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Steroid hormones (SHs) have received widespread attention in recent years. However, current studies of SHs have primarily focused on estrogenic substances, with androgen‐related studies being quite limited. We optimized the solid‐phase extraction (SPE) pretreatment method, as well as the enzymolysis conditions of five androgens (androstenedione, boldenone, methandienone, nandrolone, and testosterone),...
Objective
Manganese ion (Mn2+) is reported to promote the antitumor immune response by activating the cGAS‐STING pathway, but it is unknown whether Mn2+ can prevent the malignant transformation of precancerous lesions. The effects of Mn2+ in treating oral leukoplakia (OLK) were explored in this work.
Methods
Peripheral blood Mn analysis of the patients was performed using inductively coupled plasma...
Methane (CH4), as the vital energy resource and industrial chemicals, is highly flammable and explosive for concentrations above the explosive limit, triggering potential risks to personal and production safety. Therefore, exploiting smart gas sensors for real‐time monitoring of CH4 becomes extremely important. Herein, the Pt‐Pd nanoalloy functionalized mesoporous SnO2 microspheres (Pt‐Pd/SnO2) were synthesized,...
FeNC catalysts demonstrate remarkable activity and stability for the oxygen reduction reaction (ORR) in polymer electrolyte membrane fuel cells and Zn–air batteries (ZABs). The local coordination of Fe single atoms in FeNC catalysts strongly impacts ORR activity. Herein, FeNC catalysts containing Fe single atoms sites with FeN3, FeN4, and FeN5 coordinations are synthesized by carbonization of...