Sentences with phrase «reactive compounds in»

Not exact matches

The machine effectively detected ninhydrin - reactive nitrogen, one of the telling compounds of decomposition, in both sites as the animals disintegrated over the next 20 weeks.

Volcanic plumes were ideal crucibles for sparking stable nitrogen to form reactive compounds that led to the first organic molecules, chemists report in the 15 August Geophysical Research Letters.

In this case, he was testing the idea that a buildup of cellular damage caused by oxidation — technically, the chemical removal of electrons from a molecule by highly reactive compounds, such as free radicals — is the main mechanism behind aging.

In medicine, they could also be used to encapsulate oxygen - sensitive active compounds and to reduce the inflammation caused by reactive oxygen species (ROS) in biomedical applicationIn medicine, they could also be used to encapsulate oxygen - sensitive active compounds and to reduce the inflammation caused by reactive oxygen species (ROS) in biomedical applicationin biomedical applications.

Air monitoring by researchers in 2000 found levels of volatile organic compounds — highly reactive ozone precursors such as benzene, known as VOCs — were 10 to 100 times higher than what had previously been estimated.

In this case, they form naturally as ozone — a high - energy oxygen molecule — reacts with carbon chains that have double bonds, forming a compound that has two reactive pairs of electrons.

Although gold nanoparticles are inert, the reactive compounds found in nano - pollutants in the air could have all sorts of harmful effects, Miller says.

Persistent hyperglycemia in diabetes mellitus results in an accumulation of a series of reactive α - dicarbonyl compounds (α - DCs, e.g. glyoxal / GO, methylglyoxal / MGO, 3 - deoxyglucosone / 3DG) and α - DC - derived metabolites, called advanced glycation end products (AGEs).

* p < 0.05, (B) Induction of reactive oxygen species (ROS) by HPP compounds in HepG2 cells.

In NHLF cells transfected with siRNA against Nrf2 and subsequently treated with either the thiol - reactive compounds CDDO - Me or HPP - 1014; or the non-reactive compounds CoPP or HPP - 4382, there was a marked reduction in HMOX1 expressioIn NHLF cells transfected with siRNA against Nrf2 and subsequently treated with either the thiol - reactive compounds CDDO - Me or HPP - 1014; or the non-reactive compounds CoPP or HPP - 4382, there was a marked reduction in HMOX1 expressioin HMOX1 expression.

Levels of ROS were measured in HepG2 cells following exposure to either HPP - 4382 or curcumin, a highly reactive electrophilic compound.

Thiol - reactive electrophilic compounds often increase ROS levels in cells, as a consequence of their ability to deplete glutathione.

Also well established is the fact that the glutathione antioxidant system is the most important system in our bodies (Meister, 1994) when it comes to the destruction of reactive oxygen compounds (very potent free radicals).

Both antioxidant compounds work reducing the proliferation of reactive oxygen species in cells, preventing mutations and dead due to oxidative stress.

In Phase 1 of detox, potentially toxic compounds are activated to make them more reactive.

Free radicals are highly reactive compounds produced in response to normal metabolic functions as well as in response to air pollutants, tobacco smoke, sunlight, damaged fats, noise, chemical exposure and other environmental stressors.

Several studies have suggested that isoflavones (estrogen - like compounds found in soy products) may help lower CRP (C Reactive Protein) and inflammation levels.

Also, a 2012 study published on the Medical Journal 3 Biotech shows that the anti-cancer compounds in mushrooms play a crucial role as a reactive oxygen species inducer, mitotic kinase inhibitor, antimitotic, angiogenesis inhibitor, topoisomerase inhibitor all leading to apoptosis (cell death) and eventually checking cancer cell proliferation (4).

It is used by veterinarians to measure two compounds in the dog's blood: the thymidine kinase (or TK) level, which indicates unusually rapid cell division; and levels of C - reactive protein (CRP), which indicates when inflammation is present.

Consequently, the most advanced climate models now require, in addition to concentrations or emissions of greenhouse gases (CO2, CH4, N2O and halocarbons), emissions of reactive gases and aerosol precursor compounds (SO2, NOx, VOC, BC, OC and NH3), to model atmospheric chemistry and interactions with the climate system.6 For most variables, a sectoral differentiation would improve the quality of the calculations (e.g. from power plants and agricultural burning).