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Thermal activation of catalytic microjets in blood samples using microfluidic chips

18-09-2013 | Lluis Soler; Cynthia S Martinez-Cisneros; Anka Swiersy; Samuel Sanchez; Oliver G. Schmidt, Lab on a Chip, 2013

We demonstrate that catalytic microjet engines can out-swim high complex media composed by red blood cells and serum. Despite the challenge presented by the high viscosity of the solution at room temperature, the catalytic microjets can be activated at physiological temperature and, consequently, ...


Revisit of a dipropargyl rhodamine probe reveals its alternative ion sensibility in both a solution and live cells

17-09-2013 | Kaibin Li; Xiao-Li Wei; Yi Zang; Xiao-Peng He; Guo-Rong Chen; J. Li; Kaixian Chen, Analyst, 2013

This study reveals that a dipropargyl rhodamine B derivative previously described as a reaction-based irreversible palladium probe responds, however, more sensitively to mercury with a reversible “turn-on” fluorescence. The probe also shows a much better imaging ability for mercury than for ...


The Effects of a Pickling Process on the Reduction of Escherichia coli O157:H7, Listeria monocytogenes, Salmonella spp. and Staphylococcus aureus Inoculated onto Hard‐Cooked Eggs

13-09-2013 | Joshua A. Scheinberg, Wladir B. Valderrama, Catherine N. Cutter, Journal of Food Safety, 2013

Abstract Traditional methods of food preservation, such as pickling, have reemerged as popular approaches for home and commercial food processing. The process of pickling hard‐cooked eggs (HCE) can be an effective method of preventing the growth and survival of pathogenic microorganisms. ...


Sensors, Vol. 13, Pages 12392-12405: A Dry Membrane Protection Technique to Allow Surface Acoustic Wave Biosensor Measurements of Biological Model Membrane Approaches

13-09-2013 | Reder-Christ, Katrin ; Schmitz, Patrick ; Bota, Marian ; Gerber, Ursula ; Falkenstein-Paul, Hildegard ; Fuss, Christ ..., Sensors, 2013

Model membrane approaches have attracted much attention in biomedical sciences to investigate and simulate biological processes. The application of model membrane systems for biosensor measurements is partly restricted by the fact that the integrity of membranes critically depends on the ...


Energies, Vol. 6, Pages 4830-4840: Electrostatic Self-Assembly of Fe3O4 Nanoparticles on Graphene Oxides for High Capacity Lithium-Ion Battery Anodes

12-09-2013 | Yoon, Taegyune ; Kim, Jaegyeong ; Kim, Jinku ; Lee, Jung Kyoo, Energies, 2013

Magnetite, Fe3O4, is a promising anode material for lithium ion batteries due to its high theoretical capacity (924 mA h g−1), high density, low cost and low toxicity. However, its application as high capacity anodes is still hampered by poor cycling performance. To stabilize the cycling ...


Botryticidal Activity of Nanosized Silver‐Chitosan Composite and Its Application for the Control of Gray Mold in Strawberry

11-09-2013 | Shaaban H. Moussa, Ahmed A. Tayel, Abdullah S. Alsohim, Reda R. Abdallah, Journal of Food Science, 2013

Abstract Botrytis cinerea Pers, the gray mold fungus, is among the most dangerous plant pathogens that cause great losses in agricultural crops. The botryticidal activities of nanosized silver (nano Ag), fungal chitosan (CTS) irradiated fungal chitosan (IrCTS), and nano Ag‐IrCTS composite were ...


Plum Coatings of Lemongrass Oil‐incorporating Carnauba Wax‐based Nanoemulsion

11-09-2013 | In‐Hah Kim, Hanna Lee, Jung Eun Kim, Kyung Bin Song, Youn Suk Lee, Dae Sung Chung, Sea C. Min, Journal of Food Science, 2013

Abstract Nanoemulsions containing lemongrass oil (LO) were developed for coating plums and the effects of the nanoemulsion coatings on the microbial safety and physicochemical storage qualities of plums during storage at 4 and 25 °C were investigated. The emulsions used for coating were ...


Spray‐Dried Structured Lipid Containing Long‐Chain Polyunsaturated Fatty Acids for Use in Infant Formulas

11-09-2013 | Supakana Nagachinta, Casimir C. Akoh, Journal of Food Science, 2013

Abstract Human milk fat (HMF) analogs are structured lipids (SLs) modified to have palmitic acid content at the sn‐2 position of the triacylglycerol (TAG) and fatty acid composition comparable to HMF. Some of these SLs are also designed to incorporate long‐chain polyunsaturated fatty acids ...


Sensors, Vol. 13, Pages 12149-12165: A Self-Sensing Active Magnetic Bearing Based on a Direct Current Measurement Approach

11-09-2013 | Niemann, Andries C.; van Schoor, George ; du Rand, Carel P., Sensors, 2013

Active magnetic bearings (AMBs) have become a key technology in various industrial applications. Self-sensing AMBs provide an integrated sensorless solution for position estimation, consolidating the sensing and actuating functions into a single electromagnetic transducer. The approach aims to ...


Automated Spectrophotometric Analyzer for Rapid Single-Point Titration of Seawater Total Alkalinity

11-09-2013 | Quanlong Li; Fengzhen Wang; Zhaohui Aleck Wang; Dongxing Yuan; Minhan Dai; Jinshun Chen; Junwei Dai; Katherine A. Ho ..., Environmental Science & Technology, 2013

An automated analyzer was developed to achieve fast, precise, and accurate measurements of seawater total alkalinity (AT) based on single-point titration and spectrophotometric pH detection. The single-point titration was carried out in a circulating loop, which allowed the titrant (hydrochloric ...


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