246 results match your criteria: "Research Institute of Science and Technology[Affiliation]"

Paste Aging Spontaneously Tunes TiO Nanoparticles into Reproducible Electrosprayed Photoelectrodes.

ACS Appl Mater Interfaces

November 2021

Department of Modern Mechanical Engineering, Waseda University, 3-4-1 Ookubo, Shinjuku-ku, Tokyo 269-8555, Japan.

In this study, the spontaneous microstructure tuning of TiO was observed by aging the ethanol/water TiO paste for up to 20 days at ambient conditions. A dynamic light scattering study reveals that it formed the outstanding reproducible TiO microstructure with a ∼200 nm average particle size and stabilizes in 6 to 20 days under an ambient atmosphere. Interestingly, the as-deposited day 15 sample spontaneously changed its crystallinity upon keeping the paste at ambient conditions; meanwhile the day 0 sample showed an amorphous structure.

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The aim of this study was to analyze the impact of three concentrations of a pesticide mixture on the first development stages of rainbow trout (). The mixture was made up of three commonly used pesticides in viticulture: glyphosate (GLY), chlorpyrifos (CPF) and copper sulfate (Cu). Eyed stage embryos were exposed for 3 weeks to three concentrations of the pesticide mixture.

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Correction: Dinuclear cobalt complexes with a redox active biphenyl bridging ligand [Co(BP)(tqa)](PF) (HBP = 4,4'-bis(3-tert-butyl-1,2-catechol), tqa = tris(2-quinolylmethyl)amine): structure and magnetic properties.

Dalton Trans

August 2021

Diffraction & Scattering Division, Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan and Institute for Integrated Cell-Material Sciences (iCeMS), Institute for Advance Study (KUIAS), Kyoto University, Kyoto, Japan.

Correction for 'Dinuclear cobalt complexes with a redox active biphenyl bridging ligand [Co(BP)(tqa)](PF) (HBP = 4,4'-bis(3-tert-butyl-1,2-catechol), tqa = tris(2-quinolylmethyl)amine): structure and magnetic properties' by Yusaku Suenaga et al., Dalton Trans., 2021, DOI: .

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Ark shells are commercially important clam species that inhabit in muddy sediments of shallow coasts in East Asia. For a long time, the lack of genome resources has hindered scientific research of ark shells. Here, we report a high-quality chromosome-level genome assembly of Scapharca kagoshimensis, with an aim to unravel the molecular basis of heme biosynthesis, and develop genomic resources for genetic breeding and population genetics in ark shells.

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Metal-supported few-layer graphene (FLG) was synthesized via microwave-assisted catalytic graphitization owing to the increasing demand for it and its wide applications. In this study, we quickly converted earth-abundant and low-cost bituminous coal to FLG over Fe catalysts at a temperature of 1300 °C. X-ray diffraction, Raman spectroscopy, transmission electron microscopy, and N adsorption-desorption experiments were performed to analyze the fabricated metal-supported FLG.

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Dinuclear cobalt complexes with a redox active biphenyl bridging ligand [Co(BP)(tqa)](PF) (HBP = 4,4'-bis(3--butyl-1,2-catechol), tqa = tris(2-quinolylmethyl)amine): structure and magnetic properties.

Dalton Trans

July 2021

Diffraction & Scattering Division, Japan Synchrotron Radiation Research Institute(JASRI), 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan and Institute for Integrated Cell-Material Sciences (iCeMS), Institute for Advance Study (KUIAS), Kyoto University, Kyoto, Japan.

The biscatechol, H4BP (4,4'-bis(3-tert-butyl-1,2-catechol)) that can directly connect two redox active catechol moieties was synthesized. Also, tris(2-pyridylmethyl)amine (tpa), bis(2-pyridylmethyl)(2-quinolylmethyl)amine (bpqa), (2-pyridylmethyl)bis(2-quinolyl methyl)amine (pbqa), and tris (2-quinolylmethyl)amine (tqa) were synthesized as terminal ligands of the tetracoordinated tripod. In total, five different dinuclear Co complexes were synthesized from H4BP with various terminal ligands as follows, [Co2(BP)(tpa)2](PF6)2 (1), [Co2(BP)(tpa)2](PF6)3 (2), [Co2(BP)(bpqa)2](PF6)2 (3), [Co2(BP)(pbqa)2](PF6)2 (4), and [Co2(BP)(tqa)2](PF6)2 (5).

