POSTS TAGGED AS lasers

An Optogenetics Microscope for Seeing and Influencing Behavior

Quoting directly, “For the first time, researchers have developed a microscope capable of observing — and manipulating — neural activity [MORE]

Detecting Nerve Impulses from Outside the Body, at Room Temperature

Optical Magnetometre
Before this gets too exciting, realize that this piece refers to measuring the sciatic nerve impulse of a frog’s [MORE]

“Welding Neurons”

Neurons
Reconnecting severed nerves is no small matter. But electrical engineers at the University of Alberta have demonstrated a method for [MORE]

Tissue Scaffolds of Micropatterned Silk Protein Hydrogel

Laser
Regenerative medicine relies upon artificial scaffolds for producing cell growth into a desirable shape. That scaffold material has to have [MORE]

Imaging the Inner Ear

Optical Coherence Tomography
Using optical coherence tomography—aka “optical ultrasound,” a biomedical researcher at Texas A&M University was able to insert a [MORE]

Laser Device for Blood Clotting Properties

Laser Speckle Rheology
Laser speckle rheology is a technique of beaming a laser through an organic material, revealing a light scattering [MORE]

Holographic Diagnostics

Hologram
Scientists at Cambridge University have invented a new kind of diagnostic device.  They embedded silver nanoparticles in hydrogel.  When a [MORE]

Shaping Light Pulses for 10x Data Transmission Rate

Optical Fiber EPFL
While wireless transmission capability is moving toward 1 gigabyte/second, wired capability is leaping ahead even more dramatically.  [MORE]

“Microfluidic Vortex” Lab-on-a-Chip

Purdue Biosensor
It works like a cream separator, but it relies on laser light and electric fields to separate particles [MORE]

3-D microscope for $250

Holographic Microscope
Using a web camera, a small solid state laser, an optical pinhole and free open source software, researchers [MORE]

Photoacoustic Imaging

Photoacoustic imaging involves using a nano-second pulsed laser to penetrate tissue to a depth of up to 3 inches and [MORE]

Listening to Pathogens

Nano Ear
Bacteria and viruses make faint sounds when they move—hard as that is to imagine.  To detect these acoustic [MORE]

Cuffless BP Meter

Tarilian Laser Technologies (Welwyn Garden City, Herts, UK) has developed a cuffless blood pressure monitor that can take a [MORE]

Optical Fractionation of Blood

Dr.. Sean Hart
During World War II, Edwin Cohn developed the blood fractionation method that separated serum albumin, saving thousands of [MORE]