Navigation Links
New computer-tomography method visualizes nano-structure of bones
Date:9/22/2010

mber of such pictures are then used to generate digital 3D images of the body's interior using image processing.

The newly developed method measures not only the overall beam intensity absorbed by the object under examination at each angle, but also those parts of the X-ray beam that are deflected in different directions "diffracted" in the language of physics. Such a diffraction pattern is generated for every point in the sample. This supplies additional information about the exact nanostructure, as X-ray radiation is particularly sensitive to the tiniest of structural changes. "Because we have to take and process so many individual pictures with extreme precision, it was particularly important during the implementation of the method to use high-brilliance X-ray radiation and fast, low-noise pixel detectors both available at the Swiss Light Source (SLS)," says Oliver Bunk, who was responsible for the requisite experimental setup at the PSI synchrotron facilities in Switzerland.

The diffraction patterns are then processed using an algorithm developed by the team. TUM researcher Martin Dierolf, lead author of the Nature article, explains: "We developed an image reconstruction algorithm that generates a high-resolution, three-dimensional image of the sample using over one hundred thousand diffraction patterns. This algorithm takes into account not only classical X-ray absorption, but also the significantly more sensitive phase shift of the X-rays." A showcase example of the new technique was the examination of a 25-micrometer, superfine bone specimen of a laboratory mouse with surprisingly exact results. The so-called phase contrast CT pictures show even smallest variations in the specimen's bone density with extremely high precision: Cross-sections of cavities where bone cells reside and their roughly 100 nanometer-fine interconnection network are clearly visible.

"Although the new nano-CT procedure does not achieve the spatial resolutio
'/>"/>

Contact: Dr. Andreas Battenberg
battenberg@zv.tum.de
49-892-891-0510
Technische Universitaet Muenchen
Source:Eurekalert  

Page: 1 2 3

Related biology technology :

