Tracers

CSHL neuroscientists propose project to comprehensively map mammalian brain circuits

...racers, which are actively transported within individual nerve cells. These tracers may be "conventional" molecules that have been used by neuroanatomists over...minals to potentially distant cell bodies or vice-versa. Together, the tracers will provide a view of the pattern of inputs and outputs for a given site i...

Meeting to examine FDA requirements for manufacturing PET radiopharmaceuticals

...ulations for PET compounding. Joseph Hung, Mayo Clinic, along with other distinguished speakers, will address the critical necessity of developing new tracers and radiopharmaceuticals in compliance with FDA's current good manufacturing practice (CGMP) and chemistry, manufacturing and control (CMC) regulation...

Open cancer surgery set to become a thing of the past

... the design phase. The diagnosis and treatment of cancer could, according to Beekman, be greatly improved by sharper SPECT images of patients. Various tracers mean that metastases, for example, are visible more quickly. We also hope that the effectiveness of chemotherapy can be seen very soon after beginning...

Cancer research highlights

...er. To visualize the tumors' oxygen environments they radioactively labeled tracers and gave them intravenously to patients. The tracers were detected and displayed as an image by a technology known as 18F-fluoro...

Erectile dysfunction drugs allowed more chemotherapy to reach brain tumors in laboratory study

...the dose range approved for erectile dysfunction in humans, there were no detectable side effects in the rats, and neither drug increased transport of tracers into normal brain tissue. ...

Brookhaven scientists explore brain's reaction to potent hallucinogen

...ug itself. The Brookhaven team plans to conduct further studies related to salvias abuse potential. The scientists also hope to develop radioactive tracers that can better probe the brain receptors to which salvia binds. Such studies could possibly lead to therapies for chronic pain and mood disorders. ...

Peacetime use of radioisotopes at Oak Ridge cited as Chemical Landmark

...ultitude of uses in diagnostic imaging, and other radioisotopes are used as tracers in biological systems. These tracers are generally short-lived radioisotopes. Plant hybridizers used radioiso...

NuView Radiopharmaceuticals, Inc. Secures Exclusive Rights From Thomas Jefferson University for a Tumor-Specific Imaging Agent for the Diagnosis of Breast and Prostate Cancers

...California, San Diego Medical Center. "If the Jefferson technology works as well as we hope, it will usher in a whole new generation of diagnostic PET tracers for imaging breast and prostate carcinoma using PET-CT or PET-MR in the future. The improved sensitivity and specificity of these new agents should le...

Researchers train the immune system to deliver virus that destroys cancer in lab models

...act T-cells from patients, attach the virus and inject the cells back into the patients. Doctors currently use a similar process to attach radioactive tracers to T-cells when trying to find the source of an infection in patients. This is technology that is relatively easy to translate to humans because i...

SNM ad urges congress to fund nuclear medicine research

...get cuts. It reminds legislators that previous funding over the past 50 years has produced state-of-the-art imaging equipment (like PET and SPECT) and tracers to pinpoint and treat cancers and heart and brain diseases for more than 20 million patients annually. SNM is urging legislators not to throw away the...

Tracers in Medical Technology

Michael J. Fox Foundation Awards $2.1 Million to Improve Drug Delivery in Parkinson's Disease

...ir Jafri, Ph.D., University of Maryland, Baltimore , and Cha-Min Tang, M.D., Ph.D., University of Maryland School of Medicine Utilizing Novel tracers to Determine the Distribution of Therapeutic Agents In Vivo RamakrishnaVenugopalan, Ph.D., Codman and Shurtleff, Inc. Deep Brain Imaging to D...

Markers in Blood and Spinal Fluid, and a New Imaging Agent, Show Promise for Early Detection of Alzheimer's

...ipant received a single intravenous injection of one of the compounds followed by PET imaging. People with Alzheimer's showed retention of all three tracers in brain areas expected to be high in amyloid. In contrast, cognitively healthy volunteers showed rapid removal of the tracers, with minimal retention...

