Sentences with phrase «many types of chemical»

You just happen to be addicted to that one type of chemical reaction.
But, in the interests of consistency, we shall only invent new objects when we can not escape from doing so; usually, it is sufficient slightly to modify the description of our previous objects, e.g., when we modify the definition of the atom to accommodate it to new observations about radioactivity or atom - smashing, or new types of chemical combination.
You get a sense EcoLogic Solutions Inc. is a different type of chemical company the moment you walk into its Brooklyn Navy Yard headquarters and see walls made out of plants and furniture fashioned from old doors and reclaimed materials.
Going beyond flavor impact, our clean - label technological solutions can substitute for many types of chemical ingredients.
These types of chemicals have reportedly had health effects on humans, specifically in the fetal and infant states.
Early in pregnancy, it is really important to avoid any type of chemical exposure.
Just like any other type of chemical substance you ingest, it is possible for amoxicillin to pass into your breastmilk.
It means that your baby is not exposed to any type of chemicals or harmful materials that is common among disposable diapers.
Each enzyme has only one job, and it's specific to the type of chemical reaction that it produces.
There is also the «cocktail effect» that occur when different chemicals that might be safe to use for humans mix together with other types of chemicals and together they will make up a toxic mix that can be harmful for your health.
But researchers are concerned about two types of chemicals that may show up in the mattress.
You can only «hope that he is not really sensitive to this type of chemical,» said Fred vom Saal, a professor in the division of biological sciences at the University of Missouri at Columbia and an outspoken critic of BPA.
They are also committed to not using any type of chemical processing or preservatives.
A broad category encompassing almost every type of chemical obtained directly from the petroleum refining process.
Keep all medicines and any type of chemical safely locked, out of reach and in case of an emergency, seek immediate medical help.
In schizophrenia, excessive oxidation — which involves the same type of chemical reaction that causes metal to corrode into rust — is widely thought to cause inflammation and cellular damage.
When you need to clean it, it washes off with water instead of any type of chemical agent.
Therefore, it is essential that we learn how specific types of chemical modifications normally regulate RNA function in our cells, in order to understand how dysregulation of this process contributes to human disease, says Cristian Bellodi.
These four types of chemicals, the EPA said, raise «serious environmental or health concerns» and in some cases «may present an unreasonable risk of injury to health and the environment.»
It also has a similar structure to some other organic weak bases that have been used to catalyze the type of chemical reaction needed to form these gels — the formation of ester bonds to create a polyester.
«The interesting thing is that though there are two different types of chemical processes happening in a single material, they appear to be working synergistically, and are able to do that at a lower temperature.»
Studies of farm laborers who worked with the compound showed rates of certain cancers double to eight times the national average, but those exposures were intermittent and not exclusive, because workers handle many types of chemicals.
This work contributes to our understanding of the specific types of chemicals that influence our water resources,» he said, noting that he believes this broad method will one day become routine in monitoring.
However, burning also produces another type of chemical called polynuclear aromatic hydrocarbons (PAHs).
Energy In Depth, the communications and research arm of the Independent Petroleum Association of America, published a lengthy response to the Integrity Project's report and criticized it for including diesel use that occurred prior to a 2014 Environmental Protection Agency rule clarifying the types of chemicals considered «diesel fuels.»
The same effect that attracts your hair to a balloon when you rub it on your head pulled enough collagen onto eraser «crumbs» to yield results in a mass spectrometer, a machine that determines the type of chemicals in a sample.
Both are examples of «chemical gardens,» a type of chemical process and the name of an experiment common in chemistry sets that operates along the same principles and forms tubes of crystals that make plant - like shapes, Escribano said.
And their detailed understanding of the underlying reaction mechanism should enable the LMU researchers to apply this relatively simple way of controlling molecular motions to other types of chemical switches.
Researchers at Oregon State University have discovered novel compounds produced by certain types of chemical reactions — such as those found in vehicle exhaust or grilling meat — that are hundreds of times more mutagenic than their parent compounds which are known carcinogens.
There are two different types of chemical groups that comprise glass surfaces, he said: silanol (SiOH) groups that are generally hydrophilic (water - loving), or siloxane (SiOHSi) groups that are typically water - repellant.
However, the strength of the carbon - fluorine bond makes it difficult to remove and replace fluorine atoms in a molecule, greatly limiting the structures and types of chemicals that can be made.
The creation of triangulene demonstrates a new type of chemical synthesis, says Philip Moriarty, a nanoscientist who specializes in molecular manipulation at the University of Nottingham, UK.
This technique, published in the journal Nature, not only uses existing plant waste but consumes large amounts of CO2 and could be applied to other types of chemical manufacturing as well — a boon to our increasingly CO2 - saturated atmosphere.
Along with data from the few studies like Yokelson's, Wiedinmyer used guidelines for calculating trash burning emissions produced by the Intergovernmental Panel on Climate Change to determine how much waste was being generated and burned, what exactly was in that waste, and what types of chemicals were likely generated.
Two types of chemical are commonly used: urea and glycols.
Conventionally, one or more peptides fit into a receptor to release a single type of chemical messenger.
Changes in the types of chemicals that astronauts use on board a spacecraft can help make water retrieval more efficient.
To prioritize which of thousands of chemicals need toxicity testing, the agency's ToxCast program uses computational tools and high - throughput testing to identify a signature for the types of chemicals that might be dangerous.
«We don't know how it works, but it's obviously some type of chemical,» says David Hughes, a researcher at Harvard University.
«Frog neurons, like those in people and other animals, receive the same type of chemical inputs, but it's been a major challenge to understand how they work together to enable to enable the neurons to compute the length of a sound,» Rose says.
More information is also needed on the state of the oceans the animals live in and travel through, as well as the types of chemicals, temperature, and sounds they encounter.
Eschewing sole reliance on structural analysis, the team used two different types of chemical analyses: time - of - flight secondary ion mass spectrometry and infrared reflectance spectroscopy.
«There's little doubt that the mantle is composed of different types of chemical compounds, but this is not the dominant factor.
The chemical reactions she has developed are widely used throughout the pharmaceutical industry to create new drug candidates, are being studied by chemical companies interested in accessing important chemicals used in farming, and are being utilized to prepare a type of chemical (tracer) that allows doctors to view the heart's sympathetic nervous system through positron emission tomography (PET) scans.
For instance, the team uncovered a new type of chemical - sensing tuft cell (which helps alert the immune system to infection or other forms of injury) that displayed markers previously thought to be exclusive to immune cells and which may help sound the alarm about allergens and invading parasites.
For example, they might react with gooey residues or release specific types of chemicals.
Using the same technique, a few years later they succeeded in distinguishing different types of chemical bond between carbon atoms in a hydrocarbon molecule.
The samples ranged from a simple alcohol to a complex plant hormone, and the new method, dubbed «CAL» for covalent alignment (the molecules form a type of chemical bond known as a covalent bond in the MOFs), enables researchers to determine the complete structure of a molecule from a single MOF crystal that contains the sample molecules in its pores.
«The paper nicely shows that vaccination outcome is associated with the IL - 28B mutations and suggests that this happens because they influence the type of chemicals — called cytokines — that are released to orchestrate the immune response.
Several types of chemical modifications of the five major histone protein families give rise to a complex «histone code» that signals the transcriptional machinery to turn genes on or off.
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