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301868

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Julien Frey et al.
Journal of the American Chemical Society, 130(33), 11013-11022 (2008-07-26)
Variously substituted coordinating rigid rods have been synthesized which incorporate a central 4,7-phenanthroline nucleus attached to two 2-pyridyl groups via its 3 and 8 positions, so as to yield bis-bidentate chelates, the two-coordinating axes of the chelates being parallel to
L W Mitchell et al.
Archives of biochemistry and biophysics, 300(1), 169-177 (1993-01-01)
Porphobilinogen synthase (PBGS) is essential to all life forms; in mammals it is definitively established that Zn(II) is required for activity. The literature regarding the metal requirement for PBGS in other animals, plants, and bacteria neither establishes nor disproves a
V Arluison et al.
Biochemistry, 37(20), 7268-7276 (1998-06-04)
RNA:pseudouridine synthetase (Pus1) from Saccharomyces cerevisiae is a multisite specific enzyme that catalyzes the formation of pseudouridine at positions 34 and 36 of intron-containing precursor tRNAIle and at positions 27 and/or 28 of several yeast tRNAs. In this paper we
Miguel A Galindo et al.
Journal of inorganic biochemistry, 102(5-6), 1025-1032 (2008-01-12)
The reaction between [(eta(6)-p-cymene)Ru(H2O)3]X2 and 4,7-phenanthroline (phen) leads to the formation of the rectangular tetranuclear complexes [(eta(6)-p-cymene)4Ru4(mu-4,7-phen-N4,N7)(2)(mu-OH)4]X4 (X=NO3, 1a; SO3CF3, 1b) which have been structurally characterised by X-ray crystallography. 1H NMR spectroscopic studies suggest the presence of a partially dissociated
H Boumans et al.
The Journal of biological chemistry, 272(27), 16753-16760 (1997-07-04)
o-Phenanthroline and m-phenanthroline both inhibit the electron transfer activity of lauryl maltoside-solubilized yeast bc1 complex progressively with time. Pre-steady-state kinetics indicate that these compounds bind to the complex on the intermembrane space side, thereby blocking reduction of cytochrome b via
Miguel A Galindo et al.
Dalton transactions (Cambridge, England : 2003), (10)(10), 1563-1566 (2004-07-15)
Reaction of [(dach)Pd(NO3)2] entities (dach = (R,R)-1,2-diaminocyclohexane, (S,S)-1,2-diaminocyclohexane) and 4,7-phenanthroline (phen) providing, respectively, 90 and 120 degrees bond angles, leads to the formation of two novel positively charged homochiral cyclic trinuclear metallacalix[3]arene species [((R,R)-1,2-diaminocyclohexane)Pd(phen)]3(NO3)6 (2a) and [((S,S)-1,2-diaminocyclohexane)Pd(phen)]3(NO3)6 (2b). These species
H Olsen et al.
Environmental health perspectives, 102(5), 454-458 (1994-05-01)
This study examined the changes in cellular glucose uptake induced by 2,3,7,8 tetrachlorodibenzo-p-dioxin (TCDD) as measured by quantification of intracellular radioactivity in the NIH 3T3 L1 preadipocyte cell line after a 30-minute incubation with the non-metabolizable radioactive analogue of glucose
Javier A Cabeza et al.
Dalton transactions (Cambridge, England : 2003), 41(24), 7249-7257 (2012-05-10)
The reactions of [Ru(3)(CO)(12)] with four aromatic diazines have been studied in THF at reflux temperature. With phthalazine (L(1)), the compound [Ru(3)(μ-κ(2)N(2)N(3)-L(1))(μ-CO)(3)(CO)(7)] (1), which contains an intact phthalazine ligand in an axial position bridging an Ru-Ru edge through both N
Kazuaki Ohara et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 28(7), 635-637 (2012-07-14)
Coordination polymer (CP) formation is an unexplored area in weak-interaction chemistry due to the difficulty of monitoring the coordination process. By using cold-spray ionization mass spectrometry (CSI-MS), several kinds of coordination compounds were detected when CuI metal and the 4,7-phenanthroline
S T Hoe et al.
Experimental eye research, 44(5), 663-675 (1987-05-01)
The chelating agents 1,10-phenanthroline and 2,2'-dipyridyl gave partial inhibition of the bovine lens aldehyde dehydrogenase, which was fully reversible and competitive towards acetaldehyde. The non-chelating compounds, 1,7-phenanthroline, 4,7-phenanthroline and 4,4'-dipyridyl gave total competitive inhibition, and significant activation at saturating substrate
E Enan et al.
Reproductive toxicology (Elmsford, N.Y.), 10(3), 191-198 (1996-05-01)
This study examined the changes in cellular glucose uptake, cAMP-dependent protein kinase (PKA), and progesterone production induced by 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in human luteinizing granulosa cells (LGCs) in culture. The role of Ah receptor on TCDD-mediated toxicity in human LGCs was
H Ashida et al.
Journal of biochemical toxicology, 11(6), 269-278 (1996-01-01)
The effect of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on lipid peroxidation, 3H-Me-glucose (3H-Me-glu), and 14C-dehydroascorbic acid (14C-DHA) uptakes were studied in adipose tissue of male guinea pig. Under in vitro test conditions, using isolated adipose tissue in a culture medium (explant culture), TCDD
Tina P Andrejević et al.
Journal of inorganic biochemistry, 208, 111089-111089 (2020-05-23)
Three novel Zn(II) complexes, [ZnCl2(qz)2] (1), [ZnCl2(1,5-naph)]n (2) and [ZnCl2(4,7-phen)2] (3), where qz is quinazoline, 1,5-naph is 1,5-naphthyridine and 4,7-phen is 4,7-phenanthroline, were synthesized by the reactions of ZnCl2 and the corresponding N-heterocyclic ligand in 1:2 molar ratio in ethanol at
Bennett J D Datu et al.
Veterinary parasitology, 159(2), 139-148 (2008-12-05)
The exit from dauer in the free-living nematode Caenorhabditis elegans is under the control of a single amphidial neuron (ASJ) of the insulin-like signalling pathway. Mutations of this pathway have the ability to suppress entry into the dauer stage. It
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