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R. Lee Penn
University Of Minnesota-Twin Cities
$1,760,923
Attributed
$4,344,816
Total exposure
9
Grants
6
Lead (contact PI)
Attributed= this PI's even-split share of every grant they're on (the fair, additive number). Exposure = full size of all those grants.
Funding over time
peak $1.3M · FY2007–25$2M$1.5M$1M$500K$0
'07
'08
'09
'10
'11
'12
'13
'14
'15
'16
'17
'18
'19
'20
'21
'22
'23
'24
'25
Funding mix
By agency
NSF$4,344,816 · 9
By mechanism
—$4,344,816 · 9
Top collaborators
- William A Arnold3 shared
- Subir K Banerjee2 shared
- Alon V Mccormick1 shared
- Andreas Stein1 shared
- C B Carter1 shared
- David L Kohlstedt1 shared
- Marc A Hillmyer1 shared
- Michael Tsapatsis1 shared
Grant awards (9)
Root Exudate Driven Perturbations of Iron Oxide-Organic Matter Assemblages: Impact on Phase Transformations and Carbon Fractionation$415,000
· FY2025 · MPS · contact PI
Quantitative Elucidation of the Role of Natural Organic Matter Fractions and Models on the Redox Reactivity of Iron Oxide Minerals$450,000
· FY2019 · MPS · contact PI
Quantitative elucidation of the Role of Natural Organic Matter on the Redox Reactivity of Iron Oxide Minerals$435,852
· FY2015 · MPS · contact PI
Evolution of reactive surface area, minearlogy, kinetics, and aggregation during iron oxide mediated contaminant transformation$397,000
· FY2010 · MPS · contact PI
Directed nanoparticle growth by oriented aggregation$377,000
· FY2010 · MPS · contact PI
U.S.-France Planning Visit: Nanostructured Iron Oxides: Nature's Signatures of Environmental Change$19,054
· FY2008 · O/D · contact PI
NIRT: Precise Building Blocks for Hierarchical Nanomanufacturing of Membranes with Molecular Resolution$1,280,000
· FY2007 · ENG
Acquisition of a High-Resolution Transmission Electron Microscope to Enhance Research and Training in the Nanocharacterization of Materials$650,000
· FY2003 · MPS
Collaborative Research: Sediment Nanomagnetism and Environmental Change: The Microbial Mineral Link$320,910
· FY2003 · GEO