FIND

researchers

DISCOVER

relevant articles

PROMOTE

your research

now for free

Thomas Walczyk

Research Profile

Chemicals & Drugs

Physiology

Intestinal Absorption

Concepts & Ideas

Biological Availability

Objects

Procedures

Anatomy

Disorders

Iron-Deficiency Anemias

Phenomena

Absorption

Co-author Network

Publications

TOP 3
Gina Chew; Thomas Walczyk
Measurement of isotope abundance variations in nature by gravimetric spiking isotope dilution analysis (GS-IDA).
Jie-Hua Chen; Wei-Yi Ong; Shahreena Shahnavas; Nadia Singh; Thomas Walczyk
Stable iron isotope tracing reveals significant brain iron uptake in adult rats.
Karin Hotz; Thomas Walczyk
Natural iron isotopic composition of blood is an indicator of dietary iron absorption efficiency in humans.

Register for free to view:

Visualized networks:

See your personal network in
sophisticated graphical views

GeoTargeted Searches:

Locate experts around the world
and connect with global collaborators

Research Profiles:

See the research activity
of experts around the globe

Geonetwork of Thomas Walczyk (preview)

Cities where this author has publications
Cities where co-authors of this author have publications

Flash Player Required

All Publications

2013: Gina Chew; Thomas Walczyk
Measurement of isotope abundance variations in nature by gravimetric spiking isotope dilution analysis (GS-IDA).
Analytical chemistry 2013;85(7):3667-73.
2013: Jie-Hua Chen; Wei-Yi Ong; Shahreena Shahnavas; Nadia Singh; Thomas Walczyk
Stable iron isotope tracing reveals significant brain iron uptake in adult rats.
Metallomics : integrated biometal science 2013;5(2):167-73.
2013: Karin Hotz; Thomas Walczyk
Natural iron isotopic composition of blood is an indicator of dietary iron absorption efficiency in humans.
Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry 2013;18(1):1-7.
2012: Gina Chew; Thomas Walczyk
A Monte Carlo approach for estimating measurement uncertainty using standard spreadsheet software.
Analytical and bioanalytical chemistry 2012;402(7):2463-9.
2012: Karin Hotz; Pierre-Alexandre Krayenbuehl; Thomas Walczyk
Mobilization of storage iron is reflected in the iron isotopic composition of blood in humans.
Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry 2012;17(2):301-9.
2011: M Harrington; C Hotz; Christophe Zeder; G O Polvo; S Villalpando; Michael B Zimmermann; Thomas Walczyk; J A Rivera; Richard F Hurrell
A comparison of the bioavailability of ferrous fumarate and ferrous sulfate in non-anemic Mexican women and children consuming a sweetened maize and milk drink.
European journal of clinical nutrition 2011;65(1):20-5.
2010: Nicolai Petry; Ines Egli; Christophe Zeder; Thomas Walczyk; Richard F Hurrell
Polyphenols and phytic acid contribute to the low iron bioavailability from common beans in young women.
The Journal of nutrition 2010;140(11):1977-82.
2009: Matthias Hoppler; Christophe Zeder; Thomas Walczyk
Quantification of ferritin-bound iron in plant samples by isotope tagging and species-specific isotope dilution mass spectrometry.
Analytical chemistry 2009;81(17):7368-72.
2009: Jette Jakobsen; Anette Bysted; Rikke Andersen; Teressa Bennett; Christine Brot; Susanne Bügel; Kevin D Cashman; Eberhard Denk; Mary Harrington; Birgit Teucher; Thomas Walczyk; Lars Ovesen
Vitamin D status assessed by a validated HPLC method: within and between variation in subjects supplemented with vitamin D3.
Scandinavian journal of clinical and laboratory investigation 2009;69(2):190-7.
2008: Matthias Hoppler; Andrea Schönbächler; Leo Meile; Richard F Hurrell; Thomas Walczyk
Ferritin-iron is released during boiling and in vitro gastric digestion.
The Journal of nutrition 2008;138(5):878-84.
2008: Prashanth Thankachan; Thomas Walczyk; Sumithra Muthayya; Anura V Kurpad; Richard F Hurrell
Iron absorption in young Indian women: the interaction of iron status with the influence of tea and ascorbic acid.
The American journal of clinical nutrition 2008;87(4):881-6.
2008: S Storcksdieck genannt Bonsmann; Thomas Walczyk; S Renggli; Richard F Hurrell
Oxalic acid does not influence nonhaem iron absorption in humans: a comparison of kale and spinach meals.
European journal of clinical nutrition 2008;62(3):336-41.
2008: Matthias Hoppler; Leo Meile; Thomas Walczyk
