Chemical and Structural Stability of Zirconium-based Metal-Organic Frameworks with Large Three-Dimensional Pores by Linker Engineering Guest-Adaptable and Water-Stable Peptide-Based Porous Materials by Imidazolate Side Chain Control Side-chain control of porosity closure in single- and multiple-peptide-based porous materials by cooperative folding Incorporation of excluded volume correlations into Poisson-Boltzmann theory