Sentences with phrase «lived chemical compounds»

That act, to be followed by several hundred thousand similar scoops between now and 2015 if all goes as planned, ended a decadeslong struggle (nice timeline at this link) over what to do with the long - lived chemical compounds.

Extremely long - lived chemical compounds find their way to the stratosphere, even where the OH shield is intact.

But that hasn't stopped researchers from combining them with other elements to make short - lived chemical compounds.

Not exact matches

Just because someone said some magic words over water does not mean it somehow changed the water... it is still just water... a simple chemical compound with amazing characteristics... one of the reasons it was incorporated into your relgion is because it was realized that water is a key to life... not divinity.

Organic chemistry, or «the study of carbon based compounds», explains how life is simply a seires of chemical reactions.

All of these scientific hypotheses boil down to first there was an planetary mass covered with water and providing the correct conditions for chemical reactions to create a simple organic compound from which life was formed.

And chemical compounds can not be considered as a living things, because in realty, all chemical compounds (e.g enzymes, fats, lipids, proteins,....

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.

The new drug - like compounds discovered by Vogel and her co-authors offer hope that using a computer - generated P - gp model, explained here http://bit.ly/1LVmR7a, developed to accurately mimic the physical, chemical and biological functions of the protein in the human body, will speed up the drug discovery process and work in real life as well.

But it's one more clue that chemical compounds used by life on Earth are also here on Mars.

Turning over rocks across the crater, the rover has compiled evidence of ancient water — a lake fed by rivers once occupied the crater itself — and organic compounds and other chemicals essential for life.

But before life arose, nitrogen fixation must have occurred via purely chemical means: That's because amino acids and nucleic acids, which both contain nitrogen, were likely the organic compounds that developed into Earth's first lifeforms.

The moviemaker's expedition to the Mariana Trench could usher in a new type of undersea lab that extracts chemical compounds from microorganisms living in the deepest parts of the sea

Scientists believe that life on Earth emerged from carbon compounds and other simple chemicals.

Given the potential for living systems to produce highly complex chemical compounds, researchers working with Michelle C.Y. Chang at the University of California, Berkeley (USA), aimed to manipulate the biosynthetic machinery in cells to use simple fluorinated building blocks to make new organofluorine target molecules.

«From studies such as these,» Blake says, «we are learning that the pivotal chemical compounds needed to seed early worlds with the volatiles required for life are universal.»

Hydrocarbons are regarded as building blocks of life, combining the elements carbon and hydrogen to give rise to millions of different chemical compounds.

But the data were inconclusive regarding the most intriguing chemicals: complex organic compounds, which are considered a necessary component of life.

For example, creative problem - solving AI could someday make snap decisions that save the lives of the passengers in a self - driving car if its sensors fail, or propose unconventional combinations of chemical compounds that lead to new drugs for previously untreatable diseases.

Real - life pheromones don't smell so nice, however: The specialized glands that produce these chemical compounds are located near the armpit, where they mix with sweat.

Since the Miller - Urey experiment, scientists have demonstrated the feasibility of other chemical pathways to amino acids and compounds necessary for life.

Director of the NSF - NASA Center for Chemical Evolution at the Georgia Institute of Technology, Hud says finding molecules in asteroids provides the strongest evidence that such compounds were present on the Earth before life formed.

They were looking for a site with a venting process that produces a lot of hydrogen because of the potential it holds for the chemical, or abiotic, creation of organic molecules like methane — possible precursors to the prebiotic compounds from which life on Earth emerged.

Instead of targeting specific compounds, they can highlight any toxic chemical or mixture that disrupts a key organ or life system.

Flourine - 18 has a half - life of about 110 minutes, which means its radioactive output is halved every 110 minutes, and the chemical processes incorporating it as a label must be designed to rapidly attach it to compounds of interest.

«Perfluorinated compounds found in African crocodiles, American alligators: Studies are first - of - their - kind examinations of PFAA levels in «sentinel» reptile species, especially useful for investigating impacts of long - lived chemicals in the environment.»

Moreover, chemical reactions in the outer disk may have transformed simple carbon compounds into more complex molecules essential to Earth - type life, such as amino acids (Lee et al, 2010; and David Shiga, New Scientist, January 19, 2010).

