Chemical Analysis

Drug Development

Food Safety

Forensics

Quality Control

Threat Detection

Publications

Direct analysis of dithiocarbamate fungicides in fruit by ambient mass spectrometry
Authors: Katerina Riddellova, Jana Hajslova , Tomas Cajka, Paul Zomer, Hans Mol
Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2012, Apr, 12, 28(10), 1372-82
10.1080/19440049.2011.590456
 

Dithiocarbamates (DTCs) are fungicides that require a specific single-residue method for detection and verification of compliance with ...

Evaluating a direct swabbing method for screening pesticides on fruit and vegetable surfaces using direct analysis in real time (DART®) coupled to an Exactive benchtop orbitrap mass spectrometer
Authors: Elizabeth Crawford, Brian Musselman
Anal Bioanal Chem. 2012, Feb, 25, [Epub ahead of print],
 
Rapid screening of pesticides present on the surfaces of fruits and vegetables has been facilitated by using a Direct Analysis in Real Time ...

Direct analysis in real time mass spectrometry combined with single-drop liquid–liquid–liquid microextraction for the rapid analysis of multiple phytohormones in fruit juice
Authors: Jialing Zhang, Yu Bai, Huwei Liu
Anal Bioanal Chem. 2012, Feb, 14, [Epub ahead of print],
 
A rapid, simple, and efficient method for the fast determination of multiple phytohormones was developed in this work, based on single-drop ...

Ambient Ionization–Accurate Mass Spectrometry (AMI-AMS) for the Identification of Nonvisible Set-off in Food-Contact Materials
Authors: Luke Ackerman, Timothy Begley, Karim Bentayeb
J. Agric. Food Chem. 2012, Jan, 17, 60 (8), 1914–1920
10.1021/jf204456z
 
Set-off is the unintentional transfer of substances used in printing from the external printed surface of food packaging to the inner, ...

Analysis of isoflavones in soybeans employing direct analysis in real-time ionization–high-resolution mass spectrometry
Authors: Katerina Riddellova, Jana Hajslova , Tomas Cajka, Jaromir Lojza, Vera Schulzova
Journal of separation science 2012, Jan, 09, 35(3), 476-81
10.1111/j.1556-4029.2011.01767.x
 
A direct analysis in real-time (DART®) ion source coupled to a high-resolution orbitrap mass spectrometer was used for the quantitative ...

Challenging applications offered by direct analysis in real time (DART®) in food-quality and safety analysis
Authors: Jana Hajslova , Lukas Vaclavik, Tomas Cajka
Trends in Analytical Chemistry 2011, Dec, 10, Vol. 30, No. 2,, 204-218
10.1016/j.trac.2010.11.001
 

Direct analysis in real time (DART®) is an ambient ionization technique undergoing rapid development. With minimal sample ...

Identification of ambiguous cubeb fruit by DART®-MS-based fingerprinting combined with principal component analysis
Authors: Hye Jin Kim, Young Pyo Jang
Food Chemistry 2011, Dec, 01, 129(3), 1019-1024
10.1016/j.foodchem.2011.05.083
 
The cubeb berry has been used as a spice and medicinal herb since medieval times. In China, Litsea cubeba (Lauraceae) has been designated ...

Practical considerations for the rapid screening for pesticides using ambient pressure desorption ionisation with high-resolution mass spectrometry
Authors: Sara E. Edison, Lenin Parrales, Lora A. Lin
Food Additives & Contaminants 2011, Oct, 18, 28(10), 1393-1404
10.1080/19440049.2011.596165
 
A rapid screening method for pesticides has been developed to streamline the processing of produce entering the United States. Foam swabs ...

Rapid qualitative analysis of phthalates added to food and nutraceutical products by direct analysis in real time orbitrap mass spectrometry
Authors: Randy L. Self, Wen-Hsin Wu
Food Control 2011, Oct, 18, 25(1), 13–16
10.1016/j.foodcont.2011.10.013
 
A recent food safety issue involves the contamination of a broad range of food and nutraceutical products from Taiwan with industrial ...

