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Preparation of USY zeolite VOx supported catalysts from V(AcAc)3 and NH4VO3. Catalytic properties for the dehydrogenation of n-butane in oxygen-free atmosphere.

Journal of colloid and interface science

Garcia EM, Sanchez MD, Tonetto G, Volpe MA.
PMID: 16023658
J Colloid Interface Sci. 2005 Dec 01;292(1):179-85. doi: 10.1016/j.jcis.2005.05.055. Epub 2005 Jul 14.

The preparation of different samples of vanadia supported on ultrastable zeolite (VO(x)/USY) is discussed. The samples were prepared in order to obtain highly dispersed V-species, avoiding the formation of crystalline vanadia and the destruction of the zeolite framework. Two...

Requirements for in vitro rooting of Quercus robur and Q. rubra shoots derived from mature trees.

Tree physiology

Sanchez MC, San-Jose MC, Ballester A, Vieitez AM.
PMID: 14871689
Tree Physiol. 1996 Aug;16(8):673-80. doi: 10.1093/treephys/16.8.673.

Stabilized shoot cultures initiated from crown material of six adult Quercus robur L. trees and from basal epicormic shoots of a Quercus rubra L. tree showed good in vitro rooting capacity. An initial five-day dark period generally improved the...

First experimental demonstration of self-synchronous phase locking of an optical array.

Optics express

Shay TM, Benham V, Baker JT, Ward B, Sanchez AD, Culpepper MA, Pilkington D, Spring J, Nelson DJ, Lu CA.
PMID: 19529628
Opt Express. 2006 Dec 11;14(25):12015-21. doi: 10.1364/oe.14.012015.

A novel, highly accurate, all electronic technique for phase locking arrays of optical fibers is demonstrated. We report the first demonstration of the only electronic phase locking technique that doesn't require a reference beam. The measured phase error is...

Quinolone resistance: much more than predicted.

Frontiers in microbiology

Hernández A, Sánchez MB, Martínez JL.
PMID: 21687414
Front Microbiol. 2011 Feb 11;2:22. doi: 10.3389/fmicb.2011.00022. eCollection 2011.

Since quinolones are synthetic antibiotics, it was predicted that mutations in target genes would be the only mechanism through which resistance could be acquired, because there will not be quinolone-resistance genes in nature. Contrary to this prediction, a variety...

Molecular nevogenesis.

Dermatology research and practice

Ross AL, Sanchez MI, Grichnik JM.
PMID: 21754924
Dermatol Res Pract. 2011;2011:463184. doi: 10.1155/2011/463184. Epub 2011 Apr 06.

Despite recent advances, the biology underlying nevogenesis remains unclear. Activating mutations in NRAS, HRAS, BRAF, and GNAQ have been identified in benign nevi. Their presence roughly correlates with congenital, Spitz, acquired, and blue nevi, respectively. These mutations are likely...

Search for active neutrino disappearance using neutral-current interactions in the MINOS long-baseline experiment.

Physical review letters

Adamson P, Andreopoulos C, Arms KE, Armstrong R, Auty DJ, Ayres DS, Backhouse C, Baller B, Barr G, Barrett WL, Becker BR, Belias A, Bernstein RH, Bhattacharya D, Bishai M, Blake A, Bock GJ, Boehm J, Boehnlein DJ, Bogert D, Bower C, Buckley-Geer E, Cavanaugh S, Chapman JD, Cherdack D, Childress S, Choudhary BC, Cobb JH, Coleman SJ, Culling AJ, de Jong JK, Dierckxsens M, Diwan MV, Dorman M, Dytman SA, Escobar CO, Evans JJ, Harris EF, Feldman GJ, Frohne MV, Gallagher HR, Godley A, Goodman MC, Gouffon P, Gran R, Grashorn EW, Grossman N, Grzelak K, Habig A, Harris D, Harris PG, Hartnell J, Hatcher R, Heller K, Himmel A, Holin A, Hsu L, Hylen J, Irwin GM, Ishitsuka M, Jaffe DE, James C, Jensen D, Kafka T, Kasahara SM, Kim JJ, Kim MS, Koizumi G, Kopp S, Kordosky M, Koskinen DJ, Kotelnikov SK, Kreymer A, Kumaratunga S, Lang K, Ling J, Litchfield PJ, Litchfield RP, Loiacono L, Lucas P, Ma J, Mann WA, Marchionni A, Marshak ML, Marshall JS, Mayer N, McGowan AM, Meier JR, Messier MD, Metelko CJ, Michael DG, Miller WH, Mishra SR, Moore CD, Morfín J, Mualem L, Mufson S, Murgia S, Musser J, Naples D, Nelson JK, Newman HB, Nichol RJ, Nicholls TC, Ochoa-Ricoux JP, Oliver WP, Ospanov R, Paley J, Paolone V, Para A, Patzak T, Pavlović Z, Pawloski G, Pearce GF, Peck CW, Petyt DA, Pittam R, Plunkett RK, Rahaman A, Rameika RA, Raufer TM, Rebel B, Reichenbacher J, Rodrigues PA, Rosenfeld C, Rubin HA, Ryabov VA, Sanchez MC, Saoulidou N, Schneps J, Schreiner P, Shanahan P, Smart W, Smith C, Sousa A, Speakman B, Stamoulis P, Strait M, Tagg N, Talaga RL, Tavera MA, Thomas J, Thomson MA, Thron JL, Tinti G, Trostin I, Tsarev VA, Tzanakos G, Urheim J, Vahle P, Viren B, Ward DR, Watabe M, Weber A, Webb RC, Wehmann A, West N, White C, Wojcicki SG, Wright DM, Yang T, Zhang K, Zwaska R.
PMID: 19113477
Phys Rev Lett. 2008 Nov 28;101(22):221804. doi: 10.1103/PhysRevLett.101.221804. Epub 2008 Nov 26.

