Using isotopic dilution to assess chemical extraction of labile Ni, Cu, Zn, Cd and Pb in soils

Garforth, Judith M.; Bailey, Elizabeth H.; Tye, Andrew M.; Young, Scott D.; Lofts, Stephen

doi:10.1016/j.chemosphere.2016.04.096

Author Correction: Improving the efficacy of selenium fertilizers for wheat biofortification (2020)
Journal Article
Ramkissoon, C., Degryse, F., da Silva, R. C., Baird, R., Young, S. D., Bailey, E. H., & McLaughlin, M. J. (2020). Author Correction: Improving the efficacy of selenium fertilizers for wheat biofortification. Scientific Reports, 10(1), Article 16963. https://doi.org/10.1038/s41598-020-74207-5

Correction to: Scientific Reports https://doi.org/10.1038/s41598-019-55914-0, published online 20 December 2019

Increasing zinc concentration in maize grown under contrasting soil types in Malawi through agronomic biofortification: Trial protocol for a field experiment to detect small effect sizes (2020)
Journal Article
Botoman, L., Nalivata, P. C., Chimungu, J. G., Munthali, M. W., Bailey, E. H., Ander, E. L., …Broadley, M. R. (2020). Increasing zinc concentration in maize grown under contrasting soil types in Malawi through agronomic biofortification: Trial protocol for a field experiment to detect small effect sizes. Plant Direct, 4(10), Article e00277. https://doi.org/10.1002/pld3.277

The prevalence of micronutrient deficiencies including zinc (Zn) is widespread in Malawi, especially among poor and marginalized rural populations. This is due to low concentrations of Zn in most staple cereal crops and limited consumption of animal... Read More about Increasing zinc concentration in maize grown under contrasting soil types in Malawi through agronomic biofortification: Trial protocol for a field experiment to detect small effect sizes.

Agronomic iodine biofortification of leafy vegetables grown in Vertisols, Oxisols and Alfisols (2020)
Journal Article
Ligowe, I. S., Bailey, E. H., Young, S. D., Ander, E. L., Kabambe, V., Chilimba, A. .., …Nalivata, P. C. (2021). Agronomic iodine biofortification of leafy vegetables grown in Vertisols, Oxisols and Alfisols. Environmental Geochemistry and Health, 43, 361-374. https://doi.org/10.1007/s10653-020-00714-z

© 2020, The Author(s). Iodine deficiency disorders (IDD) in sub-Saharan African countries are related to low dietary I intake and generally combatted through salt iodisation. Agronomic biofortification of food crops may be an alternative approach. Th... Read More about Agronomic iodine biofortification of leafy vegetables grown in Vertisols, Oxisols and Alfisols.

Effect of soil properties on time-dependent fixation (ageing) of selenate (2020)
Journal Article
Ramkissoon, C., Degryse, F., Young, S., Bailey, E. H., & McLaughlin, M. J. (2021). Effect of soil properties on time-dependent fixation (ageing) of selenate. Geoderma, 383, Article 114741. https://doi.org/10.1016/j.geoderma.2020.114741

© 2020 Elsevier B.V. Previous biofortification studies have established that the residual effect of added selenium (Se) fertilisers on second-season crops is minimal. To explore the fate of exogenous Se in soil, chemical and biological methods were e... Read More about Effect of soil properties on time-dependent fixation (ageing) of selenate.

Site-Specific Factors Influence the Field Performance of a Zn-Biofortified Wheat Variety (2020)
Journal Article
Broadley, M. R., Ahmed, I., Zia, M. H., Zaman, M., Wilson, L., Joy, E. J., …Bailey, E. H. (2020). Site-Specific Factors Influence the Field Performance of a Zn-Biofortified Wheat Variety. Frontiers in Sustainable Food Systems, 4, Article 135. https://doi.org/10.3389/fsufs.2020.00135

© Copyright © 2020 Zia, Ahmed, Bailey, Lark, Young, Lowe, Joy, Wilson, Zaman and Broadley. Background: Biofortification of wheat with zinc (Zn) through breeding and agronomy can reduce Zn deficiencies and improve human health. “High-Zn” wheat varieti... Read More about Site-Specific Factors Influence the Field Performance of a Zn-Biofortified Wheat Variety.

