tomography in Biological News

Early detection of lung cancer: New data presented at multidisciplinary meeting

... Italian researchers compare two computed tomography techniques for diagnosing indeterminate lung ... that a form of single-photon emission computed tomography could offer an alternative method in situations where positron emission tomography is not available. In another abstract, UK ...

OSA's ISP launches with research on breathing disorders and congenital heart defects

... technique, called anatomical optical coherence tomography (aOCT), can accurately measure the shape, ... Sampson, "Applying anatomical optical coherence tomography to quantitative 3D imaging of the lower airway," ... Izatt, "In vivo spectral domain optical coherence tomography volumetric imaging and spectral Doppler ...

Caltech biologists spy on the secret inner life of a cell

... a technique called electron tomography. Electron tomography is an offshoot of electron microscopy, a ... X-ray images are collated in a computerized tomography (CT) scan. "You can get an idea of movement in ... invade cells and cause disease. The electron tomography images revealed that the FcRn/antibody complexes ...

American Chemical Society's Weekly PressPac -- Sept. 24, 2008

... Reviews A new version of the computerized tomography (CT) scan, which revolutionized medical imaging ... in which scientists use X-ray microcomputer tomography to study biomineralization, the process in which ... shells, and other hard structures. Microcomputer tomography is the high-resolution version of conventional ....

US Air Force technology helps scientists understand plant root function

... and potential applications of thermal neutron tomography and evaluates its sensitivity, with particular ... the successful application of neutron computed tomography (NCT), with images showing spatially variable ... tedious, and difficult to interpret, neutron tomography is a non-invasive imaging method that measures ...

The top 5 ways medical physics has changed health care

... magnetic resonance imaging (MRI), computerized tomography (CT) scanning, nuclear medicine, positron emission tomography (PET) scanning, and various radiotherapy ... in people of all ages is positron emission tomography (PET). This technique uses short-lived ...

22nd Congress of the European College of Neuropsychopharmacology, Sept. 12-16, 2009, Turkey

... including functional magnetic resonance imaging (fMRI), positron emission tomography (PET) and single-photon emission computed tomography (SPECT). Contrary to previous concepts, recent research has proven that ...

Tiny details in three dimensions

... original condition / Resolution up to 5 nanometers In cryo-electron tomography the organism is shock frozen so that its original condition is retained. ... with the step from simple x-ray images to three-dimensional computer tomography in clinical diagnostics," stated Dr. Frischknecht. The bacteria have ...

Novel technique for fluorescence tomography of tumors in living animals

... imaging of the tumor tissue. Comparison with conventional x-ray tomography showed, that EPT is not only a very sensitive technique for imaging of ... method for significantly improving the performance of fluorescence tomography in animals over existing implementations. At present EPT is practicable ...

Mechanisms of cardiovascular disease and cancer give clues to new therapies

... in studying both types of disease in the laboratory. Positron electron tomography in particular has been used in both fields, producing images of the body region, such as a tumour, under study. "The Positron Electron tomography Laboratory started years ago has been used to study the field of cardiac ...

International TGen-led team finds link between brain protein and Alzheimer's disease

... disorder. Using a brain imaging technique called positron emission tomography (PET) to find that cognitively-normal, late-middle-aged people lacking the ... by the disease -- the primary visual cortex. Positron Emission tomography scans PET scans of 67 non-carriers of the KIBRA T-allele, and 69 ...

AGU journal highlights -- Aug. 6, 2009

... challenging task. On the basis of comparisons of geodynamic Earth models, which include detailed mineralogical information on mantle elasticity, with tomography studies, Schuberth et al. show that stark lateral temperature variations occur deep in the mantle and that these are consistent with a variety of ...

Reducing risk of hospitalization in the elderly

... decline and disability. "Most methods of measuring muscle mass or density rely on complex imaging procedures, such as using quantitative computed tomography (QCT). Those are time consuming and expensive," says Cawthon. "However, we found that much simpler methods such as measuring walking speed are much ...

Dolphins get a lift from delta wing technology

... in the same way as delta wing aircraft on 26 June 2009 in The Journal of Experimental Biology at http://jeb.biologists.org . Using Computer tomography scanning of the fins of seven different species ranging from the slow swimming Amazon River dolphin and pygmy sperm whale to the super-fast striped ...

A urine test for appendicitis?

... LRG urine assays and further validate their findings. "Recent diagnostic advances have focused on advanced radiologic procedures, such as computed tomography and ultrasound, but these resources are not universally available and can delay diagnosis," says Bachur. "Although these advances have improved the ...

Size did matter

... scale, the internal anatomy of exceptional fossils without damaging them. "Holotomography is a non-destructive imaging technique like computer tomography (CT), but we use powerful and coherent synchrotron X-rays leading to a sensitivity thousand times higher," explains Paul Tafforeau of ESRF. "It is ...

From cars to cancer: UH professor employs auto industry tools for tumor therapy

... patients will undergo a minimum number of CT scans, and the radiation plans will be developed using the predictive models." Traditional computed tomography sessions, also known as CT scans, require a large series of two-dimensional X-ray images that, when combined, provide detailed three-dimensional ...

Publication sets guidelines across cancer therapies: Ensuring the best in patient management

... of Nuclear Medicine is a unique reference tool presenting the most up-to-date information about the use of fluorodeoxyglucose and positron emission tomography (FDG PET) for monitoring therapy and treatment of many different cancers. Internationally recognized PET imaging specialists and oncologists ...

Fossils suggest earlier land-water transition of tetrapod

... to remove them -- an action that would have destroyed much of the evidence -- the researchers studied the fossils inside the stone with computed tomography (CT) scanning. Callier "reconstructed" the animals using imaging software (Amira and Mimics) to analyze the CT scans, focusing on the shapes of the ...

Difference in fat storage may explain lower rate of liver disease in African-Americans

... in the year 2000, more than 2,100 participants provided blood samples and underwent multiple body scans with magnetic resonance imaging and computed tomography to examine the liver, heart and other organs. Body composition, including fat distribution, also was scrutinized. The study found that ...

Freezing kidney cancer: Hot treatment should be new gold standard for destroying small tumors

... 101 percutaneous cryoablations on 91 patients who either couldn't undergo surgery or elected the interventional radiology treatment. Using computed tomography (CT) imaging, researchers could view tumors and probes in real time. Interventional cryoablation "has an excellent safety profile," said Georgiades. ...

Famous fossil Lucy scanned at the University of Texas at Austin

... associate professor of geological sciences in the Jackson School of Geosciences and director of the university's High-Resolution X-ray Computed tomography Facility, one of the world's premier labs for this work. Scientists at the facility have scanned thousands of delicate fossils and biological ...

Novel technique changes lymph node biopsy, reduces radiation exposure

... Information obtained from a new application of photoacoustic tomography (PAT) is worth its weight in gold to breast cancer patients. For the first time, Lihong Wang, Ph.D., Gene K. Beare Distinguished Professor in ...

Novel technique changes lymph node biopsy, reduces radiaiton exposure

... Information obtained from a new application of photoacoustic tomography (PAT) is worth its weight in gold to breast cancer patients. For the first time, Lihong Wang, Ph.D., Gene K. Beare Distinguished Professor in ...

January-February GSA Bulletin media highlights

... from standard karst flow-system paradigms, which describe groundwater movement through fractures and cavernous dissolution features. X-ray computed tomography scans of samples of this type of macroporosity and surrounding limestone matrix were used by Cunningham et al. in lattice Boltzmann computer ...

January GEOLOGY media highlights

... Valley caldera unrest from 1980 through early 2000. Pore-pressure migration along a normal-fault system resolved by time-repeated seismic tomography Claudio Chiarabba et al., Istituto Nazionale di Geofisica e Vulcanologia, via di Vigna Murata 605, 00143 Rome, Italy. Pages 67-70. In this ...

UC Davis team refines cancer treatments to reduce potential nerve damage

... step-by-step techniques for identifying the brachial plexus complex using common anatomical "bench posts" that are easily visible with computed tomography scans commonly used for treatment planning. He then designed delivery contours for intensity-modulated radiation therapy treatments to avoid those ...

