News tagged with micropipette
Tension in axons is essential for synaptic signaling, researchers report
Every time a neuron sends a signal - to move a muscle or form a memory, for example - tiny membrane-bound compartments, called vesicles, dump neurotransmitters into the synapse between the cells. Researchers ...
Medicine & Health / Medical research
Jul 20, 2009 |
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Search results for micropipette
Finding cancer cells in blood: Chip-based method for the rapid, sensitive isolation of rare cells in blood
(PhysOrg.com) -- Even in the early stages of cancer, individual cancer cells can be found in the blood. Certain subsets of these circulating tumor cells can cause metastasis. In cases of breast cancer, it ...
Chemistry / Analytical Chemistry
Mar 02, 2012 |
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How plants sense touch, gravity and other physical forces
(PhysOrg.com) -- At the bottom of plants' ability to sense touch, gravity or a nearby trellis are mechanosensitive channels, pores through the cells' plasma membrane that are opened and closed by the deformation ...
Oct 21, 2011 |
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Study maps process used by T cells to discriminate pathogens from the body's own cells
Researchers have for the first time mapped the complex choreography used by the immune system's T cells to recognize pathogens while avoiding attacks on the body's own cells.
Jan 20, 2011 |
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Researchers create early disease detection and drug delivery device for single living cells
(PhysOrg.com) -- Actual nano-needles able to interrogate small cells without causing cellular damage have not become reality until now.
Nanotechnology / Bio & Medicine
Dec 14, 2010 |
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Small wires make big connections for microelectronics
University of Illinois engineers have developed a novel direct-writing method for manufacturing metal interconnects that could shrink integrated circuits and expand microelectronics.
Jul 15, 2010 |
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New study questions earlier conclusions about the kinetics of T cell receptors
T cell receptors are among the most important molecules in the immune system because of their role in recognizing the antigens that signal such threats as viruses and cancer. The receptors must also distinguish ...
Medicine & Health / Medical research
Mar 31, 2010 |
4 / 5 (1) |
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Duke technique is turning proteins into glass
Duke University researchers have devised a method to dry and preserve proteins in a glassified form that seems to retain the molecules' properties as workhorses of biology.
Mar 17, 2010 |
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Dividing cells 'feel' their way out of warp
Every moment, millions of a body's cells flawlessly divvy up their genes and pinch perfectly in half to form two identical progeny for the replenishment of tissues and organs -- even as they collide, get stuck, ...
Sep 10, 2009 |
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New technique allows scientists to penetrate yeast cells' hard exterior
(PhysOrg.com) -- If you want to know how a cell responds to a particular chemical, the experiment is simple: Inject it with that chemical. Micropipettes — tiny needles that can puncture a cell and deliver ...
Sep 03, 2009 |
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Light instead of current: Activation of neurons with light by means of semiconductor photoelectrodes
(PhysOrg.com) -- Understanding the mechanisms by which the brain functions is one of the most complex challenges in science. One important aspect is the electrical conduction of stimuli in nerve cells. In order to study neuronal ...
Feb 20, 2009 |
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List of search results for micropipette
