Last edited by Kagar
Saturday, August 1, 2020 | History

3 edition of Diagnostic usefulness of trace elements in human hair found in the catalog.

Diagnostic usefulness of trace elements in human hair

Jeffrey Bland

Diagnostic usefulness of trace elements in human hair

by Jeffrey Bland

  • 90 Want to read
  • 5 Currently reading

Published by Northwest Diagnostic Services in Bellevue, WA .
Written in English

    Subjects:
  • Hair -- analysis

  • Edition Notes

    Statementby Jeffrey Bland.
    The Physical Object
    Pagination58 p. ;
    Number of Pages58
    ID Numbers
    Open LibraryOL14761019M
    OCLC/WorldCa23110213

    Additional Physical Format: Online version: Valković, V. Human hair. Boca Raton, Fla.: CRC Press, © (OCoLC) Document Type: Book: All Authors.   Objective: The objective of this study was to assess the levels of ten toxic metals and essential elements in hair samples of children with autism, and to correlate the level of these elements with the severity of autism. Method: The participants were 44 children, age 3 to 9 years, with Autistic Spectrum Disorder (ASD) according to Diagnostic and Statistical Manual of Mental Disorders 4th.

    COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.   Epidemiological studies have suggested a possible role of trace elements (TE) in the etiology of several neurological diseases including Multiple Sclerosis (MS). Hair analysis provides an easy tool to quantify TE in human subjects, including patients with neurodegenerative diseases.

    Trace Elements does not resort to rolling out one "breakthrough" product after another; only to be canceled and forgotten shortly thereafter. Although our product line may not be extensive, the products are unequaled and uniquely designed to obtain the maximum appropriate response within a deliberate and efficacious Hair Tissue Mineral Analysis. Concentrations of most elements in the hair are significantly higher than found in the blood and other tissues. Hair provides a record of past as well as present trace element levels, i.e. biological activity. Hair provides information of substances entering the hair from .


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Diagnostic usefulness of trace elements in human hair by Jeffrey Bland Download PDF EPUB FB2

Usefulness of measurements of trace elements In hair ANDREW TAYLOR Fro. the Supra-Regional Trace Element Laboratory, Robens Institute of Industrial and Environmental Health and Safety, University of Surrey, Guildford, Surrey GU2 5XH, UK Elemental analysis of hair might seem to be an attractive approach to the assessment of trace element status.

Part 1, accounting for approximately one third of the book, has its principal value in the definition of techniques and methods for the analysis of trace elements and metals in hair.

Some studies in this part include data on the scalp hair content of some materials (eg, arsenic, lead, and mercury, among others), which are correlated with the donors' estimated environmental exposures to Author: Eugene Van Scott. Taylor A. Usefulness of measurements of trace elements in hair.

Ann Clin Biochem. Jul; 23 (Pt 4)– Creason JP, Hinners TA, Bumgarner JE, Pinkerton C. Trace elements in hair, as related to exposure in metropolitan New York. Clin Chem. Apr; 21 (4)– MacDonald LD, Gibson RS, Miles by: profiles of 12 elements in single strands of human hair, namely, Ag, As, Au, Cd, Cu, Hg, Fe, Pb, Se, Sr, U and Zn.

We have shown that trace element analysis along single strands of human hair can yield information about essential and toxic elements, and for some elements, can be correlated with seasonal changes in diet and exposure. The information. Trace elements in human hair: An international comparison Article (PDF Available) in Bulletin of Environmental Contamination and Toxicology 36(6) July with Reads.

Human hair (trace elements) ERM® certified Reference Material; find null-ERMDB MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich. ment in trace metal analysis of hair samples is important to the validity and usefulness of the test.

Literature reviews well characterize ana-lytical considerations and limitations of trace metal analysis in a variety of clinical samples. Biological trace element analy. Concentrations of the essential elements magnesium, zinc, copper, cobalt and chromium in hair did not decline with age in men, and were maintained in women after age Nickel, cadmium and lead did not accumulate with age.

