Hair Colorists change the color of their clients» hair
using reactive chemicals.
Not exact matches
The synthetic materials, dyes and
chemical gels
used for absorbency in disposable diapers can be
reactive with sensitive skin, increasing the chance of diaper rash.
Greenpeace reports that in three cases bromine was present in more than one percent of the total surface
chemical composition of the material tested, prompting the environmental organization to conclude that there was «continued widespread
use of either additive or
reactive brominated flame retardants.»
What industrial chemists did know was that by tinkering with a highly
reactive molecule called a phenol they were able to devise countless synthetic
chemicals for
use in new materials.
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.
«Some imaging studies
using mouse models of Alzheimer's disease had revealed the presence in these mice's brains of tiny, mysterious black dots that could signal the presence of iron, an element that shows up dark under MRI and, in certain
chemical forms, can be highly
reactive and inflammation - inducing,» Rutt said.
«
Chemical Analysis of Complex Organic Mixtures
Using Reactive Nanospray Desorption Electrospray Ionization Mass Spectrometry.»
«Because nano - DESI already meets this trio of requirements in passive mode, the
reactive mode is another valuable tool in understanding the complex
chemical world around us,» said Dr. Alexander Laskin, an EMSL scientist who conducted numerous experiments
using the
reactive nano - DESI approach.
«Periodic» is often
used to describe systems that have two
reactive (where the response is out of phase with the forcing) components; inductor and capacitor in electronics, mass and spring in mechanical clocks,
chemical bond and atomic mass in greenhouse gases, gas density and compressibility in sound.
This workshop looks at the issue of diagnosis in adoption and foster care, including the
use and misuse of labels (such as bipolar and
reactive attachment disorder), and the need to understand how influences interact (such as developmental delays, identity issues,
chemical exposure) and to determine, in each individual case, which factors are salient and which are not.