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This review discusses zinc's role as an essential trace element in human nutrition, particularly its importance in total parenteral nutrition, and reports no new clinical results.

This study compiles data on the microstructural and cytotoxic properties of nano physical sunscreens, emphasizing the need for a technology platform to assess nanomaterial characteristics due to their growing use in cosmetics.

This review highlights the role of plant-derived organic selenium compounds, noting their high bioavailability and low toxicity, and provides a comprehensive overview of selenium's uptake in plants and metabolism in humans, offering a theoretical basis for future nutritional research.

This review explores modern scientific approaches in using bioelementology to diagnose and treat different forms of alopecia, reporting no new clinical results but identifying gaps needing further research.

This study observed a decrease in iodine, lithium, and lead concentrations in hair samples from Venezuelan subjects over 20 years, with regional variations noted for selenium, uranium, and mercury.

This study measured elemental content in anagen hair fibers of Caucasian people aged 10-69 and found average levels of sulfur, zinc, calcium, and chlorine, establishing a baseline for future research.

This study found that individuals with premature graying of hair had significantly lower serum levels of vitamin B12, ferritin, and calcium compared to those without premature graying.

This systematic review and meta-analysis found that patients with telogen effluvium, primarily females, exhibited significantly lower serum levels of ferritin and vitamin D compared to healthy controls, suggesting trace element imbalances play a crucial role in this type of hair loss.

This study found that Alaskan moose hair mineral content varied seasonally and by location, with differences in magnesium, copper, and manganese levels linked to winter-killed calves.

This study found that women with telogen effluvium had significantly lower levels of zinc and iron in their hair compared to healthy women.

This study reported the development of a workflow that combines SIMS and X-ray elemental mapping techniques for multimodal imaging at the single cell level, successfully applied to visualize elements, metals, and lipids in porcine skin without loss or delocalization.

This review discusses selenium's role in human and animal health, its deficiency's link to diseases in China, and the need for precise geochemical control data; it reports no new findings.

This study found that lead accumulated in the hair shafts of individuals exposed to mining environments, while iron, copper, and zinc levels remained stable, highlighting the significance of SRXRF micro-analysis for environmental health research.

This study found that children with autism spectrum disorder generally have lower levels of both essential and toxic trace elements in their hair compared to controls.

Women generally have higher levels of iron, copper, and zinc in their hair than men, with differences increasing with age.

Mouse hair element patterns vary, making it unreliable for tracking time.

This study found that most milk powder samples tested from the Romanian market contained element concentrations exceeding legal limits, especially potassium, calcium, chlorine, phosphorus, and aluminum.

This study found that telogen effluvium is strongly linked to lower serum levels of ferritin and vitamin D, especially in predominantly female patients.

In this study, researchers found that most food supplement labels in Portugal recommend daily mineral doses exceeding the EU's Recommended Daily Allowance, with some even surpassing the Tolerable Upper Intake Level, raising safety concerns regarding potential adverse effects.

In this study, patients with premature graying of hair had lower levels of zinc, magnesium, and Vitamin B12 compared to healthy controls.

This study found that PIXE microanalysis effectively detected and quantified trace element changes in hair shafts, revealing a marked decrease in copper after treatment for green hair syndrome.

Selenium supplements may reduce mercury levels in the hair of city dwellers in China.

This article reviews recent developments in microneedles combining metallic elements and herbal compounds for wound healing, highlighting their benefits such as enhanced therapeutic efficacy and reduced toxicity, and offering a reference for future advancements in this technology.

This study found that individuals who perceive their hair health as poor tend to have higher levels of metals on their hair, emphasizing the impact of environmental metal exposure.

This study reported that the Fe@C/CB electrocatalyst effectively detected Metol in water samples with a low detection limit, high sensitivity, and good stability, suggesting it as a promising tool for environmental monitoring.

This study found that living environment significantly influenced Fe concentrations in dog and cat hair, with outdoor animals showing higher levels than those kept indoors.

This study suggests that elevated levels of certain heavy metals, rather than zinc, may play a causative role in primary chronic telogen effluvium.

The method effectively maps lead and zinc in hair, aiding understanding of heavy metal exposure risks.

This study found no differences in trace element concentrations between Finnish alopecia patients and the normal population, but noted significant serum copper variation among different alopecia subtypes.