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Metabolomics Technologies for the Recognition as well as Quantification of Nutritional Phenolic Chemical substance Metabolites: A synopsis. © 2020 Society for Radiological Protection. Published on behalf of SRP by IOP Publishing Limited. All rights reserved.Conventional solitons (CSs) as well as bound-state solitons in a passively mode-locked erbium-doped fiber (EDF) laser based on 1T-phase titanium diselenide (1T-TiSe2) saturable absorber (SA) have been systematically demonstrated for the first time. The mode locker is assembled by sandwiching the 1T-TiSe2 film between two fiber ferrules to improve compatibility with the all-fiber-integrated ring cavity configuration. https://www.selleckchem.com/products/ms-275.html The modulation depth, saturation intensity and nonsaturable loss of the prepared 1T-TiSe2 SA are 14.36 %, 1.33 MW/cm2 and 9.44 %, respectively. The system, by means of carefully adjusting the orientations of the polarization controller (PC), is switchable between two states CS and bound-state CS. In the CS mode-locked regime, the oscillating wavelength is centered at 1558.294 nm with a pulse duration of 1.74 ps, a pulse repetition rate of 3.23 MHz and a maximum average output power of 2.904 mW, respectively. In the bound-state CS regime, two identical solitons form the bound-state pulses with a temporal separation of 6.1 ps, and the bound-state pulses are equally distributed at a repetition rate of 3.23 MHz, corresponding to the fundamental cavity repetition rate. The experimental results further indicate that 1T-TiSe2 SA is competitive to the existing SAs explored so far and will promote the applications of 1T-TiSe2-based SAs in the field of ultrafast lasers. © 2020 IOP Publishing Ltd.In this work, a feasible one-step approach to synthesize manganese oxide/graphene composites, so-called plasma-enhanced electrochemical exfoliation process (PE3P), has been developed. Herein, a composite of graphene decorated with manganese oxides nanoparticles was prepared via PE3P from KMnO4solution and graphite electrode under the voltage of 70 V at ambient condition. By controlling the initial KMnO4concentrations, we obtained distinct MnO2/graphene samples. The prepared samples were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy and Raman spectroscopy. The electrochemical measurements of the MnO2/graphene composites reveal that the specific capacitance of the samples is approximately 320 F g-1at a scan rate of 10 mV s-1, which is comparably very high for manganese oxide/carbon-based supercapacitor electrode materials. Considering the simple, low-cost, one-step and environmentally-friendly preparation, our approach has the potential to be used for the fabrication of MnO2/graphene composites as electrode materials of supercapacitors. Creative Commons Attribution license.The purpose of the work is to investigate the potentiality of using a limited number of in-room proton radiographies to compensate anatomical changes in adaptive proton therapy. The treatment planning CT is adapted to the treatment delivery scenario relying on 2D-3D deformable image registration (DIR). The proton radiographies, expressed in water equivalent thickness (WET) are simulated for both list-mode and integration-mode detector configurations in pencil beam scanning. Geometrical and analytical simulations of an anthropomorphic phantom in presence of anatomical changes due to breathing are adopted. A Monte Carlo simulation of proton radiographies based on a clinical CT image in presence of artificial anatomical changes is also considered. The accuracy of the 2D-3D DIR, calculated as root mean square error, strongly depends on the considered anatomical changes and is considered adequate for promising adaptive proton therapy when comparable to the accuracy of conventional 3D-3D DIR. In geometrical simulathe complexity of the considered anatomical changes determine the minimum number of radiographies to be used. © 2020 Institute of Physics and Engineering in Medicine.OBJECTIVE Intracortical electrical neural recording using solid-state electrodes is a prevalent approach in addressing neurophysiological queries and implementing brain-computer interfacing systems. As a variety of ultradensity microelectrode arrays (ultradensity-MEAs) are being created more recently, this paper answers to the rising demand for a more rigorous theory concerning this new type of neural electrode technology, both to guide the proper design and to inform the proper usage. APPROACH This design and use problem of ultradensity-MEAs for functional intracortical neuronal circuit mapping is approached from a signal analysis perspective. Starting with quantitative derivations of key basic concepts, the concept of ultradensity-MEA is defined in the context for fully resolving the voltage sources within its view volume. Then, the principle of using such an ultradensity-MEA for functional neural mapping is elaborated, and a recursive approach to completely resolve all voltage sources from the ultradensityion of an ultradensity-MEA for intracortical functional mapping. © 2020 IOP Publishing Ltd.Biologically active natural products have been used for the chemoprevention of cutaneous tumors. Lycopene is the main active phytochemical in tomatoes. We herein aimed to assess the cancer preventive effects of lycopene and to find potential molecular targets. In chemically-induced cutaneous tumor mice and cell models, lycopene attenuated cutaneous tumor incidence and multiplicity as well as the tumorigenesis of normal cutaneous cells in phase-selectivity (only in the promotion phase) manners. By utilizing a comprehensive approach combining bioinformatics with network pharmacology, we predicted that intracellular autophagy and redox status were associated with lycopene's preventive effect on cutaneous tumors. Lycopene stimulated the activation of antioxidant enzymes and the translocation of the transcription factor Nrf2 (nuclear factor erythroid 2-related factor 2) that predominantly maintained intracellular redox equilibrium. https://www.selleckchem.com/products/ms-275.html The cancer chemopreventive effects were mediated by Nrf2. Further, lycopene enhanced the expression of autophagy protein p62. Therefore this led to the degradation of Keap1(Kelch ECH associating protein 1), the main protein locking Nrf2 in cytoplasm. In conclusion, our study provides preclinical evidence of the chemopreventive effects of lycopene on cutaneous tumors and reveals the mechanistic link between lycopene's stimulation of Nrf2 signaling pathway and p62-mediated degradation of Keap1 via the autophagy-lysosomal pathway.
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