Showing papers by "University of Perugia published in 1972"
TL;DR: The body mass index seems preferable over other indices of relative weight on these grounds as well as on the simplicity of the calculation and, in contrast to percentage of average weight, the applicability to all populations at all times.
1,665 citations
TL;DR: The depressivecatastrophic reactions of the left brain-damaged patients were found chiefly in subjects with severe aphasia, and appeared generally after repeated failures in verbal communication, and seemed due, as Goldstein argued, to the desperate reaction of the organism, confronted with a task that it cannot face.
953 citations
TL;DR: The epithelium healing process of simple non-perforating wounds in the corneas treated with the factor proceeds via the formation of a multilayer rather than as in the naturally occurring mechanism via a cellular monolayer, which suggests that the healing process is not only accelerated but that a somewhat different mechanism is triggered by the presence of the epidermal growth factor.
146 citations
TL;DR: The question of why the closing-in sign may be found with such a surprising similarity both in the normal evolutive pattern and in the retrogenic dissolutive symptomatology is discussed.
44 citations
TL;DR: The hypothesis is put forward that the behaviour difference in glucagon secretion might be a consequence of the relative nyperinsulinism of IDM with insulin facilitating the entry of glucose into the α cell thus permitting a more effective glucagon suppression.
Abstract: Human neonates have been studied during the first hours of life. Blood glucose, portal plasma insulin and glucagon have been determined both at regular intervals up to 24 h after birth and during an intravenous glucose load performed at the 24th h. A material presenting the immunological characteristics of pancreatic glucagon has been found in the portal plasma of both normal infants and infants from diabetic mothers (IDM). The intravenous glucose load did not suppress plasma glucagon in the normal neonates nor in the IDM. Higher portal plasma glucagon values were observed in the late phase of the intravenous glucose load in normal neonates compared to IDM. Portal plasma insulin has been found higher in IDM both at the 24th h of life and during the early phase of the intravenous glucose tolerance test. The hypothesis is put forward that the behaviour difference in glucagon secretion might be a consequence of the relative nyperinsulinism of IDM with insulin facilitating the entry of glucose into the α cell thus permitting a more effective glucagon suppression.
39 citations
TL;DR: The dipole moment in the five-membered heterocyclic rings, furan, thiophene, and pyrrole has the positive pole on the heteroatom as discussed by the authors.
35 citations
TL;DR: It is shown that the microsomal fraction from rat brain converts by base-exchange labelled L-serine or ethanolamine into the plasmalogen derivatives [l-3], and the reaction restem are similar to those described for the synthesis of the diacyl derivative [ l-3]; the reaction requires Ca2+ as the only factor to obtain the exchange.
28 citations
TL;DR: The influence of the hemispheric side of lesion upon finger localization performances was studied in 162 unselected patients with unilateral cerebral disease by means of non-verbal tests and bilateral finger agnosia appeared associated with intellectual deterioration, aphasia and somatosensory impairment.
22 citations
TL;DR: A new technique, which the authors call “coupled-layer chromatography,” exploits two different chromatographic principles on the same chromatoplate for the separation of a class of substances.
20 citations
18 citations
TL;DR: In this article, the dipole moments of bromoferrocene, iodoferrocenes, 1,1′-dibromo-and 1, 1′-diiodifier-corrosion was measured in benzene and the potential energy function showed minima at 36°, 108° and 180°.
01 Jan 1972
TL;DR: There has, until now, been no definitive study of the temporal relationship between random interictal spikes and rhythmic paroxysms, but Ajmone Marsan’s findings on the phenomenon of the transition at a cellular level suggest that this relationship may be causal.
Abstract: Aside from Ajmone Marsan’s recent findings on the phenomenon of the transition at a cellular level (1965), there has, until now, been no definitive study of the temporal relationship between random interictal spikes and rhythmic paroxysms.
TL;DR: The effective carbon number (ECN) of heteroaromatic compounds determined by FID was found to be one unit smaller than expected as mentioned in this paper, which does not depend on the nature of the heteroatom.
Abstract: The “effective carbon number”* of heteroaromatic compounds determined by FID was found to be one unit smaller than expected. Such a result does not depend on the nature of the heteroatom. An analogous decrease is caused by the presence of a quaternary carbon atom as in a terbutyl group.
