EPR spectroscopy employs a resonator operating at a single microwave frequency and phase-sensitive detection using modulation of the magnetic field. The X-band spectrometer is the general standard with a frequency in the 9-10 GHz range. Most (bio)molecular EPR spectra are determined by a combination of the frequency-dependent electronic Zeeman interaction and a number of frequency-independent i...

Most patients with chronic duodenal ulcer disease have Helicobacter pylori infection and eradicating it considerably reduces the relapse rate. The prevalence of H pylori in 80 patients (mean age = 52 years, range 17-85) presenting with acute perforated duodenal ulcer was examined and compared with age and sex matched hospital control patients. H pylori state was assessed by serum anti-H pylori ...

a high prevalence of antibody to cag a has been observed in h. pylori seropositive patients (hp + ) living in developed countries. this is felt to be correlated with the development of serious sequelae of this infection.  we examined the sero-prevalence of antibody to cag a and other specific h. pylori antigens in symptomatic and asymptomatic individuals living in kashan. sera from 37 patients ...

AIM To investigate atrial flow patterns in the normal adult heart, to explore whether caval vein arrangement and patency of the foramen ovale (PFO) may be associated with flow pattern. MATERIALS AND METHODS Time-resolved, three-dimensional velocity encoded magnetic resonance imaging (4D flow) was employed to assess atrial flow patterns in thirteen healthy subjects (6 male, 40 years, range 25-...

A high prevalence of antibody to cag A has been observed in H. pylori seropositive patients (HP+) living in developed countries. This is felt to be correlated with the development of serious sequelae of this infection.  We examined the sero-prevalence of antibody to cag A and other specific H. pylori antigens in symptomatic and asymptomatic individuals living in Kashan.Sera from 37 patients who...

We validated a commercial enzyme-linked immunosorbent assay (ELISA), Helico-G, in diagnosing H. pylori in 129 patients (mean age 50 years, range 15-86). We analysed the results of endoscopy against serology to see whether there was a possibility of adopting the strategy of not endoscoping dyspeptic subjects under the age of 45. H. pylori infection was considered present if either histology and/...

Mdm1 helps the ER and vacuole stay in touch Henne et al. reveal that a protein linked to human neurological disease regulates sphingolipid metabolism in yeast by tethering vacuoles to the ER. Little is known about yeast Mdm1, but it is homologous to several mammalian sorting nexins, including SNX14, which is mutated in an autosomal-recessive form of cer-ebellar ataxia. Henne et al. identified M...