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HOT articles in Analytical Methods

Take a look at our recent HOT Analytical Methods articles, these are now free to access for the next few weeks!


Screening and Structural Characterization of Potential a-Glucosidase Inhibitors from Radix Astragali Flavonoids Extract by Ultrafiltration LC-DAD-ESI-MSn

Wenyue Jiang, Hong Kan, Pengdong Li, Shu Liu and Zhongying Liu
Anal. Methods, 2015, Advance Article
DOI: 10.1039/C4AY02081B
Graphical Abstract
Surface Plasmon Resonance Imaging (SPRi) for Multiplexed Evaluation of Bacterial Adhesion onto Surface Coatings

Pegah N. Abadian and Edgar D. Goluch
Anal. Methods, 2015, Advance Article
DOI: 10.1039/C4AY02094D

A rapid DNA lateral flow test for the detection of transgenic maize by isothermal amplification of the 35S promoter

Claudia Kolm, Robert L. Mach, Rudolf Krska and Kurt Brunner
Anal. Methods, 2015, Advance Article
DOI: 10.1039/C4AY01997K

Double carboxyl silicane modified graphene oxide coated silica composite as sorbent for solid-phase extraction of quarternary alkaloids

Houmei Liu, Yong Guo, Xusheng Wang, Yikun Li, Xiaojing Liang and Xia Liu
Anal. Methods, 2015, Advance Article
DOI: 10.1039/C4AY02172J

Proteomic identification of organic additives in the mortars of ancient Chinese wooden buildings

Huiyun Rao, Bo Li, Yimin Yang, Qinglin Ma and Changsui Wang
Anal. Methods, 2015, Advance Article
DOI: 10.1039/C4AY01766H

Chromatographic characteristics of water-soluble vitamins with irradiation processing and its application

Ying Li, Changyin Lv, Qiang Sun, Ying Zhao and Yunjing Li
Anal. Methods, 2015, Advance Article
DOI: 10.1039/C4AY01312C
Graphical Abstract
A new colorimetric protocol for selective detection of phosphate based on the inhibition of peroxidase-like activity of magnetite nanoparticles

Chuanxia Chen, Lixia Lu, Yu Zheng, Dan Zhao, Fan Yang and Xiurong Yang
Anal. Methods, 2015, Advance Article
DOI: 10.1039/C4AY02461C

Sequential Detection of Fe3+ and As3+ Ions by Naked Eye through Aggregation and Dis-Aggregation of Biogenic Gold Nanoparticles

Somasundaram Kaviya and Edamana Prasad
Anal. Methods, 2015, Advance Article
DOI: 10.1039/C4AY02342K

Synthesis and evaluation of a silica-bonded concanavalin A material for lectin affinity enrichment of N-linked glycoproteins and glycopeptides

Yujie Liu, Dongmei Fu, Yuansheng Xiao, Zhimou Guo, Long Yu and Xinmiao Liang
Anal. Methods, 2015, Advance Article
DOI: 10.1039/C4AY02286F

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HOT articles in Analytical Methods

Take a look at our recent HOT Analytical Methods articles, these are now free to access for the next few weeks!

Historical textile dyeing with Genista tinctoria L.: a comprehensive study by UPLC-MS/MS analysis
Lore G. Troalen,Ashley S. Phillips, David A. Peggie, Perdita E. Barranac and Alison N. Hulme
Anal. Methods, 2014, 6, 8915-8923
DOI: 10.1039/C4AY01509F

Separation of Carbon Quantum Dots on a C18 Column by a binary gradient elution via HPLC
Yan Lu,Jun Wang,Hongyan Yuanb and Dan Xiao
Anal. Methods, 2014, 6, 8124-8128
DOI: 10.1039/C4AY01052C

Graphical Abstract

Simultaneous Colorimetric Detection of Improvised Explosive Compounds using Microfluidic Paper-Based Analytical Devices
Kelley L. Peters,Inge Corbin,Lindsay M. Kaufman,Kyle Zreibe,Lucas Blanesb and Bruce R. McCord
Anal. Methods, 2014, Advance Article
DOI: 10.1039/C4AY01677G

