Maria Das Graças Andrade An Korn

Dr. Maria Das Graças Andrade An Korn

Institute of Chemistry, Federal University of Bahia (UFBA), Salvador, Brazil

Research Focus & Metrics

Academic Career Length

29Years (1998-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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4 February 2008 in Applied Spectroscopy Reviews
Verified
Journal Article
Closed access
MKMaria Das Graças Andrade An Korn
Maria Das Graças Andrade An Korn
EMElane Santos da Boa Morte
Elane Santos da Boa Morte
DSDaniele Cristina Muniz Batista dos Santos
Daniele Cristina Muniz Batista dos Santos
JCJacira Teixeira Castro
Jacira Teixeira Castro
JBJosé Tiago Pereira Barbosa
José Tiago Pereira Barbosa
MKMauro Korn
Mauro Korn
The present article gives an overview of recent publications and modern techniques of sample preparation for food analysis employing atomic and inorganic mass spectrometric techniques, such as flame atomic absorption spectrometry, chemical vapor generation atomic absorption and atomic fluorescence spectrometry, graphite furnace atomic absorption spectrometry, inductively coupled plasma optical emission spectrometry, and inductively coupled plasma mass spectrometry. Among the most frequently applied sample preparation techniques for food analysis are dry ashing, usually with the addition of an ashing aid, and acid digestion, preferably with the assistance of microwave energy. Slurry preparation, particularly with the assistance of ultrasound, is increasingly used to reduce acid consumption and sample preparation time. Direct analysis of solid samples is gaining importance in the field of food analysis as it offers the highest sensitivity, avoids the use of acids and other aggressive reagents, makes possible the analysis of micro‐samples, and can be applied for fast screening analysis, e.g., of fresh meat.

1 May 2015 in Food Chemistry
Verified
Journal Article
Closed access
JBJosé Tiago P. Barbosa
José Tiago P. Barbosa
CSClarissa M.M. Santos
Clarissa M.M. Santos
VPVanessa N. Peralva
Vanessa N. Peralva
Erico Marlon Moraes FloresErico Marlon Moraes Flores
Erico Marlon Moraes Flores
MKMauro Korn
Mauro Korn
MKMaria Das Graças Andrade An Korn
Maria Das Graças Andrade An Korn

27 September 2016 in Food Analytical Methods
Verified
Journal Article
Closed access
PDF file
TTTaiana B. Tarantino
Taiana B. Tarantino
IBIsa S. Barbosa
Isa S. Barbosa
DLDaniel de C. Lima
Daniel de C. Lima
MPMadson de G. Pereira
Madson de G. Pereira
Leonardo Sena Gomes TeixeiraLeonardo Sena Gomes Teixeira
Leonardo Sena Gomes Teixeira
MKMaria Das Graças Andrade An Korn
Maria Das Graças Andrade An Korn

1 June 2019 in Food Chemistry
Verified
Journal Article
Closed access
LPLuciane B. Paixão
Luciane B. Paixão
GBGeovani C. Brandão
Geovani C. Brandão
AAAlina Santana Oliveira Araujo
Alina Santana Oliveira Araujo
MKMaria Das Graças Andrade An Korn
Maria Das Graças Andrade An Korn

1 February 2016 in Food Chemistry
Verified
Journal Article
Closed access
FCFernanda Do N. Costa
Fernanda Do N. Costa
MKMaria Das Graças Andrade An Korn
Maria Das Graças Andrade An Korn
GBGeysa B. Brito
Geysa B. Brito
SFStacy Ferlin
Stacy Ferlin
AFAnne H. Fostier
Anne H. Fostier

1 February 2019 in Food Chemistry
Verified
Journal Article
Closed access
IBIsa dos S. Barbosa
Isa dos S. Barbosa
GBGeysa B. Brito
Geysa B. Brito
GSGabriel L. dos Santos
Gabriel L. dos Santos
LSLuana N. Santos
Luana N. Santos
Leonardo Sena Gomes TeixeiraLeonardo Sena Gomes Teixeira
Leonardo Sena Gomes Teixeira
MKMaria Das Graças Andrade An Korn
Maria Das Graças Andrade An Korn