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Natural dyes
With \"green\" and sustainability issues at the forefront of many craftspeople's minds, this book is your key to unlocking the world of coloring possibilities offered by plants. Whether harvesting dye-plants from your own garden or using dried materials from suppliers, Natural Dyes contains all the information, instructions and inspiration you need to get the very best results from your dyeing. This book includes a wide range of projects, hints, tips and step-by-step sequences for dyeing both yarns for weaving and fabric and threads for embroidery. The projects are easy to follow with minimal fuss and equipment. The book also includes a section packed with the results of over 40 experiments with different sources of dye, detailing the varied effects and results you can obtain from each particular plant.
Book
DE LA CIRCULACIÓN A LA PRODUCCIÓN: EL CAPITAL GENOVÉS Y LA INDUSTRIA DEL TINTE EN MURCIA (1380-1470)
Frente a este planteamiento, nos serviremos de los novedosos aportes de Jairus Banaji, quien destaca el desarrollo de funciones productivas por parte del capital comercial. Specifically, we will examine the way in which Genoese capital uses its condition of monopoly importer of dyes to try to displace the local master dyers of the city management of dyes. The empirical analysis will lead us away from the assumptions of traditional Marxist historiography that establish a rigid separation between circulation and production. Si bien allí poseen depósitos, la mayor parte es almacenada directamente en la capital del reino, tanto por razones de seguridad como por la mayor actividad comercial que ello permite.15 Tanto en Cartagena como en Murcia, los genoveses disponen de factores al frente de los depósitos.
Journal Article
Wild color : the complete guide to making and using natural dyes /
A practical and inspiring guide to creating and using natural dyes from plants. Offers the latest information on current environmentally friendly dying techniques and more than 65 species of plants and natural dyestuffs.
Book
Efficacy and safety comparison between pulsed dye laser and intense pulsed light configured with different wavelength bands in treating erythematotelangiectatic rosacea
Previous clinical studies have shown that pulsed dye laser (PDL) and intense pulsed light (IPL) are effective for treating erythematotelangiectatic rosacea(ETR). This article aims to compare the efficacy and safety of PDL and IPL at three different wavelength bands (broad-band, single-narrow-band, and dual-narrow-band) in treating ETR. Sixty subjects with ETR were randomly categorized into four groups and received one of the following laser treatments: PDL (595 nm), IPL with Delicate Pulse Light (DPL, 500–600 nm), IPL with M22 590 (590–1200 nm), or IPL with M22 vascular filter (530–650 nm and 900–1200 nm). Four treatment sessions were administered at 4-week intervals, with one follow-up session 4 weeks after the final treatment. The efficacy of the four lasers was evaluated by comparing the clinical symptom score, total effective rate, VISIA red area absolute score, and RosaQoL score before and after treatment. The safety was evaluated by comparing adverse reactions such as pain, purpura, erythematous edema, and blister. All 60 subjects completed the study. Within-group effects showed that the clinical symptom score, VISIA red area absolute score, and RosaQoL score of all four groups were significantly reduced compared to before treatment (p < 0.001). Between-group effects showed no statistically significant difference among the four laser groups. Safety analysis showed that all four lasers were safe, but the incidence of blister was higher in the M22 vascular group. Nonpurpurogenic PDL, DPL, M22 590, and M22 vascular were equally effective in treating ETR and were well-tolerated. ClinicalTrial.gov Identifier: NCT05360251.
Journal Article
A garden to dye for : how to use plants from the garden to create natural colors for fabrics and fibers
A Garden to Dye For shows how super-simple it is to plant and grow a dyer's garden and create beautiful botanical dyes. Features include 40-plus plants that the gardener-crafter can grow for an all-natural, customized color palette. A dyer's garden can be a mosaic of flowers, herbs, roots and fruits that lend us their pigments to beautify other areas of our lives.
