Navigation Links
Brown chemists create cancer-detecting nanoparticles
Date:5/27/2008

PROVIDENCE, R.I. [Brown University] Magnetic resonance imaging (MRI) can be a doctor's best friend for detecting a tumor in the body without resorting to surgery. MRI scans use pulses of magnetic waves and gauge the return signals to identify different types of tissue in the body, distinguishing bone from muscle, fluids from solids, and so on.

Scientists have found that magnetic nanoparticles can be especially helpful in locating cancerous cell clusters during MRI scans. Like teeny guide missiles, the nanoparticles seek out tumor cells and attach themselves to them. Once the nanoparticles bind themselves to these cancer cells, the particles operate like radio transmitters, greatly aiding the MRI's detection capability.

Now, Brown University chemist Shouheng Sun and a team of researchers have created the smallest magnetic nanoparticles to date that can be employed on such seek-and-find missions. With a thinner coating, the particles also emit a stronger signal for the MRI to detect.

The results have been published online this week in the Journal of the American Chemical Society. Brown graduates students Jin Xie, Chenjie Xu and Sheng Peng collaborated on the research, along with Professor Xiaoyuan Chen and his associates from Stanford University.

The team created peptide-coated iron oxide nanoparticles particles billionths of a meter in size. The researchers injected the particles into mice and tested their ability to locate a brain tumor cell called U87MG. Sun and his collaborators concentrated specifically on the nanoparticle's size and the thickness of the peptide coating, which ensures the nanoparticle attaches to the tumor cell.

Size is important because the trick is to create a nanoparticle that is small enough to navigate through the bloodstream and reach the diseased area. Bigger particles tend to stack up, creating the circulatory system's version of a traffic jam. Sun's team developed a nanoparticle that
'/>"/>

Contact: Richard Lewis
richard_lewis@brown.edu
401-863-3766
Brown University
Source:Eurekalert  

Page: 1 2

Related medicine news :

