March, 2013 WUSTL Newsroom --

Lihong Wang, the Gene K. Beare Distinguished Professor of Biomedical Engineering at Washington University in St. Louis, has received a three-year, $300,000 grant from the National Science Foundation (NSF) to study oxygen consumption rates of individual cells using photoacoustic microscopy, a novel imaging technology he developed that uses light and sound to measure change..........More>>

December, 2012 Siteman Cancer Center --

Lihong Wang, PhD, the Gene K. Beare Distinguished Professor of Biomedical Engineering at Washington University in St. Louis, changed his area of emphasis from electrical engineering to biomedical engineering because he dreamed about making a difference in patients’ lives..........More>>

August 13, 2012 WUSTL Newsroom --

Scientists from the University of Southern California in Los Angeles and Washington University in St. Louis have developed a new type of medical imaging that gives doctors a new look at live internal organs..........More>>

See also:

· Newswise

· Science Daily

· Device Space

· News-Medical
· Medical Express

· Vision Systems Design

· MedGadget

July 16, 2012 WUSTL Homepage --

A collaboration between a surgeon and a biomedical engineer led to the invention of photoacoustic endoscopy, a powerful new tool to screen for an esophageal disorder..........More>>

 

June 29, 2012 YouTube --

Clinical applications of PAT include imaging of parameters associated with cancer, offering the prospect of earlier detection..........More>>

May 3, 2012 YouTube --

Photoacoustic tomography (PAT), combining optical and ultrasonic waves via the photoacoustic effect, provides in vivo multiscale non-ionizing functional and molecular imaging..........More>>

April 30, 2012 Reuters --

A new imaging technique called photo-acoustic tomography combines the properties of light and sound to give doctors a powerful tool to detect cancer earlier than ever before.Its developers say it can also be performed without the dangers of radiation exposure associated with current imaging methods like x-ray and CT scans..........More>>

April 25, 2012 Optics.org --

Photoacoustic imaging is starting to be used on human patients, and the technology could revolutionize medical imaging in clinical practice – from early-stage cancer detection, to neurology and label-free histology..........More>>

April 11, 2012 The BPoD --

Tracking tumors is a tricky business. Scientists have discovered recently, however, that ‘listening’ might make it easier. This image of a melanoma (represented in gold) and blood vessels (in red) growing under mouse skin, was produced by doing just that..........More>>

April 1, 2012 The Scientist --

In short, “light goes in, sound comes out,” Wang says. Molecules absorb incoming pulses of laser light, which heat them up a tiny, harmless amount [PDF] ..........More>>

March 23, 2012 YouTube --

A new imaging technique uses light and sound rather than radiation and delivers a rich, photographic rendering of structures several inches below the skin..........More>>

March 22, 2012 DiagnosticImaging --

My hope is that photoacoustic tomography will impact both basic science research and clinical utility,” said Lihong Wang, PhD, Gene K. Beare Distinguished Professor of Biomedical Engineering, who details this new imaging technology in the March 23 issue of Science...........More>>

See also:

· Medical Physics web (UK)

· Medscape:  [PDF]

· FierceHealthIT

· LABMATE Online
· Photonics

· Futurity

· Wustl Newsroom

October 1, 2011 NanotechWeb --

Researchers at Washington University in St Louis have used photoacoustic tomography – a non-invasive imaging technique – to look at how gold nanocages accumulate in the lymph nodes of rats..........More>>

September, 2011 BioPhotonics --

In vivo, label-free subwavelength-resolution photoacoustic microscopy enables more precise measurement of optical absorption – and, therefore, offers more information..........More>>

June 2, 2011 WUSTL Newsroom --

The Optical Society (OSA) has awarded Lihong V. Wang the C.E.K. Mees Medal for seminal contributions to photoacoustic tomography and Monte Carlo modeling of photon transport in biological tissues and for leadership in the international biophotonics community..........More>>

 

March, 2011 Physics Today --

A focused beam of light can trap a colloidal sphere, cause a specific neuron to fire, or deliver a lethal dose of energy to a cancerous cell. In biomedicine, focused light can perform nearly all the same sensing, diagnostic, and therapeutic functions as targeted x rays, without inducing harmful ionization..........More>>

March 29, 2011 MedPhysWeb --

The ability of photoacoustic microscopy (PAM) to produce exceptionally high spatial resolution images of cutaneous microvascular networks could provide a vital insight into cardiovascular diseases. That's the conclusion of researchers from Washington University in St. Louis, MO (WUSTL).........More>>

March 22, 2011 BioOptics World --

To see life in its natural state, researchers want—as much as possible—imaging approaches that need no stains or labels. Photoacoustics provide this with "rich contrast," according to Lihong Wang, Gene K. Beare Distinguished Professor at Washington University in St. Louis, and inventor of three-dimensional photoacoustic microscopy (see http://bit.ly/h2EUI5).........More>>

March 21, 2011 Nature Photonics: Interview --

The strong scattering of light in biological tissue impedes the development of light-based biological imaging. Lihong Wang explained to Nature Photonics how the use of ultrasound can aid the deeper and tighter focusing of light in scattering media. [Nature Photonics 5, 184 (2011), DOI: 10.1038 / nphoton. 2011. 24].........More>>

March 21, 2011 Nature Photonics: News & Views --

Combining ultrasonic modulation and optical phase conjugation allows light to be tightly focused in a scattering medium, providing benefits for studies of photophysical, photochemical and photobiological processes [Nature Photonics 5, 135-136 (2011), DOI: 10.1038 / nphoton. 2011. 19].........More>>

