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Comparing to conventional bright-field microscopy, and Raman imaging of the biomolecules themselves, the authors show that the integrated intensity can be used to image different cellular structures.
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Carlos R. Baiz, Bartosz Błasiak, Jens Bredenbeck, Minhaeng Cho et autres
The authors make the following additions and corrections to the paper, C. Baiz et al., Vibrational Spectroscopic Map, Vibrational Spectroscopy, and Intermolecular Interaction. Chem. Rev. 2020, 120, 7152?7218. 1. The below funding sources should be added to the Acknowledgments section on pages …
Eli Hoenig, Steven E. Strong, Mingzhan Wang, Julia M. Radhakrishnan et autres
Restacked two-dimensional (2D) materials represent a new class of membranes for water–ion separations. Understanding the interplay between the 2D membrane’s structure and the constituent material’s surface chemistry to its ion sieving properties is crucial for further membrane development. Here, we reveal, and …
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Carlos R. Baiz, Bartosz Błasiak, Jens Bredenbeck, Minhaeng Cho et autres
Vibrational spectroscopy is an essential tool in chemical analyses, biological assays, and studies of functional materials. Over the past decade, various coherent nonlinear vibrational spectroscopic techniques have been developed and enabled researchers to study time-correlations of the fluctuating frequencies that are directly …
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Alexei A. Kananenka, Steven E. Strong, James L. Skinner
Absorption and emission line shapes of vibrational and electronic transitions in liquids are broadened by interactions with the “bath” (in this case, the rotational and translational degrees of freedom of all the molecules in the liquid). If these degrees of freedom are …
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Alexei A. Kananenka, James L. Skinner
Drawing upon an intuitive charge-transfer-based picture of hydrogen bonding, we demonstrate that cooperativity effects acting in concert can lead to unusually strong hydrogen bonds in neutral water clusters. The structure, vibrational, and NMR properties of a (H2O)20 pentagonal dodecahedron cluster containing such …
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Steven E. Strong, Nicholas J. Hestand, Alexei A. Kananenka, Martin T. Zanni et autres
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Alexei A. Kananenka, Kun Yao, Steven A. Corcelli, James L. Skinner
Maps that relate spectroscopic properties of a vibrational mode and collective solvent coordinates have proven useful in theoretical vibrational spectroscopy of condensed-phase systems. It has been realized that the predictive power of such an approach is limited and there is no clear …
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Alexei A. Kananenka, Nicholas J. Hestand, James L. Skinner
Recently, in an attempt to quantify the role of intermolecular OH stretching vibrational couplings in liquid water, experimental Raman spectra of HOD/H 2 O mixtures were analyzed using the multivariate curve resolution (Raman-MCR) algorithm. This algorithm allowed for the separation of the …
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Nicholas J. Hestand, Steven E. Strong, Liang Shi, James L. Skinner
Mixed quantum-classical methods are commonly used to calculate infrared spectra for condensed-phase systems. These methods have been applied to study water in a range of conditions from liquid to solid to supercooled. Here, we show that these methods also predict infrared line …
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Nicholas J. Hestand, James L. Skinner
The origin of liquid water's anomalous behavior continues to be a subject of interest and debate. One possible explanation is the liquid-liquid critical point hypothesis, which proposes that supercooled water separates into two distinct liquids at low temperatures and high pressures. According …
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Steven E. Strong, Liang Shi, James L. Skinner
Hydrogen bonding distinguishes water from simpler fluids. Here, we use classical molecular dynamics to study the percolation transition in the hydrogen bond network of supercritical water. We find that, contrary to some previous work, the percolation line in both the pressure-temperature and …
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