1. Dr. Michael Brownlee receives JDRF Rumbough Award for Scientific Excellence
2. FDA Approves Health Claim for Brown Rice
3. Dr. Lance H. Brown President-Elect of Dermatologic Society of Greater New York Fights Misconceptions About Sun Protection and Skin Care in Support of Skin Cancer Awareness Month - May
4. Brown & Toland Announces 2007 Financial Results
5. Shannon Brownlee, Author of Overtreated, to Keynote at Defined Healths 8th Annual Therapeutic Insight Conference
6. Actor Rob Brown Rushes to Gain Ground Against Blood Cancer
7. Foundation Radiology Group and Brownsville Tri-County Hospital Sign Long-Term Contract for Diagnostic Imaging Services
8. Local VA Performers Hold February 15 Benefit to Reduce $10,000 in Medical Bills for Former VCU Student Kellie Brown
9. Bobbi Brown Cosmetics Creates Limited-Edition Lip Palette in Partnership with The Heart Truths Red Dress Collection 2008 Fashion Show
10. Bobbi Brown Cosmetics Creates Limited-Edition Red Lip Palette in Partnership With The Heart Truths 2008 Red Dress Collection
11. Senator Sam Brownback and Rep. Chris Smith to Speak at Blogs for Life
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Brown chemists create cancer-detecting nanoparticles
(Date:12/26/2014)... India Network Foundation, a non-profit US based sponsor ... a new version of “ EasySelect ”, a software ... for their visiting parents. The technology tool is designed ... when choosing an insurance plan by showing the benefits ... clicks. Many elderly Asian Indian parents often find it ...
(Date:12/25/2014)... This is a professional and in-depth study on ... a focus on the Chinese market. The report provides ... manufacturers and is a valuable source of guidance and ... This report provides a basic overview of the industry ... part, the report presents the company profile, product specifications, ...
(Date:12/25/2014)... months the trends for evening dresses shift and ... of the hottest styles in the next few months.” The ... 26 A-line sweetheart evening dresses, and announces the availability of ... trying our best to help a lady to show off ... prices, we provide discounted delivery costs to our customers worldwide. ...
(Date:12/25/2014)... BambooFlooringChina.com sells many bamboo products and the ... the company announces big discounts on its bamboo ... , BambooFlooringChina.com is the world’s leader in bamboo flooring. ... until Jan. 20, 2015. , The bamboo mats are ... natural thread. All the bamboo strips for the mats ...
(Date:12/25/2014)... 2014 (HealthDay News) -- The risk of burns from ... you need to be extra cautious, an expert says. ... a significant increase in patients coming in with burns," ... County Volunteer Firefighters Burn Center of Stony Brook University ... full of joy, but if not careful, could quickly ...
Breaking Medicine News(10 mins):Health News:India Network Health Insurance Announces new Comprehensive Pre-existing Condition Coverage policy for Visitors to the United States 2Health News:India Network Health Insurance Announces new Comprehensive Pre-existing Condition Coverage policy for Visitors to the United States 3Health News:Sterilizers Industry Global and Chinese Analysis for 2009-2019 Now Available at ReportsnReports.com 2Health News:Sterilizers Industry Global and Chinese Analysis for 2009-2019 Now Available at ReportsnReports.com 3Health News:Various Styles of Bamboo Mats in Many Colors from BambooFlooringChina.com 2Health News:Don't Let Burns Mar Your Holidays 2
... HealthDay Reporter , SUNDAY, Sept. 19 (HealthDay News) ... standard inhaled steroids, the addition of Spiriva -- a medication ... a new study finds. However, the study authors and ... much longer, larger clinical trials are needed. Tiotropium bromide ...
... of Utah determined that the 2009 pandemic influenza A ... children than the seasonal flu. The most common ... of the study, the most extensive evaluation of neurological ... the September issue of Annals of Neurology , ...
... researchers has identified four chromosome locations with genetic changes ... developing ovarian cancer. The findings appear in Nature ... Clinic researcher. Researchers say that while more needs ... chromosomal regions involved in susceptibility, the discoveries move them ...
... researchers have discovered how HIV-1, the virus that causes AIDS, ... , The scientists, who report their findings in Nature ... understand how important anti-AIDS treatments can fail and could help ... "What we,ve found is the detailed way in which the ...
... help surgeons more accurately locate breast cancers, reduce the ... patients. Microscopic gas-filled spheres of silica, a porous glass, ... their position using ultrasound imaging in the operating room. ... at the University of California, San Diego, created the ...
... HealthDay Reporter , FRIDAY, Sept. 17 (HealthDay News) -- ... father are likely to reach puberty earlier than others, ... absence predicted earlier puberty, but it did not in ... "Girls in upper-income households without a father were at ...
Cached Medicine News:Health News:Early Trial Suggests COPD Drug Might Help Some Asthmatics 2Health News:Early Trial Suggests COPD Drug Might Help Some Asthmatics 3Health News:Higher incidence of seizures seen in children with H1N1 virus compared to seasonal flu 2Health News:Better marker for breast cancer may reduce need for second surgeries 2Health News:Absent Father Might Mean Earlier Puberty for Higher-Income Girls 2Health News:Absent Father Might Mean Earlier Puberty for Higher-Income Girls 3
(Date:12/24/2014)... Va. , Dec. 23, 2014  The ... diastolic blood pressure target for people with diabetes ... moderate or high doses of statins, in keeping ... management enacted by the American College of Cardiology ... are reflected in the most recent changes to ...
(Date:12/22/2014)... , Dec. 22, 2014  CytoSorbents Corporation ... its CytoSorb® blood purification technology to help fight ... in 28 countries worldwide, today announced the appointment ... MD, FACS, as its Senior Vice President of ... Dr. Di Russo is an ...
(Date:12/22/2014)... Research and Markets ( http://www.researchandmarkets.com/research/hmlfbq/investment ... "Investment Analysis of the US Medical Device Sector ... http://photos.prnewswire.com/prnh/20130307/600769 This ... sector identifies the key trends and rationale for ... mergers and acquisitions. The study will ...
Breaking Medicine Technology:New Standards of Care Provide Guidelines for Statin Use for People with Diabetes to Prevent Heart Disease 2New Standards of Care Provide Guidelines for Statin Use for People with Diabetes to Prevent Heart Disease 3New Standards of Care Provide Guidelines for Statin Use for People with Diabetes to Prevent Heart Disease 4CytoSorbents Appoints Dr. Gregory B. Di Russo as Senior Vice President of Clinical Development 2CytoSorbents Appoints Dr. Gregory B. Di Russo as Senior Vice President of Clinical Development 3CytoSorbents Appoints Dr. Gregory B. Di Russo as Senior Vice President of Clinical Development 4CytoSorbents Appoints Dr. Gregory B. Di Russo as Senior Vice President of Clinical Development 5Investment Analysis of the US Medical Device Sector 2
... China, March 23, 2011 /PRNewswire-Asia-FirstCall/ -- Huifeng Bio-Pharmaceutical Technology, ... or "the Company"), specializing in developing and producing botanical ... additives, today announced the appointment of Ms. Amy Xue ... "We are truly delighted that Ms. Xue will be ...
... March 23, 2011 Dr. Michael Hayden, a Xenon ... Gairdner Wightman Award for leadership in medical science in ... honour for Dr. Hayden, having previously been awarded the ... Canadian Institutes of Health Research,s Health Researcher of the ...
Cached Medicine Technology:Huifeng Bio-Pharmaceutical Technology Announces New Senior Vice President of Finance 2Xenon Chief Scientific Officer, Dr. Michael Hayden Receives Prestigious Award for Leadership in Medicine 2
... complete line of flowmeters, available in oxygen, air, heliox ... a variety of calibrations to best suit your application. ... gas in use, the Amvex Flowmeter is a user ... with I. For Power Take-Off add PT to the ...
0-3.5 LPM Oxygen Flowmeter with Chemetronmale inlet...
0-15 LPM Oxygen Flowmeter with Ohmeda male inlet...
(1/2-8 LPM), 50 psi, 1/ 8" NPT female back inlet...
Medicine Products: