cloth masks treated with silver nanoparticles for protection against COVID-19.

The global widespread of coronavirus disease 2019 (COVID-19) has caused shortage of medical face masks and led to developing of various types of cloth masks with different levels of protection and comfort to meet the market demands. Breathing comfort is a significant aspect that should be considered during the design of cloth masks along with the filtration efficiency; otherwise, the wearer will feel suffocated. In this work, different types of cotton and polyester knitted fabrics blended with spandex yarns were produced and treated with silver nanoparticles to be used as antiviral cloth masks.

Clinical and epidemiologic features of psoriasis patients in an Egyptian medical center.

Background: Identification of epidemiologic and phenotypic variations of psoriasis among different ethnic groups can further our understanding of this perplexing disease, aiming at better management of patients worldwide.

Objective: To provide a descriptive analysis of psoriasis patients registered at Kasr Al-Ainy Psoriasis Unit Disease Registry.

Methods: This retrospective single-center registry study included patient records between November 2015 and November 2018 (2534 patients).

Preparation of cellulose-based wipes treated with antimicrobial and antiviral silver nanoparticles as novel effective high-performance coronavirus fighter.

Coronaviruses (CoV) are a large family of viruses that cause illness ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and Severe Acute Respiratory Syndrome (SARS-CoV). We succeeded in preparing disinfectant cellulose-based wipes treated with antimicrobial and antiviral silver nanoparticles to be used for prevention of contamination and transmission of several pathogenic viruses and microbes to human in critical areas such as hospitals and healthcare centers especially coronavirus. In this work, the antimicrobial and antiviral activities of silver nanoparticles (AgNPs) prepared with four different techniques were investigated for the utilization as a disinfectant for cellulose-based wipes.

Comparative Study of Minimally Invasive Lumbar Decompression versus Decompressive Laminectomy with Posterolateral Transpedicular Fixation for the Treatment of Degenerative Lumbar Canal Stenosis.

Background: The classic laminectomy for spinal decompression was the treatment of choice of the degenerative lumbar canal stenosis (LCS). Many surgeons prefer to add instrumented lumbar fusion to avoid future instability after the removal of posterior elements. Adding fusion is associated with more bleeding and longer periods of hospitalization.

Transpedicular Vertebrectomy With Circumferential Spinal Cord Decompression and Reconstruction for Thoracic Spine Metastasis: A Consecutive Case Series.

Study Design: Retrospective case series.

Objective: To study the feasibility, outcomes, and complications of transpedicular vertebrectomy (TPV), and reconstruction for metastatic lesions to the thoracic spine.

Summary Of Background Data: Metastatic lesions to the thoracic spine may need surgical treatment requiring anterior-posterior decompression/stabilization.

Posterior occiput-cervical fixation for metastasis to upper cervical spine.

Background: Metastasis to craniocervical area may result in instability manifesting as disabling pain, cranial nerve dysfunction, paralysis, or even death. Stabilization is required to prevent complications. Nonoperative treatment modalities are ineffective in providing stability and adequate pain relief.

Site-oriented depigmentation in vitiligo patients using Q-switched Nd:YAG laser (1,064/532 nm), cryotherapy and chemical peels: A comparative study.

Depigmentation emerges as a feasible solution for vitiligo universalis and refractory cases of vitiligo vulgaris that hinder patients' quality of life. A range of depigmenting modalities has previously been developed. However, each has its own limitations.

Nanosilver leverage on reactive dyeing of cellulose fibers: Color shading, color fastness and biocidal potentials.

The current approach focuses on studying the leverage of nanosilver (AgNPs) incorporation on the dyeing process of viscose fibers by blue reactive dye. Nanosilver was straightway incorporated into viscose fibers using sodium citrate as nanogenerator. Owing to AgNPs incorporation, color of fibers was turned to greenish-blue and darker greenish color was observed with low Ag content (<1 g/kg).

Intraoperative Transpedicular Onyx Injection to Reduce Vascularity of a Thoracic Hemangiopericytoma After Unsuccessful Preoperative Endovascular Embolization: a Technical Report.

Background And Importance: Hemangiopericytoma is a rare vascular tumor with central nervous system involvement representing only 1% of central nervous system tumors. They rarely affect the vertebral column. Complete surgical resection is the treatment of choice for hemangiopericytoma given their high rates of local recurrence.

Nanocomposites based on chitosan/silver/clay for durable multi-functional properties of cotton fabrics.

The present work addresses an innovative approach for benign development of environmentally synthesis of chitosan-based nanocomposite. The synthesis involves the inclusion via interaction of AgNPs and clay with chitosan (Cs) giving rise to Cs/AgNPs and Cs/AgNPs/clay nanocomposites which when applied independently induce super functionalities. Comparison is made among the two nanocomposites with respect to their intimate association with the in depth cotton fibre-fabric surfaces and the onset of this on the multi-functionalization of cotton fabrics.

Is There a Relation between Vitamin D and Interleukin-17 in Vitiligo? A Cross-Sectional Study.

Background: High interleukin (IL)-17 contributes to vitiligo pathogenesis. Vitamin D has been assessed in vitiligo, with no reports targeting its relation to IL-17.

Objective: To evaluate a possible regulatory effect of vitamin D on IL-17 and their relation to disease activity in vitiligo.

Printing and impact properties of cationised hollow cellulosic fiber based polyester/cotton composite.

