A bio-inspired sensor based on surfactant film and Pd nanoparticles

Zapp, Eduardo; Souza, Franciane Dutra de; Souza, Bruno S.; Nome, Faruk; Neves, Ademir; Vieira, Iolanda Cruz

doi:10.1039/c2an36264c

Cited by 15 publications

(9 citation statements)

References 33 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The long chain of aliphatic hydrocarbons present in the structure of this molecule interacts preferentially with the glassy carbon surface through van der Waals interactions, which facilitates the adsorption of the 10PyI molecule onto this surface. This behavior can be compared to films of surfactants (in reverse micelles systems) on carbon electrodes 15, 55, 56.…”

Section: Resultsmentioning

confidence: 99%

Ionic Organic Film Sensor for Determination of Phenolic Compounds

et al. 2014

View full text Add to dashboard Cite

This paper describes the development of a new sensor based on an ionic organic film. The amphiphilic molecule, 4‐[(4‐decyloxyphenyl)‐ethynyl]‐1‐methylpyridinium iodide (10PyI), which has liquid‐crystalline properties, was synthesized and applied in the construction of a GCE/10PyI sensor. Analytical parameters for caffeic acid, repeatability (4.8 %), reproducibility (2.8 %), linearity (two ranges: 9.9×10−7 to 3.8×10−5 mol L−1 and 4.7×10−5 to 9.9×10−5 mol L−1) and detection limits (9.0×10−7 mol L−1 and 8.7×10−6 mol L−1), were determined. The method was successfully applied in the determination of total phenolic compounds (TPC) in mate herb extracts.

show abstract

Section: Resultsmentioning

confidence: 99%

Ionic Organic Film Sensor for Determination of Phenolic Compounds

et al. 2014

View full text Add to dashboard Cite

show abstract

“…Palladium and gold nanoparticles prepared by RMs method and stabilized by using the same surfactant were used in development of electrochemical sensors for hydroquinone and catechol determination [166,167]. Zapp et al have reported the modification of a glassy carbon electrode with a bio-complex based on palladium nanoparticles stabilized with zwitterionic surfactant for simultaneous electrochemical determination of catechol and hydroquinone in cigarrete residue samples [166].…”

Section: Nanomaterials Synthesis Using Rms For Development Of Nanosenmentioning

confidence: 99%

Versatility of Reverse Micelles: From Biomimetic Model to Nano(Bio)Sensors Design

Arsene¹,

Gurban²,

Jecu³

et al. 2018

Preprint

View full text Add to dashboard Cite

This paper presents an overview of the principal structural and dynamics characteristics of reverse micelles (RMs) in order to highlight their structural flexibility and versatility, along with the possibility to modulate their parameters in a controlled-manner. The multifunctionality in a large range of different scientific fields is exemplified in two distinct directions: a theoretical model for mimicry of biological microenvironment and practical application in the field of nanotechnology and nano-based sensors. RMs represents a convenient experimental approach that limits the drawbacks of the conventionally biological studies in vitro, while the particular structure confers them the status of simplified mimics of cells by reproducing a complex supramolecular organization in an artificial system. The biological relevance of RMs is discussed in some particular cases referring to the confinement and crowding environment, molecular dynamics of water and cell membrane structure. The use of RMs in different range of applications seems to be more promising due to their structural and compositional flexibility, a high efficiency and selectivity being achieved. The advance in nanotechnology is based on developing new methods of nanomaterials synthesis and deposition. This review highlighting the advantages of using RMs in synthesis of nanoparticles with specific properties and in nano (bio)sensors design.

show abstract

“…Neste contexto, nos últimos anos tem-se observado o desenvolvimento de eletrodos bioinspirados, 33 monocamadas autorganizadas, 34 microfluídica, 35 e point-of-care test (POCT). 36 O emprego de nanopartículas magnéticas para pré-concentrar o analito de amostras complexas e o emprego da eletroanalítica em papel são alguns exemplos.…”

Section: Eletroanalíticaunclassified

Panorama Da Eletroquímica E Eletroanalítica No Brasil

Zanoni¹,

Borges²,

Benedetti³

et al. 2017

Quim. Nova

View full text Add to dashboard Cite

OVERVIEW OF THE ELECTROCHEMISTRY AND ELECTROANALYTICAL CHEMISTRY IN BRAZIL. Electrochemistry and Electroanalytical chemistry play an important role to face the challenges of the contemporary world. They have contributed to the advance of the scientific development of our country, helped to promote economic and social progress as well as cultural dissemination. These areas have greatly contributed to the knowledge about thermodynamics and kinetics of the electron transfer reactions, energy conversion, synthesis and modification of compounds, corrosion, and development of fast, sensitive, and selective analytical methods. This work presents an overview of the areas by analyzing the technical and scientific papers produced in Brazil on these subjects, and the analysis of the Brazilian scientific societies that were formed and consolidated, which have contributed to spread the scientific knowledge. The improvement of these areas can be attributed to the good quality of the human resources formed during long time as well as the growing of distribution of research groups in different regions of the country. The success/ future of these areas are associated with good academic/scientific education, low cost of instrumentation, formation of networks of excellence between researchers, and large cooperation projects that improved with the sharing of ideas, technologies, infrastructure, and equipment. All of which has contributed to strengthening consolidated and emerging graduation programs.Keywords: Trends in Electrochemistry; Electroanalytical chemistry assessment; research in Electrochemistry and Electroanalysis. INTRODUÇÃOA Eletroquímica se caracteriza pela natureza universal e multidisciplinar e desempenha papel importante no desenvolvimento da ciência, com reflexos no crescimento econômico e melhoramento da qualidade de vida. Pode ser definida de modo mais abrangente como o ramo da Química que lida com reações químicas que envolvem corrente elétrica e potencial. Algumas reações químicas que ocorrem espontaneamente podem gerar corrente elétrica, que pode ser usada para fazer trabalho útil; enquanto outras reações químicas podem ser forçadas a prosseguir usando corrente elétrica.A história da Eletroquímica começa no século XVIII quando Luigi Galvani (1737-1798) estabeleceu uma ponte entre contração muscular e eletricidade, e Alessandro Volta (1745-1827) anunciou a invenção da pilha (ou célula) voltaica, a primeira bateria elétrica moderna.Enquanto seus antecessores, incluindo Benjamin Franklin (1706-1790), contribuíram para o entendimento da eletricidade estática, a pilha voltaica produzia corrente contínua e assim abriu duas novas áreas de estudo: a produção química de eletricidade e os efeitos da eletricidade sobre os compostos químicos. As descobertas de Michael Faraday (1791-1867) que resultaram nas duas leis fundamentais da Eletroquímica, publicadas em 1834, predizem quanto produto resulta ao passar uma certa quantidade de carga através de um composto químico ou de sua solução, processo que ele chamou de "eletróli...

show abstract

A bio-inspired sensor based on surfactant film and Pd nanoparticles

Cited by 15 publications

References 33 publications

Ionic Organic Film Sensor for Determination of Phenolic Compounds

Ionic Organic Film Sensor for Determination of Phenolic Compounds

Versatility of Reverse Micelles: From Biomimetic Model to Nano(Bio)Sensors Design

Panorama Da Eletroquímica E Eletroanalítica No Brasil

Contact Info

Product

Resources

About