Showing papers in "Bulletin of the Chemical Society of Japan in 2020"
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TL;DR: In this paper, a wide range of applications such as catalysis, photocatalysis, CO2 capture, and environmental remediation are discussed. But the authors focus on the use of silica materials for catalysis.
Abstract: Silica materials are used in a wide range of applications such as catalysis, photocatalysis, CO2 capture, and environmental remediation. These nanomaterials (NMs) have been extensively investigated...
94 citations
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TL;DR: In this paper, microsupercapacitors are used in microelectro mechanical systems (MEMS) and micro portable microdevices due to their superior cyclability, high pow...
Abstract: Miniaturized power supplies, such as microsupercapacitors, are highly demanded in micro-electro mechanical systems (MEMS) and micro portable microdevices due to their superior cyclability, high pow...
93 citations
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TL;DR: In order to fabricate highly sophisticated nanostructures, various research fields must be fused into one unified concept, and in recently emerging nanoarchitectonics, nanotechnology is combined with m...
Abstract: In order to fabricate highly sophisticated nanostructures, various research fields must be fused into one unified concept. In recently emerging nanoarchitectonics, nanotechnology is combined with m...
71 citations
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TL;DR: In contrast to zero-bandgap graphene, nanostructures of graphene, such as graphene quantum dots (GQDs) and graphene nanoribbons (GNRs) have open bandgaps due to the quantum confinement effect.
Abstract: In contrast to zero-bandgap graphene, nanostructures of graphene, such as graphene quantum dots (GQDs) and graphene nanoribbons (GNRs) have open bandgaps due to the quantum confinement effect, and ...
51 citations
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TL;DR: In this article, a new dimension of chemistry, studied usually as an average over numerous molecules or for a single molecule bound on a robust substrate, has been introduced, which is called micro-minimization of chemistry.
Abstract: Miniaturized machines have open up a new dimension of chemistry, studied usually as an average over numerous molecules or for a single molecule bound on a robust substrate. Mechanical motions at a ...
49 citations
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TL;DR: In the last several decades, 2-dimensional (2D) nanomaterials have been studied in various bio-fields such as drug delivery systems, diagnostic and imaging materials, etc as mentioned in this paper.
Abstract: In the last several decades, 2-dimensional (2D) nanomaterials have been studied in various bio-fields such as drug delivery systems, diagnostic and imaging materials, etc. In particular, many inves...
38 citations
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TL;DR: An account of the development of Lewis-acid-catalyzed methods for racemization-free peptide synthesis is presented and these methods are based on the substrate control concept that has been exploited in this work.
Abstract: An account of the development of Lewis-acid-catalyzed methods for racemization-free peptide synthesis is presented. These methods are based on the substrate control concept that has been exploited ...
35 citations
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TL;DR: The advancements in the field of imaging and diagnostics have been benefitted by the concurrent expansion of molecular probes space to monitor the diverse biological targets and events.
Abstract: The advancements in the field of imaging and diagnostics have been benefitted by the concurrent expansion of molecular probes space to monitor the diverse biological targets and events. The misfold...
34 citations
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TL;DR: This research presents a novel approach called “smart amplifier” that automates the very labor-intensive and therefore time-heavy and expensive process of implanting nanoporous nanomaterials into the response of the immune system.
Abstract: Ultrasound has attracted much attention in recent years as an external stimulus capable of activating different types of nanomaterials for therapeutic application. One of the characteristics that m...
32 citations
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TL;DR: Microcystins are a class of toxins that are mainly produced by cyanobacteria and among them, microcystin-leucine arginine (microcyStin-LR) is one of the most toxic and harmful of the fresh water to bacteria.
Abstract: Microcystins are a class of toxins that are mainly produced by cyanobacteria and among them, microcystin-leucine arginine (microcystin-LR) is one of the most toxic and harmful of the fresh water to...
29 citations
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TL;DR: Carboxamides including lactams are readily available and bench-stable chemical feedstock, and thus their use in chemical synthesis for production of valuable compounds would be an attractive choice as mentioned in this paper.
Abstract: Carboxamides including lactams are readily available and bench-stable chemical feedstock, and thus their use in chemical synthesis for production of valuable compounds would be an attractive choice
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TL;DR: Light-induced difference Fourier-transform infrared (FTIR) spectroscopy is a powerful, sensitive and informative method for studying protein structural changes in photoreceptive proteins.
Abstract: Light-induced difference Fourier-transform infrared (FTIR) spectroscopy is a powerful, sensitive and informative method for studying protein structural changes in photoreceptive proteins. Strong ab...
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TL;DR: The basic formula of Li-ion battery electrolytes (i.e., LiPF6 and ethylene carbonate) has remained unchanged ever since commercialization in the early 1990s as mentioned in this paper.
Abstract: The basic formula of Li-ion battery electrolytes (i.e., LiPF6 and ethylene carbonate) has remained unchanged ever since commercialization in the early 1990s. However, toward advanced batteries with...
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TL;DR: In this article, multiple-angle incidence resolution spectrometry (MAIRS) was used for analyzing the structure of molecular aggregates in a thin film, which was originally developed in our group.
Abstract: Multiple-angle incidence resolution spectrometry (MAIRS), originally developed in our group, is a unique spectroscopic technique for analyzing the structure of molecular aggregates in a thin film, ...
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TL;DR: Rhodopsins, which are also called retinal proteins, are photoreceptive proteins that have attracted many researchers in physics, chemistry and biology and are now being studied in biology and physics.
