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Article
Gut microbiome alteration in MORDOR I: a community-randomized trial of mass azithromycin distribution
The MORDOR I trial1, conducted in Niger, Malawi and Tanzania, demonstrated that mass azithromycin distribution to preschool children reduced childhood mortality1. However, the large but simple trial design preclu...
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Article
Monitoring for Extra-Intestinal Cancers in IBD
Multiple studies have demonstrated an increased risk for extra-intestinal cancers in inflammatory bowel disease (IBD) patients, mainly from treatment modalities. Prominent cancers that are related to IBD treat...
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Article
One or more bound planets per Milky Way star from microlensing observations
A statistical analysis of microlensing data from 2002–07 reveals that stars in the Milky Way are orbited by planets as a rule, rather than an exception.
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Article
Chirped-pulse amplification near the gain-narrowing limit of Yb-doped fiber using a reflection grism compressor
We report a numerical and experimental study of chirped-pulse amplification of femtosecond pulses near the gain narrowing limit of Yb-doped fiber. We show that a strongly inhomogeneous lineshape provides a goo...
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Chapter and Conference Paper
Automated Mössbauer spectroscopy in the field and monitoring of fougerite
A special experimental setup for in-field applications was developed at Mainz. It incorporates hardware for automated positioning of the Mossbauer sensor head, a Plexiglas tube, and a modified version of the s...
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Article
The WASP Project and SuperWASP Camera
The WASP project and infrastructure supporting the SuperWASP Facility are described. As the instrument, reduction pipeline and archive system are now fully operative we expect the system to have a major impact...
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Article
Automated Mössbauer spectroscopy in the field and monitoring of fougerite
A special experimental setup for in-field applications was developed at Mainz. It incorporates hardware for automated positioning of the Mössbauer sensor head, a Plexiglas tube, and a modified version of the s...
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Article
Discovery of a cool planet of 5.5 Earth masses through gravitational microlensing
Over 170 extrasolar planets have so far been discovered, with a wide range of masses and orbital periods, but until last July no planet of Neptune's mass or less had been detected any more than 0.15 astronomic...
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Chapter
The WASP Project and SuperWASP Camera
The WASP project and infrastructure supporting the Super WASP Facility are described. As the instrument, reduction pipeline and archive system are now fully operative we expect the system to have a major impac...
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Chapter and Conference Paper
The Miniaturized Mössbauer Spectrometer MIMOS II for Extraterrestrial and Outdoor Terrestrial Applications: A Status Report
In May and July 2003 both the European space agency ESA and the American space agency NASA will launch space missions to Mars. The ESA lander Beagle 2 and the two NASAMars-Exploration-Rovers (MER) will explore...
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Article
The Miniaturized Mössbauer Spectrometer MIMOS II for Extraterrestrial and Outdoor Terrestrial Applications: A Status Report
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Article
The RadB protein from Pyrococcus does not complement E. coli recA mutations in vivo
A previous publication claimed that the radB gene called Pk-REC from Pyrococcus furiosus complemented an E. coli recA mutation. We found that a sequencing error had led to the test of a mutant form of Pk-REC. Th...
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Chapter and Conference Paper
Chirped-Pulse Amplifiaction with a Fiber Stretcher and a Grism Compressor
We demonstrate chirped-pulse amplification of femtosecond pulses using a fiber stretcher. We use a grism pair to achieve the highest single-stage compression factor (750) ever obtained from a fiber.
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Chapter and Conference Paper
Compensation of SPM-Induced Pulse Distortions in Chirped-Pulse Amplification Systems
Recently Perry et al [1] showed that self-phase modulation (SPM) in CPA lasers can degrade the quality of the compressed pulse. Even in the absence of spectral broadening, a B-integral of ~1 can produce uncompres...
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Article
Association between gradual hard X-Ray emission and metric continua during large flares
X-ray radiation is used to study coronal phenomena in conjunction with meter wave observations during some large solar flares. It is found that metric flare continua and moving type IV bursts are associated wi...