1
|
Hotta H, Mori T, Takahashi A, Kogure Y, Johno K, Umemura T, Tsunoda KI. Quantification of Trace Elements in Natural Samples by Electrospray Ionization Mass Spectrometry with a Size-Exclusion Column Based on the Formation of Metal−Aminopolycarboxylate Complexes. Anal Chem 2009; 81:6357-63. [DOI: 10.1021/ac9006842] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hiroki Hotta
- Department of Chemistry and Chemical Biology, Gunma University, Tenjin-cho, Kiryu 376-8515, Japan, and Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Takayuki Mori
- Department of Chemistry and Chemical Biology, Gunma University, Tenjin-cho, Kiryu 376-8515, Japan, and Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Akira Takahashi
- Department of Chemistry and Chemical Biology, Gunma University, Tenjin-cho, Kiryu 376-8515, Japan, and Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Yuta Kogure
- Department of Chemistry and Chemical Biology, Gunma University, Tenjin-cho, Kiryu 376-8515, Japan, and Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Keita Johno
- Department of Chemistry and Chemical Biology, Gunma University, Tenjin-cho, Kiryu 376-8515, Japan, and Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Tomonari Umemura
- Department of Chemistry and Chemical Biology, Gunma University, Tenjin-cho, Kiryu 376-8515, Japan, and Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Kin-ichi Tsunoda
- Department of Chemistry and Chemical Biology, Gunma University, Tenjin-cho, Kiryu 376-8515, Japan, and Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| |
Collapse
|
2
|
Chekmeneva E, Prohens R, Díaz-Cruz JM, Ariño C, Esteban M. Competitive binding of Cd and Zn with the phytochelatin (gamma-Glu-Cys)4-Gly: comparative study by mass spectrometry, voltammetry-multivariate curve resolution, and isothermal titration calorimetry. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2008; 42:2860-2866. [PMID: 18497135 DOI: 10.1021/es702725a] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The competitive binding of Cd2+ and Zn2+ by the phytochelatin (gamma-Glu-Cys)4-Gly (PC4) has been examined using several techniques. Electrospray ionization mass spectrometry is used to determine the stoichiometries of the complexes, while voltammetric data analyzed by multivariate curve resolution with alternating least squares allows one to not only trace the displacement induced by Cd2+ or Zn2+ in the binding of Zn2+ or Cd2+, respectively, by PC4, but also to obtain a complete overview of the processes involved. Isothermal titration calorimetry is used to determine the related binding and thermodynamic parameters. Results obtained via these different techniques are compared and discussed below. The formation of ternary CdZn(PC4) and Cd2Zn(PC4) complexes was observed.
Collapse
Affiliation(s)
- Elena Chekmeneva
- Departament de Química Analítica, Facultat de Química and Unitat de Química Fina, Serveis Científico. Tècnics, Universitat de Barcelona Martí i Franquès, 1-11, E - 08028 Barcelona, Spain
| | | | | | | | | |
Collapse
|
3
|
Chekmeneva E, Prohens R, Díaz-Cruz JM, Ariño C, Esteban M. Thermodynamics of Cd2+ and Zn2+ binding by the phytochelatin (γ-Glu-Cys)4-Gly and its precursor glutathione. Anal Biochem 2008; 375:82-9. [DOI: 10.1016/j.ab.2008.01.008] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2007] [Revised: 12/18/2007] [Accepted: 01/04/2008] [Indexed: 10/22/2022]
|
4
|
Cabañero AI, Madrid Y, Cámara C. Mercury-selenium species ratio in representative fish samples and their bioaccessibility by an in vitro digestion method. Biol Trace Elem Res 2007; 119:195-211. [PMID: 17916943 DOI: 10.1007/s12011-007-8007-5] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/1999] [Revised: 11/30/1999] [Accepted: 11/30/1999] [Indexed: 11/27/2022]
Abstract
The potential toxicity of mercury (Hg) content in fish has been widely evaluated by the scientific community, with Methylmercury (MeHg) being the only legislated species (1 mg kg-1, maximum concentration allowed in predatory fish). On the other hand, selenium (Se) is recognized to decrease its toxicity when both elements are simultaneously administrated. In the present paper, the total content of Se and Hg and their species in fish of high consumption, such as tuna, swordfish, and sardine, have been evaluated. The percentage of MeHg is higher than 90% of total Hg content. The results show that, for all of them, the Se/Hg ratio is significantly higher than one, being the maximum ratio for sardine. As only studying the bioaccessible fraction the extent of a toxic effect caused by an element can be predicted, the bioaccessibility of both analytes through an in vitro digestion method has been carried out. The results show that MeHg in all fishes is very low bioaccessible in both gastric and intestinal digestion. Because the MeHg bioaccessible fraction might be correlated to the Se content, the potential toxicity cannot be only related to the total Hg content but also to Se/Hg ratio.