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The photovoltaic performance of perovskite solar cells (PSCs) can be improved by utilizing efficient front contact. However, it has always been a significant challenge for fabricating high-quality, scalable, controllable, and cost-effective front contact. This study proposes a realistic multi-layer front contact design to realize efficient single-junction PSCs and perovskite/perovskite tandem solar cells (TSCs).

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Hierarchical-pore UiO-66 modified with Ag for π-complexation adsorption desulfurization.

J Hazard Mater

September 2021

School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China. Electronic address:

Adsorption desulfurization represents an alternative technology for the effective removal of thiophenic compounds from fuels. Metal-organic frameworks have been the ideal candidates for the adsorptive desulfurization of fuel due to the high surface areas. Pristine UiO-66 is thought to be appropriate for the removal of small thiophenic compounds.

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Sustainable intensive cropping systems have been implemented for three decades in suburban agricultural districts of Shanghai, China. These human-managed soils have been developed from paleosol or alluvial soils across different regions. However, little is known about the geographical distribution patterns of microbes and microbial community assembly in the sustainable intensive soils after decades of anthropogenic disturbances.

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Here, we present the single-step laser-assisted fabrication of anti-reflective hierarchical surface textures on silicon locally functionalized with a photoluminescent (PL) molecular nanolayer. Using femtosecond-laser ablation of commercial crystalline Si wafers placed under a layer of a solution containing rhodamine 6G (R6G) a triethoxysilyl derivative, we fabricated ordered arrays of microconical protrusions with self-organized nanoscale surface morphology. At the same time, the laser-induced temperature increase facilitated surface activation and local binding of the R6G derivative to the as-fabricated nanotextured surface.

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The rational combination of plasmonic and all-dielectric concepts within hybrid nanomaterials provides a promising route toward devices with ultimate performance and extended modalities. Spectral matching of plasmonic and Mie-type resonances for such nanostructures can only be achieved for their dissimilar characteristic sizes, thus making the resulting hybrid nanostructure geometry complex for practical realization and large-scale replication. Here, we produced amorphous TiO nanospheres decorated and doped with Au nanoclusters via single-step nanosecond-laser irradiation of commercially available TiO nanopowders dispersed in aqueous HAuCl.

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These days, composite materials based on polymers and inorganic nanoparticles (NPs) are widely used in optoelectronics and biomedicine. In this work, composite membranes of polylactic acid and ZnO NPs containing 5-40 wt.% of the latter NPs were produced by means of electrospinning.

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Adipocytes, which comprise the majority of white adipose tissue (WAT), are involved in obesity-related pathology via various mechanisms, including disturbed lysosomal enzymatic activity and accumulation of oxidative stress. Sequestosome 1 (SQSTM1/p62) is an autophagy marker that participates in antioxidative responses via the activation of nuclear factor erythroid-derived 2-like 2 (NRF2). Trehalose is a non-reducing disaccharide reported to suppress adipocyte hypertrophy in obese mice and improve glucose tolerance in humans.

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Amorphous silicon (α-Si) film present an inexpensive and promising material for optoelectronic and nanophotonic applications. Its basic optical and optoelectronic properties are known to be improved via phase transition from amorphous to polycrystalline phase. Infrared femtosecond laser radiation can be considered to be a promising nondestructive and facile way to drive uniform in-depth and lateral crystallization of α-Si films that are typically opaque in UV-visible spectral range.

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Isotope chemometrics determines farming methods and geographical origin of vegetables from Yangtze River Delta Region, China.

Food Chem

April 2021

State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Hangzhou 310021, China; Institute of Quality and Standard for Agricultural Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China. Electronic address:

Shanghai city has encountered possible food fraud regarding the geographical mislabeling of vegetables for economic gain. A combination of δC, δN, δH and δO values and partial least squares discrimination analysis and support vector machine (SVM) methods were used for the first time to assess farming methods and determine the origin of vegetables from Shanghai city, Anhui and Zhejiang provinces. The results showed that 65.

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This article provides useful information for universities offering forestry programs and facing the growing demand for bioeconomy education. An explorative survey on bioeconomy perception among 1400 students enrolled in 29 universities across nine European countries offering forestry programs was performed. The data have been elaborated via descriptive statistics and cluster analysis.

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Sequential recovery of gold and copper from bioleached wastewater using ion exchange resins.

Environ Pollut

November 2020

Division of Semiconductor and Chemical Engineering, Jeonbuk National University (formerly Chonbuk National University), Jeonbuk, Republic of Korea; School of Chemical Engineering, Jeonbuk National University (formerly Chonbuk National University), Jeonbuk, Republic of Korea. Electronic address:

Numerous studies have sought to address the extraction of metals from printed circuit boards by employing bioleaching process. However, separation and recovery of the bioleached metals have always been a bottleneck. Herein, we demonstrate effective recovery of bioleached Au and Cu via selective separation using ion exchange resins.

