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Aromatic in Medical News

Exposure to Common Pollutant in Womb Might Lower IQ

...child reaches the age of 5 years. This linkage builds on prior research, which has suggested that exposure to these pollutants, known as polycyclic aromatic hydrocarbons (PAHs), while still in the womb can provoke developmental changes that damage lung health and boost the risk for developing childhood ast...

Cancer Endangers Some Wildlife Species

...gh rate of intestinal cancer, which is their second-leading cause of death. It's believed that this cancer problem is due to high levels of polycyclic aromatic hydrocarbons (PAHs) in the waters where the whales live, the study said. PAHs are a known human carcinogen. In addition, virus-induced cancers can ...

Wildlife faces cancer threat

... have an extraordinarily high rate of intestinal cancer, which is their second leading cause of death. One type of pollutant in these waterspolycyclic aromatic hydrocarbons (or PAHs)is a well-known carcinogen in humans, and PAHs are suspected carcinogens for beluga whales as well. Fish in other industrialized...

UGA researchers achieve breakthrough in effort to develop tiny biological fuel cells

... UGA chemist Jason Locklin and graduate students Nicholas Marshall and Kyle Sontag grew polymer brushes, made up of chains of thiophene and benzene, aromatic molecules sometimes used as solvents, attached to metal surfaces as ultra-thin films. "The molecular wires are actually polymer chains that have b...

'Cannabis alters human DNA' -- new study

...abis smoke contains 400 compounds including 60 cannabinoids. However, because of its lower combustibility it contains 50% more carcinogenic polycyclic aromatic hydrocarbons including naphthalene, benzanthracene, and benzopyrene, than tobacco smoke." Writing in the journal Chemical Research in Toxicology ,...

Protect Yourself with Hand Washing Help from Bath & Body Works

...ing deep cleaning a pleasant experience. When you're on the go, you can stop into any Bath & Body Works location to wash your hands with an aromatic anti-bacterial soap -- no purchase necessary. Every store has its own sink to make cleansing a snap. When you're stuck somewhere without a sink, Bath ...

Avon Foundation Convened Breast Cancer Experts in Miami to Address Prevention Strategies at Annual Forum

...ormation on the role of environmental carcinogens in breast cancer as well as risk reduction strategies. Dr. Sonenshein studied exposure to polycyclic aromatic hydrocarbons (PAHs), which come from incomplete combustion of fossil fuels, polluted air or water, cigarette smoke and charcoal broiled foods. Her re...

Prenatal Exposure to Traffic Pollution May Lead to Asthma

.... They found evidence of a possible new biomarker -- an epigenetic alteration in the gene ACSL3 -- associated with prenatal exposure to polycyclic aromatic hydrocarbons (PAHs), which are created as byproducts of incomplete combustion of carbon-containing fuels such as gasoline. PAH levels are high in h...

USA Rice Federation Partners with National Council on Folic Acid to Promote National Folic Acid Awareness Week

...some 19 billion pounds annually of high-quality short, medium and long grain rice, as well as specialty rices including jasmine, basmati, arborio, red aromatic and black japonica, among others. For more rice recipes and information, visit www.usarice.com . For information on folic acid, visit www.f...

E. coli engineered to produce important class of antibiotic, anti-cancer drugs

...hesize a class of natural products known bacterial aromatic polyketides, which include important antibiotic an...e active ingredients in pharmaceuticals. Bacterial aromatic polyketides include the antibiotic tetracycline an...es and alkaloids, attempts to synthesize bacterial aromatic polyketides had previously been hindered by the co...
Aromatic in Medical Definition

Pathology

...vitaminosis A - Hypervitaminosis D v • d • e Metabolic pathology ( E70-90 , 270-279 ) Amino acid aromatic ( Phenylketonuria , Alkaptonuria , Ochronosis , Tyrosinemia , Albinism , Histidinemia ) - Branched chain ( Maple syrup urine disease , Pro...
Aromatic in Medical Dictionary

Incense

... Incense is composed of aromatic biotic materials. It releases fragrant smoke when ...ragrances. Incense is a material composed of aromatic organic materials that release ... The term inc...ragrances to Make Fresh Incense Which ... An aromatic substance which is obtained from certain resinous ...

