Table 1 Key analytes in sweat and associated health conditions

From: Wearable and flexible electrochemical sensors for sweat analysis: a review

Analyte category

Analyte

Health condition

Ref.

Electrolytes

Na+

Dehydration, hyponatremia, electrolyte imbalance

40,41,42,43,45,47

Cl-

Dehydration, cystic fibrosis

17,50,51

K+

Hypokalemia, muscle cramps

52,53

Ca2+

Myeloma, cirrhosis, renal failure, acid–base balance disorder

54

NH4+

Shift from aerobic to anaerobic metabolic conditions

9,41,55

PH

Pathogenesis of skin diseases, wound healing

30,38,43,143

Metabolites

Glucose

Diabetes

17,33,52,103

Lactate

Shift from aerobic to anaerobic metabolic conditions

7,11,58,37

Alcohol

Inebriation

16,76,77

Uric acid

Renal dysfunction, gout

61,144

Drugs

Caffeine

Coronary syndrome, hypertension, Depression

63,145

Levodopa

Parkinson’s disease

64,89

Trace metals

Zn2+

Stress and immune system-induced muscle damage

44,66,67

Cu2+

Rheumatoid arthritis, Wilson’s disease, cirrhosis of the liver

44,66,68

Other analytes (hormones, cytokines, proteins, etc.)

Interleukin 6

Insulin activity, immune responses in cancer therapy

69,70,145

Cortisol

Stress

59,69,72,73

Tyrosine

Metabolic disorders, tyrosinemia

74

Neuropeptide Y

Stress

30,75