Sentences with phrase «compounded by the reaction»

Not exact matches

Only recently has it been discovered that inorganic compounds in the manufacturing process can cause disease and death and the greatest explosive weapon ever devised by man is based upon the reaction of atoms which can not be seen by any conventional microscope.

The problem of diagnosis is compounded by the fact that it is difficult, to say the least, to pinpoint the exact food that may be causing the reaction without painstakingly monitoring the patient's diet.

Often compounded by allergic reaction to the black mold spores, these symptoms can include nausea, vomiting, and bleeding in the lungs and nose.

This paper aimed at detecting the presence, in some baby foods, of compounds derived from Maillard reactions, 5 - hydroxymethylfurfural (HMF) and total Maillard Reaction Products (MRPs), as well as at evaluating the hypothetical levels of HMF daily intake by infants and children fed with the tested products.

When the researchers added various alcohols, they found that the catalyst worked well, especially when helped by a common basic compound such as sodium hydroxide, which speeds the reaction by plucking hydrogens off the alcohol.

Using one of the many compounds produced in enantiomeric purity by their new reaction, the research team synthesized Cathinone, a natural stimulant.

LA's smog is caused by sunlight driving chemical reactions between oxygen, nitrogen compounds and hydrocarbons in the lower atmosphere.

Whereas molecular gastronomy uses scientific techniques to induce weird and wonderful chemical transformations in traditional ingredients, note - by - note cooking goes a step further: it uses chemical reactions to produce meals from chemical compounds and cooking alone.

The general reaction that links the two pieces together into one big molecule has been used before by other chemists working to synthesize bryostatin 1 and related compounds.

Researchers at Oregon State University have discovered novel compounds produced by certain types of chemical reactions — such as those found in vehicle exhaust or grilling meat — that are hundreds of times more mutagenic than their parent compounds which are known carcinogens.

The molecule is split into two parts by blue light, creating radicals, which initiate a chain reaction: molecular compounds, which are already present in the filling, assemble into polymers, and the material hardens.

This enables higher efficiency of multi-step reactions, prevents undesired interference, and confines toxic compounds that may be generated by the encapsulated reactions.

Rebecca Rapf, Veronica Vaida and colleagues at the University of Colorado propose that a class of compounds called α - keto acids can be photo - activated by sunlight and drive reactions with molecules that do not themselves absorb sunlight.

MTBE (methyl tertiary - butyl ether) is a chemical compound that is manufactured by the chemical reaction of methanol and isobutylene.

Compounded medications are meant to be an alternative when an individual does not have access to or has an adverse reaction to a medication approved by the U.S. Food & Drug Administration.

Ozone is produced by reactions involving nitrogen oxides (NOx), which come primarily from motor vehicle emissions, and volatile organic compounds resulting from industrial processes.

The chemists, led by Ian Henderson and Michael Ohlmeyer of Pharmacopeia, a company in Princeton, New Jersey, were able to prepare over 6000 different compounds using just a few simple reactions.

A 20 - year study by German scientists has found that the rate of increase of CFC - 12, a chlorofluorocarbon compound that spawns ozone - destroying reactions in the stratosphere, has slowed since 1990, although absolute levels are still rising.

Whether in the form of common table salt (sodium chloride) or more exotic compounds like potassium iodide, salt was found to allow chemical reactions by lowering the energetic barrier that otherwise prevents molecules from interacting at anything less than ultrahigh temperatures, Yakobson said.

While other species detected in space are formed by gas - phase chemistry alone, or by a combination of both gas and solid - phase generation, methanol is a complex organic compound which is formed solely in the ice phase via surface reactions on dust grains.

The coupling is basically a Suzuki coupling reaction (in which an organic compound carrying a boronate and another organic compound carrying a halogen are joined by a Pd catalyst, creating a new C - C single bond joining the two organic fragments and spitting out the boronate and the halogen).

In one of the latest examples, a team led by Kenichiro Itami of Nagoya University and Djamaladdin G. Musaev of Emory University has used a computational - experimental approach to create a predictive regioselective reaction for C — H imidation of aromatic compounds (Chem.

