153 Result(s)
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Article
Glicolisi anaerobia del pancreas di cavia
The enzymes of anaerobic glycolysis are present in the granules of secretion and in the mitochondria of pancreas of guinea pig. On the otherhand, it has not been possible to demonstrate their presence in the s...
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Article
Aspetti del nucleolo di cellule normali e patologiche
On the basis of research carried out on various animal and plant tissues, both normal and pathologic, the author reaches the conclusion that two chief functions can be attributed to the nucleolus. One of them ...
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Article
Precisazioni sul Nucleolonema
On donne certaines précisions en ce qui concerne le nucléolonema, qui en fait n'existe pas sous forme d'un peloton et qui ne correspond pas au réticule endonucléolaire décelé au microscope électronique. Dans l...
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Article
Qualche ricerca intorno a Pichia fermentans Lodder
Es werden die technologischen Eigenschaften einiger Stämme vonPichia fermentans, isoliert aus Traubenmost, untersucht.
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Article
Studio farmacologico di un nuovo coleretico derivato dall'acidoα-cicloesil butirrico
α-(1-Hydroxy-4-phenyl-cyclohexyl)butyric acid (M. G. 4833) andα-(1-hydroxy-3-phenyl-cyclohexyl) butyric acid (M. G. 4834) have been synthesized; both substances were endowed with choleretic activity.
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Article
Attività enolasica del plasma e del fegato nell'epatite sperimentale de virus MHV-3 Craig
In experimental hepatitis from MHV-3 Craig strain, the enolase activity of plasma increases significatively from 48th h of the infection, reaching the highest values at 72–96th h.
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Article
Sulla biochimica della fermentazione citrica da parte dell'Aspergillus niger
In a strain ofAspergillus niger grown in Bernhauer medium, oxalacetic decarboxylase activity increased, while citric acid accumulated in the medium. The mechanism of citric acid accumulation is discussed.
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Article
Meccanismo dell'azione attivatrice esplicata dal Guanosintrifosfato (G.T.P.) sui sistemi enzimatici ossidasici dei grassi. Nota IV
Dans le foie de cobaye l'arseniate ne modifie pas l'activation provoquée par le G. T. P. sur le système enzymatique des acides gras. De ces résultats on peut conclure que le G. T. P. donne directement l'énergi...
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Article
Influenza del Mg++ sulla «eptoformazione non ossidativa» nel muscolo scheletrico
Mg++ influence on ‘non-oxydative heptoformation’ from hexose-phosphate has been studied in enzymatic preparations of rat skeletal muscle. The results give further evidence that F-1, 6-P, added to F-6-P, increases...
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Article
Il succinato ed il fumarato quali regolatori dei sistemi enzimatici ossidasici dei grassi. Nota V
Dans le foie de cobaye, l'activité du système enzymatique oxydasique des acides gras est renforcée par une faible oxydation des acides succiniques et fumariques, tandis qu'elle est inhibée par une oxydation él...
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Article
Il guanosintrifosfato quale attivatore dei sistemi enzimatici ossidasici dei grassi Nota III
In guinea-pig liver, G.T.P. and α-ketoglutarate both activate enzyme systems of fatty acid oxidation in the same way, and both act independently of A.T.P.
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Article
Studio comparativo degli aminoacidi presenti negli estratti e negli idrolizzati di retina e di epitelio corneale di bue
Mittels Papierchromatographie wurde das Bild der freien Aminosäuren der Netzhaut und des Cornea-Epithels des Rindes untersucht und mit den Aminosäuren des Hydrolysats des gesamten Gewebes in Beziehung gebracht...
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Article
Sul meccanismo della eptoformazione non ossidativa nel muscolo scheletrico
F-1,6-P has been shown to increase the rate of ‘non-oxydative heptoformation’ from glucose-6-phosphate and fructose-6-phosphate in enzymatic preparations of rat skeletal muscle. The mechanism of this increase ...
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Article
Sulla biochimica della fermentazione citrica da parte dell'Aspergillus niger
In a strain ofAsp. niger grown inBernhauer medium, succinic-dehydrogenase activity decreased and asparticglutamic transaminase activity remained practically constant, while citric acid accumulated in the medium.
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Article
Eptoformazione non ossidativa nel muscolo scheletrico
The so-called ‘non-oxydative heptoformation’ has been shown in enzymatic preparations of rat skeletal muscle, using as substrates glucose-6-phosphate and fructose-6-phosphate.
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Article
Sintesi e attività biologica del 5-ammino-triptofano
5-amino-tryptophan has been prepared by catalytic hydrogenation of 5-nitro-tryptophan.
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Article
Influenza dell'arseniato sui processi di attivazione dei sistemi enzimatici ossidasici dei grassi. II
Dans le foie de cobaye l'arseniate inhibe l'action activatrice provoquée par l'acide α-cétoglutarique sur le système enzymatique oxydasique des acides gras, tandis qu'il ne modifie pas l'action activatrice due...
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Article
I processi di attivazione dei sistemi enzimatici ossidasici dei grassi. I
Dans le foie de cobaye, l'activité du système enzymatique oxydasique des acides gras est en rapport avec la quantité d'A.T.P. qui y est directement introduit ou qui se forme par l'oxydation de l'acide fumariqu...
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Article
Metionina, etionina, colina nel metabolismo intermedio dei fibroblasti coltivatiin vitro
The administration of ethionin to tissue cultures of fibroblastsin vitro causes a rapid and total inhibition of the growth of the transplanted tissues.
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Article
Reisolamento di una rara specie di Lievito: Trigonopsis variabilis Schachner
Trigonopsis variabilis, bisher erst einmal isoliert (1929), wurde in einem Traubenmost aus dem Weinbaugebiet des Staates S. Paulo, Brasilien, wieder aufgefunden. Es wird sein morphologisches und physiologisches ...