Microfluidic Devices for Label-Free and Non-Instrumented Quantitation of Unamplified Nucleic Acids by Flow Distance Measurement
Debolina Chatterjee, Danielle S. Mansfielda and Adam T. Woolley
Anal. Methods, 2014, 6, 8173-8179
DOI: 10.1039/C4AY01845A

The development of an autonomous sensing platform for the monitoring of ammonia in water using a simplified Berthelot method
Deirdre Cogan,John Cleary,Cormac Fay,Aoife Rickard,Kamil Jankowski,Thomas Phelan, Mark Bowkettb and Dermot Diamonda
Anal. Methods, 2014, 6, 7606-7614
DOI: 10.1039/C4AY01359J

Fatty acid profile reveals toxic response in adipose tissue of C57BL/6J mice exposed to 2,3,7,8-tetrachlorodibenzo-p-dioxin
Chuanqin Hu,Shuhai Lina and Zongwei Cai
Anal. Methods, 2014, 6, 8207-8211
DOI: 10.1039/C4AY01479K

Graphical Abstract

Direct determination of niobium at the low nanogram level in mineral waters and freshwaters
Montserrat Filella,David-Julien Magnenatb and Michaël Bensimonb
Anal. Methods, 2014, 6, 8090-8093
DOI: 10.1039/C4AY01860E

Paper-based electrochemical immunoassay for rapid, inexpensive cancer biomarker protein detection
C.K.Tang, A.Vazea and J.F.Rusling
Anal. Methods, 2014, 6, 8878-8881
DOI: 10.1039/C4AY01962H

Radioisotope-based XRF instrumentation for determination of lead in paint: an assessment of the current accuracy and reliability of portable analyzers used in New York State
Diana Guimarães,Tracie M. Cleaver,Steven F. Martin and Patrick J. Parsons
Anal. Methods, 2014, Advance Article
DOI: 10.1039/C4AY00819G

Development of combined salt and air assisted liquid-liquid microextraction as a novel sample preparation technique
Rouhollah Heydari and Sanaz Zarabi
Anal. Methods, 2014, 6, 8469-8475
DOI: 10.1039/C4AY01723D

Separation of Asparagine, Valine and Tetraethylammonium ions Overlapping in an Ion Mobility Spectrometer by clustering with Methanol introduced as a Modifier in the Buffer Gas
R. Fernandez-Maestre,C. Wu and H. H. Hill, Jr
Anal. Methods, 2014, Advance Article
DOI: 10.1039/C4AY01814A

Graphical Abstract

Development of a sensitive and specific enzyme-linked immunosorbent assay for the determination of fludioxonil residues in fruit juices
Josep V. Mercader,Antonio Abad-Fuentes, Consuelo Agulló, Antonio Abad-Somovill and   Francesc A. Esteve-Turrillas
Anal. Methods, 2014, 6, 8924-8929
DOI: 10.1039/C4AY01756K

Induction of formation and conformational conversion of DNA G-quadruplex by fangchinoline
Wei Tan, Han Chen, Jiang Zhou, Ming Xub and Gu Yuan
Anal. Methods, 2014, 6, 8476-8481
DOI: 10.1039/C4AY01881H

Application of online microdialysis coupled with liquid chromatography–tandem mass spectrometry method in assessing neuroprotective effect of Coptidis Rhizoma on diabetic rats
Qianqian Wang, Jing Zhang, Zifeng Pi, Zhong Zheng, Junpeng Xing, Fengrui Song, Shu Liu and   Zhiqiang Liu
Anal. Methods
, 2014, Advance Article
DOI: 10.1039/C4AY01809E

Highly Sensitive and Portable Mercury (II) Ions Sensor by Using Personal Glucose Meter
Xu Xue-tao, Liang Kai-yi and Zeng Jia-ying
Anal. Methods, 2014, Advance Article
DOI: 10.1039/C4AY01502A

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Conference report: The 4th Workshop on Microfluidics

Posted on behalf of Angelo Luiz Gobbi, conference organiser of the 4th Workshop on Microfluidics

The 4th Workshop on Microfluidics was held at the National Center for Research on Energy and Materials (CNPEM) in Campinas, Sao Paulo (Brazil) from July 24-25, 2014. Since 2011, the workshop has brought together young students, researchers, and companies from different states of Brazil to discuss topics related to the fundamentals, fabrication technologies, innovations, and applications in microfluidic science. This field has been spread out around different regions of the Brazil with great contributions for fabrication technologies as well as innovative developments and diverse applications.

