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1(of a surface or substance) changing physically or chemically when exposed to light.
- ‘Those genes included one for a light-sensitive plant protein called a phytochrome, which changes shape upon absorbing certain wavelengths of red light.’
- ‘A light-sensitive magnetic encoder is integrated into the motor, extending the overall length by 2.4 mm.’
- ‘Those pioneer photographers thought that photography, through the interaction of sunlight on light-sensitive silver salts, might capture the Platonic essence of things.’
- ‘This uses laser light and a light-sensitive drug to destroy cancer cells.’
- ‘Place the cutouts atop your enlarging paper, on the front or emulsion side (the light-sensitive side).’
- ‘When they hit a light-sensitive semiconductor, they transfer their energy to its electrons.’
- ‘Later, the squiggles were etched on light-sensitive paper that could be developed like a photograph.’
- ‘These are all processes that involve exposing light-sensitive paper, then processing the paper in chemicals.’
- ‘To orchestrate the reaction, the researchers direct a flow of the reactants continuously over a silica gel impregnated with a light-sensitive catalyst.’
- ‘To make the light-sensitive paper, a photographer mixes the emulsion for his platinum prints, then places it on art paper.’
- ‘His photograms have reproduced water droplets, birds in flight, moving light and even a trail of snakes moving across light-sensitive paper, dusted with talcum powder.’
- ‘This layer may be thick or thin, depending on the species, but it often contains light-sensitive chemicals.’
- ‘Photography, by virtue of its ability to capture an instant on light-sensitive paper is one that lends itself to a diversity of issues, some ethical, some aesthetic.’
- ‘Microchips are made by shining light through a ‘mask’ to project a circuit pattern onto light-sensitive chemicals on the surface of a wafer of silicon.’
- ‘The plates have a light-sensitive plastic layer which, after exposure to a positive film, can be developed in water.’
- ‘Images are exposed directly onto light-sensitive paper through a tiny lens the size of a pinprick.’
- ‘The image of a woman crouching before an ivy-covered wall, her body an apparition of light-sensitive salts, is anchored to a new body.’
- ‘First, an ointment containing light-sensitive substances is rubbed on the skin, and after a while a lamp is directed towards the area.’
- ‘She made 10 differently shaped plywood objects, each meant to represent a stage in her life, then painted them with a light-sensitive coating and printed the photographs directly onto the wood surface.’
- ‘Once the roll is finished, the film is developed - it is exposed to other chemicals, which react with the light-sensitive grains.’
- 1.1Biology (of a cell, organ, or tissue) able to detect the presence or intensity of light.
- ‘Both these morphological changes reduce the angle through which the individual light-sensitive cells receive light.’
- ‘A common cause of declining vision in old age is macular degeneration - wearing out of the light-sensitive cells at the back of the eye.’
- ‘The retina is the light-sensitive layer of tissue that lines the inside of the eye and sends visual messages through the optic nerve to the brain.’
- ‘Doctors in India have transplanted light-sensitive cells from the eyes of 14-19 week-old healthy aborted foetuses into the eyes of blind adults suffering from Retinitis Pigmentosa.’
- ‘However, prolonged gazing at bright sources of light such as the sun can result in a loss of visual acuity through photochemical damage to the light-sensitive receptor cells in the retina.’
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