Navigation Links
A better imager for identifying tumors
Date:6/19/2014

onto the cancerous area, the dye glows. In the case of a common dye called indocyanine green (ICG), it glows in near-infrared light. But because the human eye isn't sensitive to near-infrared light, surgeons have to use a special camera to see the glow and identify the tumor's precise location.

Surgeons also need to be able to see the surface of the tissue and the tumor underneath before cutting away, which requires visible light imaging. So researchers have been developing systems that can see in both fluorescent and visible light modes.

The trouble is that the two modes have opposing needs, which makes integration difficult. Because the fluorescent glow tends to be dim, a near-infrared light camera needs to have a wide aperture to collect as much fluorescent light as possible. But a camera with a large aperture has a low depth of field, which is the opposite of what's needed for visible-light imaging.

"The other solution is to put two different imaging systems together side by side," Liang says. "But that makes the device bulky, heavy and not easy to use."

To solve this problem, Liang's group and that of his colleagues, Samuel Achilefua and Viktor Gruev at Washington University in St. Louis, created the first-of-its-kind dual-mode imaging system that doesn't make any sacrifices.

The new system relies on a simple aperture filter that consists of a disk-shaped region in the middle and a ring-shaped area on the outside. The middle area lets in visible and near-infrared light but the outer ring only permits near-infrared light. When you place the filter in the imaging system, the aperture is wide enough to let in plenty of near-infrared light. But since visible light can't penetrate the outer ring, the visible-sensitive part of the filter has a small enough aperture that the depth of field is large.

Liang's team is now adapting its filter design for use in lightweight goggle-like devices that a surgeon can wea
'/>"/>

Contact: Lyndsay Meyer
lmeyer@osa.org
202-416-1435
The Optical Society
Source:Eurekalert  

Page: 1 2 3

Related medicine news :

