RSC - Anal. Methods latest articles

Anatase TiO2 nanoparticle-graphene nanocomposites: One-step preparation and their enhanced direct electrochemistry of hemoglobin

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05781F, Communication

Qingming Shen, Shiwei Zhou, Xiaomei Zhao, Li-Ping Jiang, Wenhua Hou, Jun-Jie Zhu
Anatase TiO₂ nanoparticle-graphene nanocomposites with enhanced direct electrochemistry of hemoglobin and biosensing for H₂O₂ were synthesized via a facile, one-step approach in aqueous solution at room temperature.
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Optimization of a vanillin assay for determination of anthocyanins using D-optimal design

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05630E, Paper

Mohammad Reza Khoshayand, Tahmineh Roohi, Ghazaleh Moghaddam, Feryar Khoshayand, Parviz Shahbazikhah, Mohammad Reza Oveisi, Mannan Hajimahmoodi
We present an optimization of the vanillin assay for the determination of anthocyanins, performed with the aid of a D-optimal experimental design.
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The use of CIM-DEAE monolithic chromatography coupled to ICP-MS to study the distribution of cisplatin in human serum

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05603H, Paper

Anze Martincic, Radmila Milacic, Maja Cemazar, Gregor Sersa, Janez Scancar
We investigate Pt speciation in the serum of six cancer patients receiving cisplatin-based chemotherapy. Analyses were performed using a CIM DEAE-1 - ICP-MS procedure.
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Towards an ideal method for analysis of lisinopril in pharmaceutical formulations using a tris(2,2[prime or minute]-bipyridyl)-ruthenium(II)-peroxydisulfate chemiluminescence system in a two chip device

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05616J, Paper

Haider A. J. Al Lawati, Mahmood Al-Azwani, Gouri B. Varma, Fakhr Eldin O. Suliman, Salma M. Z. Al Kindy
A rapid, sensitive and selective chemiluminescence method was developed for the determination of lisinopril in pharmaceutical formulations.
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Highly sensitive fluorescent chemosensor for hypochlorite anion based on a novel irreversible ring-opening strategy

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05788C, Communication

Fangfang Wei, Yan Lu, Song He, Liancheng Zhao, Xianshun Zeng
A novel irreversible ring-opening strategy for the rhodamine 6G-based chemosensor design for hypochlorite anion allows the chemosensor to be used in a wide pH span with highly fluorescent signal turn-on ratios.
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Visual detection of copper(II) based on the aggregation of gold nano-particles via click chemistry

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05765D, Communication

Zhenyu Lin, Sen Gao, Jing Lin, Wenlie Lin, Suyan Qiu, Longhua Guo, Bin Qiu, Guonan Chen
A novel, highly simple, sensitive and selective colorimetric method for copper(II) detection through copper(I) catalyzed alkyne-azide cycloaddition reaction (CuAAC) has been developed; 1 nM copper(II) could be detected by the naked eye.
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Comparative studies on carbon paste electrodes based on three dithiocarbamate podands as ionophore in Ag(I) sensors

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05559G, Paper

Mohammad Hossein Mashhadizadeh, Rasoul Pourtaghavi Talemi, Abbas Shockravi, Mahmood Kamali
Three dithiocarbamate podands have been synthesized and used as ionophores for Ag⁺-selective carbon paste electrodes.
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A straightforward quantification of triacylglycerols (and fatty acids) in monovarietal extra virgin olive oils by high-temperature GC

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05574K, Paper

Cristina Ruiz-Samblas, Luis Cuadros-Rodriguez, Antonio Gonzalez-Casado, Francisco P. Rodriguez-Garcia
A HTGC method, without any previous sample treatment, which offers a valid analytical methodology to characterise the TAG profile in extra virgin olive oils, is proposed.
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A mass spectrometric assay for the quantification of neuropeptide PYY in plasma

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05536H, Paper

Li Xi, Yaping Jin, Peter Josh, Edward A. Parker, Herbert Herzog, Michelle Colgrave
A selective UPLC-MS/MS quantification method was developed for measuring PYY in human plasma using a trypsin digestion strategy to improve the assay sensitivity.
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Comparison of subcritical water extraction and microwave-assisted water extraction for the determination of chlorophenols in polluted lake sediments

