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Materials science and the sensor revolution / Robert Byrne in Materials today, Vol. 13 N° 7-8 (Juillet/Août 2010)  

Public ISBD [article]  inMaterials today > Vol. 13 N° 7-8 (Juillet/Août 2010) . - pp. 16–23 Titre : Materials science and the sensor revolution Type de document : texte imprimé Auteurs : Robert Byrne, Auteur ; Fernando Benito-Lopez, Auteur ; Dermot Diamond, Auteur Année de publication : 2011 Article en page(s) : pp. 16–23 Note générale : Ingénierie Langues : Anglais (eng) Mots-clés : Materials science Chemical sensing platforms for Magnetic control Index. décimale : 620 Essais des matériaux. Matériaux commerciaux. Station génératrice d'énergie. Economie de l'énergie Résumé : For the past decade, we have been investigating strategies to develop ways to provide chemical sensing platforms capable of long-term deployment in remote locations [1], [2] and [3]. This key objective has been driven by the emergence of ubiquitous digital communications and the associated potential for widely deployed wireless sensor networks (WSNs). Understandably, in these early days of WSNs, deployments have been based on very reliable sensors, such as thermistors, accelerometers, flow meters, photodetectors, and digital cameras. Biosensors and chemical sensors (bio/chemo-sensors) are largely missing from this rapidly developing field, despite the obvious value offered by an ability to measure molecular targets at multiple locations in real-time. Interestingly, while this paper is focused on the issues with respect to wide area sensing of the environment, the core challenge is essentially the same for long-term implantable bio/chemo-sensors4, i.e.; how to maintain the integrity of the analytical method at a remote, inaccessible location? DEWEY : 620 ISSN : 1369-7021 En ligne : http://www.sciencedirect.com/science/article/pii/S1369702110701243 [article] Materials science and the sensor revolution [texte imprimé] / Robert Byrne, Auteur ; Fernando Benito-Lopez, Auteur ; Dermot Diamond, Auteur . - 2011 . - pp. 16–23. Ingénierie Langues : Anglais (eng) in Materials today > Vol. 13 N° 7-8 (Juillet/Août 2010) . - pp. 16–23 Mots-clés : Materials science Chemical sensing platforms for Magnetic control Index. décimale : 620 Essais des matériaux. Matériaux commerciaux. Station génératrice d'énergie. Economie de l'énergie Résumé : For the past decade, we have been investigating strategies to develop ways to provide chemical sensing platforms capable of long-term deployment in remote locations [1], [2] and [3]. This key objective has been driven by the emergence of ubiquitous digital communications and the associated potential for widely deployed wireless sensor networks (WSNs). Understandably, in these early days of WSNs, deployments have been based on very reliable sensors, such as thermistors, accelerometers, flow meters, photodetectors, and digital cameras. Biosensors and chemical sensors (bio/chemo-sensors) are largely missing from this rapidly developing field, despite the obvious value offered by an ability to measure molecular targets at multiple locations in real-time. Interestingly, while this paper is focused on the issues with respect to wide area sensing of the environment, the core challenge is essentially the same for long-term implantable bio/chemo-sensors4, i.e.; how to maintain the integrity of the analytical method at a remote, inaccessible location? DEWEY : 620 ISSN : 1369-7021 En ligne : http://www.sciencedirect.com/science/article/pii/S1369702110701243

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Immunosensing using nanoparticles / Alfredo de la Escosura-Muniz in Materials today, Vol. 13 N° 7-8 (Juillet/Août 2010)  

