More Biophotonics Articles

Graphene quantum dots are fabricated in bulk from ordinary carbon fiber

Graphene quantum dots are fabricated in bulk from ordinary carbon fiber

01/16/2012

Houston, TX--An international team of researchers has learned how to simply transform conventional carbon fiber into graphene quantum dots.

CLEO, Laser Focus World now accepting submissions for 2012 Innovation Awards

01/16/2012 Nashua, NH--CLEO and Laser Focus World have put out the call for submissions for their annual Innovation Awards, which honor exhibiting companies that have demonstrated outstanding leadership and made significant contributions ...

Laser sales reach new record, but what lies ahead?

01/13/2012

San Francisco, CA--On January 23rd, in conjunction with SPIE Photonics West, the W Hotel will host the Lasers & Photonics Marketplace Seminar to navigate what lies ahead.  

pHRed fluorescence lifetime with 860 nm two-photon excitation

Researchers engineer first ratiometric, single-protein red fluorescent pH sensor

01/11/2012

Researchers from Harvard Medical School have engineered the first ratiometric, single-protein red fluorescent pH sensor.

A superluminescent diode shows a simultaneously thermal and coherent output at a temperature of about 190 K

Hybrid photons are simultaneously thermal and coherent

01/10/2012

Researchers at the Technischen Universität Darmstadt have demonstrated a state of light that is at the same time incoherent in the first order (spectrally broadband) and yet coherent in the second order.

Photoacoustic device detects melanoma at the cellular level

01/06/2012

Researchers from the University of Missouri have developed a device that measures melanoma at the cellular level using photoacoustics, or laser-induced ultrasound.

Nanocrystalline ceramic has the right optical properties for artificial teeth

Nanocrystalline ceramic has the right optical properties for artificial teeth

01/05/2012

Jena, Germany--A glass ceramic with a nanocrystalline structure developed at the Otto-Schott-Institute for Glass Chemistry has both the high strength and the proper optical characteristics for use in dentistry.

Ultrafast, THz, fiber lasers focus of Marketplace Seminar Technology Forum

01/05/2012 San Francisco, CA--The W Hotel in San Francisco will be the scene of the annual Lasers & Photonics Marketplace Seminar, held in conjunction with Photonics West on January 23rd and featuring a Technology Forum on ultrafast, ...
Fraunhofer CMOS sensors provide low-light images at high speed

CMOS sensors provide low-light images at high speed

01/03/2012 Duisburg, Germany--Researchers at the Fraunhofer Institute for Microelectronic Circuits and Systems IMS have developed and patented a type of CMOS sensor that can use large pixels for low-light applications without suffering a ...
Joanna Oracz stands with her 100 nm STED microscope prototype in her lab

Student-built STED microscope achieves 100 nm resolution

01/03/2012 Joanna Oracz, a student at the Ultrafast Phenomena Lab of the Faculty of Physics, University of Warsaw (FUW), has built a prototype STED confocal microscope as part of her MA thesis—one that achieves resolution twice that of a ...
Cell-phone-based iris-recognition system aimed at immunization programs

Cell-phone-based iris-recognition system aimed at immunization programs

01/02/2012

Singapore--A research team at the National University of Singapore (NUS) is developing a low-cost cell-phone application that can be used to identify individuals through iris recognition.

BIOPHOTONICS: Super-resolution STED microscopy advances with yellow CW OPSL

01/01/2012

The low noise of a 577 nm CW optically pumped semiconductor laser enables researchers to image cellular structures and membrane dynamics with unprecedented resolution using blue/green fluorophores.

SPIE Education Outreach Grants Program seeking entries

12/30/2011

Bellingham, WA--In efforts to boost its education outreach mission, SPIE will be supporting optics- and photonics-related education outreach projects through a grants program.

Max Planck microscopy method enables researchers to see nerve cells in the intact cellular network of the spinal cord

Microscopy method renders spinal cord tissue transparent

12/28/2011

Researchers at the Max Planck Institute for Neurobiology and international colleagues have developed a new microscopy method to observe single nerve cells in intact tissue and in 3-D.

With vibrational molecular interferometry (VMI), the background signal in a single-molecule image vanishes

'Reverse' spectroscopy approach clarifies molecular structure

12/27/2011

Researchers at the University of Twente’s MESA+ Institute for Nanotechnology adopted a "reverse" approach to spectroscopy, which cleans up images by eliminating background noise.

Fluorescence confocal image of a single living HeLa cell

Single-cell endoscope enables optical look inside living cells

12/22/2011 Researchers with the U.S. Department of Energy (DOE)’s Lawrence Berkeley National Laboratory have developed an endoscope that can provide high-resolution optical images of the interior of a single living cell, or precisely deli...
Microfluidic chips contain about 500 blinking bacterial colonies, known as 'biopixels'

Neon sign-like biosensor comprises millions of glowing bacteria

12/21/2011

Researchers at UC San Diego have created a living biosensor comprised of millions of bacterial cells that periodically fluoresce in unison like blinking light bulbs.

Lasers & Photonics Marketplace Seminar early bird discount extended

12/21/2011

San Francisco, CA--To be held in conjunction with Photonics West on Monday, January 23rd, the early bird discount has been extended to December 30th for the Lasers & Photonics Marketplace Seminar.

OCT tracks growth and shrinkage of cone-cell appendages in living human eye

OCT tracks growth and shrinkage of cone-cell appendages in living human eye

12/20/2011 Bloomington, IN--Information hidden within optical coherence tomography (OCT) data is allowing researchers at Indiana University in Bloomington to track size changes of the "outer segments" of the eye's color-sensing ...
Femtosecond-laser direct writing creates focusable protein microlenses

Femtosecond-laser direct writing creates focusable protein microlenses

12/15/2011

Changchun, China--Scientists at Jilin University have created adjustable microlenses made from protein gels, using femtosecond laser direct writing to create the lenses from bovine serum albumin.

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