Analytical Chemistry News

Effect of organic solvents on the immunosensing assay of small molecules based on optofluidic immunosensing platform

RSC - Anal. Methods latest articles - Tue, 09/19/2017 - 12:28
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C6AY03373C, PaperXuening Lou, Anna Zhu, Qiang Luo, Yan Zhang, Feng Long
Highly sensitive and selective immunosensors are widely applied to detect small molecules. Organic solvents extraction of small molecules in samples is generally required when the small molecules have poor solubility...
The content of this RSS Feed (c) The Royal Society of Chemistry

A 3-step Chemiluminescence Method for Chemical Oxygen Demand Measurement with Dichromate Oxidizing Reagent

RSC - Anal. Methods latest articles - Tue, 09/19/2017 - 12:28
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01652B, PaperDo Thi Kim Hue, Takumi Shiba, Yasuaki Maeda, Norimichi Takenaka
In this study, the use of potassium dichromate as a oxidizing reagent in the 3-step chemiluminescence (CL) chemical oxygen demand (COD) method, which based on the principle of permanganate COD...
The content of this RSS Feed (c) The Royal Society of Chemistry

Extraction optimization and pixel-based chemometric analysis of semi-volatile organic compounds in groundwater

RSC - Anal. Methods latest articles - Tue, 09/19/2017 - 12:28
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01348E, PaperPeter Christensen, Giorgio Tomasi, Mette Kristensen, Peter Engelund Holm, Jan Christensen
Semi-volatile organic compounds (semi-VOCs) are found in complex mixtures, and in low concentrations in groundwater. Chemical fingerprinting analysis of groundwater is therefore challenging, as it is necessary to obtain high...
The content of this RSS Feed (c) The Royal Society of Chemistry

Paper Test Card for Detection of Adulterated Milk

RSC - Anal. Methods latest articles - Tue, 09/19/2017 - 12:28
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01321C, PaperJamie L Luther, Valentine Henry de Frahan, Marya Lieberman
In developing countries, milk is adulterated to meet demand and increase profit. Often the milk is diluted with water, and sugar, urea, and starch are added to mimic the color,...
The content of this RSS Feed (c) The Royal Society of Chemistry

Determination of cause of death using paper-based microfluidic device as a colorimetric probe

RSC - Anal. Methods latest articles - Tue, 09/19/2017 - 12:28

Anal. Methods, 2017, Advance Article
DOI: 10.1039/C7AY01784G, PaperN. Ansari, A. Lodha, A. Pandya, S. K. Menon
In recent years, the use of benzodiazepines has increased in the commission of crime, homicide, suicide, drugs overdoses, robbery, and drug-facilitated sexual assault.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry

Analysis of deferiprone in exhaled breath condensate using silver nanoparticle-enhanced terbium fluorescence

RSC - Anal. Methods latest articles - Tue, 09/19/2017 - 12:28

Anal. Methods, 2017, Advance Article
DOI: 10.1039/C7AY01715D, PaperEsmail Mohamadian, Ali Shayanfar, Maryam Khoubnasabjafari, Vahid Jouyban-Gharamaleki, Saba Ghaffary, Abolghasem Jouyban
Exhaled breath condensate (EBC) has been proposed as an alternative non-invasive biological sample for therapeutic drug monitoring.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry

Immunoaffinity nanogold coupled with direct analysis in real time (DART) mass spectrometry for analytical toxicology

RSC - Anal. Methods latest articles - Tue, 09/19/2017 - 07:20

Anal. Methods, 2017, 9,4954-4957
DOI: 10.1039/C7AY00922D, CommunicationK. M. Evans-Nguyen, T. L. Hargraves, A. N. Quinto
A rapid, definitive trace drug identification technique using nanogold surfaces with mass spectrometry was developed.
The content of this RSS Feed (c) The Royal Society of Chemistry

Box-Behnken design applied to optimize the ultrasound-assisted extraction of petroleum biomarkers in river sediment samples using green analytical chemistry

RSC - Anal. Methods latest articles - Mon, 09/18/2017 - 11:05
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01470H, PaperFausto Moreira Moreira Araujo, Mellina Santos Rachid, Marcone Augusto Leal de Oliveira, Renato Matos, Maria Auxiliadora Costa Matos
In the present paper, the 3³ Box-Behnken design with a triplicate central point was used to optimize the conditions for the ultrasound-assisted extraction of n-alkanes (C10-C40) and isoprenoids (phytane and...
The content of this RSS Feed (c) The Royal Society of Chemistry

Forensic discrimination between authentic and counterfeit perfumes using paper spray mass spectrometry and multivariate supervised classification

RSC - Anal. Methods latest articles - Mon, 09/18/2017 - 08:03

Anal. Methods, 2017, 9,4979-4987
DOI: 10.1039/C7AY01295K, PaperJ. A. R. Teodoro, H. V. Pereira, D. N. Correia, M. M. Sena, E. Piccin, R. Augusti
Paper spray mass spectrometry (PS-MS) is combined with chemometric methods (PCA, SIMCA and PLS-DA) for a fast and reliable forensic discrimination between authentic and counterfeit perfumes.
The content of this RSS Feed (c) The Royal Society of Chemistry

A supercharged fluorescent protein based FRET sensing platform for detection of heparin contamination

RSC - Anal. Methods latest articles - Mon, 09/18/2017 - 05:03
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01907F, PaperYubin DING, Min Zhou, Hui Wei
Development of biosensors for the detection of oversulfated chondroitin sulfate (OSCS), the key contaminant in heparin (Hep), is a greatly demanding but challenging task. In this work, a FRET system...
The content of this RSS Feed (c) The Royal Society of Chemistry

In-situ quantification of volatile ethanol in complex components based on colorimetric sensor array

RSC - Anal. Methods latest articles - Mon, 09/18/2017 - 05:03
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01639E, PaperHao Lin, Zhong xiu Man, Binbin Guan, Quansheng Chen, Hongjuan Jin, Zhaoli Xue
This paper presents a novel method for chemically responsive dyes selection and ethanol quantification in mixed volatile organic compounds (VOCs) using colorimetric sensor array (CSA). Chemically responsive dyes (mainly composed...
The content of this RSS Feed (c) The Royal Society of Chemistry

Independent macroscopic chemical mappings of cultural heritage materials with reflectance imaging spectroscopy : the case study of a 16th century Aztec manuscript

RSC - Anal. Methods latest articles - Mon, 09/18/2017 - 05:03
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00749C, PaperFabien Maxime Pottier, Salomon Kwimang, Anne Michelin, Christine Andraud, Fabrice Goubard, Bertrand Lavedrine
Reflectance spectral imaging is a powerful tool for the non-invasive study of cultural heritage objects. Particular visible to short wave infrared (400-2500 nm) spectral features are linked to compositional information...
The content of this RSS Feed (c) The Royal Society of Chemistry

Differential ion mobility spectrometry with temperature programmable micromachined gas chromatography for the determination of bis(chloromethyl)ether

RSC - Anal. Methods latest articles - Fri, 09/15/2017 - 09:23

Anal. Methods, 2017, 9,5003-5008
DOI: 10.1039/C7AY00653E, PaperJ. Luong, R. Gras, R. A. Shellie
A parts-per-million level screening technique for bis(chloromethyl)ether using micromachined differential ion mobility spectrometry combined with portable temperature programmable low thermal mass silicon micromachined gas chromatography is described.
The content of this RSS Feed (c) The Royal Society of Chemistry

Correction: Normalization strategy for the LC-MS bioanalysis of protein kinetics assays via internal proteolytic analyte utilized as control standard: application in studies of HIV-1 protease cleavage of HIV-1 Gag polyprotein in HIV maturation...

