Navigation Links
Super-sensitive tests could detect diseases earlier
Date:5/27/2012

vels of PSA at ultralow concentrations can be crucial in the early diagnosis of the reoccurrence of prostate cancer, but classic detection approaches are not sensitive enough to carry out this analysis with a high degree of accuracy. The new test could enable more reliable diagnosis, but more research will need to be done to further explore its potential.

In their study, the team detected PSA at 0.000000000000000001 grams per millilitre, which is at the limits of current biosensor performance. By comparison, an existing test called an Enzyme-Linked Immunosorbent Assay (ELISA) test can detect PSA at 0.000000001 grams per millilitre, which is nine orders of magnitude more concentrated.

The biosensors used in today's study consist of nanoscopic-sized gold stars floating in a solution containing other blood derived proteins. Attached to the surface of these gold stars are antibodies, which latch onto PSA when they detect it in a sample. A secondary antibody, which has an enzyme called glucose oxidase attached to it, recognises the PSA and creates a distinctive silver crystal coating on the gold stars, which is more apparent when the PSA biomarkers are in low concentrations. This silver coating acts like a signal that PSA is present, and it can be easily detected by scientists using optical microscopes.

The next stage of the research will see the team carrying out further clinical testing to assess the efficacy of the biosensor in detecting a range of different biomarkers associated with conditions such as HIV and other infections. They will also explore ways of commercialising their product.
'/>"/>

Contact: Colin Smith
cd.smith@imperial.ac.uk
44-020-759-46712
Imperial College London
Source:Eurekalert

Page: 1 2

Related medicine news :

