Phosphatidylglycerol (PG)

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BOC Sciences has a specialized liposome technology platform dedicated to providing the most complete solution for liposome drug development services for the pharmaceutical/biotechnology, cosmetic, and nutritional supplement industries. We provide high-quality phosphatidylglycerol.

Definition of Phosphatidylglycerol

Phosphatidylglycerol (PG) is a phospholipid present in lung surfactants. PG is negatively charged due to the polar phosphate group. The overall molecule is also electronegative. Its basic structure is L-glycerol-3-phosphoric acid backbone with saturated or unsaturated fatty acids connected by ester bonds at the 1 and 2 positions, and glycerol and phosphoric acid form monoesters.

(a) Phosphatidylglycerol and (b) corresponding head group fragment. Fig. 1 (a) Phosphatidylglycerol and (b) corresponding head group fragment. (Chauhan VM, 2017)

Complete Dissolution of Phosphatidylglycerol

Add a little water to the organic solvent such as methanol or ethanol used, about 0.1%~1% of the total solvent volume (the specific addition amount is subject to the experiment), and then with a high temperature (around the phase transition temperature) water bath ultrasonic to dissolve completely.

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  1. Chauhan VM; et al. The physicochemical fingerprint of Necator americanus. PLoS Negl Trop Dis. 2017 Dec 7; 11(12): e0005971.

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