Sentences with phrase «types of chemicals found»

Not exact matches

And third, the chemical structure of vitamin B12 found on some mushrooms, while based on the corrin - type ring structure that is characteristic of vitamin B12, can have important differences from the form of B12 that provides us with full vitamin benefits.

Nitrates are chemicals found in certain foods and it is linked to causing abnormal types of anemia in babies.

The key is to find a specially made organic cottton that will keep out dust mites and other allergens, without the use of chemicals and synthetics that are used on other types of hypoallergenic mattress covers.

Then the researchers doused dengue - spreading mosquitoes with a chemical that shuts down the mosquitoes» ability to detect CO2 by blocking a receptor called neuron — cpA, a type of sensory cell found on a small pair of antennalike structures near the mouth called the maxillary palps.

In the journal Biomaterials, the team reports culturing cells to make extracellular matrix (ECM) of two types and five different alignments with the strength found in natural tissue and without using any artificial chemicals that could make it incompatible to implant.

It is emerging that the chemical structure of RNA molecules is extensively modified by specific enzymes normally present in our cells, which are commonly found to be altered in severe medical syndromes and various types of cancers.

In a major breakthrough several years ago, two research groups, the Zuker group at Columbia and the Bachmanov group at the Monell Center for Chemical Senses, each got around this problem by finding drugs that could temporarily block a certain type of sodium channel in mice's mouths.

When they tested chemicals from the type of cypress tree that was used to construct the building they found that some are so repellant that rodents will not gnaw anything coated with them (Journal of Chemical Ecology», vol 21, p 263).

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.

Linda Buck of the Fred Hutchinson Cancer Research Center and Richard Axel of Columbia University, both winners of the 2004 Nobel Prize in Physiology or Medicine, have found that the human nose contains about 1,000 different types of olfactory neurons, each type able to detect a particular set of chemicals.

Howard Hughes Medical Institute (HHMI) scientists have profiled key features of the genetic material inside three types of brain cells and found vast differences in the patterns of chemical modifications that affect how the genes in each type of neuron are regulated.

The findings relate to a type of cell connection that allows electrical and chemical messages to flow from nerve to muscle cells, enabling motion.

A 2015 study found this chemical is good at forming the stable, flexible structures needed to build a type of cell membrane.

However, the types of organic compounds found in plant matter — dominated by aromatic hydrocarbons — underwent some chemical changes, but remained relatively resistant to impact pressures.

They then examined the effect of a chemical that inhibits SRF and found that glucose uptake rates increased in both mice and human cells — and that the effects were greater in cells from patients who were insulin resistant or had type 2 diabetes.

In mice, Adams found one type of bone cell produces important chemicals that boost the number of blood - producing stem cells.

When these types of stars are found in binaries, the two members often display differing chemical compositions.

A new study shows chemical steps for how pyrene, a type of hydrocarbon found in some meteorite samples, could form in space.

Theis» results, published in 2013 in the Proceedings of the National Academy of Sciences, showed that the microbes found in the paste were highly correlated to the type of chemicals present.

Recently, some other cytokines (such as tumor necrosis factor) or chemical drugs were also found to up - regulate several IFN - inducible gene family members (including RIG - G) through production of type I IFNs (37, 38), further indicating that the induction of RIG - G by ATRA in NB4 cells was tightly related with an IFNα autocrine pathway.

A gene in your DNA codes for an enzyme (type of protein that speeds up a chemical reaction) that allows you to break down a specific amino acid called phenylalanine found in milk.

This is basically tweaking the molecules: making small chemical changes to the compound in hopes of finding something that could block the growth of blood vessel cells initially in the culture dish without having toxic effects on other cell types.

However, the types of organic compounds found in plant matter — dominated by aromatic hydrocarbons - underwent some chemical changes, but remained relatively resistant to impact pressures.

The origin - of - life problem has been traditionally conceived as the chemical challenge to find the type of molecule and free - solution reaction dynamics that could have started Darwinian evolution.

Spectra can be used to find the distances to distant galaxies, and the properties (such as temperature and chemical composition) of different types of stars and galaxies.

Different types of plastic chemicals are found in various types of plastics.

Synephrine is a chemical compound found in certain types of citrus fruits (particularly the bitter variety).

«Researchers found that a unique strain of skin bacteria produces a chemical that kills several types of cancer cells,» Dr. Bowe says.

Among the various types of hormones in the human body, we find chemicals that influence metabolism, libido, digestion, brain functions, glucose uptake, stress, fertility, and -LSB-...]

Chemicals in these particular types of leafy green vegetables trigger a powerful immune boosting activity in cell surface proteins (AhR proteins) found on the surface of white blood cells, otherwise known as lymphocytes.

Well, I wanted to talk about cortisol a little bit, too, because stress is a huge part that can contribute to leaky gut and, you know, if you go back far enough in a — in a client's history and you find that they did start doing like a CrossFit exercise or they had a significant job change or they went through a divorce or something like that, some type of huge stressor whether it's emotional, chemical, physical, they seem to derail themselves.

Trends in the use of infant formula over the last century have tracked an increase in allergic reactions, diabetes type 1 and type 2, and other chronic diseases among those children fed infant formula.1 Commercial formulas contain GM (genetically modified) ingredients and synthetically derived nutrients; they lack vitally necessary cholesterol but include mostly polyunsaturated fats which could include trans fats, toxic by - products as a result of heating and chemical additions, and many other substances not found in breast milk.