Collapse
Affiliation(s)
- Ana I Cabañero
- Departamento de Química Analítica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain
| | | | | |
Collapse
|
5
|
Andón B, Barbosa J, Sanz-Nebot V. Separation and characterization of rabbit liver apothioneins by capillary electrophoresis coupled to electrospray ionization time-of-flight mass spectrometry. Electrophoresis 2006; 27:3661-70. [PMID: 16927421 DOI: 10.1002/elps.200500168] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The present study establishes a method for the separation and characterization of rabbit liver metallothionein (MT) subisoforms by capillary electrophoresis coupled to electrospray ionization time-of-flight mass spectrometry (CE-ESI-TOF-MS) via a sheath-flow interface. Directly coupled-CE-MS enables the extraction of specific molecular weight information and thereby facilitates the identification of peaks when no reference materials are available, as in the case of MT subisoforms. The analysis described here revealed the presence of the apothioneins MT-1a, MT-2d, and MT-2e, belonging to MT-I sample, and MT-2a, MT-2b, and MT-2c, belonging to MT-II. Several non-N-acetylated forms were also detected as traces appearing with their respective acetylated forms in both samples. Similar results were found when MALDI-TOF experiments were performed, identifying all the sequenced rabbit liver MTs as apo-MT-forms, as in the CE-ESI-MS coupling.
Collapse
Affiliation(s)
- Balbina Andón
- Departament Química Analítica, Facultat de Química, Universitat de Barcelona, Barcelona, Spain
| | | | | |
Collapse
|
6
|
Lobiński R, Schaumlöffel D, Szpunar J. Mass spectrometry in bioinorganic analytical chemistry. MASS SPECTROMETRY REVIEWS 2006; 25:255-89. [PMID: 16273552 DOI: 10.1002/mas.20069] [Citation(s) in RCA: 90] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
A considerable momentum has recently been gained by in vitro and in vivo studies of interactions of trace elements in biomolecules due to advances in inductively coupled plasma mass spectrometry (ICP MS) used as a detector in chromatography and capillary and planar electrophoresis. The multi-isotopic (including non-metals such as S, P, or Se) detection capability, high sensitivity, tolerance to matrix, and large linearity range regardless of the chemical environment of an analyte make ICP MS a valuable complementary technique to electrospray MS and MALDI MS. This review covers different facets of the recent progress in metal speciation in biochemistry, including probing in vitro interactions between metals and biomolecules, detection, determination, and structural characterization of heteroatom-containing molecules in biological tissues, and protein monitoring and quantification via a heteroelement (S, Se, or P) signal. The application areas include environmental chemistry, plant and animal biochemistry, nutrition, and medicine.
Collapse
Affiliation(s)
- Ryszard Lobiński
- Equipe de Chimie Analytique Bio-Inorganique, CNRS UMR 5034, Hélioparc, 2, av. du Pr. Angot, F-64053 Pau, France.
| | | | | |
Collapse
|
7
|
Bresson C, Colin C, Chartier F, Moulin C. Cobalt speciation study in the cobalt-cysteine system by electrospray ionization mass spectrometry and anion-exchange chromatography inductively coupled plasma atomic emission spectrometry. APPLIED SPECTROSCOPY 2005; 59:696-705. [PMID: 15969817 DOI: 10.1366/0003702053945912] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
This paper describes the ability of the combination of electrospray ionization mass spectrometry (ESI-MS) and anion-exchange chromatography coupled with inductively coupled plasma atomic emission spectrometry (AEC-ICP-AES) for cobalt speciation study in the binary cobalt-cysteine system. ESI-MS, allowing the identification and the characterization of the analytes, is used as a technique complementary to AEC-ICP-AES, providing elemental information on the separated species. The methods have been developed through the study of samples containing Co2+ and 1-fold to 5-fold molar ratios of cysteine over a pH range 2.5 to 11. In each case, cobalt-cysteine complexes were characterized by ESI-MS in negative ion mode. AEC-ICP-AES allowed further separation and detection of the cobalt species previously characterized. The strong influence of pH and ligand-to-metal ratios on the nature and stoichiometry of the species is demonstrated. For the first time, a direct experimental speciation diagram of cobalt species has been established owing to these analytical techniques. This work is a promising basis for the speciation analysis of cobalt, since a good knowledge of cobalt speciation is of prime importance to better understanding its fate in biological and environmental media.