Coal tar

... Coal tar is a brown or black liquid of high viscosity, which smells of naphthalene and aromatic hydrocarbons. Coal tar is among the by-products when coal is carbonized to make coke or gasified to make coal gas. Coal tars are complex a...

Camphor

... Camphor is a waxy, white or transparent solid with a strong, aromatic odor. It is a terpenoid with the chemical formula C10H16O. It is found in wood of the camphor laurel, a large evergreen tree found in Asia . It also...
Aromatic in Biological News

When children have breathing problems

...ques to draw accurate conclusions about the actual pollution of breathing air. We filtered out particulate matter of different grain sizes, polycyclic aromatic compounds, such as benzo(a)pyrene, that adhere to these particles, and volatile organic compounds, such as benzene and hexane. Secondly, we tested the...

Improved method developed to test carcinogen risk

...ed an "ultra-low" dose of dibenzo-a,l-pyrene, a chemical that can cause liver cancer and is part of a broad field of toxic compounds called polycyclic aromatic hydrocarbons, or PAHs. The study determined that a tolerable threshold for human exposure to this toxic chemical would be 500 to 1,500 times higher...

Trading energy for safety, bees extend legs to stay stable in wind

...s that fly at high speeds for tens of kilometers each day seeking food and other resources. Males of these species are especially motivated to collect aromatic scents in pouches on their oversized hind legs, which are then used in mating displays that attract females. Because male orchid bees are so strong...

Biomass as a source of raw materials

...y are among the primary fuels in the world's economy. Bio-oil contains a phenolic fraction consisting of compounds with the main framework being an aromatic ring made of six carbon atoms with some hydroxy (-OH) groups attached. With the new process, the phenolic components of bio-oil can be converted with ...

Camphor-containing products may cause seizures in children

...hor products. Camphora naturally occurring waxy substance with a strong, aromatic odoris found in many consumer products. Scientists have known for some tim...abeling are widely available and commonly used for medicinal, spiritual and aromatic purposes and for pest control, especially in the Hispanic community. The...

Microbes in mud flats clean up oil spill chemicals

...pleted by pollution and other processes leading to the breakdown of organic matter in the soil, the contamination will persist. While almost all known aromatic hydrocarbons (the petroleum breakdown products) are degraded with oxygen only a few can be completely broken down in the absence of oxygen. However, i...

Scripps scientists find structure of a protein that makes cancer cells resistant to chemotherapy

...-gp has many more such amino acids and a greater variety of them, including aromatic amino acids that are known to bind many different substances (substances ac... range of substrates," says Chang. "The presence of so many hydrophobic and aromatic residues explains how this happens." A Path to Better Drugs The new...

Soil and sediment contamination assessment more accurate

... The effects of Polycyclic aromatic Compounds (PACs) on terrestrial and benthic invertebrates are used to estimate the risks of soil and sediment contamination. Effects are assessed expo...

Case Western Reserve researchers looking at light-induced toxins in air and water

... that severe, but the air we breathe and water we drink may be more harmful than we realize. Toxic nitro-aromatic pollutants (or nitro-polycyclic aromatic hydrocarbons), both manmade and naturally occurring, continue to be emitted into the air and are present in food, water systems, soils and sediments,...

Neural mapping paints a haphazard picture of odor receptors

... CAMBRIDGE, Mass., Feb. 3, 2009 -- Despite the striking aromatic differences between coffee, peppermint, and pine, a new mapping of the nose's neural circuitry suggests a haphazard patchwork where the receptors for ...
Aromatic in Biological Technology

The Analysis of Polycyclic Aromatic Hydrocarbons (PAHs) by LC/MS/MS Using an Atmospheric Pressure Photoionization Source

The atmospheric pressure photoionization source, PhotoSpray ion source (Robb, Covey and Bruins1) uses photons to ionize large quantities of a dopant molecule added along with the vaporized mobile phase. Analyte molecules are efficiently ionize...

