19.06.2013 | Sarah Louise Perry; Sudipto Guha; Ashtamurthy Pawate; Amrit Bhaskarla; Vinayak Agarwal; Satish Nair; Paul Kenis, Lab on a Chip, 2013

We report a microfluidic approach for de novo protein structure determination via crystallization screening and optimization, as well as on-chip X-ray diffraction data collection. The structure of phosphonoacetate hydrolase (PhnA) has been solved to 2.11Å via on-chip collection of anomalous ...

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13.06.2013 | Matese, Alessandro ; Vaccari, Francesco Primo; Tomasi, Diego ; Di Gennaro, Salvatore Filippo; Primicerio, Jacopo ; S ..., Sensors, 2013

A new wireless sensor network (WSN), called CrossVit, and based on MEMSIC products, has been tested for two growing seasons in two vineyards in Italy. The aims are to evaluate the monitoring performances of the new WSN directly in the vineyard and collect air temperature, air humidity and ...

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12.06.2013 | Xinsheng Fang, Yingzi Wang, Jianhua Wang, Jin Zhang, Xin Wang, Journal of Separation Science, 2013

An optimized microwave‐assisted extraction method and RP‐HPLC method were developed for the simultaneous extraction and determination of rutin, forsythiaside A and phillyrin in the fruits of Forsythia suspensa. The key parameters of the open‐vessel microwave‐assisted extraction process were ...

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03.06.2013 | Zanon, Mattia ; Sparacino, Giovanni ; Facchinetti, Andrea ; Talary, Mark S.; Mueller, Martin ; Caduff, Andreas ; Cob ..., Sensors, 2013

In diabetes research, non-invasive continuous glucose monitoring (NI-CGM) devices represent a new and appealing frontier. In the last years, some multi-sensor devices for NI-CGM have been proposed, which exploit several sensors measuring phenomena of different nature, not only for measuring ...

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31.05.2013 | Cano-García, Angel E.; Galilea, José Luis Lázaro; Fernández, Pedro ; Infante, Arturo Luis; Pompa-Chacón, Yamilet ; V ..., Sensors, 2013

Various models using radiometric approach have been proposed to solve the problem of estimating the distance between a camera and an infrared emitter diode (IRED). They depend directly on the radiant intensity of the emitter, set by the IRED bias current. As is known, this current presents a ...

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30.05.2013 | Xue‐Hua Zeng, Yue‐Hong Li, Shan‐Shan Wu, Rui‐Lin Hao, Hui Li, He Ni, Han‐Bing Han, Hai‐Hang Li, Phytochemical Analysis, 2013

ABSTRACT Introduction Camptothecin, a widely used natural anti‐cancer drug, is difficult to extract and purify effectively from plants. Objective To develop new and highly efficient extraction and purification methods for analysis and production of camptothecin from leaves and ...

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30.05.2013 | Chun‐feng Qiao, Xiao‐mei Liu, Xiu‐ming Cui, De‐jun Hu, Yi‐wen Chen, Jing Zhao, Shao‐ping Li, Journal of Separation Science, 2013

A high performance anion‐exchange chromatography coupled with diode array detection method was developed for the determination of dencichine in Panax notoginseng and related species. The analysis was performed on an Eprogen Synchropak WAX column (4.6 mm × 250 mm, 6 μm) with 50 mM NaH2PO4 ...

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29.05.2013 | Terrance Dayakantha Hettipathirana, Journal of Analytical Atomic Spectrometry, 2013

The determination of B in high-temperature alloy steel using microwave plasma – atomic emission spectrometry (MP-AES) is presented. This instrumental emission technique was developed recently using 2.45 GHz microwaves to generate atmospheric pressure N2-plasma, self-sustained inside a ...

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29.05.2013 | Sakaue, Hirotaka ; Hayashi, Tatsunori ; Ishikawa, Hitoshi, Sensors, 2013

A polymer-ceramic pressure-sensitive paint (PC-PSP) is a fast responding and sprayable PSP which has been applied for capturing global unsteady flows. The luminophore application process is studied to enhance the characterization of the PC-PSP. A dipping deposition method is used to apply a ...

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29.05.2013 | Gibson, Desmond ; MacGregor, Calum, Sensors, 2013

This paper describes development of a novel mid-infrared light emitting diode (LED) and photodiode (PD) light source/detector combination and use within a non-dispersive infrared (NDIR) carbon dioxide gas sensor. The LED/PD based NDIR sensor provides fast stabilisation time (time required ...

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