Navigation Links
Weighty viruses

rus particle in the electric field of the ion trap begins to oscillate. This oscillation depends on the mass (and charge) of the virus.

The team was thus able to determine the masses of three different types of viruses with diameters between 80 and 300 nm—with an astonishingly low margin of error of ±1%. The masses of the viruses can, in combination with other analytical processes, be used to infer how many building blocks are used to make up the shell of the virus or how many copies of the genetic material it contains.

These highly precise measurements were made possible by the special structure of the ion trap; instead of a classic quadrupole ion trap, Chang and co-workers chose to use a cylindrical ion trap (CIT). In this type of trap, the movement of the trapped ions is considerably more complex and not mathematically ascertainable. However, it has the advantage of a much simpler geometry. The team constructed a CIT with smaller dimensions than usual, optimized the geometry, and exchanged the usual terminal electrodes of the cylinder with transparent, electrically conducting plates. This special construction is what made application of the precise light-scattering technique for the mass determination of a single virus possible.
'"/>

Source:John Wiley & Sons, Inc.


Page: 1 2

Related biology news :

1. Columbia scientists develop cancer terminator viruses
2. Researchers report breakthrough against world’s deadliest viruses
3. UF scientist finds unexpected link between cat and human AIDS viruses
4. Agricultural workers at increased risk for infection with animal flu viruses
5. Novel virus entry mechanism could lead to new drugs against poxviruses
6. MIT researchers build tiny batteries with viruses
7. Revolution in the fight against cancer & viruses
8. Molecular on/off switch controls immune defenses against viruses
9. Silver bullet: UGA researchers use laser, nanotechnology to rapidly detect viruses
10. Molecular signature protects cells from viruses
11. Anti-herpes treatment reduces HIV levels in women infected with both viruses
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Weighty viruses

