Sentences with word «toxicological»

Indeed, new data coming out of its lab at the National Center for Toxicological Research in Jefferson, Ark., indicates that dietary exposure to BPA in infants was one - tenth of previous estimates.

In January 2014 the European Food Safety Authority (EFSA) released an updated draft opinion on BPA following an exposure assessment and review of toxicological studies on the safety of BPA.

Verner is a professor at Université de Montréal's School of Public Health and specializes in toxicological risk assessment.

To assess these trends researchers at Columbia University's Mailman School of Public Health examined toxicological testing data from the National Highway Traffic Safety Administration's Fatality Analysis Reporting System and found that of 23,591 drivers who were killed within one hour of a crash, 39.7 % tested positive for alcohol and 24.8 % for other drugs.

At the same time, as the authors emphasize, little is known as yet about the potential toxicological effects of many emerging trace elements.

Priority LIst of Hazardous Substances That Will Be the Subject of Toxicological Profiles.

«We have limited toxicological data for a lot of these compounds.»

She modeled hemp building materials within hempcrete and biofiber hemp blocks, assessing the materials» carbon footprint, resource depletion and toxicological impact.

Hopes for a clearer picture are now riding on toxicological analyses on Western hostages.

In 2011, the Journal of Toxicological Sciences found that chlorella supplementation in mice helped regulate mercury levels after 21 days versus a control group.

The goal is to group nanomaterials on the basis of specific properties and to allocate the corresponding toxicological properties to these groups.

Replacement alternative methods include the use of data concerning the physicochemical properties of chemicals; predictions based on structure - activity relationships, including the use of qualitative and quantitative mathematical models; the biokinetic modelling of physiological, pharmacological, and toxicological processes; experiments on lower organisms not classed as?

«Toxicological cross-check: New flame retardants.»

It is a thorough review of old and recent scientific and medical literature on the medical and toxicological aspects of silver colloids.

The absence of cocaine metabolites was verified by toxicological urine tests.

Section 6517 (c)(1)(b)(ii) of OFPA provides an exemption for materials otherwise prohibited in organic agriculture to be used as inerts, so long as they are not classified by the EPA as «inerts of toxicological concern.»

The Director, Institute for Molecular Science and Biotechnology, University of Ilorin, Kwara State, Dr Ayokunle Afolabi - Toye, said a blood toxicological screening would yield some insight into an accurate diagnosis of the disease.

Furthermore, interactions between the environment and the epigenome may provide mechanistic insight into many toxicological phenomena that are not well - understood, such as non-genotoxic carcinogenesis, age - based windows of susceptibility, developmental reprogramming by early life exposures, and trans - generational exposure effects.

The AOP framework has been developed through an extensive international collaboration between scientists, regulators and policy - makers with the primary goal of making mechanistic toxicological knowledge more readily available to support safety assessment decisions.

Reviews of Environmental Contamination and Toxicology attempts to provide concise, critical reviews of timely advances, philosophy and significant areas of accomplished or needed endeavor in the total field of xenobiotics, in any segment of the environment, as well as toxicological implications...

These pioneering scientists discovered effects for some widely used chemicals at concentrations thousands of times less than government «safe» levels of exposure derived through traditional toxicological tests.

Some companies are sticking with traditional toxicological approaches, while others, like Novartis, are actively exploring new directions.

Jinhui Feng, Carl E. Cerniglia, and Huizhong Chen, Toxicological Significance of Azo Dye Metabolism by Human Intestinal Microbiota,» Frontiers in Bioscience (Elite Edition) 1, no. 4 (2012): 568 — 86 ↑

The Center maintains a wide collection of reference materials and computer databases that help provide toxicological information for various species.

It is important to know the most common toxicological emergencies, and how to address them.

Pediatrician Dr. Herbert Needleman says «We are conducting a vast toxicological experiment in which our children and our children's children are the experimental subjects.»

«We are conducting a vast toxicological experiment in which our children and our children's children are the experimental subjects.»

Researchers at ICI's toxicological laboratories found when they screened a potential synthetic herbicide called NTBC that it affects the metabolism of the amino acid tyrosine.

Soames told the House of Commons that the best advice from the best toxicological scientists in Britain coincided with the government's attitude — and, he boomed, «we do not do anything unless the advice is both scientific and substantiated.

They may also be activated to assist with food safety concerns, zoonotic disease, terrorist events and toxicological problems.

A study from 2003, published in the journal Toxicological Sciences, indicated that a higher presence of endocrine disruptors during fetal development were more likely to lead to the weight gain of the babies when they reached adulthood.

New round of «Stop the toxic soybeans» call / Toxicological dossier on combinatorial effects of pesticides / Report on genetically engineered animals / New conflict of interest case at EFSA

For various reasons, all their projects were stopped at different stages, from the first toxicological studies to just before their submission to FDA.

To determine what level of a toxin is safe, researchers take a dose that has no observed toxicological effect in an animal and divide it by 10 once (to account for the differences between species) and then again (to account for variations among humans» ability to handle toxins); for pesticides, the dose is then divided by 10 a third time (to allow for the extraordinary sensitivity of babies and children).

And it may have that power at astonishingly low exposure levels, amounts that by typical toxicological measures look just fine.

«Of course, the long - term exposure to these levels of PCBs could lead to adverse effects to human health; however, a detailed toxicological study is needed in order to determine the effects.»

Although not all the details on the complex toxicological mechanisms are known, it is known that the nanoparticles use a «Trojan horse» mechanism to trick the membrane's defences and get inside the cell.

«The results of earlier toxicological and experimental studies have shown that these short exposures to very high concentrations of pollutants can have a disproportionately high impact on health» explains Mar Álvarez - Pedrerol, ISGlobal researcher and first author of the study.

This study is based on data from six U.S. states that routinely performed toxicological testing on drivers involved in fatal car crashes — California, Hawaii, Illinois, New Hampshire, Rhode Island, and West Virginia.

Perry's group is planning toxicological studies of oil and dispersant on larvae starting later this month.

This same disconnection was being played out in Europe where governments also continued to use outdated toxicological dogma.

Several of the tools are specifically designed to generate more knowledge about the harmful effects of chemicals, since toxicological data on chemical contaminants is generally deficient.

The results, published in the journal Food Chemistry, confirm that the average consumer's exposure to these toxins is low and that they carry no associated toxicological risk.

The scientists call for further toxicological and demographic studies on other southern species.

This is the first time that toxicological measurements have been combined with a population study carried out over such a long period in the Antarctic and Subantarctic.