A rapid, simple method for the genetic discrimination of intact Arabidopsis thaliana mutant seeds using metabolic profiling by direct analysis in real-time mass spectrometry
Authors: Jong H Kim, Hye Jin Kim, Young Pyo Jang, Suk W Kim, Yong K Kwon, Myung S Ahn, Jang R Liu
Plant Methods 2011, Jun, 10, 7:14 ,
10.1186/1746-4811-7-14
 
Background
Efficient high throughput screening systems of useful mutants are prerequisite for study of plant functional genomics and ...

Rapid screening for synthetic antidiabetic drug adulteration in herbal dietary supplements using direct analysis in real time mass spectrometry
Authors: Zhigui Zhou, Jialing Zhang, Wei Zhang, Yu Bai, Huwei Liu
Analyst 2011, May, 03, Issue 12, 136, 2613-2618
10.1039/C0AN01047B
 
Adulteration of herbal supplements with synthetic drugs is illegal. A rapid and reliable method which utilizes direct analysis in real time ...

Allium discoloration, the precursor and formation of the red pigment in giant onion (Allium giganteum Regel) and some other subgenus Melanocrommyum species
Authors: Lukas Vaclavik, Petra Kucerová, Roman Kubec, Petr Šimek, Jan Schraml
J Agric Food Chem 2011, Mar, 09, 59(5), 1821-8
10.1021/jf104195k
 
The precursor of the orange-red pigment formed upon wounding the bulbs of Allium giganteum (Allium subg. Melanocrommyum) was isolated and ...

Surface swabbing technique for the rapid screening for pesticides using ambient pressure desorption ionization with high-resolution mass spectrometry
Authors: Elizabeth Crawford, Brian Musselman
Rapid Commun Mass Spectrom. 2011, Jan, 15, 25(1), 127-39
10.1002/rcm.4831
 
A rapid screening method for pesticides has been developed to promote more efficient processing of produce entering the United States. Foam ...

Current mass spectrometry strategies for the analysis of pesticides and their metabolites in food and water matrices
Authors: Helen V Botitsi, Spiros D Garbis, Anastasios Economou, Despina F Tsipi
Mass Spectrom Rev. 2010, Dec, 17, Epub ahead of print,
 
Analysis of pesticides and their metabolites in food and water matrices continues to be an active research area closely related to food ...

Recognition of beer brand based on multivariate analysis of volatile fingerprint
Authors: Monika Tomaniova, Katerina Riddellova, Jana Hajslova , Tomas Cajka
Journal of Chromatography A 2010, Dec, 10, 1217, 4195–4203
10.1016/j.chroma.2009.12.049
 
Automated head-space solid-phase microextraction (HS-SPME)-based sampling procedure, coupled to gas chromatography–time-of-flight mass ...

Ambient mass spectrometry employing a DART® ion source for metabolomic fingerprinting-profiling a powerful tool for beer origin recognition
Authors: Monika Tomaniova, Katerina Riddellova, Jana Hajslova , Tomas Cajka
Metabolomics 2010, Dec, 10, ,
10.1007/s11306-010-0266-z
 
A metabolomic fingerprinting/profiling generated by ambient mass spectrometry (MS) employing a direct analysis in real time (DART®) ion ...

Profiling of Piper betle Linn cultivars by direct analysis in real time mass spectrometric technique
Authors: Vikas Bajpa, Deepty Sharma, Brijesh Kumar, Kumar Madhusudanan
Biomedical Chromatography 2010, Nov, 15, 24(12), 1283–1286
DOI: 10.1002/bmc.1437
 
Piper betle Linn. is a traditional plant associated with the Asian
and southeast Asian cultures. Its use is also recorded in folk

Epiafzelechin from the Root Bark of Cassia sieberiana, Detection by DART® Mass Spectrometry, Spectroscopic Characterization, and Antioxidant Properties
Authors: Kafui Kpegba, Amegnona Agbonon, Ana Petrovic, Etchri Amouzou, Messanvi Gbeassor, Gloria Proni, Nasri Nesnas
Journal of Natural Products 2010, Nov, 11, ,
10.1021/np100090e
 
The root bark of Cassia sieberiana was analyzed using direct analysis in real time mass spectrometry, and a main flavonoid component with ...

