Monomerie diiodides of 2,4,6-tri(rm-butyl)phenyl = (s-M es), 2,4,6-triisopropylphenyl = (Trip)and 2,4-di-terf-butyl-6-methylphenyl = (DBMP)-gallium and -indium were prepared by the reaction of the lithiated aryls with MI3 (M = Ga, In) in hexane/Et20 . s-MesInI2 (1), s-Mes2InI (2), s-MesGaI2 (3), s-M es2GaI (4), Trip2InI (5) and (DBM P)2InI (6) were obtained and characterized by their mass and N...

Effect of gallium nitrate on the pharmacokinetics and tissue accumulation of 67Ga was investigated in rats bearing turpentine oil-induced abscess. Gallium nitrate accelerated the blood disappearance of 67Ga, but this effect was less potent than that of ferric nitrate. The accumulation of 67Ga in liver was significantly lowered by gallium nitrate, but no significant decrease of 67Ga accumulation...

This paper describes physical-organic studies of charge transport by tunneling through self-assembled monolayers (SAMs), based on systematic variations of the structure of the molecules constituting the SAM. Replacing a -CH(2)CH(2)- group with a -CONH- group changes the dipole moment and polarizability of a portion of the molecule and has, in principle, the potential to change the rate of charg...

Background: In addition to determining the exact tumor location and its geometric features, an increase of the effective tumor atomic number will enhances the chance in treating the tumoral cells under suitable radiation. In the present study, we assessed metrezoate-labeled gallium transmission in Burkett lymphatic cells. Materials and Methods: Human Burkitt lymphatic cells were grown ...

Background: Diagnosis of active pulmonary and paranasal involvement in patients with Wegener’s granulomatosis (WG) can be difficult. The diagnostic value of gallium-67 scintigraphy in WG is unclear. Objective: To evaluate the added diagnostic value of gallium-67 scintigraphy in patients with WG with suspected granulomatous inflammation in the paranasal and chest regions. Methods: Retrospectivel...

The generation of end-of-life light-emitting diodes (LEDs) requires efforts to minimize waste and recycle critical raw elements (gallium, indium, rare earths). This review critically analyzes recycling processes such as physical, hydrometallurgical, pyrometallurgical treatments. An insight into gallium compounds (GaN, GaAs) their influence on strategies is provided. Pre-treatment plays a role i...

Earlier studies have shown that transferrin-gallium inhibits cellular iron incorporation and blocks DNA synthesis by decreasing the activity of the iron-dependent M2 subunit of ribonucleotide reducÃ-ase.We ex amined the growth-inhibitory effects of gallium nitrate in combination with clinically relevant inhibitors of ribonucleotide reducÃ-asefludarabine (an Ml subunit inhibitor), and iron chela...

BACKGROUND Diagnosis of active pulmonary and paranasal involvement in patients with Wegener's granulomatosis (WG) can be difficult. The diagnostic value of gallium-67 scintigraphy in WG is unclear. OBJECTIVE To evaluate the added diagnostic value of gallium-67 scintigraphy in patients with WG with suspected granulomatous inflammation in the paranasal and chest regions. METHODS Retrospective...

The growth inhibitory effects of gallium on a murine and human B-cell line were studied using two different serum-free culture systems: (a) ferric citrate medium containing 500 microM iron and (b) transferrin medium containing 5 micrograms/ml of iron-saturated transferrin (0.125 microM iron). For the human cell line in ferric citrate medium, 50% growth inhibition achieved in the presence of tra...

Z. Naturforsch. 56 b, 458^462 (2001); received April 4, 2001 Gallium(III) and Gallium(II) Amides, Gallium Amino Complexes, Gallium Coordination The reaction of /V,/V-di('butyl)-ethane1,2-diamine with NaH followed by anhydrous GaCl3 (molar ratios 1:2 :1) gives mainly an insoluble bis(diamido)gallium chloride together with a low yield (28%) of a soluble monocyclic dichlorogallium-[2-('butylamino)...