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Qatar Exoplanet Survey : Qatar-3b, Qatar-4b, and Qatar-5b (2017)
Journal Article
Alsubai, K., Mislis, D., Tsvetanov, Z. I., Latham, D. W., Bieryla, A., Buchhave, L. A., …Ciceri, S. (2017). Qatar Exoplanet Survey : Qatar-3b, Qatar-4b, and Qatar-5b. Astronomical Journal, 153(4), Article 200. https://doi.org/10.3847/1538-3881/aa6340

We report the discovery of Qatar-3b, Qatar-4b, and Qatar-5b, three new transiting planets identified by the Qatar Exoplanet Survey. The three planets belong to the hot Jupiter family, with orbital periods of ${P}_{{\rm{Q}}3{\rm{b}}}$ = 2.50792 days,... Read More about Qatar Exoplanet Survey : Qatar-3b, Qatar-4b, and Qatar-5b.

The VLT-FLAMES Tarantula Survey: XXV. Surface nitrogen abundances of O-type giants and supergiants⋆⋆⋆ (2017)
Journal Article
Grin, N. J., Ramírez-Agudelo, O. H., de Koter, A., Sana, H., Puls, J., Brott, I., …Walborn, N. R. (2017). The VLT-FLAMES Tarantula Survey: XXV. Surface nitrogen abundances of O-type giants and supergiants⋆⋆⋆. Astronomy & Astrophysics, 600, Article A82. https://doi.org/10.1051/0004-6361/201629225

Context. Theoretically, rotation-induced chemical mixing in massive stars has far reaching evolutionary consequences, affecting the sequence of morphological phases, lifetimes, nucleosynthesis, and supernova characteristics. Aims. Using a sample o... Read More about The VLT-FLAMES Tarantula Survey: XXV. Surface nitrogen abundances of O-type giants and supergiants⋆⋆⋆.

Back-exchange of deuterium in neutron crystallography: characterization by IR spectroscopy (2017)
Journal Article
(2017). Back-exchange of deuterium in neutron crystallography: characterization by IR spectroscopy. Journal of Applied Crystallography, 660 -664. https://doi.org/10.1107/s1600576717003624

The application of IR spectroscopy to the characterization and quality control of samples used in neutron crystallography is described. While neutron crystallography is a growing field, the limited availability of neutron beamtime means that there ma... Read More about Back-exchange of deuterium in neutron crystallography: characterization by IR spectroscopy.

Synthesis of Ca(PF6)2, formed via nitrosonium oxidation of calcium (2017)
Journal Article
Keyzer, E., Matthews, P., Liu, Z., Bond, A., Grey, C., & Wright, D. (2017). Synthesis of Ca(PF6)2, formed via nitrosonium oxidation of calcium. Chemical Communications, 4573-4576. https://doi.org/10.1039/C7CC01938F

The development of rechargeable Ca-ion batteries as an alternative to Li systems has been limited by the availability of suitable electrolyte salts. We present the synthesis of complexes of Ca(PF6)2 (a key potential Ca battery electrolyte salt) via t... Read More about Synthesis of Ca(PF6)2, formed via nitrosonium oxidation of calcium.

Detection of the Atmosphere of the 1.6 M ? Exoplanet GJ 1132 b (2017)
Journal Article
Southworth, J., Mancini, L., Madhusudhan, N., Mollière, P., Ciceri, S., & Henning, T. (2017). Detection of the Atmosphere of the 1.6 M ? Exoplanet GJ 1132 b. Astronomical Journal, 153(4), Article 191. https://doi.org/10.3847/1538-3881/aa6477

Detecting the atmospheres of low-mass, low-temperature exoplanets is a high-priority goal on the path to ultimately detecting biosignatures in the atmospheres of habitable exoplanets. High-precision HST observations of several super-Earths with equil... Read More about Detection of the Atmosphere of the 1.6 M ? Exoplanet GJ 1132 b.

Natural polyprenylated benzophenone: keto-enol tautomerism from density functional calculations and the AIM theory (2017)
Journal Article
Lage, M. R., Morbec, J. M., Santos, M. H., Carneiro, J. W. D. M., & Costa, L. T. (2017). Natural polyprenylated benzophenone: keto-enol tautomerism from density functional calculations and the AIM theory. Journal of Molecular Modeling, https://doi.org/10.1007/s00894-017-3251-x

The quantum theory of atoms in molecules (QTAIM) and density functional theory (DFT) calculations were employed to investigate the structure and tautomeric equilibrium of epiclusianone, a polyisoprenylated benzophenone with interesting biological act... Read More about Natural polyprenylated benzophenone: keto-enol tautomerism from density functional calculations and the AIM theory.

Uncertainties in s-process nucleosynthesis in massive stars determined by Monte Carlo variations (2017)
Journal Article
Nishimura (西村信哉), N., Hirschi, R., Rauscher, T., Murphy, A., & Cescutti, G. (2017). Uncertainties in s-process nucleosynthesis in massive stars determined by Monte Carlo variations. Monthly Notices of the Royal Astronomical Society, 469(2), 1752 -1767. https://doi.org/10.1093/mnras/stx696

The s-process in massive stars produces the weak component of the s-process (nuclei up to A ~ 90), in amounts that match solar abundances. For heavier isotopes, such as barium, production through neutron capture is significantly enhanced in very meta... Read More about Uncertainties in s-process nucleosynthesis in massive stars determined by Monte Carlo variations.

Selective Toluene Disproportionation to Produce Para-Xylene over Modified ZSM-5 (2017)
Journal Article
Zholobenko, V. (2017). Selective Toluene Disproportionation to Produce Para-Xylene over Modified ZSM-5. Chemical Engineering Transactions, 57, https://doi.org/10.3303/CET1757152

Industrial demand for p-xylene has been increasing in recent years and the major production is by toluene disproportionation. This research studied the effect of crystal size and the modification by silica deposition on the surface of the zeolite. Sh... Read More about Selective Toluene Disproportionation to Produce Para-Xylene over Modified ZSM-5.

Transalkylation of Toluene with 1, 2, 4-Trimethylbenzene over (2017)
Journal Article
Almulla, F., Zholobenko, V., Waters, J. . P., & Garforth, A. (2017). Transalkylation of Toluene with 1, 2, 4-Trimethylbenzene over. Chemical Engineering Transactions, 57, https://doi.org/10.3303/CET1757158

The catalytic activity, selectivity to xylenes and time-on-stream stability were investigated in the transalkylation of toluene with 1, 2, 4-trimethylbenzene. The catalytic tests were carried out in a fixed bed reactor over zeolite Beta (Si/Al = 12.5... Read More about Transalkylation of Toluene with 1, 2, 4-Trimethylbenzene over.

Mechanical and electronic properties of SiC nanowires: An ab initio study (2017)
Journal Article
Oliveira, J., Morbec, J., & Miwa, R. (2017). Mechanical and electronic properties of SiC nanowires: An ab initio study. Journal of Applied Physics, 104302 - 104302. https://doi.org/10.1063/1.4977996

Using first-principles calculations, based on the density functional theory, we have investigated the mechanical and electronic properties of hydrogen-passivated 3C-, 2H-, 4H-, and 6H-SiC nanowires (NWs), analyzing the effects of the diameter on thes... Read More about Mechanical and electronic properties of SiC nanowires: An ab initio study.

Glycophenotype of breast and prostate cancer stem cells treated with thieno[2,3-b]pyridine anticancer compound. (2017)
Journal Article
Reynisson. (2017). Glycophenotype of breast and prostate cancer stem cells treated with thieno[2,3-b]pyridine anticancer compound. Drug Design, Development and Therapy, 759 - 769. https://doi.org/10.2147/DDDT.S121122

Tumor progression may be driven by a small subpopulation of cancer stem cells (CSCs characterized by CD44+/CD24- phenotype). We investigated the influence of a newly developed thienopyridine anticancer compound (3-amino-5-oxo-N-naphthyl-5,6,7, 8-tetr... Read More about Glycophenotype of breast and prostate cancer stem cells treated with thieno[2,3-b]pyridine anticancer compound..

Shining a light on transition metal chalcogenides for sustainable photovoltaics (2017)
Journal Article
Matthews, P., McNaughter, P., Lewis, D., & O'Brien, P. (2017). Shining a light on transition metal chalcogenides for sustainable photovoltaics. Chemical Science, 4177-4187. https://doi.org/10.1039/C7SC00642J

Transition metal chalcogenides are an important family of materials that have received significant interest in recent years as they have the potential for diverse applications ranging from use in electronics to industrial lubricants. One of their mos... Read More about Shining a light on transition metal chalcogenides for sustainable photovoltaics.

Copper Contamination of Self-Assembled Organic Monolayer Modified Silicon Surfaces Following a “Click” Reaction Characterized with LAPS and SPIM (2017)
Journal Article
Wu, F., Zhang, D., Wang, J., Watkinson, M., & Krause, S. (2017). Copper Contamination of Self-Assembled Organic Monolayer Modified Silicon Surfaces Following a “Click” Reaction Characterized with LAPS and SPIM. Langmuir, 33(13), 3170 - 3177. https://doi.org/10.1021/acs.langmuir.6b03831

A copper(I)-catalyzed azide alkyne cycloaddition (CuAAC) reaction combined with microcontact printing was used successfully to pattern alkyne-terminated self-assembled organic monolayer-modified silicon surfaces. Despite the absence of a copper peak... Read More about Copper Contamination of Self-Assembled Organic Monolayer Modified Silicon Surfaces Following a “Click” Reaction Characterized with LAPS and SPIM.

A Chemical Signature from Fast-rotating Low-metallicity Massive Stars: ROA 276 inωCentauri (2017)
Journal Article
Yong, D., Norris, J. E., Da Costa, G. S., Stanford, L. M., Karakas, A. I., Shingles, L. J., …Pignatari, M. (2017). A Chemical Signature from Fast-rotating Low-metallicity Massive Stars: ROA 276 inωCentauri. Astrophysical Journal, 837(2), 176. https://doi.org/10.3847/1538-4357/aa6250

We present a chemical abundance analysis of a metal-poor star, ROA 276, in the stellar system ω Centauri. We confirm that this star has an unusually high [Sr/Ba] abundance ratio. Additionally, ROA 276 exhibits remarkably high abundance ratios, [X/Fe]... Read More about A Chemical Signature from Fast-rotating Low-metallicity Massive Stars: ROA 276 inωCentauri.

Engineering p–n junctions and bandgap tuning of InSe nanolayers by controlled oxidation (2017)
Journal Article
Balakrishnan, N., Kudrynskyi, Z., Smith, E., Fay, M., Makarovsky, O., Kovalyuk, Z., …Patanè, A. (2017). Engineering p–n junctions and bandgap tuning of InSe nanolayers by controlled oxidation. 2D Materials, 025043 - 025043. https://doi.org/10.1088/2053-1583/aa61e0

Exploitation of two-dimensional (2D) van der Waals (vdW) crystals can be hindered by the deterioration of the crystal surface over time due to oxidation. On the other hand, the existence of a stable oxide at room temperature can offer prospects for s... Read More about Engineering p–n junctions and bandgap tuning of InSe nanolayers by controlled oxidation.

Strain Effects on the Oxidation of CO and HCOOH on Au–Pd Core–Shell Nanoparticles (2017)
Journal Article
(2017). Strain Effects on the Oxidation of CO and HCOOH on Au–Pd Core–Shell Nanoparticles. ACS catalysis, 1673 -1680. https://doi.org/10.1021/acscatal.6b03237

The mechanism of CO and HCOOH electrooxidation in an acidic solution on carbon-supported Au–Pd core–shell nanoparticles was investigated by differential electrochemical mass spectrometry and in situ Fourier transform infrared (FTIR) spectroscopy. Ana... Read More about Strain Effects on the Oxidation of CO and HCOOH on Au–Pd Core–Shell Nanoparticles.

Possible pair-instability supernovae at solar metallicity from magnetic stellar progenitors (2017)
Journal Article
Georgy, C., Meynet, G., Ekström, S., Wade, G. A., Petit, V., Keszthelyi, Z., & Hirschi, R. (2017). Possible pair-instability supernovae at solar metallicity from magnetic stellar progenitors. Astronomy & Astrophysics, 599, Article L5. https://doi.org/10.1051/0004-6361/201730401

Near-solar metallicity (and low-redshift) pair-instability supernova (PISN) candidates challenge stellar evolution models. Indeed, at such a metallicity, even an initially very massive star generally loses so much mass by stellar winds that it will a... Read More about Possible pair-instability supernovae at solar metallicity from magnetic stellar progenitors.

Continuous flow iodination using an automated computer-vision controlled liquid-liquid extraction system (2017)
Journal Article
O'Brien, M., Cooper, D., & Dolan, J. (2017). Continuous flow iodination using an automated computer-vision controlled liquid-liquid extraction system. Tetrahedron Letters, 829 - 834. https://doi.org/10.1016/j.tetlet.2017.01.029

Abstract A dynamic computer-vision control system incorporating open-source software technologies (Python, OpenCV) was used to automate a gravity based in-line liquid-liquid extraction during the iodination of enaminones in continuous flow. The syste... Read More about Continuous flow iodination using an automated computer-vision controlled liquid-liquid extraction system.