Sentences with phrase «of synthetic compounds»

We are biologically homogenising the biosphere, overharvesting certain species and functional guilds, altering a range of biogeochemical cycles, fragmenting vast landscapes down to local ecological communities, and saturating the planet's surface in a number of synthetic compounds: the slash and burn approach to global habitat management.
A group of synthetic compounds commonly added to beauty and body products, parabens (butyl -, ethyl -, methyl -, and propyl --RRB- are know to induce allergic reactions, hormone disruption, and developmental and reproductive toxicity.
The valve consists of a channel protein, the mechanosensitive channel of large conductance (MscL) from Escherichia coli, modified by attachment of synthetic compounds that undergo light - induced charge separation to reversibly open and close a 3 - nanometer pore.
«The presence of synthetic compounds such as glycol ethers... and the assortment of other organic components is explained as the result of direct mixing of hydraulic fracturing fluids with ground water in the Pavillion gas field,» the draft report states.
He holds up a green shoot growing on a transparent substrate that has been treated with a high concentration of a synthetic compound made in Blackwell's lab.
Director Luc Besson returns to his European action roots in Lucy, a lightweight but wholly entertaining actioner with Scarlett Johansson in the lead as a woman whose inadvertent ingestion of a synthetic compound unlocks the full capacity of her mind.