For the second time, the event was supported by The Royal Society of Chemistry. Representing the scientific board of the IV Workshop on Microfluidics, Prof. Dr. José Alberto Fracassi da Silva presented the awards to the two best posters which were granted by Royal Society of Chemistry.

Furthermore, the Analytical Methods Award” was considered for the innovative and original work on Analytical Science. The winner was Mr. Paulo de Tarso Garcia from University of Goias. Mr. Garcia is a Ph.D. candidate under supervision of Dr. Wendell K. T. Coltro and he was also awarded with a book entitled: “The Cosmic-Chemical Bond ”. The work presented by Mr. Paulo describes the preparation and application of paper-based microfluidic devices for clinical assays. Metallic stamp was used to delimit the microfluidic regions. The device was applied for quantification of nitrite, bovine serum albumin, glucose, and urea.

The Lab on a Chip Award”, in turn, was considered for the most innovative work in the field of microfluidics. It was given to Ms. Debora Freitas do Nascimento, a Ph.D. candidate at Federal University of Rio de Janeiro, under supervision of Prof. Dr. Maria de Fátima Vieira Marques. Ms. Nascimento was also prized with a Tablet. The developed work relies on the use of a microfluidic system to assemble monodisperse droplets containing poly(ethylene glycol), chitosan, and alginate with isoniazid as encapsulant.

Sincerely yours,

Angelo Luiz Gobbi

Microfabrication Laboratory – LNNano

Mr. Paulo de Tarso Garcia from University of Goias receiving the Analytical Methods prize

Ms. Debora Freitas do Nascimento from Federal University of Rio de Janeiro receiving the Lab on a Chip prize

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Top ten most accessed Analytical Methods articles from April to June 2014

During the months April – June 2014, the most downloaded Analytical Methods articles were:

Principal component analysis
Rasmus Bro and Age K. Smilde
Anal. Methods, 2014, 6, 2812-2831
DOI: 10.1039/C3AY41907J

Fluorescence spectroscopy and multi-way techniques. PARAFAC
Kathleen R. Murphy, Colin A. Stedmon, Daniel Graeber and Rasmus Bro
Anal. Methods, 2013, 5, 6557-6566 
DOI: 10.1039/C3AY41160E

Fluorescence turn-off detection of hydrogen peroxide and glucose directly using carbon nanodots as probes
Jianfei Wei, Li Qiang, Jun Ren, Xiangling Ren, Fangqiong Tang and Xianwei Meng
Anal. Methods, 2014, 6, 1922-1927
DOI: 10.1039/C3AY41837E

Nanoparticles: a global vision. Characterization, separation, and quantification methods. Potential environmental and health impact
Ana López-Serrano, Riansares Muñoz Olivas, Jon Sanz Landaluze and Carmen Cámara
Anal. Methods, 2014, 6, 38-56 
DOI: 10.1039/C3AY40517F

Let there be chip—towards rapid prototyping of microfluidic devices: one-step manufacturing processes
Ansgar Waldbaur, Holger Rapp, Kerstin Länge and Bastian E. Rapp
Anal. Methods, 2011, 3, 2681-2716
DOI: 10.1039/C1AY05253E

Photocatalytic reduction of CO2: a brief review on product analysis and systematic methods
Jindui Hong, Wei Zhang, Jia Ren and Rong Xu
Anal. Methods, 2013, 5, 1086-1097
DOI: 10.1039/C2AY26270C
 

