Marek Piechowicz
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View article: Impact of Water Extraction on Malonamide Aggregation: A Molecular Dynamics and Graph Theoretic Approach
Impact of Water Extraction on Malonamide Aggregation: A Molecular Dynamics and Graph Theoretic Approach Open
Solution structure in liquid-liquid extraction affects the efficacy of separation; however, even for simplified organic phases, structural characterization and attribution of aggregation to intermolecular interactions are fundamental chall…
View article: Molecular-scale origins of solution nanostructure and excess thermodynamic properties in a water/amphiphile mixture
Molecular-scale origins of solution nanostructure and excess thermodynamic properties in a water/amphiphile mixture Open
The molecular and nanoscale origins of nonideality in excess thermodynamic properties are essential to understanding cosolvent mixtures, yet they remain challenging to determine.
View article: Amphiphile Organization in Organic Solutions: An Alternative Explanation for Small-Angle X-ray Scattering Features in Malonamide/Alkane Mixtures
Amphiphile Organization in Organic Solutions: An Alternative Explanation for Small-Angle X-ray Scattering Features in Malonamide/Alkane Mixtures Open
The role of different intermolecular interactions in the aggregation of amphiphiles in an organic solvent is studied for systems of relevance to liquid-liquid extraction (LLE), a chemical process used to selectively recover metals from com…
View article: Leveraging Actinide Hydrolysis Chemistry for Targeted Th and U Separations using Amidoxime‐Functionalized Poly(HIPE)s
Leveraging Actinide Hydrolysis Chemistry for Targeted Th and U Separations using Amidoxime‐Functionalized Poly(HIPE)s Open
P olymerized h igh i nternal p hase e mulsion s (poly(HIPE)s) are porous polymer monoliths whose synthesis can easily be tailored to allow incorporation of functional units. In this work, nitrile containing poly(HIPE)s have been prepared w…
View article: Studies of Adsorbents for Actinide Separations Relevant to the Nuclear Fuel Cycle
Studies of Adsorbents for Actinide Separations Relevant to the Nuclear Fuel Cycle Open
Our planet is experiencing unprecedented warming due to levels of anthropogenic CO2 in the atmosphere never before attained. Global climate change can only be addressed through a combination of policy, education, and technological effort. …
View article: A Versatile Colorimetric Probe based on Thiosemicarbazide–Amine Proton Transfer
A Versatile Colorimetric Probe based on Thiosemicarbazide–Amine Proton Transfer Open
There is significant interest in the rapid and efficient detection of amines, which are widely used in different industries and also serve as markers in many biological processes. This work reports that the coupling of a thiosemicarbazide …
View article: Insight into selectivity: uptake studies of radionuclides <sup>90</sup>Sr<sup>2+</sup>, <sup>137</sup>Cs<sup>+</sup>, and <sup>233</sup>UO<sub>2</sub><sup>2+</sup> with bis-amidoxime polymers
Insight into selectivity: uptake studies of radionuclides <sup>90</sup>Sr<sup>2+</sup>, <sup>137</sup>Cs<sup>+</sup>, and <sup>233</sup>UO<sub>2</sub><sup>2+</sup> with bis-amidoxime polymers Open
Density functional theory and separation experiments combine to demonstrate the selectivity of bis-amidoxime polymer for uranyl extraction from aqueous solution.
View article: CCDC 1855268: Experimental Crystal Structure Determination
CCDC 1855268: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1530634: Experimental Crystal Structure Determination
CCDC 1530634: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1421017: Experimental Crystal Structure Determination
CCDC 1421017: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: A report on emergent uranyl binding phenomena by an amidoxime phosphonic acid co-polymer
A report on emergent uranyl binding phenomena by an amidoxime phosphonic acid co-polymer Open
XAFS investigations of uranyl binding by an adsorbent polymer reveal different coordination modes than anticipated from previous small molecule studies.