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Showing 25 to 36 of 747 entries
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Alternative methods for the production of carrier-free (66,67)Ga.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Nayak D, Lahiri S.
PMID: 11200879
Appl Radiat Isot. 2001 Feb;54(2):189-93. doi: 10.1016/s0969-8043(00)00194-9.

Heavy ion activation of natural cobalt foil with 52 MeV 11B4+ and 73 MeV 12C6+ results in the formation of carrier-free (66,67)Ge and (66,67)As radionuclides, respectively, along with their corresponding decay products, (66,67)Ga in the matrix. The carrier free...

Review: cholinesterase inhibitors have a modest effect on neuropsychiatric and functional outcomes in Alzheimer's disease.

Evidence-based mental health

Lahiri DK, Farlow MR.
PMID: 12893805
Evid Based Ment Health. 2003 Aug;6(3):94. doi: 10.1136/ebmh.6.3.94.

No abstract available.

Separating innocence and non-innocence of ligands and metals in complexes [(L)Ru(acac)2](n) (n = -1, 0, +1; L = o-iminoquinone or o-iminothioquinone).

Inorganic chemistry

Patra S, Sarkar B, Mobin SM, Kaim W, Lahiri GK.
PMID: 14514323
Inorg Chem. 2003 Oct 06;42(20):6469-73. doi: 10.1021/ic034469h.

The diamagnetic title complexes were obtained from Ru(acac)(2)(CH(3)CN)(2) and 2-aminophenol or 2-aminothiophenol. X-ray structure analysis of (L(1))Ru(acac)(2) (L(1) = o-iminoquinone) revealed C-C intra-ring, C-O, and C-N distances which suggest a Ru(III)-iminosemiquinone oxidation state distribution with antiparallel spin-spin coupling. One-electron...

Increased endogenous nitric oxide release by iron chelation and purinergic activation in the rat carotid body.

The open biochemistry journal

Fung ML, Li M, Lahiri S.
PMID: 18949066
Open Biochem J. 2007;1:1-6. doi: 10.2174/1874091X00701010001. Epub 2007 Jun 15.

We examined the hypothesis that hypoxic chemotransduction with stabilization of HIF-1 and activation of purinoceptors stimulate the endogenous NO production in the rat carotid body. The effects of blockade of purinoceptors with suramin, or blockade of HIF-1alpha hydroxylation by...

Separation of (134)Cs and (152)Eu using inorganic ion exchangers, zirconium vanadate and ceric vanadate.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Lahiri S, Roy K, Bhattacharya S, Maji S, Basu S.
PMID: 15919208
Appl Radiat Isot. 2005 Sep;63(3):293-7. doi: 10.1016/j.apradiso.2005.03.007.

Two inorganic ion exchangers, zirconium vanadate and ceric vanadate were synthesized and applied to confine and separate (152)Eu and (134)Cs from a synthetic mixture. The percentages of adsorption of the two radionuclides were studied for the two ion exchangers...

Speciation-dependent studies on removal of arsenic by iron-doped calcium alginate beads.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Banerjee A, Nayak D, Lahiri S.
PMID: 17434741
Appl Radiat Isot. 2007 Jul;65(7):769-75. doi: 10.1016/j.apradiso.2007.02.007. Epub 2007 Mar 12.

This work aims to study the differential attitude of Fe-doped calcium alginate (Fe-CA) beads towards As(III) and As(V) compounds so that speciation-dependent environmentally sustainable methodologies can be developed for removal of arsenic from contaminated water. Throughout the experiment, (76)As...

Polarization dependent properties of waveguide arrays: band-structure anomaly and high-band localizations.

Optics express

Lahini Y, Mandelik D, Silberberg Y, Morandotti R.
PMID: 19495056
Opt Express. 2005 Mar 21;13(6):1762-73. doi: 10.1364/opex.13.001762.

We experimentally study polarization dependent linear and nonlinear dynamics in waveguide arrays. We found that in certain arrays, the band structure and the modal shapes of the array modes are markedly different for the two polarizations, in a manner...

Zebrafish cell clocks feel the heat and see the light!.

Zebrafish

Vallone D, Lahiri K, Dickmeis T, Foulkes NS.
PMID: 18248192
Zebrafish. 2005;2(3):171-87. doi: 10.1089/zeb.2005.2.171.

The zebrafish has rapidly become established as one of the most valuable vertebrate models for studying circadian clock function. A major initial attraction was its utility in large-scale genetic screens. It subsequently emerged that most zebrafish cells possess circadian...

Universal correlations in a nonlinear periodic 1D system.

Physical review letters

Silberberg Y, Lahini Y, Bromberg Y, Small E, Morandotti R.
PMID: 19658937
Phys Rev Lett. 2009 Jun 12;102(23):233904. doi: 10.1103/PhysRevLett.102.233904. Epub 2009 Jun 12.

When a periodic 1D system described by a tight-binding model is uniformly initialized with equal amplitudes at all sites, yet with completely random phases, it evolves into a thermal distribution with no spatial correlations. However, when the system is...

Intramolecular valence and spin interaction in meso and rac diastereomers of a p-quinonoid-bridged diruthenium complex.

Journal of the American Chemical Society

Kumbhakar D, Sarkar B, Maji S, Mobin SM, Fiedler J, Urbanos FA, Jiménez-Aparicio R, Kaim W, Lahiri GK.
PMID: 19053401
J Am Chem Soc. 2008 Dec 24;130(51):17575-83. doi: 10.1021/ja807043s.

The complexes meso- and rac-[(acac)2Ru(mu-L)Ru(acac)2]n, 1 and 2, where L(2-) = 1,4-dioxido-2,3-bis(3,5-dimethylpyrazol-1'-yl)benzene and acac- = 2,4-pentanedionato, were characterized structurally, magnetically, electrochemically, and spectroscopically as well as spectroelectrochemically (UV-vis-NIR, EPR) in the accessible redox states (n = 0, +, -,...

Asymmetric split ring resonators for optical sensing of organic materials.

Optics express

Lahiri B, Khokhar AZ, De La Rue RM, McMeekin SG, Johnson NP.
PMID: 19158928
Opt Express. 2009 Jan 19;17(2):1107-15. doi: 10.1364/oe.17.001107.

Asymmetric Split Ring Resonators are known to exhibit resonant modes where the optical electric field is strongest near the ends of the arms, thereby increasing the sensitivity of spectral techniques such as surface enhanced Raman scattering (SERS). By producing...

Non-innocent behaviour of ancillary and bridging ligands in homovalent and mixed-valent ruthenium complexes [A2Ru(mu-L)RuA2]n, A = 2,4-pentanedionato or 2-phenylazopyridine, L(2-) = 2,5-bis(2-oxidophenyl)pyrazine.

Dalton transactions (Cambridge, England : 2003)

Maji S, Sarkar B, Mobin SM, Fiedler J, Kaim W, Lahiri GK.
PMID: 17844663
Dalton Trans. 2007 Jun 21;(23):2411-8. doi: 10.1039/b701511a.

Structurally characterised 2,5-bis(2-hydroxyphenyl)pyrazine (H2L) can be partially or fully deprotonated to form the complexes [(acac)2Ru(mu-L)Ru(acac)2], [1], acac = acetylacetonato = 2,4-pentanedionato, [(pap)2Ru(mu-L)Ru(pap)2](ClO4)2, [2](ClO4)2, pap = 2-phenylazopyridine, or [(pap)2Ru(HL)](ClO4), [3](ClO4). Several reversible oxidation and reduction processes were observed in each...

Showing 25 to 36 of 747 entries