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Technology Research News
April 20, 2005
Trapped Cells Make Micromotors Researchers have showed that it is possible to make live Chlamydomonas reinhardtii cells rotate while pinned in a laser trap. The energy of a light beam can be used to manipulate and trap cells much like the way wind moves objects a larger scale. mark for My Articles similar articles
Technology Research News
April 20, 2005
Spiral Laser Beam Demoed Researchers have found a way to generate helico-conical, or spiral-shaped light beams. The unusual-shaped beams are potentially useful in trapping and manipulating particles in biological and medical devices, including biochips. 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
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
Technology Research News
June 1, 2005
Lasers Built Into Fiber-Optics Researchers have crossed a gas-filled fiber optic laser with ordinary fiber optics to make a Raman laser and a frequency stabilizer -- devices that provide precise control of laser beams. mark for My Articles similar articles
Technology Research News
July 28, 2004
Hologram makes fast laser tweezer The researchers devised an algorithm that works quickly enough to control the light beam interactively with a keyboard and mouse. 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
Technology Research News
February 26, 2003
Lasers drive tiny toolset Researchers from Nagoya University in Japan have used light to drive a pair of resin nano tweezers and a nano needle. mark for My Articles similar articles
Chemistry World
February 25, 2011
Elinor Richards
Diagnosing diseases with CDs A digital compact disc integrated with a microfluidic device to analyse cells has been developed by scientists in the US. The disc can be inserted into a standard computer disc drive for analysis and could be used to diagnose diseases. mark for My Articles similar articles
Technology Research News
October 20, 2004
Biochip levitates droplets Researchers have devised a way to magnetically levitate particles and droplets that have volumes smaller than one billionth of a milliliter. Labs-on-a-chip is one of many potential uses. 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
AboutSafety
May 8, 2001
Laser Safety Guidelines for understanding the dangers of lasers and the importance of working with them safely... mark for My Articles similar articles
Technology Research News
September 24, 2003
Eric Smalley
Laser made from single atom The simplest possible laser -- a single atom -- has been on the drawing board for decades. Researchers have finally achieved the extremely precise control needed to make a laser from just one atom. The first demonstration of a single-atom laser showed that it's a different animal -- it produces quantum light. 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
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
Chemistry World
October 7, 2010
Simon Hadlington
New light shed on 'photothermal' cell death Photothermal therapy - where tiny particles of a metal are introduced into a cell and heated by laser light to kill the cell - might not work in the way people think, researchers in the UK have discovered. mark for My Articles similar articles
Military & Aerospace Electronics
July 2004
John Keller
Adaptive Optics Blends the Best of Electronic and Optoelectronic Technologies This approach uses deformable mirrors, MEMS, or liquid-crystal technologies to adjust for optical distortion in the atmosphere, which yields a new level of focus and resolution to high-energy lasers, deep-space exploration, and perhaps even eye surgery. mark for My Articles similar articles
Technology Research News
May 7, 2003
Eric Smalley
Sound forms virtual test tubes Microfluidics devices usually consist of microscopic chambers and tunnels made from silicon, glass or plastic. Researchers from the University of Washington have taken a different tack. Their microscale device uses sound waves to trap and mix tiny amounts of substances. 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
Military & Aerospace Electronics
February 2005
John Keller
Laser pointer or terrorist threat? Several recent incidents in which aircraft pilots claim to have been temporarily blinded by laser beams are igniting debate over whether legally obtained laser pointers in the wrong hands could be considered terrorist weapons. mark for My Articles similar articles
Technology Research News
November 3, 2004
Photonic Crystal Lasers Juiced Researchers have made a photonic crystal laser that is driven by electric current. The device could eventually be used as a source of single photons for quantum cryptography and communications devices. mark for My Articles similar articles
Chemistry World
June 12, 2007
Richard Van Noorden
Imploding Bubbles Mix Fluids on a Chip Fluids traveling through micro channels could be mixed together by being whipped into a laser-induced froth, say researchers. Their technique may provide a simple way to control chemical reactions in a lab-on-a-chip. mark for My Articles similar articles
The Motley Fool
June 13, 2005
Dan Bloom
You Think Blu-ray Is Exciting? Holographic data storage, which is being pursued by a small private company called InPhase Technologies, promises to crush Blu-ray in storage capacity. mark for My Articles similar articles
Chemistry World
February 9, 2012
Harriet Brewerton
Pressurizing red blood cells for information Scientists in Canada have developed a method to study the changes in red blood cells caused by the most common malaria parasite Plasmodium falciparum. 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
Chemistry World
April 25, 2007
