Quantitative analysis of human hairs and nails

V Bali, Y Khajuria, V Maniyar, PK Rai, U Kumar… - Biophysical …, 2023 - Springer
Hair and nails are human biomarkers capable of providing a continuous assessment of the
concentrations of elements inside the human body to indicate the nutritional status …

Portable x-ray fluorescence for bone lead measurement: Current approaches and future directions

AJ Specht, C Hoover, T Grier - Current Environmental Health Reports, 2024 - Springer
Abstract Purpose of Review Legacy lead exposures persist as a widespread problem. Blood
lead is traditionally used for lead exposure surveillance; however, bone lead proves to be a …

Expanding the use of portable XRF to monitor lead exposure in an Australian duck species two decades after a ban on lead shot

D Nzabanita, JO Hampton, SD Toop… - Science of The Total …, 2023 - Elsevier
There is growing worldwide recognition of the threat posed by toxic lead for wildlife and
humans. Lead toxicity from ammunition has been shown to be a threat to waterbirds across …

[HTML][HTML] Lead exposure of mainland Australia's top avian predator

JO Hampton, MT Lohr, AJ Specht, D Nzabanita… - Environmental …, 2023 - Elsevier
Lead (Pb) toxicity, through ingestion of lead ammunition in carcasses, is a threat to
scavenging birds worldwide, but has received little attention in Australia. We analyzed lead …

Portable X-ray fluorescence for bone lead measurements of Australian eagles

JO Hampton, AJ Specht, JM Pay, MA Pokras… - Science of the Total …, 2021 - Elsevier
Lead (Pb) toxicity from ammunition has been shown to be a threat to scavenging birds
across the globe. Toxic levels of lead have recently been found in Australia's largest bird of …

Benchtop x-ray fluorescence to quantify elemental content in nails non-destructively

AJ Specht, KE Adesina, DE Read… - Science of the Total …, 2024 - Elsevier
Metals continue to impose health issues among world populations. A non-invasive
alternative biomarker for assessment of metals and other elements has been explored in …

Portable X-ray fluorescence as a rapid determination tool to detect parts per million levels of Ni, Zn, As, Se, and Pb in human toenails: a South India case study

M Bhatia, AJ Specht, V Ramya… - Environmental …, 2021 - ACS Publications
Chronic exposure to inorganic pollutants adversely affects human health. Inductively
coupled plasma mass spectrometry (ICP–MS) is the most common method used for trace …

Feasibility of lead exposure assessment in blood spots using energy-dispersive X-ray fluorescence

AJ Specht, JF Obrycki, M Mazumdar… - … science & technology, 2021 - ACS Publications
Collecting blood spots from newborns is a common procedure used to diagnose multiple
health conditions. Fingerstick blood samples are routinely collected from children to …

Ethanol via regulation of NF-κB/p53 signaling pathway increases manganese-induced inflammation and apoptosis in hypothalamus of rats

KW Nkpaa, IA Adedara, BA Amadi, MO Wegwu… - … Trace Element Research, 2019 - Springer
The diet is a major route of manganese (Mn) exposure for humans. Interestingly, several
epidemiological data demonstrated an increase in the incidence of alcohol consumption …

Validation of in vivo toenail measurements of manganese and mercury using a portable X-ray fluorescence device

AJ Specht, X Zhang, A Young, VT Nguyen… - Journal of exposure …, 2022 - nature.com
Background and objective Toenail metal concentrations can be used as an effective
biomarker for exposure to environmental toxicants. Typically toenail clippings are measured …