Influence of low resolution of images on reliability of face detection and recognition     

Tomasz Marciniak  Agata Chmielewska  Radoslaw Weychan  Marianna Parzych  Adam Dabrowski 《Multimedia Tools and Applications》2015,74(12):4329-4349

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Filippo Giannazzo  Salvatore Ethan Panasci  Emanuela Schilirò  Patrick Fiorenza  Giuseppe Greco  Fabrizio Roccaforte  Marco Cannas  Simonpietro Agnello  Antal Koos  Béla Pécz  Marianna Španková  Štefan Chromik 《Advanced Materials Interfaces》2023,10(1):2201502

In this paper, 2D/3D heterojunction diodes have been fabricated by pulsed laser deposition (PLD) of MoS₂ on 4H-SiC(0001) surfaces with different doping levels, i.e., n⁻ epitaxial doping (≈10¹⁶ cm⁻³) and n⁺ ion implantation doping (>10¹⁹ cm⁻³). After assessing the excellent thickness uniformity (≈3L-MoS₂) and conformal coverage of the PLD-grown films by Raman mapping and transmission electron microscopy, the current injection across the heterojunctions is investigated by temperature-dependent current–voltage characterization of the diodes and by nanoscale current mapping with conductive atomic force microscopy. A wide tunability of the transport properties is shown by the SiC surface doping, with highly rectifying behavior for the MoS₂/n⁻ SiC junction and a strongly enhanced current injection for MoS₂/n⁺ SiC one. Thermionic emission is found the dominant mechanism ruling forward current in MoS₂/n⁻ SiC diodes, with an effective barrier Φ_B = (1.04 ± 0.09) eV. Instead, the significantly lower effective barrier Φ_B = (0.31 ± 0.01) eV and a temperature-dependent ideality factor for MoS₂/n⁺ SiC junctions is explained by thermionic-field-emission through the thin depletion region of n⁺ doped SiC. The scalability of PLD MoS₂ deposition and the electronic transport tunability by implantation doping of SiC represents key steps for industrial development of MoS₂/SiC devices.  相似文献   

Designing and providing integrated product-service systems – challenges,opportunities and solutions resulting from prescriptive approaches in two industrial companies     

Johannes Matschewsky  Marianna Lena Kambanou  Tomohiko Sakao 《国际生产研究杂志》2018,56(6):2150-2168

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Shengfu Yang  Cheng Feng  Daniel Spence  Aula M. A. A. Al Hindawi  Elspeth Latimer  Andrew M. Ellis  Chris Binns  Davide Peddis  Sarnjeet S. Dhesi  Liying Zhang  Yafei Zhang  Kalliopi N. Trohidou  Marianna Vasilakaki  Nikolaos Ntallis  Ian MacLaren  Frank M. F. de Groot 《Advanced materials (Deerfield Beach, Fla.)》2017,29(1)

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Jessyca Ribeiro Willemann  Graziela Bragueto Escher  Tai Kaneshima  Marianna Miranda Furtado  Anderson S. Sant'Ana  Mariana Araújo Vieira do Carmo  Luciana Azevedo  Daniel Granato 《Journal of food science》2020,85(8):2358-2367

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Marianna Rossetti  Lorenzo Stella  Judit Morlà-Folch  Sara Bobone  Ariadna Boloix  Lorena Baranda  Danila Moscone  Mònica Roldán  Jaume Veciana  Miguel F. Segura  Mariana Köber  Nora Ventosa  Alessandro Porchetta 《Advanced functional materials》2021,31(46):2103511

The development of artificial vesicles into responsive architectures capable of sensing the biological environment and simultaneously signaling the presence of a specific target molecule is a key challenge in a range of biomedical applications from drug delivery to diagnostic tools. Herein, the rational design of biomimetic DNA-grafted quatsome (QS) nanovesicles capable of translating the binding of a target molecule to amphiphilic DNA probes into an optical output is presented. QSs are synthetic lipid-based nanovesicles able to confine multiple organic dyes at the nanoscale, resulting in ultra-bright soft materials with attractiveness for sensing applications. Dye-loaded QS nanovesicles of different composition and surface charge are grafted with fluorescent amphiphilic nucleic acid-based probes to produce programmable FRET-active nanovesicles that operate as highly sensitive signal transducers. The photophysical properties of the DNA-grafted nanovesicles are characterized and the highly selective, ratiometric detection of clinically relevant microRNAs with sensitivity in the low nanomolar range are demonstrated. The potential applications of responsive QS nanovesicles for biosensing applications but also as functional nanodevices for targeted biomedical applications is envisaged.  相似文献   