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CO-responsive smart fluids have been widely investigated in the past decade. In this article, we reported a CO-responsive smart fluid based on supramolecular assembly structures varying from vesicles to wormlike micelles. Firstly, oleic acid and 3-dimethylaminopropylamine reacted to form a single-chain weak cationic surfactant with a tertiary amine head group, -[3-(dimethylamino)propyl]oleamide (NDPO).

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A novel method for evaluating activity of transient receptor potential channels using a cellular dielectric spectroscopy.

J Pharmacol Sci

August 2020

Division of Cancer Pathophysiology, National Cancer Center Research Institute, Tokyo 104-0045, Japan; Translational Research Center, Research Institute of Science and Technology, Tokyo University of Science, Chiba 278-8510, Japan; Division of Supportive Care Research, Exploratory Oncology Research & Clinical Trial Center, National Cancer Center, Tokyo 104-0045, Japan; Innovation Center for Supportive, Palliative and Psychosocial Care, National Cancer Center Hospital, Tokyo 104-0045, Japan; Department of Comprehensive Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki 852-8523, Japan. Electronic address:

Cellular dielectric spectroscopy (CDS) is a novel technology enabling pharmacological evaluation of multiple receptor types with a label-free cell-based assay. We evaluated activities of a family of ligand-gated channels, transient receptor potential vanilloid 1 (TRPV1) and transient receptor potential ankyrin 1 (TRPA1) channels by an electrical impedance-based biosensor (CellKey™ system) using CDS. Measures of both potency (EC) and efficacy (E) of these agonists with CellKey™ were almost identical to those made using the traditional Ca influx assay in TRPV1- or TRPA1-expressing cells, suggesting that CellKey™ is a simpler and easier means of evaluating TRP activities.

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Article Synopsis
  • Cancer cells have high levels of reactive oxygen species due to their rapid metabolism, creating a need for drug delivery systems that specifically target these cells while minimizing damage to normal ones.
  • Magnetic nanoparticles, specifically FeO@OA-CS-5-FLU-NPs, were synthesized to deliver anticancer drugs effectively, with successful characterization through various techniques.
  • Tests showed that these nanoparticles were cytotoxic to A549 and HeLa S3 cancer cells, indicating their potential as a safe and effective option for cancer treatment, deserving further research for theranostic applications.
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Nutrient removal, methane and nitrous oxide emissions in a hybrid constructed wetland treating anaerobic digestate.

Sci Total Environ

September 2020

Shanghai Zhuoyuan Water-Ecological Environment Engineering Co., LTD, PR China.

A pilot hybrid constructed wetland (CW) planted with reeds (Phragmite australis) and rice (Oryza sativa L.) was designed to treat liquid anaerobic digestate in the Yangtze River Delta, China. The hybrid CW system was composed of four stages: two reed vegetated vertical subsurface flow beds (VSSF: U1 and U2) in sequence, followed by a reed vegetated horizontal subsurface flow bed (HSSF: U3) and a rice vegetated surface flow bed (SF: U4).

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Experimental Study on the Failure Mechanisms in Brittle Shales.

ACS Omega

May 2020

Department of Oil & Gas Storage and Transportation Engineering, Beijing Key Laboratory of Pipeline Critical Technology and Equipment for Deepwater Oil & Gas Development, Beijing Institute of Petrochemical Technology, Beijing 102617, People's Republic of China.

The brittle failure of Chengkou shale occurs throughout the exploration and development processes of hydrocarbons. To investigate the failure mechanisms of Chengkou shale and analyze the associated mechanical behavior such as crack initiation, propagation, and coalescence at different stress levels, a series of laboratory experiments were conducted on servo-controlled triaxial cells equipped with ultrasound monitoring. The experimental results show that key mechanical parameters such as peak stress σ, stress onset of dilation σ, and strain at peak stress ε exhibit nearly linear relationships at various confining pressures.

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Poly (ADP-ribose) polymerase 1 (PARP1) plays important roles in single strand DNA repair. PARP1 inhibitors enhance the effects of DNA damaging drugs in homologous recombination-deficient tumors including tumors with breast cancer susceptibility gene (BRCA1) mutation. Nutlin-3a, an analog of cis-imidazoline, inhibits degradation of murine double minute 2 (MDM2) and stabilizes p53.

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