Quantitative analysis of major dibenzocyclooctane lignans in schisandrae fructus by online TLC-DART®
Authors: Hye Jin Kim, Myung Sook Oh, Jongki Hong, Young Pyo Jang
Phytochemical Analysis 2010, Oct, 26, , 1099-1565
10.1002/pca.1273
 
Direct analysis in real time (DART®) ion source is a powerful ionising technique for the quick and easy detection of various organic ...

Analysis of multiple mycotoxins in cereals under ambient conditions using direct analysis in real time (DART®) ionization coupled to high resolution mass spectrometry
Authors: Milena Zachariasova, Vojtech Hrbek, Jana Hajslova , Lukas Vaclavik
Talanta 2010, Oct, 15, 82(5), 1950-1957
doi:10.1016/j.talanta.2010.08.029
 
Direct analysis in real time (DART®) ionization coupled to an
(ultra)high resolution mass spectrometer based on orbitrap ...

Analysis of multiple mycotoxins in beer employing (ultra)-high-resolution mass spectrometry
Authors: Milena Zachariasova, Jan Poustka, Tomas Cajka, Michal Godula, Alexandra Malachova, Zdenka Veprikova
RAPID COMMUNICATIONS IN MASS SPECTROMETRY 2010, Aug, 22, 24, 3357–3367
10.1002/rcm
 
The objective of the presented study was to develop and optimize a simple, high-throughput method for the control of 32 mycotoxins ...

Release kinetics of actives from chewing gums into saliva monitored by direct analysis in real time mass spectrometry
Authors: Nicolas Jeckelmann, Olivier P. Haefliger
Rapid Communications in Mass Spectrometry 2010, Apr, 30, 24(8), 1165-1171
DOI: 10.1002/rcm.4500
 
Direct analysis in real time mass spectrometry (DART®-MS) was used to
monitor the release kinetics of a taste-refreshing compound ...

UAlbany scientists help solve garlic riddle
Authors: Steve Barnes
TimesUnion 2010, Mar, 22, ,
 
A head of garlic in its papery skin is relatively odorless. But crushing or slicing a clove ”” or, egad, chewing on one ”” produces that ...

Identification of active ingredients in dietary supplements using non-destructive mass spectrometry and liquid chromatography–mass spectrometry
Authors: Kanju Saka, Kiyotaka Konuma, Shigehiro Asai, Kana Unuma, Makoto Nakajima, Ken-ichi Yoshida
Forensic science international 2009, Oct, 30, 191(1), e5-e10
10.1016/j.forsciint.2009.07.007
 
A mid-forties woman purchased seven different dietary supplements from Thailand on the internet and subsequently died after taking these ...

Assessing direct analysis in real-time-mass spectrometry (DART®-MS) for the rapid identification of additives in food packaging

Authors: Luke Ackerman, Gregory Noonan, Timothy Begley
Food Additives & Contaminants: Part A: Chemistry, Analysis, Control, Exposure & Risk Assessment 2009, Sep, 11, 26(12), 1611-1618
10.1080/02652030903232753
 
The ambient ionization technique direct analysis in real time (DART®) was characterized and evaluated for the screening of food ...

Ambient mass spectrometry employing direct analysis in real time (DART®) ion source for olive oil quality and authenticity assessment
Authors: Vojtech Hrbek, Jana Hajslova , Lukas Vaclavik, Tomas Cajka
Analytica Chimica Acta 2009, May, 05, 645(1-2), 56–6
doi:10.1016/j.aca.2009.04.043
 
A novel approach for the authentication of olive oil samples representing different quality grades has been developed.Anewtype of ion ...

Rapid and Unambiguous Identification of Melamine in Contaminated Pet Food Based on Mass Spectrometry with Four Degrees of Confirmation
Authors: Teresa Vail, Patrick Jones , David Sparkman
Journal of Analytical Toxicology 2007, Jul, 01, 31, 304-312
 
A method for analyzing pet food without sample processing is described for rapid identification of melamine based on mass spectrometry (MS) ...
 
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