Showing papers by "Vladimir Peshekhonov published in 1987"
TL;DR: Several systems based on multiwire proportional chambers (MWPC) used to study protein mixtures labelled with 3H, 14C, 32P, 35S and 125I are described, making it possible to reduce the analysis time by a factor of 100 as compared to the conventional radiography of protein mixture without destroying the sample.
Abstract: Several systems based on multiwire proportional chambers (MWPC) used to study protein mixtures labelled with 3H, 14C, 32P, 35S and 125I are described. The detector operates on-line with a computer. Autoradiography imaging is presented on a colour TV-monitor. The spatial resolution of the systems is 1 … 2 mm, and the sensitivity is about 10 pCi/cm2. The systems make it possible to reduce the analysis time by a factor of 100 as compared to the conventional radiography of protein mixtures without destroying the sample. The high sensitivity of the systems allows the required amount of protein to be decreased by two orders of magnitude.
1 citations
TL;DR: In this paper, a low-pressure multistep avalanche chamber for thermal neutron imaging was developed and tested on a neutronographic beam of the nuclear reactor, which operates on-line with a minicomputer.
Abstract: A device with a low-pressure multistep avalanche chamber for thermal neutron imaging was developed and tested on a neutronographic beam of the nuclear reactor. The device operates on-line with a minicomputer. The detection efficiency of thermal neutrons is better than 3%, while the detection efficiency of 60 keV γ-quanta is less than 10−6.