DFG establishes 14 new research training groups

...lecular electronics will be of assistance in this endeavour. Of particular interest are systems based on graphene, nanotubes made of carbon as well as aromatic molecules. (Host university: University of Regensburg; spokesperson: Professor Dr. Milena Grifoni) How can the interplay between electrical enginee...

Nanosoftball made of DNA

...The team synthesized the 20 computed trisoligonucleotides by means of a solid-phase synthesis. The three DNA strands were always attached by way of an aromatic six-membered carbon ring. When mixed in equal parts in a buffer solution, these building blocks do aggregate to form the expected product: regular dod...

String of fullerene pearls

...searchers found fragments containing up to 35 pearls under the atomic force microscope. When the pincer-like receptor grasps the fullerene, its flat aromatic rings spread over the equally flat ring systems on the fullerene surface. This results in special binding interactions between the electrons of these ...

The winners and losers of the internet break-up

... reason, the mystical ICANN Internet Corporation for Assigned Names and Numbers , with its mathematical theorizations, has periodically sprayed some aromatic ideas on how to expand its architecture to the global players. It did work for the first five years during the earlier dark ages of the Internet. Now ...

A new wide field-of-view confocal imaging system and its applications in drug discovery and pathology

...in brightfield microscopy, and fluorophores in fluorescence microscopy. The term "stain" refers to both dyes and fluorophores. 23 A dye is an organic aromatic molecule containing the requisite groups that provide visible color and permit molecular binding to a material. A fluorophore (fluorochrome) is a fluo...

Cyclodextrin enhances room temperature phosphorescence

...rs well-resolved spectra and subpicogram detection limits. When polynuclear aromatic hydrocarbons (PAHs) are included in cyclodextrin molecules in the presence ...lar geometry of the lumiphor.

Chromophores such as polynuclear aromatic hyrdocarbons (PAHs) exhibit virtually no phosphorescence in conventional fl...

Screening and classifying hazardous waste samples

...rk. The same holds true for other important classes of fluorescing hazardous chemicals, among them organochlorine pesticides, dioxins, and polynuclear aromatic molecules. back to top ...

Polymer Degradation Mechanisms Encountered in Pyrolysis-GC/MS

... monomer and very little else. Vinyl polymers like PVC and poly vinyl acetate first strip away the side group, making HCl or acetic acid, then produce aromatic compounds from the remaining backbone of the polymer. In all cases, these degradation products are reproducible and characteristic and may be used to ...

Benchmark Plus Microplate Reader: Quantitation of Protein Concentration Using Two Different Colorimetric Assay Kits, Rev A

...change of color of Coomassie Brilliant Blue G-250 dye with different protein concentrations, in which the dye binds to basic and aromatic amino acid residues. This assay is measured between 465 and 595 nm. Bio-Rads detergent compatible (DC) protein assay (catalog #5...
Aromatic in Biological Products

Tritirachium album Proteinase K from USB Corp.

Description:...pplications purified from the fungus T. album. It cleaves peptide bonds mainly following the carboxyl group of N-substituted hydrophobic aliphatic and aromatic amino acids (1) and is classified as a serine protease. Proteinase K is useful in purifying high molecular weight nucleic acids from cells and tissue...
Company:USB Corp.
Aromatic in Biological Definition

Amine

...roperties 3 Synthesis 4 Reactions 5 aromatic amines 6 See also Naming Lo...ary or secondary amines to form amides . aromatic amines aromatic amines are amines in which the nitrogen is connect...

Genetic code

...ne bases adenine ( A ) and guanine ( G ) are larger and consist of two aromatic rings . The pyrimidine bases cytosine ( C ) and thymine ( T ) are smaller and only consist of one aromatic ring. In RNA however, thymine ( T ) is substituted by uracil ( U ) and th...

