منابع مشابه
Single-crystalline molecular flasks: chemical transformation with bulky reagents in the pores of porous coordination networks.
Introduction In situ observation of solid-state reactions by X-rays provides direct information on reaction processes and final structures. Crystallographic analysis of reactions involving bulky reagents within crystals are also limited due to restricted diffusion in close-packed crystals and the often concurrent crystal degradation. Recently, we reported a robust coordination network complex p...
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Crystalline molecular machines represent an exciting new branch of crystal engineering and materials science with important implications to nanotechnology. Crystalline molecular machines are crystals built with molecules that are structurally programmed to respond collectively to mechanic, electric, magnetic, or photonic stimuli to fulfill specific functions. One of the main challenges in their...
متن کاملMolecular Sensing by Nanoporous Crystalline Polymers
Chemical sensors are generally based on the integration of suitable sensitive layers and transducing mechanisms. Although inorganic porous materials can be effective, there is significant interest in the use of polymeric materials because of their easy fabrication process, lower costs and mechanical flexibility. However, porous polymeric absorbents are generally amorphous and hence present poor...
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Electrophoretic studies on purified crystalline ribonuclease showed the absence of any impurities differing in mobility from the bulk of material. The isoelectric point of ribonuclease was found by electrophoresis to be at about pH 7.8. Ultracentrifuge studies indicated fair homogeneity of ribonuclease in solution. Only one moving component has been observed. The molecular weight of ribonucleas...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section A Foundations of Crystallography
سال: 2011
ISSN: 0108-7673
DOI: 10.1107/s0108767311099880