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05715H, Paper

Li Wang, Linling Wang, Zhu Miao, Xiumei Shao, Jing Chen, Xiaohua Lu
Two environmentally non-harmful sample preparation methods, subcritical water extraction and microwave-assisted water extraction, were evaluated and optimized for the determination of 2-chlorophenol, 2,4-dichlorophenol, 4-chlorophenol and pentachlorophenol in Ya-Er Lake sediments.
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A novel amperometric sensor based on intercalated montmorillonite modified carbon paste electrode for hydroquinone determination

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05843J, Paper

Yong Kong, Mengjie Ma, Huihui Mao, Jiangquan Ma, Chao Yao
An amperometric sensor based on an intercalated montmorillonite modified CPE is developed for hydroquinone determination.
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End point detection of precipitation titration by scanometry method without using indicator

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05492B, Paper

Abdolkarim Abbaspour, Abdolreza Khajehzadeh
A new methodology based on scanometry is developed for the accurate determination of precipitation titration end points without using any indicator.
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Early diagnosis of urinary lithiasis via elementary profile of serum samples

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05705K, Paper

Yao Gao, Ning Yang, Xiaomei Yan, Wei Hang, Jinchun Xing, Jiaxin Zheng, Eryi Zhu, Benli Huang
This study presents a novel method for the diagnosis of urinary lithiasis and subtyping of urinary stone patients via serum elementary profiling.
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A graphene oxide-rhodamine 6G nanocomposite as turn-on fluorescence probe for selective detection of DNA

Anal. Methods, 2012, 4,360-362
DOI: 10.1039/C2AY05827H, Communication

Xue Wang, Shuhua Zhong, Yu He, Gongwu Song
An electrostatic nanocomposite from conventional dye and GO was constructed for the cost-effective, label-free, sensitive and selective detection of DNA.
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Monitoring intracellular nitric oxide production using microchip electrophoresis and laser-induced fluorescence detection

Anal. Methods, 2012, 4,414-420
DOI: 10.1039/C2AY05542B, Paper

Emilie R. Mainz, Dulan B. Gunasekara, Giuseppe Caruso, Derek T. Jensen, Matthew K. Hulvey, Jose Alberto Fracassi da Silva, Eve C. Metto, Anne H. Culbertson, Christopher T. Culbertson, Susan M. Lunte
Microchip electrophoresis with fluorescence detection was used to monitor nitric oxide (NO) production by Jurkat cells under native and stimulated conditions.
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Rapid morphological characterization of isolated mitochondria using Brownian motion

Anal. Methods, 2012, 4,513-521
DOI: 10.1039/C2AY05686K, Paper

Akilan Palanisami, Jie Fang, Thomas W. Lowder, Hawley Kunz, John H. Miller Jr
High throughput microscopy of mitochondrial Brownian motion allows rapid sizing for disease characterization.
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Validation of subsampling procedures and granulometry distribution uncertainty assessment in environmental soil analysis

Anal. Methods, 2012, 4,570-574
DOI: 10.1039/C2AY05735B, Technical Note

Fulvia Risso, Riccardo Narizzano, Massimo Ottonelli, Alfredo Magherini, Michele Giampieri, Eugenio Carlini
A study of subsampling activities on different soil typologies was performed to obtain a quantitative picture of their influence on the final analytical results. This work provides the first scheme for validation of subsampling activities and establishes a general assessment of granulometry distribution uncertainty.
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Chemiluminescence determination of primidone in pharmaceuticals and human fluids

Anal. Methods, 2012, 4,558-563
DOI: 10.1039/C2AY05621F, Paper

Ali Mokhtari
A chemiluminescence method using a flow injection system has been developed for the determination of primidone . The method is based on the enhancement of the chemiluminescence produced in the reaction of tris(1,10-phenanthroline)ruthenium(II) and acidic Ce(IV) in the presence of primidone.
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First order speciation of vanadium and chromium in water samples by on-line continuous membrane separation hyphenated to inductively coupled plasma mass spectrometry