Book
The efficacy, satisfaction, and safety of carbon dioxide (CO2) fractional laser in combination with pulsed dye laser (PDL) versus each one alone in the treatment of hypertrophic burn scars: a single-blinded randomized controlled trial
The tendency to use less-invasive laser-based methods with far more obvious effectiveness has been taken into consideration today for improvement of burning scars. The present study thus aimed to assess the efficacy of two laser-based techniques including pulsed dye laser (PDL) and ablative fractional CO2 laser (AFCL) and its combination on improving different aspects of burning scars regardless of the types of scar as hypertrophic or keloid scars. This randomized single-blinded clinical trial was performed on patients suffering hypertrophic or keloid burning scars. The patients were randomly assigned into three groups scheduling for treatment with PDL alone, AFCL alone, or its combination. All patients were visited before and 40 days after the last treatment session, and their scars were assessed. In all groups, significant improvement was revealed in the Vancouver scar scale (VSS) score, the color of scar, vascular bed in the scar, the and height of scar and its pliability; however, the improvement in each item was more highlighted in the group receiving a combination therapy with PDL and AFCL techniques. In this regard, the highest improvement was found in vascular bed and pliability in the combination therapy group as compared to other groups. Although the superiority of the combined group was not statistically significant, due to the high percentage of improvement in total VSS and most of its indicators, it can be clinically significant. The efficacy of the treatment protocols was different considering subgroups of mature and immature scars (less than 1 year), so that more improvement in pliability of scar, vascularity, and color of scar was found in the group scheduling for PDL + AFCL as compared to those who were treated with PDL alone in immature scar group but not in mature scar group. Combined treatment can be much more effective in improving the appearance and pathological characteristics of scars than each individual treatment. This effectiveness can be seen mainly in immature scars.
Journal Article
The art and science of natural dyes : principles, experiments, and results
\"This long-awaited guide serves as a tool to explain the general principles of natural dyeing, and to help dyers to become more accomplished at their craft through an increased understanding of the process. Photos of more than 450 samples demonstrate the results of actual dye tests, and detailed information covers every aspect of natural dyeing including theory, fibers, mordants, dyes, printing, organic indigo vats, finishing, and the evaluation of dye fastness. Special techniques of printing and discharging indigo are featured as well. The book is intended for dyers and printers who wish to more completely understand the \"why\" and the \"how,\" while ensuring safe and sustainable practices. Written by a textile engineer and chemist (Boutrup) and a textile artist and practitioner (Ellis), its detailed and tested recipes for every process, including charts and comparisons, make it the ideal resource for dyers with all levels of experience.\" -- Publisher's description
Book
Highly Sustainable Dyes Adsorption in Wastewater Using Textile Filters Fabricated by UV Irradiation
Vast amounts of dyeing wastewater released from the textile industry can not only cause water pollution but also have negative effects on the human body, such as skin irritation and respiratory diseases. Dye adsorption technology is necessary for the treatment of wastewater discharged from the dyeing industry and for environmental improvement. However, to remove dyeing wastewater, more energy and solvents are used to fabricate adsorbents, or excessive energy is used to filter dyeing wastewater out, resulting in more environmental pollution. Therefore, it is necessary to develop a method of filtering dyeing wastewater in a more environmentally friendly manner by minimizing the use of solvents and energy. In this study, we modified the surface of a textile substrate through UV irradiation to create a monomer capable of facilely bonding with dyes. Employing the UV photografting method, we were able to produce a dye adsorption filter in a more environmentally friendly manner, minimizing solvent usage and heat energy consumption required for absorbent synthesis. At a monomer concentration of 10%, the fabricated filter exhibited a dye removal efficiency of 97.34% after 24 h, all without the need for a pressure treatment or temperature increase. Moreover, it displayed an adsorption capacity of approximately 77.88 mg per 1 g of filter material.
Journal Article
Eco colour : botanical dyes for beautiful textiles
\"Dying with plants is a kind of botanical alchemy, and in Eco Colour, artistic dyer and colorist India Flint teaches you how to cull and use leaves, roots, and flowers to color your cloth and yarn. From whole-dyed cloth and applied color to prints and layered dye techniques, India describes only ecologically sustainable plant-dye methods using renewable resources and takes the path of doing the least possible harm to the dyer, the end user of the object, and the environment. Recipes include a number of entirely new processes developed by India herself, as well as guidelines for plant collection, directions for distillation of nontoxic mordants, and methodologies for applying plant dyes. Eco Colour inspires both the novice home dyer and textile professional seeking to extend their skills using India's successful methods for achieving ecologically friendly, stunning color.\"--Publisher description.
Book
Dye-Sensitized Solar Cells: Fundamentals and Current Status
Dye-sensitized solar cells (DSSCs) belong to the group of thin-film solar cells which have been under extensive research for more than two decades due to their low cost, simple preparation methodology, low toxicity and ease of production. Still, there is lot of scope for the replacement of current DSSC materials due to their high cost, less abundance, and long-term stability. The efficiency of existing DSSCs reaches up to 12%, using Ru(II) dyes by optimizing material and structural properties which is still less than the efficiency offered by first- and second-generation solar cells, i.e., other thin-film solar cells and Si-based solar cells which offer ~ 20–30% efficiency. This article provides an in-depth review on DSSC construction, operating principle, key problems (low efficiency, low scalability, and low stability), prospective efficient materials, and finally a brief insight to commercialization.
Journal Article