1. Medicago discovers breakthrough method of preparing plant derived recombinant proteins and VLPs and files two PCT patent applications
2. Penn collaboration leads to simpler method for building varieties of nanocrystal superlattices
3. Researchers at Rensselaer Polytechnic Institute develop new method for mass-producing graphene
4. Researchers develop ultra-simple method for creating nanoscale gold coatings
5. Liquid method: pure graphene production
6. Farmers Use Sustainable Farming Methods to Meet Global Food Demand
7. New method makes vaccines stable at tropical temperatures
8. ClearTrial Selected to Provide Methodologies for Accurately Forecasting and Budgeting Clinical Spend and Integrated Financial Controls at CBI Conference
9. Prototype NIST method detects and measures elusive hazards
10. Forensic Scientists at Kansas City Crime Lab Release Validation Report Confirming Zygems forensicGEM(R) Kit is a Reliable, Rapid Method for Extracting DNA From Saliva
11. Scientists develop novel method to generate functional hepatocytes for drug testing
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
New computer-tomography method visualizes nano-structure of bones
(Date:8/29/2014)... , Aug. 29, 2014 /PRNewswire/ - iCo Therapeutics ... today reported financial results for the six months ... are expressed in Canadian dollars and presented under ... Quarter 2014 Highlights , Announced top-line ... (VA) primary endpoint for subjects enrolled in the ...
(Date:8/29/2014)... Due to a misstatement posted by the ... Cell Technology Center, LLC ( ASCTC ) was reported as ... that might benefit ALS patients. Because of ASCTC's exclusive ... technologies and therapeutic applications, FRC listed ASCTC as one of ... who wish not to support research that requires the death ...
(Date:8/28/2014)... (PRWEB) August 28, 2014 SPIE Fellow ... Physics and Optical Science and Director of the Center ... North Carolina at Charlotte, and co-founder and Chairman of ... serve as the 2015 Vice President of SPIE, the ... President Philip Stahl announced recent election results at the ...
(Date:8/28/2014)... “This kit has an improved extraction efficiency and provides users ... said Mark Tess, PhD, Mycotoxin Product Manager for Charm Sciences. ... USDA-GIPSA inspection agencies that have a need to detect aflatoxin ... a matter of minutes with nothing but our equipment and ... grain before accepting it, but they no longer have to ...
Breaking Biology Technology:iCo Therapeutics Announces Second Quarter 2014 Financial Results 2iCo Therapeutics Announces Second Quarter 2014 Financial Results 3iCo Therapeutics Announces Second Quarter 2014 Financial Results 4The Adult Stem Cell Technology Center, LLC Declines ALS Ice Bucket Challenge Donors Wishing to Support Ethical Research for New Stem Cell Therapies 2The Adult Stem Cell Technology Center, LLC Declines ALS Ice Bucket Challenge Donors Wishing to Support Ethical Research for New Stem Cell Therapies 3Glenn Boreman, UNC Professor and Plasmonics Co-Founder, Elected to SPIE Presidential Chain 2
... SAN DIEGO, Jan. 13 NexBio, a privately held ... that David Wurtman, MD, MBA, Vice President of Corporate ... 2009 Biotech Showcase in San Francisco, CA, on January ... to save lives and to improve the quality of ...
... BOSTON, Jan. 13 Johnston Blakely & Company, ... to announce that Michael,D. Webb has joined the ... Mr. Webb will,participate with the firm on internal ... and private equity placements, with a,particular focus on ...
... HOPE, Pa., Jan. 13 Jubilant Organosys,Ltd., ... today that its,Bangalore-based subsidiary, Jubilant Biosys Ltd., ... BioLeap, LLC, USA. Under this partnership, ... computational fragment,based drug design platform with Jubilant,s ...
Cached Biology Technology:NexBio to Present at 2009 Biotech Showcase 2NexBio to Present at 2009 Biotech Showcase 3Jubilant and BioLeap Announce New Partnership in Drug Discovery 2Jubilant and BioLeap Announce New Partnership in Drug Discovery 3
(Date:8/29/2014)... Kansas City, MO. - In a cell,s nucleus, ... known as histones, an amalgam biologists call chromatin. ... as a nuclear "sidekick," the mere packing material ... Recently, however, biologists have developed a greater appreciation ... In 2012, investigators from multiple research institutions studying ...
(Date:8/28/2014)... America (ESA) is pleased to announce the selection of ... Society. Honorary Membership acknowledges those who have served ESA ... the affairs of the Society that has reached an ... the ESA Governing Board and then voted on by ... the Awards Ceremony at Entomology 2014, ESA,s Annual Meeting ...
(Date:8/28/2014)... traditional cigarettes, but still release toxins into the ... , Scientists studying secondhand smoke from e-cigarettes discovered ... particles, with close-to-zero exposure to organic carcinogens. However, ... second-hand e-cigarette smoke were found to be significantly ... of polycyclic aromatic hydrocarbons cancer-causing organic compounds ...
Breaking Biology News(10 mins):'K-to-M' histone mutations: How repressing the repressors may drive tissue-specific cancers 2'K-to-M' histone mutations: How repressing the repressors may drive tissue-specific cancers 3Fred Baxendale selected as Honorary Member of the Entomological Society of America 2Second-hand e-cig smoke compared to regular cigarette smoke 2
... A team of researchers, led by biologists at Dartmouth, ... in Lake Baiyangdian, the largest lake in the North ... drinking water for the people who live around it. ... Lake Baiyangdian, all at varying distances from major sources ...
... Is getting new knees on your list of New ... indicates that women wait longer to pursue knee-replacement surgery ... can no longer stand the pain, these women may ... on hold indefinitely, according to Lynn Snyder-Mackler, Distinguished Alumni ...
... If youre worried about high cholesterol levels and keeping ... and eggs just yet. A new study says they ... University have discovered that lower cholesterol levels can actually ... assistant professor of health and kinesiology, and Simon Sheather, ...
Cached Biology News:Dartmouth researchers alarmed by levels of mercury and arsenic in Chinese freshwater ecosystem 2Listen-up ladies: Don't postpone knee-replacement surgery 2Listen-up ladies: Don't postpone knee-replacement surgery 3Surprise -- cholesterol may actually pose benefits, study shows 2
... XIII in both reduced and non-reduced forms. It ... or human Factor XII. Factor XIII is a ... two subunits. Factor XIII-A is the catalytic subunit ... XIII is present in plasma as an Alpha2Beta2 ...
Anti-CaM kinase II recognizes the enzymes a subunit (6) and reacts with tissue from all mammalian species tested, as well as with chicken and frog tissues....
Ca2+ Channel Ca gamma 2 Purified Anti-Mouse, Anti-Rat, Anti-Human clone Polyclonal, Isotype Rabbit Ig, 50 µl Consult technical datasheet for details....
Goat polyclonal to Centaurin alpha 2**...
Biology Products: