News tagged with microscopic bacteria
Ulcer-causing bacteria baffled by mucus: Viscoelasticity impact on collective behavior of swimming microorganisms
Even the tiniest microscopic organisms make waves when they swim. In fact, dealing with these waves is a fact of life for the ulcer-causing bacteria H. pylori.
Jan 18, 2012 |
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Bacterial communication could affect Earth's climate
(PhysOrg.com) -- Woods Hole Oceanographic Institution (WHOI) scientists have discovered that bacterial communication could have a significant impact on the planet's climate.
Space & Earth / Earth Sciences
Oct 12, 2011 |
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All wrapped up: Researcher's graphene cloak protects bacteria
(PhysOrg.com) -- It's a cloak that surpasses all others: a microscopic carbon cloak made of graphene that could change the way bacteria and other cells are imaged.
Nanotechnology / Nanomaterials
Mar 15, 2011 |
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Artificial intestine helps fight bad gut bacteria
(PhysOrg.com) -- Cornell professor John March is attempting to transform bacteria in our gut into disease-fighting machines. Now, thanks to two members of his research team, he has a powerful new tool to help ...
Feb 24, 2011 |
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Plankton inspires creation of stealth armour for slow release microscopic drug vehicles
(PhysOrg.com) -- The ability of some forms of plankton and bacteria to build an extra natural layer of nanoparticle-like armour has inspired chemists at the University of Warwick to devise a startlingly simple ...
Nanotechnology / Bio & Medicine
Jan 28, 2011 |
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Bacterial life on and in humans orchestrates health and disease
A mounting tide of scientific evidence suggests that the old adage from Aesop's fables -- "You are known by the company you keep" -- also applies to the trillions of microscopic bacteria and viruses that live on the human ...
Dec 15, 2010 |
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A good week for fossil hunters
(PhysOrg.com) -- With the discovery of an extinct big-toothed sperm whale and possibly the earliest known examples of multicellular life, this week has been a good one for fossil hunters and experts, some ...
Other Sciences / Archaeology & Fossils
Jul 05, 2010 |
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Battle of the bugs leaves humans as collateral damage
It's a tragedy of war that innocent bystanders often get caught in the crossfire. But now scientists at the University of Pennsylvania and the University of Oxford have shown how a battle for survival at a ...
Jun 17, 2010 |
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Purple is the new green: Researcher examines light harvesting properties of purple bacteria
Purple bacteria were among the first life forms on Earth. They are single celled microscopic organisms that play a vital role in sustaining the tree of life. This tiny organism lives in aquatic environments ...
May 03, 2010 |
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Bacteria mix it up at the microscopic level
(PhysOrg.com) -- Many hands -- or many flagella -- make light work. In studies of the motion of tiny swimming bacteria, scientists at the U.S. Department of Energy's Argonne National Laboratory found that ...
Nov 02, 2009 |
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Death by light: Nanoparticles as agents for the photodynamic killing of antibiotic-resistant bacteria
(PhysOrg.com) -- The increasing antibiotic resistance of bacteria is a serious problem of our time. Hospital germs in particular have developed strains against which practically every current antibiotic is ineffective. In ...
Nanotechnology / Bio & Medicine
Oct 05, 2009 |
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Geobiologists propose that the earliest complex organisms fed by absorbing ocean buffet
Research at Virginia Tech has shown that the oldest complex life forms -- living in nutrient-rich oceans more than 540 million years ago - likely fed by osmosis.
Space & Earth / Earth Sciences
Aug 19, 2009 |
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Researchers turn cell phones into fluorescent microscopes
(PhysOrg.com) -- Researchers at the University of California, Berkeley, are proving that a camera phone can capture far more than photos of people or pets at play. They have now developed a cell phone microscope, ...
Jul 22, 2009 |
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'Genetic arms race' between bacteria, viruses subject of stimulus grant
The oceans teem with microscopic bacteria that produce much of Earth's oxygen as they absorb carbon dioxide greenhouse gas. But fast-mutating viruses also populate the seas, attacking marine bacteria in an ...
Jul 02, 2009 |
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New, light-driven nanomotor is simpler, more promising, scientists say
(PhysOrg.com) -- Sunflowers track the sun as it moves from east to west. But people usually have to convert sunlight into electricity or heat to put its power to use.
Nanotechnology / Bio & Medicine
Jun 04, 2009 |
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