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Technology Research News
October 20, 2004
Eric Smalley
Wide laser makes simple tweezers Much of medical diagnostics and biomedical research involves trapping, manipulating and sorting individual cells and like-sized bits of matter. A recently demonstrated way of manipulating cells promises to be less expensive than laser tweezers. mark for My Articles similar articles
Technology Research News
March 12, 2003
Lasers tweeze every which way Researchers from the University of Glasgow in Scotland have found a way to use a pair of laser beams to rotate an object in three dimensions, turning it like a ball rather than a wheel. mark for My Articles similar articles
Chemistry World
October 31, 2012
Ian Le Guillou
A cell for a cell If you ever need to isolate a single bacterial cell, why not build it a prison cell? This is the approach that colleagues from Sandia National Laboratories, US, have taken. Using multi-photon lithography, they can construct four walls and a roof around a single cell in just over a minute. mark for My Articles similar articles
Technology Research News
March 26, 2003
Plastic coating makes chips biofriendly Electronics usually don't mix well with biological material. Sandia National Laboratories researchers have overcome the incompatibility with a microscopic laser designed to quickly measure and identify microorganisms and cell types without inhibiting biological processes. mark for My Articles similar articles
HHMI Bulletin
February 2011
Sarah C.P. Williams
Releasing the Brakes on Cell Fate Converting one cell type directly into another is a kind of modern-day alchemy, an ultimate goal in biological research. But unlike turning base metals into gold, changing a cell's identity is feasible, new research shows. mark for My Articles similar articles
HHMI Bulletin
May 2010
Sarah C.P. Williams
Young Again Niche cells can reverse the aging of stem cells. mark for My Articles similar articles
Chemistry World
June 13, 2011
Laura Howes
Cells turned into living lasers with fluorescent protein With a little help from a fluorescent protein, mammalian cells have been transformed into living lasers. This discovery could help improve imaging of living cells, enabling researchers to explore what's going on inside. mark for My Articles similar articles
Chemistry World
August 2, 2011
Kate McAlpine
Hacking into chemical cell phone calls US researchers have made a nanodevice that can eavesdrop on a cell's mutterings, and they say it could be adapted to listen in on conversations between cells. mark for My Articles similar articles
Reactive Reports
Issue 33
David Bradley
The Miniature Rotarians Tiny interlocking wheels are the components of a miniscule molecular rotor designed and built by UK chemists. The submicroscopic invention offers a new motor-like component for those hoping to build nanotechnology from the bottom up. mark for My Articles similar articles
HHMI Bulletin
May 2010
Sarah C.P. Williams
Lab-Grown Liver New cell culture system solves problem of growing liver cells. mark for My Articles similar articles
Technology Research News
December 29, 2004
Molecular Motor Goes Both Ways Researchers have constructed a molecular motor that can spin in either direction, much like the biological molecular motors involved in many of life's processes. The motor could eventually be used in nanotechnology applications. mark for My Articles similar articles
Chemistry World
November 1, 2010
Laura Howes
Molecular motors find reverse gear Ben Feringa's group at the University of Groningen in the Netherlands been working with molecular motors for years, making small organic molecules that rotate when exposed to light. However, until now these motors have only had a forward gear. mark for My Articles similar articles
Technology Research News
June 16, 2004
Laser Tweezer Grabs Varied Specks Researchers have advanced the use of optical tweezers with a method that allows them to simultaneously trap and independently manipulate microscopic materials that have different indices of refraction. mark for My Articles similar articles
Technology Research News
April 21, 2004
Eric Smalley
Molecule Makes Electric Motor Researchers have built molecules that can spin on command, but finding a way to harness this molecular motion to carry out work is more difficult. A molecule that has a limited range of motion opens up new possibilities. mark for My Articles similar articles
National Defense
November 2010
Eric Beidel
To Counter Bioterrorism, The Key is Boosting Immunity That's why Texas A&M University researchers are investigating ways to arm Americans against attacks involving toxins, viruses and bacteria. mark for My Articles similar articles
Chemistry World
October 23, 2011
David Bradley
