Comparing Plasma-FIB and Ga-FIB Preparation of Atom Probe Tomography Samples
K Fisher, E Marquis; Comparing Plasma-FIB and Ga-FIB Preparation of Atom Probe Tomography Samples, Microscopy and Microanalysis, Volume 22, Issue S3, 1 Jul
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Detection and classification of power quality disturbances in time domain using probabilistic neural network
This paper proposes a new approach for detection and classification of power quality (PQ) disturbances in time domain. Most research in this field employs frequency domain analysis tools to analyse the features of PQ disturbances, such as Fourier transform and wavelet transform. However, the transient and steady-state…
Relaxation folding and the principle of the minimum rate of energy dissipation for conformational motions in a viscous medium
A numerical simulation of the folding of a model polymer chain of 50 units with valence bonds of a fixed length and fixed valence angle values has been performed using the strong friction approximation. The rate of energy dissipation in the system has been analyzed for conformational motions along a trajectory determi…
PAM4 signaling considerations for high-speed serial links
The paper discusses current challenges and advantages of multi-level signaling for high-speed serial links, showing the differences and similarities in link-path analysis between binary and multi-level signaling. Comparison of two signaling methodologies is given from the general theory viewpoint, as well as on the ba…
Influence of microwave plasma treatment on the surface properties of carbon fibers and their adhesion in a polypropylene matrix
A commercially available carbon fiber (CF) with an epoxy-based sizing (EP-sized CF) and an unsized CF have been plasma treated to study the effect on the fiber-matrix adhesion towards a polypropylene matrix. The EP-sized fiber was chosen because of its predictable low adhesion in a polypropylene (PP) matrix. The fiber…
The experimental investigation and numerical simulation of self-healing in metallized film capacitors
Metallized film capacitors have an ability to withstand the breakdown of dielectric film due to a “self-healing” feature. The optimal design of metallized electrodes' patterns guarantees high reliability of metallized film capacitors. This paper presents the results of numerical simulation of the intersegment gate cur…
Cassava starch coatings for postharvest control of papaya anthracnose
The effects of coating papaya fruit (Carica papaya) with cassava starch were studied, to determine the best concentration and mode of action of this material in postharvest control of anthracnose. The concentrations of starch tested were 1%, 2%, 3% and 4%. These were prepared to give gel consistency. Surface sterilize…
Surface Application of Lime–Silicate–Phosphogypsum Mixtures for Improving Tropical Soil Properties and Irrigated Common Bean Yield
Core Ideas Soil acidity limits crop production in tropical regions. Soil amendments mixture can be a strategy to alleviate subsoil acidity. Subsoil profile acidity reduces common bean grain yield. The movement of surface‐applied lime to subsurface soil layers is slow, and, consequently, liming requires a long period o…
Electrosurface properties of poly(ethylene terephthalate) films irradiated by heavy ions and track membranes based on these films
The streaming potential method realized in a slit-like setup using 10 –4 –10 –2 mol/L KCl solutions has been employed to study the electrosurface characteristics of poly(ethylene terephthalate) films, both initial and irradiated by heavy ions, as well as track membranes with pore sizes of 50 and 210 nm made from these…
Effect of hydrogen on dynamic charge transport in amorphous oxide thin film transistors
Hydrogen in zinc oxide based semiconductors functions as a donor or a defect de-activator depending on its concentration, greatly affecting the device characteristics of oxide thin-film transistors (TFTs). Thus, controlling the hydrogen concentration in oxide semiconductors is very important for achieving high mobilit…
Coordinative Amphiphiles as Tunable siRNA Transporters
In this study, we developed coordinative amphiphiles for use as novel siRNA transporters. As a modification of a conventional cationic lipid structure, we replaced the cationic head with zinc(II)-dipicolylamine complex (Zn/DPA) as a phosphate-directing group, and used various membrane-directing groups in the place of…
Sample Preparation Using Broad Argon Ion Beam Milling for Electron Backscatter Diffraction (EBSD) Analysis
Pawel Nowakowski, James Schlenker, Mary Ray, Paul Fischione; Sample Preparation Using Broad Argon Ion Beam Milling for Electron Backscatter Diffraction (EB
Electron Microscopy Investigation of Binder Saturation and Microstructural Defects in Functional Parts Made by Additive Manufacturing
Matthew Caputo, C Virgil Solomon, Phi-Khanh Nguyen, Ami E Berkowitz; Electron Microscopy Investigation of Binder Saturation and Microstructural Defects in
Graphene-based biosensors
Results of developing and testing graphene-based sensors capable of detecting protein molecules are presented. The biosensor operation was checked using an immunochemical system comprising fluorescein dye and monoclonal antifluorescein antibodies. The sensor detects fluorescein concentration on a level of 1–10 ng/mL a…
Thermal Buckling and Postbuckling Analysis of Functionally Graded Carbon Nanotube-Reinforced Composite Beams
Thermal buckling and postbuckling of functionally graded carbon nanotube-reinforced composite (FG-CNTRC) beams are investigated in this paper based on Timoshenko beam theory within the framework of von Kármán geometric nonlinearity. The material properties of FG-CNTRCs are assumed to be temperature-dependent and var…
Master-slave control with hysteresis inversion for dual-stage nanopositioning systems
This paper focuses on motion control of a piezo-based dual-stage nanopositioner where hysteresis and dynamic effects dominate the output response. A typical dual-stage micro/nano-scale positioning system consists of a long-range, low-speed actuator connected in series with a short-range, high-speed actuator. This arra…
Adlayer structure dependent ultrafast desorption dynamics in carbon monoxide adsorbed on Pd (111)
We report our ultrafast photoinduced desorption investigation of the coverage dependence of substrate-adsorbate energy transfer in carbon monoxide adlayers on the (111) surface of palladium. As the CO coverage is increased, the adsorption site population shifts from all threefold hollows (up to 0.33 ML), to bridge and…
Temporal and spatial evolution of runaway electrons at the instability moments in Damavand tokamak
The time and position behavior of runaway electrons at the Parail–Pogutse instability moments has been investigated using experimental observations in plasma current, loop voltage, the Hard X-ray (HXR) radiations, and 18 poloidal pickup coils signals received by data acquisition system simultaneously. The conditional…
Maximum anode chamber volume and minimum anode area for supporting electrogenesis in microbial fuel cells treating wastewater
During scale-up of microbial fuel cell (MFC), a proportional increment in power does not usually occur determining the importance of maximum possible anode chamber volume (Van) to exploit electrogenesis and achieve maximum energy recovery. A systematic approach is proposed for determining the optimal single anode cham…
Degradability, biocompatibility, and osteogenesis of biocomposite scaffolds containing nano magnesium phosphate and wheat protein both in vitro and in vivo for bone regeneration
In this study, bioactive scaffold of nano magnesium phosphate (nMP)/wheat protein (WP) composite (MWC) was fabricated. The results revealed that the MWC scaffolds had interconnected not only macropores (sized 400-600 μm) but also micropores (sized 10-20 μm) on the walls of macropores. The MWC scaffolds containing 40 w…