Anal. Methods, 2012, 4,575-580
DOI: 10.1039/C2AY05740A, Technical Note

Xiao-yu Jia, Di-rong Gong, Yi Han, Tai-cheng Duan, Hang-ting Chen
An on-line anion-exchange membrane separation system coupled to ICP-MS simultaneously determines total vandium and chromium concentrations and V(IV) and Cr(III) species concentrations in environmental samples.
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Comparison study on nucleosides and nucleotides in edible mushroom species by capillary zone electrophoresis

Anal. Methods, 2012, 4,546-549
DOI: 10.1039/C2AY05793J, Paper

Feng-qing Yang, Rui Lv, Yong-lan Zhang, Zhi-ning Xia
We present a capillary zone electrophoresis method for the determination of four nucleosides and three nucleotides in edible mushrooms.
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Stereoselectivity of an enzyme-linked, immunosorbent assay for S-bioallethrin

Anal. Methods, 2012, 4,534-538
DOI: 10.1039/C2AY05626G, Paper

Mengmeng Cao, Ming Li, Xu Yan, Minghua Wang
One single isomer was used for the preparation of immunogen, and a stereoselective ELISA for the detection of S-bioallethrin was developed.
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Arsenic species and selected metals in human urine: validation of HPLC/ICPMS and ICPMS procedures for a long-term population-based epidemiological study

Anal. Methods, 2012, 4,406-413
DOI: 10.1039/C2AY05638K, Paper

Jurgen Scheer, Silvia Findenig, Walter Goessler, Kevin A. Francesconi, Barbara Howard, Jason G. Umans, Jonathan Pollak, Maria Tellez-Plaza, Ellen K. Silbergeld, Eliseo Guallar, Ana Navas-Acien
This protocol describes the methods for a large epidemiologic study investigating relationships between arsenic and metal exposure with cardiometabolic disease in American Indian communities.
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CPE-Paptode as a new technique for determination of dyes: application for determination of acid red 151

Anal. Methods, 2012, 4,502-507
DOI: 10.1039/C2AY05643G, Paper

A. Shokrollahi, A. Abbaspour, Z. Azami Ardekani, Z. Malekhosseini, A. Alizadeh
CPE-Paptode is an easy, safe, rapid, portable, inexpensive method for the separation and determination of trace amounts of dyes such as acid red 151.
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Determination of flavor components of rice bran by GC-MS and chemometrics

Anal. Methods, 2012, 4,539-545
DOI: 10.1039/C2AY05671B, Paper

Maomao Zeng, Liangxiao Zhang, Zhiyong He, Fang Qin, Xueyan Tang, Xiaolin Huang, Honghong Qu, Jie Chen
The flavor components of rice bran were investigated by SPME-GC-MS combined with chemometric resolution method with the help of AMDIS software and temperature-programmed retention indices.
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Engineering a unimolecular multifunctional DNA probe for analysis of Hg2+ and Ag+

Anal. Methods, 2012, 4,345-347
DOI: 10.1039/C2AY05823E, Communication

Xiaoxiao He, Zhihe Qing, Kemin Wang, Zhen Zou, Hui Shi, Jin Huang
A unimolecular multifunctional DNA probe for the analysis of Hg²⁺ and Ag⁺ ions was engineered by DNA-metal base pairs-mediated DNA transformation.
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A new labelling reagent for glycans analysis by capillary electrophoresis-mass spectrometry

Anal. Methods, 2012, 4,357-359
DOI: 10.1039/C2AY05741G, Communication

Cai Tie, Xin-Xiang Zhang
A new labeling reagent designed for the glycans CE-MS analysis was synthesized and applied. Compared with traditional reagents, CE separation and MS detection sensitivity were improved by the new reagent significantly.
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A new "capturer" for electrochemical detection of organophosphate pesticides: The hydroxylation and carbonylation carbonaceous nanospheres