The Folin–Ciocalteu assay revisited: improvement of its specificity for total phenolic content determination
Juan Carlos Sánchez-Rangel, Jorge Benavides, J. Basilio Heredia, Luis Cisneros-Zevallos and Daniel A. Jacobo-Velázquez
Anal. Methods, 2013, 5, 5990-5999
DOI: 10.1039/C3AY41125G

Rhodamine and BODIPY chemodosimeters and chemosensors for the detection of Hg2+, based on fluorescence enhancement effects
M. J. Culzoni, A. Muñoz de la Peña, A. Machuca, H. C. Goicoechea and R. Babiano
Anal. Methods, 2013, 5, 30-49
DOI: 10.1039/C2AY25769F

Quantification of a-polylysine: a comparison of four UV/Vis spectrophotometric methods
Andrea Grotzky, Yuichi Manaka, Sara Fornera, Martin Willeke and Peter Walde
Anal. Methods, 2010, 2, 1448-1455
DOI: 10.1039/C0AY00116C
 

OpenFluor– an online spectral library of auto-fluorescence by organic compounds in the environment
Kathleen R. Murphy, Colin A. Stedmon, Philip Wenig and Rasmus Bro
Anal. Methods, 2014, 6, 658-661
DOI: 10.1039/C3AY41935E

Interesting read? Please share your thoughts below!

And remember, you can submit direct to Analytical Methods here

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Analytical Methods Impact Factor highest ever: 1.94!

Analytical Methods, 2014, Issue 1We are delighted to announce our highest Impact Factor* yet with 1.94!

Analytical Methods has continued its impressive growth. The journal maintains its position as a place to publish exciting research on early applied demonstrations of new analytical methods with clear societal impact.

Submissions focus on the advancement of analytical technologies for wider application by the international scientific community. Areas covered include developments within the fields of healthcare, pharmaceuticals and biomedical diagnostics, environmental and forensic analysis, heritage science, agricultural science and food products, industrial process development and product validation.

The Editorial office thanks all of our Board members, authors, readers and reviewers for their continued support.

We invite you to submit your latest piece of high impact work with us here.

Click through to see how the other Royal Society of Chemistry journals did.

*The Impact Factor provides an indication of the average number of citations per paper. Produced annually, Impact Factors are calculated by dividing the number of citations in a year by the number of citeable articles published in the preceding two years. Data based on 2013 Journal Citation Reports®, (Thomson Reuters, 2014).

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Close encounters of the fatty acid kind

A new strategy for analysing fatty acids could one day play a role in determining whether or not life exists on other worlds.

It’s an exciting time in our search for life beyond Earth. New exoplanets are discovered almost daily by the Kepler space observatory. The Cassini mission to Saturn and the Mars Exploration Rovers have transformed our understanding of the solar system. Finding at least simple microscopic life seems only a matter of time and clues to recognise extraterrestrial microorganisms may come by identifying fatty acids from their cell membranes.

Labelling the fatty acids with a fluorescent dye allows them to be detected via laser induced fluorescence

Peter Willis and a team of researchers at NASA’s Jet Propulsion Laboratory (JPL) in California, US, have developed a microchip analyser that distinguishes a broad range of fatty acids by the length of their carbon chains. Willis says that this is an important advance because ‘different microorganisms have cell membranes with different carbon chain length signatures.’ Algal fatty acids, for example, tend to be around the C20/C22 mark whereas bacterial fatty acids are typically C16/C18 in length. ‘So by measuring these molecules in an unknown sample we can gain information about what organisms were present, even if the sample is very old and the organisms are no longer alive.’

Why not read the full article in Chemistry World now!