Genetic code

...ne bases adenine ( A ) and guanine ( G ) are larger and consist of two aromatic rings . The pyrimidine bases cytosine ( C ) and thymine ( T ) are smaller and only consist of one aromatic ring. In RNA however, thymine ( T ) is substituted by uracil ( U ) and th...

Lipid

...ycolipids and terpenoids, such as retinoids and steroids . Some lipids are linear aliphatic molecules, while others have ring structures. Some are aromatic , while others are not. Some are flexible, while others are rigid. Most lipids have some polar character in addition to being largely nonpolar. Ge...

Origin of life

...example, from spectral analyses, organic molecules are known to be present in comets and meteorites. In 2004 , a team detected traces of polycyclic aromatic hydrocarbons ( PAH 's) in a nebula , the most complex molecule, to that date, found in space. It can be argued that the most crucial challenge unan...

Purine

...0 SMILES C1(NC=N2)=C2C=NC=N1 Purine is a heterocyclic aromatic organic compound , consisting of a pyrimidine ring fused to an imidazo...ines were part of a single chemical family. See also Simple aromatic rings ...

Pyrimidine

...5-2 SMILES C1=NC=NC=C1 Pyrimidine is a heterocyclic aromatic organic compound , which is similar to benzene and pyridine and that ...razine , an analog with the nitrogen atoms in positions 1 and 4. Simple aromatic rings ...

Secondary metabolite

...e following groups: alkaloids , terpenoids , polyketides , aliphatic , aromatic , and heteroaromatic organic acids , phenols , iridoids , steroids , s...n , present in Artemisia annua Chinese wormwood Class Aliphatic , aromatic and Heteroaromatic organic acids: Class Polyketides : ...
Aromatic in Biological Dictionary

Transesterification

...cation of both vegetable oils and ... After the transesterification reaction and the separation of ... TRANSESTERIFICATION OF METHYL ESTERS OF aromatic AND α,β-UNSATURATED ACIDS WITH ... 5 The majority of published transesterification methods involve the use of ... Komers' analysis of the reactio...

Suberin

...igin (in contrast to the primary origin of the epidermis ... Suberin and cutin are insoluble, lipophilic biopolymers. ... The presence of an aromatic suberin domain was supported by the nondegradative ... Suberin , along with wax, causes cork to be impenetrable to liquids as well as gases....

Pyrimidine

... Pyrimidine is a heterocyclic aromatic organic compound similar to benzene and pyridine...salvaged for ... Pyrimidine is a heterocyclic aromatic organic compound similar to benzene and ... Nucl...y abbreviations ... Pyrimidine is a heterocyclic aromatic organic compound, which is similar to ... ...

Purine

... Purine (1) is a heterocyclic aromatic organic compound, consisting of a pyrimidine ring fused to an imidazole r...Chief to add or edit content to WikiDoc. ... Purine (1) is a heterocyclic aromatic ... Main article: Purine metabolism ... Information about purine i...

Cytosine

... Cytosine is one of the four main bases found in DNA and RNA. It is a pyrimidine derivative, with a heterocyclic aromatic ring and two substituents attached . The nucleoside of cytosine is cytidine. In Watson-Crick base pairing, it forms three hydrogen bonds with......

AP endonuclease

... family AP endonucleases ... site might be recognized by the AP endonuclease (28,29) ... AP endonuclease through intercalation of the aromatic side ... In addition to its AP endonuclease activity, it exhibits other DNA repair ... In contrast, Nfo (an AP endonuclease ) generates 16 a...

Amine

... decreases the alkalinity of the amine , depending on its substituents. ... N-methylpiperidine is a cyclic tertiary amine . ... Main article: aromatic amine ... If the reacting amine is tertiary, a quaternary ammonium cation results in the ... Entry in the Material Safety Data Sheet HyperG...
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