How to use Dyes in a sentence

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Sentence Examples Dyes using acetone or alcohol solvents can be diluted with water also. Tailoring the Properties of Boron-Dipyrromethene Dyes with Acetylenic Functions at the 2,6,8 and 4-B Substitution Positions. Dyes may have been, too, including the famous West Asian qirmis, a dye derived from the dried bodies of several insects of the coccid family. Instaset Dyes are available in 14 colors as well as a pearl base to add pearlescence to designs. Janus Dyes. Named after the God, Janus with two faces since they often exhibit two colors. Artist Canvas and wide seamless Muslin Primed Canvas, Gesso, Deka Fabric Dyes n bulk Duvetyn, Cammando Cloth and Theatrical Gauze. Key product segments and sub-segments analyzed include-Inorganic Pigments, Organic Pigments, and Dyes. Dyes are usually soluble in water whereas pigments are insoluble. Dyes from the New World such as cochineal and logwood were brought to Europe by the Spanish treasure fleets, and the dyestuffs of Europe were carried by colonists to America. Existing imaging techniques use natural molecules that fluoresce, such as organic dyes and proteins that are found in jellyfish and fireflies. The textile workshop spins local wool and uses natural dyes to produce an array of knitted, crocheted, and woven items. In their place were perms and dyes, Michelin waists, plump upper arms, and 40-something, careworn faces. Fluorescent colours are vivid and eye-catching, even from a distance, because of special pigment used in the dyes. Yellow dyes are chiefly given us by weld, quercitron bark, and old fustic, an American dye-wood. Indigo plants are used for deep blue dyes, while reddish brown dyes are extracted from cola nuts, the camwood tree, and the redwood tree. Striking items, both decorative and functional, are also crafted from handwoven sea cotton adorned with dyes and embroidery. Even the wool carpeting is colored with vegetable dyes, and is collected and recycled after its useful life span. Hats, caps or other headgear can be worn to protect the head and face from being coloured with hard-to-rinse dyes. The element is also used to make dyes, photographic film, specialized soaps, and catalysts. Originally, natural dyes from amla, henna, pomegranate, indigo and turmeric were used to dye the silk. Show More Sentences One of the major practical applications of chromophore chemistry is in the manufacture of synthetic dyes, or dyestuffs, for textiles. Long before this, however, Native Americans had used the seeds for flour and the oil in their hair, and the petals for dyes. Items to be avoided are lactose, yeast, artificial dyes, titanium dioxide preservatives, sulfites, synthetic colors, and gluten. Many chrome dyes are normal acid azo dyes containing hydroxyl or amino substituents in the ortho position to the azo linkage. An imitation of chrome red is made by coloring white lead, orange lead, or barytes with some of the coal-tar dyes, especially with eosin. Potential applications include fabrics for dresses and blouses as well as swimwear and aerobic wear because the fiber dyes well with spandex. Reduction reactions are also used by chemists to synthesize pharmaceuticals, textiles, dyes, paints, and a multitude of other important products. Mixtures of several synthetic dyes, or mixtures of natural and synthetic dyes, could produce more subdued colors. He creates paintings on the lines of the artistes of yore who not only adopted a conventional artistic idiom, but also used natural dyes. These compounds once came from the distillation of coal tar, and the dyes are still known as coal-tar dyes. The same options were available for dyeing the wool or cotton, which could be achieved at home using dyes such as cochineal and indigo. Next week, we'll discuss how permanents, chemical relaxers, and dyes alter your hair's natural structure. Paper pulp is dyed with textile dyes and cut images are pressed into the paper when wet. Examples include the move to use sheet metal in constructing brassware, mineral dyes for carpets, and the fly-shuttle in handloomed silks. Over the next few years many types of laser were built, some using a mixture of helium and neon, others carbon dioxide or organic dyes. Threads have been dyed in authentic colours of the period, using natural dyes which have been derived from plants like cow parsley. Tattoo dyes, particularly red dye, can cause allergic skin reactions, resulting in an itchy rash at the tattoo site. Other indirect dyes, including vat dyes and sulfur dyes, are insoluble in water. But she said people like the natural vat dyes better, such as indigofera, morinda fruit and root, cashew leaf and teak. By mixing different dyes, the colour of the fluorescence can be selected and hence a screen can be built up from loops of the fibres. Show More Sentences Yellow dyes from native lichens and tree bark were replaced by Old Fustic, a flowering plant, and quercitron bark, both from North America. His mediums