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Solution-based nanosensors for in-field detection with the naked eye

23-Mar-2015 | Sureyya Paterson; Roberto de la Rica, Analyst, 2015

Nanomaterials are revolutionising analytical applications with low-cost tests that enable detecting a target molecule in a few steps and with the naked eye. With this approach, non-experts can perform analyses on-site and without utilising electronic readers. This is advantageous in point-of-care ...

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Salicylate Ion‐Selective Electrode Based on a Calix[4]arene as Ionophore

20-Mar-2015 | Melek Nur Ayanoğlu, H. Elif Kormalı Ertürün, Ayça Demirel Özel, Özlem Şahin, Mustafa Yılmaz, Esma Kılıç, Electroanalysis, 2015

Abstract A salicylate‐selective electrode based on calix[4]arene derivative was developed and its response characteristics were investigated. The optimum membrane composition was 1 % ionophore, 30 % PVC, 69 % DOS. The electrode exhibited a Nernstian slope of 58.8±0.5 mV/pSal in the range of ...

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Detection of p53 Gene by Using Genomagnetic Assay Combined with Carbon Nanotube Modified Disposable Sensor Technology

20-Mar-2015 | Gulsah Congur, Medard Plucnara, Arzum Erdem, Miroslav Fojta, Electroanalysis, 2015

Abstract Electrochemical monitoring of DNA hybridization related to p53 gene sequence was investigated using genomagnetic assay combined with single walled carbon nanotube (SWCNT) modified pencil graphite electrodes (PGEs). The hybridization was performed either at magnetic beads (MB) surface ...

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Sensors, Vol. 15, Pages 6740-6762: Location Detection and Tracking of Moving Targets by a 2D IR-UWB Radar System

19-Mar-2015 | Nguyen, Van-Han ; Pyun, Jae-Young, Sensors, 2015

In indoor environments, the Global Positioning System (GPS) and long-range tracking radar systems are not optimal, because of signal propagation limitations in the indoor environment. In recent years, the use of ultra-wide band (UWB) technology has become a possible solution for object detection, ...

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Seamless stitching of tile scan microscope images

18-Mar-2015 | F.B. Legesse, O. Chernavskaia, S. Heuke, T. Bocklitz, T. Meyer, J. Popp, R. Heintzmann, Journal of Microscopy, 2015

Summary For diagnostic purposes, optical imaging techniques need to obtain high‐resolution images of extended biological specimens in reasonable time. The field of view of an objective lens, however, is often smaller than the sample size. To image the whole sample, laser scanning microscopes ...

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Device for dielectrophoretic separation and collection of nanoparticles and DNA under high conductance conditions

17-Mar-2015 | Youngjun Song, Avery Sonnenberg, Yvonne Heaney, Michael J. Heller, ELECTROPHORESIS, 2015

Most dielectrophoretic (DEP) separations of cells, nanoparticles and other entities are carried out on microelectrode arrays or in microfluidic device formats. Less work has been directed at designing pipette type formats that would allow dipping into and recovering specific analytes from ...

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Different bacterial models for in vitro induction of non‐cavitated enamel caries‐like lesions: Microhardness and polarized light miscroscopy analyses

17-Mar-2015 | Priscila Hernández De Campos, Mariane Emi Sanabe, Jonas Almeida Rodrigues, Danilo Antonio Duarte, Maria Teresa Botti ..., Microscopy Research and Technique, 2015

ABSTRACT The aim of this study was to compare different bacterial models for in vitro induction of non‐cavitated enamel caries‐like lesions by microhardness and polarized light microscopy analyses. One hundred blocks of bovine enamel were randomly divided into four groups (n = 25) according to ...

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Development of a sensitive, stable and EGFR‐specific molecular imaging agent for surface enhanced Raman spectroscopy

17-Mar-2015 | Leanne J. Lucas, Claudio Tellez, Maiara L. Castilho, Christopher L. D. Lee, Michael A. Hupman, Lais S. Vieira, Isabe ..., Journal of Raman Spectroscopy, 2015

We created and studied a novel nanoprobe for spectroscopic molecular imaging of the epidermal growth factor (EGF) receptor, whose over‐expression is a hallmark of a wide range of cancers. Silver nanoparticles (AgNPs) of 45 nm diameter were synthesized and coupled to EGF by α‐lipoic acid, a short ...

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Maltose Neopentyl Glycol-3 (MNG-3) Analogues for Membrane Protein Study: Implication for Importance of Match/Mismatch between Amphiphile Hydrophobicity and Membrane Protein Propensity to Aggregate and Denature

17-Mar-2015 | Pil Seok Chae; Kyung Ho Cho; Mohd Husri; Anowarul Amin; Kamil Gotfryd; Ho Jin Lee; Juyeon Go; Claus J Loland; Lan Gu ..., Analyst, 2015

Detergents are typically used to both extract membrane proteins (MPs) from the lipid bilayer and maintain them in solution. However, MPs encapsulated in detergent micelles are often prone to denaturation and aggregation. Thus, development of novel agents with enhanced stabilization ...

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Sensors, Vol. 15, Pages 6360-6382: A Model-Based 3D Template Matching Technique for Pose Acquisition of an Uncooperative Space Object

16-Mar-2015 | Opromolla, Roberto ; Fasano, Giancarmine ; Rufino, Giancarlo ; Grassi, Michele, Sensors, 2015

This paper presents a customized three-dimensional template matching technique for autonomous pose determination of uncooperative targets. This topic is relevant to advanced space applications, like active debris removal and on-orbit servicing. The proposed technique is model-based and produces ...

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