Public ISBD [article]  inMaterials today > Vol. 13 N° 7-8 (Juillet/Août 2010) . - pp. 24–34 Titre : Immunosensing using nanoparticles Type de document : texte imprimé Auteurs : Alfredo de la Escosura-Muniz, Auteur ; Claudio Parolo, Auteur ; Arben Merkoçi, Auteur Année de publication : 2011 Article en page(s) : pp. 24–34 Note générale : Ingénierie Langues : Anglais (eng) Mots-clés : Nanoparticles Nanomaterials Immunosensing Index. décimale : 620 Essais des matériaux. Matériaux commerciaux. Station génératrice d'énergie. Economie de l'énergie Résumé : Immunosensing technology is taking advantage of the lastest developments in materials science and inparticular from the nanomaterials field. Because of their unprecedented optical tunability as well as electrical and electrochemical qualities, we are seeing significant developments in the design of novel immunoassays; various conventional optical and electrical platforms which allow for future applications in several fields are being used. Properties of nanoparticles such as light absorption and dispersion are bringing interesting immunosensing alternatives. Nanoparticles are improving the sensitivity of existing techniques used for protein detection in immunoassays based on Surface Plasmon Resonance, Quartz Crystal Microbalance, Fluorescence spectroscopy etc. Electrochemical techniques are also taking advantage of electrical properties of nanoparticles. Redox properties of metal based nanoparticles, surface impedance change and conductance changes once nanoparticles are present as labelling tags or modifiers of transducer surfaces are also improving the technology. In most of the examples nanoparticle based biosensing systems are being offered as excellent screening and superior alternatives to existing conventional strategies/assays with interest for fields in clinical analysis, food quality, safety and security. DEWEY : 620 ISSN : 1369-7021 En ligne : http://www.sciencedirect.com/science/article/pii/S1369702110701255 [article] Immunosensing using nanoparticles [texte imprimé] / Alfredo de la Escosura-Muniz, Auteur ; Claudio Parolo, Auteur ; Arben Merkoçi, Auteur . - 2011 . - pp. 24–34. Ingénierie Langues : Anglais (eng) in Materials today > Vol. 13 N° 7-8 (Juillet/Août 2010) . - pp. 24–34 Mots-clés : Nanoparticles Nanomaterials Immunosensing Index. décimale : 620 Essais des matériaux. Matériaux commerciaux. Station génératrice d'énergie. Economie de l'énergie Résumé : Immunosensing technology is taking advantage of the lastest developments in materials science and inparticular from the nanomaterials field. Because of their unprecedented optical tunability as well as electrical and electrochemical qualities, we are seeing significant developments in the design of novel immunoassays; various conventional optical and electrical platforms which allow for future applications in several fields are being used. Properties of nanoparticles such as light absorption and dispersion are bringing interesting immunosensing alternatives. Nanoparticles are improving the sensitivity of existing techniques used for protein detection in immunoassays based on Surface Plasmon Resonance, Quartz Crystal Microbalance, Fluorescence spectroscopy etc. Electrochemical techniques are also taking advantage of electrical properties of nanoparticles. Redox properties of metal based nanoparticles, surface impedance change and conductance changes once nanoparticles are present as labelling tags or modifiers of transducer surfaces are also improving the technology. In most of the examples nanoparticle based biosensing systems are being offered as excellent screening and superior alternatives to existing conventional strategies/assays with interest for fields in clinical analysis, food quality, safety and security. DEWEY : 620 ISSN : 1369-7021 En ligne : http://www.sciencedirect.com/science/article/pii/S1369702110701255

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Metal oxide nanowires as chemical sensors / E. Comini in Materials today, Vol. 13 N° 7-8 (Juillet/Août 2010)  

Public ISBD [article]  inMaterials today > Vol. 13 N° 7-8 (Juillet/Août 2010) . - pp. 36–44 Titre : Metal oxide nanowires as chemical sensors Type de document : texte imprimé Auteurs : E. Comini, Auteur ; G. Sberveglieri, Auteur Année de publication : 2011 Article en page(s) : pp. 36–44 Note générale : Ingénierie Langues : Anglais (eng) Mots-clés : Chemical sensors Metal oxide Nanowires Index. décimale : 620 Essais des matériaux. Matériaux commerciaux. Station génératrice d'énergie. Economie de l'énergie Résumé : It is almost a decade since the first presentation of metal oxide nanowires as chemical sensors. Significant advances have been made both in terms of preparation procedures and their integration into functional sensing devices, whilst the progress in their fundamental understanding of functional properties has been slow. In fact, the full integration still remains a challenge that has been wisely approached in different ways. In this article we review the most recent developments in bottom up and top down approaches for applications of chemical sensors. DEWEY : 620 ISSN : 1369-7021 En ligne : http://www.sciencedirect.com/science/article/pii/S1369702110701267 [article] Metal oxide nanowires as chemical sensors [texte imprimé] / E. Comini, Auteur ; G. Sberveglieri, Auteur . - 2011 . - pp. 36–44. Ingénierie Langues : Anglais (eng) in Materials today > Vol. 13 N° 7-8 (Juillet/Août 2010) . - pp. 36–44 Mots-clés : Chemical sensors Metal oxide Nanowires Index. décimale : 620 Essais des matériaux. Matériaux commerciaux. Station génératrice d'énergie. Economie de l'énergie Résumé : It is almost a decade since the first presentation of metal oxide nanowires as chemical sensors. Significant advances have been made both in terms of preparation procedures and their integration into functional sensing devices, whilst the progress in their fundamental understanding of functional properties has been slow. In fact, the full integration still remains a challenge that has been wisely approached in different ways. In this article we review the most recent developments in bottom up and top down approaches for applications of chemical sensors. DEWEY : 620 ISSN : 1369-7021 En ligne : http://www.sciencedirect.com/science/article/pii/S1369702110701267

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Chemical sensitivity of porphyrin assemblies / Corrado Di Natale in Materials today, Vol. 13 N° 7-8 (Juillet/Août 2010)  