include real rust, iron and aluminum powders, patinas, raw pigment and rich dyes. Within each of these layers there are dyes which are released when the film is developed. It is consistent with emission from different rotamers of the cyanine dyes formed immediately after excitation. This article deals with the printmaking process, the color dyes and the papers used. The early settlers were attracted by the logwood, from which was extracted dyes used by the Lancashire cotton industry. They took bottles of differing colors of dyes and began to paint his body in the patterns of runes and symbols as ancient as Eire itself. Fabric zippers come in contact with or are made with oils, lubricants, detergents, dyes, and other common chemicals. Pottery and dyes are rich, luscious and seductive, marks of decadence and luxury. Traditionally safflower was grown for its flower, used in coloring and flavoring food, making dyes, and in medicine. Dyers had used some natural dyes, such as madder and indigo, for thousands of years. Vegetable dyes have always been cheaper, the most common in William Perkin's day were madder and indigo, the ancient red and blue dyes. Occasionally the dyes, such as magenta, mauve, the bright blues, or Metternich green, initiated the fashion. With new paints, dyes, and synthetic fabrics, bright bold color was avidly adopted in all aspects of design. Also, avoid excessive consumption of protein and foods high in yellow dyes. The products from these reactions are used in the production of an important class of dyes, the azo dyes. There are loads of plants, tea leaves, coffee, etc. which can also be used to make lovely dyes. At a time when so many carpet-makers are turning to artificial dyes, he extols the virtues of the old ways. Having a penchant for natural fabrics and dyes, he uses man-made fibers and chemical dyes as well. For some it's best to avoid soaps with detergents or dyes to clean sensitive areas. Show More Sentences Staining with basophilic dyes such as toluidine blue is known as basophilia. The matrix or ground substance of cartilage is strongly basophilic and stains metachromatically with toluidine blue and other similar basic dyes. They are made from papyrus root, bast fiber, and banana leaves and are decorated with mud dyes in elaborate patterns. They do not store vital dyes and, in the structure of their nucleus and the behavior of their protoplasm, resemble mesenchymal cells. A number of such DNA-binding peptides conjugated to intercalating dyes have been synthesized and characterized in the authors' laboratory. He hasn't aged that well, but that may be down to the fact that he dyes his hair ginger instead of black now. An examination of the shelves at my local organic supermarket yielded several options for both permanent and semi-permanent dyes. For more information about tints and dyes, circle the corresponding number on the reader service card. In these cases, metachromasy is an indication of dimerization and polymerization of the adsorbed dyes. Inactive DNA is readily stained with hematoxylin, toluidine blue, and other similar basic dyes. The second step involved adsorption of the toxicologically safe anionic dyes fast green and naphthol yellow S to the clay complexes. Using vital dyes as lineage tracers, the pattern of cleavage has been shown to be invariant but complex, particularly for the ectoderm. He would later tell his of monks cranking out tracts and pamphlets, hands stained with the bluish-purple dyes of a messy-smelly technology. Some of the dyes to which chromophores give a vibrant color are naphthol yellow, vat blue, congo red, and methylene blue. We use fluorescent amphiphilic dyes which are well established to record voltage transients in neurons at low to medium resolution. Men employed in the fur industry also proved to be at risk, possibly related to use of dyes or chemicals such as trichloroethylene. The ability to degrade azo dyes varied between lignin peroxidase isoenzymes and optimum pH for decolorization differed between dyes. Uncharged polar and even ionic dyes with substantial molar weights have often been used to trace apoplastic water movement. Also, tell your doctor if you are allergic to any other substances, such as foods, preservatives, or dyes. This in silico approach would be helpful in ranking textile dyes of the different classes based on their binding affinities. Show More Sentences Newer food dyes used in beverages and gelatin dessert mixes stain very quickly, especially red shades. In acid dyes, which are good for dyeing wool, silk, and acrylics, the chromophores are part of a negative ion. The bedding comes from organically grown, unbleached cotton and pure wool and is free of dyes. With new paints, dyes and synthetic fabrics, bright bold colour was avidly adopted in all aspects of design. Noble metals are known to form nanocomposites with diverse classes of organic compounds including fluorescent dyes. The rugs, which use vegetable dyes, became popular collectibles after the 1979 Russian invasion