Study of Melanoma-Resistant PET Monitoring Based on Key Rate-limiting Enzymes for Fatty Acid Metabolism in Healthy Volunteers

Inclusion Criteria: * Age: 18 to 65 years old (including the boundary values); Gender: Male or female; Weight: Male weight ≥ 50 kg, female weight ≥ 45 kg, and body mass index (BMI = weight (kg) / height² (m²)) within the range of 18.0 to 28.0 kg/m² (including boundary values); Participants must fully understand and voluntarily participate in this experiment and sign an informed consent form. Exclusion Criteria: * Individuals who cannot tolerate intravenous administration (e.g., those with a history of fainting from needles or blood); Individuals with alcohol allergies; Pregnant or breastfeeding women; Individuals with severe diseases of the heart, kidneys, lungs, blood vessels, nervous system, or mental health, immune deficiency diseases, or hepatitis/cirrhosis; Individuals whom the investigator deems unsuitable for or unable to complete PET or other imaging examinations for special reasons; Other circumstances deemed by the investigator to be unsuitable for participation in this study.