Anal. Methods, 2012, 4,353-356
DOI: 10.1039/C2AY05730A, Communication

Yan Wei, Ran Yang, Zheng Guo, Chao Gao, Lun Wang, Jin-Huai Liu, Xing-Jiu Huang
The hydroxylation and carbonylation carbonaceous nanospheres (H/C-CNSs) were used for electrochemical detection of organophosphate pesticides for the first time. H/C-CNSs were proven for solid-phase extraction of OPs without the need for an external modification.
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Au NPs-Ni(OH)2-Cu nanocomposites enhanced electrochemical properties for detection of H2O2

Anal. Methods, 2012, 4,496-501
DOI: 10.1039/C2AY05534A, Paper

Xiaojun Zhang, Yan Huang, Liutao Yu, Guangfeng Wang, Bin Fang
Au NPs-Ni(OH)₂-Cu nanocomposites modified glass carbon electrode was applied in fast and sensitive detection of H₂O₂.
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Factorial and Doehlert designs in the optimization of a separation procedure using polyurethane foam as a solid phase extractant for platinum determination in ferrous matrices using inductively coupled plasma optical emission spectroscopy

Anal. Methods, 2012, 4,508-512
DOI: 10.1039/C2AY05672K, Paper

Neyla Margarida Lopo de Araujo, Sergio Luis Costa Ferreira, Hilda Costa dos Santos, Djane Santiago de Jesus, Marcos Almeida Bezerra
Procedure for separation of platinum from ferrous matrices using platinum sorption as chloride complexes on polyurethane foam, with subsequent determination by ICP OES.
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Simultaneous determination of two important dopamine metabolites at physiological pH by voltammetry

Anal. Methods, 2012, 4,348-352
DOI: 10.1039/C2AY05664J, Communication

S. Brillians Revin, S. Abraham John
Simultaneous determination of two important dopamine metabolites was achieved by voltammetry using a 3-amino-5-mercapto-1,2,4-triazole polymer film.
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A simple and sensitive colorimetric method for detection of mercury ions based on anti-aggregation of gold nanoparticles

Anal. Methods, 2012, 4,488-491
DOI: 10.1039/C2AY05764F, Paper

Tingting Lou, Ling Chen, Chunrong Zhang, Qi Kang, Huiyan You, Dazhong Shen, Lingxin Chen
A colorimetric detection of Hg²⁺ has been proposed by using anti-aggregation of gold nanoparticles based on co-ordination between thymine and Hg²⁺.
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Electrochemical sensor of 4-aminobutyric acid based on molecularly imprinted electropolymer

Anal. Methods, 2012, 4,482-487
DOI: 10.1039/C2AY05629A, Paper

Xinyu Zheng, Ruiyu Lin, Xuechou Zhou, Lingling Zhang, Wenxiong Lin
Molecularly imprinted polymer electrochemical sensor for direct detection of 4-aminobutyric acid.
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In vivo characterisation of a Nafion[registered sign]-modified Pt electrode for real-time nitric oxide monitoring in brain extracellular fluid

Anal. Methods, 2012, 4,550-557
DOI: 10.1039/C2AY05924J, Paper

Niall J. Finnerty, Saidhbhe L. O'Riordan, Finbar O. Brown, Pier A. Serra, Robert D. O'Neill, John P. Lowry
A novel Pt-based electrochemical sensor modified with cured Nafion^{[registered sign]} (5 pre-coats/2 dip-coats) has now been characterized in vivo for the sensitive and selective detection of NO in brain extracellular fluid.
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Low field magnetic resonance techniques in the development of nanomaterials for biomedical applications

Anal. Methods, 2012, 4,331-341
DOI: 10.1039/C2AY05420E, Critical Review

Carla J. Meledandri, Dermot F. Brougham
Magnetic resonance methods are used in assessing MRI efficacy of magnetic nanoparticle suspensions and for providing insight into colloidal properties.
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Multi-walled carbon nanotubes modified glassy carbon electrode for sensitive determination of ketoconazole

Anal. Methods, 2012, 4,444-448
DOI: 10.1039/C2AY05615A, Paper

Joanna Borowiec, Lili Wei, Lihua Zhu, Jingdong Zhang
A MWCNTs modified GCE remarkably promoted the electro-oxidation of ketoconazole, thus improving the sensitivity of ketoconazole analysis. The proposed MWCNTs/GCE was successfully employed to the assay of ketoconazole in a pharmaceutical formulation.
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Nanostructured multi-walled carbon nanotubes derivate based on carbon paste electrode for potentiometric detection of Ag+ ions

