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synthetic and dye
There is also a synthetic dye that has been named " amaranth " for its similarity in color to the natural amaranth pigments known as betalains.
A great variety of synthetic dyes have been developed since the synthesis of indigo dye in the mid-19th century ; however, natural dyes are also possible, although they are generally less brilliant.
The first human-made ( synthetic ) organic dye, mauveine, was discovered serendipitously by William Henry Perkin in 1856.
A great variety of synthetic dyes have been developed since the synthesis of indigo dye in the mid-19th century ; however, natural dyes are also possible, although they are generally less brilliant.
The first synthetic organic dye, mauveine, was discovered by William Henry Perkin in 1856 while he was attempting to synthesize quinine.
** Mauveine, the first synthetic organic dye, is discovered by William Henry Perkin while attempting to synthesize quinine.
The use of lac for dye has been supplanted by synthetic dyes.
The discovery in 1856 of mauveine, the first aniline dye, was a forerunner for the development of hundreds of synthetic dyes and pigments like azo and diazo compounds which are the source of wide spectrum of colors.
* 1856 – William Henry Perkin invents the first synthetic dye.
Coal tar was subsequently used to produce the first synthetic dye, mauve, by William Henry Perkin in 1856 and in 1853 was found, by Charles Gerhardt to contain the chemical acetylsalicylic acid, now known as aspirin.
Most selvage jeans today are dyed with synthetic indigo, but natural indigo dye is available in some denim labels.
* Colors can be extraordinarily brilliant due to the bonding of the dye to the transparent fibers of the synthetic fabric.
Further patents were granted for the synthesis of methylene blue and eosin, and in 1880 research began to try to find a synthetic process for indigo dye, though this was not successfully brought to the market until 1897.
Mauveine, also known as aniline purple and Perkin's mauve, was the first synthetic organic chemical dye, discovered serendipitously in 1856.
By 1870, its great demand succumbed to newer synthetic colors in the synthetic dye industry launched by mauveine.
Laborers in the aniline dye industry were later found at increased risk of bladder cancer, specifically transitional cell carcinoma, yet by the 1950s, the synthetic dye industry helped transform medicine, including cancer treatment.
The various industries have included a dye works, electricity generating station, two scrapyards, sewerage works, British Celanese synthetic fibres works and a tannery.
Today, the dark blue dye known as indigo once produced from woad and Indigofera tinctoria is largely of synthetic origin.
This can be achieved by smearing the sample onto the slide and then applying nigrosin ( a black synthetic dye ) or Indian ink ( an aqueous suspension of carbon particles ).
Likely due to the desire for a " tattoo-black " appearance, many people have started adding the synthetic dye p-Phenylenediamine ( PPD ) to henna to give it a black colour.
Nestlé decided to replace all synthetic dyes with natural ones, but, unable to source a natural blue dye, the blue Smarties were removed from circulation ( which led to the common misbelief that only the blue Smarties would trigger hyperactivity in some children ), and white Smarties were introduced in their place ( despite originally not being allowed to make white ones due to their resemblance to tablets ).
Use of this dye came to an end at the beginning of the twentieth century, when cheaper synthetic yellow dyes came into use.

synthetic and is
Unfortunately, the purely synthetic problem is the rule.
Little is known of the synthetic mechanisms for formation of thyroglobulin.
Muscle weakness is now recognized as an uncommon though serious complication of steroid therapy, with most of the synthetic adrenal corticosteroids in clinical use.
An android is a robot or synthetic organism designed to look and act like a human, especially one with a body having a flesh-like resemblance.
Her whole body is made of highly advanced synthetic jelly silicon and with 60 artificial joints in her face, neck, and lower body ; she is able to demonstrate realistic facial expressions and sing while simultaneously dancing.
There is one test based on " Brazil law twinning " ( a form of quartz twinning where right and left hand quartz structures are combined in a single crystal ) which can be used to identify synthetic amethyst rather easily.
In the first part, Hume discusses how the objects of inquiry are either " relations of ideas " or " matters of fact ", which is roughly the distinction between analytic and synthetic propositions.
* 1982 – The synthetic chemical element Meitnerium, atomic number 109, is first synthesized at the Gesellschaft für Schwerionenforschung in Darmstadt, Germany.
Tetrahydrocannabinol ( THC ) and some other cannabinoids, either from the Cannabis sativa plant or synthetic, have analgesic properties, although the use of cannabis derivatives is currently illegal in many countries.
A synthetic version, known as pharmahuasca is a combination of an appropriate MAOI and typically DMT.
Alternatively they can be organized by whether the raw stock is of natural, or synthetic origin, or by their starting physical phase.
The driving band is usually made of copper, but synthetic materials have also been used.
The cork is covered with thin leather or synthetic material.
This phenomenon is called monodispersity in contrast to the polydispersity encountered in synthetic polymers.
It is a synthetic element whose most stable known isotope, < sup > 270 </ sup > Bh, has a half-life of 61 seconds.
Lawn bowls is usually played on a large, rectangular, precisely levelled and manicured grass or synthetic surface known as a bowling green which is divided into parallel playing strips called rinks.
Phenolic sheet is a hard, dense material made by applying heat and pressure to layers of paper or glass cloth impregnated with synthetic resin.
Modern biotechnology is often associated with the use of genetically altered microorganisms such as E. coli or yeast for the production of substances like synthetic insulin or antibiotics.
According to a 2003 study undertaken by the International Diabetes Federation ( IDF ) on the access to and availability of insulin in its member countries, synthetic ' human ' insulin is considerably more expensive in most countries where both synthetic ' human ' and animal insulin are commercially available: e. g. within European countries the average price of synthetic ' human ' insulin was twice as high as the price of pork insulin.

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