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Showing 13 to 24 of 472 entries
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Tracking Rh Atoms in Zeolite HY: First Steps of Metal Cluster Formation and Influence of Metal Nuclearity on Catalysis of Ethylene Hydrogenation and Ethylene Dimerization.

The journal of physical chemistry letters

Yang D, Xu P, Browning ND, Gates BC.
PMID: 27315020
J Phys Chem Lett. 2016 Jul 07;7(13):2537-43. doi: 10.1021/acs.jpclett.6b01153. Epub 2016 Jun 22.

The initial steps of rhodium cluster formation from zeolite-supported mononuclear Rh(C2H4)2 complexes in H2 at 373 K and 1 bar were investigated by infrared and extended X-ray absorption fine structure spectroscopies and scanning transmission electron microscopy (STEM). The data...

Muscle mitochondrial stress adaptation operates independently of endogenous FGF21 action.

Molecular metabolism

Ost M, Coleman V, Voigt A, van Schothorst EM, Keipert S, van der Stelt I, Ringel S, Graja A, Ambrosi T, Kipp AP, Jastroch M, Schulz TJ, Keijer J, Klaus S.
PMID: 26909316
Mol Metab. 2015 Nov 24;5(2):79-90. doi: 10.1016/j.molmet.2015.11.002. eCollection 2016 Feb.

OBJECTIVE: Fibroblast growth factor 21 (FGF21) was recently discovered as stress-induced myokine during mitochondrial disease and proposed as key metabolic mediator of the integrated stress response (ISR) presumably causing systemic metabolic improvements. Curiously, the precise cell-non-autonomous and cell-autonomous relevance...

Tip-enhanced Raman nanographs: mapping topography and local electric fields.

Nano letters

El-Khoury PZ, Gong Y, Abellan P, Arey BW, Joly AG, Hu D, Evans JE, Browning ND, Hess WP.
PMID: 25741776
Nano Lett. 2015 Apr 08;15(4):2385-90. doi: 10.1021/acs.nanolett.5b00609. Epub 2015 Mar 09.

We report tip-enhanced Raman imaging experiments in which information on sample topography and local electric fields is simultaneously obtained using an all-optical detection scheme. We demonstrate how a Raman-active 4,4'-dimercaptostilbene (DMS)-coated gold tip of an atomic force microscope can...

Comparison of the Distribution of Morphological Disorganization of Pigmented Lesions in a Community-based Practice versus a University-based Clinical Setting as Measured by a Multispectral Digital Skin Lesion Analysis Device: Impact on Diagnosis.

The Journal of clinical and aesthetic dermatology

Winkelmann RR, Nikolaidis G, Rigel DS, Tucker N, Speck L.
PMID: 25741398
J Clin Aesthet Dermatol. 2015 Feb;8(2):16-8.

OBJECTIVE: To observe how a multispectral digital skin lesion analysis device was used by dermatologists in a community-based clinical setting and determine differences from a university-based environment.DESIGN: Use of multispectral digital skin lesion analysis was incorporated into a community-based...

The American Academy of Dermatology: challenges and opportunities as we approach the new century.

The Journal of dermatology

Rigel DS.
PMID: 10635611
J Dermatol. 1999 Nov;26(11):711-2. doi: 10.1111/j.1346-8138.1999.tb02080.x.

No abstract available.

Magnetic phrenic nerve stimulation to assess diaphragm function in children following liver transplantation.

Pediatric critical care medicine : a journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies

Rafferty GF, Greenough A, Manczur T, Polkey MI, Harris ML, Heaton ND, Rela M, Moxham J.
PMID: 12797870
Pediatr Crit Care Med. 2001 Apr;2(2):122-126. doi: 10.1097/00130478-200104000-00005.

BACKGROUND: An accurate and practical test of diaphragm function in children in the intensive care unit is desirable. Diaphragm dysfunction can occur after liver transplantation and may be a contributory factor in the respiratory complications after the procedure. OBJECTIVE:...

A novel sensor for monitoring acoustic cavitation. Part II: Prototype performance evaluation.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Zeqiri B, Lee ND, Hodnett M, Gélat PN.
PMID: 14609075
IEEE Trans Ultrason Ferroelectr Freq Control. 2003 Oct;50(10):1351-62. doi: 10.1109/tuffc.2003.1244752.

This paper describes a series of experimental studies to evaluate the performance of newly developed sensors for monitoring broadband acoustic emissions generated by acoustic cavitation. The prototype sensors are fabricated in the form of hollow, open-ended cylinders, whose inner...

Synthesis and characterization of elusive cyclo-di- and -tri-phosphino-1,3-diphosphonium salts: fundamental frameworks in catena-organophosphorus chemistry.

Chemical communications (Cambridge, England)

Riegel SD, Burford N, Lumsden MD, Decken A.
PMID: 17989827
Chem Commun (Camb). 2007 Nov 28;(44):4668-70. doi: 10.1039/b707741f. Epub 2007 Sep 17.

Reaction of a cyclophosphinophosphonium cation with neat MeOTf represents a general and high-yield synthetic approach to dications enabling the isolation of the first derivatives of 2,4,5-triphosphino-1,3-diphosphonium as bis-triflate salts.

Quantification of the size-dependent energy gap of individual CdSe quantum dots by valence electron energy-loss spectroscopy.

Ultramicroscopy

Erni R, Browning ND.
PMID: 16996213
Ultramicroscopy. 2007 Feb-Mar;107(2):267-73. doi: 10.1016/j.ultramic.2006.08.002. Epub 2006 Sep 07.

Valence electron energy-loss spectroscopy (VEELS) performed in a monochromated scanning transmission electron microscope was used to measure the energy gaps of individual quantum dots (QDs). The gap energies of a series of CdSe QDs measured by VEELS reveal the...

Analysis of extraterrestrial particles using monochromated electron energy-loss spectroscopy.

Micron (Oxford, England : 1993)

Erni R, Browning ND, Dai ZR, Bradley JP.
PMID: 15857776
Micron. 2005;36(4):369-79. doi: 10.1016/j.micron.2004.12.011. Epub 2005 Feb 22.

A monochromated (scanning) transmission electron microscope was used to analyze individual sub-micron grains within interplanetary dust particles (IDP). Using low-loss and core-loss electron energy-loss spectroscopy, we analyzed fluid and gas inclusions within vesiculated alumosilicate grains. It is shown that...

Catalytic Effect of the Chromic Ion in the Barker Method for Protein-bound Iodine Determination.

Science (New York, N.Y.)

Carr EA, Graham OE, Ober S, Riggs DS.
PMID: 17732076
Science. 1950 May 19;111(2890):552. doi: 10.1126/science.111.2890.552.

No abstract available.

Comparison of comet 81P/Wild 2 dust with interplanetary dust from comets.

Science (New York, N.Y.)

Ishii HA, Bradley JP, Dai ZR, Chi M, Kearsley AT, Burchell MJ, Browning ND, Molster F.
PMID: 18218892
Science. 2008 Jan 25;319(5862):447-50. doi: 10.1126/science.1150683.

The Stardust mission returned the first sample of a known outer solar system body, comet 81P/Wild 2, to Earth. The sample was expected to resemble chondritic porous interplanetary dust particles because many, and possibly all, such particles are derived...

Showing 13 to 24 of 472 entries