February 11, 2011 WUSTL Newsroom --

Lihong Wang, PhD, the Gene K. Beare Distinguished Professor of Biomedical Engineering at Washington University in St. Louis, has invented a guide star for biomedical rather than celestial imaging, a breakthrough that promises game-changing improvements in biomedical imaging and light therapy........More>>

February 11, 2011 J. Mater. Chem. --

The team behind the research, led by Lihong Wang at Washington University in St Louis, US, say that the high photoacoustic sensitivity of plasmon-resonant nanostars at near-infrared wavelengths enables the in vivo detection in rat sentinel lymph nodes and vessels.........More>>

January 24, 2011 Physics Today --

Lihong Wang and colleagues at Washington University in St. Louis have developed a new approach that combines time reversal with ultrasound, whose waves scatter weakly in biological tissue, to focus light to a controllable position.........More>>

 

January 15, 2011 Ars Technica --

Lihong Wang from Washington University presented some fantastic results on photoacoustic imaging in a plenary talk at the Physics of Quantum Electronics conference, bedazzling the audience with beautiful image after beautiful image. .........More>>

 

See it for yourself: a new breakthrough in imaging technology using a combination of light and sound will allow health care providers to see microscopic details inside the body.........More>>

 

A new discovery may lead to a very early detection of melanomas, the most serious of skin cancers that kills thousands of male senior citizens every year.........More>>

 

Melanoma is one of the less common types of skin cancer but it accounts for the majority of the skin cancer deaths (about 75 percent)...Two scientists at Washington University in St. Louis have developed technologies that together promise to solve this difficult problem.........More>>

 

Now Washington University professors are developing techniques using Bell's photoacoustic effect. The new imaging technology being developed by Lihong Wang and his colleagues will identify the sentinel lymph node........More>>

 

Cover Story <10-15> “2003 is the magic number,” says Wang, Ph.D., now the Gene K. Beare Distinguished Professor in the Department of Biomedical Engineering. “We published the first paper on functional imaging using photoacoustics. That excited everybody and attracted newcomers to the field.” ........More>>

 

BELLINGHAM, Washington, and WASHINGTON, D.C., USA -- Lihong V. Wang and Hsin-I Wu are recipients of the 2010 Joseph W. Goodman Book Writing Award (List of winners) for their book Biomedical Optics: Principles and Imaging, the Optical Society (OSA) and SPIE have announced........More>>

Photoacoustic imaging combines light and sound to create detailed pictures of tiny structures in the body without the use of high-energy X-ray beams, which can be damaging. Unlike traditional radiology techniques, it also provides functional information about tissues and cells, with the ability to show blood flow and oxygen saturation........More>>

 

Researchers from the Optical Imaging Laboratory at Washington University in St. Louis, led by Dr. Lihong Wang, have been very active developing techniques that combine photoacoustic microscopy and optical coherence tomography.  Combining sound and light imaging can provide several benefits including images at greater depths with complementary contrasts........More>>

 

Nanotubes reveal breast cancer spread: Sentinel lymph-node biopsy is certainly less drastic than no-questions-asked underarm lymph-node dissection, but it is not without its disadvantages. Node identification typically involves injection of a gamma ray-emitting radiotracer and/or blue dye into the breast....... More>>

The Sound of Light: If light passed through objects, rather than bouncing off them, people might now talk to each other on “photophones”. Alexander Graham Bell demonstrated such a device in 1880, transmitting a conversation on a beam of light...... More>>

SPIE appoints Lihong Wang editor of 'Journal of Biomedical Optics': SPIE has announced the appointment of Lihong V. Wang of Washington University in St. Louis as editor of the Journal of Biomedical Optics effective 1 January 2010..... More>>

Photoacoustics sheds light on brain function: Researchers at Washington University in St. Louis, MO, (WUSTL) have used photoacoustic microscopy (PAM) to obtain high-resolution in vivo images of the mouse brain in response to differing oxygen levels...... More>>

Sounding out photons: Bouncing light off biological tissue has become a mainstay of modern medical imaging and microscopy..... More>>

Novel technique changes lymph node biopsy, reduces radiation exposure in breast cancer patients: Ultrasonography and MRI are increasingly being used as complementary modalities for breast-cancer diagnosis..... More>>

Harnessing Light and Sound for Staging of Breast Cancer: Only recently developed for imaging of tissue, photoacoustic tomography now is racing headlong toward clinical implementation..... More>>

Photoacoustic Imaging Gets Dynamic: Photoacoustic imaging offers tremendous potential for both research and clinical applications because it draws on the advantages of both spectroscopy and ultrasound imaging..... More>>

TAT/PAT: a new screening option? Information obtained from a new application of photoacoustic tomography (PAT) is worth its weight in gold to breast cancer patients..... More>>

Researchers at the Texas A&M University have developed a new method for using the photoacoustic effect to create images. The technique allows for functional imaging of oxy and deoxyhemoglobin with an axial resolution of about 15 µm, a lateral resolution of 45 µm, and an imaging depth of 3 mm...... More>>

Medical imaging researchers are always trying to increase the resolution and penetration of their instruments, with the ultimate goal of achieving the same microscopic resolution in living tissue that can be obtained by biopsy, thus eliminating the often painful process of taking biopsy samples..... More>>

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