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Lowest Price Guarantee Policies on Travel Websites: A Comprehensive Study on Policy Variety, Policy Costs, and Customer Perceived Value of Key Policy Features
According to eMarketer (2015), approximately 60% of travel product purchases are made online, a figure that will continue to increase due to the widespread use of smartphones and the booming of mobile device booking. To ...
How an Arginine Switch Promotes the Self-preservation of an Hydrogen Peroxide-degrading Enzyme KatG: the Strategic Use of an Active-Site Tryptophan
Catalase-peroxidase (KatG) is a heme-dependent enzyme and an effective H2O2 disposal catalyst, sustaining life for many archaea, bacteria, and lower eukaryotes. Many pathogens employ KatG catalase activity (2 H2O2 -> 2 H2O ...