Collapse
Affiliation(s)
- Carole Bresson
- CEA Saclay-DEN/DPC/SECR/LSRM, 91191 Gif sur Yvette, France.
| | | | | | | |
Collapse
|
8
|
Szpunar J. Advances in analytical methodology for bioinorganic speciation analysis: metallomics, metalloproteomics and heteroatom-tagged proteomics and metabolomics. Analyst 2005; 130:442-65. [PMID: 15776152 DOI: 10.1039/b418265k] [Citation(s) in RCA: 248] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The recent developments in analytical techniques capable of providing information on the identity and quantity of heteroatom-containing biomolecules are critically discussed. Particular attention is paid to the emerging areas of bioinorganic analysis including: (i) a comprehensive analysis of the entirety of metal and metalloid species within a cell or tissue type (metallomics), (ii) the study of the part of the metallome involving the protein ligands (metalloproteomics), and (iii) the use of a heteroelement, naturally present in a protein or introduced in a tag added by means of derivatisation, for the spotting and quantification of proteins (heteroatom-tagged proteomics). Inductively coupled plasma mass spectrometry (ICP MS), used as detector in chromatography and electrophoresis, and supported by electrospray and MALDI MS, appears as the linchpin analytical technique for these emerging areas. This review focuses on the recent advances in ICP MS in biological speciation analysis including sensitive detection of non-metals, especially of sulfur and phosphorus, couplings to capillary and nanoflow HPLC and capillary electrophoresis, laser ablation ICP MS detection of proteins in gel electrophoresis, and isotope dilution quantification of biomolecules. The paper can be considered as a followup of a previous review by the author on a similar topic (J. Szpunar, Analyst, 2000, 125, 963).
Collapse
Affiliation(s)
- Joanna Szpunar
- Equipe de Chimie Analytique Bio-inorganique, CNRS UMR 5034, Helioparc, 2, av. Pr. Angot, F-64053 Pau, France.
| |
Collapse
|
9
|
Cabañero AI, Madrid Y, Cámara C. Enzymatic probe sonication extraction of Se in animal-based food samples: a new perspective on sample preparation for total and Se speciation analysis. Anal Bioanal Chem 2004; 381:373-9. [PMID: 15372134 DOI: 10.1007/s00216-004-2798-4] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2004] [Revised: 07/29/2004] [Accepted: 07/30/2004] [Indexed: 11/25/2022]
Abstract
This paper describes a fast, simple and novel extraction method for total selenium and selenium species determination in food samples. Parameters influencing extraction, such as sonication time, extracting media, temperature, sample mass, ultrasound amplitude and sample/enzyme mass ratio were investigated. The enzymatic hydrolysis proposed, enhanced by probe sonication, allowed the quantitative extraction of selenium in chicken muscle, liver, kidney and feed (97, 93, 95 and 102%, respectively) in 2 min, maintaining the original Se-species integrity. Total Se content of the samples was determined using inductively coupled plasma mass spectrometry. Se-species were identified and quantified using high-performance liquid chromatography in conjunction with inductively coupled plasma mass spectrometry. Chromatographic analyses were carried out under two chromatographic conditions and led to the identification of SeMet in all samples. The accuracy of the proposed method was assessed using certified reference materials as well as microwave digestion. Potential advantages of the proposed method over traditional hydrolysis are speed, simplicity and safety of the procedure.
Collapse
Affiliation(s)
- Ana I Cabañero
- Departamento de Química Analítica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain
| | | | | |
Collapse
|
10
|
Hagège A, Baldinger T, Martin-Jouet M, Zal F, Leroy M, Leize E, Dorsselaer AV. Assessment of the contribution of inductively coupled plasma mass spectrometry to metalloprotein analysis: a novel approach for studies of multiproteic complexes. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2004; 18:735-738. [PMID: 15052589 DOI: 10.1002/rcm.1395] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
|