RSC - Anal. Methods latest articles - Fri, 09/15/2017 - 08:22
Anal. Methods, 2017, Advance Article
DOI: 10.1039/C7AY90125A, Correction Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Joseph L. Cantone, Zeyu Lin, Ira B. Dicker, Dieter M. Drexler
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry

Infrared atmospheric solids analysis probe (IR-ASAP) mass spectrometry for ambient analysis of volatile compounds without heated gas

RSC - Anal. Methods latest articles - Thu, 09/14/2017 - 07:07

Anal. Methods, 2017, 9,5009-5014
DOI: 10.1039/C7AY00874K, PaperSara Madarshahian, Milan Pophristic, Charles N. McEwen
The IR-ASAP approach described is a simple yet highly sensitive ambient ionization method for analysis of vaporizable compounds without need of heated pressurized gas, thus making it especially amenable to portable mass spectrometers.
The content of this RSS Feed (c) The Royal Society of Chemistry

Rapid identification of fermentation stages of bioethanol SSF using FT-NIR spectroscopy: Comparisons of linear and non-linear algorithms for multiple classification issues

RSC - Anal. Methods latest articles - Thu, 09/14/2017 - 05:07
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01861D, PaperHui Jiang, Congli Mei, Quansheng Chen
Solid state fermentation (SSF) is a critical step in achieving bioethanol product, and an effective monitoring of SSF process is on the urgent need due to the rapid changes in...
The content of this RSS Feed (c) The Royal Society of Chemistry

A sensitive and group-specific monoclonal antibody-based indirect competitive ELISA for the determination of salbutamol in swine meat and liver samples

RSC - Anal. Methods latest articles - Thu, 09/14/2017 - 04:06
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01628J, PaperAnping Deng, Yin Yuan, Yingying Zhao, Kang Wu, Hong Yang, Kang Zhao, Jianguo Li
Salbutamol (SAL), a kind of [small beta]-adrenergic receptor agonists ([small beta]-agonists) which can enhance the lean meat-to-fat ratio, has been inhibited as an additive used in animal feeds for livestock production in...
The content of this RSS Feed (c) The Royal Society of Chemistry

Google Analytics and Quick Response for Advancement of Gold Nanoparticles Dual Lateral Flow Immunoassay for Malaria - Plasmodium lactate dehydrogenase (pLDH)

RSC - Anal. Methods latest articles - Wed, 09/13/2017 - 03:45
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01645J, PaperLungani Mthembu , Myalowenkosi Innocent Sabela , Mbuso Mlambo, Lawrence Mzukisi Madikizela, Kanchi Suvardhan, Halalisani Gumede, Phumlane Selby Mdluli
A rapid dual lateral flow diagnostic assay fabricated with quick response (QR) barcodes was developed to improve quality control of malaria diagnostic tests, as well as to enhance systems for...
The content of this RSS Feed (c) The Royal Society of Chemistry

Preparation of hierarchical Co(OH)2 nanotube arrays grown on carbon cloth and its use in non-enzymatic glucose sensing

RSC - Anal. Methods latest articles - Tue, 09/12/2017 - 05:28
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01991B, PaperMujia Huang, Xue Luo, Daiping He, Ping Jiang
Hierarchical Co(OH)2 nanotube arrays grown oncarbon cloth (Co(OH)2 NTAs/CC) was prepared by a simple two-step approach. Firstly, the layered cobalt carbonate hydroxide nanowire arrays grown on carbon cloth (LCCH NWAs/CC)...
The content of this RSS Feed (c) The Royal Society of Chemistry

Laser-based ambient mass spectrometry

RSC - Anal. Methods latest articles - Mon, 09/11/2017 - 08:03

Anal. Methods, 2017, 9,4924-4935
DOI: 10.1039/C7AY00997F, MinireviewSy-Chyi Cheng, Christopher Shiea, Yeou-Lih Huang, Chin-Hsiung Wang, Yi-Tzu Cho, Jentaie Shiea
This study summarized laser-based ambient mass spectrometric (AMS) techniques with regard to their fundamentals, ionization mechanisms, and recent applications.
The content of this RSS Feed (c) The Royal Society of Chemistry

Pages