Use of SEM/EDX methods for the analysis of ambient particulate matter adhering to the skin surface

Review Dermatology

Adult skin acute stress responses to short-term environmental and internal aggression from exposome factors

T. Passeron et al.

Summary: Exposome factors that lead to stressed skin include disturbances from environmental and internal exposure, which can provoke a transient but robust neuroendocrine-immune and tissue remodelling response, altering the skin barrier and causing manifestations such as dryness, oiliness, sensitivity, itching, redness, paleness, sweating, and inflammation. Acute stresses can also induce scalp sensitivity, hair loss, and worsen various skin conditions.

JOURNAL OF THE EUROPEAN ACADEMY OF DERMATOLOGY AND VENEREOLOGY (2021)

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Article Environmental Sciences

Characterisation of particulate matter and identification of emission sources in Greater Caracas, Venezuela

Giobertti Morantes et al.

Summary: This study conducted in the Sartenejas Valley in Venezuela aimed to evaluate the morphology and elemental chemical composition of particulate matter, identifying different types of particles and confirming sources through principal component analysis (PCA), such as soil dust, sea salts, and reacted aerosols. Additionally, evidence of mineral elements related to soil and crustal origins was found through SEM-EDX and FTIR analysis during the rainy season, with the presence of C-rich or C-containing aerosols possibly linked to biological sources or mineral carbon.

AIR QUALITY ATMOSPHERE AND HEALTH (2021)

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Review Dermatology