Sentences with phrase «how small chemical»

Not exact matches

Recent Projects: research on how to design an incinerator to avoid chemical reactions (two and a half hours, $ 100); history of a bill on child custody; helping a small company build a corporate library.

The USDA BANS synthetic chemicals in natural flavors, no matter how small an amount of the natural flavors are used.

Biologists now know that the genome sequence holds only a small part of the answer, and that key elements of development and disease are controlled by the epigenome — a set of chemical modifications, not encoded in DNA, that orchestrate how and when genes are expressed.

A multicenter team of researchers reports that a full genomic analysis of tumor samples from a small number of people who died of pancreatic cancer suggests that chemical changes to DNA that do not affect the DNA sequence itself yet control how it operates confer survival advantages on subsets of pancreatic cancer cells.

Researchers have yet to determine how damaging those chemicals are in the small amounts produced.

Now plant biologists and immunologists at York have joined forces to examine a very closely related family of these small molecules (flavonoids) to establish how tiny changes to their chemical structures affect their bio-activity.

Among the issues these committees were asked to look into this year were the possible dangers of whale watching, the effects of chemical pollution on whales, how the IWC might protect dolphins, porpoises and other small cetaceans, and whether subsistence whaling by indigenous peoples should be subject to scientific management.

New research at Rockefeller University, published March 18 in Nature, reveals how cells sort out the loops meant to encode small RNAs, known as microRNAs, by tagging them with a chemical group.

Researchers have for the first time shown how the world's smallest moving machines generate the motion needed to transport their chemical cargo throughout cells.

I enjoyed so much to start thinking in the capability of small things to make a notable difference in biological systems, such as how the properties of the cell membranes are influenced by its chemical composition, and how the food chain is mainly supported by the photosynthesis reaction of plants and algae, which ultimately lead us to survive.

As a postdoc at Alnylam, he's been looking at how chemical modifications on a class of RNAs called small interfering RNAs can make them better drugs.

Consulting the colorful compasses and graphs of the WeatherNet Classroom Web site, which track data captured by equipment mounted on the school's rooftop, the class puzzled over how best to survive a chemical spill on a nearby highway or the fallout of a small - scale atomic explosion in downtown Washington, located just 25 miles south of this quiet suburban community.

It was a minor matter to get a friend of a friend, who was a stewardess, to use her free hours before her flight took off again from Beef Island to take a cab to the dive shop and pick up a small quantity of the ground herb concoction, which chemical analysis later revealed to be powdered rhino horn (one could well wonder how they got that in Tortola), mixed with something called dried Annie flower, to which was added a generous pinch — as Lowell suspected — of simple ginger.

In Stress and Pheromonatherapy in Small Animal Clinical Behaviour, Daniel S. Mills, Maya Braem Dube, and Helen Zulch, write about the effect of stress on animals and how to use chemical signals to ease stress.

[Its easy to explain to adults (and small children) how energetics of a reaction may favor one chemical result over another, but its more fun to lead them into the deep forest to show them how flora, fauna and the planet are woven together.]

Just like in Percy Schmeiser's and other similar cases, where genetically modified seeds couldn't be prevented from drifting onto non-GMO farms, pesticides and other chemicals do not stay on farms where they're sprayed, no matter how large or small.