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182 Newest Publications about the topic solution

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Reply to Proenca et al.: Sown biodiverse pastures are not a universal solution to invasion risk [Biological Sciences]

07-Apr-2015 | Don A. Driscoll; Jane A. Catford; Jacob N. Barney; Philip E. Hulme; Inderjit; Tara G. Martin; Aníbal Pauchard; Petr ..., Proceedings of the National Academy of Sciences current issue, 2015

Proença et al. (1) highlight that sown biodiverse pastures (SBP) can provide local solutions that increase production while limiting the risk of new pasture taxa invading natural areas. We agree that in Portugal SBP is an innovative approach for reducing the weed risk. However, SBP does not offer ...

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Dysfunctional conformational dynamics of protein kinase A induced by a lethal mutant of phospholamban hinder phosphorylation [Biophysics and Computational Biology]

24-Mar-2015 | Jonggul Kim; Larry R. Masterson; Alessandro Cembran; Raffaello Verardi; Lei Shi; Jiali Gao; Susan S. Taylor; Gianlui ..., Proceedings of the National Academy of Sciences current issue, 2015

The dynamic interplay between kinases and substrates is crucial for the formation of catalytically committed complexes that enable phosphoryl transfer. However, a clear understanding on how substrates modulate kinase structural dynamics to control catalytic efficiency is still missing. Here, we ...

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Comprehensive analysis of heterotrimeric G-protein complex diversity and their interactions with GPCRs in solution [Biochemistry]

17-Mar-2015 | Matthias Hillenbrand; Christian Schori; Jendrik Schöppe; Andreas Plückthun, Proceedings of the National Academy of Sciences current issue, 2015

Agonist binding to G-protein–coupled receptors (GPCRs) triggers signal transduction cascades involving heterotrimeric G proteins as key players. A major obstacle for drug design is the limited knowledge of conformational changes upon agonist binding, the details of interaction with the different ...

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Nucleation of metastable aragonite CaCO3 in seawater [Applied Physical Sciences]

17-Mar-2015 | Wenhao Sun; Saivenkataraman Jayaraman; Wei Chen; Kristin A. Persson; Gerbrand Ceder, Proceedings of the National Academy of Sciences current issue, 2015

Predicting the conditions in which a compound adopts a metastable structure when it crystallizes out of solution is an unsolved and fundamental problem in materials synthesis, and one which, if understood and harnessed, could enable the rational design of synthesis pathways toward or away from ...

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Spray-combustion synthesis: Efficient solution route to high-performance oxide transistors [Chemistry]

17-Mar-2015 | Xinge Yu; Jeremy Smith; Nanjia Zhou; Li Zeng; Peijun Guo; Yu Xia; Ana Alvarez; Stefano Aghion; Hui Lin; Junsheng Yu; ..., Proceedings of the National Academy of Sciences current issue, 2015

Metal-oxide (MO) semiconductors have emerged as enabling materials for next generation thin-film electronics owing to their high carrier mobilities, even in the amorphous state, large-area uniformity, low cost, and optical transparency, which are applicable to flat-panel displays, flexible ...

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Probabilistic evaluation of integrating resource recovery into wastewater treatment to improve environmental sustainability [Sustainability Science]

03-Feb-2015 | Xu Wang; Perry L. McCarty; Junxin Liu; Nan-Qi Ren; Duu-Jong Lee; Han-Qing Yu; Yi Qian; Jiuhui Qu, Proceedings of the National Academy of Sciences current issue, 2015

Global expectations for wastewater service infrastructure have evolved over time, and the standard treatment methods used by wastewater treatment plants (WWTPs) are facing issues related to problem shifting due to the current emphasis on sustainability. A transition in WWTPs toward reuse of ...

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Molecular-dynamics simulations of urea nucleation from aqueous solution [Chemistry]

06-Jan-2015 | Matteo Salvalaglio; Claudio Perego; Federico Giberti; Marco Mazzotti; Michele Parrinello, Proceedings of the National Academy of Sciences current issue, 2015

Despite its ubiquitous character and relevance in many branches of science and engineering, nucleation from solution remains elusive. In this framework, molecular simulations represent a powerful tool to provide insight into nucleation at the molecular scale. In this work, we combine theory and ...

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Flagellated bacterial motility in polymer solutions [Physics]

16-Dec-2014 | Vincent A. Martinez; Jana Schwarz-Linek; Mathias Reufer; Laurence G. Wilson; Alexander N. Morozov; Wilson C. K. Poon, Proceedings of the National Academy of Sciences current issue, 2014

It is widely believed that the swimming speed, v, of many flagellated bacteria is a nonmonotonic function of the concentration, c, of high-molecular-weight linear polymers in aqueous solution, showing peaked v(c) curves. Pores in the polymer solution were suggested as the explanation. Quantifying ...

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Observation of ice-like water layers at an aqueous protein surface [Biophysics and Computational Biology]

16-Dec-2014 | Konrad Meister; Simona Strazdaite; Arthur L. DeVries; Stephan Lotze; Luuk L. C. Olijve; Ilja K. Voets; Huib J. Bakker, Proceedings of the National Academy of Sciences current issue, 2014

We study the properties of water at the surface of an antifreeze protein with femtosecond surface sum frequency generation spectroscopy. We find clear evidence for the presence of ice-like water layers at the ice-binding site of the protein in aqueous solution at temperatures above the freezing ...

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Microtubule nucleation remote from centrosomes may explain how asters span large cells [Applied Physical Sciences]

16-Dec-2014 | Keisuke Ishihara; Phuong A. Nguyen; Aaron C. Groen; Christine M. Field; Timothy J. Mitchison, Proceedings of the National Academy of Sciences current issue, 2014

A major challenge in cell biology is to understand how nanometer-sized molecules can organize micrometer-sized cells in space and time. One solution in many animal cells is a radial array of microtubules called an aster, which is nucleated by a central organizing center and spans the entire ...

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