Wake Forest plays integral role in effort to revolutionize vehicle safety

... the regional COEs to form a virtual full-body model. Using medical imaging techniques including Magnetic Resonance Imaging (MRI), Computerized Axial tomography (CAT or CT), and laser surface scanning, the integration center will provide detailed anatomy and geometry for the computer model. "Our job is ...

When the ill need protection from the cure

... contexts, like diagnostic and interventional radiology, radiotherapy, nuclear medicine, cardiology and positron emission tomography/computed tomography (PET/CT) scanning. According to a report by the UN Scientific Committee on the Effects of Atomic Radiation in 2000, patients are exposed to about ...

12-month ATLANTA trial data show sustained benefit of Catania Stent

... after stent implantation and at 6-month follow-up. Further analysis of 1,904 cross sections (19,028 struts) by investigators using Optimal Coherence tomography at baseline and again at 6-month follow-up in a subset of 15 randomly selected patients revealed complete endothelialization and 99.5 percent stent ...

Penn presents inaugural symposium on applied mathematics and computational science

... WHAT: From radar to GPS, X-ray tomography to Google searches, higher mathematics and computation are the warps in the fabric of the modern world. The University of Pennsylvania's new ...

New technique sees into tissue at greater depth, resolution

... effects of anti-cancer agents on the blood vessels that nourish tumors. The Duke bioengineers combined tightly focused heat with optical coherence tomography (OCT), which has often been called the optical equivalent of ultrasound. OCT is commonly used in medical clinics where imaging at the highest ...

Great white's mighty bite revealed

... They generated 3-Dimensional models the skull of a 2.4-metre male great white shark on the basis of multiple x-ray images generated by a computerized tomography (CT) scanner. Using novel imaging and analysis software and a technique known as "finite element analysis", the team reconstructed the great ...

August 2008 Geology and GSA Today media highlights

... as immiscible liquid droplets within spectacularly hot, fluid magmas called komatiites. Barnes et al. have applied the technique of X-ray computed tomography (CAT or CT scanning), common in medical applications, to investigate the size and shape of these sulphide liquid droplets, and they have come to ...

NIH awards more than $33 million to fund state-of-the-art research equipment

... at the University of Pittsburgh, for example, will benefit from the latest hybrid imaging technology - a new system that combines positron emission tomography (PET) with magnetic resonance imaging (MRI) into one hybrid system. Immediately benefitting 11 NIH-funded research projects as a shared resource, ...

UCLA researchers locate and image prostate cancer as it spreads to lymph nodes

... an engineered common cold virus, UCLA researchers delivered a genetic payload to prostate cancer cells that allowed them, using Positron Emission tomography (PET), to locate the diseased cells as they spread to the lymph nodes, the first place prostate cancer goes before invading other organs. The ...

Weight Watchers vs. fitness centers

... body composition the Bod Pod to look at what type of weight was lost: lean or fat." In addition, Ball said the study was novel because Computer tomography (CT scans) were used to investigate changes in abdominal fat, which is more predictive of cardiovascular disease. Although the fitness center group ...

UCLA researchers develop new PET scanning probe that will allowing monitoring of the immune system

... Researchers at UCLA's Jonsson Comprehensive Cancer Center have modified a common chemotherapy drug to create a new probe for Positron Emission tomography (PET), an advance that will allow them to model and measure the immune system in action and monitor response to new therapies. The discovery, ...

Biogas production is all in the mixing

... developed a unique mutiple-particle, computer-automated radioactive particle tracking system, computational fluid dynamics and gamma ray computed tomography to see where and under what conditions biochemical stagnant or dead zones occurred. They also analyzed mixing systems, hydrodynamics, shear effect ...

Biomarkers allow doctors to match therapy to patient

... and 19 patients with non-small cell lung cancer. The researchers also monitored plasma levels of VEGF. They assessed tumor response with computed tomography scans according to the RECIST criteria. This is the first study to assess the kinetics of ccEPCs together with other circulating cells in the ...