Biomass disks based on fine powder produced from disposed wool fibers were prepared for surface-enhanced Raman scattering (SERS). The wool powders (WPs) were modified by silver nanoprisms via an assembly method and then pressed into disks using a hydraulic laboratory pellet press. Scanning electron microscopy (SEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) were used t...

Many handmade ancient and recent oriental wool carpets show outstanding brilliance and persistence of colour that is not achieved by common industrial dyeing procedures. Anthropologists have suggested the influence of wool fermentation prior to dyeing as key technique to achieve the high dyeing quality. By means of μ-XRF elemental mapping of mordant metals we corroborate this view and show a de...

The effects of ultrasound on 2,2'-Azinobis(3-ethylbenzothiazoline-6-sulfonate) enzymatic oxidation by laccase (Trametes villosa) has been studied by means of cyclic voltammetry. The reaction was allowed to proceed in the presence of a piece of wool and the coloration depth of the wool fabric was measured by means of K/S. It was observed that cyclic voltammetry is influenced the dyeing process a...

Currently there are no established or proven recycling options for an estimated 100,000 tonnes of wool-rich carpet shred waste produced annually in the UK. The aim of this essay is to review existing knowledge and to identify areas of future research required to identify practicable recycling options. A study of the literature on the possible uses for wool waste identified three main avenues of...

We characterized the perceptual, functional, and structural abnormalities associated with retinal ischemia during a cotton wool spot episode and its sequelae. The border of the visually salient field anomaly mirrored the quantitatively measured relative scotoma. Results of resolution perimetry and high resolution imaging indicated that there was a substantial loss of retinal ganglion cells with...

An in situ arsenic removal method applicable to highly contaminated water is presented. The method is based in the use of steel wool, lemon juice and solar radiation. The method was evaluated using water from the Camarones River, Atacama Desert in northern Chile, in which the arsenic concentration ranges between 1000 and 1300 microg L(-1). Response surface method analysis was used to optimize t...

Wool fibers of different sample conditions were irradiated in different atmospheres by (60)Co gamma-rays and were studied by electron spin resonance method (ESR). It was found that a large percentage of the alpha-carbon radicals of polymer main chain were more long-lived radicals. The ESR measurements of irradiated cortex samples of the wool fibers proved that most radicals from the cortex were...

Abstract—Woolcool is an eco–friendly type of packaging, made of 100% pure sheep’s wool, hygienically sealed in recyclable food– grade wrap. Due to its complex physical and chemical composition, wool can also help control humidity and reduce condensation. Given these properties, the potential of wool to be used as packaging liners for the transport of meat is of interest. The present study asses...

The studies on physical properties of wool of six breeds of sheep of Punjab, Jammu and Kashmir. Sixty wool samples, 10 from such of the six breeds were selected to study the physical properties of wool. The study revealed that Dorset (exotic) had maximum staple length followed by Rambuillet (exotic) had maximum staple length followed by Rambuillet (exotic), i.e. 6.03 cm and 5.74 cm respectively...

Nomadic pastoralists live at the northern extent o f human habitation within the ca. 5000 m elevation A r u basin, in the nortwestern part o f the Chang Tang Nature Preserve, Tibet. These nomads herd primarily sheep and goats, a lesser number o f yaks, and a few horses. Goats are increasing in importance because o f the value o f cashmere woo l i n national and international markets. Al though ...