Immunoglobulin (Ig) VSTM2A (V-set and transmembrane domain containing 2A) is a top-ranked secretory protein frequently silenced during colorectal carcinogenesis; however, its role in immune modulation remains largely unknown. Bioinformatic and immunohistochemistry analysis of human colorectal specimens and Vstm2a knockout mice indicated that VSTM2A positively correlated with CD8a and immune infiltration in both physiological and pathological conditions. We then utilized liquid chromatography-mass spectrometry to pinpoint programmed death ligand 1 (PD-L1) as a membrane receptor of VSTM2A.
View Article and Find Full Text PDFEggplant verticillium wilt, caused by spp., is a severe eggplant vascular disease. , a wild species of eggplant that is resistant to verticillium wilt, will be beneficial for genetically modifying eggplants.
View Article and Find Full Text PDFThe possibility of agricultural-forestry waste (rice husks) and biodegradable plastics (poly(lactic acid)) being used to produce ecologically friendly foam composite was discussed in this work. The effects of different material parameters (the dosage of PLA-g-MAH, type and content of chemical foaming agent) on the microstructure and physical properties of composite were investigated. PLA-g-MAH promoted the chemical grafting between cellulose and PLA, and made the structure denser, thus improving the interface compatibility of the two phases and resulting in good thermal stability, high tensile strength (6.
View Article and Find Full Text PDFWe report the results of a neutron powder diffraction study of the phase transitions in deuterated methylammonium lead iodide, with a focus on the system of orientational distortions of the framework of PbIoctahedra. The results are analysed in terms of symmetry-adapted lattice strains and normal mode distortions. The higher-temperature cubic-tetragonal phase transition at 327 K is weakly discontinuous and nearly tricritical.
View Article and Find Full Text PDFEarly diagnosis and treatment do not prevent the high morbidity and poor prognosis of oral tongue squamous cell carcinoma (TSCC). Earlier studies have shown that ARG1 signaling is deregulated in TSCC. Here, we investigated the complexity of ARG1 metabolism in this cancer subsite to appreciate the therapeutic potential of this potential biological vulnerability.
View Article and Find Full Text PDFThis paper presents detailed measurements of gaseous species during the reburning process with high CO concentration in a bench-scale furnace. Superfine pulverized coal, with the average particle size below or around 20 μm, is used as the reburning fuel. The data of flue gas concentration (NO, HCN, NH, CH, O, CO, CO etc.
View Article and Find Full Text PDFBased on advantages of integer and fractional chaotic systems, hybrid chaotic systems and their definitions and some fundamental concepts are proposed, such as hybrid degree (HD), the lowest order (LO) and the total dimension order (TDO). The preliminary properties of hybrid Lorenz systems and hybrid forms of some classic chaotic systems are studied. Then, the relations between HD, LO and TDO with different parameters is investigated in chaotic systems.
View Article and Find Full Text PDFA novel composite (AgNPs-MIPs) was prepared by combining nano-silver particles with an ofloxacin (OFL) imprinted thermo-sensitive hydrogel. The thermo-sensitive optical properties of the composite were studied and it was used as a Raman substrate for the detection of ofloxacin. The results have shown that the position and intensity of the plasmon resonance absorption peak of the AgNPs-MIPs can be reversibly changed with the change of temperature, and the intensity of the ofloxacin Raman signal increases with the increase of temperature.
View Article and Find Full Text PDFThe catalytic reduction of NO in the presence of CO was investigated by density functional theory calculations with consideration of the iron involved in char (Fe-adsorbed char). The quantitative information of reaction kinetics was also evaluated using canonical variational transition-state theory in the temperature range of 500-1800 K. The analysis of the associated adsorption energies indicates that the affinity of the carbon active site toward NO and CO is stronger than that at the Fe site, and the NO adsorption on the carbon site in the N-down mode is the most energetically favorable.
View Article and Find Full Text PDFJ Environ Sci (China)
February 2020
In this paper, quantum chemistry computation (density functional theory) of multi-air-staged combustion was investigated in combination with experiment. It was found that the presence of oxygen in the combustion environment has a great influence on the surface chemistry of coal char. In the reaction pathway, the ring-opening reaction happens first, and is followed by NO adsorption.
View Article and Find Full Text PDFJ Nanosci Nanotechnol
December 2018
In this study, we reported a novel synthesis route of Bi2Ti2O7 pyrochlore by acetone solvothermal method. The bismuth nitrate and tetrabutyl titanate were used as reactant, and acetone was used as solvent. XRD patterns showed that the pure Bi2Ti2O7 particles were synthesized when the molar ratio of Bi/Ti was between 0.
View Article and Find Full Text PDFFragmentation and reduced continuity of habitat patches threaten the environment and biodiversity. Recently, ecological networks are increasingly attracting the attention of researchers as they provide fundamental frameworks for environmental protection. This study suggests a set of procedures to construct an ecological network.
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