Sentence examples for coloured dye from inspiring English sources

Updated at 11.53am GMT 11.21am GMT A woman shows her hand stained by coloured dye during Holi celebrations near the Bankey Bihari temple in Vrindavan, India.

Unless special phase-contrast microscopes are used, bacteria have to be stained with a coloured dye so that they will stand out from their background.

The method uses a highly coloured dye as the dispersing solute flowing in a translucent porous bed made up of glass beads.

Condensed tannins (proanthocyanidins) are oligomers or polymers of flavan-3-ol (catechin) monomers [1] which form green-black coloured dye complexes on combination with iron III) ions [3, 4].

The obtained products are transformed to furfuric derivatives, which when reacting with 3-phenyl phenol form a coloured dye, which is measured at 530 nm.

The oxidase enzyme in the kit converts lactate to pyruvic acid and hydrogen peroxide, which results in oxidative conversion of chromogen to produce a coloured dye with absorption maximum at 540 nm, the amount of which is directly proportional to the amount of lactate in the sample.

Plants can synthesise useful coloured dyes and pigments such as the anthocyanins responsible for the red colour of red wine, yellow weld and blue woad used together to produce Lincoln green, indoxyl, source of the blue dye indigo traditionally used to dye denim and the artist's pigments gamboge and rose madder.

The three strips were developed separately and printed, after which the prints were passed through their appropriate coloured dyes; when laminated together, they produced a reasonably faithful approximation of natural colour.

Researchers from the University of Turin have also investigated the potential of the Maya Blue method for generating environmental-resistant pigments from different coloured dyes.

Indeed, Aβ deposition is a hallmark of AD, and detection methods have evolved from coloured dyes to modern 18F-labelled positron emission tomography (PET) tracers.

Indeed the PABI and the PPC molecules possess an aromatic core consisting of 18-π electrons, which emphasise the stability and the electrochromic properties of this family of intensely coloured dyes.