نتایج جستجو برای: fiber dyes

تعداد نتایج: 149521  

2007
Igor Sokolov Yaroslav Y. Kievsky Jason M. Kaszpurenko

Fluorescent particles have broad applications in tagging, tracing, and labeling. Fluorescence is typically generated through incorporation of either inorganic or organic fluorescent dyes into the particle s material. While inorganic dyes are typically more stable, their number and compatibility is rather restricted. The large variety of organic dyes makes them attractive for creating fluorescen...

Journal: :Carbohydrate Polymers 2021

Cellulosic nanomaterials are in the focus of academia and industry to realize light-weight biobased materials with remarkable strength. While effect is well known, distribution these less explored, particularly for paper sheets. Here, we explore 3D micro nanosized cellulosic particles sheets correlate their extent fibrillation inside subsequently properties. To overcome challenges contrast betw...

Journal: :Tekstilna industrija 2023

Cotton fiber, which is the most widely used natural fiber in textile and paper industries, has a crucial environmental impact. Cultivation of conventional cotton consumes lot water requires usage higher amount pesticides. Organic more environmentally friendly alternative to its growing conditions. The characteristics change with differences In this study, properties yarns obtained from both con...

Journal: :Chemical Engineering Journal 2022

Currently, only 1% of waste textiles, mainly whites, are recycled because dyes on fibers caused various problems. Unseparated colors might sublime during the fiber regeneration process and pollute working environment. More seriously, final color quality regenerated is uncontrollable. Technologies for complete removal from textiles either by dye-destruction or extraction have major challenges im...

Journal: :applied biotechnology reports 0
maryam mazaheri tehrani mahnaz mazaheri assadi hamid rashedi

textile effluents contain different kinds of chemical dyes and many mutagenic and carcinogenic substances. discharge of these effluents into terrestrial and aquatic ecosystems causes harmful effects. in this research, decolorization of a textile effluent by nineteen different strains of fungi was investigated. removal activity of dyes was in order of   aspergillus > rhizopus > fuzarium > penici...

Journal: :iranian journal of public health 0
m gholami s nasseri mr alizadeh fard a mesdaghinia f vaezi a mahvi

dye removal from effluents of textile industries of iran was investigated through biodegradabilitymethod and membrane technology . basic, reactive,disperse and acidic dyes were selected, based onusage rate in iran. the zahen - welenze method (iso 9888) was applied to study the biodegradabilityof dyes. results showed the final cod and dye removal (%r) as (%61,% 57), (%73, %76), (%25, %14),and (%...

Journal: :Water 2022

As natural fibers, low-cost biosorbents have proven to be an effective and clean tool remove textile dyes from wastewater. In this research, the Reactive Black 5 removal ability of original enzyme-modified fibers were assessed. A fiber extracted a Colombian fique plant (Furcraea sp.) was employed. The effects protonation with different solvents dye solution pH on RB5 evaluated. biosorbent chemi...

2014
Kerstin Bitter Christin Gläser Konrad Neumann Uwe Blunck Roland Frankenberger

PURPOSE Restoration of endodontically treated teeth using fiber posts in a one-stage procedure gains more popularity and aims to create a secondary monoblock. Data of detailed analyses of so called "post-and-core-systems" with respect to morphological characteristics of the resin-dentin interface in combination with bond strength measurements of fiber posts luted with these materials are scarce...

Journal: :iranian journal of microbiology 0
narjes jafari department of biology, faculty of science, alzahra university, tehran, iran. rouha kasra-kermanshahi department of biology, faculty of science, alzahra university, tehran, iran. mohammad-reaz soudi department of biology, faculty of science, alzahra university, tehran, iran.

background and objectives: synthetic dyes are recalcitrant to degradation and toxic to different organisms. decolorization of textile wastewaters is one of the major concerns since last decades. physical-chemical treatments are very expensive and frequently producing large amounts of toxic wastes. biological treatments can be more convenient. in the present study, an attempt has been made for d...

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