Kinetics of uranium(VI) lability and solubility in aerobic soils (2020)
Journal Article
Izquierdo, M., Young, S., Bailey, E., Crout, N., Lofts, S., Chenery, S., & Shaw, G. (2020). Kinetics of uranium(VI) lability and solubility in aerobic soils. Chemosphere, 258, Article 127246. https://doi.org/10.1016/j.chemosphere.2020.127246

© 2020 Elsevier Ltd Uranium may pose a hazard to ecosystems and human health due to its chemotoxic and radiotoxic properties. The long half-life of many U isotopes and their ability to migrate raise concerns over disposal of radioactive wastes. This... Read More about Kinetics of uranium(VI) lability and solubility in aerobic soils.

Spatial prediction of the concentration of selenium (Se) in grain across part of Amhara Region, Ethiopia (2020)
Journal Article
Gashu, D., Lark, R., Milne, A., Amede, T., Bailey, E., Chagumaira, C., …McGrath, S. (2020). Spatial prediction of the concentration of selenium (Se) in grain across part of Amhara Region, Ethiopia. Science of the Total Environment, 733, Article 139231. https://doi.org/10.1016/j.scitotenv.2020.139231

Grain and soil were sampled across a large part of Amhara, Ethiopia in a study motivated by prior evidence of selenium (Se) deficiency in the Region's population. The grain samples (teff, Eragrostis tef, and wheat, Triticum aestivum) were analysed fo... Read More about Spatial prediction of the concentration of selenium (Se) in grain across part of Amhara Region, Ethiopia.

Assessment of chromium species dynamics in root solutions using isotope tracers (2020)
Journal Article
Hamilton, E. M., Young, S. D., Bailey, E. H., Humphrey, O. S., & Watts, M. J. (2020). Assessment of chromium species dynamics in root solutions using isotope tracers. Journal of Trace Elements in Medicine and Biology, 61, Article 126514. https://doi.org/10.1016/j.jtemb.2020.126514

© 2020 Background: Chromium (Cr) exists in the environment in two chemical forms; CrIII is an essential micronutrient for glucose and lipid metabolism, whereas CrVI is toxic and a recognised carcinogen through inhalation. Numerous studies have attemp... Read More about Assessment of chromium species dynamics in root solutions using isotope tracers.

Geographical and seasonal variation in Iodine content of cow’s milk in the UK and consequences for the consumer´s supply (2020)
Journal Article
Coneyworth, L. J., Welham, S. J., Coulthard, L. C., Bailey, E. H., Young, S. D., Stubberfield, J., …Homer, E. M. (2020). Geographical and seasonal variation in Iodine content of cow’s milk in the UK and consequences for the consumer´s supply. Journal of Trace Elements in Medicine and Biology, 59, Article 126453. https://doi.org/10.1016/j.jtemb.2020.126453

Background. Dairy products provide a crucial source of dietary iodine for the majority of the UK population, contributing approximately 30-40 % of daily intake. Fluctuations in the iodine content of purchased milk both seasonally and annually implies... Read More about Geographical and seasonal variation in Iodine content of cow’s milk in the UK and consequences for the consumer´s supply.

Can selenium deficiency in Malawi be alleviated through consumption of agro-biofortified maize flour? Study protocol for a randomised, double-blind, controlled trial (2019)
Journal Article
Joy, E. J., Kalimbira, A. A., Gashu, D., Ferguson, E. L., Sturgess, J., Dangour, A. D., …Allen, E. (2019). Can selenium deficiency in Malawi be alleviated through consumption of agro-biofortified maize flour? Study protocol for a randomised, double-blind, controlled trial. Trials, 20(1), Article 795. https://doi.org/10.1186/s13063-019-3894-2

© 2019 The Author(s). Background: Micronutrient deficiencies including selenium (Se) are widespread in Malawi and potentially underlie a substantial disease burden, particularly among poorer and marginalised populations. Concentrations of Se in stapl... Read More about Can selenium deficiency in Malawi be alleviated through consumption of agro-biofortified maize flour? Study protocol for a randomised, double-blind, controlled trial.

