Articles and News - Biophotonics

Femtosecond-laser direct writing creates focusable protein microlenses

Femtosecond-laser direct writing creates focusable protein microlenses


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.

Milton Chang to keynote January Lasers & Photonics Marketplace Seminar

12/15/2011 Nashua, NH--Held in conjunction with SPIE's Photonics West each January, the Laser Focus World 2012 Lasers & Photonics Marketplace Seminar will feature a keynote address by entrepreneur and author Milton Chang.
MIT metal-organic framework (MOF) pairs with fluorescent molecules to ID toxins and pathogens

'Glowing' detectors could visually ID toxins or pathogens

12/15/2011 Researchers at MIT have developed an approach that pairs fluorescent molecules with an open scaffolding called a metal-organic framework (MOF), enabling them to reveal presence of specific toxins, disease markers, pathogens, or...

Optical profiler from Bruker features 3D microscope


The ContourGT-X8 optical surface profiler provides nondestructive, noncontact reference metrology.

Cell phone-based pulse oximeter performs measurements at the point-of-care

12/12/2011 In efforts to boost assessment and management of respiratory disease from the hospital into non-hospital settings, such as those in the developing world, engineers at the University of British Columbia are pairing a pulse oxime...

$300,000 award to advance OCT technique in cardiology

12/08/2011 A University of Texas at Austin (UT Austin) engineering professor and a cardiologist from UT Medicine San Antonio have received a $300,000 award from the the Clayton Foundation for Research to further develop an optical coheren...

Optogenetics technique reverses effects of cocaine


A team of Swiss researchers has found the first link between cocaine use and physical brain changes, also finding a means to reverse it.

A thin, high-contrast grating with subwavelength structure is separated by an air gap from the gain layer of a VCSEL emitting at 1550 nm

PHOTONICS WEST PREVIEW: SPIE Photonics West 2012 continues growth streak


After outgrowing the San Jose convention center and moving to San Francisco in 2010, SPIE Photonics West 2012 will grow yet again, both in terms of number of attendees as well as technical content and exhibition size.

A transient absorption imaging technique detects both metallic and semiconducting nanotubes, false-colored in red and green, in live hamster cells

Label-free, pulsed laser-driven imaging tool tracks nanotubes in cells, blood


Researchers at Purdue University developed a new imaging tool that tracks carbon nanotubes in living cells and the bloodstream, which could help to boost their use in biomedical research and clinical medicine.

In an optical chromatography setup, cells are placed in a flowing fluid (left to right) and remain stationary when the optical force from a laser (right to left) balances the fluid flow

OPTOFLUIDICS: Optical force chromatography performs label-free blood-cell sorting

12/02/2011 The US Naval Research Laboratory (NRL) is aiming to sort particles in biological fluids using laser-based, optofluidic methods that do not require prior knowledge of DNA sequence attributes or attachment of antibodies and/or fl...

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