New Discovery of Key Difference in Bile Acid Metabolism in Patients with Type 2 Diabetes May Suggest Underlying Disorder

...r fasting glucose as well as triglyceride levels. In the study, bile acid tracers were given to the men after they had eaten their evening meal. The research...od samples at 13, 17.5, 24, 37, 46, 63, 70 and 91 hours after the bile acid tracers were administered. No differences between the two groups were observed for ...

Researchers Train the Immune System to Deliver Virus That Destroys Cancer in Lab Models

...act T-cells from patients, attach the virus and inject the cells back into the patients. Doctors currently use a similar process to attach radioactive tracers to T-cells when trying to find the source of an infection in patients. "This is technology that is relatively easy to translate to humans because ...

Appendicitis: Evolving Tools to Diagnose a Classic Disease

...nts (16.7%) developed such antibodies, but they had no detectable clinical effects. NeutroSpec technology may also blaze the trail for in vivo tracers in other conditions such as osteomyelitis and fever of unknown origin (FUO). Meanwhile, clinicians have new options to deal with the classic yet diag...

Tracers in Medical Products

Symbia T, TruePoint SPECTCT system

Features:...confidence by allowing physicians to review accurately registered SPECT and high quality CT anatomical images Effective imaging of the new targeted tracers and agents ...
Company:Siemens Medical Solutions USA, Inc.

Symbia T2, True Point SPECTCT system

Features:...nal CT in less than 13 seconds. Stand-alone routine CT applications. Dual slice 0.8 second rotation. Effective imaging of the new targeted tracers and agents. Precise localization of the very specific functional information. Accurate registration between anatomy and function improves lesi...
Company:Siemens Medical Solutions USA, Inc.

Symbia T6, True Point SPECT·CT system

Features:...ominal CT in less than 6 seconds. Stand-alone advanced CT applications. 6 slice 0.6 second rotation. Effective imaging of the new targeted tracers and agents. Precise localization of the very specific functional information. Accurate registration between anatomy and function improves lesi...
Company:Siemens Medical Solutions USA, Inc.

Symbia T6, TruePoint SPECT·CT system

Features:...ominal CT in less than 6 seconds. Stand-alone advanced CT applications. 6 slice 0.6 second rotation. Effective imaging of the new targeted tracers and agents. Precise localization of the very specific functional information. Accurate registration between anatomy and function improves lesi...
Company:Siemens Medical Solutions USA, Inc.

Tracers in Medical Dictionary

Bone scan

... bone scans include: ... Bone scans are a useful tool for diagnosing spine disorders and spine conditions. ... To start the bone scan , tracers are injected into a vein in your arm. ... A bone scan can often find a problem days to months earlier than a regular X-ray ... See a picture...

Tracers in Biological News

August 2009 Geology and GSA Today media highlights

...the role of anthropogenic activities in the production of these dust particles. Li et al. constrain the origin of dust-storm particles by the isotopic tracers of neodymium and strontium. They collected samples of loess -- a natural eolian deposit of East Asia dust that has accumulated over the past few milli...

Extraterrestrial platinum was 'stirred' into the Earth

...smium, we also now have a new framework for understanding the variations in isotopic ratios of osmium with time. Osmium isotopes are widely used as tracers of mantle processes, but there has been a mismatch between signals from osmium and from other important isotopic tracer systems which has eluded expla...

DOE-funded research projects win 46 R&D 100 Awards for 2009

...rgy Technology Laboratory (Pittsburgh, Pa. and Morgantown, WV ) http://fossil.energy.gov SEQURETM Tracer Technology - uses perfluorocarbon tracers for ultra-sensitive detection of carbon dioxide leakage from geologic storage reservoirs. Clay-Liquid Carbon Dioxide Removal Sorbent - a low-cost,...

AGU journal highlights: Nov. 11, 2008

.... analyze observations of ozone concentrations during the fires with global chemistry transport model simulations. These simulations include synthetic tracers that provide information about the amount of ozone produced from the fires. The authors find that the global model fits well with local observations a...

