33 research outputs found

    Ajwainとそのフェノール化合物であるカルバクロールは,PC12細胞におけるカドミウム誘導アポトーシスを改善する [全文の要約]

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    この博士論文全文の閲覧方法については、以下のサイトをご参照ください。https://www.lib.hokudai.ac.jp/dissertations/copy-guides

    Ajwain and its phenolic compound, carvacrol improve cadmium-induced apoptosis in PC12 cells

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    Calculation of vibrational energy of molecule using coupled cluster linear response theory in bosonic representation: convergence studies

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    Vibrational excited state energies have been calculated using vibrational coupled cluster linear response theory (CCLRT). The method has been implemented on formaldehyde and water molecule. Convergence studies have been shown with varying the cluster operator from S4 to S6 as well as the excitation operator from four bosons to six bosons. A good agreement with full configuration interaction results has been observed with S6 truncation at coupled-cluster method level and six bosonic excitations at CCLRT level

    Impact of Organizational and Family Support on Work-Life Balance: An Empirical Research

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    Purpose: Aim of this study is to examine the impact of organization and family support on an individual’s work-life balance (WLB in the context of higher educational institutes (HEIs) in Bangladesh. The theoretical basis of the study is grounded on the work/family border theory of Clark (2000). Methods: The study was conducted with a sample of 198 academicians of the (HEIs) in Bangladesh. A self-administered questionnaire was used for data collection. SPSS version 21 and SmartPLS 3.0 software were used for data analysis. A measurement model was analyzed for assessing the reliability and validity of the research instrument. The partial least squares structural equation model (PLS-SEM) was applied for testing the hypothesized model of the study. Results: The results reveal that organizational support (β = 0.404) and family support (β = 0.269) significantly (p<0.05) influence work-life balance with a variance (R2) of 32.1%. Implications: This study exposed the organizational roles in managing the conflicts of people’s personal life and professional life. Findings would inspire the authorities to formulate employee-friendly organizational strategies and design WLB programs in assisting employees to manage their overall life both in the work and family domains. Limitations: The research was limited to HEIs in Bangladesh which restricts the generalizability of its results

    Recent Advances in Bimetallic Nanoporous Gold Electrodes for Electrochemical Sensing

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    Bimetallic nanocomposites and nanoparticles have received tremendous interest recently because they often exhibit better properties than single-component materials. Improved electron transfer rates and the synergistic interactions between individual metals are two of the most beneficial attributes of these materials. In this review, we focus on bimetallic nanoporous gold (NPG) because of its importance in the field of electrochemical sensing coupled with the ease with which it can be made. NPG is a particularly important scaffold because of its unique properties, including biofouling resistance and ease of modification. In this review, several different methods to synthesize NPG, along with varying modification approaches are described. These include the use of ternary alloys, immersion–reduction (chemical, electrochemical, hybrid), co-electrodeposition–annealing, and under-potential deposition coupled with surface-limited redox replacement of NPG with different metal nanoparticles (e.g., Pt, Cu, Pd, Ni, Co, Fe, etc.). The review also describes the importance of fully characterizing these bimetallic nanocomposites and critically analyzing their structure, surface morphology, surface composition, and application in electrochemical sensing of chemical and biochemical species. The authors attempt to highlight the most recent and advanced techniques for designing non-enzymatic bimetallic electrochemical nanosensors. The review opens up a window for readers to obtain detailed knowledge about the formation and structure of bimetallic electrodes and their applications in electrochemical sensing

    Anharmonicity in the Vibrational Spectra of Naphthalene and Naphthalene‑<i>d</i><sub>8</sub>: Experiment and Theory

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    In this paper, we report the gas phase infrared (IR) spectra of naphthalene and naphthalene-<i>d</i><sub>8</sub> recorded in the mid-infrared region (3200–500 cm<sup>–1</sup>) using a heated multipass long path gas cell. Several combination bands appear as shoulders and satellite peaks in the 3200–2600 cm<sup>–1</sup>region along with the C–H stretch fundamental bands. Experimental IR spectra of these molecules were systematically analyzed with vibrational self-consistent field (VSCF) theory, vibrational second order perturbation theory (VPT2) and vibrational couple cluster method (VCCM) with two different potential energy surfaces obtained using B3LYP and MP2 methods. A comparative study between these two PESs was made to match the observed spectra. Final assignment of the IR spectra of naphthalene and naphthalene-<i>d</i><sub>8</sub> was done using the VCCM with MP2 potential, which provided the best match

    Electrostatic Shock Structures in a Magnetized Plasma Having Non-Thermal Particles

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    A rigorous theoretical investigation has been made on the nonlinear propagation of dust-ion-acoustic shock waves in a multi-component magnetized pair-ion plasma (PIP) having inertial warm positive and negative ions, inertialess non-thermal electrons and positrons, and static negatively charged massive dust grains. The Burgers&rsquo; equation is derived by employing the reductive perturbation method. The plasma model supports both positive and negative shock structures in the presence of static negatively charged massive dust grains. It is found that the steepness of both positive and negative shock profiles declines with the increase of ion kinematic viscosity without affecting the height, and the increment of negative (positive) ion mass in the PIP system declines (enhances) the amplitude of the shock profile. It is also observed that the increase in oblique angle raises the height of the positive shock profile, and the height of the positive shock wave increases with the number density of positron. The applications of the findings from the present investigation are briefly discussed

    PC Based Low Cost Energy Meter Billing System for Home and Commercial Buildings

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    Abstract — Meter reading is an important part of billing system for residential and commercial buildings. The importance of an effective and efficient billing system cannot be over emphasized. This is very critical as small errors can lead to substantial loss of revenue. This often does not reflect the exact or true electricity consumption of such buildings, resulting in an inefficient bill mainly due to human errors. Thus, it is essential to have an efficient and effective system for this measurement purposes. This paper is about the design and construction of a personal computer (PC) based power monitoring system. It is made up of integrated circuits, active and passive hardware devices and a Visual Basic software program which is used for programming the PC serial port. This design monitors the amount of electrical power used, up to 600 watt, transmitting data through a central receiving unit connected to a PC via USB serial (COM) port. The PC displays and stores the data for future recall and simple cost analysis. The device is used to measure accurately the electric power consumed by a residential or commercial buildings which is more economical compared to the electromechanical devices. Utility companies can directly monitor and control electrical power supply billing of its distributed consumers without engaging the services of human oriented meter readers. The meter displays the consumed power per minute. The potential of the developed system are mainly the advantages of virtual instrumentation, flexibility, lower built cost and high performance, high accuracy in power monitoring and power management
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