1. PERSONALABS Offers Discounted Healthy Heart Online Blood Tests in February
2. In Tests, Implanted Monitor Detects Atrial Fibrillation
3. Johns Hopkins scientists develop personalized blood tests for cancer using whole genome sequencing
4. Tests to Measure Safety of Anti-Clotting Drugs of Limited Value
5. Costly tests may not help detect bladder cancer recurrence, M. D. Anderson study finds
6. Autism Consortium study in Pediatrics shows CMA finds more genetic abnormalities than current tests
7. Online, Phone Tests Assess Diabetes Risk
8. Blood test identifies people at risk for heart attack that other tests miss
9. Despite tests, high blood pressure hard to recognize in children
10. Concerns over radiation exposure may overshadow life-saving benefits of cardiac imaging tests
11. Newborn infants learn while asleep; study may lead to later disability tests
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/31/2015)... Chicago, IL (PRWEB) , ... July 31, 2015 , ... ... which is currently going on in Chicago at Grant Park. The festival ... every corner of North America to Chicago for the annual Lollapalooza. This unique ...
(Date:7/31/2015)... ... July 31, 2015 , ... ... run by GoodThreads. The store can be accessed by visiting http://www.curemeso.org/store . ... which are customizable. The best part: whenever a product is purchased, the Meso ...
(Date:7/31/2015)... ... July 31, 2015 , ... There’s no better way to enjoy ... comes time to cook the next meal, making July the most appropriate to be ... grilling tips and recipes. , Make the next cookout different than the ones in ...
(Date:7/31/2015)... ... , ... Coco Libre announced today that their flagship Organic Coconut Water will ... US Open of Surfing, July 25 through August 2 in Huntington Beach, California. Coco ... market, is a natural choice given the Open’s commitment to sustainable practices. , ...
(Date:7/31/2015)... ... 31, 2015 , ... According to the article published July 27 on My News ... contained and extinguished by the city’s fire department before it caused major damage throughout the ... of the fire, and it was a fire alarm system that tipped off fire fighters ...
Breaking Medicine News(10 mins):Health News:Cheap 2015 Lollapalooza Tickets: Ticket Down Slashes Ticket Prices on Lollapalooza Tickets at Grant Park in Chicago for Saturday, August 1st and Sunday, August 2nd 2Health News:Mesothelioma Organization Launches New Store 2Health News:Mesothelioma Organization Launches New Store 3Health News:King Kullen Honors National Hot Dog and Blueberry Month 2Health News:King Kullen Honors National Hot Dog and Blueberry Month 3Health News:Coco Libre Brings Eco-conscious Hydration to Vans US Open of Surfing 2Health News:Article on Recent Pasadena Courtroom Fire Highlights the Effectiveness of Fire Alarm Systems, Says Fire Protection Group Inc 2Health News:Article on Recent Pasadena Courtroom Fire Highlights the Effectiveness of Fire Alarm Systems, Says Fire Protection Group Inc 3
... University at Buffalo researcher John Violanti, Ph.D., a ... conduct a study on suicide risk among returning veterans. ... the number of soldiers taking their own lives., Violanti ... how quickly persons associate feelings of self-harm, as a ...
... 6 Masimo Corporation (Nasdaq: MASI ), ... Low-Perfusion pulse oximetry, today announced that its management is ... Annual OC Growth Stock Conference at The Ritz-Carlton, Laguna ... 2009, at 11:00 a.m. PT. A live audiocast of ...
... 6 Optimal Reading Services Group, Inc., ... and radiology group practices, announced that its chief executive ... Global Healthcare Services Conference on Monday, February 9, 2009 ... in New York City.Optimal leverages a deep pool of ...
... Study finds great inactivity and little encouragement for kids ... -- Even when they,re playing outside, children tend not ... says. , In fact, the researchers found that ... 5-year-olds was found to be sedentary at community-based preschool ...
... PA -- For years controversy has surrounded whether electronic ... cut medical errors, and reduce healthcare costs. Now, researchers ... discovered a way to get another bonus from the ... treatments for disease. , In the first ...
... VOLC ), a leader in the development, manufacturing ... coronary and peripheral artery,disease, today announced that it will ... of fiscal 2008 on Tuesday, February 17. , ... call to discuss its financial results,and operating activities open ...
Cached Medicine News:Health News:Masimo to Present at the Roth Capital Partners 21st Annual OC Growth Stock Conference 2Health News:Optimal Readings to Present at 2009 UBS Global Healthcare Services Conference 2Health News:For Preschoolers, Even 'Play' Tends to Be Sedentary 2Health News:Penn study shows how electronic medical records can be used to test drug efficacy 2Health News:Penn study shows how electronic medical records can be used to test drug efficacy 3Health News:Volcano Corporation Schedules Fourth Quarter Conference Call, Webcast 2
(Date:7/30/2015)... -- Tianyin Pharmaceutical Inc. (NYSE Amex: TPI ) ... patented biopharmaceutical, modernized traditional Chinese medicine (mTCM), branded generics ... notice it received on May 21, 2015 from the ... was below certain of the Exchange,s continued listing standards, ... the NYSE MKT Company Guide, due to the delay ...
(Date:7/30/2015)... -- Growth of the U.S. nonprescription market is primarily driven ... to the OTC market. Due to an increasingly favorable ... activity over the next five years with several all ... entering the market into existing categories. If ... those with low to moderate likelihood), the market is ...
(Date:7/30/2015)... 30, 2015  Medimetriks Pharmaceuticals, Inc. announced today ... III clinical study for Ozenoxacin, a novel bactericidal ... the exclusive U.S. rights to Ozenoxacin 1% cream.  ... 44 centers with an emphasis on U.S. patients, ... months and older with a clinical diagnosis of ...
Breaking Medicine Technology:TPI Provides Update Regarding Non-Compliance with NYSE MKT Continued Listing Requirements 2Rx-to-OTC Switches -- Game Changers for the U.S. OTC Drugs Market through 2019, Sees Kline 2Rx-to-OTC Switches -- Game Changers for the U.S. OTC Drugs Market through 2019, Sees Kline 3Medimetriks Pharmaceuticals, Inc. Announces Completion of the Second Successful Pivotal Phase III Study for Ozenoxacin 2Medimetriks Pharmaceuticals, Inc. Announces Completion of the Second Successful Pivotal Phase III Study for Ozenoxacin 3
... Jan. 16 Cogentus Pharmaceuticals,Inc. today announced ... study to confirm,the full antiplatelet activity of ... once-daily capsule that combines clopidogrel (currently,marketed by ... with,a gastroprotectant (omeprazole) to improve the gastrointestinal ...
... FRANCISCO, Calif., Jan. 16 Cerimon,Pharmaceuticals, Inc., announced ... II/III clinical studies of its once-,daily topical diclofenac ... One,of the studies, designated the "SUPPORT" (Stop Underlying ... study, will assess the,efficacy and safety of Cerimon,s ...
Cached Medicine Technology:Cogentus Pharmaceuticals Begins Clinical Study to Confirm the Full Antiplatelet Benefit of New Combination Medicine CGT-2168 2Cerimon Pharmaceuticals Initiates Phase II/III Clinical Studies to Evaluate its Diclofenac Patch for Mild to Moderate Pain 2Cerimon Pharmaceuticals Initiates Phase II/III Clinical Studies to Evaluate its Diclofenac Patch for Mild to Moderate Pain 3
... Helmer Platelet Agitators feature ... with non-slip texture coating ... circulation for your platelets. ... to be used in ...
... Helmer platelet agitators offer a wide range ... allow the drawer storage platform to agitate ... which wear down and squeak. Sturdy, one-piece ... uniform air circulation for your platelets., ,i.Series ...
Platelet agitator....
EIA Kit for the detection of progesterone....
Medicine Products: