Article
Biochemistry & Molecular Biology
Paul A. Brown, Jakub Kolacz, Sean A. Fischer, Christopher M. Spillmann, Daniel Gunlycke
Summary: The interfacial interactions between liquid crystals and two-dimensional materials provide a platform for novel optical and electronic material properties. This study focuses on the effects of defects on the binding and behavior of liquid crystal molecules on graphene. The presence of a monovacancy in graphene enhances the binding of liquid crystals and can lead to a chemical reaction, releasing a significant amount of energy.
Article
Chemistry, Physical
Y. Lu, B. P. Bloom, S. Qian, D. H. Waldeck
Summary: This research demonstrates the enantiospecific interaction between a magnetized surface and a chiral amino acid using electrochemical methods, attributing the enantiospecific adsorption of chiral molecules on a ferromagnetic surface to adsorption kinetics rather than thermodynamic stabilization. While measurements show no significant differences in the Gibbs free energy of adsorption for different chiral forms of cysteine and electrode magnetization states, the adsorption and desorption kinetics are strongly dependent on the magnetization state of the electrode surface. Enantioselectivity is also shown to be sensitive to solution pH and the charge state of the chiral adsorbate.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2021)
Review
Multidisciplinary Sciences
Zhongwu Ren, Nannan Zhang, Yuanyuan Wu, Xue Ding, Xiaoxin Yang, Yuhan Kong, Hang Xing
Summary: This article introduces the assembly methods of metal-organic frameworks (MOFs) and their impact on material properties, including the study of building blocks, surface interactions, and Gibbs free energy. The macroscopic structures formed by facet-controlled assembly of individual particles have improved overall properties while maintaining individual particle characteristics.
Article
Chemistry, Inorganic & Nuclear
Maria Stuckart, Natalya Izarova, Maria Gloss, Jennifer Klose, Carolin Schmitz-Antoniak, Paul Koegerler, Berthold Kersting, Kirill Yu Monakhov
Summary: A new polyoxometalate compound with V-IV ions and 39-tungsto-4-arsenate(III) units was synthesized and fully characterized. It showed interesting magnetic properties with both antiferromagnetic exchange interactions and Curie paramagnetism. The compound was successfully deposited on gold surfaces after preparation of its trihexyltetradecylphosphonium salt.
INORGANIC CHEMISTRY
(2021)
Article
Astronomy & Astrophysics
Joshua T. Carder, Wyatt Ochs, Eric Herbst
Summary: The study explores the formation of complex organic molecules in interstellar space, focusing on reactions involving metastable oxygen atoms in the O(D-1) state. Specifically, the reactions of metastable oxygen atoms and methane in ices to form formaldehyde and methanol are examined, incorporating diffusive and non-diffusive chemistry processes. The contributions of O(D-1) at different temperatures are compared with traditional formation routes of methanol and formaldehyde.
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
(2021)
Article
Multidisciplinary Sciences
Hairong Lyu, Ilia Kevlishvili, Xuan Yu, Peng Liu, Guangbin Dong
Summary: Mild methods for cleaving the C-O bond in alkyl ethers using dibromoboranes in the presence of a nickel catalyst and zinc reductant have been shown to simplify chemical syntheses and facilitate oxygen-to-nitrogen substitution or one-carbon homologation. Mechanistic studies have revealed a cleavage-then-rebound pathway via zinc/nickel tandem catalysis.
Article
Chemistry, Multidisciplinary
Lukas Hormann, Andreas Jeindl, Oliver T. Hofmann
Summary: Virtually all organic (opto)electronic devices rely on organic/inorganic interfaces with specific properties. A study found that a change in interface structure can introduce a shift in function. Researchers achieved this by using tetrachloropyrazine on Pt(111), which created switchable interface structures with significantly different adsorption geometries. These structures facilitated different work function changes and coherent fractions, making them ideal for reading out the interface state. The possibility of reversible switching between different classes of structures was demonstrated, creating a dynamic interface for potential applications in organic electronics.
Article
Multidisciplinary Sciences
Shuyan Dai, Lingzhi Qu, Jun Li, Ye Zhang, Longying Jiang, Hudie Wei, Ming Guo, Xiaojuan Chen, Yongheng Chen
Summary: The aryl hydrocarbon receptor (AHR), an important transcription factor, plays significant roles in regulating xenobiotic metabolism, cellular differentiation, and immunity. This study provides multiple crystal structures of the Drosophila AHR PAS-B domain, which sheds light on the mechanism of AHR ligand binding. These findings have implications for the development of AHR-targeted therapeutics.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Inorganic & Nuclear
Jonas Bresien, Axel Schulz, Lilian Sophie Szych, Alexander Villinger, Ronald Wustrack
Summary: The synthesis and reactivity of sterically demanding phosphaarsanes were described in this study, with a new structural motif phosphane arsanyldithiocarboxylate being discovered. An alternative synthetic route was reported to enable access to a wider range of phosphane arsanyldithiocarboxylates. The interpnictogen dithiocarboxylates showed an interesting bonding situation with significantly elongated As-S bond due to negative hyperconjugation within the molecule.
INORGANIC CHEMISTRY
(2021)
Article
Chemistry, Inorganic & Nuclear
Jonathan Bould, Michael G. S. Londesborough, Miroslava Litecka, Ramon Macias, Suzanne L. Shea, Thomas D. McGrath, William Clegg, John D. Kennedy
Summary: High yields of novel macropolyhedral selenaboranes have been synthesized and characterized. These selenaboranes exhibit unique structural features, including different numbers of vertices, connectivity between subclusters, and the presence of special structural motifs within the subclusters.
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Liang-Liang Yang, Jing Ouyang, Hui-Na Zou, Shou-Fei Zhu, Qi-Lin Zhou
Summary: This study presents a highly enantioselective method for synthesizing chiral propargylsilanes and chiral Allenylsilanes from readily available alkynyl sulfonylhydrazones. The method involves the use of chiral spiro phosphate dirhodium complexes to catalyze asymmetric insertion of alkynyl carbenes into the Si-H bonds of silanes, followed by stereospecific isomerization using a platinum catalyst.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Chemistry, Analytical
Tsung Yang Ho, Chia-Wei Hsu, Chih-Hsin Chen
Summary: Conventional LC-based sensors for detecting metal ions require additional premixing procedures and are not suitable for in-situ monitoring. In this work, an amphiphilic molecule, NN12C, was used as a molecular probe in LC-based sensors for detecting Al3+. The binding of Al3+ and NN12C disrupted the LC orientation and resulted in a dark-to-bright transition of LC images. The lowest detectable concentration of Al3+ was 8 mu M, and the sensor was successfully applied to detect aluminum ions in drinking water.
MICROCHEMICAL JOURNAL
(2023)
Article
Engineering, Environmental
Ishaka Muhammad, George Manos
Summary: Pre-degradation treatment improved the performance of catalytic pyrolysis by lowering degradation temperature, increasing liquid yield, and reducing coke yield. The effects of pre-degradation treatment varied depending on the catalyst structure and acidity. ZSM-5 catalyst showed different hydrocarbon yields with high and low Si/Al ratio.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2021)
Article
Materials Science, Multidisciplinary
Kamila Lupinska, Martyna Durko-Maciag, Chantal Andraud, Yann Bretonniere, Piotr Hanczyc, Piotr Fita, Piotr Szulim, Jaroslaw Mysliwiec, Lech Sznitko
Summary: The 2,4,6-OMe-TCF dye with aggregation-induced emission (AIE) phenomenon is studied for laser light generation. Strong light amplification is possible only for concentrated solutions near saturation level, indicating the essential role of aggregation in enhancing light emission. Additionally, powdered form of the dye also exhibits lasing, but with a red-shifted gain profile. The dye can be used both in liquid solution and as dopant for polymeric matrices, making it suitable for soft and elastic materials in printed optoelectronics.
JOURNAL OF MATERIALS CHEMISTRY C
(2023)
Review
Chemistry, Physical
F. N. Jumaah, N. N. Mobarak, N. H. Hassan, S. A. M. Noor, S. N. S. Nasir, N. A. Ludin, K. H. Badri, A. Ahmad, Elisabeth R. D. Ito, M. Yoshizawa-Fujita, M. S. Su'ait
Summary: In this review, a brief discussion on non-crystalline and crystalline quaternary ammonium substances, such as ionic liquids (ILs), ionic liquid crystals (ILCs), and ionic plastic crystals (IPCs), was carried out based on their analog structures and thermal properties. The classification of organic salts was proposed based on their chemical properties and physical properties, and the general information of ILs, ILCs, and IPCs was summarized. The paper provides comprehensive classification information about these ions.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Physics, Fluids & Plasmas
Piotr Popov, Leo Steinkerchner, Elizabeth K. Mann
Meeting Abstract
Biophysics
Mona Sadat Mirheydari, Edgar E. Kooijman, Elizabeth K. Mann
BIOPHYSICAL JOURNAL
(2016)
Article
Biochemistry & Molecular Biology
Mona Mirheydari, Sewwandi S. Rathnayake, Hannah Frederick, Taylor Arhar, Elizabeth K. Mann, Simon Cocklin, Edgar E. Kooijman
JOURNAL OF LIPID RESEARCH
(2016)
Article
Multidisciplinary Sciences
Piotr Popov, Lawrence W. Honaker, Mona Mirheydari, Elizabeth K. Mann, Antal Jakli
SCIENTIFIC REPORTS
(2017)
Review
Materials Science, Biomaterials
Piotr Popov, Elizabeth K. Mann, Antal Jakli
JOURNAL OF MATERIALS CHEMISTRY B
(2017)
Article
Chemistry, Physical
Jenieve Cumberland, Tetiana Lopatkina, Matthew Murachver, Piotr Popov, Viktor Kenderesi, Agnes Buka, Elizabeth K. Mann, Antal Jakli
Article
Biochemistry & Molecular Biology
Amber R. Titus, Pedro P. Madeira, Luisa A. Ferreira, Alexander Belgovskiy, Elizabeth K. Mann, Jay Adin Mann, William Meyer, Anthony E. Smart, Vladimir N. Uversky, Boris Y. Zaslavsky
Summary: This study provides the first evidence that dissolved globular proteins can alter the arrangement of hydrogen bonds in water, with different proteins having quantitatively different effects. Through spectroscopic analysis and nuclear magnetic resonance techniques, the researchers found strong correlations between solvent acidity and hydrogen bond arrangement in aqueous solutions.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Materials Science, Multidisciplinary
Kelum Perera, Nilanthi Haputhantrige, Md Sakhawat Hossain Himel, Md Mostafa, Alex Adaka, Elizabeth K. Mann, Oleg D. Lavrentovich, Antal Jakli
Summary: This work presents electrically tunable microlenses based on a polymer-stabilized chiral ferroelectric nematic liquid crystal, which exhibit unique properties and lens deformation performance different from traditional liquid crystal lenses. The technology is of great significance in various application fields.
ADVANCED OPTICAL MATERIALS
(2023)
Article
Crystallography
N. Popov, A. Smirnova, N. Usol'tseva, P. Popov
LIQUID CRYSTALS AND THEIR APPLICATION
(2017)
Article
Chemistry, Physical
Amber R. Titus, Luisa A. Ferreira, Alexander Belgovskiy, Edgar E. Kooijman, Elizabeth K. Mann, J. Adin Mann, William Meyer, Anthony E. Smart, Vladimir N. Uversky, Boris Y. Zaslavsky
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2020)
Review
Chemistry, Physical
Nicolai Popov, Lawrence W. Honaker, Maia Popova, Nadezhda Usol'tseva, Elizabeth K. Mann, Antal Jakli, Piotr Popov