Using chemical fractionation and speciation to describe uptake of technetium, iodine and selenium by Agrostis capillaris and Lolium perenne (2019)
Journal Article
Wang, J., Bailey, E. H., Sanders, H. K., Izquierdo, M., Crout, N. M., Shaw, G., …Young, S. D. (2020). Using chemical fractionation and speciation to describe uptake of technetium, iodine and selenium by Agrostis capillaris and Lolium perenne. Journal of Environmental Radioactivity, 212, Article 106131. https://doi.org/10.1016/j.jenvrad.2019.106131

© 2019 Elsevier Ltd To understand the dynamic mechanisms governing soil-to-plant transfer of selenium (Se), technetium-99 (99Tc) and iodine (I), a pot experiment was undertaken using 30 contrasting soils after spiking with 77Se, 99Tc and 129I, and in... Read More about Using chemical fractionation and speciation to describe uptake of technetium, iodine and selenium by Agrostis capillaris and Lolium perenne.

Kinetics of 99Tc speciation in aerobic soils (2019)
Journal Article
Izquierdo, M., Bailey, E. H., Crout, N. M., Sanders, H. K., Young, S. D., & Shaw, G. G. (2020). Kinetics of 99Tc speciation in aerobic soils. Journal of Hazardous Materials, 388, Article 121762. https://doi.org/10.1016/j.jhazmat.2019.121762

© 2019 The Authors Technetium-99 is a significant and long-lived component of spent nuclear fuel relevant to long-term assessments of radioactive waste disposal. Whilst 99Tc behaviour in poorly aerated environments is well known, the long-term bioava... Read More about Kinetics of 99Tc speciation in aerobic soils.

Urine selenium concentration is a useful biomarker for assessing population level selenium status (2019)
Journal Article
Phiri, F. P., Ander, E. L., Lark, R. M., Bailey, E. H., Chilima, B., Gondwe, J., …Broadley, M. R. (2020). Urine selenium concentration is a useful biomarker for assessing population level selenium status. Environment International, 134, Article 105218. https://doi.org/10.1016/j.envint.2019.105218

Plasma selenium (Se) concentration is an established population level biomarker of Se status, especially in Se-deficient populations. Previously observed correlations between dietary Se intake and urinary Se excretion suggest that urine Se concentrat... Read More about Urine selenium concentration is a useful biomarker for assessing population level selenium status.

Chemical and isotopic fractionation of lead in the surface soils of Egypt (2019)
Journal Article
Shetaya, W. H., Marzouk, E. R., Mohamed, E. F., Bailey, E. H., & Young, S. D. (2019). Chemical and isotopic fractionation of lead in the surface soils of Egypt. Applied Geochemistry, 106, 7-16. https://doi.org/10.1016/j.apgeochem.2019.04.013

Chemical fractionation via sequential extraction (SEP) combined with isotopic analysis of Pb was used to investigate the origins and reactivity of Pb in 66 topsoil samples collected from 12 different locations in Egypt. The total soil Pb concentratio... Read More about Chemical and isotopic fractionation of lead in the surface soils of Egypt.

The risk of selenium deficiency in Malawi is large and varies over multiple spatial scales (2019)
Journal Article
Phiri, F. P., Ander, E. L., Bailey, E. H., Chilima, B., Chilimba, A. D. C., Gondwe, J., …Broadley, M. R. (2019). The risk of selenium deficiency in Malawi is large and varies over multiple spatial scales. Scientific Reports, 9(1), Article 6566. https://doi.org/10.1038/s41598-019-43013-z

Selenium (Se) is an essential human micronutrient. Deficiency of Se decreases the activity of selenoproteins and can compromise immune and thyroid function and cognitive development, and increase risks from non-communicable diseases. The prevalence o... Read More about The risk of selenium deficiency in Malawi is large and varies over multiple spatial scales.

