Results 61 to 70 of about 129,793 (295)

Spatiotemporal Changes in Atomic and Molecular Architecture of Mineralized Bone under Pathogenic Conditions

Crystals, 2023
Mechanisms responsible for spatiotemporal changes in the atomic-molecular architecture of the human femur in intact and osteoarthritis-affected areas were studied using high-resolution X-ray diffraction and spectroscopic techniques.
Andrey A. Pavlychev, Xenia O. Brykalova, Alexander A. Cherny, Anatoliy V. Korneev, Nikolai N. Kornilov   +4 more
doaj   +1 more source

Optical properties of cosmic dust analogs: A review

, 2010
Nanometer- and micrometer-sized solid particles play an important role in the evolutionary cycle of stars and interstellar matter. The optical properties of cosmic grains determine the interaction of the radiation field with the solids, thereby ...
Henning, Thomas, Mutschke, Harald
core   +1 more source

Search for Possible Variation of the Fine Structure Constant [PDF]

, 2003
Determination of the fine structure constant alpha and search for its possible variation are considered. We focus on a role of the fine structure constant in modern physics and discuss precision tests of quantum electrodynamics.
B.N. Taylor, B.N. Taylor, Chr. Tamm, D.J. Berkland, D.J. Fixsen, E. Peik, G. Wilpers, G.W.F. Drake, H. Marion, H. Schnatz, H.S. Margolis, J. Stenger, J. von Zanthier, J.-P. Uzan, J.D. Prestage, J.J. Bollinger, J.K. Webb, K. Hagiwara, M.C. George, M.P. Savedoff, N.E. Rothery, P. Langacker, P.J. Mohr, R.I. Thompson, S. Bize, S.G. Karshenboim, S.G. Karshenboim, Savely G. Karshenboim, T. Beier, T. Kinoshita, T. Udem, Th. Udem, W.J. Marciano   +32 more
core   +1 more source

Molecular characterization of covRS mutations in M1UK Streptococcus pyogenes

FEBS Open Bio, EarlyView.
Group A Streptococcus (GAS) acquires covRS mutations driving a hypervirulent bacterial state, frequently associated with invasive disease‐like necrotizing fasciitis. We demonstrate that the newly emerged M1UK GAS lineage can also acquire these mutations.
Jarrad Pritchard, Emma‐Jayne Proctor, Jiawa Wang, Nikolas P. Johnston, Andrew Hayes, Georgia McCorkell, Haibo Yu, Jai Tree, Mark R. Davies, Mark J. Walker, Ronald Sluyter, Stephan Brouwer, Martina L. Sanderson‐Smith   +12 more
wiley   +1 more source

The A2Π–X2Σ+ Band System of YO

The Astrophysical Journal
YO bands are conspicuous in the spectra of S stars. The laboratory spectrum of the A ^2 Π–X ^2 Σ ^+ electronic transition has been recorded with a Fourier transform spectrometer using a composite-wall hollow cathode lamp source.
Peter F Bernath, Manish Bhusal, Adam Pastorek   +2 more
doaj   +1 more source

HSCO$^+$ and DSCO$^+$: a multi-technique approach in the laboratory for the spectroscopy of interstellar ions

, 2018
Protonated molecular species have been proven to be abundant in the interstellar gas. This class of molecules is also pivotal for the determination of important physical parameters for the ISM evolution (e.g. gas ionisation fraction) or as tracers of non-
Bizzocchi, Luca, Caselli, Paola, Chantzos, Johanna, Laas, Jacob C., Lattanzi, Valerio, Lee, Kin Long Kelvin, McCarthy, Michael C., Spezzano, Silvia   +7 more
core   +1 more source

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

Advanced Engineering Materials, EarlyView.
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera, Philippe Marrec, A. Jorge Parola, Madalena Dionísio, Hugo Águas, Andreia F. M. Santos, Hamed Pourkheirollah, Donald Lupo, César A. T. Laia   +8 more
wiley   +1 more source

A simple model for high rotational excitations of molecules in a superfluid

New Journal of Physics, 2022
Recently it became possible to study highly excited rotational states of molecules in superfluid helium through nonadiabatic alignment experiments (Cherepanov et al 2021 Phys. Rev. A 104 L061303).
Igor N Cherepanov, Giacomo Bighin, Constant A Schouder, Adam S Chatterley, Henrik Stapelfeldt, Mikhail Lemeshko   +5 more
doaj   +1 more source

A Spectroscopic Survey of Electronic Transitions of C$_6$H, $^{13}$C$_6$H, and C$_6$D [PDF]

, 2016
Electronic spectra of C$_6$H are measured in the $18\,950-21\,100$ cm$^{-1}$ domain using cavity ring-down spectroscopy of a supersonically expanding hydrocarbon plasma.
Cernicharo J., Dongfeng Zhao, Edcel J. Salumbides, Guélin M., Harold Linnartz, Herzberg G., Kawaguchi K., Pauzat F., Pearson J. C., Suzuki H., Wim Ubachs, Xavier Bacalla   +11 more
core   +3 more sources

Zein‐Based Adhesives: Sustainable Extraction and Application in Bioadhesive Technologies

Advanced Engineering Materials, EarlyView.
Zein is extracted from corn gluten meal using a simple and scalable process with high yield (~90%). The resulting protein is applied in bioadhesives modified with Ca2+ and Fe3+ ions, exhibiting substrate‐dependent adhesion. The findings demonstrate competitive bonding performance and highlight the role of ionic interactions in tuning adhesion ...
Paula Bertolino Sanvezzo, Daniela Winsley Valereto Friozi, Vinícius de Oliveira, Marcia Cristina Branciforti   +3 more
wiley   +1 more source