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Table 2 Composition of digestive fluids

From: The in vitro gastrointestinal digestion-associated protein corona of polystyrene nano- and microplastics increases their uptake by human THP-1-derived macrophages

Component

Simulated salivary fluid (SSF) (pH = 7.0)

Simulated gastric fluid (SGF) (pH = 3.0)

Simulated intestinal fluid (SIF) (pH = 7.0)

KCl

30.2 mM

6.9 mM

6.8 mM

NaHCO3

27.2 mM

25.0 mM

85.0 mM

NaCl

–

47.2 mM

38.4 mM

KH2PO4

7.4 mM

0.9 mM

0.8 mM

MgCl2. (H2O)6

0.3 mM

0.1 mM

0.3 mM

(NH4)2CO3

0.1 mM

0.5 mM

–

CaCl2(H2O)2

1.5 mM

0.15 mM

0.6 mM

Pepsin

–

0.8 mg/ml

–

Bovine Bile

–

–

4.0 mg/ml

Porcine Pancreatin

–

–

14.0 mg/ml

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Particle and Fibre Toxicology

ISSN: 1743-8977

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