نتایج جستجو برای: indigo dyeing
تعداد نتایج: 8949 فیلتر نتایج به سال:
Chemical synthesis of indigo poses harsh environmental hazards and adverse human health effects. This necessitates an environment-friendly and producer-friendly approach for indigo production. The present study was thus significant as it reports an indigenously isolated potential indigo pigment producing culture identified as Pseudomonas sp. HAV-1 with noteworthy antioxidant property. The bioin...
OBJECTIVE To evaluate the efficacy and safety of treatment with indigo naturalis in patients with recalcitrant plaque-type psoriasis. DESIGN Randomized, observer-blind, vehicle-controlled, intrapatient comparison study. SETTING Ambulatory department of a hospital. PARTICIPANTS Forty-two outpatients with chronic plaque psoriasis were enrolled in the study from May 1, 2004, to April 30, 200...
Distributed Gossip in networks is a well studied and observed problem which can be accomplished using different gossiping styles. This work focusses on the development, analysis and evaluation of a novel in-situ distributed gossip protocol framework design called (INDIGO). A core aspect of INDIGO is its ability to execute on a simulation setup as well as a system testbed setup in a seamless man...
Colors and dyes of archaeological textiles from Tarapacá in the Atacama Desert (South Central Andes)
Abstract This work concerns the study of colors and dyes identified on archaeological textiles from Atacama Desert. The different garments ornaments come excavation two important pre-Columbian cemeteries Tarapacá region: Tarapacá-40 attributed to Formative period (1100 BC–660 AD) Pica-8 Late Intermediate (900–1450 AD). For first time, a multi-analytical approach with non-invasive techniques usi...
In this investigation dyeing of alginate fiber was carried out after cationic treatment of 11 EPTAC (2, 3-Epoxypropyl Trimethyl Ammonium Chloride). Optimum dyeing process and 12 parameter show good dyeing performance when alginate fiber dyed with rhubarb dye. In addition 13 to cationic treatment is taken into account for alginate fiber to improve fastness, color strength, 14 breaking strength. ...
Polygonum tinctorium Ait. (Polygonaceae) known as dyerís knotweed is an annual plant growing in the sandy and loamy soils of China, Japan and Eastern Russia, where it is cultivated for both industrial and pharmacological usage (1). Indigo one of its main constituents has been widely used in traditional chinese medicine, and also, as a natural dye, in the production of denim. Although its synthe...
1.1 Dyeing auxiliaries Auxiliaries are compounds which are not an integral part of the dyeing process but by adding them to the dye bath the dyeing can be improved. The main functions of auxiliaries are to prepare or improve the substrate in readiness for colorants (by wetting, providing sorption sites, improving or resisting the migration of dyes), to stabilize the application media (by improv...
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...
Indigo carmine has been used for eight decades with few adverse effects. Several of our patients, however, experienced severe hypotensive episodes after indigo carmine administration within a period of one month. Analysis of the raw materials used to formulate the preparation of indigo carmine we used showed that they contained impurities. Following recall of these impure materials, none of our...
OBJECTIVE To determine if IndiGO individualized clinical guidelines could be implemented in routine practice and assess their effects on care and care experience. METHODS Matched comparison observational design. IndiGO individualized guidelines, based on a biomathematical simulation model, were used in shared decision-making. Physicians and patients viewed risk estimates and tailored recommen...
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