Victoria Gill
Nanoscale Scales Scientists at MIT have designed a device able to accurately weigh single nanoparticles within a liquid. The new technique is based on the ultra-sensitive mass detection made possible by nanomechanical resonators. mark for My Articles similar articles
Chemistry World
January 26, 2011
Anna Watson
Channelling deeper to target breast cancer US scientists have developed a model of the breast ductal system that could be used to discover abnormal cells or deliver drugs at locations further along the ducts than other techniques. The model fits on a slide, enabling on-chip experiments. 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
Military & Aerospace Electronics
April 2008
Coherent's 100-Watt Diode Bar Can Combine with Others to Produce Kilowatt-Class Lasers The primary application for the diode laser bar is as a pump light source for use in solid state lasers for medical and industrial applications. mark for My Articles similar articles
Technology Research News
October 17, 2005
Data storage technologies Today's magnetic disk drives could be improved by incorporating much larger magnetoresistance or replaced by microelectromechanical systems (MEMS), near-field optics, holographic systems, or even molecules for better data storage solutions. mark for My Articles similar articles
Technology Research News
February 23, 2005
Kimberly Patch
Springs simplify micromirror arrays Adaptive optics correct light waves that have been distorted, usually by the atmosphere, by bouncing them off a mirror that rapidly changes shape to produce clearer images or signals. mark for My Articles similar articles
Military & Aerospace Electronics
October 2004
Fiber lasers emerge as strong competitor for future laser weapons They may be applied to jet fighters, land vehicles, and perhaps even man-portable systems. And they even have the potential to edge-out other solid-state laser approaches such as slab lasers and free-electron lasers. 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
Military & Aerospace Electronics
April 2005
John Keller
Editor's Notebook: Darpa Details Requirements for High-Energy Diode-Laser Initiative The U.S. Defense Advanced Research Projects Agency is moving ahead with a program to develop a 100-kilowatt weapons-grade diode laser capable of destroying military targets. 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
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
Technology Research News
December 1, 2004
Eric Smalley
Pure Silicon Laser Debuts Researchers have made a prototype laser from silicon. The laser is tunable, meaning it can lase in a range of wavelengths, or colors, and it works at room temperature. mark for My Articles similar articles
Military & Aerospace Electronics
January 2006
Laser Diffuse and Laser Retroreflective Sensors Banner Engineering is offering the World-Beam QS18LD laser diffuse and QS18LLP laser retroreflective sensors. The devices are for applications where high power and small beam size are important, such as semiconductor, materials handling, medical, and pharmaceuticals. mark for My Articles similar articles
Military & Aerospace Electronics
November 2004
John Keller
Air Force Seeks to Develop Phased-Array Lasers for Weapons and Communications U.S. military researchers are looking into ways of steering laser beams from flat arrays of optical emitters, in much the same way that phased-array radar systems steer radar beams without the need of a rotating platform. mark for My Articles similar articles
IEEE Spectrum
February 2012
Miles et al.
Using Lasers to Find Land Mines and IEDs A laser could ionize a distant puff of air and thus safely detect the fumes from buried explosives mark for My Articles similar articles
Military & Aerospace Electronics
December 2006
Northrop Grumman Solid-State Laser Intended for Several Kinds of Military Missions Scientists at the Northrop Grumman Space Technology segment are developing a high-energy, solid-state laser called Vesta that company officials claim is powerful enough to perform many basic military missions. 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
January 12, 2005
Ultrasound Makes Blood Stand Out Researchers have found a way to use ultrasonic vibrations to take images of tumors. The method involves using ultrasonic vibrations to image colloidal objects, which are spherical objects like particles and blood cells that are suspended in fluid. mark for My Articles similar articles
HHMI Bulletin
February 2012
Sarah C. P. Williams
Force Factor In the context of cells, forces are required to move molecules. Quantifying these forces gives scientists a way to compare and contrast different molecular motors. mark for My Articles similar articles
PC World
February 20, 2002
Kuriko Miyake
Terabyte Optical Disc in Development Optware refines holographic technology so disc can store more than 100 DVDs... 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
IEEE Spectrum
June 2009
Saswato Das
Two-Laser Lithography Shrinks Transistors A new microscopy technique gets adapted for chipmaking mark for My Articles similar articles
Wired
November 24, 2008
Erin Biba
Rocket Scientist's Laser Scalpel Targets Individual Cells Researcher Adela Ben-Yakar is developing a laser capable of vaporizing individual cells, one at a time. mark for My Articles similar articles
Military & Aerospace Electronics
October 2005
John McHale
Chasing the goal of an efficient battlefield laser U.S. DoD researchers aim to develop small lasers for use in tactical air missions. The engineering challenge has been taken up by contractors including Northrop Grumman and Lockheed Martin. 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