Anal. Methods, 2012, 4,454-459
DOI: 10.1039/C2AY05668B, Paper

Ting Zhang, Yaqin Chai, Ruo Yuan, Junxiang Guo
We have synthesized a multi-walled carbon nanotubes derivate (B15C5-MWCNTs) as a silver ionophore. B15C5-MWCNTs overcome the problem of ionophore leaching without compromising the sensitivity and selectivity of the sensors.
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A HPLC method for the quantification of butyramide and acetamide at ppb levels in hydrogeothermal waters

Anal. Methods, 2012, 4,530-533
DOI: 10.1039/C2AY05576G, Paper

Gracy Elias, Earl D. Mattson, Jessica E. Little
A quantitative analytical method has been developed to determine butyramide and acetamide concentrations at ppb levels allowing them to be used as thermally reactive tracers in subsurface hydrogeothermal systems.
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New strategy to enhance the extraction efficiency of pyrethroid pesticides in fish samples using a modified QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) method

Anal. Methods, 2012, 4,449-453
DOI: 10.1039/C2AY05681J, Paper

Fengyan Jia, Wenwen Wang, Juan Wang, Jungang Yin, Yongming Liu, Zhenbo Liu
Using 80% (volume fraction) isopropanol, a slow protein denaturation takes place and the pyrethroids bound could be released wholly, which results in a higher recovery of pyrethroids from fish samples.
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Multivariate calibration of near-infrared spectra by using influential variables

Anal. Methods, 2012, 4,467-473
DOI: 10.1039/C2AY05609G, Paper

Xueguang Shao, Min Zhang, Wensheng Cai
A method for variable selection is proposed based on the detection of the influential variables (IVs). PCA is utilized to investigate the clustering of the models built with different combination of the spectral variables.
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Multivariate optimization of cloud point extraction for the simultaneous spectrophotometric determination of cobalt and nickel in water samples

Anal. Methods, 2012, 4,384-393
DOI: 10.1039/C2AY05527A, Paper

Morteza Bahram, Somayeh Khezri
In this work central composite design and mean centering of ratio spectra were used to optimize cloud point extraction and simultaneous spectrophotometric determination of binary mixtures of cobalt and nickel in water samples.
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Mass spectrometric imaging as a high-spatial resolution tool for functional genomics: Tissue-specific gene expression of TT7 inferred from heterogeneous distribution of metabolites in Arabidopsis flowers

Anal. Methods, 2012, 4,474-481
DOI: 10.1039/C2AY05618F, Paper

Andrew R. Korte, Zhihong Song, Basil J. Nikolau, Young Jin Lee
Application of mass spectrometry imaging for the localization of functional expression of genes by comparing the metabolite distributions between wild type and mutant.
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Determination of vitamin B1 with 12-tungstophosphoric acid by resonance Rayleigh scattering method

Anal. Methods, 2012, 4,434-438
DOI: 10.1039/C2AY05676C, Paper

Zhiping Cui, Shaopu Liu, Zhongfang Liu, Xiaoli Hu
VB₁ can react with TP to form an ion-association complex. The enhancement of RRS intensity of the TP-VB₁ system is directly proportional to the concentration of VB₁. It can be applied to the determination of VB₁ in urine samples and tablets with satisfactory results.
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Mass spectrometric identification and characterization of new toremifene metabolites in human urine by liquid chromatography quadrupole/time-of-flight tandem mass spectrometry (LC-QTOFMS)

Anal. Methods, 2012, 4,439-443
DOI: 10.1039/C2AY05702F, Paper

Jianghai Lu, Genye He, Xiaobing Wang, Youxuan Xu, Yun Wu, Ying Dong, Moutian Wu, Gangfeng Ouyang
Two new metabolites of toremifene in urine samples, 3-methoxy-4,4[prime or minute]-dihydroxy-toremifene and 4-hydroxy-N-oxide-toremifene were detected and characterized by LC-QTOFMS.
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A study of techniques for the preservation of mercury and other trace elements in water for analysis by inductively coupled plasma mass spectrometry (ICP-MS)