Clicking Together Cultural Niches Researchers in the US have made three-dimensional hydrogels that are not only compatible with living cells but can be tuned to create specialist growing environments - culture niches - for studying cell function. mark for My Articles similar articles
HHMI Bulletin
Aug 2010
Sarah C.P. Williams
Fruit Fly Cells Don't All Know What Sex They Are HHMI scientists have now found that many cells in male and female fruit flies not only look the same, they are more identical at a molecular level than was previously thought. mark for My Articles similar articles
Chemistry World
February 28, 2013
Andy Extance
Chemical transport defines 'Goldilocks' cell size A US team has suggested molecular movement as an answer to the question of why cells are the size they are. A question that they say 'still awaits an answer from first principles'. mark for My Articles similar articles
Chemistry World
July 21, 2011
Elinor Richards
Cell Control to Change Cell Function US scientists can now control the reactions occurring inside cells. mark for My Articles similar articles
HHMI Bulletin
May 2010
Ivan Arnato
Light Moves Light is becoming the tool of choice for researchers who want to precisely manipulate neurons and other cells. mark for My Articles similar articles
Chemistry World
April 13, 2011
Kate McAlpine
Microrockets aim at cancer diagnostics Researchers at the University of California, San Diego, have made self-propelled microtube rockets that can find and capture cancer cells from blood samples. mark for My Articles similar articles
Chemistry World
April 2010
Column: The crucible We are getting better at manipulating cells to grow into the tissues we need. Chemical factors are key, says Philip Ball mark for My Articles similar articles
Chemistry World
October 10, 2012
Elinor Hughes
Batteries not included Enzyme-based biofuel cells have been plugged into lobsters and they generated enough power to run a digital watch. mark for My Articles similar articles
Chemistry World
May 5, 2011
Simon Hadlington
Revolutionary new single-cell labelling method Researchers in the US and Canada have combined mass spectrometry with a technique called flow cytometry to follow dozens of biochemical markers on individual cells simultaneously. mark for My Articles similar articles
Technology Research News
October 22, 2003
Embedded rotors mix fluids Researchers have found that it is possible to change the way fluid flows through arrays of tiny rotary motors embedded in a membrane. Minuscule motor arrays could eventually be used to sort, mix and transport molecules for medicine, biology and bioengineering applications. mark for My Articles similar articles
Technology Research News
September 24, 2003
Teamed lasers make smaller spots Researchers from Boston University have tapped the properties of polarization in order to focus a laser beam more tightly in space. The method could be used to scan objects in finer detail and to make finer features in processes like rapid prototyping and photolithography. mark for My Articles similar articles
Chemistry World
November 19, 2010
Philippa Ross
Rise of the micro machines Microjet engines called microbots that can transport cells within a fluid to any desired location have been developed by German scientists. mark for My Articles similar articles
Chemistry World
June 21, 2011
Manisha Lalloo
Making Smell-o-Vision a Reality Using a Polymer Matrix A polymeric matrix of cells, which can be opened and closed individually, could bring personal 'smell-o-vision' a step closer to reality. mark for My Articles similar articles
AskMen.com
Dave Golokhov
Men And Skin Cancer Men are three times more likely to develop skin cancer than women. While that's not breaking news, scientists have struggled to figure out the reason why men are more susceptible, and there appears to be a breakthrough. mark for My Articles similar articles
Chemistry World
January 13, 2010
Simon Hadlington
Click chemistry reveals sugar synthesis in live animals US researchers have used 'click chemistry' to attach chemical tags to complex sugar molecules in the cells of live mice, allowing the synthesis of the sugars - glycans - within the cells to be tracked. mark for My Articles similar articles
Chemistry World
June 27, 2010
Simon Hadlington
Nanoparticles allow remote control of cells In an experiment reminiscent of the mind-control rays that featured prominently in B-movies from the 1950s, scientists in the US have used a magnetic field to alter the behavior of an animal. mark for My Articles similar articles
Popular Mechanics
January 28, 2010
Cassie Rodenberg
Next-Gen Transplant Techniques Can Stop Organ Rejection About 77 organ transplants are performed each day in the U.S., and more than 101,000 people are on a wait list for body parts such as hearts, skin and veins, according to the Mayo Clinic. mark for My Articles similar articles
PC Magazine
January 18, 2006
Sebastian Rupley