It is doubtful that concentrations of these trace metals in hair reflect tissue stores under normal conditions. References 1. Human hair, a noninvasive biological material could serve as the best sample for the diagnosis of various disorders.

Hair contain some essential as well as non-essential trace metals, amino acids, proteins, hormones, vitamins and other useful metabolities.

Studies have linked the associations of all the above parameters to the. Trace elements play a crucial role in many biochemical processes, mainly as components of vitamins and enzymes. Although small amounts of metal ions have protective properties, excess metal levels result in oxidative injury, which is why metal ion homeostasis is crucial for the proper functioning of the brain.

The changes of their level in the brain have been proven to be a risk factor for. Hair Mineral Analysis to define past and/or chronic exposures - a research update Hair mineral analysis (HMA) reflects how efficiently the root was nourished (or intoxicated) via the blood stream.

As long as metals circulate, hair tissue will be supplied. This feeding and storing mechanism continues over time. The majority of methods established for the analysis of trace metals in human hair liave Clin.

Chim. Ada, 23 () 84 HARRISON et al. been of a forensic nature using neutron activation analysis. Perkons and Jervis* reported the presence of 18 different trace elements and their concentrations in human hair.

Hair or nail testing can detect chronic or past exposures of >3 weeks and is most useful in determining time of exposure. Hair is a poor specimen type for assessing arsenic exposure at low or moderate levels and can become contaminated by arsenic-containing water.

Beryllium. Beryllium is a poisonous earth metal not necessary for human health. This article has been cited byother articles in PMC. Abstract. The analysis of hair for trace elements is potentially a safe, noninvasive and extremely useful diagnostic tool, but it has not yet been proven to be reliable or to reflect the status of trace elements elsewhere in the body.

As well, little is known about the normal ranges of concentrations of elements in the hair or about the physiologic. This paper presents the view that an agreed basis for the chemical analysis of trace elements in hair has not been established by the many workers in the field; a chemical basis is proposed here.

Levels of 37 trace elements found in human hair are tabulated. Endogenous and exogenous sources of such trace elements are described and discussed.

Hair was analyzed for the content of macroelements, essential trace elements, toxic elements and other trace elements. The values reported by different laboratories differed considerably. The results related to reference ranges from different laboratories yielded sometimes contradictory interpretation concerning the deficiency or excess (e.g.

The use of human hair samples as a non-invasive testing substrate is potentially poised to improve diagnostic and forensic medicine. Hair has the unique ability to capture long-term information about health and disease in an individual as compared to urine and blood.

Taylor A. Usefulness of measurements of trace elements in hair. Ann Clin Biochem. Jul; 23 (Pt 4)– [Google Scholar] Hambidge KM.

Hair analyses: worthless for vitamins, limited for minerals. Am J Clin Nutr. Nov; 36 (5)– [Google Scholar] Sky-Peck HH. Distribution of trace elements in human hair. Clin Physiol Biochem. Hair, Trace Elements, and Human Illness Brown, A.C.; Crounse, R.

G., eds. Praeger Publications, The result of research studies indicate that hair mineral analysis can be useful as a diagnostic tool in the examination of trace metal exposure, including abnormal nutritional intake, and may assist in the study of certain mental states.

G.V. Iyengar, Concentrations of 15 Trace Elements in Some Selected Adult Human Tissues and Body Fluids of Clinical Interest From Several Countries: Results From a Pilot Study for the Establishment of Reference Values, Report Juel, Juelich, ().

proportional to the level of elements in the body. The diagnostic usefulness of hair analysis is confirmed by many authors, who have proven the correlation between the concentration of basic elements in hair and their concentrations in the body, both in the physiological and pathological states [8–10].

Nails also indicate metal body burden [11].The hair provides a record of past and current levels of trace elements. In contrast to the blood, hair is an inert substance which is a fibrous protein and trace elements. As hair grows, nutrients.Human hair has been shown to be attractive as diagnostic material due to simplicity of sampling.

Moreover, hair constitutes a neutral and stable tissue material and may provide valuable information about accumulation of trace elements that are considerably more concentrated in hair than in other biological materials [ 8, 9 ].