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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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
AboutSafety May 8, 2001 |
Laser Safety Guidelines for understanding the dangers of lasers and the importance of working with them safely... |
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. |
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 |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
HHMI Bulletin May 2010 Sarah C.P. Williams |
Lab-Grown Liver New cell culture system solves problem of growing liver cells. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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. |
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 |
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. |
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. |
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. |
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. |
PC World February 20, 2002 Kuriko Miyake |
Terabyte Optical Disc in Development Optware refines holographic technology so disc can store more than 100 DVDs... |
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. |
IEEE Spectrum June 2009 Saswato Das |
Two-Laser Lithography Shrinks Transistors A new microscopy technique gets adapted for chipmaking |
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. |
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. |
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. |