Microchip nonaqueous capillary electrophoresis of saturated fatty acids using a new fluorescent dye
M. L. Cable, A. M. Stockton, M. F. Mora, K. P. Hand and P. A. Willis
Anal. Methods, 2014, Advance Article
DOI: 10.1039/C4AY01243G

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The Emerging Technologies competition open for applications

The Royal Society of Chemistry launches the 2014 UK Emerging Technologies Competition

Applications are invited from university researchers and small companies working in the UK in applied research in the chemical, life and materials sciences for a chance to turn their research into commercial success. The prize consists of ongoing mentoring and support from high profile multinational companies, up to £10,000 cash prize and more. We are proud to announce the mentor companies Procter and Gamble, GlaxoSmithKline, Catalent Applied Drug Delivery Institute, Croda and more will be joining soon.

Emerging Technologies Competition 2014

The applicants can be individuals or teams and they must submit a brief online application to the Royal Society of Chemistry. The entries will be judged by an independent panel of science and business experts and the shortlisted applications will be invited for the second round of the competition. Each team will pitch to a specialist panel at a public event and up to 5 teams will be crowned as winners. But everyone is a winner! The finalists will be able to access one to one FREE advice from business and finance specialists. In addition this is an excellent opportunity to practice pitching ideas to high profile multinational companies and to meet and network with fellow entrepreneurs, investors and business leaders.

Key dates:
First round closes on 1 March 2014
Second round takes place on 25 June 2014,
Chemistry Centre, London

Visit www.rsc.li/emerging-technologies for full details.
UK applications only please

If you have any questions please contact Aurora Antemir antemira@rsc.org.

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Prizes and Awards nominations open

The Royal Society of Chemistry’s Prizes and Awards recognise achievements by individuals, teams and organisations in advancing the chemical sciences. There are over 80 Prizes and Awards available covering all areas of the chemical sciences, with prize money of up to £5000 to be won.

The main categories are:

shutterstock_93666160

Biosciences

Environment, Sustainability and Energy

Inorganic Chemistry (Dalton Division)

Materials Chemistry

Organic Chemistry

Physical Chemistry (Faraday Division)

Industry & Technology

In addition, we have a new award this year, the Industrial Analytical Science Award, to recognise and celebrate the great contribution of analytical science in industry.

To view the full list of Prizes and Awards and to make a nomination, visit www.rsc.org/awards

Nominations open until 15 January 2014

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Themed Issue on Molecular Analysis for Art, Archaeometry and Conservation now published

Courtesy of Shutterstock

The new joint web themed Issue of Analyst and Analytical Methods on Molecular Analysis for Art, Archaeometry and Conservation has now been published online!

Take a look at this great collection of papers illustrating the most innovative research aimed at preserving our rich cultural heritage.

The themed issue highlights a great number of analytical techniques employed to study art and cultural objects at a molecular level, characterising their structure, properties and chemistry.

Bertrand et al., Analyst, 2013, 138, 4463-4469

If you are interested in the study and preservation of art of the past and the present, discover the latest analytical breakthroughs described in our Web Collection.

“A deep connection to our past and shared cultural heritage must be preserved to foster a balanced society where all humanity can thrive”, from the Editorial of Francesca Casadio and Richard P. Van Duyne, Guest Editors of the Issue.

In addition, below are some articles of the issue that you might be interested to read. These papers will be free to read for the next 4 weeks. Enjoy!

Looking beneath Dalí’s paint: non-destructive canvas analysis
Marta Oriola, Alenka Možir, Paul Garside, Gema Campo, Anna Nualart-Torroja, Irene Civil, Marianne Odlyha, May Cassar and Matija Strlič
Anal. Methods, 2013, Advance Article
DOI: 10.1039/C3AY41094C

Caggiani et al., Anal. Methods, 2013, 5, 4345-4354

Alteration of Asian lacquer: in-depth insight using a physico-chemical multiscale approach
Anne-Solenn Le Hô, Chloé Duhamel, Céline Daher, Ludovic Bellot-Gurlet, Céline Paris, Martine Regert, Michel Sablier, Guilhem André, Jean-Paul Desroches and Paul Dumas
Analyst, 2013, 138, 5685-5696
DOI: 10.1039/C3AN00608E

Analysis of cadmium based pigments with time-resolved photo-luminescence
Anna Cesaratto, Cosimo D’Andrea, Austin Nevin, Gianluca Valentini, Francesco Tassone, Roberto Alberti, Tommaso Frizzi and Daniela Comelli
Anal. Methods, 2013, Accepted Manuscript
DOI: 10.1039/C3AY41585F

Quantifying degradation of collagen in ancient manuscripts: the case of the Dead Sea Temple
Scroll R. Schütz, L. Bertinetti, I. Rabin, P. Fratzl and A. Masic
Analyst, 2013,138, 5594-5599
DOI: 10.1039/C3AN00609C

Please click here to access the full web collection.