Optimisation of a current generation ICP-QMS and benchmarking against MC-ICP-MS spectrometry for the determination of lead isotope ratios in environmental samples (2018)
Journal Article
Usman, A., Ander, E. L., Bailey, E. H., Nelms, S., Pashley, V., Young, S. D., & Chenery, S. R. (2018). Optimisation of a current generation ICP-QMS and benchmarking against MC-ICP-MS spectrometry for the determination of lead isotope ratios in environmental samples. Journal of Analytical Atomic Spectrometry, 33(12), 2184-2194. https://doi.org/10.1039/c8ja00290h

© 2018 The Royal Society of Chemistry. Novel ANOVA methodology was used to benchmark ICP-QMS against MC-ICP-MS for Pb isotope ratios, demonstrating "fitness-for-purpose" in environmental source apportionment. The precision and accuracy of lead (Pb)... Read More about Optimisation of a current generation ICP-QMS and benchmarking against MC-ICP-MS spectrometry for the determination of lead isotope ratios in environmental samples.

Impact of environmental radiation on the health and reproductive status of fish from Chernobyl (2018)
Journal Article
Lerebours, A., Gudkov, D., Nagorskaya, L., Kaglyan, A., Rizewski, V., Leshchenko, A., …Smith, J. T. (2018). Impact of environmental radiation on the health and reproductive status of fish from Chernobyl. Environmental Science and Technology, 52(16), 9442-9450. https://doi.org/10.1021/acs.est.8b02378

© 2018 American Chemical Society. Aquatic organisms at Chernobyl have now been chronically exposed to environmental radiation for three decades. The biological effects of acute exposure to radiation are relatively well documented, but much less is kn... Read More about Impact of environmental radiation on the health and reproductive status of fish from Chernobyl.

Lead in Egyptian soils: Origin, reactivity and bioavailability measured by stable isotope dilution (2017)
Journal Article
Shetaya, W. H., Marzouk, E. R., Mohamed, E. F., Elkassas, M., Bailey, E. H., & Young, S. D. (2018). Lead in Egyptian soils: Origin, reactivity and bioavailability measured by stable isotope dilution. Science of the Total Environment, 618, 460-468. https://doi.org/10.1016/j.scitotenv.2017.11.040

© 2017 Elsevier B.V. The current availability of Pb in Egyptian soils and associated plants were studied in 15 locations (n = 159) that had been historically subjected to industrial and automobile Pb emissions. Isotopic dilution with enriched 204Pb w... Read More about Lead in Egyptian soils: Origin, reactivity and bioavailability measured by stable isotope dilution.

Effects of incubation time and filtration method on Kd of indigenous selenium and iodine in temperate soils (2017)
Journal Article
Al Mahayni, T., Bailey, E. H., Crout, N. M., & Shaw, G. (2017). Effects of incubation time and filtration method on Kd of indigenous selenium and iodine in temperate soils. Journal of Environmental Radioactivity, 177, 84-90. https://doi.org/10.1016/j.jenvrad.2017.06.004

In this study, the effects of incubation time and the method of soil solution extraction and filtration on the empirical distribution coefficient (Kd) obtained by de-sorbing indigenous selenium (Se) and iodine (I) from arable and woodland soils under... Read More about Effects of incubation time and filtration method on Kd of indigenous selenium and iodine in temperate soils.

Using isotopic dilution to assess chemical extraction of labile Ni, Cu, Zn, Cd and Pb in soils (2016)
Journal Article
Garforth, J. M., Bailey, E. H., Tye, A. M., Young, S. D., & Lofts, S. (2016). Using isotopic dilution to assess chemical extraction of labile Ni, Cu, Zn, Cd and Pb in soils. Chemosphere, 155, https://doi.org/10.1016/j.chemosphere.2016.04.096

Chemical extractants used to measure labile soil metal must ideally select for and solubilise the labile fraction, with minimal solubilisation of non-labile metal. We assessed four extractants (0.43 M HNO3, 0.43 M CH3COOH, 0.05 M Na2H2EDTA and 1 M Ca... Read More about Using isotopic dilution to assess chemical extraction of labile Ni, Cu, Zn, Cd and Pb in soils.

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