Sentences with phrase «of aromatic compounds»

Results indicate that when the ethanol content of the fuel increased, the emissions of gaseous organic compounds increased whereas the amount of aromatic compounds such as benzene and toluene decreased.

12:15 — 12:45 Marta Ferraroni (Uni Firenze) Structural studies on Ring - Cleaving Dioxygenases involved in the degradation of aromatic compounds

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.

«This molecular switching technology of an aromatic compound using an orthoquinone moiety is a new insight that appears to have been reported first by our research team.»

Not exact matches

And earlier this year, Lagunitas rolled out a limited run of Supercritical, an ale brewed with Cannabis terpenes, aromatic compounds of fragrant oils from the cannabis plant that give it distinctive flavors and aromatics.

``... The delectable chile con carne, a dish evolved by the genius of Mexico, composed of delicate meats minced with aromatic herbs and the poignant chile colorado — a compound full of singular savor and a fiery zest to the palate.»

Beer marinades are actually an effective way of reducing levels of polycyclic aromatic hydrocarbons (PAHs), a group of carcinogenic compounds that form on grilled meat when fats and juices interact with an open flame, finds a new study in the Journal of Agricultural and Food Chemistry.

Natural flavors include a variety of compounds obtained from the natural essence or extracts of plants to produce the characteristic flavor and aromatic sensation of the intended (and labeled) flavor.

Researchers working on the Ribeirão Preto campus of the University of São Paulo (USP) in Brazil have discovered that a bacterium found in the microbiota associated with leafcutter ant species Atta sexdens rubropilosa produces the so - called «trail pheromones,» i.e, the aromatic chemical compounds used by the ants to lay a trail to their nest.

Essential oils like those of lemon and orange, and concentrated aromatic compounds like vanilla, are to flavor what Klaxon sirens are to sound.

Overlooked aromatic compounds make huge contributions to tomato flavor, which suggests a new way to improve the taste of high - yield crops

Among the greatest concerns is that compounds in oil called polycyclic aromatic hydrocarbons (PAHs) could have long - term sublethal effects on marine organisms that were at the peak of their spawning season when the spill began.

After analyzing thousands of compounds in the samples, the researchers determined that the presence of small metabolites called aromatics, which vary depending on a person's diet, also contributed to variations in bacterial growth.

Oddly, however, scientists have a rough idea of what some alien molecules would smell like: many detected so far belong to a class of compounds called aromatics, which are derived from benzene (C6H6) and were originally named for their strong odors.

Because the process makes a blend of hydrocarbons, it does not lack the aromatic compounds that seal aircraft engines, like the biojet fuel produced from camelina oil by UOP.

The parent compounds involved in this research are polycyclic aromatic hydrocarbons, or PAHs, formed naturally as the result of almost any type of combustion, from a wood stove to an automobile engine, cigarette or a coal - fired power plant.

Triarylmethanes are a group of compounds that derive from methane (a molecule consisting of carbon with 4 hydrogen atoms attached to it) and consist of a carbon atom center with 3 aryl (aromatic ring) groups and a hydrogen atom.

Aromatherapy,, commonly associated with complementary and alternative medicine (CAM), is the use of volatile liquid plant materials, known as essential oils (EOs), and other aromatic compounds from plants to affect someone's mood or health.

«As a result of screening about 200 compounds, we found that (3 - furyl) diphenylmethane (chem7), which is a triarylmethane that contains 2 phenyl groups and a furyl (a 5 - membered aromatic ring containing 4 carbons and an oxygen atom in the ring) group, had strong inhibitory activity on plant cell division,» says Ueda.

He and his colleagues found that over the course of four months, 11,400 tons of particulate matter — including bitumen and cancer - causing polycyclic aromatic compounds — were deposited within 30 miles of oil sands upgrading facilities belonging to two of Canada's major oil sands development companies, Suncor and Syncrude.

Polycyclic aromatic hydrocarbons (PAHs) are a class of carcinogenic organic compounds that are ubiquitous in the environment.

As crude oil burns it releases many toxic chemicals, including lead, carbon monoxide, polycyclic aromatic hydrocarbons and volatile organic compounds, says Bin Jalaludin at the University of New South Wales in Australia.

However, the types of organic compounds found in plant matter — dominated by aromatic hydrocarbons — underwent some chemical changes, but remained relatively resistant to impact pressures.

The research group, led by molecular biologist Eran Pichersky of the University of Michigan, Ann Arbor, studied two model organisms that are easily manipulated in the laboratory: basil, which produces large amounts of eugenol, and the petunia flower, whose scent is caused by three aromatic compounds including isoeugenol.

The introduction of an aromatic in the mutant B9S54W also resulted in increased potency and breadth (Fig. 3) despite the lack of significant sequence homology between VRC01 - like antibodies and B9, A14 and B21 (compounded by the lack of a light chain which contributes to the VRC01 - Env interface).

