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Thursday, 07 February 2008 |
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For those of you who have never witnessed it, here is a video of microbeads being dammed by an optical tweezer. Read more about optical tweezers here .
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Wednesday, 06 February 2008 |
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The ink might still be drying on the contract papers, but the MoFloTM XDP Cell Sorter and CyAnTM ADP Analyzer, among other former Dakocytomation products, are already listed on the Beckman Coulter website. The acquistion of Dakocytomation by Beckman Coulter is not the first, nor is it likely to be the last, aquisition to occur in flow cytometry. Undeniably, the industry is growing. Biocompare, a market research firm, predicted in 2006 that by 2008 the flow cytometry market will eclipse $1.3 billion, and more growth is expected in the near future. This is good news for cytometrists, instrument and reagent vendors and, of course, for those who benefit from the invaluable research and development that flow cytometry has brought to the fore. But growth and the inevitability of acquisitions can be of concern. Beckman Coulter and BD Biosciences together comprise 80% of the market share.1 With market share of this magnitude, it might not be long before the flow cytometry industry experiences an equivalent of Microsoft's current attempt to buy Yahoo!. Share your thoughts or concerns with others in the forum.
A full article about the Beckman Coulter/Dakocytomation transaction can be found here.
Want to get a unique and fresh perspective on the psychology of large corporations? Check out Michael Shermer's recent Scientific American article here.
1. Flow Cytometry: Current Trends and Future Outlook, Market Research Report by Biocompare. April, 2006.
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Microfluidic Electroporative Flow Cytometry |
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Wednesday, 06 February 2008 |
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Another arrow has been added to the flow cytometry quiver, as developments in protein translocation detection have combined electroporation with flow cytometry. Chang Lu, and a team at Purdue, have successfully monitored protein translocation for individual cells at a rate of 100-200 cells per second. Lu's study involved monitoring translocation of EGFP-tagged tyrosine kinase, Syk, to the plasma membrane in B cells. Lu's work will continue, with the goal being the ability to monitor protein translocation for individual cells at standard flow cytometry rates.
Click here for Lu's abstract on this work.
For the ScienceDaily.com article on Lu's work click here .
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HIV Positive Given New License? |
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Tuesday, 05 February 2008 |
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Given the role that HIV/AIDS plays in many flow cytometry circles, it should come as no surprise that researchers and cytometrists will be talking about the recently released statement by the Bulletin of Swiss Medicine on behalf of the Swiss Federal Commisssion. The Commission has made public its consensus that persons who are HIV positive are not sexually infectious if they are STI/STD free and are being treated effectively with anti-retroviral medication. Central to meeting the "effective treatment" criteria is six months or longer of an undetectable viral load for a patient on anti-retroviral medication. Discussions outside the scientific realm are attempting to deal with the legal and ethical implications of the Commissions statement. Feel free to open or join a discussion about this topic or others in our forum !
Read the full article here .
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