Print Me a Heart Valve The National Science Foundation has awarded $5 million to a team developing a system that takes cells from a patient with a damaged organ or heart valve and uses those cells to "print" a replacement organ. mark for My Articles similar articles
Chemistry World
August 19, 2009
Phillip Broadwith
Antioxidants could promote cancer Some tumor cells can actually use antioxidants to protect themselves from natural cellular defense mechanisms, enabling them to survive and proliferate. mark for My Articles similar articles
BusinessWeek
September 23, 2010
Rob Waters
Stem Cells That Save Big Pharma a Bundle Drugmakers hope to save big by using stem cells to test drugs for dangerous side effects long before costly human trials are needed. mark for My Articles similar articles
Smithsonian
March 2004
Signal Discovery? A Los Angeles scientist says living cells may make distinct sounds, which might someday help doctors "hear" diseases mark for My Articles similar articles
HHMI Bulletin
Winter 2013
Amber Dance
A Trick of Light When miniSOG protein takes in blue light, it converts ordinary oxygen into a short-lived, excited state called singlet oxygen, which reacts with and changes the molecules around it. The singlet oxygen destroys the mitochondria's delicate machinery. mark for My Articles similar articles
Chemistry World
October 7, 2012
David Bradley
Magnetic nanoparticles zap cancer Nanoparticles can be used as a remote-controlled magnetic death switch to kill cancer cells, according to researchers from Korea. mark for My Articles similar articles
Chemistry World
October 31, 2010
Michael Gross
Kiss of death for cancer cells Scientists have deciphered the surprising structure of the perforin pore, which delivers the 'kiss of death' to virus-infected cells and cancer cells in the body. mark for My Articles similar articles
Chemistry World
July 27, 2015
Tim Wogan
Repellent nanocraters could shape tissue engineering Patterning surfaces with nanoscale craters can interfere with cells' ability to stick to surfaces, researchers in the US have shown. mark for My Articles similar articles
HHMI Bulletin
Aug 2011
Richard Saltus
T-Cell Booster Kits A bioengineer remodels cell surfaces to prod the immune system. mark for My Articles similar articles
Chemistry World
December 18, 2012
Jennifer Newton
Technique to measure chemotherapy effectiveness A technique to measure how effective chemotherapy is by studying the physical changes that occur in human cells has been developed by US scientists. mark for My Articles similar articles
HHMI Bulletin
May 2012
Elise Lamar
Cells on the Move The biochemical signals that set cells on a journey are as diverse as the tissues they move through, but the engine is driven by constant remodeling of a protein network built from a box of cellular Legos. mark for My Articles similar articles
Chemistry World
July 28, 2009
Michael Gross
DNA to direct and switch off chemo Researchers in the US have developed a new approach to cancer chemotherapy using short DNA strands to help target delivery of the drug directly to cancer cells, and 'call it off' should problems arise. mark for My Articles similar articles
Chemistry World
April 2, 2009
Michael Gross
Light-guided hydrogels direct cell growth Researchers in the US have developed a gel-like material whose structural and chemical properties can change in response to laser light mark for My Articles similar articles
Chemistry World
August 31, 2012
Rebecca Brodie
Moving microrobots with bubbles Microrobots smaller than the width of a human hair have been directed to assemble patterns made of single yeast cells and cell-laden agarose microgels using cavitation bubbles by a team from Hawaii. The robots could be used to push cells together to grow artificial tissue. mark for My Articles similar articles
IEEE Spectrum
July 2007
Suhas Sreedhar
Plastic Solar Cells Get a Boost by Doubling Up Scientists in Korea and California have invented a new way of boosting the efficiency of cheap plastic solar cells, making them more competitive with traditional silicon solar cells. The key is to make the solar cells in pairs. mark for My Articles similar articles
HHMI Bulletin
Aug 2011
Cassandra Willyard
A Faster Knockout With a virus, a needle, and an ultrasound machine, researchers have drastically cut the time it takes to disable a gene in mice. mark for My Articles similar articles
Chemistry World
July 31, 2012
Fiona McKenzie
Sorting the good from the bad US scientists have found a way to separate cancerous cells from healthy cells by taking advantage of their adhesion properties. Separating cancer cells for analysis is a critical step for determining the recommended course of treatment for patients. mark for My Articles similar articles
Chemistry World
April 4, 2010
Simon Hadlington
New electrolyte for dye-based solar cells Researchers have moved a step closer to overcoming one of the key hurdles to developing low-cost solar cells based on dye-coated titanium dioxide. mark for My Articles similar articles