Biosynthesis, isolation and characterization of 57Fe-enriched Phaseolus vulgaris ferritin after heterologous expression in Escherichia coli.
Analytical and bioanalytical chemistry 2008;390(1):53-9.
2007: Eberhard Denk; Darren Hillegonds; Richard F Hurrell; John Vogel; Karin Fattinger; Hans Jörg Häuselmann; Marius Kraenzlin; Thomas Walczyk
Evaluation of 41calcium as a new approach to assess changes in bone metabolism: effect of a bisphosphonate intervention in postmenopausal women with low bone mass.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 2007;22(10):1518-25.
2007: Prashanth Thankachan; Sumithra Muthayya; Thomas Walczyk; Anura V Kurpad; Richard F Hurrell
An analysis of the etiology of anemia and iron deficiency in young women of low socioeconomic status in Bangalore, India.
Food and nutrition bulletin 2007;28(3):328-36.
2007: Stefan Storcksdieck genannt Bonsmann; Thomas Walczyk; Sabine Renggli; Richard F Hurrell
Nonheme iron absorption in young women is not influenced by purified sulfated and unsulfated glycosaminoglycans.
The Journal of nutrition 2007;137(5):1161-4.
2006: Siriporn Tuntipopipat; Kunchit Judprasong; Christophe Zeder; Emorn Wasantwisut; Pranee Winichagoon; Somsri Charoenkiatkul; Richard F Hurrell; Thomas Walczyk
Chili, but not turmeric, inhibits iron absorption in young women from an iron-fortified composite meal.
The Journal of nutrition 2006;136(12):2970-4.
2006: E Denk; D Hillegonds; J Vogel; A Synal; Christopher Geppert; Klaus Wendt; Karin Fattinger; C Hennessy; M Berglund; R F Hurrell; Thomas Walczyk
Labeling the human skeleton with 41Ca to assess changes in bone calcium metabolism.
Analytical and bioanalytical chemistry 2006;386(6):1587-602.
2006: Diego Moretti; Michael B Zimmermann; Rita Wegmüller; Thomas Walczyk; Christophe Zeder; Richard F Hurrell
Iron status and food matrix strongly affect the relative bioavailability of ferric pyrophosphate in humans.
The American journal of clinical nutrition 2006;83(3):632-8.
2006: Monika K Wälti; Thomas Walczyk; Michael B Zimmermann; G Fortunato; M Weber; Giatgen A Spinas; Richard F Hurrell
Urinary excretion of an intravenous 26Mg dose as an indicator of marginal magnesium deficiency in adults.
European journal of clinical nutrition 2006;60(2):147-54.
2005: Pierre-Alexandre Krayenbuehl; Thomas Walczyk; Ronny Schoenberg; Friedhelm von Blanckenburg; Georg Schulthess
Hereditary hemochromatosis is reflected in the iron isotope composition of blood.
Blood 2005;105(10):3812-6.
2005: Thomas Walczyk; S Tuntipopipat; Christophe Zeder; P Sirichakwal; Emorn Wasantwisut; Richard F Hurrell
Iron absorption by human subjects from different iron fortification compounds added to Thai fish sauce.
European journal of clinical nutrition 2005;59(5):668-74.
2005: Lena Davidsson; Ekhard E Ziegler; Christophe Zeder; Thomas Walczyk; Richard F Hurrell
Sodium iron EDTA [NaFe(III)EDTA] as a food fortificant: erythrocyte incorporation of iron and apparent absorption of zinc, copper, calcium, and magnesium from a complementary food based on wheat and soy in healthy infants.
The American journal of clinical nutrition 2005;81(1):104-9.
2004: Meredith Fidler; Lena Davidsson; Christophe Zeder; Thomas Walczyk; Irene Marti; Richard F Hurrell
Effect of ascorbic acid and particle size on iron absorption from ferric pyrophosphate in adult women.
International journal for vitamin and nutrition research. Internationale Zeitschrift für Vitamin- und Ernährungsforschung. Journal international de vitaminologie et de nutrition 2004;74(4):294-300.
2004: Shafiqul Alam Sarker; Lena Davidsson; Hasan Mahmud; Thomas Walczyk; Richard F Hurrell; Niklaus Gyr; George J Fuchs
Helicobacter pylori infection, iron absorption, and gastric acid secretion in Bangladeshi children.
The American journal of clinical nutrition 2004;80(1):149-53.
2004: Ines Egli; Lena Davidsson; Christophe Zeder; Thomas Walczyk; Richard F Hurrell
Dephytinization of a complementary food based on wheat and soy increases zinc, but not copper, apparent absorption in adults.
The Journal of nutrition 2004;134(5):1077-80.
2004: Torsten Bohn; Lena Davidsson; Thomas Walczyk; Richard F Hurrell
Fractional magnesium absorption is significantly lower in human subjects from a meal served with an oxalate-rich vegetable, spinach, as compared with a meal served with kale, a vegetable with a low oxalate content.