of Afghanistan. Within a few years, a variety of these potentially safer organic dyes began to replace mineral pigments as food colorants. Natural dyes are not sufficiently colour fast to use in the manufacture of our carpets. Many of the colors were not fast, although there is not agreement in the literature on fastness properties of the various dyes. In addition, the carrier molecule may also protect some dyes from chemical, photochemical or radiolytic degradation. The same options were available for dyeing the wool or cotton, which could be achieved using dyes such as madder, cochineal, and indigo. Even rarer were certain organic dyes, such as indigo or purple, which had to be impregnated in chalk or the like to make them fast. Indigo, the parent compound of the indigoid class of dyes, has been in use as a vat due since before recorded history. Indigotin was used in conjunction with other dyes to produce several purples and a green. It is also the most stain resistant because unlike wool, its fibers do not accept dyes and colors easily. The sandals are sewn by hand, made with low-impact, fiberreactive dyes and no fixative chemicals. The most utilized fluorescent markers of dead cells are polar DNA-binding dyes, unable to penetrate intact plasma membranes. Janos Hajito made his discovery by mixing fluorescent dyes with polycarbonate, a transparent polymer. The reactive dyes have been characterized by the corresponding color index names and numbers, the chemical class and reactive groups. Turkey and dressing are not on our list of dyes, but cranberries make a beautiful pink and red dye. Show More Sentences These resins have excellent dyeing property for the vaporable or thermally diffusible dyes. Before the operation, the aneurysm's exact size and shape is measured using special radio-opaque dyes. Srikalahasti in Andhra Pradesh was famous for kalamkari, and Machilipatnam was renowned for fine textiles block printed with vegetable dyes. Only intercalating dyes exhibit decay kinetics simple enough to attempt a lifetime-based analytical procedure. Dyers could use concentrated extracts of some dyes, while chemical modifications simplified other processes. While some black synthetic dyes were developed, dyers continued to use logwood to the end of the century, especially for silk. In addition, the re-export of dyes figures prominently in the list of 1990s exports. Other kudzu entrepreneurs make sculptures, bales for animal feed, kudzu cookbooks, kudzu soaps, and kudzu dyes for t-shirts. Red lakes made from synthetic alizarin became common alongside the lakes derived from natural madder dyes. Check the garment's label for recommended wash temperature to prevent colors from fading and dyes from running. Cells can also be labelled by intracellular injection of fluorescent dyes or reporter enzymes. He once famously got an injunction banning anyone from repeating the allegation that he dyes his hair. After leaving the kitchen table strewn with cracked eggshells and dyes, Hannah didn't want to go to church. There is a replaceable ink reservoir filled with a viscous fluid of either spirit-soluble or oil-soluble dyes. Nitrobenzene, which is used in the production of aniline, a major chemical intermediate in the production of dyes. The thing is, you must remember that both imperial purple and indigo are pigments, not dyes, a dye as to be soluble. Alum was used to cure leather and fix dyes in cloth as well as for medicinal purposes. In this study, we clarified that many natural dyes of plant origin act as antifeedants to varied carpet beetles. It is used in the manufacture of antioxidants, pharmaceuticals, dyes, and in the vulcanization of rubber. They spin and colour the wool themselves, using natural dyes, and create hand-made woollen garments including some very natty jumpers based on Rothko paintings. Show More Sentences About half a mile from the Desolate Borough's walls, the city dumped the by-products of dyes, tatters of textiles, and every other waste that had no use for. The dyes are so sophisticated that they don't damage the hair, so women have the confidence to experiment with hair colour just as they do with make-up and beauty treatments. After the yarn had been spun it would be dyed using natural dyes. A team led by the engineering professor is mixing fluorescent dyes with standard polymers to create low-cost plastics that glow under black light. However, whether the emission properties of any other organic dyes can be improved by incorporating into hybrid organic-inorganic nanocomposites remains to be established. The team used chromophores with very large two-photon absorption cross sections to develop photoactive materials, and tuned the laser to excite the dyes. Using various concentrations of dyes and different processing conditions, they could produce almost any combination of monomer and excimer emission. The suppression of the photodynamic potency of aluminum phthalocyanines was attributed to desorption of the dyes from lipid bilayers induced by fluoride