Public ISBD [article]  inMaterials today > Vol. 13 N° 7-8 (Juillet/Août 2010) . - pp. 46–52 Titre : Chemical sensitivity of porphyrin assemblies Type de document : texte imprimé Auteurs : Corrado Di Natale, Auteur ; Donato Monti, Auteur ; Roberto Paolesse, Auteur Année de publication : 2011 Article en page(s) : pp. 46–52 Note générale : ngénierie Langues : Anglais (eng) Mots-clés : Porphyrin assemblies Supramolecular porphyrin aggregates Chemical sensor Index. décimale : 620 Essais des matériaux. Matériaux commerciaux. Station génératrice d'énergie. Economie de l'énergie Résumé : Porphyrins show unique binding properties that are widely exploited in nature to accomplish essential functions for life; the potential mimic of these functions with synthetic counterparts has provided the basis of many kinds of chemical sensors. This peculiar behaviour can be further enriched when porphyrins do not act as single players, but when they are included in a team, the porphyrin aggregates. Recent investigations point out that the supramolecular frameworks could allow interaction pathways not possible to the individual constituents. In this paper some recent results on supramolecular porphyrin aggregates exploited for chemical sensor development are illustrated and discussed. DEWEY : 620 ISSN : 1369-7021 En ligne : http://www.sciencedirect.com/science/article/pii/S1369702110701279 [article] Chemical sensitivity of porphyrin assemblies [texte imprimé] / Corrado Di Natale, Auteur ; Donato Monti, Auteur ; Roberto Paolesse, Auteur . - 2011 . - pp. 46–52. ngénierie Langues : Anglais (eng) in Materials today > Vol. 13 N° 7-8 (Juillet/Août 2010) . - pp. 46–52 Mots-clés : Porphyrin assemblies Supramolecular porphyrin aggregates Chemical sensor Index. décimale : 620 Essais des matériaux. Matériaux commerciaux. Station génératrice d'énergie. Economie de l'énergie Résumé : Porphyrins show unique binding properties that are widely exploited in nature to accomplish essential functions for life; the potential mimic of these functions with synthetic counterparts has provided the basis of many kinds of chemical sensors. This peculiar behaviour can be further enriched when porphyrins do not act as single players, but when they are included in a team, the porphyrin aggregates. Recent investigations point out that the supramolecular frameworks could allow interaction pathways not possible to the individual constituents. In this paper some recent results on supramolecular porphyrin aggregates exploited for chemical sensor development are illustrated and discussed. DEWEY : 620 ISSN : 1369-7021 En ligne : http://www.sciencedirect.com/science/article/pii/S1369702110701279

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Shape memory materials / W.M. Huang in Materials today, Vol. 13 N° 7-8 (Juillet/Août 2010)  

Public ISBD [article]  inMaterials today > Vol. 13 N° 7-8 (Juillet/Août 2010) . - pp. 54–61 Titre : Shape memory materials Type de document : texte imprimé Auteurs : W.M. Huang, Auteur ; Z. Ding, Auteur ; C.C. Wang, Auteur Année de publication : 2011 Article en page(s) : pp. 54–61 Note générale : Ingénierie Langues : Anglais (eng) Mots-clés : Materials Alloys Polymers Composites Hybrids Index. décimale : 620 Essais des matériaux. Matériaux commerciaux. Station génératrice d'énergie. Economie de l'énergie Résumé : After being severely and quasi-plastically distorted, shape memory materials (SMMs) are able to recover their original shape at the presence of the right stimulus. In recent years we have seen significant progress from shape memory alloys (SMAs) to shape memory polymers (SMPs). In this paper, we summarize the most recent advances in SMMs. The focus is on the new features found in traditional SMMs, namely SMAs and SMPs, and a newly emerging type of SMM, namely shape memory hybrid (SMH), which enables enthusiasts to design SMMs with tailored properties/features for a particular application without the aid of experts (“do-it-yourself” manner). DEWEY : 620 ISSN : 1369-7021 En ligne : http://www.sciencedirect.com/science/article/pii/S1369702110701280 [article] Shape memory materials [texte imprimé] / W.M. Huang, Auteur ; Z. Ding, Auteur ; C.C. Wang, Auteur . - 2011 . - pp. 54–61. Ingénierie Langues : Anglais (eng) in Materials today > Vol. 13 N° 7-8 (Juillet/Août 2010) . - pp. 54–61 Mots-clés : Materials Alloys Polymers Composites Hybrids Index. décimale : 620 Essais des matériaux. Matériaux commerciaux. Station génératrice d'énergie. Economie de l'énergie Résumé : After being severely and quasi-plastically distorted, shape memory materials (SMMs) are able to recover their original shape at the presence of the right stimulus. In recent years we have seen significant progress from shape memory alloys (SMAs) to shape memory polymers (SMPs). In this paper, we summarize the most recent advances in SMMs. The focus is on the new features found in traditional SMMs, namely SMAs and SMPs, and a newly emerging type of SMM, namely shape memory hybrid (SMH), which enables enthusiasts to design SMMs with tailored properties/features for a particular application without the aid of experts (“do-it-yourself” manner). DEWEY : 620 ISSN : 1369-7021 En ligne : http://www.sciencedirect.com/science/article/pii/S1369702110701280

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