An alternative approach, most common for anti-infectives, is to use compounds («phenotypic inhibitors») which have already been shown to be active against the target organism in the living pathogenic cell as chemical leads for improvement by Medicinal Chemistry, towards systemically active Candidate Drugs.

I didn't groan at this idea unlike most other Star Wars fans — many of whom were outraged by the perceived reduction of the Force from a grand, almost magical power to a function of biology — because I'm a biologist who studies bioenergetics: How organisms convert various molecules (food) into chemical energy (adenosine triphosphate or ATP, a compound that enables energy transfer between cells) that can be used to power life.

«At Europa, abundant compounds like peroxide could help to satisfy the chemical energy requirement needed for life within the ocean, if the peroxide is mixed into the ocean,» said Hand.

protein One of many large and complex organic chemical compounds on which life depends.

Unfortunately, we live in a world where the food supply is often depleted of nutrients due to over-farming, the water is often contaminated with chemicals, and even the air can contain compounds that cause havoc in the body.

«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.

Your liver is very good at doing it with things it recognizes like toxins and byproducts that are just from everyday living, but all of the novel chemical compounds that humans create, well our bodies have no idea what they are.

Filed Under: Cleaning, Microbes & Mold, microbes and mold, Mold, Mold and Microbes, Natural Living, Uncategorized, Unseen Reality Tagged With: bleach, chemical - free, childhood infections, chlorine, chlorine bleach, hydrogen, hydrogen peroxide, hygiene hypothesis, mold, Natural Living, non-toxic, peroxide, surface mold, toxic, toxic mold, VOCs, volatile organic compounds

Jessie Szalay of Live Science explains that the health benefits from consuming grapes are directly from «phytonutrients or plant chemicals that contain disease - preventing compounds.»

It's often used to measure the molecular stability of chemical compounds in order to increase their normal shelf - life.

These are chemicals designed to kill living organisms — we want to minimize our pets» exposure to such compounds.

In fact, viruses are on the border between living and non-living; they require another organism to reproduce and thrive; otherwise they are little more than a chemical compound with the potential to alter the metabolism of their hosts.

About six feet wide in each direction, the piece is mostly made of protogen — a chemical compound that is to digital fabrication more or less what protoplasm is to the creation of living organisms.

The Paris - based artist's series of works with polythene (a chemical and organic compound used for everyday plastic packaging and containers) is set alongside the US - born Cruces» meshen image - objects and vacuum - sealed still lifes.

Chemical compounds that preserve fats and prevent them from becoming rancid, the thinking is not our health but shelf life.

Recalling the concern reflected in the outcome document of the United Nations Conference on Sustainable Development, entitled «The future we want», 1 that the health of oceans and marine biodiversity are negatively affected by marine pollution, including marine debris, especially plastic, persistent organic pollutants, heavy metals and nitrogen - based compounds, from numerous marine and land - based sources, and the commitment to take action to significantly reduce the incidence and impacts of such pollution on marine ecosystems, Noting the international action being taken to promote the sound management of chemicals throughout their life cycle and waste in ways that lead to the prevention and minimization of significant adverse effects on human health and the environment, Recalling the Manila Declaration on Furthering the Implementation of the Global Programme of Action for the Protection of the Marine Environment from Land - based Activities adopted by the Third Intergovernmental Review Meeting on the Implementation of the Global Programme of Action for the Protection of the Marine Environment from Land - based Activities, which highlighted the relevance of the Honolulu Strategy and the Honolulu Commitment and recommended the establishment of a global partnership on marine litter, Taking note of the decisions adopted by the eleventh Conference of the Parties to the Convention on Biological Diversity on addressing the impacts of marine debris on marine and coastal biodiversity, Recalling that the General Assembly declared 2014 the International Year of Small Island Developing States and that such States have identified waste management among their priorities for action, Noting with concern the serious impact which marine litter, including plastics stemming from land and sea - based sources, can have on the marine environment, marine ecosystem services, marine natural resources, fisheries, tourism and the economy, as well as the potential risks to human health; 1.

Hydrocarbons are regarded as building blocks of life, combining the elements carbon and hydrogen to give rise to millions of different chemical compounds.