or hydroxyl ions. The planting of indigoes was only by a handful of Hakka farmers in mountain towns, because poor transportation prevented them from acquiring imported dyes. The skirt cloths and the Balinese textiles have a strong integrative bias, featuring tie and dye skills, the use of natural dyes along with the indigenous batik tradition. In the Colonial Era, chemical manufacturing was confined to such rudimentary products as indigo dyes, naval stores, leather, glass, soap, and candles. The triplet excited state of dyes bound to DNA can serve as probes of slow motions of DNA molecules on timescales of microseconds to milliseconds. Ann Kemp left Lancashire in the mid-1980s to farm on Islay, hand shearing her own rare breed sheep, spinning their wool into yarn, dyeing it with natural dyes and knitting it. The repartition of the two dyes in the final image corresponds with the expected one and the time constants retrieved are in good agreement with literature values. Windmills were also used to saw timber, grind minerals and oil seeds, process spices and cocoa, grind pigments into paints and dyes, and press tobacco. Most early weavers spun their own yarn and made their own dyes. This playsuit is printed using low impact environmentally sound dyes. The purplish hue of purple drank comes from dyes in the cough syrup. Using a combination of natural and chemical dyes, Enid has included in this exhibition works using the Japanese method of resist dyeing on silk, known as Shibori. You can tell that she dyes her hair blonde because her dark roots are showing. Show More Sentences A micrometer-thick coating of steam-jet-cooked starch is just the thing to improve plastic films' retention of the water-based dyes and printing inks used on food labels. Crushed printed sheers on polyester voile also are popular, as are lightweight yarn dyes with top beam plaids accented with woven florals or small designs. Take care when using bluing or laundry bleaches or hair dyes and rinses. The craft of the carpetmaker includes traditional professional skills, such as wool processing, gathering of natural vegetable, animal or mineral dyes and yarn making. For the most part, though, manufacturers adopted recipes using synthetic dyes, or mixtures of synthetic and natural dyes, to provide whatever colors were in demand. These jersey knit sheets feature organic cotton and are not treated with chlorine bleach, chemical softeners, or synthetic dyes that can irritate skin. Traditional photography utilizes negative film and positive prints that hold the image in an emulsion of silver for black and white or dyes for color. Aniline is used in the manufacture of a number of products including dyes, pharmaceuticals, antioxidants, and vulcanization accelerators in rubber compounds. Not all dyes need mordants to help them adhere to fabric. If they need no mordants, such as lichens and walnut hulls, they are called substantive dyes. Its sustainably forested wood is stained with nontoxic, water-based dyes. Stripes and plaids, mostly madras style, were in both prints and yam dyes. Some New Zealand lichen dyes produced other colours like bluish purples. This superfine cloth comes from our own traditional handlooms woven out of natural fibres like cotton, linen, silk, wool, jute, etc. and soaked in natural dyes. He drives a flash sports car, has three tattoos and dyes his hair. But an increase in light flux did lead to degradation of the dyes. Biologists have long used fluorescent dyes that selectively attach to particular molecules, allowing them to detect certain cells or proteins in a sample. It is dyed with the finest dyes possible and mothproofed for a long life. It may be worth noting that because caustic chemicals are used in hair dyes, perms, and relaxers, you would be wise to place your hair in the hands of a professional. Urzela, a natural substance used in dyes, was another imported crop. The relaxation of the voltage was monitored by electrochromic absorption transients of intrinsic carotenoids, and the proton flow by pH-indicating dyes. Show More Sentences This method of determining the percentage of living cells is based on the knowledge that viable and nonviable cells differ in their ability to extrude fluorescent dyes. Even so, it takes a skilled weaver working with special wools and dyes a month or more to create a square yard of tapestry, so Aubusson never comes cheap. For example, fluorescent cyanine and related dyes can be attached to amine, hydroxy or sulfhydryl groups of avidin and to antibodies and to lectins. In most of the tapestries that we see in museums or country houses the dyes have faded badly and it is difficult to envisage the impact they had when first hung. Thus, it is logical to use these dyes as specific bifunctional ligands for affinity precipitation. Similarly, the chemical industry started by producing bleaches and dyes, but expanded into other areas. Before the invention of synthetic dyes, mushrooms were the source of many textile dyes. By 1900, the German chemical