Starting from compound 16, several derivatives, in which the D - Phe (4 - F) 1 moiety was replaced by various aromatic amino acids, while maintaining the same configuration of [D - Phe (4 - F) 1, L - Arg2] fragment, have been synthesized.

Furthermore, in order to improve both basic and aromatic characters of such derivatives, two analogues, in which the Arg2 of FC131 was replaced by an L / D - His residue, compounds 30 and 31 were prepared and turned out to be potent CXCR4 antagonists with IC50 values of 0.037 and 0.035 μM, respectively.

The latest study, which featured experiments at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), could help explain the presence of pyrene, which is a chemical compound known as a polycyclic aromatic hydrocarbon, and similar compounds in some meteorites.

The results suggested that the tertiary amine groups bind to D97 on TM2 and E32 in the amino terminus of CXCR4 through hydrogen bonds while aromatic residues Y45, W94, H113 and Y255 establish hydrophobic interactions with the aromatic counterpart of identified compounds.

Analyses of the sunlight reflected off the asteroid also show that organic compounds are widespread on the surface, he added, including polycyclic aromatic hydrocarbons, CH2 and CH3.

However, efficient transformation of lignin, an integral and problematic component of lignocellulose, into useful compounds is a major challenge, primarily because lignin is a randomized aromatic polymer that is resistant to decomposition.

Stormwater is effectively a toxic mixture that can include polycyclic aromatic hydrocarbons, many of which are carcinogenic, metals, suspended particles, and other organic compounds, most of which have yet to be identified.

However, the types of organic compounds found in plant matter — dominated by aromatic hydrocarbons - underwent some chemical changes, but remained relatively resistant to impact pressures.

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.

A Japanese study found that an aromatic compound in red raspberries was able to prevent and improve obesity in animal subjects; additional research on the effect is needed, but we know enough to conclude that a handful of fresh raspberries sounds like an excellent summer snack.

Contains aromatic compounds that increase the production of digestive fluids, relieve muscle spasms, increase blood circulation, reduce pains, promote sweating and are antiseptic.

A by - product of enfleurage and solvent extraction, absolutes are highly concentrated aromatic plant compounds that are widely used in the cosmetic and perfume industries as well as in the mental health field because of their uplifting aroma.

For starters, the Prestige spill — which was roughly one - tenth the size of the Deepwater Horizon spill — involved bunker oil, which contains different proportions of carcinogenic compounds (notably polycyclic aromatic hydrocarbons and benzene) than the crude oil spilled in the Gulf, according to Dr. Solomon.

There are two in vitro studies that suggest vanillin, one of the many aromatic compounds in vanilla, may be protective against colorectal and cervical cancer, but no clinical or epidemiological studies have been published to my knowledge.

There used to not be such a thing as indoors, maybe the cave was indoors, but now we have ability to hide ourselves from the outdoor environment which is good if there's a bad storm, but otherwise we wan na be out there where we're getting tons of negative ions out there when you're talking about being around water or sources of trees, you're gonna get exposed to these phytoncides, these aromatic compounds in nature.

Orange peel contains aromatic compound properties that are antiseptic, reduce muscles spasms and decrease the thickness while increasing the production of mucous fluid.

Just like certain foods that can help get you pumped up for and bounce back from a workout, some of these natural aromatic compounds offer pre - and post-exercise benefits.

Aside from it's aromatic flavor, vanilla contains compounds called vanilloids — potent anti-inflammatory and antioxidant polyphenols which can help alleviate many of our chronic inflammation - related problems and diseases (ie.

The most abundant phenolic compound present in cloves» essential oil is eugenol, which is not only responsible for the aromatic scent of the flower buds, but it is also the main active ingredient behind their antimicrobial, antifungal, and analgesic properties.

Ketones are major aromatic compounds in red raspberries, with a structure similar to the one of capsaicin and synephrine, compounds known for aiding weight loss.

Research has also indicated a link between the development of Type 2 diabetes and toxins, such as heavy metals, pesticides, plastic compounds including BPA, diesel exhaust, tobacco smoke, polycyclic aromatic hydrocarbons, hormones, radioactivity, viruses, bacteria and endocrine - disrupting chemicals.

Titled, «Aromatic - turmerone induces neural stem cell proliferation in vitro and in vivo,» German researchers evaluated the effects of this turmeric - derived compound on neural stem cells (NSCs)-- the subgroup of brain cells capable of continuous self - renewal required for brain repair.

• Craft Beer and More — At Big River Grille & Brewing Works, you get a fresh selection of craft ales and lagers made on site, gorgeous grilled steaks topped with aromatic compound butter, or hazelnut - crusted fried chicken in all its crispy glory.

A known carcinogen derived from burning coal, it is a complex mixture of hundreds of compounds, many of which are polycyclic aromatic hydrocarbons, meaning you breathe them in.

The allergy is an immune response to the saliva (or components of the saliva — including antigens, amino acids, aromatic compounds, polypeptides, and phosphorus) injected by fleas when they bite your cat or dog.