The relative bioavailability (RBV) of a dipeptide dl-methionyl-dl-methionine (dl-Met-Met) was compared with dl-methionine (dl-Met) in growing pigs (experiment 1; N-balance study) and in weaned pigs (experiment 2; performance study). In experiment 1, 42 barrows with an initial body weight (BW) of...

To overcome nitrogen and iron deficiency in the organic fraction of municipal solid waste, amino acids and ferric oxide were separately added in the feedstock to evaluate their effect on hydrogen production. Furthermore, synergic effect of amino acids and ferric oxide on hydrogen production was ...

This study was designed to compare the effect of methionine (Met) sources (DL-methionine [DLM] and DL-2-hydroxy-4-methylthio-butanoic acid [HMTBa]) and their supplementation levels on broiler growth performance and redox state. A 2 × 2 factorial arrangement was used with 2 sources (DLM and HMTB...

The fluorescence quenching of various substituted tetraphenylporphyrins and their zinc complexes by ruthenium(II) tris(2,2′-bipyridine) has been investigated in dichloromethane. While fluorescence quenching was not effective for free base porphyrins, but in the case of zinc porphyrins fairly ef...

We have explored the chemiluminescence response of amino acids and related compounds (including the tripeptide glutathione, and disulfides: cystine, homocystine and glutathione disulfide) with several new adaptations of the permanganate and tris(2,2′-bipyridine)ruthenium(III) ([Ru(bipy)3]3+) re...

In order to reveal the solvolysis reactions of dinuclear ruthenium(II)-2,2′-bipyridine complexes with various bridged-ligands (BL), [{RuCl(bpy)2}2(μ-BL)]2+ ([Ru2Cl2-BL]2+), we have studied the kinetics of these complexes in H2O and H2O–dmso (1:1 v/v). In H2O–dmso (1:1 v/v), time-course UV–V...

Two novel ruthenium(II) polypyridyl complexes [Ru(bpy)2(ETPIP)](ClO4)2 (Ru(II)-1) and [Ru(phen)2(ETPIP)](ClO4)2 (Ru(II)-2) (bpy = 2,2′-bipyridine, ETPIP = 2-(4-(thiophen-2-ylethynyl)phenyl)-1H-imidazo[4,5-f][1,10]phenanthroline, phen = 1,10-phenanthroline) have been synthesized and characterize...

The syntheses and characterization of new nitro complexes of Ru(II) with 2,4,6-tris(2-pyridyl)-1,3,5-triazine (tptz) and different substituted bipyridines are reported. A disproportionation reaction can occur after applying an oxidation potential corresponding to the couple RuII/RuIII forming th...

We herein report the synthesis, characterization and anticancer activity of BTPIP (2-(4-(benzo[b]thiophen-2-yl)phenyl)-1H-imidazo[4,5-f][1,10]phenanthroline) and its four ruthenium(II) polypyridyl complexes [Ru(NN)2(BTPIP)](ClO4)2 (N-N = bpy = 2,2′-bipyridine, Ru(II)-1; phen = 1,10-phenanthroli...

New Co(III), Cu(II) and Zn(II) complexes of 4,4′-dihydroxy-2,2′-bipyridine (dhbpyH2) have been structurally characterized by single crystal X-ray diffraction methods and studied by electrochemical and spectroscopic techniques. Both bis- and tris-dhbpyH2 zinc complexes were characterized in sol...

The crystal structures of tris(2-methyl-1,10-phenanthroline)ruthenium(II) iodide, tris(6-methyl-2,2′-bipyridine)ruthenium(II) tetrafluoroborate and tris(6,6′-dimethyl-2,2′-bipyridine)ruthenium(II) tetrafluoroborate 0.75 hydrate are described. The average Ru–N distances in the complex cations...

Photoluminescent cyclometalated iridium(III) complexes are now a well established class of organometallic compounds with advantageous potential applications in biology and life science. While these complexes, along with other luminescent transition metals and lanthanoid complexes, were initially...

The deposition of noble metal particles and films by atomic layer deposition (ALD) has recently gained interest in the fields of catalysis and microelectronics. However, there is little information on the mechanisms governing the reactions of noble metals with high surface area supports. In this...

Iridium(III) complexes exhibit remarkable photophysical properties such as high photoluminescence quantum yields, wide color tunability and high chemical stability. They have featured prominently in diverse applications such as sensing, bio-imaging, photoredox catalysis, solar fuels and solid-st...

Despite efficient electroluminescence performance, the high fabrication cost due to the utilization of noble metals impedes the commercialization of phosphorescent organic light-emitting diodes (PHOLEDs) based on iridium(III) complexes. In this paper, we designed and synthesized a series of gree...

The phosphorescent Ir(III) complexes are very promising materials for optical chemosensors. In this letter, we report the synthesis of a yellow emissive phosphorescent iridium(III) complex (PFBHC)2Ir(acac) containing carbazole and its application for nitro-aromatic explosives detection. (PFBHC)2...

In recent years, transition metal complexes with their prominent photophysical properties have emerged as versatile chemosensors to probe different target analytes, including metal ions. By incorporating specific metal ion receptors, various iridium(III) complex-based cation sensors have been de...

γ-Halogenated iridium(III) acetylacetonates of the general formula Ir(acacX)n(acac)3−n (where acacX is CH3–CO–CX–CO–CH3, acac is CH3–CO–CH–CO–CH3, n=1,2,3, X=F, Cl, Br, I) have been synthesized, purified and characterized. Spectroscopic and thermogravimetric studies have been carried ou...

Chloro-bridged diiridium(III) complexes (4a and 4b) were subjected to a bridge-splitting reaction with acetylacetone and sodium carbonate in 2-ethoxyethanol. The reaction was complete within 15 min and two novel biscyclometalated iridium(III) acetylacetonate complexes (5a and 5b) were successful...

Iridium coatings were produced by metallo-organic chemical vapor deposition (MOCVD) using iridium(III) acetylacetonate (Ir(acac)3) as precursor at 400–520 °C under atmospheric pressure in the presence of hydrogen. Three different deposition regions were obtained in the study: reaction-rate-lim...