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Microstructures in p–CuInSe[sub 2] single crystals tailored by the strong electric field have been studied using the method of local (d≲1 μm) cathodoluminescence (CL). The shortest-wavelength radiation (hω=1.023 eV) has been observed from the n-type layer and longer-wavelength radiation (hω=1.006 eV)—from the p-type regions. An analysis of the cathodoluminescence spectra has allowed us to attribute the experimental features to optical transitions associated with donor and acceptor levels of V[sub Cu],V[sub Se], and Cu[sub i] point defects in the crystal. Test measurements of EBIC, the C–V characteristics, and the DLT spectra confirm the cathodoluminescence data and reveal additional features of the p–n–p microstructures. © 1997 American Institute of Physics. [ABSTRACT FROM AUTHOR]

Ninety-seven children with neurogenic bladder and myelodysplasia were subjected to complex examination. The somatic innervation of the sphincter urethrae externus and sphincter ani muscles was appraised by the method of sacral guided reactions by a CT-01 electromyograph and by an original method consisting in registration of the reflex response of the named anatomical structures according to the fluctuations of the intraurethral and intraanal pressure. It was established that maintained, partly disturbed, and absolutely absent somatic innervation of the sphincters of the bladder and rectum is encountered in patients with myelodysplasia. The more the innervation of the sphincters disturbed is, the more the urinary bladder is excluded from the "accumulation-evacuation" urodynamic cycle and the lesser the probability of disorders of urodynamics of the upper urinary tract is, and vice versa. The obtained information is important in choosing the therapeutic tactics for patients with a neurogenic bladder.