    

Maria Serena Maglione  Stefano Casalini  Stamatis Georgakopoulos  Marianna Barbalinardo  Vitaliy Parkula  Núria Crivillers  Concepció Rovira  Pierpaolo Greco  Marta Mas‐Torrent 《Small (Weinheim an der Bergstrasse, Germany)》2018,14(10)

A switchable electrode, which relies on an indium‐tin oxide conductive substrate coated with a self‐assembled monolayer terminated with an anthraquinone group (AQ), is reported as an electrowetting system. AQ electrochemical features confer the capability of yielding a significant modulation of surface wettability as high as 26° when its redox state is switched. Hence, an array of planar electrodes for droplets actuation is fabricated and integrated in a microfluidic device to perform mixing and dispensing on sub‐nanoliter scale. Vehiculation of cells across microfluidic compartments is made possible by taking full advantage of surface electrowetting in culture medium.  相似文献   

    

João P. Martins  Roberto D'Auria  Dongfei Liu  Flavia Fontana  Mónica P. A. Ferreira  Alexandra Correia  Marianna Kemell  Karina Moslova  Ermei Mäkilä  Jarno Salonen  Luca Casettari  Jouni Hirvonen  Bruno Sarmento  Hélder A. Santos 《Small (Weinheim an der Bergstrasse, Germany)》2018,14(27)

The last decade has seen remarkable advances in the development of drug delivery systems as alternative to parenteral injection‐based delivery of insulin. Neonatal Fc receptor (FcRn)‐mediated transcytosis has been recently proposed as a strategy to increase the transport of drugs across the intestinal epithelium. FcRn‐targeted nanoparticles (NPs) could hijack the FcRn transcytotic pathway and cross the epithelial cell layer. In this study, a novel nanoparticulate system for insulin delivery based on porous silicon NPs is proposed. After surface conjugation with albumin and loading with insulin, the NPs are encapsulated into a pH‐responsive polymeric particle by nanoprecipitation. The developed NP formulation shows controlled size and homogeneous size distribution. Transmission electron microscopy (TEM) images show successful encapsulation of the NPs into pH‐sensitive polymeric particles. No insulin release is detected at acidic conditions, but a controlled release profile is observed at intestinal pH. Toxicity studies show high compatibility of the NPs with intestinal cells. In vitro insulin permeation across the intestinal epithelium shows approximately fivefold increase when insulin is loaded into FcRn‐targeted NPs. Overall, these FcRn‐targeted NPs offer a toolbox in the development of targeted therapies for oral delivery of insulin.  相似文献   

    

Francesco Decataldo  Marianna Barbalinardo  Marta Tessarolo  Vito Vurro  Maria Calienni  Denis Gentili  Francesco Valle  Massimiliano Cavallini  Beatrice Fraboni 《Advanced Materials Technologies》2019,4(9)

Current technologies to monitor formation and disruption in in vitro cell cultures are based either on optical techniques or on electrical impedance/resistance measurement, which often rely on cumbersome and time‐consuming measurements and data analyses. In this paper, poly(3,4‐ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS)‐based organic electrochemical transistors (OECTs) are proposed with channel areas specifically designed and dimensioned as fast and real‐time monitoring devices for a large variety of cell lines, with a broad range of tissue resistance. In particular, it is investigated how and why two device configurations provide a different response to leaky‐barrier (NIH‐3T3) and strong‐barrier (CaCo‐2) cell lines growth and detachment, achieving a continuous monitoring also for leaky‐barrier cell layer growth and detachment. Data are collected using the transistor dynamic behavior to a DC potential pulse on the gate, providing an excellent time resolution and thus enhancing the amount of information that can be collected for fast biological processes (<5 s).  相似文献   

Flaxleaf Fleabane Leaves (Conyza bonariensis), A New Functional Nonconventional Edible Plant?     

Suzane Lucas Schechtel  Vanessa Cristina Rodrigues de Matos  Jnio Sousa Santos  Thiago Mendanha Cruz  Mariza Boscacci Marques  Mingchun Wen  Liang Zhang  Marianna Miranda Furtado  Anderson S. Sant'Ana  Mariana Araújo Vieira do Carmo  Luciana Azevedo  Jssica Caroline Bigaski Ribeiro  Daniel Granato 《Journal of food science》2019,84(12):3473-3482

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