Deep biosphere research points to new methods for recovering petroleum

... that many microbes need to survive. "By understanding organic synthesis reactions in the deep biosphere, we may find better organic and inorganic tracers to aid in finding petroleum resources and recovering them in more environmentally friendly ways," says Williams. ...

Syntermed licenses Emory ERTb software for enhanced cardiac imaging

...ifying the distribution of radionuclides in the body that are used to label molecules, drugs, antibodies, neurotransmitters and other compounds. These tracers are used to detect biochemical and physiologic processes that may signal the early progression of coronary artery disease. ERTb, which can be used...

UMCES-led research team quantifies nutrient pollution reductions from urban stream restoration

...help improve water quality in our urban environment. Using state-of-the-art techniques in a long-term study, Kaushals team injected stable isotope tracers into restored and unrestored sections of an urban stream, and measured how microbes in the streambanks naturally absorb nitrate and convert it into in...

Research team finds that microorganisms filter nitrogen from small streams

...ect is that we all did the same experiments everywhere," he said. The researchers looked at dynamics of nitrogen in streams, using special nitrogen tracers analyzed by mass spectrometry to see how far nitrogen travels through waterways. "When trying to account for nitrogen, we see that not all of it ma...

Positron emission tomography superior to standard evaluation tools in measuring treatment response

...ture of cancer imaging, he said. Eilber and his team already are working to confirm their results in a larger study and are testing new metabolic tracers to assess treatment response. The study represented a true multidisciplinary effort, Eilber said. Experts from surgery, medical oncology, radiolog...

HIV protein enlisted to help kill cancer cells

....D. professor of radiology, they are linking the anticancer proteins to tracer molecules that selectively bind to cancer cells. "Dr. Mach designed tracers to visualize cancer in PET (positron emission tomography) scans," Hawkins says. "By binding our molecules to the tracers, we can deliver them to cance...

Tracers in Biological Technology

Receptor Binding Assays using Fluorescence Polarization Detection: the [FP]2TM Characterized Tracers

A. Gagne, E. Robitaille, M. Harvey, J.-A. St. Pierre, D. Wenham and P. Banks Introduction High throughput screening is an indispensable tool for modern drug discovery 1-3 . The process is typically highly automated and can provide screening rates over 100,000 sample...

New NIST mini-sensor may have biomedical and security applications

...ifiable with a magnetometer sensitivity of 70 femtotesla per root Hertz.) MCG and MEG offer the advantage of not requiring contrast agents or injected tracers as do other medical procedures such as MRI or positron emission tomography (PET). Potential NIST collaborators are interested in making a portable...

Laser Capture Microdissection (LCM) and Expression Profiling of Long-Range Projection Neurons

...e describe a method that uses fluorescent neuronal tracers as markers for microdissecting cell bodies by LCM ... and Reagents I. STEREOTAXIC INJECTION OF tracers ◊ Stereotaxic apparatus for t..., retrogradely transported neuronal tracers. These tracers accumulate outside the nucleus of the cell body, w...

Tracers in Biological Products

Gel / Mount mounting medium - fluorescence from GeneTex

Description:...nce-stained tissue sections. Gel/Mount is especially recommended when using tracers containing phycoerythrin, phycocyanin, allophycocyanin or FluoroBlue. It can also be used with conventional fluorescent tracers such as fluorescein (FITC), Rhodamine (TMRITC) and Texas Red. Gel/Mount is ...
Company:GeneTex

Midgard Prec Current Source from Stoelting Co.

Description:... The latest generation of the popular precision current source, designed at M.I.T. for the iontophoresis of neural transport tracers such as horseradish peroxidase (HRP) or tritiated amino acids into neural tissue, is now available from Stoelting. It may also be used to make small l...
Company:Stoelting Co.

Tracers in Biological Definition

Biotechnology

.... There are also applications of biotechnology that do not use living organisms . Examples are DNA microarrays used in genetics and radioactive tracers used in medicine. Modern biotechnology is often associated with the use of genetically altered microorganisms such as E. coli or yeast for the pro...