Sentences with phrase «activated by light»

Through sculptures that are activated by light and shadow, Noble and Webster imbue their works with eerie messages of mortality, sex, violence, mythology, hybridity and transformation, oftentimes from a self - portraiture standpoint.

A tried - and - true method developed in 1871, silver gelatin (or gelatin silver) printing is an example of «latent» printing, in which an image is activated by light, but is not revealed until submerged in a developer solution.

Christina Iglesias» alabaster ledges inscribe the walls and are activated by light from above.

Activated by light, these sculptures resonate in form and spatiality both inner and outer.

The uniformly white surface of White Painting [three panel] is meant to be activated by light and shadow.

It seems likely that any mechanism by which such targeting could occur would require that type I muscle fibers are linked to low threshold motor units (which are activated by light loads) and that type II muscle fibers are linked to the high threshold motor units (which are activated by heavy loads).

The researchers further decoded how blue light makes T cells move more by tracing the molecular pathway activated by the light.

On September 2005, Edward Boyden, Karl Deisseroth et al. published a study in Nature Neuroscience in which they describe how neurons expressing the light - sensitive microbial protein Channelrhodopsin - 2 can be activated by light pulses in a very temporally precise manner.

Similar to Ts1, neurons treated with these antibody - coupled nanoparticles were activated by light even after continuous washing.

These cells stimulated freezing behavior when artificially activated by light, but did not fire during natural memory recall.

Neurons treated with Ts1 - coupled nanoparticles in culture were readily activated by light.

The key to these makeovers are special pigment - containing cells called chromatophores, which, when activated by light, can spread their pigments out or bunch them up to change the skin's overall color or pattern.

The technique involves injecting antibodies into tissue infected with the bacteria together with molecules called photosensitisers, which are harmless until they are activated by light.

cMPOA Neurons Activated by Light Stimulation: A confocal fluorescent photomicrograph of a section of the cMPOA.

When activated by light, these nanoscale motors twist the polymer chains in the gel, which as a result contracts by several centimeters.

The researchers then inject a chemical photoswitch into the eye, «basically, a glutamate dangling on a light - sensitive string,» says Isacoff, «which anchors to the modified receptor and stuffs the glutamate into its docking site on the receptor when activated by light.»

The second congregate is made up of two parts: YFP, a marker protein that fluoresces yellow under light and CRY2, an optogenetically enhanced protein activated by light that attracts protein CIB1 as well as other CRY2.

Also, the nanoparticle is activated by light, so it can be turned on and off simply by exposing it to the correct color of visible light.»

While the prototype uses heat - sensitive sensors, it could employ smart materials activated by light or other cues, he said.

A team of researchers from the US and Korea, are developing a medical implant that is activated by light.

Not exact matches

When placed at the site of a cancerous tumour in a rodent and «activated» by a scope with a light source, the compounds eradicated up to 100 % of cancer cells.

E. Event is transformed — The activating event is reevaluated in light of a rational and valid idea — «I don't have to be approved by everyone in order to have a sense of my basic worth.»

The lights and sounds are activated by jumping, so she will be rewarded for using her motor skills and have fun while growing.

The first mode is Musical Fun Mode, where there are lot of toy stations, overhead toys, and baby can activate up to five different songs and lights by playing with different toys.

What makes most babies love this activity center is the piano keys under their feet that will activate music and lights by every step they make.

A fun seat and toys at 5 locations on the platform have interaction baby all the method around and an electronic toy at the front has motion, music, and lights that may be activated by baby spinning a drum.

The equipment has star shaped electronic toy lights and classic melodies to which are activated by the baby's motion.

Add on the toy bar which has ocean sounds, dancing lights, and sweet music which is activated by your baby's touch, and your little one will be in heaven.

The music and light electronic toy can either be activated by parents or baby.

This bouncer chair is made of cotton and has lights that can be activated by your baby.

Indeed, neurons of the sensory cortex were rendered photosensitive to this light, allowing them to be activated by a series of optical flashes and thus integrate the artificial sensory feedback signal.

A phytochrome is a sort of light - activated switch: when irradiated with red light, it changes its conformation so that it is primed to detect far - red light, and when irradiated by far red it changes back to the form that is sensitive to red light.

By studying the same process in cultured cells, the scientists found that the light stimulated a molecular chain reaction that activated a normally dormant protein called TGF - beta 1.

If certain areas of the brain that process visual information are activated — by a blow to the head, for example — tiny stars of light appear.

Unlike other polymer - based antimicrobial coatings that rely on a spritz of water to release bug - killing particles, the new material is activated by overhead lighting (SN: 2/3/07, p. 75).

When G - CSF activates its receptor, it ultimately activates proteins called STATs; the team engineered the cells to churn out the light - generating protein luciferase, which would be turned on by the STAT molecules.

The red and light blue regions in the upper lobes represent areas activated by the deep neural network.

The protein works like a kind of switch: the bright red light of sunlight activates phytochrome B, while it is inactivated by far - red light which is abundant in canopy shade.

A research group at Boston's Massachusetts General Hospital, led by Tayyaba Hasan, has used nanocells and photodynamic therapy (light - activated chemicals) to target pancreatic cancer.

The GS - DProSw molecule in its inactive form (blue) can be activated by visible light (red) and «switched off» again by UV light.

This elastic hydrogel is formed by using a light - activated polypeptide.

As a result, the GS - DProSw molecule can be switched between two states with the help of light: The agent can be administered in the inactive state and is activated at the desired location by specific irradiation with light.

Photodynamic therapy (PDT), involves the use of chemicals called photosensitizers that are activated by exposure to specific wavelengths of light to release reactive molecules that can damage nearby cells.

If this ion channel is applied to nerve cells, the channels can be opened by light, thus activating the cell.

Discovered by Peter Hegemann in green algae, channelrhodopsin - 2 is the central light - activated channel protein in optogenetics.

This is the most efficient so - called «optogenetic switch» activated by red and far - red light that has been successfully designed and tested in animal cells — and it doesn't require the addition of sensing molecules from outside the cells.

Using near - infrared light, researchers have shown they can selectively activate an immune response by controlling the flow of calcium ions into the cell.

«By integrating a light - activated molecule into the traditional picture of latent heat, we add a new kind of control knob for properties such as melting, solidification, and supercooling,» says Grossman, who is the Morton and Claire Goulder and Family Professor in Environmental Systems as well as professor of materials science and engineering.

By keeping the light flash brief and the light extra dim, the scientists ensured that just some molecules activate.

Led by Tayyaba Hasan, PhD, of the Wellman Center, the investigators first confirmed in laboratory experiments that exposing PMILs to near - infrared light both activated the antitumor action of BPD and, by disrupting the lipid membrane envelope, released the XL184 - containing nanoparticles.