Anal. Methods, 2012, 4,522-529
DOI: 10.1039/C2AY05182F, Paper

Honway Louie, Choon Wong, Yi Jian Huang, Susan Fredrickson
This study describes a method for the preservation and simultaneous determination of mercury and other trace elements in water by ICP-MS.
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The effect of surfactant on headspace single drop microextraction for the determination of some volatile aroma compounds in citronella grass and lemongrass leaves by gas chromatography

Anal. Methods, 2012, 4,421-428
DOI: 10.1039/C2AY05646A, Paper

Thanawat Jumepaeng, Devanand L. Luthria, Saksit Chanthai
A rapid method for the determination of volatile aromatic compounds in citronella grass and lemongrass leaves has been developed. The addition of SDS as a surfactant resulted in an improvement in the extraction efficiency.
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Application of ionic liquid matrices in spectral analysis of poly(lactide) - solid state NMR spectroscopy versus matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry

Anal. Methods, 2012, 4,377-383
DOI: 10.1039/C2AY05332B, Paper

Beata Miksa, Marek Sochacki, Jan Libiszowski, Andrzej Duda, Wlodzimierz Ciesielski, Marek J. Potrzebowski
A complementary approach joining solid state NMR and mass spectrometry was applied for searching of matrix (second generation ionic liquids) : analyte (polylactide) interactions.
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Silver(I) ion detection in aqueous media based on "off-on" fluorescent probe

Anal. Methods, 2012, 4,342-344
DOI: 10.1039/C2AY05714J, Communication

Chunwei Yu, Jun Zhang, Mingyu Ding, Lingxin Chen
A naphthalimide derivative containing a C[double bond, length as m-dash]N group has been designed as a preferential Ag+-selective fluorescent probe in aqueous media.
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Determination of malachite green and crystal violet in environmental water using temperature-controlled ionic liquid dispersive liquid-liquid microextraction coupled with high performance liquid chromatography

Anal. Methods, 2012, 4,429-433
DOI: 10.1039/C2AY05665H, Paper

Zhen Zhang, Kai Zhou, Yuan-qin Bu, Zheng-jun Shan, Jing-fu Liu, Xiang-yang Wu, Liu-qing Yang, Zhong-lin Chen
Temperature-controlled ionic liquid dispersive liquid-liquid microextraction was introduced to analyze malachite green and crystal violet in environmental water by coupling with HPLC.
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Comparison of three high-flow single-stage impaction-based air samplers for bacteria quantification: DUO SAS SUPER 360, SAMPL'AIR and SPIN AIR

Anal. Methods, 2012, 4,399-405
DOI: 10.1039/C1AY05562C, Paper

Marta Sanchez-Munoz, Maria Munoz-Vicente, Guillermo Cobas, Raquel Portela, Ricardo Amils, Benigno Sanchez
This paper compares the performance of three commonly used portable air impactors. The information generated may be useful to decide which instrument should be recommended for a given standard air sampling method.
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Investigation of the optimal transient times for chronoamperometric analysis of diffusion coefficients and concentrations in non-aqueous solvents and ionic liquids

Anal. Methods, 2012, 4,371-376
DOI: 10.1039/C1AY05667K, Paper

Linhongjia Xiong, Leigh Aldous, Martin C. Henstridge, Richard G. Compton
We report the optimal transient times for chronoamperometric experiments in order to simultaneously determine accurate values of concentration and diffusion coefficient, or alternatively the number of electrons passed.
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Using Zr doped TiO2 nanotubes for the pre-concentration and sensitive determination of bisphenol A prior to fluorescence spectrometry in water samples

Anal. Methods, 2012, 4,394-398
DOI: 10.1039/C1AY05458A, Paper

Xuefeng Wang, Qingxiang Zhou, Mengxiao Zhai
A new solid phase extraction method for the enrichment and determination of bisphenol A was developed with Zr doped TiO₂ nanotubes. The proposed method exhibited merits such as excellent linear range of 1-80 [small mu ]g L^-1 and good LOD of 0.016 [small mu ]g L^-1.
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Determination of elements in situ in green leaves by laser ablation ICP-MS using pressed reference materials for calibration