Scientists are still looking into why this is, but one promising line of research has found that some people have high levels of a certain type of intestinal bacteria that interacts with chemicals in soy to produce an estrogen - like compound called equol.

A study of 20 people with type 2 diabetes found that eating 37 grams of chia seeds per day for 12 weeks reduced blood pressure and levels of several inflammatory chemicals, including C - reactive protein (CRP)(22).

Finally, we have the specific type of chemical most notoriously found in personal care products — parabens.

Polyphenols, a type of plant - based chemical found in foods ranging from vegetables to chocolate, help neutralize the harmful substances known as free radicals and are thought to protect against heart disease and other health problems.

Chemical preservatives found in various types of inferior rawhide may be dangerous to your dog.

A follow - up study examining chemicals in the air of the breathing zone of ski wax technicians found that fluorotelomer alcohols (FTOH)- which are a type of PFC that degrade and form PFOA - were 800 times the levels of airborne PFOA.

In other words, they fail the most basic type of test imaginable; and in the words of Li et al., this finding suggests that «global climate models should better integrate the biological, chemical, and physical components of the earth system.»

1 Executive Summary 2 Scope of the Report 3 The Case for Hydrogen 3.1 The Drive for Clean Energy 3.2 The Uniqueness of Hydrogen 3.3 Hydrogen's Safety Record 4 Hydrogen Fuel Cells 4.1 Proton Exchange Membrane Fuel Cell 4.2 Fuel Cells and Batteries 4.3 Fuel Cell Systems Durability 4.4 Fuel Cell Vehicles 5 Hydrogen Fueling Infrastructure 5.1 Hydrogen Station Hardware 5.2 Hydrogen Compression and Storage 5.3 Hydrogen Fueling 5.4 Hydrogen Station Capacity 6 Hydrogen Fueling Station Types 6.1 Retail vs. Non-Retail Stations 6.1.1 Retail Hydrogen Stations 6.1.2 Non-Retail Hydrogen Stations 6.2 Mobile Hydrogen Stations 6.2.1 Honda's Smart Hydrogen Station 6.2.2 Nel Hydrogen's RotoLyzer 6.2.3 Others 7 Hydrogen Fueling Protocols 7.1 SAE J2601 7.2 Related Standards 7.3 Fueling Protocols vs. Vehicle Charging 7.4 SAE J2601 vs. SAE J1772 7.5 Ionic Compression 8 Hydrogen Station Rollout Strategy 8.1 Traditional Approaches 8.2 Current Approach 8.3 Factors Impacting Rollouts 8.4 Production and Distribution Scenarios 8.5 Reliability Issues 9 Sources of Hydrogen 9.1 Fossil Fuels 9.2 Renewable Sources 10 Methods of Hydrogen Production 10.1 Production from Non-Renewable Sources 10.1.1 Steam Reforming of Natural Gas 10.1.2 Coal Gasification 10.2 Production from Renewable Sources 10.2.1 Electrolysis 10.2.2 Biomass Gasification 11 Hydrogen Production Scenarios 11.1 Centralized Hydrogen Production 11.2 On - Site Hydrogen Production 11.2.1 On - site Electrolysis 11.2.2 On - Site Steam Methane Reforming 12 Hydrogen Delivery 12.1 Hydrogen Tube Trailers 12.2 Tanker Trucks 12.3 Pipeline Delivery 12.4 Railcars and Barges 13 Hydrogen Stations Cost Factors 13.1 Capital Expenditures 13.2 Operating Expenditures 14 Hydrogen Station Deployments 14.1 Asia - Pacific 14.1.1 Japan 14.1.2 Korea 14.1.3 China 14.1.4 Rest of Asia - Pacific 14.2 Europe, Middle East & Africa (EMEA) 14.2.1 Germany 14.2.2 The U.K. 14.2.3 Nordic Region 14.2.4 Rest of EMEA 14.3 Americas 14.3.1 U.S. West Coast 14.3.2 U.S. East Coast 14.3.3 Canada 14.3.4 Latin America 15 Selected Vendors 15.1 Air Liquide 15.2 Air Products and Chemicals, Inc. 15.3 Ballard Power Systems 15.4 FirstElement Fuel Inc. 15.5 FuelCell Energy, Inc. 15.6 Hydrogenics Corporation 15.7 The Linde Group 15.8 Nel Hydrogen 15.9 Nuvera Fuel Cells 15.10 Praxair 15.11 Proton OnSite / SunHydro 15.11.1 Proton Onsite 15.11.2 SunHydro 16 Market Forecasts 16.1 Overview 16.2 Global Hydrogen Station Market 16.2.1 Hydrogen Station Deployments 16.2.2 Hydrogen Stations Capacity 16.2.3 Hydrogen Station Costs 16.3 Asia - Pacific Hydrogen Station Market 16.3.1 Hydrogen Station Deployments 16.3.2 Hydrogen Stations Capacity 16.3.3 Hydrogen Station Costs 16.4 Europe, Middle East and Africa 16.4.1 Hydrogen Station Deployments 16.4.2 Hydrogen Station Capacity 16.4.3 Hydrogen Station Costs 16.5 Americas 16.5.1 Hydrogen Station Deployments 16.5.2 Hydrogen Station Capacity 16.5.3 Hydrogen Station Costs 17 Conclusions 17.1 Hydrogen as a Fuel 17.2 Rollout of Fuel Cell Vehicles 17.3 Hydrogen Station Deployments 17.4 Funding Requirements 17.5 Customer Experience 17.6 Other Findings