منابع مشابه
A source for microhydrated biomolecules.
We describe the construction of an apparatus for the production of a molecular jet of microhydrated biomolecules. Our design uses a water reservoir producing water vapour, which then passes through a separate reservoir containing a vapour of a sublimated biomolecule. The mixture coexpands into a molecular beam apparatus through a conical nozzle. Mass spectra showing water-adenin and water-uraci...
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Microhydration of biomolecules is an important structural factor associated with their biological processes. However, there is no general way to elucidate stable hydrated structures even for simple amino acids because of the high complexity of chemical space increasing rapidly with the number of water molecules. Here, we propose a very efficient computational method to selectively sample the mo...
متن کاملVibrational spectroscopy of microhydrated conjugate base anions.
Conjugate-base anions are ubiquitous in aqueous solution. Understanding the hydration of these anions at the molecular level represents a long-standing goal in chemistry. A molecular-level perspective on ion hydration is also important for understanding the surface speciation and reactivity of aerosols, which are a central component of atmospheric and oceanic chemical cycles. In this Account, a...
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D the holiday season, transformations abound. At the end of the year, my family, friends, and colleagues parade in their ugly sweaters or their New Year’s Eve party-wear. I was thinking about how these adornments can influence our circle of interactions. As a tangible example, my colleague George Phillips attracted a crowd with his prize-winning sweater (Figure 1). Our first issue of 2012 also ...
متن کاملA New Topology for Z-Source Inverter Based on Switched-Inductor and Boost Z-Source Inverter
In this paper, a new topology for boost Z-source inverterbased on switched-inductor cell is proposed. The operating modes of the proposed inverter are analyzed and also a suitable control method to generate the trigger signals of the inverter is presented. Having a common earth between the input source and inverter and capability to generate a higher voltage gain by using lower amounts of the d...
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ژورنال
عنوان ژورنال: Review of Scientific Instruments
سال: 2015
ISSN: 0034-6748,1089-7623
DOI: 10.1063/1.4923247