industry dominated the world market for synthetic dyes. The three major firms BASF, Bayer and Hoechst produced several hundred different dyes, along with the five smaller firms. Chemical dyes tended to produce a very strong, dark colour compared to the natural dyes. The European coastal ports supplied domestic goods, dyes, linen, metal products, salt and wine. Lichens have been used in making dyes, perfumes, and in traditional medicines. These compounds are very useful for lichen identification, and have had economic importance as dyes such as cudbear or primitive antibiotics. There are reports dating almost 2000 years old of lichens being used to make purple and red dyes. Orcein and other lichen dyes have largely been replaced by synthetic versions. Also brought back from India were dyes like lac, indigo and dyewood and precious ornamental objects and materials like ivory, ebony and pearls. Mineral makeup usually does not contain synthetic fragrances, preservatives, parabens, mineral oil, and chemical dyes. The FDA only regulates against some colors that can be used in the cosmetics and hair dyes. European industrialists sought raw materials such as dyes, cotton, vegetable oils, and metal ores from overseas. However, it was German industry that quickly began to dominate the field of synthetic dyes. Show More Sentences Further to this, specific dyes within this group have also been shown to induce purpuric contact dermatitis. Yarn may be used undyed, or may be coloured with natural or artificial dyes. However, the manufacture of some dyes and other chemical processes require a more concentrated product. Both dyes and pigments are colored because they absorb only some wavelengths of visible light. Some dyes can be rendered insoluble with the addition of salt to produce a lake pigment. The dyes were obtained from animal, vegetable or mineral origin, with none to very little processing. Attachment to the fiber is attributed, at least partly, to salt formation between anionic groups in the dyes and cationic groups in the fiber. Mordant dyes require a mordant, which improves the fastness of the dye against water, light and perspiration. Most natural dyes are mordant dyes and there is therefore a large literature base describing dyeing techniques. Vat dyes are essentially insoluble in water and incapable of dyeing fibres directly. Reactive dyes utilize a chromophore attached to a substituent that is capable of directly reacting with the fiber substrate. The covalent bonds that attach reactive dye to natural fibers make them among the most permanent of dyes. Reactive dyes are by far the best choice for dyeing cotton and other cellulose fibers at home or in the art studio. One other class that describes the role of dyes, rather than their mode of use, is the food dye. Because food dyes are classed as food additives, they are manufactured to a higher standard than some industrial dyes. Food dyes can be direct, mordant and vat dyes, and their use is strictly controlled by legislation. Many are azo dyes, although anthraquinone and triphenylmethane compounds are used for colors such as green and blue. Natural dyes were originally used, with synthetic dyes coming in the second half of the 19th century. Before chemical dyes became available, this dye was made from either iron ore or graphite mixed with grease. However, experiments with dyes have shown that they are two separate waterways that go underground at different locations. Show More Sentences Fiber dyes are easily absorbed by skin, so always wear rubber gloves while tie-dying. In addition, Langmuir model confirms that the adsorptions of both dyes are monolayer using the homogenous distribution of adsorption sites. The impact of xanthophyllous dyes on the overall colour of plants is negligible, as they occur in very small quantities. Phloxine B and Eosin Yellow are halogenated photoactive xanthene dyes, that are FDA approved for use in human cosmetics and drugs. Ion-pairing with acidic dyes under the described conditions is less likely because the carboxy metabolite is a zwitterion. A spectrophotometric assay for avidin and biotin based on binding of dyes by avidin. The Iranian researchers succeeded in the laboratorial production of quantum dots made of graphene as catalysts to produce azo dyes. Azo dyes impart vivid and warm colors such as red, orange, and yellow to fabric. Chemicals such as formaldehyde and azo dyes that are used in textile processing are hazardous to the environment. Nitroaniline compounds may release to the environment during their industrial production reactions or during the production of azo dyes. Another top sensitizer is artificial colors and dyes, which are petroleum-based. The pigment in safflower is benzoquinone-based Carthamin, so it is one of the quinone-type natural dyes. Therefore, the process of the production of azo dyes does not require sodium nitrite any more, which is a very toxic compound. Textile dyestuffs typically include dyes such as acid dyes, basic dyes, direct dyes, disperse