نتایج جستجو برای: sxt constin
تعداد نتایج: 413 فیلتر نتایج به سال:
The Soft X-ray Telescope (SXT) aboard the AstroSat satellite is first Indian telescope in space. It a modest size with charge coupled device (CCD) camera focal plane, which provides images $$\sim $$ 0.3–8.0 keV band. A forte of SXT providing undistorted spectra relatively bright sources, it excels over some current large CCD-based telescopes. Here, we highlight published spectral and timing res...
We deduce electron temperatures in a 2–3 month old active region from 1996 September and October, using soft Xray S xv spectra from the Bragg Crystal Spectrometer (BCS) and images from the Soft X-ray Telescope (SXT), both on board the Yohkoh satellite. Our observations cover a full transit of the region, from before its appearance around the east limb until after it disappeared around the west ...
Sulfamethoxazole-trimethoprim (SXT) is the drug-of-choice in Stenotrophomonas maltophilia caused infections. There has been an increase in resistance to SXT of S. maltophilia over recent years. In this study 30 S. maltophilia clinical isolates resistant to SXT were investigated. Antibiotic susceptibilities for ciprofloxacin, moxifloxacin, levofloxacin, doxycycline, tigecycline, ceftazidime, col...
The characteristics of Vibrio cholerae O1 biotype El Tor, serotype Ogawa isolates from outbreaks of cholera in 1998 amongst migrant workers in the South African provinces of Gauteng and Mpumalanga, on the border of Mozambique, are reported. The isolates seem to have originated from the same clone since they are of two closely related BglI ribotypes. These ribotypes had a high similarity to ribo...
Paralytic shellfish poisoning (PSP) toxin production has been detected worldwide in the cyanobacterial genera Anabaena, Lyngbya, Scytonema, Cuspidothrix and Aphanizomenon. In Europe Aphanizomenon gracile and Cuspidothrix issatschenkoi are the only known producers of PSP toxins and are found in Southwest and Central European freshwater bodies. In this study the PSP toxin producing Aphanizomenon ...
We report here functional and topological analyses of TraG and Eex, the donor and recipient cell inner membrane proteins that mediate entry exclusion in the SXT/R391 family of integrative conjugative elements. We found that the exclusion-determining regions of the Eex variants EexS (SXT) and EexR (R391) are located in distinct yet overlapping regions of the proteins. Unexpectedly, the carboxyl-...
Antimicrobial Susceptibility of Invasive Streptococcus pyogenes Isolates in Germany during 2003-2013
A nationwide laboratory-based surveillance study of invasive S. pyogenes infections was conducted in Germany. Invasive isolates (n = 1,281) were obtained between 2003 and 2013. All isolates were susceptible to penicillin, cefotaxime and vancomycin. Tetracycline showed the highest rate of resistant or intermediate resistant isolates with 9.8%, followed by macrolides (4.0%), trimethoprim/sulfamet...
BACKGROUND Recent advances in nanoparticle design have generated new possibilities for nano-biotechnology and nano-medicine. Here we used cryo-soft X-ray tomography (cryo-SXT) to collect comprehensive three-dimensional (3D) data to characterise the interaction of superparamagnetic iron oxide nanoparticles (SPION) with a breast cancer cell line. RESULTS We incubated MCF-7 (a human breast cance...
We present optical and infrared observations of the soft X-ray transient (SXT) XTEJ2012+381 and identify the optical counterpart with a faint red star heavily blended with a brighter foreground star. The fainter star is coincident with the radio counterpart and appears to show weak Hα emission and to have faded between observations. The RXTE/ASM lightcurve of XTE J2012+381 is unusual for an SXT...
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