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Showing 1 to 12 of 51 entries
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Structure and Reactivity of X-ray Amorphous Uranyl Peroxide, U2O7.

Inorganic chemistry

Odoh SO, Shamblin J, Colla CA, Hickam S, Lobeck HL, Lopez RA, Olds T, Szymanowski JE, Sigmon GE, Neuefeind J, Casey WH, Lang M, Gagliardi L, Burns PC.
PMID: 26974702
Inorg Chem. 2016 Apr 04;55(7):3541-6. doi: 10.1021/acs.inorgchem.6b00017. Epub 2016 Mar 14.

Recent accidents resulting in worker injury and radioactive contamination occurred due to pressurization of uranium yellowcake drums produced in the western U.S.A. The drums contained an X-ray amorphous reactive form of uranium oxide that may have contributed to the...

Hybrid uranyl-vanadium nano-wheels.

Chemical communications (Cambridge, England)

Senchyk GA, Wylie EM, Prizio S, Szymanowski JE, Sigmon GE, Burns PC.
PMID: 26008125
Chem Commun (Camb). 2015 Jun 25;51(50):10134-7. doi: 10.1039/c5cc01524c.

Hybrid uranyl-vanadium oxide clusters intermediate between transition metal polyoxometalates and uranyl peroxide cage clusters were obtained by dissolving uranyl nitrate in the ionic liquid 3-ethyl-1-methylimidazolium ethyl sulfate mixed with an aqueous solution containing vanadium. Where sulfate was present, wheel-shaped...

Separation of phenols from aqueous micellar solutions by cloud point extraction.

Journal of colloid and interface science

Materna K, Szymanowski J.
PMID: 12702385
J Colloid Interface Sci. 2002 Nov 01;255(1):195-201. doi: 10.1006/jcis.2002.8613.

The cloud point technique was used to recover phenol, 4-methylphenol, and 4-nitrophenol from aqueous solutions using oxyethylated methyl dodecanoates as nonionic surfactants. Oxyethylated methyl dodecanoates are convenient nonionic surfactants for such separations. Their cloud points can be easily modified...

Hybrid uranium-oxalate fullerene topology cage clusters.

Angewandte Chemie (International ed. in English)

Ling J, Wallace CM, Szymanowski JE, Burns PC.
PMID: 20740514
Angew Chem Int Ed Engl. 2010 Sep 24;49(40):7271-3. doi: 10.1002/anie.201003197.

No abstract available.

Low-symmetry uranyl pyrophosphate cage clusters.

Chemistry (Weinheim an der Bergstrasse, Germany)

Ling J, Qiu J, Szymanowski JE, Burns PC.
PMID: 21280110
Chemistry. 2011 Feb 25;17(9):2571-4. doi: 10.1002/chem.201003481. Epub 2011 Jan 30.

No abstract available.

Expanding the Schulze-Hardy Rule and the Hofmeister Series to Nanometer-Scaled Hydrophilic Macroions.

Chemistry (Weinheim an der Bergstrasse, Germany)

Chu Y, Chen J, Haso F, Gao Y, Szymanowski JES, Burns PC, Liu T.
PMID: 29582490
Chemistry. 2018 Apr 11;24(21):5479-5483. doi: 10.1002/chem.201706101. Epub 2018 Mar 26.

The Schulze-Hardy rule is a well-established observation in colloid science (can be derived from the DLVO theory) that demonstrates the relationship between the critical coagulation concentration (CCC) of colloids and the valence of extra counterionic electrolytes (z), with a...

Sulfate-Centered Sodium-Icosahedron-Templated Uranyl Peroxide Phosphate Cages with Uranyl Bridged by μ-η.

Inorganic chemistry

Qiu J, Spano TL, Dembowski M, Kokot AM, Szymanowski JE, Burns PC.
PMID: 28134511
Inorg Chem. 2017 Feb 20;56(4):1874-1880. doi: 10.1021/acs.inorgchem.6b02429. Epub 2017 Jan 30.

Two novel hybrid uranyl peroxide phosphate cage clusters, designated U

Hybrid Lanthanide-Actinide Peroxide Cage Clusters.

Inorganic chemistry

Sigmon GE, Szymanowski JE, Carter KP, Cahill CL, Burns PC.
PMID: 26923457
Inorg Chem. 2016 Mar 21;55(6):2682-4. doi: 10.1021/acs.inorgchem.6b00207. Epub 2016 Feb 29.

A cage cluster consisting of 31 uranyl and 9 Sm(3+) polyhedra self-assembles in an alkaline aqueous peroxide solution and crystallizes (U31Sm9). Trimers of Sm(3+) polyhedra are templated by μ3-η(2):η(2):η(2)-peroxide groups and link to oxo atoms of uranyl ions. Three...

FLUKA Simulations of .

Materials (Basel, Switzerland)

Gójska AM, Kozioł K, Wasilewski A, Miśta-Jakubowska EA, Mazerewicz P, Szymanowski J.
PMID: 34442984
Materials (Basel). 2021 Aug 09;14(16). doi: 10.3390/ma14164462.

The numerical simulations of Cu Kα and Cu Kβ fluorescence lines induced by Rh X-ray tube and by monoenergetic radiation have been presented. The copper Kβ/Kα intensity ratios for pure elements as well as for Ag-Cu alloys have been...

Neptunyl Peroxide Chemistry: Synthesis and Spectroscopic Characterization of a Neptunyl Triperoxide Compound, Ca.

Inorganic chemistry

Hickam S, Ray D, Szymanowski JES, Li RY, Dembowski M, Smith P, Gagliardi L, Burns PC.
PMID: 31448599
Inorg Chem. 2019 Sep 16;58(18):12264-12271. doi: 10.1021/acs.inorgchem.9b01712. Epub 2019 Aug 26.

Little is known about the crystal chemistry of neptunyl peroxide compounds compared to uranyl peroxide compounds, for which dozens of structures have been described. Uranyl peroxides are formed over a broad range of pH and solution conditions, but neptunyl...

Radiation-Induced Solid-State Transformations of Uranyl Peroxides.

Inorganic chemistry

Fairley M, Felton DE, Sigmon GE, Szymanowski JES, Poole NA, Nyman M, Burns PC, LaVerne JA.
PMID: 34965099
Inorg Chem. 2022 Jan 17;61(2):882-889. doi: 10.1021/acs.inorgchem.1c02603. Epub 2021 Dec 29.

Single-crystal X-ray diffraction studies of pristine and γ-irradiated Ca

Expanding the crystal chemistry of uranyl peroxides: four hybrid uranyl-peroxide structures containing EDTA.

Inorganic chemistry

Qiu J, Ling J, Sieradzki C, Nguyen K, Wylie EM, Szymanowski JE, Burns PC.
PMID: 25350361
Inorg Chem. 2014 Nov 17;53(22):12084-91. doi: 10.1021/ic5018906. Epub 2014 Oct 28.

The first four uranyl peroxide compounds containing ethylenediaminetetra-acetate (EDTA) were synthesized and characterized from aqueous uranyl peroxide nitrate solutions with a pH range of 5-7. Raman spectra demonstrated that reaction solutions that crystallized [NaK15[(UO2)8(O2)8(C10H12O10N2)2(C2O4)4]·(H2O)14] (1) and [Li4K6[(UO2)8(O2)6(C10H12O10N2)2(NO3)6]·(H2O)26] (2) contained...

Showing 1 to 12 of 51 entries