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Enzyme Necessary For DNA Synthesis Can Also Erase DNA
In this week"s edition of Proceedings of the National Academy of Sciences, PNAS, Uppsala University scientists describe a new mechanism behind an important process that causes a rapid reduction of DNA in the chromosomes of bacteria. The findings advance our knowledge of how DNA content has been reduced, which is something that has occurred in bacteria that live as parasites inside the cells of other organisms.
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NewYork-Presbyterian/Columbia Implants 100th Heart Valve Replacement Without Open-Heart Surgery
Over the last four years, heart specialists at NewYork-Presbyterian Hospital/Columbia University Medical Center have implanted an innovative aortic heart valve replacement using a catheter-based approach that does not require open-heart surgery in a total of 100 patients -- the most of any U.S. medical center to date.
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UT San Antonio Researcher Wins $917,000 From NIH To Study Memory
Every 16 hours, give or take, the brain"s hippocampus makes six to nine thousand new neurons in the dentate gyrus, the portion of the brain which is believed to play a significant role in the preservation of episodic, or autobiographical, memory.
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St Helier Hospital Opts For Symbia T6

St Helier Hospital, part of Epsom and St Helier University Hospitals NHS Trust, has recently celebrated the installation of a Symbia® T6 TruePoint SPECTò€¢CT from Siemens Healthcare. The unit combines a 6-slice CT with variable angle dual detector SPECT for rapid, accurate attenuation correction and precise localisation. St Helier Hospital is using the system to achieve rapid image acquisition for a wide range of procedures, including renal scans, brain scans and ventilation and perfusion scans. The dual angle detector makes it capable of improving image quality for even the most challenging of scans. Additionally the system places emphasis on patient comfort and can accommodate both paediatric and bariatric patients with ease. "Installing the Symbia makes it possible to obtain a greater depth of anatomical information in one examination," states Esam Fikak, Superintendent Nuclear Medicine Practioner at St Helier Hospital. "We are impressed by the overall quality and flexibility that the system offers, catering for a range of patient needs and workload demands." "With highly detailed images, the installation of the Symbia T6 at St Helier Hospital enables clinicians to make more confident diagnostic decisions," states Andreas Hadjiphanis, Regional Sales Manager at Siemens Healthcare. "SPECTò€¢CT is invaluable to help detect a wide variety of conditions as early as possible to facilitate treatment planning." Siemens Healthcare


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