Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Michael W, Ambrogio"'
Autor:
Tyler L. Spano, Roger J. Kapsimalis, Cole R. Hexel, N. Alex Zirakparvar, Andrew Miskowiec, Michael W. Ambrogio, Julie B. Smith
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 502:164-175
We investigate the sputtering and ionization process that takes place during secondary ion mass spectrometry (SIMS) analysis in order to develop a better understanding of the underlying controls on elemental and molecular oxide secondary ion yields.
Autor:
N. Alex Zirakparvar, Cole R. Hexel, Andrew J. Miskowiec, Julie B. Smith, Michael W. Ambrogio, Douglas C. Duckworth, Roger Kapsimalis, Brian W. Ticknor
Publikováno v:
Minerals, Vol 9, Iss 5, p 307 (2019)
A NanoSIMS 50 L was used to study the relationship between the 235U/238U atomic and 235U16O/238U16O molecular uranium isotope ratios determined from a variety of uranium compounds (UO2, UO2F2, UO3, UO2(NO3)2·6(H2O), and UF4) and silicates (NIST-610
Externí odkaz:
https://doaj.org/article/b369a132407048068aed1a53ecfb542e
Autor:
Michael W. Ambrogio, Timothy E. McKnight, Tamara J. Keever, Sandra M. Davern, Miguel Toro-González
Publikováno v:
ACS Applied Nano Materials. 3:10565-10570
This letter reports the development of poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) as delivery systems that could potentially encapsulate and improve the administration of radiotherape...
Autor:
Ketan Maheshwari, Jennifer L. Niedziela, Ashley E. Shields, Roger J. Kapsimalis, Michael W. Ambrogio, Brian B. Anderson, Marie C. Kirkegaard, Andrew Miskowiec
Publikováno v:
Optical Materials. 89:295-298
Mixed-phase and low-symmetry systems are widely observed among uranium oxide materials. Amorphous-U2O7 forms during the calcination of studtite, a uranyl peroxide mineral. Using a genetic algorithm search for stable crystalline phases, we have identi
Autor:
Marie C. Kirkegaard, Jennifer L. Niedziela, Michael W. Ambrogio, Andrew Miskowiec, Tyler L. Spano, Brian B. Anderson, Ashley E. Shields
Publikováno v:
Dalton Transactions. 48:13685-13698
Hydrated uranyl fluoride, [(UO2F2)(H2O)]7·4H2O, is not stable at elevated water vapor pressure, undergoing a complete loss of fluorine to form a uranyl hydroxide hydrate. Powder X-ray diffraction data of the resultant uranyl hydroxide species is pre
Autor:
Marie C, Kirkegaard, Tyler L, Spano, Michael W, Ambrogio, J L, Niedziela, Andrew, Miskowiec, Ashley E, Shields, Brian B, Anderson
Publikováno v:
Dalton transactions (Cambridge, England : 2003). 48(36)
Hydrated uranyl fluoride, [(UO2F2)(H2O)]7·4H2O, is not stable at elevated water vapor pressure, undergoing a complete loss of fluorine to form a uranyl hydroxide hydrate. Powder X-ray diffraction data of the resultant uranyl hydroxide species is pre
Autor:
Marie C. Kirkegaard, Jennifer L. Niedziela, Brian B. Anderson, Tyler L. Spano, Michael W. Ambrogio, Ashley E. Shields, Andrew Miskowiec
Publikováno v:
Journal of Nuclear Materials. 529:151889
Under humid conditions, uranyl fluoride ([(UO2F2)(H2O)]7·4H2O) undergoes a loss of fluorine to form a uranyl hydroxide species, which can be further hydrated to form a uranyl peroxide species. X-ray diffraction data of the uranyl peroxide product is
Autor:
Rodney D. Hunt, Tyler L. Spano, Michael W. Ambrogio, Sarah Finkeldei, Jennifer L. Niedziela, Ashley E. Shields, Andrew Miskowiec
Publikováno v:
Journal of Nuclear Materials. 527:151790
Uranium oxides are readily amenable to investigation using Raman spectroscopy, and this technique is frequently used as a chemical analysis tool. We show, in triuranium octoxide (U3O8), the presence of previously unreported Raman peaks located below
Publikováno v:
Inorganic chemistry. 57(10)
We have demonstrated the solid-state formation of a uranyl peroxide (UP) species from hydrated uranyl fluoride via a uranyl hydroxide intermediate, the first observation of a UP species formed in a solid-state reaction. Water vapor pressure is shown
Autor:
Xinqi Chen, Dmitry Malin, Daniel P. Ferris, Vincent L. Cryns, Michael W. Ambrogio, Michael P. Hong, J. Fraser Stoddart, M. Deniz Yilmaz, Youssry Y. Botros, Majed S. Nassar, Mohammed M. Algaradah, Elena Strekalova, Marco Frasconi, Isurika R. Fernando
Publikováno v:
Nanoscale. 7:7178-7183
Gating of mesoporous silica nanoparticles (MSNs) with the stimuli-responsive poly(β-amino ester) has been achieved. This hybrid nanocarrier releases doxorubicin (DOX) under acidic conditions or in the presence of porcine liver esterase. The DOX load