1. Kids with strong bonds to parents make better friends, can adapt in relationships
2. Kids whose time is less structured are better able to meet their own goals
3. Researchers create better methods to detect E. coli
4. Chemical strategy hints at better drugs for osteoporosis, diabetes
5. Cryoprobes better than traditional forceps for obtaining certain lung biopsies
6. Bloodstream infections reduced through better central line care at three hospitals
7. Brain signals link physical fitness to better language skills in kids
8. A tool to better screen and treat aneurysm patients
9. Funding for better understanding of cancer-causing cell defect
10. Game changer: Patients of doctors who played online game had better control of blood pressure
11. Children who exercise have better body-fat distribution, regardless of their weight
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
A better imager for identifying tumors
(Date:9/19/2014)... Germany (PRWEB) September 19, 2014 ... that its new ND® Infusion Catheter is ... of Frankfurt. , The study commenced on September 4th, ... The use of the new catheter demonstrated a number ... known as stem cells. “We are at the forefront ...
(Date:9/19/2014)... (PRWEB) September 19, 2014 In ... families find affordable home care options, Seniors Guide ... Agencies” on http://www.HomeCareChoice.com - their ... services in Virginia, North Carolina, Ohio, and Indiana. ... about licensing, costs, services offered, training and education, ...
(Date:9/19/2014)... 2014 One of the major trends ... material, making it useful in different application sectors such ... engineering. , Analysts forecast the Global Bioactive Material ... percent over the period 2013-2018. According to the report, ... drivers in the market. There will be an increased ...
(Date:9/19/2014)... CA (PRWEB) September 19, 2014 AttorneyOne.com, a ... the latest information from the FDA on Potassium Chloride ... Baxter International Inc. recalled one lot of Potassium ... on the shipping cartons. Potassium Chloride, administered intravenously, is used ... recall is based on a labeling error on the shipping ...
(Date:9/19/2014)... Yisrayl Hawkins, Pastor of The House of Yahweh wrote ... protect children. He begins by encouraging the reader not to ... there are many other children, like Michael Brown, who are ... than cancer all over the world and must be stopped ... billion Michaels in the world who were left to themselves ...
Breaking Medicine News(10 mins):Health News:First-in-man procedure utilizes a new method of stem cell delivery 2Health News:First-in-man procedure utilizes a new method of stem cell delivery 3Health News:Seniors Guide Offers Advice on How to Find the Right Home Health Care Agency 2Health News:Bioactive Material Market to Grow at 13.30% CAGR to 2018, Forecasts a New Research Report Available at Sandlerresearch.org 2Health News:Bioactive Material Market to Grow at 13.30% CAGR to 2018, Forecasts a New Research Report Available at Sandlerresearch.org 3Health News:Bioactive Material Market to Grow at 13.30% CAGR to 2018, Forecasts a New Research Report Available at Sandlerresearch.org 4Health News:Baxter Recalls Potassium Chloride Injection: AttorneyOne Monitors and Keeps Consumers Informed 2Health News:Yisrayl Hawkins Says the Michael Brown Scenario Will Continue Without Swift Action in New Post 2
... ... (HLA), the nation,s first interactive health literacy software tool, today announced the 1st Annual ... , ... 7, 2010 -- Health Literacy Innovations (HLI), creators of the Health Literacy ...
... ... View" hits radio on July 6th. , ... Atlanta, GA (PRWEB) July 7, 2010 -- Sponsored by ... Southeast this summer for Ryan Hamner Presents: “Hear the Heart” Summer Tour 2010. ...
... ... and request a free 15-page translation localization report that details areas of improvement. ... Westborough, MA (PRWEB) ... its Localization Quiz at http://www.globalvis.com/freebies/localization-quiz/ . , , , , ,Visitors ...
... 2010 Approximately 10% of low back pain (LBP) ... study published in the August issue of Pain ... of health literacy in patients with chronic lower back ... a person,s disability more than pain intensity or a ...
... Obesity ... creator of the Zone Diet. , ... Boston (Vocus) July 6, 2010 -- Appearing on The Mel Robbins Show , ... bestselling author of The Zone, detailed the underlying causes of America’s obesity crisis and talked ...
... Jackson Surgical Assistants ... experience, has joined the executive team as Medical Director. , ... Alpharetta, GA (July 6, 2010) – Jackson Surgical Assistants (JSA) ... has joined the executive team as Medical Director. Dr. Funk will be responsible for ...
Cached Medicine News:Health News:Health Literacy Innovations Announces 1st Annual Health Literacy Innovator Award — Anonymous Donor Offers Prize Money To Winners 2Health News:Health Literacy Innovations Announces 1st Annual Health Literacy Innovator Award — Anonymous Donor Offers Prize Money To Winners 3Health News:Ryan Hamner's Free Hear The Heart Tour Sweeping The South Four-Time Cancer Survivor, Sings Hope To Others 2Health News:Test your Localization Abilities on globalvis.com 2Health News:Attitudes, beliefs and health literacy impact how patients manage chronic lower-back pain 2Health News:Attitudes, beliefs and health literacy impact how patients manage chronic lower-back pain 3Health News:Attitudes, beliefs and health literacy impact how patients manage chronic lower-back pain 4Health News:Zone Diet Creator Dr. Sears Discusses Obesity Causes and Solutions on Mel Robbins Radio Show 2Health News:Jackson Surgical Assistants Names Dr. Sidney Funk as Medical Director 2
(Date:9/18/2014)... Sept. 18, 2014  ADM Tronics Unlimited, Inc. ... Ph.D. to its corporate Advisory Board for business ... at the Harvard Medical School and Visiting Professor ... received his Masters degree in Electronics Engineering and ... University of Bologna. After spending a year as ...
(Date:9/18/2014)... 2014  A $3 million grant from The Glenn ... Michigan to establish a national center of excellence in ... Aging Research at U-M will focus on exploiting and ... effects of aging and postpone diseases in animal models. ... help develop medications that may help people live longer, ...
(Date:9/18/2014)...  Neurotrope, Inc. (OTCQB: NTRP) today announced the appointment ... the Company,s Board of Directors, effective September 12, 2014. ... the Board of seven members. Dr. Altstiel will also ... and a member of the Audit and Compensation Committees ... Scientific Advisory Board, a position he has held since ...
Breaking Medicine Technology:ADM Tronics Appoints Gianluca DeNovi, Ph.D. To Advisory Board 2ADM Tronics Appoints Gianluca DeNovi, Ph.D. To Advisory Board 3$3 M grant funds Paul F. Glenn Center for Aging Research at the University of Michigan 2$3 M grant funds Paul F. Glenn Center for Aging Research at the University of Michigan 3Larry D. Altstiel, M.D., Ph.D. Joins Neurotrope Board of Directors 2Larry D. Altstiel, M.D., Ph.D. Joins Neurotrope Board of Directors 3Larry D. Altstiel, M.D., Ph.D. Joins Neurotrope Board of Directors 4
... The National Association of Boards of Pharmacy® ... PMP InterConnect is now fully operational, providing state prescription ... reducing prescription drug abuse and doctor shopping. NABP,s PMP ... facilitates the sharing of data between state PMPs, a ...
... RATON and JUPITER, Fla., Aug. 5, 2011 In ... Beach area, South Florida Radiation Oncology announced today that ... that enables a radically different approach to treating cancer ... Varian Medical Systems, was engineered from the ground up ...
Cached Medicine Technology:Interstate PMP Data Sharing through NABP PMP InterConnect Is Now a Reality 2Interstate PMP Data Sharing through NABP PMP InterConnect Is Now a Reality 3South Florida Radiation Oncology on the Forefront of Cancer Treatment with the TrueBeam™ Radiotherapy System from Varian Medical Systems 2South Florida Radiation Oncology on the Forefront of Cancer Treatment with the TrueBeam™ Radiotherapy System from Varian Medical Systems 3
... a national reference laboratory and a worldwide ... ARUP offers an extensive test menu of ... clinical and anatomic pathology. Owned by the ... more than half of the nation's university ...
... reference laboratory and a worldwide leader in ... an extensive test menu of highly complex ... anatomic pathology. Owned by the University of ... half of the nation's university teaching hospitals ...
... Laboratories is a national reference laboratory and ... and development. ARUP offers an extensive test ... tests in clinical and anatomic pathology. Owned ... clients include more than half of the ...
... ARUP Laboratories is a national reference laboratory ... research and development. ARUP offers an extensive ... medical tests in clinical and anatomic pathology. ... Laboratories' clients include more than half of ...
Medicine Products: