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(in'di-gō), [C.I. 73000]
A blue dyestuff obtained from Indigofera tinctoria, and other species of Indigofera (family Leguminosae); also made synthetically.
Synonym(s): indigo blue, indigotin
[L. indicum, fr. G. indikon, indigo, ntr. of Indikos, Indian]
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Additionally, an indigo dye exhibition will take place at Sanxia History Museum between Wednesday (July 17) and Aug.
Instead of a plant, "we engineered a common lab strain of Escherichia coli, a bacteria found in our gut, to be a chemical factory for the production of indigo dye," study co-author John Dueber of the University of California's bioengineering department told AFP.
"What surprises me is that the indigo dye process was discovered at all and developed independently so early in multiple parts of the world," Splitstoser says.
Thus, the IR spectrum of the microbial synthesized compound supports the identification of blue pigment as indigo dye.
grandis and indigo dye were prepared at wavelength of maximum absorption ([[lambda].sub.max]) 530 nm and 410 nm, corresponding to the absorption of reddish-brown and greenish-yellow (leucodye), respectively (Adetuyi and Jabar, 2011; Adetuyi et al., 2002).
The results in the Table 2 pointed out that the activated carbon used in the adsorption tests presented great efficiency in the removal of the Blue Indigo dye for the four masses analyzed of adsorbent.
Anti-slavery campaigner John Woolman (1720-72) refused to use the products of slavery, such as indigo dye, and so was often a vision in white, from his raw linen shirt to his white stockings and uncured leather shoes.
The company has recently transitioned to traditional indigo dye and hopes to make the switch to organic bamboo fabric for its second season.
As two of his lieutenants dragged the caught bachelor from the house, Nalako placed the noose round his neck and smeared his face with blue indigo dye before leading him out of the alley and round the city.
A yellow cabbage type plant we grow called woad was once used to obtain a form of indigo dye. Nowadays it is being grown widely again to supply blue ink for computer cartridges.
As a slave, her jobs include spreading and drying the indigo leaves in the hot sun and transporting stale slave urine (the urine was a key, but very stinky, ingredient in making the indigo dye).
Among them are walls as symbolic devices, facts and results based on skeletal remains, Qumran in the Second Temple period, and the production of indigo dye in the installations of Ain Feshka.