The British journal of nutrition 2004;91(4):601-6.
2004: Torsten Bohn; Lena Davidsson; Thomas Walczyk; Richard F Hurrell
Phytic acid added to white-wheat bread inhibits fractional apparent magnesium absorption in humans.
The American journal of clinical nutrition 2004;79(3):418-23.
2004: Torsten Bohn; Thomas Walczyk
Determination of chlorophyll in plant samples by liquid chromatography using zinc-phthalocyanine as an internal standard.
Journal of chromatography. A 2004;1024(1-2):123-8.
2004: Torsten Bohn; Thomas Walczyk; Lena Davidsson; Wolfgang Pritzkow; Patrick Klingbeil; Jochen Vogl; Richard F Hurrell
Comparison of urinary monitoring, faecal monitoring and erythrocyte analysis of stable isotope labels to determine magnesium absorption in human subjects.
The British journal of nutrition 2004;91(1):113-20.
2004: Meredith Fidler; Thomas Walczyk; Lena Davidsson; Christophe Zeder; Noboru Sakaguchi; Lekh Raj Juneja; Richard F Hurrell
A micronised, dispersible ferric pyrophosphate with high relative bioavailability in man.
The British journal of nutrition 2004;91(1):107-12.
2004: Thomas Walczyk
TIMS versus multicollector-ICP-MS: coexistence or struggle for survival?
Analytical and bioanalytical chemistry 2004;378(2):229-31.
2003: Meredith Fidler; Lena Davidsson; Christophe Zeder; Thomas Walczyk; Richard F Hurrell
Iron absorption from ferrous fumarate in adult women is influenced by ascorbic acid but not by Na2EDTA.
The British journal of nutrition 2003;90(6):1081-5.
2003: Monika K Wälti; Michael B Zimmermann; Thomas Walczyk; Giatgen A Spinas; Richard F Hurrell
Measurement of magnesium absorption and retention in type 2 diabetic patients with the use of stable isotopes.
The American journal of clinical nutrition 2003;78(3):448-53.
2003: Lena Davidsson; Pierre Adou; Christophe Zeder; Thomas Walczyk; Richard F Hurrell
The effect of retinyl palmitate added to iron-fortified maize porridge on erythrocyte incorporation of iron in African children with vitamin A deficiency.
The British journal of nutrition 2003;90(2):337-43.
2003: Meredith Fidler; Lena Davidsson; Thomas Walczyk; Richard F Hurrell
Iron absorption from fish sauce and soy sauce fortified with sodium iron EDTA.
The American journal of clinical nutrition 2003;78(2):274-8.
2003: Thomas Walczyk; Lena Davidsson; Lena Rossander-Hulthen; Leif Hallberg; Richard F Hurrell
No enhancing effect of vitamin A on iron absorption in humans.
The American journal of clinical nutrition 2003;77(1):144-9.
2002: Thomas Walczyk; Andy Coward; Dale A Schoeller; Tom Preston; Jack Dainty; Judith R Turnlund; Venkatesh Iyengar
Stable isotope techniques in human nutrition research: concerted action is needed.
Food and nutrition bulletin 2002;23(3 Suppl):69-75.
2002: Thomas Walczyk; Friedhelm von Blanckenburg
Natural iron isotope variations in human blood.
Science (New York, N.Y.) 2002;295(5562):2065-6.
2002: Lena Davidsson; Triantafillia Dimitriou; ERICK BOY; Thomas Walczyk; Richard F Hurrell
Iron bioavailability from iron-fortified Guatemalan meals based on corn tortillas and black bean paste.
The American journal of clinical nutrition 2002;75(3):535-9.
2001: Thomas Walczyk
The potential of inorganic mass spectrometry in mineral and trace element nutrition research.
Fresenius' journal of analytical chemistry 2001;370(5):444-53.
2001: Lena Davidsson; Thomas Walczyk; N Zavaleta; Richard F Hurrell
Improving iron absorption from a Peruvian school breakfast meal by adding ascorbic acid or Na2EDTA.
The American journal of clinical nutrition 2001;73(2):283-7.
2001: Lena Davidsson; Triantafillia Dimitriou; Thomas Walczyk; Richard F Hurrell
Iron absorption from experimental infant formulas based on pea (Pisum sativum)-protein isolate: the effect of phytic acid and ascorbic acid.
The British journal of nutrition 2001;85(1):59-63.
1998: M D Engelmann; Lena Davidsson; Brittmarie Sandström; Thomas Walczyk; R F Hurrell; Kim Michaelsen
The influence of meat on nonheme iron absorption in infants.
Pediatric research 1998;43(6):768-73.
1998: Lena Davidsson; Thomas Walczyk; A Morris; Richard F Hurrell
Influence of ascorbic acid on iron absorption from an iron-fortified, chocolate-flavored milk drink in Jamaican children.
The American journal of clinical nutrition 1998;67(5):873-7.