Not exact matches

This synthetic power of transforming small «building stones» into the complicated compounds specific for each organism is the «secret of life» or rather one of the secrets of life.6
Yeah... as the population grows and we continue to make more synthetic products and compounds that take a millenia to break down, if ever... of course, you must be right, man and what we how we are contributing to the Earth in that sense has -0 - effect.
The process of synthesis by which azoic elements have reached their present multiplicity and complexity is an evolution, the same process entirely as the biologist traces in the order of living things, and the synthetic chemical compound embodies in itself a complex relativity capable of being expressed in most exact laws, which reflect the evolutionary emergence of its substance as much as do the organs of an animal explained in terms of evolutionary development.
A synthetic family of surfactants, this group of compounds is used to neutralize acids in products to make them non-irritating.
Therefore, having these compounds in you child's diet is recommended and, as you can imagine, formula manufacturers have used these studies promote the benefits of using synthetic DHA and ARA to boost infant brain development.
Thankfully, there a lots of options that are free of parabens, aluminum, and other synthetic compounds which can hurt baby and mom.
It is created, like most of these synthetic cannabis drugs, by spraying chemical compounds onto herbs.
Opiates, of course, are natural or synthetic substances that bind to opiate receptors in the brain, and are chemically similar to alkaloid compounds derived from Papaver somniferum, or the opium poppy.
Oneida County Executive Anthony J. Picente, Jr. today announced that he has asked the Oneida County Board of Legislators to adopt a countywide local law banning the synthetic drugs that are used in chemical compounds referred to as «bath salts.»
The state has added compounds to the list of illegal substances in the past, only to see the makers of the synthetic drugs stay ahead of the law by slightly changing formulas when one compound is made illegal.
Like Westchester, New York state, under Gov. Andrew Cuomo, a Democrat, has also attempted to stem the tide of synthetic weed, enacting multiple laws to ban compounds on the state level in 2012 and 2015.
HAPPY TREE Doctors use synthetic versions of a compound derived from a rare tree — Camptotheca acuminata, used for centuries in traditional Chinese medicine — to treat cancer.
There are more than 30 kinds of anabolic - androgenic steroids — the infamous» roids used and abused to promote muscle growth — but they are all synthetic compounds mimicking testosterone's chemical structure.
A variety of synthetic and natural compounds can accomplish this.
A synthetic drug — modeled after the alkaloid cytisine from the small flowering Laburnum trees of Europe chemically combined with a compound from the poppy plant — it also curbed drinking in seven rats with continuous access to alcohol and 30 rats trained to self - administer liquor when stressed.
The new DIY substances range from a vast inventory of performance - enhancing drugs consumed by gym rats looking to get big, to an ever - growing selection of psychoactive compounds sampled by club - hopping teenagers, to synthetic variations of hard - core narcotics wolfed down by desperate drug addicts.
Intrigued, Vezzosi tried out the recipes and ended up with a compound resembling Bakelite, one of the first synthetic polymers, which was widely used in the early 1900s.
A number of non-structural screening attempts have been made to identify natural and synthetic compounds that might prevent the aggregation and toxicity of amyloid fibrils.
The discovery of more than 100 cannabis compounds called cannabinoids over the past several years — along with the identification of an innate cannabinoid system in the human brain and the generation of many synthetic cannabinoids in the laboratory — has led to unprecedented insights, they said.
As we created more synthetic chemicals, we exposed ourselves to a wider range of compounds, each of which could potentially cause damage and trigger an allergic reaction.
The compounds are synthetic versions of naturally occurring insecticides called pyrethrins harvested from chrysanthemum flowers.
When the team exposed workers to a synthetic version of these scent compounds, the workers» ovaries didn't develop, even though no queen was nearby (Science, doi.org/q26).
The new study shows that the synthetic compound is capable of inhibiting the activities of several DNA - processing enzymes, including the «integrase» used by the Human Immunodeficiency Virus (HIV) to insert its genome into that of its host cell.
The use of novel psychoactive substances — synthetic compounds with stimulant or hallucinogenic effects — is on the rise.
In this latest research, Mohan and his colleagues present new findings that detail the use of a synthetic, plant - derived compound — abbreviated CDDO — that was shown to effectively suppress the multiple steps of lupus development in murine models, including the onset of kidney disease.
The U.S. Drug Enforcement Administration has listed several of synthetic marijuana's main compounds as Schedule 1 substances, making them illegal.
Researchers at Osaka University overcame these limitations with fluorescent SM analogs by joining several fluorescent chemical compounds (fluorophores) that were highly hydrophilic to the hydrophobic lipid part (mainly acyl chains) of the synthetic molecule.
«This proof that we can make a compound that so many people thought couldn't be made opens up a world of new possibilities,» said Professor Sherburn, a synthetic chemist in the ANU Research School of Chemistry.
They also say they are concerned about the antibiotic resistance marker gene that the wheat contains, and assert that the researchers «are openly releasing a synthetic version of a compound that... has had no long - term health safety tests whatsoever for human consumption, or for its impacts on non-target species.»
Two synthetic cannabinoids — compounds that act on specific receptors in the brain — have been approved for medical use in the U.S., both of which mimic a form of THC (tetrahydrocannabinol), the compound responsible for the «high» of recreational cannabis use.
Androgen is the generic term for any natural or synthetic compound, usually a steroid hormone, that stimulates or controls the development and maintenance of masculine characteristics in vertebrates by binding to androgen receptors.
Confronted with these findings, scientists began to wonder whether small quantities of synthetic chemical compounds found in our food and water — and in everyday products like makeup, plastics, and bug spray — could be sabotaging human fertility, undermining our immune systems, or affecting prenatal development.
Medicines derived from plants were widely used as remedies in Brazil until the end of World War II, when these were progressively replaced by synthetic compounds.
A combination of genetic modification and synthetic drug development was used to create the new compound, which so far has only been developed in laboratory, not commercial quantities.
The compound — part of a class of plant molecules known as neolignans — is about 30 times as potent as l - menthol and almost as potent as icilin, a synthetic cooling agent.
Seeking to exploit this weakness and develop a new class of antifungals, an international group of researchers screened a synthetic drug library for compounds that target the synthesis of fungal but not mammalian GlcCer.
A few weeks later, John Dueber, a synthetic biologist at the University of California, Berkeley, and colleagues announced yeast that carries out most of the first half of the pathway, going from glucose to another intermediate compound, S - reticuline.
In one group of mice, he and his colleagues dosed their mothers with a synthetic compound that simulates a mild viral infection during late pregnancy; when their offspring hit early puberty at about 6 weeks of age, the young mice were exposed to unpredictable stress, such as being restrained, deprived of water, or given electric foot shocks.
That concern is one reason the research team, led by Christina Smolke, a synthetic biologist at Stanford University in Palo Alto, California, stopped short of making a yeast strain with the complete morphine pathway; medicinal drug makers also primarily use thebaine to make new compounds.
Synthetic biologists had previously engineered yeast to produce artemisinin, an antimalarial compound, but that required inserting just a handful of plant genes.
In March, John Connor, a virologist at the Boston University School of Medicine, and his team identified a synthetic compound that appears to shut down replication in Ebola and other members of the nonsegmented, negative strand (NNS) RNA virus family.
In 2002 he learned of the dire need for synthetic artemisinin, a compound derived from the sweet wormwood plant, which is 90 percent effective against the parasite that causes malaria and has few side effects (malaria kills some 3 million people a year).
Scientists from the Florida campus of The Scripps Research Institute (TSRI) have successfully tested a potent synthetic compound that prevents type 1 diabetes in animal models of the disease.
Solt notes that the study strongly suggests that Th17 cells have a pathological role in the development of type 1 diabetes and use of ROR - specific synthetic compounds targeting this cell type may have potential as a preventative therapy for type 1 diabetes.
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