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Royal Society of Chemistry Roadshow in Brazil this November

We are pleased to announce The Royal Society of Chemistry Brazil Roadshow that will take place in three amazing Brazilian locations this November.

The roadshow consists of three one-day scientific symposia in Campinas, Porto Alegre and Belo Horizonte, featuring lectures by some of the world’s leading international scientists in analytical science and sustainable chemistry.

The roadshow is free to attend and will bring together academics, students and industrial scientists in a stimulating and friendly environment. Join us to find out more about our journals and wider activities! Click here to register.

4th November: University of Campinas (IQ-UNICAMP), Campinas, Brazil

6th November: The Federal University of Rio Grande do Sul (IQ-UFRGS), Porto Alegre, Brazil

8th November: The Federal University of Minas Gerais (DQ-UFMG), Belo Horizonte, Brazil

Among the outstanding scientists presenting at the roadshow:

Frank Vanhaecke (Chair of the JAAS Editorial Board)

Craig Banks (Analytical Methods Associate Editor)

James Clark (Green Chemistry Advisory Board member)

Boris Mizaikoff, (Analyst Associate Editor)

Janet Scott (Green Chemistry Advisory Board member)

The Royal Society of Chemistry is proud to support and publish high-impact research from all over the globe, and a large amount of our content is from authors in Brazil. Below are some examples of the high-quality content published in Green Chemistry, Analyst, Analytical Methods, RSC Advances and JAAS by your Brazilian colleagues, please take a look at the papers listed below:

Glycerol as a recyclable solvent for copper-catalyzed cross-coupling reactions of diaryl diselenides with aryl boronic acids
Vanessa G. Ricordi, Camilo S. Freitas, Gelson Perin, Eder J. Lenardão, Raquel G. Jacob, Lucielli Savegnago and Diego Alves
Green Chem., 2012, 14, 1030–1034, DOI: 10.1039/C2GC16427B

Reversible polymerization of novel monomers bearing furan and plant oil moieties: a double click exploitation of renewable resources
Carla Vilela, Letizia Cruciani, Armando J. D. Silvestre and Alessandro Gandini
RSC Adv., 2012, 2, 2966–2974, DOI: 10.1039/C2RA20053H

Easy dual-mode ambient mass spectrometry with Venturi self-pumping, canned air, disposable parts and voltage-free sonic-spray ionization
Nicolas V. Schwab, Andreia M. Porcari, Mirela B. Coelho, Eduardo M. Schmidt, Jose L. Jara, Jesui V. Visentainer and Marcos N. Eberlin
Analyst, 2012, 137, 2537–2540, DOI: 10.1039/C2AN16312H

Capacitively coupled contactless conductivity detection on microfluidic systems—ten years of development
Wendell Karlos Tomazelli Coltro, Renato Sousa Lima, Thiago Pinotti Segato, Emanuel Carrilho, Dosil Pereira de Jesus, Claudimir Lucio do Lago and José Alberto Fracassi da Silva
Anal. Methods, 2012, 4, 25–33, DOI: 10.1039/C1AY05364G

Determination of trace metals in high-salinity petroleum produced formation water by inductively coupled plasma mass spectrometry following on-line analyte separation/preconcentration
Eliane Padua Oliveira, Lu Yang, Ralph E. Sturgeon, Ricardo Erthal Santelli, Marcos Almeida Bezerra, Scott N. Willie and Ramsés Capilla
J. Anal. At. Spectrom., 2011, 26, 578-585, DOI: 10.1039/C0JA00108B

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