Certain particle compounds may directly generate ROS in vivo because of their surface chemistry (eg, metals, organic compounds, and semiquinones) or after bioactivation by cytochrome P450 systems (eg, polycyclic aromatic hydrocarbon conversion to quinones).6, 290 a, 290 b A particle surface or anions present on otherwise more inert particles may disrupt iron homeostasis in the lung and thereby also generate ROS via Fenton reactions.291 Other PM constituents may do so indirectly by the upregulation of endogenous cellular sources (eg, nicotinamide adenine dinucleotide phosphate [NADPH]-RRB- oxidase) 292,293 or by perturbing organelle function (eg, mitochondria) by taken - up PM components.261 Particle stimulation of irritant and afferent ANS fibers may also play a role in local and systemic oxidative stress formation.294 Given the rich antioxidant defenses in the lung fluid, secondarily generated oxidization products of endogenous molecules (eg, oxidized phospholipids, proteins) or a reduction in endogenous antioxidants per se may be responsible at least in part for the state of oxidative stress in the lungs (along with instigating the subsequent cellular responses) rather than ROS derived directly from PM and its constituents.

This may come as a reaction to a particular compound inside the blend, but it's much more likely to be caused by not diluting the supplement with enough water.

«When cell walls are broken by blending or chopping, a chemical reaction occurs that converts glucosinolates to isothiocyanates (ITCs)-- compounds with proven anti-cancer activities,» Dr Furhman writes for The Kind Life.

Locally grown food eaten in its natural raw state contains valuable compounds, such as enzymes, that jumpstart a number of biochemical reactions in your body and also contain biophotons, which are small units of light that are stored in and utilized by all biological organisms, including humans.

Antioxidants are compounds such as glutathione, N - acetyl cysteine, alpha lipoic acid, and vitamins C and E, which gather up free radical species generated by the biochemical reactions in our bodies.

But the truth is that these reactions to seemingly clean foods are explained by a natural set of plant compounds that for some, may be just as dangerous as sugar.

Also, «salt» refers to a group of ionic compounds — here's a definition: «any chemical compound formed from the reaction of an acid with a base, with all or part of the hydrogen of the acid replaced by a metal or other cation.»

The compounds in the Plantain work by neutralizing the urushiol oil (from poison ivy) that bonds to the proteins in the skin, causing the rash reaction.

We see a holistic compound run by a hippie yak (Tommy Chong), a tiny shrew of a mob boss (Maurice LaMarche) who is a funny tribute to Don Corleone from «The Godfather» and wolves who suffer from chain - reaction howling.

States of matter, properties of materials, atoms, elements and compounds, the periodic table, reactions of acids and alkalis and metals, displacement Includes lesson by lesson objective sheet

Never get frustrated or angry with your dog, this will only compound the problem by adding additional fear and anxiety to an existing, stressful reaction.

Here's how that works: After testing their urine, users add an enzyme, wait for their urine to hydrolyze (the «chemical reaction or process in which a chemical compound is broken down by reaction with water,» according to Wikipedia), and then add Magnesium Chloride, causing it to separate.

Brown carbon formation by aqueous - phase carbonyl compound reactions with amines and ammonium sulfate

The destruction of ozone by CFC compounds requires cold conditions because at these temperatures acidic gases (hydrochloric and sulphuric acid) condense to form ice crystals and surface chemistry reactions with CFCs occur liberating the ozone destroying halogen radicals.

The reaction of methane with OH radicals is the first step in a series of reactions which eventually leads to compounds that are readily removed from the atmosphere by precipitation or uptake at the surface.

In all cases where active building of compounds, from the basic constituents, are carried out in volume, there is a residual ionic charge carried out of the reaction area by electromagnetic conduction.

Ozone is an odorless gas that is not directly emitted into the air but is created by chemical reactions between nitrogen oxides (NOx) and volatile organic compounds (VOC)-- which occur naturally but are also produced from the burning of fossil fuels and are released in the process of drilling for oil and natural gas.

As enjoyable as it is to consider the Newtonian implications of iterative and compounding actions and reactions to the chain of events triggered in Monroe's hypothetical «what ifs», exceedingly few of the justice «what ifs» or proposals offered above will result in decimation of judicial precincts or dystopian futures where justice is brutally dispensed by dolphin - guided drones.