We report the first detailed comparisons of the rates and spectra of neutral-current neutrino interactions at two widely separated locations. A depletion in the rate at the far site would indicate mixing between nu(mu) and a sterile particle. No...

Ag(I) complexes with alkylidene-bis(2-aminopyrimidines) as building units for discrete metallomacrocyclic frames. A structural and solution study.

Dalton transactions (Cambridge, England : 2003)

García-Raso A, Fiol JJ, Tasada A, Albertí FM, Molins E, Basallote MG, Máñez MA, Fernández-Trujillo MJ, Sánchez D.
PMID: 16471058
Dalton Trans. 2005 Dec 07;(23):3763-72. doi: 10.1039/b508260a.

Alkylidene-bis(2-aminopyrimidines) (pyr2Cx, x = 2-5) are useful ligands to interact with Ag(I) yielding discrete metallocycles. Crystal structures of the [(pyr2C2)Ag(NO3)]2 and [(H-pyr2C4)Ag(NO3)2]2 have been isolated where each macrocyclic moiety interacts with their surroundings through weak interactions, yielding 3D discrete...

Isotope dilution-thermal ionisation mass spectrometric analysis for tin in a fly ash material.

Analytica chimica acta

Hernández C, Fernández M, Quejido AJ, Sánchez DM, Morante R, Martín R.
PMID: 17723449
Anal Chim Acta. 2006 Jul 07;571(2):279-87. doi: 10.1016/j.aca.2006.04.072. Epub 2006 May 05.

Isotope dilution-thermal ionisation mass spectrometry (ID-TIMS) analysis has been applied to the determination of tin in a fly ash sample supplied by the EC Joint Research Centre (Ispra, Italy). The proposed procedure includes the silica gel/phosphoric acid technique for...

Replication of noise-sustained autocatalytic chemical structures.

The Journal of chemical physics

Izús GG, Deza RR, Sánchez AD.
PMID: 20572694
J Chem Phys. 2010 Jun 21;132(23):234112. doi: 10.1063/1.3432622.

Autocatalytic systems in a differential-flow reactor may undergo a differential-flow-induced chemical instability toward a convectively unstable regime, in which noise-sustained structures may appear. This is the case of a system with Gray-Scott kinetics in a packed-bed reactor, as reported...

First direct observation of muon antineutrino disappearance.

Physical review letters

Adamson P, Andreopoulos C, Auty DJ, Ayres DS, Backhouse C, Barr G, Bishai M, Blake A, Bock GJ, Boehnlein DJ, Bogert D, Cavanaugh S, Cherdack D, Childress S, Choudhary BC, Coelho JA, Coleman SJ, Corwin L, Cronin-Hennessy D, Danko IZ, de Jong JK, Devenish NE, Diwan MV, Dorman M, Escobar CO, Evans JJ, Falk E, Feldman GJ, Frohne MV, Gallagher HR, Gomes RA, Goodman MC, Gouffon P, Graf N, Gran R, Grant N, Grzelak K, Habig A, Harris D, Hartnell J, Hatcher R, Himmel A, Holin A, Howcroft C, Huang X, Hylen J, Ilic J, Irwin GM, Isvan Z, Jaffe DE, James C, Jensen D, Kafka T, Kasahara SM, Koizumi G, Kopp S, Kordosky M, Kreymer A, Lang K, Lefeuvre G, Ling J, Litchfield PJ, Loiacono L, Lucas P, Mann WA, Marshak ML, Mayer N, McGowan AM, Mehdiyev R, Meier JR, Messier MD, Miller WH, Mishra SR, Mitchell J, Moore CD, Morfín J, Mualem L, Mufson S, Musser J, Naples D, Nelson JK, Newman HB, Nichol RJ, Nicholls TC, Nowak JA, Ochoa-Ricoux JP, Oliver WP, Orchanian M, Ospanov R, Paley J, Patterson RB, Pawloski G, Pearce GF, Petyt DA, Phan-Budd S, Plunkett RK, Qiu X, Ratchford J, Raufer TM, Rebel B, Rodrigues PA, Rosenfeld C, Rubin HA, Sanchez MC, Schneps J, Schreiner P, Shanahan P, Sousa A, Stamoulis P, Strait M, Tagg N, Talaga RL, Tetteh-Lartey E, Thomas J, Thomson MA, Tinti G, Toner R, Tzanakos G, Urheim J, Vahle P, Viren B, Weber A, Webb RC, White C, Whitehead L, Wojcicki SG, Yang T, Zwaska R.
PMID: 21797594
Phys Rev Lett. 2011 Jul 08;107(2):021801. doi: 10.1103/PhysRevLett.107.021801. Epub 2011 Jul 05.

This Letter reports the first direct observation of muon antineutrino disappearance. The MINOS experiment has taken data with an accelerator beam optimized for ν(μ) production, accumulating an exposure of 1.71 × 10²⁰ protons on target. In the Far Detector,...

Eliminating amylase testing from the evaluation of pancreatitis in the emergency department.

The western journal of emergency medicine

Volz KA, McGillicuddy DC, Horowitz GL, Wolfe RE, Joyce N, Sanchez LD.
PMID: 21079706
West J Emerg Med. 2010 Sep;11(4):344-7.

BACKGROUND: Alterations in serum biomarkers have been used to evaluate for pancreatitis in the emergency department (ED). Studies have shown lipase to be as sensitive and more specific than amylase in diagnosing pancreatitis and that amylase plus lipase does...

Improved search for Muon-neutrino to electron-neutrino oscillations in MINOS.

Physical review letters

Adamson P, Auty DJ, Ayres DS, Backhouse C, Barr G, Betancourt M, Bishai M, Blake A, Bock GJ, Boehnlein DJ, Bogert D, Cao SV, Cavanaugh S, Cherdack D, Childress S, Coelho JA, Corwin L, Cronin-Hennessy D, Danko IZ, de Jong JK, Devenish NE, Diwan MV, Dorman M, Escobar CO, Evans JJ, Falk E, Feldman GJ, Frohne MV, Gallagher HR, Gomes RA, Goodman MC, Gouffon P, Graf N, Gran R, Grzelak K, Habig A, Hartnell J, Hatcher R, Himmel A, Holin A, Huang X, Hylen J, Irwin GM, Isvan Z, Jaffe DE, James C, Jensen D, Kafka T, Kasahara SM, Koizumi G, Kopp S, Kordosky M, Kreymer A, Lang K, Lefeuvre G, Ling J, Litchfield PJ, Loiacono L, Lucas P, Mann WA, Marshak ML, Mathis M, Mayer N, McGowan AM, Mehdiyev R, Meier JR, Messier MD, Michael DG, Miller WH, Mishra SR, Mitchell J, Moore CD, Mualem L, Mufson S, Musser J, Naples D, Nelson JK, Newman HB, Nichol RJ, Nowak JA, Ochoa-Ricoux JP, Oliver WP, Orchanian M, Paley J, Patterson RB, Pawloski G, Pearce GF, Phan-Budd S, Plunkett RK, Qiu X, Ratchford J, Rebel B, Rosenfeld C, Rubin HA, Sanchez MC, Schneps J, Schreckenberger A, Schreiner P, Shanahan P, Sharma R, Sousa A, Tagg N, Talaga RL, Thomas J, Thomson MA, Toner R, Torretta D, Tzanakos G, Urheim J, Vahle P, Viren B, Walding JJ, Weber A, Webb RC, White C, Whitehead L, Wojcicki SG, Yang T, Zwaska R.
PMID: 22107623
Phys Rev Lett. 2011 Oct 28;107(18):181802. doi: 10.1103/PhysRevLett.107.181802. Epub 2011 Oct 27.

We report the results of a search for ν(e) appearance in a ν(μ) beam in the MINOS long-baseline neutrino experiment. With an improved analysis and an increased exposure of 8.2 × 10(20) protons on the NuMI target at Fermilab,...

Showing 25 to 36 of 659 entries