Graphene Flagship researchers show how graphene oxide suspended in water biodegrades in a reaction catalysed by a human enzyme, with the effectiveness of the breakdown dependent on the colloidal stability of the suspension. ...
Nanomaterials
Jun 2, 2015
1
82
Neutrophils, a type of white blood cell, are the immune system's all-terrain vehicles. The cells are recruited to fight infections or injury in any tissue or organ in the body despite differences in the cellular and biochemical ...
Biochemistry
Dec 19, 2014
0
0
In recent years, researchers have hotly pursued immunotherapy, a promising form of treatment that relies on harnessing and training the body's own immune system to better fight cancer and infection. Now, results of a study ...
Bio & Medicine
Jul 15, 2015
0
129
Sugars make up about 95% of honey, explaining how the substance became synonymous with sweetness and a food staple of bee colonies, which repeatedly digest and regurgitate flower nectar to produce it.
Biotechnology
Apr 1, 2021
1
3761
Researchers at U of T Engineering have developed a new way of growing realistic human tissues outside the body. Their "person-on-a-chip" technology, called AngioChip, is a powerful platform for discovering and testing new ...
Materials Science
Mar 7, 2016
0
1609
Humans share over 90% of their DNA with their primate cousins. The expression or activity patterns of genes differ across species in ways that help explain each species' distinct biology and behavior.
Biotechnology
Nov 6, 2012
0
0
Protease inhibitors are a class of antiviral drugs that are commonly used to treat HIV, the virus that causes AIDS. Scientists at the University of Nebraska Medical Center designed a new delivery system for these drugs that, ...
Bio & Medicine
Oct 19, 2015
2
106
(Phys.org)—By cloaking nanoparticles in the membranes of white blood cells, scientists at The Methodist Hospital Research Institute may have found a way to prevent the body from recognizing and destroying them before they ...
Bio & Medicine
Jan 31, 2013
0
0
Researchers have long theorized that cultural shifts thousands of years ago from hunting and gathering to agriculture and living in permanent settlements spurred an increase in diseases like smallpox and measles. Compared ...
Evolution
Aug 13, 2019
9
600
As one wise pundit recently observed, "everybody is a virologist now." For the many people whose interest in biology formerly began and ended with "the mitochondria is the powerhouse of the cell," a second axiom can now be ...