TL;DR: It has been demonstrated that during 7 days of treatment EGF accelerates the rate of differentiation of the epidermis and can produce hyperkeratosis, accomplished by a chemically and histochemically evaluated increase of the disulphide groups content in the epidersmal cells.
TL;DR: Results are presented which show that the PC:CTP cytidylyltransferase activity of chicken brain and nerve tissue, that represents a rate-limiting step in choline phosphoglyceride synthesis, is stimulated in vitro by lysolecithin, and to a smaller extent by lysophatidylethanolamine and leCithin.
TL;DR: In this paper, a kinetic associative mechanism was deduced for most of the ligands for disubstitution reactions of Fe(CO)(NO) 2 L complexes with P(C 6 H 5 ) 2 CH2 CH 2 P(c 6 H 4 H 9 ) 2 (diphos), other phosphinic ligands and As(n-C 9 H 4 ) 3, where the first order path was dissociative and the second order one was associative with the ligand.
TL;DR: In this article, an analysis of the asymmetry in the spectrum of diffracted light has been carried out for nonlinear acoustic second harmonic generation, obtained through the analysis of asymmetry of the spectrum.
Abstract: Nonlinear elastic effects in the propagation of acoustic surface waves have been matter of recently developed studies and investigations. Optical probings seem to be very promising for further developments of the field. Results are here reported relative to nonlinear acoustic second harmonic generation, obtained through the analysis of the asymmetry in the spectrum of diffracted light. Measurements have been done on Lithium Niobate at a frequency f0 = 20 MHz.
TL;DR: The infrared spectrum of nitrosyltetracarbonylmanganese has been investigated at low temperature with polarized radiation as mentioned in this paper, and the results give additional support to the view that the molecule belongs to the C2v point group, and seem to indicate that the most probable space group is C45-c.
TL;DR: I risultati ottenuti hanno permesso di precisare alcuni aspetti del rapporto epitelio-mesenchima nel corso del differenziamento della cute.
Abstract: E'stata esaminata l'azione di estratti embrionali di 6 e 12 giorni e del siero di pollo sul differenziamento in vitro di epidermide di 6 giorni di incubazione. I risultati ottenuti hanno permesso di precisare alcuni aspetti del rapporto epitelio-mesenchima nel corso del differenziamento della cute.
TL;DR: Using acrylamide gel disc electrophoresis, an increase in the frequency of subjects with an intestinal alkaline phosphatase band with increasing age values was found and was attributed mainly to the bone enzyme and in smaller proportion to the intestinal enzyme.
Abstract: In 364 serum samples of cord blood, infants, children, and adults alkaline phosphatase was characterized by means of L-phenylalanine inhibition, L-homoarginine inhibition, heat inactivation, acrylamide gel disc electrophoresis, and neuraminidase sensitivity. The increase of serum alkaline phosphatase in cord blood serum and in infant's and children's serum in comparison with adult levels was attributed mainly to the bone enzyme and in smaller proportion to the intestinal enzyme. Using acrylamide gel disc electrophoresis, an increase in the frequency of subjects with an intestinal alkaline phosphatase band with increasing age values was found.
TL;DR: In contrast with the thioureas, tetragonal, NiL4X4, and octahedral complexes of formula NiL3Br2 were obtained only in the solid state.
TL;DR: In this paper, the infrared spectra of pentacyanonitrosyl complexes of iron and manganese have been investigated and approximate potential field calculated for the analogous complex K3Cr(CN)5NO for which only partial data exist in the literature.
Abstract: The infrared spectra of pentacyanonitrosyl complexes of iron and manganese have been widely investigated1–4, and approximate potential field calculated.2–4 No similar study has been made, however, for the analogous complex K3Cr(CN)5NO for which only partial data exist in the literature.5,6 We report a more extensive investigation making use of 15NO and single crystal polarised spectra.
TL;DR: In this article, it was shown that when the adsorbed dye-silver halide complex is present, much more information can be obtained from the far infrared region, where chain motions and lattice external modes are absorbing.
Abstract: The investigation of the physico-chemical properties of photographic sensitizers involves “inter alia” the knowledge of their vibrational spectra.1,2 Molecules such as carbocyanine dyes have these spectra tremendously complicated and the best approach to the problem has been the study of simplified model compounds with polymethine chains.3 As to the possible modification of the spectral pattern, when the adsorbed dye-silver halide complex is present, it may be presumed that much more information can be obtained from the far infrared region, where chain motions and lattice external modes are absorbing.