Hollow fibers materials have been potentially used and gaining increasing attention in recent years. In this study, Egyptian hollow fibers have been blended with cotton and polyester wastes at different weft counts using open-end spinning. The blended fabrics were subjected for cationisation followed by printing with reactive and acid dyes.

MR Elastography-derived Stiffness: A Biomarker for Intervertebral Disc Degeneration.

Purpose To determine the repeatability of magnetic resonance (MR) elastography-derived shear stiffness measurements of the intervertebral disc (IVD) taken throughout the day and their relationship with IVD degeneration and subject age. Materials and Methods In a cross-sectional study, in vivo lumbar MR elastography was performed once in the morning and once in the afternoon in 47 subjects without current low back pain (IVDs = 230; age range, 20-71 years) after obtaining written consent under approval of the institutional review board. The Pfirrmann degeneration grade and MR elastography-derived shear stiffness of the nucleus pulposus and annulus fibrosus regions of all lumbar IVDs were assessed by means of principal frequency analysis.

Spatiotemporal evaluation of the groundwater quality in Gharbiya Governorate, Egypt.

Groundwater quality indicators were monitored over 6 years (2007-2012) from 55 drinking water supply wells in Gharbiya Governorate (Egypt). The prime objective was to characterize, for the first time, the governorate-wide significant and sustained trends in the concentrations of the groundwater pollutants. Quality indicators included turbidity, pH, total dissolved solid (TDS), electric conductivity (EC), Cl, SO, Na, total alkalinity, hardness (total, Mg, and Ca), Fe, Mn, Cu, Zn, F, NH, NO, NO, PO, dissolved oxygen (DO), and SiO contents.

Effect of different types of therapeutic trauma on vitiligo lesions.

New treatment modalities for vitiligo acting by changing certain cytokines and metalloproteinases are newly emerging. The aim of this work is to To assess the efficacy of trichloroacetic acid (TCA) chemical peel, dermapen, and fractional CO laser in treatment of stable non-segmental vitiligo and to detect their effects on IL-17 and MMP-9 levels. Thirty patients with stable vitiligo were recruited in a randomized controlled study.

Evaluation of the correlation between serum levels of vitamin D and vitamin D receptor gene polymorphisms in an Egyptian population.

Background: Vitiligo is an autoimmune depigmentation disorder. Polymorphisms in the vitamin D receptor (VDR) have been found to be associated with vitiligo.

Objectives: To evaluate the potential association between VDR gene polymorphisms (ApaI, TaqI, and FokI) and vitiligo susceptibility, and to detect if there is correlation between serum 25-hydroxyvitamin D [25(OH)D] levels and vitiligo and between VDR gene polymorphisms and 25(OH)D levels in vitiligo.

Outcomes Evaluation of Zero-Profile Devices Compared to Stand-Alone PEEK Cages for the Treatment of Three- and Four-Level Cervical Disc Disease.

Background: Anterior cervical discectomy and fusion (ACDF) is a well-accepted treatment option for patients with cervical spine disease. Three- and four-level discectomies are known to be associated with a higher complication rate and lower fusion rate than single-level surgery. This study was performed to evaluate and compare zero-profile fixation and stand-alone PEEK cages for three- and four-level ACDF.

The role of systemic steroids and phototherapy in the treatment of stable vitiligo: a randomized controlled trial.

Pathogenesis of vitiligo is believed to be multifactorial disease with a wide variety of therapeutic modalities. The aim of this work is to assess the efficacy of oral mini-pulse steroids (OMP) plus Nb-U.V.

Immunoglobulin G4-related disease mimicking an epidural spinal cord tumor: case report.

The authors report a case of immunoglobulin G4-related disease (IgG4-RD) presenting as a paraspinal, epidural mass. This disease encompasses a host of autoimmune conditions that were previously thought to be separate entities. It is characterized by fibrosis, mediated by the aberrant proliferation and tissue invasion of IgG4-positive plasma cells, which can occur in any organ.

Phototherapeutic modalities pose no significantly increased risk of oxidative damage to DNA in dark skinned individuals.

Background: 8-oxoguanine, a major product of DNA oxidation, is considered a key parameter in measuring the carcinogenic effects of ultraviolet radiation.

Objective: To assess and compare the carcinogenic potential of different photo (chemo) therapeutic modalities in photoresponsive skin diseases by measuring the levels of 8-oxoguanine in dark-skinned individuals before and after photo (chemo) therapy.

Methods: A prospective, randomized controlled pilot study was conducted in 63 patients of skin types III-V with photo-responsive dermatoses including vitiligo, psoriasis and mycosis fungoides.

Posterior lumbar dynamic stabilization instead of arthrodesis for symptomatic adjacent-segment degenerative stenosis: description of a novel technique.

OBJECTIVE The development of symptomatic adjacent-segment disease (ASD) is a well-recognized consequence of lumbar fusion surgery. Extension of a fusion to a diseased segment may only lead to subsequent adjacent-segment degeneration. The authors report the use of a novel technique that uses dynamic stabilization instead of arthrodesis for the surgical treatment of symptomatic ASD following a prior lumbar instrumented fusion.

Production of antibacterial colored viscose fibers using in situ prepared spherical Ag nanoparticles.

In situ incorporation technique was used for coloration and acquiring excellent antibacterial properties for viscose fibers by silver nanoparticles (AgNPs). AgNPs were prepared in situ and incorporated in viscose matrix directly without using any other reducing and stabilizing agents. The main objective of this research was to successfully employ the reducing and stabilizing features of cellulose to produce nanosilver-viscose composites.