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Showing 25 to 36 of 453 entries
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Cage-forming compounds in the Ba-Rh-Ge system: from thermoelectrics to superconductivity.

Inorganic chemistry

Falmbigl M, Kneidinger F, Chen M, Grytsiv A, Michor H, Royanian E, Bauer E, Effenberger H, Podloucky R, Rogl P.
PMID: 23286379
Inorg Chem. 2013 Jan 18;52(2):931-43. doi: 10.1021/ic302139r. Epub 2013 Jan 03.

Phase relations and solidification behavior in the Ge-rich part of the phase diagram have been determined in two isothermal sections at 700 and 750 °C and in a liquidus projection. A reaction scheme has been derived in the form...

Steric Crowding Makes Challenging C(sp3)-F Reductive Eliminations Feasible.

Organometallics

Zhao SB, Becker JJ, Gagné MR.
PMID: 21869853
Organometallics. 2011 Aug 08;30(15):3926-3929. doi: 10.1021/om200515f.

A high-yielding fluorination of (triphos)Pt-R(+) has been achieved using an array of F(+) sources, with XeF(2) yielding R-F in minutes. The C-F coupling proved to be a stereoretentive process that proceeds via a concerted reductive elimination from a putative...

Platinum(II) Enyne Cycloisomerization Catalysis: Intermediates and Resting States.

Organometallics

Nelsen DL, Gagné MR.
PMID: 20160853
Organometallics. 2009 Feb 23;28(4):950-952. doi: 10.1021/om801069s.

In situ generated [(PPP)Pt][BF(4)](2) (PPP = triphos) catalyzes the cycloisomerization of 1,6-enyne-ols by initiative pi-activation of the alkyne. This generates an isolable cationic Pt-alkenyl species which subsequently participates in turnover limiting protonolysis with in situ generated acid. This latter...

Underreporting of robotic surgery complications.

Journal for healthcare quality : official publication of the National Association for Healthcare Quality

Cooper MA, Ibrahim A, Lyu H, Makary MA.
PMID: 23980819
J Healthc Qual. 2015 Mar-Apr;37(2):133-8. doi: 10.1111/jhq.12036.

BACKGROUND: Since its Food and Drug Administration (FDA) approval, robot-assisted laparoscopic surgery has grown with expanding indications. One factor used to expand indications is device-related complications. We designed a study to evaluate device-related robotic surgery complications reported to FDA.METHODS:...

Sickle cell disease in children: accuracy of imaging transcranial Doppler ultrasonography in detection of intracranial arterial stenosis.

The neuroradiology journal

Arkuszewski M, Krejza J, Chen R, Kwiatkowski JL, Ichord R, Zimmerman R, Ohene-Frempong K, Melhem ER.
PMID: 24029032
Neuroradiol J. 2012 Sep;25(4):402-10. doi: 10.1177/197140091202500402. Epub 2012 Sep 06.

This study aimed to determine the accuracy of imaging transcranial Doppler sonography in detection of intracranial arterial stenosis in children with sickle cell disease using three-dimensional MR angiography as a reference standard. Sixty-one children (mean age 102±39 months, 30...

Synthesis and characterization of compounds Sr2RMCu2O8- delta (R=Pr, Nd, Sm, Eu, Gd; M=Nb, Ta).

Physical review. B, Condensed matter

Divis M, Fischer P, Hilscher G, Holubar T, Michor H, Perthold W, Rogl P, Vybornov M.
PMID: 9980721
Phys Rev B Condens Matter. 1995 Jul 01;52(2):1389-1404. doi: 10.1103/physrevb.52.1389.

No abstract available.

Wheat prolamine crosslinking through dityrosine formation catalyzed by peroxidases: improvement in the modification of a poorly accessible substrate by "indirect" catalysis .

Biotechnology and bioengineering

Ferrasson E, Gueguen J, Michon T, Wang W.
PMID: 10099625
Biotechnol Bioeng. 1999 May 20;63(4):449-58. doi: 10.1002/(sici)1097-0290(19990520)63:4<449::aid-bit8>3.0.co;2-m.

"Enzyme-assisted" oxidative polymerization of wheat gliadins was performed in an attempt to obtain new protein-based networks. Two plant peroxidases (soybean and horseradish) were used to induce the dimerization of tyrosine residues. The results show that tyrosines are poorly modified...

The half Heusler system Ti.

Dalton transactions (Cambridge, England : 2003)

Tavassoli A, Grytsiv A, Rogl G, Romaka VV, Michor H, Reissner M, Bauer E, Zehetbauer M, Rogl P.
PMID: 29255824
Dalton Trans. 2018 Jan 15;47(3):879-897. doi: 10.1039/c7dt03787b.

Investigations of phase relations in the ternary system Ti-Fe-Sb show that the single-phase region of the Heusler phase is significantly shifted from stoichiometric TiFeSb (reported previously in the literature) to the Fe-rich composition TiFe

Actin cytoskeleton and exocytosis in rat melanotrophs.

Pflugers Archiv : European journal of physiology

Chowdhury HH, Popoff MR, Zorec R.
PMID: 28176104
Pflugers Arch. 2000 Jan;439:r148-r149. doi: 10.1007/s004240000125.

We monitored secretory activity of single rat melanotrophs by the patch-clamp membrane capacitance measurements (C

Investigating the rate of photoreductive glucosyl radical generation.

Organic letters

Andrews RS, Becker JJ, Gagné MR.
PMID: 21473567
Org Lett. 2011 May 06;13(9):2406-9. doi: 10.1021/ol200644w. Epub 2011 Apr 07.

The photoreduction of glucosyl halides to generate glucosyl radicals has been investigated to probe the nature of the photoredox cycle. Amine (the reductant) and catalyst concentration affect the reaction rate at low concentrations but exhibit saturation at higher concentrations....

Fitness trade-offs and developmental constraints in the evolution of soma: an experimental study in a volvocine alga.

Evolutionary ecology research

Herron MD, Ghimire S, Vinikoor CR, Michod RE.
PMID: 31354387
Evol Ecol Res. 2014;16(3):203-221.

BACKGROUND: The evolution of mortal somatic cells was a critical step in the evolution of complex body plans and the major radiations of multicellular life. In the volvocine green algae, somatic cells are hypothesized to mitigate an increasing cost...

Calorimetric determination of the magnetic phase diagram of underdoped ortho II YBa2Cu3O6.54 single crystals.

Nature communications

Marcenat C, Demuer A, Beauvois K, Michon B, Grockowiak A, Liang R, Hardy W, Bonn DA, Klein T.
PMID: 26294047
Nat Commun. 2015 Aug 21;6:7927. doi: 10.1038/ncomms8927.

The recent discovery of a charge order in underdoped YBa2Cu3Oy raised the question of the interplay between superconductivity and this competing phase. Understanding the normal state of high-temperature superconductors is now an essential step towards the description of the...

Showing 25 to 36 of 453 entries