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Recent Submissions
Minitex Policy Advisory Council Meeting: March 1, 2019
(2019-03-01) Minitex
Materials for the March 1, 2019 Minitex Policy Advisory Council (MPAC) quarterly meeting include the following: agenda, minutes, manager reports, member reports, and a set of presentation slides titled “A New Logo for Minitex,” by Zach Miller.
Minitex Policy Advisory Council Meeting: December 7, 2018
(2018-12-07) Minitex
Materials for the December 7, 2018 Minitex Policy Advisory Council (MPAC) quarterly meeting include the following: agenda, minutes, manager reports, and member reports, as well as three sets of slides from presentations titled “Finalists for New ELM Logo,” by Matt Lee; “Rights Statements Standardization Project,” by Molly Huber; and “The Digital Preservation Landscape,” by John Butler, Carol Kussmann, and Jon Nichols.
Minitex Policy Advisory Council Meeting: September 7, 2018
(2018-09-07) Minitex
Materials for the September 7, 2018 Minitex Policy Advisory Council (MPAC) quarterly meeting include the following: agenda, minutes, year-end manager reports, and member reports from the following: Central and Northern State Colleges, Greater MN Public Libraries, MnPALS, MN State Colleges, Private Colleges, State Government Libraries, State Library Services, State University Libraries, and the UMN System. In addition, there are two sets of slides from presentations titled “Minitex Director’s Report,” by Valerie Horton, and “AskMN: The Librarian Is In! 10 Years of Service,” by Carla Pfahl.
Data Repository for Effects of Density-Driven and Inertial Flow Interactions on Pore-Scale Mineral Dissolution
(2025-07-17) Lee, Woonghee; Cao, Hongfan; Kang, Peter; lee02042@umn.edu; Lee, Woonghee; University of Minnesota Kang Research Group
These directories are for running OpenFOAM simulations using the published open-source solver dissolGravityFoam. They contain the cases for halite and gypsum dissolution used in the manuscript titled "Effects of Density-Driven and Inertial Flow Interactions on Pore-Scale Mineral Dissolution." These materials enable full reproduction of the numerical simulation results. Model parameters, including velocity and gravity, can be modified within the folders.
Supporting Data for Enhancing Lettuce Yields using Quantum Dot Films
(2025-07-17) Loh, Kristine Q; Eylands, Nathan J; Ferry, Vivian E; Kortshagen, Uwe R; kortshagen@umn.edu; Kortshagen, Uwe R; Kortshagen Group
The spectral distribution and intensity of light are critical for crop growth. One strategy is to use spectral shifting filters to passively control both the intensity and the color of transmitted sun-light, and target critical spectral ranges for optimizing photosynthesis. Copper indium sulfide/zinc sulfide (CIS/ZnS) quantum dot films have been commercially developed as spectral shifting films for greenhouses. By downshifting blue light to green and red light through photo-luminescence (PL), these CIS/ZnS films increase the transmission of more useful photons for photosynthesis. Yet, a complete understanding of how film properties impact crop yield has yet to be established. In this work, we simulated CIS/ZnS quantum dot composites at various quantum dot concentrations to determine the influence of spectral shifting on lettuce yields. At the highest concentration of quantum dots, lettuce yields increased by up to 30% relative to plants grown under the standard solar spectrum. However, increasing the amount of PL that escaped the film either by increasing the outcoupling efficiency or the PL quantum yield did not further increase yields due to the transmission of more green light. Therefore, to maximize lettuce yields, CIS/ZnS films should strongly absorb blue light without increasing the transmission of green light, favoring high concentrations of quantum dots and lower outcoupling efficiencies.