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18:1 PS (DOPS)

1,2-dioleoyl-sn-glycero-3-phospho-L-serine (sodium salt), powder

1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine (sodium salt); DOPS; PS(18:1(9Z)/18:1(9Z))
Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:


>99% (TLC)




pkg of 1 × 10 mg (840035P-10mg)
pkg of 2 × 100 mg (840035P-200mg)
pkg of 5 × 100 mg (840035P-500mg)
pkg of 1 × 25 mg (840035P-25mg)


Avanti Polar Lipids 840035P

shipped in

dry ice

storage temp.


SMILES string


General description

DOPS is an excellent substitute for the naturally occurring Brain PS. It has similar physical properties and is more stable to oxidation. DOPS has been used, along with DOPC and DOPE, in lipid mixtures to mimic platelet membranes for coagulation studies.
Phosphoserine/phosphatidylserine (PS) is an endogenous phospholipid, that is found in all polyanionic macromolecules.


18:1 PS (DOPS) has been used:
  • in liposomes (multi-lamellar vesicles) preparation
  • as a component in incubation buffer to measure exosomes associated procoagulant activity
  • in the preparation of lipid vesicles

Biochem/physiol Actions

Phosphoserine (PS) can be used as a template for the recognition of cancer antigen 125 (CA 125). It is very essential for healthy nerve cell membranes and myelin. Exogenous PS can be actively absorbed in humans. It has the ability to cross the blood-brain barrier. It plays a key role in the formation of short-term memory, the consolidation of long-term memory, the ability to create new memories and several other cognitive activities. It actively participates in the locomotor functions, like rapid reactions and reflexes.


5 mL Clear Glass Sealed Ampule (840035P-25mg)
5 mL Clear Glass Sealed Ampule (840035P-10mg)
5 mL Clear Glass Sealed Ampule (840035P-200mg)
5 mL Clear Glass Sealed Ampule (840035P-500mg)

Storage Class Code

13 - Non Combustible Solids



Certificate of Analysis

Certificate of Origin

Proteomics profiling of plasma exosomes in epithelial ovarian cancer: A potential role in the coagulation cascade, diagnosis and prognosis
Zhang W, et al.
International journal of oncology, 54(5), 1719-1733 (2019)
Toshihiko Oka et al.
Langmuir : the ACS journal of surfaces and colloids, 33(43), 12487-12496 (2017-10-03)
Electrostatic interactions (EIs) play important roles in the structure and stability of inverse bicontinuous cubic (QII) phases of lipid membranes. We examined the effect of pH on the phase of dioleoylphosphatidylserine (DOPS)/monoolein (MO) membranes at low ionic strengths using small-angle
Macrophages inhibit human osteosarcoma cell growth after activation with the bacterial cell wall derivative liposomal muramyl tripeptide in combination with interferon-gamma
Pahl JHW, et al.
Journal of Experimental & Clinical Cancer Research, 33(1), 27-27 (2014)
Kabir H Biswas et al.
Langmuir : the ACS journal of surfaces and colloids, 34(4), 1775-1782 (2017-12-28)
The pathway of vesicle adsorption onto a solid support depends on the material composition of the underlying support, and there is significant interest in developing material-independent strategies to modulate the spectrum of vesicle-substrate interactions on a particular surface. Herein, using
Liulin Wang et al.
Langmuir : the ACS journal of surfaces and colloids, 34(36), 10764-10773 (2018-07-28)
Monoamine oxidase A and B (MAO-A and B) are mitochondrial outer membrane enzymes that are implicated in a number of human diseases, and the pharmacological inhibition of these enzymes is a promising therapeutic strategy to alleviate disease symptoms. It has

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