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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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Dye biosorption from water employing chemically modified calabrian pine cone shell as an effective biosorbent

22-Mar-2015 | Fatih Deniz, Environmental Progress, 2015

The feasibility of base (0.1 M NaOH) treated cone shell of Calabrian pine as an effective and inexpensive biosorbent was examined for removal of C.I. Basic Red 46 as a model azo dye from aqueous solution. Biosorption conditions selected for this study were optimized using Taguchi experimental ...

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Physiochemical Properties, Microstructure, and Probiotic Survivability of Nonfat Goats’ Milk Yogurt Using Heat‐Treated Whey Protein Concentrate as Fat Replacer

21-Mar-2015 | Tiehua Zhang, James McCarthy, Guorong Wang, Yanyan Liu, Mingruo Guo, Journal of Food Science, 2015

Abstract There is a market demand for nonfat fermented goats’ milk products. A nonfat goats’ milk yogurt containing probiotics (Lactobacillus acidophilus, and Bifidobacterium spp.) was developed using heat‐treated whey protein concentrate (HWPC) as a fat replacer and pectin as a thickening ...

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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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Oxidative Degradation of Nalidixic Acid by Nano-magnetite via Fe2+/O2-Mediated Reactions

20-Mar-2015 | Sandy G. Ardo; Sylvie Nélieu; Georges Ona-Nguema; Ghislaine Delarue; Jessica Brest; Elsa Pironin; Guillaume Morin, Environmental Science & Technology, 2015

Organic pollution has become a critical issue worldwide due to the increasing input and persistence of organic compounds in the environment. Iron minerals are potentially able to degrade efficiently organic pollutants sorbed to their surfaces via oxidative or reductive transformation processes. ...

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[Report] Multidimensional hierarchical self-assembly of amphiphilic cylindrical block comicelles

20-Mar-2015 | Huibin Qiu; Zachary M. Hudson; Mitchell A. Winnik; Ian Manners, Science , 2015

Self-assembly of molecular and block copolymer amphiphiles represents a well-established route to micelles with a wide variety of shapes and gel-like phases. We demonstrate an analogous process, but on a longer length scale, in which amphiphilic P-H-P and H-P-H cylindrical triblock comicelles ...

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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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Highly Efficient Forward Osmosis Based on Porous Membranes—Applications and Implications

19-Mar-2015 | Saren Qi; Ye Li; Yang Zhao; Weiyi Li; Chuyang Y. Tang, Environmental Science & Technology, 2015

For the first time, forward osmosis (FO) was performed using a porous membrane with an ultrafiltration (UF)-like rejection layer and its feasibility for high performance FO filtration was demonstrated. Compared to traditional FO membranes with dense rejection layers, the UF-like FO membrane was 2 ...

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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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