dyes, reactive dyes, sulfur dyes and vat dyes. The fluorophores for NIR imaging had been typically limited to the general class of cyanine dyes such as indocyanine green. Para-phenylenediamine is a major ingredient of oxidisable permanent hair dyes. Lignin-derived compounds as efficient laccase mediators for decolorization of different types of realcitrant dyes. Effect of heavy metals on the production of several lacease isoenzymes by Trametes versicolor and on their ability to decolourise to dyes. To determine if artificial food dyes elicit a gustatory response in larvae, gelatinized blends based on an artificial diet were prepared. The first step in the synthesis of azo dyes is the conversion of amine compounds into diazonium salts. Show More Sentences In one example, PS-PMMA resins were blended with PEG and phthalocyanine dyes, and then molded into disks for holographic recording. Before the 1980s some hair dyes contained substances called arylamines that caused tumours in animal studies. More of us are colouring our hair than ever before and, perhaps not surprisingly, allergic reactions to hair dyes are on also on the increase. For example, electrophotography, optical data storage, and non-linear optics, have all incorporated squaraine dyes. Multiple layers of epoxy resin mixed with brown pigments and dyes partially obscure the text. The molecular thermometer consists of dyes such as porphyrins, metallo-porphyrins, fluorenes, and triphenylamines. Contaminant interference can significantly affect fluorescence readings of these dyes. Eosins are acid xanthene or phthalein dyes. Eosin Y, eosin B, phloxine and erythrosin, are the common members of this group of dyes. Three common flow cytometry dyes are fluorescin isothiocyanate, phycoerythrin, and propidium iodide. The comonomers, containing anionic groups such as sulphonate and carboxylate groups, will specifically make PAN fibers dyeable with cationic dyes. One allergic reaction we're seeing commonly is to hair dyes. Health disorders caused by hair dyes are a major concern for consumers. The dyes enable the grouter to quickly discern if liquids coming into the structure are from Tank A, Tank B, a combination of both, or merely ground water. The dyes in question contain gadolinium and are used in MRI scans that provide detailed pictures of internal organs and in similar scans that image blood vessels. Currently, the market offers distinct basic dyes, direct, mordant, and vat dyes, and reactive and disperse dyes, which are expected to fade away, giving way to natural dyes. Established real-time amplification techniques usually employ unselective intercalating dyes or target-specific fluorescently labeled oligonucleotides. Chlorine-substituted triazines are also used as reactive dyes. Flexo, Security, and Stamp Pad is sell as dyes for Specialty Coatings. During the year, its baby products division, which includes the Tommee Tippee brand, saw turnover rise 11pc, although its Dylon fabric dyes had a disappointing year for sales. Most conventional laundry detergents and many of the color dyes used on camouflage clothing manufactured overseas contain so-called blueing, brightening or whitening agents. Show More Sentences Other aniline dyes followed, such as fuchsine, safranine, and induline. Azo dyes are derivatives of aromatic amines such as benzidine and aniline. The schoolboy, from Surrey, dyes his blond hair and has built up a wardrobe of three rhinestoned jumpsuits and Elvis's '68 black leather comeback look. We are particularly concerned by the use of azo dyes, derived from coal tar and banned in many other countries, including the USA and Scandinavia. Microsphere Technology coats borosilicate glass microspheres and aluminosilicate ceramic cenospheres with coatings based on metals, metal oxides, pigments, and dyes. Some of the reactions to these dyes and glues look like athlete's foot. Early industries discharged a variety of pollutants into the river including dyes from textile mills and heavy metals and solvents from metal and woodworking industries. Sulfur dyes are inexpensive dyes used to dye cotton with dark colors. Direct dyes are used on cotton, paper, leather, wool, silk and nylon. By far the greatest source of dyes has been from the plant kingdom, notably roots, berries, bark, leaves and wood, but only a few have ever been used on a commercial scale. In the northern part of Botswana, women in the villages of Etsha and Gumare are noted for their skill at crafting baskets from Mokola Palm and local dyes. This yielded a valuable fixing agent for clothing dyes, and was one of the first ways to achieve a fast black before the advent of artificial dyes. Although they never achieved their goals in either of these futile pursuits, they did contribute to the discovery of new metal alloys, porcelain products, and new dyes. Other useful materials are also produced by plants, such as resins, dyes, drugs, perfumes, biofuels and ornamental products such as cut flowers and nursery plants. These include building