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This research found that crude leaf extracts of Calotropis gigantea caused significant oxidative stress and cellular damage in freshwater fish Danio rerio over 30 days, highlighting the toxicological risks of this plant despite its medicinal properties.

This review discusses medical conditions and therapies related to various elements, such as zinc, copper, mercury, cadmium, lead, chromium, and arsenic, without reporting new experimental results; it highlights past findings on deficiencies, toxicities, and historical cases.

In this study, TCDD administered to male rats down-regulated EGF receptor in liver plasma membranes and increased protein kinase activity, suggesting EGF receptor–mediated toxicological effects.

This review presents the practice of using hair bioelement analysis to assess nutritional status or environmental exposure, proposing complex interactions and hypotheses regarding depression and autism but reports no new clinical results.

This study found higher concentrations of chromium, lead, and arsenic in the hair of workshop workers and traffic officers compared to a control group, indicating occupational exposure to these metals. Mercury levels varied across exposed groups, suggesting additional lifestyle factors may influence metal accumulation.

This report suggests that spectral-analysis of feathers may identify toxic mineral exposure in birds, as illustrated by a cockatoo with feather loss showing high levels of aluminum and cadmium.

This study found that TCDD significantly reduced EGF receptor binding in various animal models, linked to toxic symptoms like weight loss and developmental delays, with receptor phosphorylation persisting several days.

This study found that while biotin treatment improves clinical and biochemical symptoms in patients with biotinidase deficiency, some experience lasting neurological damage, and it is uncertain if early treatment can prevent this.

This study found that greater root surface area due to root hairs contributed to better growth and zinc uptake of wild-type barley compared to its root-hairless mutant in zinc-deficient soil.

This research describes using advanced mass spectrometry imaging techniques to analyze gunshot residue and map molecular components in biological samples, such as tumors and mosquito ovarian follicles, at unprecedented spatial resolution and specificity.

In this study, jute-batching oil did not cause cancer in mice, but it shortened the time to tumour development when combined with a known carcinogen, indicating potential cancer-promoting activity.

This case report highlights that inherited zinc deficiency can persist into adulthood and emphasizes the importance of selecting optimal chelating agents to improve oral zinc bioavailability.

This review discusses the growth potential and business opportunities in biocosmetics, emphasizing the replacement of fossil-based ingredients with bio-based alternatives, but reports no new experimental findings.

This study found that rats fed diets with heated corn or peanut oil showed signs of toxicity, including liver and kidney weight increases, diarrhea, and ceased spermatogenesis, compared to those consuming fresh oils.

In this animal study, pigs on a biotin-deficient diet showed significant hair loss, weak and brittle claws, and skin lesions after 8–10 weeks, with tissue necrosis observed microscopically after 15 weeks.

This study concluded that standard decontamination procedures do not fully remove external contamination from post mortem hair specimens, which complicates using hair analysis to assess long-term drug exposure.

This study identified that high concentrations of selenium in a liquid dietary supplement caused a widespread outbreak of poisoning, revealing the importance of stricter manufacturing standards.

This notice states that the article has been withdrawn due to the journal's transfer to a new publisher and reports no research findings.

This study found that nanoplastics' aggregation behavior on human skin, influenced by factors like concentration, photoaging, and organic constituents, affects their penetration potential through sweat glands and hair follicles, highlighting potential dermal exposure risks.

This report describes a patient with biotinidase deficiency presenting bilateral optic atrophy, and confirms autosomal recessive inheritance through enzyme dosage analysis in the patient and family members.

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

This study found that exposure to aqueous dispersion resin in aerosol form increased lung weights and caused histopathological changes in animals at higher concentrations, with a no-observable-effect level at 30 mg/m³.

This article reviews inherited mineral and trace element disturbances and reports no clinical results; it highlights conditions like hypomagnesaemia and acrodermatitis enteropathica linked to impaired nutrient absorption.

This study found that plastic factory staff in Sirjan, Iran were exposed to microplastic particles through various body receptors, with hair having the highest particle count and saliva the lowest.

In this study, feeding Gymnocypris eckloni with Flammulina velutipes residues enhanced foregut morphology and beneficially altered gut microbiota, highlighting potential improvements in intestinal health for aquaculture use.

This study found that the cyanoacrylate biopsy method could effectively evaluate drug distribution in hair follicles, suggesting its potential utility for assessing topically applied chemicals targeting hair follicles.

In this case study, divisional thallium intoxication in an adolescent led to progressive optic and peripheral neuropathy, with neurological deterioration occurring more rapidly after a second ingestion.

Higher levels of chromium, selenium, and copper in hair are linked to increased insulin resistance in visceral-obese adults.