Abstract: Rhodopsins, which are also called retinal proteins, are photoreceptive proteins. Their photoreactions have attracted many researchers in physics, chemistry and biology. In addition, they are now us...
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TL;DR: Pristine π-extended aromatic compounds are attractive as organic functional materials including organic semiconductors, but are difficult to synthesize in pure form because of their low solubility.
Abstract: Pristine π-extended aromatic compounds are attractive as organic functional materials including organic semiconductors, but are difficult to synthesize in pure form because of their low solubility ...
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TL;DR: In this paper, the authors used CTA for organotellurium-mediated radical polymerization (TERP) and showed that CTA is highly photosensitive and generates radicals by carbon-tellurium bond homolysis upon carbon- tellurium ionization.
Abstract: Organotellurium chain transfer agents (CTAs) used for organotellurium-mediated radical polymerization (TERP) are highly photosensitive and generate radicals by carbon-tellurium bond homolysis upon ...
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TL;DR: In a catalyst ink for polymer electrolyte fuel cells (PEFCs), some of the ionomer is adsorbed on the carbon-supported Pt catalyst (Pt/C), which enhances the ink stability, while the rest is dispers...
Abstract: In a catalyst ink for polymer electrolyte fuel cells (PEFCs), some of the ionomer is adsorbed on the carbon-supported Pt catalyst (Pt/C), which enhances the ink stability, while the rest is dispers...
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TL;DR: In this article, the synthesis of high-performance porous carbon materials via carbonization of environment-friendly biomass fits perfectly with the concepts of sustainability and green chemistry, and the authors report the results of their experiments.
Abstract: The synthesis of high-performance porous carbon materials via carbonization of environment-friendly biomass fits perfectly with the concepts of sustainability and green chemistry. Herein, we report...
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TL;DR: Zn-ZSM-5 zeolite is a promising catalyst that activates methane at room temperature without the need of a high-temperature pre-oxidation step.
Abstract: Zn-ZSM-5 zeolite is a promising catalyst that activates methane at room temperature without the need of a high-temperature pre-oxidation step, which is required for Fe- and Cu-ZSM-5 to form Fe- and...
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TL;DR: Fabrication of biocompatible polymeric carriers for sustained/controlled drug-delivery have been extensively explored over the years and systems based on polymers from natural origins exc...
Abstract: Fabrication of biocompatible polymeric carriers for sustained/controlled drug-delivery have been extensively explored over the years. Furthermore, systems based on polymers from natural origins exc...
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TL;DR: Poly(glycidyl methacrylate) (poly(GMA)) bearing pendant glycidyl groups, grafted on the surface of MgO-templated carbon (MgOC), is useful for forming strong multipoint covalent bonds with amino fun...
Abstract: Poly(glycidyl methacrylate) (poly(GMA)) bearing pendant glycidyl groups, grafted on the surface of MgO-templated carbon (MgOC), is useful for forming strong multipoint covalent bonds with amino fun...
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TL;DR: In this paper, molecular bond dissociation and formation reactions induced by localized surface plasmons of metal nanostructures are promising reactions in terms of the effective utilization of sunlight.
Abstract: Molecular bond dissociation and formation reactions induced by localized surface plasmons of metal nanostructures are promising reactions in terms of the effective utilization of sunlight. The plas...
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TL;DR: In this paper, composites of n-type semiconductors, ZnO and ZrS2 were used to enhance the power conversation efficiency of dye-sensitized solar cells.
Abstract: In order to enhance the power conversation efficiency of dye sensitized solar cells (DSSCs), various trials have been reported. In this work, composites of n-type semiconductors, ZnO and ZrS2 were ...
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TL;DR: Real-time imaging of the dynamics of single molecules and molecular assemblies with atomic-resolution electron microscopy is an emerging experimental methodology to obtain single-molecule-level inf... as mentioned in this paper.
Abstract: Real-time imaging of the dynamics of single molecules and molecular assemblies with atomic-resolution electron microscopy is an emerging experimental methodology to obtain single-molecule-level inf...
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TL;DR: In this paper, nitrogen-, boron- and bboron/nitrogen-doped carbon nanohorn were prepared and the capacitance performance of the ni... was analyzed.
Abstract: In this report, nitrogen-, boron- and boron/nitrogen-doped graphene and nitrogen-doped carbon nanohorn were prepared. Electrochemical analysis has shown the higher capacitance performance of the ni...
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TL;DR: In this article, it is shown that early transition metals favorably adopt their highest oxidation state with d0 configuration, and they have been interested in early transition metal complexes bearing redox properties.
Abstract: It is an intrinsic nature that early transition metals favorably adopt their highest oxidation state with d0 configuration. We have been interested in early transition metal complexes bearing redox...
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TL;DR: In this paper, a summary of palladium-based phosphine free catalysts for carbon-carbon coupling reactions is presented, with a discussion of the most important systems to be studied.
Abstract: Carbon-carbon coupling reactions are one of the most important systems to be studied and the design of palladium based phosphine free catalysts is crucial. In this account, we present a summary of ...
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TL;DR: A quantum chemical reaction prediction (QC-RP) method based on machine learning was developed to predict chemical products from given reactants.
Abstract: A quantum chemical reaction prediction (QC-RP) method based on machine learning was developed to predict chemical products from given reactants. The descriptors contain atomic information in reacta...
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TL;DR: In this article, the authors developed two approaches for the construction of artificial metalloenzymes showing either unique catalytic activities or substrate specificity, and demonstrated the use of a hollo...
Abstract: We have developed two novel approaches for the construction of artificial metalloenzymes showing either unique catalytic activities or substrate specificity. The first example is the use of a hollo...