materials, fibers, dyes, rubber and oil. The Mediterranean area traded dyes, premium cloths, fruits and spices. This patent was filed in 1791 and although it was not developed at the time this can be seen as the first step in the development of aniline dyes and coatings. The chromophores of mushroom dyes are organic compounds and produce strong and vivid colors, and all colors of the spectrum can be achieved with mushroom dyes. At first the production of dyes based on aniline was critical. Briefly, 120 pg of total protein from each exposed sample and from each control sample was labeled with 400 pmol of the cyanine dyes Cy5 and Cy3, respectively. Show More Sentences From the Middle Ages through the 15th century, the northern European coastal ports exported domestic goods, dyes, linen, salt, metal goods and wine. Ink is a complex medium composed of solvents, pigments, dyes, resins, lubricants, solubilizers, surfactants, particulate matter, fluorescers and other materials. About two-thirds of dermatologists surveyed had seen an increase in patients with reactions to hair dyes, many of whom have previously had the temporary black henna tattoo. Examples from Classical Literature Linen is less elastic and pliable than cotton and bleaches and dyes readily. Their clothes they variegate by steeping them in dyes, which produce a colour not easily effaced. This staining can only be limited by dilution, but not by the addition of opposed dyes. It is interesting to notice that this irregularity sometimes occurs with soluble dyes, as for example in the case of auramine. Bear in mind, that the indigo carmine dyes up slowly and requires a high temperature. There is also a room of technical exhibits, chemicals and minerals used in the industrial arts, dyes, textiles. All azo compounds are highly coloured, and in some cases they are direct cotton dyes. The supersession of madder by aniline dyes has, indeed, for a time almost ruined the small farmers of Vaucluse. Other dyes derived directly or indirectly from phenol will take us back once again to toluene. This reduction is brought about under conditions similar to those necessary for the reduction of dyes, such as methylene blue. In the various colours and dyes we have all phases, and the monogenetic shades almost imperceptibly into the polygenetic. In Tanay, Rizal, it is employed on sabutan straw with all of the vegetable dyes. The only dyes in this group which appear somewhat behind the rest in point of fastness are purpurin and alizarin maroon. Diazo compounds are therefore important intermediate substances in the manufacture of azo dyes. The color of hers was completely masked by a bizarrely spectacular overlay of designs done in semi-indelible, multi-colored dyes. Generally the blacks dyed on wool with these dyes are very fine, have a full, bloomy appearance, and are very fast. Unfortunately, the facility with which aniline dyes can be used is not unknown. The mills, with their dyes and dirt, are also responsible for the dearth of trout. The safflower and henna supplied the women with dyes for the stuffs which they manufactured from hemp and flax. With all these peculiarities of the diamine and other direct dyes the union dyer must make himself familiar. Show More Sentences Certain structures take up only acid dyes, and are called acidophilic, oxyphilic, or eosinophilic. The illustrations are exquisite hand drawn with gold gutta onto white silk, and then painted with brushes using silk dyes. Afterwards he obtained a post in the laboratory of a manufactory of dyes. Chemists have developed a way to extract natural dyes from ancient textiles while preserving the unique chemical characteristics of each dye. The dyes with the ponceaus are faster than those with eosine or safranine. Therefore, they cannot remove dangerous cations or dyes with positive charge from water or textile wastewater. The worker in stained glass dyes or paints with the same oxides. With some dyes a separate bath is needed, such as with camwood or Catechu. When this compound is combined with naphthol diazo-azo dyes are produced. For other dyes cotton has a special attraction, such as catechu. Also synthetic and natural iron oxides, organic dyes for high-temperature polymers, and fluorescent, phosphorescent, invisible, and ultramarine pigments. The dyes will come from a number of traditional dye plants formerly used in the Highlands, including hawthorn, marsh marigold and yellow flag iris. The forests had put on their sober brown and yellow, while some trees of the tenderer kind had been nipped by the frosts into brilliant dyes of orange, purple, and scarlet. He had already a high reputation in the district for his dyes, and he was bent on discovering some method by which he could reduce the expense of crimsons and scarlets. And when the light of day returning dyes The portals of the east with tints of rose, With undiminished force my sorrow flows In broken accents and in burning sighs. Find more words! 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