(Date:3/24/2015)... 2015 Research and Markets ( http://www.researchandmarkets.com/research/hdgz7h/global_iris ... Iris Recognition Market 2015-2019" report to their offering. ... market to grow at a CAGR of 23.5 percent ... the present scenario and the growth prospects of the ... calculate the market size, the report considers the revenue ...
(Date:3/24/2015)... --  NexID Biometrics LLC, whose spoof-mitigation technology boosts ... the beginning of shipments of version 2.0 of its ... based in Potsdam, N.Y. , is ... began here today at the Walter E. Washington Convention ... SDK boosts the accuracy rate range to 96.5 to ...
(Date:3/23/2015)... BOSTON, Mass , March 23, 2015 SoundView ... shipment of NXT-ID,s (NASDAQ: NXTD ) Wocket smart wallet. SoundView ... world user feedback on their experience with the Wocket in ... experience at CVS, Whole Foods and other retailers, making both ... Kris Tuttle also says, "If the company meets ...
Breaking Biology News(10 mins):Global Iris Recognition Market 2015-2019 with 3M Cogent, Bioenable Technologies, Cross Match Technology, Iris ID Systems & Safran Dominating 2NexID Begins Shipments Of Version 2.0 Fake-Finger-Detection Solution 2Technology Research Note Update from SoundView; Real-World Usage and Feedback of Wocket Smart Wallet at CVS, Whole Foods and other Retailers 2Technology Research Note Update from SoundView; Real-World Usage and Feedback of Wocket Smart Wallet at CVS, Whole Foods and other Retailers 3Technology Research Note Update from SoundView; Real-World Usage and Feedback of Wocket Smart Wallet at CVS, Whole Foods and other Retailers 4
... Department of Materials Science and Engineering at the University ... Materials Science and Technology Division at the Oak Ridge ... of Engineering. He becomes the fifth NAE member in ... the NAE is among the highest professional distinctions accorded ...
... from the University of California, San Diego School of ... broadly regulates how genetic information transcribed from DNA to ... the myriad of proteins necessary for life. The ... , help explain how a relatively limited number of ...
... biomarkers of cardiovascular disease: implications for heart-healthy diets," published ... examined 26 clinical studies and two meta-analyses to assess ... Of the probiotics examined, L. reuteri NCIMB 30242 (Cardioviva) ... dietary requirements by: , Significantly reducing ...
Cached Biology News:University of Tennessee professor named to National Academy of Engineering 2Global regulator of mRNA editing found 2Heart health through gut health 2
(Date:5/5/2015)... DIEGO , May 5, 2015  Orexigen Therapeutics, ... for the first quarter 2015 on Friday, May 8 ... by a live webcast and conference call at 8:30 ... The live call may be accessed by phone by ... code 39586962. The webcast can be accessed live on ...
(Date:5/5/2015)... Station, TX (PRWEB) May 05, 2015 ... were announced last week as recipients of the ... Innovation in recognition of their Portable, Continuous, Miniature ... that integrates a small footprint, continuous processing equipment, ... modules) to process API powders and inactive ingredients ...
(Date:5/5/2015)... MA (PRWEB) May 05, 2015 The ... ), a Massachusetts-based non-profit operating in the public interest, ... affiliate of the Hearst Communications Company, have formed a ... for public outreach and education across the healthcare and ... for the voice of patients and the public to ...
(Date:5/4/2015)... JSS Medical Research Inc., a Montreal based ... of Max Neeman International (MNI), with head office in ... Ahmedabad, Bangalore , Chennai ... regional office is located North Carolina, USA . ... equity investment transaction into JSS with Capital Croissance PME (CCPME), a ...
Breaking Biology Technology:GEA Pharma Systems, G-CON Manufacturing and Pfizer Consortium Receives Best Technology Innovation Award at INTERPHEX 2015 2GEA Pharma Systems, G-CON Manufacturing and Pfizer Consortium Receives Best Technology Innovation Award at INTERPHEX 2015 3ACRES and San Antonio Express-News Launch Blog on Accountability in Clinical Research 2ACRES and San Antonio Express-News Launch Blog on Accountability in Clinical Research 3ACRES and San Antonio Express-News Launch Blog on Accountability in Clinical Research 4JSS Medical Canada widens its global presence across Asia/Pacific region 2JSS Medical Canada widens its global presence across Asia/Pacific region 3JSS Medical Canada widens its global presence across Asia/Pacific region 4
... , ... unemployment rate remained unchanged, health care added another 20,000 jobs. Layoffs were also ... , ... the United States unemployment rate remained unchanged in February, health care continued to add jobs, ...
... which current flows without resistance, have tantalizing applications. But ... effect kicks in, so researchers want to know when ... it into existence at room temperature. Now a ... areas of weak superconductivity hold up at higher temperatures ...
... PLYMOUTH MEETING, Pa. , March 15 ... the "Company") today,announced financial results for the fourth quarter and fiscal year ... 2009 Financial Highlights:, -- Revenue increased to $41.5 million, ... quarter of 2008;, -- Gross profit increased 21% to ...
Cached Biology Technology:The MedZilla Report for March 2010 - Layoffs Down in February Despite Merck Merger; Health Care Employment Up Again 2The MedZilla Report for March 2010 - Layoffs Down in February Despite Merck Merger; Health Care Employment Up Again 3The MedZilla Report for March 2010 - Layoffs Down in February Despite Merck Merger; Health Care Employment Up Again 4Superconductors on the nanoscale 2BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 2BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 3BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 4BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 5BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 6BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 7BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 8BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 9BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 10BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 11BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 12BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 13BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 14BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 15BMP Sunstone Reports Fourth Quarter and Full Year 2009 Financial Results 16
HistoScan AP Universal Goat Kit...
Anti-rat Ig HRP detection kit...
4',6-Diamidino-2-phenylindole dihydrochloride...
One bottle containing 30 ml of protein solution and 0.1% sodium azide....
Biology Products: