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Showing 1 to 12 of 178 entries
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Crohn's disease in married couples.

Lancet (London, England)

Lobo AJ, Foster PN, Sobala GM, Axon AT.
PMID: 2895233
Lancet. 1988 Mar 26;1(8587):704-5. doi: 10.1016/s0140-6736(88)91502-4.

No abstract available.

Real-time Crystal Growth Visualization and Quantification by Energy-Resolved Neutron Imaging.

Scientific reports

Tremsin AS, Perrodin D, Losko AS, Vogel SC, Bourke MAM, Bizarri GA, Bourret ED.
PMID: 28425461
Sci Rep. 2017 Apr 20;7:46275. doi: 10.1038/srep46275.

Energy-resolved neutron imaging is investigated as a real-time diagnostic tool for visualization and in-situ measurements of "blind" processes. This technique is demonstrated for the Bridgman-type crystal growth enabling remote and direct measurements of growth parameters crucial for process optimization....

How are we managing fistulating perianal Crohn's disease? Results of a national survey of consultant gastroenterologists.

Frontline gastroenterology

Lee MJ, Brown SR, Fearnhead NS, Hart A, Lobo AJ.
PMID: 29484156
Frontline Gastroenterol. 2018 Jan;9(1):16-22. doi: 10.1136/flgastro-2017-100866. Epub 2017 Sep 23.

OBJECTIVE: Fistulating perianal Crohn's disease represents a significant challenge to both clinicians and patients. This survey set out to describe current practice and variation in the medical management of this condition.DESIGN: A survey was designed by an expert group...

Birdshot chorioretinopathy in a male patient with facioscapulohumeral muscular dystrophy.

Journal of ophthalmic inflammation and infection

Papavasileiou E, Lobo AM.
PMID: 25861398
J Ophthalmic Inflamm Infect. 2015 Mar 12;5:7. doi: 10.1186/s12348-014-0030-z. eCollection 2015.

We report a case of birdshot chorioretinopathy (BSCR) in a patient with facioscapulohumeral muscular dystrophy (FSHD). A 40-year-old male with history of facioscapulohumeral muscular dystrophy with significant facial diplegia and lagophthalmos presents for an evaluation of bilateral choroiditis with...

Journal of applied crystallography

Tremsin AS, Makowska MG, Perrodin D, Shalapska T, Khodyuk IV, Trtik P, Boillat P, Vogel SC, Losko AS, Strobl M, Kuhn LT, Bizarri GA, Bourret-Courchesne ED.
PMID: 27275133
J Appl Crystallogr. 2016 Apr 12;49:743-755. doi: 10.1107/S1600576716004350. eCollection 2016 Jun 01.

Neutrons are known to be unique probes in situations where other types of radiation fail to penetrate samples and their surrounding structures. In this paper it is demonstrated how thermal and cold neutron radiography can provide time-resolved imaging of...

Chemistry: the promise of emptiness.

Nature

Lobo RF.
PMID: 17051196
Nature. 2006 Oct 19;443(7113):757-8. doi: 10.1038/443757a.

No abstract available.

Electronic and geometric properties of ETS-10: QM/MM studies of cluster models.

The journal of physical chemistry. B

Zimmerman AM, Doren DJ, Lobo RF.
PMID: 16671701
J Phys Chem B. 2006 May 11;110(18):8959-64. doi: 10.1021/jp0608877.

Hybrid DFT/MM methods have been used to investigate the electronic and geometric properties of the microporous titanosilicate ETS-10. A comparison of finite length and periodic models demonstrates that band gap energies for ETS-10 can be well represented with relatively...

The effect of nanocrystal surface structure on the luminescence properties: photoemission study of HF-etched InP nanocrystals.

The Journal of chemical physics

Adam S, Talapin DV, Borchert H, Lobo A, McGinley C, de Castro AR, Haase M, Weller H, Möller T.
PMID: 16164320
J Chem Phys. 2005 Aug 22;123(8):084706. doi: 10.1063/1.2004901.

InP nanocrystals with narrow size distribution and mean particle diameter tunable from approximately 2 up to approximately 7 nm were synthesized via the dehalosilylation reaction between InCl3 and tris(trimethylsilyl)phosphine. Specific capping of the nanocrystal surface with a shell of...

Physical basis for the formation and stability of silica nanoparticles in basic solutions of monovalent cations.

Langmuir : the ACS journal of surfaces and colloids

Rimer JD, Lobo RF, Vlachos DG.
PMID: 16142985
Langmuir. 2005 Sep 13;21(19):8960-71. doi: 10.1021/la0511384.

The colloidal stability, phase behavior, and solubility of silica nanoparticles (3-10 nm) that are formed in basic solutions of monovalent cations (primarily tetrapropylammonium) are investigated using a combination of chemical equilibria and electrostatic models. The free-energy gain associated with...

Photoelectron spectroscopic investigations of chemical bonding in organically stabilized PbS nanocrystals.

The journal of physical chemistry. B

Lobo A, Möller T, Nagel M, Borchert H, Hickey SG, Weller H.
PMID: 16853227
J Phys Chem B. 2005 Sep 22;109(37):17422-8. doi: 10.1021/jp0525888.

The surface structure of organically capped PbS nanocrystals using synchrotron radiation excited core-level photoelectron spectroscopy has been studied. The nanocrystallites prepared by methods of colloidal chemistry have average diameters of 3.1, 3.9, 4.6, and 7.6 nm with narrow size...

Structure and colloidal stability of nanosized zeolite beta precursors.

Langmuir : the ACS journal of surfaces and colloids

Hould ND, Kumar S, Tsapatsis M, Nikolakis V, Lobo RF.
PMID: 19725568
Langmuir. 2010 Jan 19;26(2):1260-70. doi: 10.1021/la902445c.

We report the mechanism of zeolite beta nucleation and growth at 120 degrees C in Al-containing solutions. Two solutions with molar compositions 1 SiO(2)/80 H(2)O/0.25 TEA(2)O/4 CH(3)CH(2)OH/(0.05 + Y) Na(2)O/Y Al(2)O(3), where Y is 0 and 0.01, were studied...

Initial stages of self-organization of silica-alumina gels in zeolite synthesis.

Langmuir : the ACS journal of surfaces and colloids

Fedeyko JM, Egolf-Fox H, Fickel DW, Vlachos DG, Lobo RF.
PMID: 17341101
Langmuir. 2007 Apr 10;23(8):4532-40. doi: 10.1021/la062808o. Epub 2007 Mar 07.

We report the effect of aluminum on the formation and structure of silica nanoparticles formed in basic solutions of small organic and inorganic cations using a combination of small-angle X-ray scattering, conductivity, pH, and 27Al NMR spectroscopy methods. At...

Showing 1 to 12 of 178 entries