Anal. Methods, 2012, 4,564-569
DOI: 10.1039/C1AY05577A, Technical Note

James Cizdziel, Kaixuan Bu, Piotr Nowinski
LA-ICP-MS is used to quantify the in situ distribution of many elements in plant leaves.
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A novel electrochemical sensor based on boronic acid-functionalized multi-walled carbon nanotubes for astragaloside IV determination using ARS as the current indicator

Anal. Methods, 2012, 4,492-495
DOI: 10.1039/C1AY05553D, Paper

Li Gu, Ying Liang, Tianshu Zhou, Xiaoshan Tang, Guoyue Shi
A novel electrochemical sensor based on boronic acid functionalized multi-walled carbon nanotubes was successfully employed to detect astragaloside IV using ARS as the current indicator.
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Monitoring of bovine serum albumin using ultrasensitive electrochemiluminescence biosensors based on multilayer CdTe quantum dots modified indium tin oxide electrodes

Anal. Methods, 2012, 4,460-466
DOI: 10.1039/C1AY05481C, Paper

Meng Zhang, Mei Yan, Jinghua Yu, Shenguang Ge, Fuwei Wan, Lei Ge
In a new FI-ECL flow chip, a simple and sensitive sensor reveals good performance for ECL analysis, and opens new avenues for the applications of QDs in ECL biosensors.
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Determination of amino acids and amines in mammalian decomposition fluid by direct injection liquid chromatography-electrospray ionisation-tandem mass spectrometry

Anal. Methods, 2012, 4,363-370
DOI: 10.1039/C1AY05447C, Paper

Lisa M. Swann, Francesco Busetti, Simon W. Lewis
A sensitive and selective method utilising liquid chromatography-electrospray ionisation-tandem mass spectrometry (LC-ESI-MS/MS) operated in multiple reaction monitoring mode is presented for the semi-quantitative determination of 19 biogenic amines and amino acids in mammalian decomposition fluid.
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Accelerated solvent extraction combined with capillary electrophoresis as an improved methodology for simultaneous determination of residual fluoroquinolones and sulfonamides in aquatic products

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05700J, Paper

Hanwen Sun, Yanli Zuo, Haijing Qi, Yunkai Lv
A rapid and effective accelerated solvent extraction with acetonitrile as the solvent is combined with capillary electrophoresis for the determination of fluoroquinolone and sulfonamide residues in aquatic products.
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Enantioanalysis of ketoprofen based on its interaction with C60 fullerene and its derivatives

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05515E, Paper

Raluca-Ioana Stefan-van Staden, Rahel Girmai Bokretsion
C₆₀ fullerenes were used for the enantioselective assay of ketoprofen.
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Discrimination of dopamine from ascorbic acid and uric acid on thioglycolic acid modified gold electrode

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05838C, Communication

Guangming Liu, Jingjing Li, Li Wang, Nana Zong, Shipeng Yu, Feng Li
A novel strategy for highly selective detection of dopamine based on the specific carbodiimide reaction with the elimination of the interference from ascorbic acid and uric acid was proposed.
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Crime scene investigation III: Exploring the effects of drugs of abuse and neurotransmitters on Bloodstain Pattern Analysis

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05762J, Paper

Bethany A. J. Larkin, Meerna El-Sayed, Dale A. C. Brownson, Craig E. Banks
We explore the effects that Drugs of Abuse and Neurotransmitters induce upon the interpretation of Bloodstain Pattern Analysis.
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Electro-oxidation and adsorptive stripping voltammetric determination of ephedrine and pseudoephedrine at carboxylated multi-walled carbon nanotube-modified electrode

Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY05680A, Paper

Hamid Ahmar, Ali Reza Fakhari
The voltammetric behaviors of ephedrine and pseudoephedrine have been studied using a carboxylated multi-walled carbon nanotube-modified glassy carbon electrode. This electrode has been used for real sample analysis.
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