Results 131 to 140 of about 1,822,542 (165)

Atom Probe Tomography for 3D Structural and Chemical Analysis of Individual Proteins.

Small, 2019
Determination of the 3D structure of proteins and other biomolecules is a major goal in structural biology, to provide insights to their biological function.
G. Sundell, M. Hulander, A. Pihl, M. Andersson   +3 more
semanticscholar   +1 more source

Digital Protocol for Chemical Analysis at Ultralow Concentrations by Surface-Enhanced Raman Scattering.

Analytical Chemistry, 2018
Single molecule surface-enhanced Raman spectroscopy (SM-SERS) has the potential to revolutionize quantitative analysis at ultralow concentrations (less than 1 nM).
C. D. D. de Albuquerque, R. G. Sobral-Filho, R. Poppi, A. Brolo   +3 more
semanticscholar   +1 more source

Fluorescent nanosensors for intracellular chemical analysis: decyl methacrylate liquid polymer matrix and ion-exchange-based potassium PEBBLE sensors with real-time application to viable rat C6 glioma cells.

Analytical Chemistry, 2001
Fluorescent spherical nanosensors, or PEBBLEs (probes encapsulated by biologically localized embedding), in the 500 nm-1 microm size range have been developed using decyl methacrylate as a matrix.
M. Brasuel, R. Kopelman, T. J. Miller, R. Tjalkens, M. Philbert   +4 more
semanticscholar   +1 more source

A quantitative quantum-chemical analysis tool for the distribution of mechanical force in molecules.

Journal of Chemical Physics, 2014
The promising field of mechanochemistry suffers from a general lack of understanding of the distribution and propagation of force in a stretched molecule, which limits its applicability up to the present day.
T. Stauch, A. Dreuw
semanticscholar   +1 more source

Characterization of Chromophoric Water-Soluble Organic Matter in Urban, Forest, and Marine Aerosols by HR-ToF-AMS Analysis and Excitation-Emission Matrix Spectroscopy.

Environmental Science and Technology, 2016
Chromophoric water-soluble organic matter in atmospheric aerosols potentially plays an important role in aqueous reactions and light absorption by organics.
Qingcai Chen, Y. Miyazaki, K. Kawamura, K. Matsumoto, S. Coburn, R. Volkamer, Yoko Iwamoto, Sara Kagami, Yange Deng, Shuhei Ogawa, Sathiyamurthi Ramasamy, Shungo Kato, A. Ida, Y. Kajii, M. Mochida   +14 more
semanticscholar   +1 more source

Using XPS to Investigate Fiber/Matrix Chemical Interactions in Carbon‐fiber‐reinforced Composites

, 1997
With the uses of composites expanding into areas from aerospace to recreation, different matrices are being investigated to tailor the composites to specific uses.
C. L. Weitzsacker, M. Xie, L. Drzal
semanticscholar   +1 more source

Influence of chemical treatment on tensile strength, water absorption, surface morphology, and thermal analysis of areca sheath fibers

, 2019
Proper surface modification is highly essential to improve compatibility of natural fibers with polymer matrix to develop eco-friendly materials. In the present work, an attempt has been made to study the effect of various chemical treatments such as ...
Subhakanta Nayak, J. Mohanty
semanticscholar   +1 more source

Chemically specific imaging and in‐situ chemical analysis of articular cartilage with stimulated Raman scattering

Journal of Biophotonics, 2013
Stimulated Raman scattering (SRS) has been applied to unstained samples of articular cartilage enabling the investigation of living cells within fresh tissue.
J. Mansfield, J. Moger, E. Green, C. Moger, C. P. Winlove   +4 more
semanticscholar   +1 more source

Mechanical, Chemical and Morphological Analysis of Crab shell/Sisal Natural Fiber Hybrid Composites

, 2019
Natural fiber-reinforced hybrid composites find wide applications in recent decades owing to its biodegradability, low density, and low-cost benefits. The work reported investigates, the effect of adding crab shell particles over sisal-reinforced epoxy ...
A. Soundhar, Jayakrishna Kandasamy
semanticscholar   +1 more source

NBO 7.0: New vistas in localized and delocalized chemical bonding theory

Journal of Computational Chemistry, 2019
We briefly outline some leading features of the newest version, NBO 7.0, of the natural bond orbital (NBO) wavefunction analysis program. Major extensions include: (1) a new NPEPA module implementing Karafiloglou's “polyelectron population analysis” in ...
E. Glendening, C. Landis, F. Weinhold
semanticscholar   +1 more source