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Vibrational Dynamics of Carbon Monoxide at the Active Sites of Mutant Heme Proteins
Vibrational Dynamics Carbon Monoxide Active Sites Mutant Heme Proteins
2016/5/23
Picosecond mid-IR pump−probe measurements of vibrational relaxation (VR) of CO bound to the active sites of wild-type and mutant myoglobins (Mb) reveal that an approximately linear relationship ...
Quantum mechanical calculations reveal the hidden states of enzyme active sites（图）
enzyme active sites Quantum mechanical
2014/12/1
Enzymes carry out fundamental biological processes such as photosynthesis, nitrogen fixation and respiration, with the help of clusters of metal atoms as “active” sites. But scientists lack basic info...
Deactivation Modes of Solid Catalysts with Different Active Sites（图）
solid catalyst deactivation mode bifunctional catalyst active site
2013/10/15
An approach is suggested to distinguish different types of active sites responsible for different reactions on bifunctional catalysts. The model assumes a non-uniform vulnerability of active sites tha...
Irreversible loss of ice nucleation active sites in mineral dust particles caused by sulphuric acid condensation
ice nucleation active sites mineral dust particles sulphuric acid condensation
2010/12/20
During the FROST-2 (FReezing Of duST) measurement campaign conducted at the Leipzig Aerosol Cloud Interaction Simulator (LACIS), we investigated changes in the ice nucleation properties of 300 nm Ariz...
Ice nucleation properties of mineral dust particles: determination of onset RHi, IN active fraction, nucleation time-lag, and the effect of active sites on contact angles
mineral dust particles onset RHi IN active fraction nucleation time-lag
2010/1/18
A newly developed ice nucleation experimental set up was used to investigate the heterogeneous ice nucleation properties of three Saharan and one Spanish dust particle samples. It was observed that th...
Identification of Active Sites and Influence of Real Structure of Gold Catalysts in the Selective Hydrogenation of Acrolein to Allyl Alcohol
Gold Catalysts Selective Hydrogenation
2009/7/29
We have successfully employed oxide supported gold
catalysts in the gas-phase hydrogenation of acrolein, the
,-unsaturated aldehyde being most difficult to
hydrogenate at the carbonyl group. The ...
Development of Highly Active Co-Mo Catalysts with Phosphorus and Citric Acid for Ultra-deep Desulfurization of Diesel Fractions (Part 2) Characterization of Active Sites
Hydrodesulfurization Citric acid addition Phosphorus addition Co-Mo-S phase
2009/7/27
Mo K-edge EXAFS, TEM and FT-IR of adsorbed NO were performed to further investigate the nature of the active sites on the CoMo/HY-Al2O3 catalyst containing citric acid and phosphorus, which had signi...
In this work we studied the effects of non active sites on the substrate of a growing surface. In our model a particle only sticks at the surface if the site where it falls is an active site. However,...