POPC:Chol:POPG Liposomes Containing Self-quenching Concentration of Octadecyl Rhodamine B

Size Cat no Lipid composition Price Quantity Subtotal
2-ml FPC-301 POPC:Chol:POPG (10:4:1 molar ratio) $950.00
$0.00
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Technical Information

POPC:Chol:POPG Liposomes Containing Self-quenching Concentration of Octadecyl Rhodamine B

Lipid CompositionConcentration (mg/ml)Concentration (mM)Molar Ratio
1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine5.626.6710
Cholesterol1.032.674
1-palmitoyl-2-oleoyl-sn-glycero-3-phospho-(1'-rac-glycerol) (sodium salt)0.510.661
Total7.16 mg/ml10 mM
Fluorescent DyeExcitation/Emission (nm)Molecular Structure
Octadecyl Rhodamine B Chloride 556/578
Buffer and Liposome SizeSpecification
BufferPhosphate Buffered Saline*
pH7.4
Liposome Size100 nm
* If you prefer different buffers, please specify in your order.

Technical Notes

  • Liposomes are unilamellar and sized to 100 nm. If you need them to be made in another size, then you should mention that at the time of ordering. Unilamellar liposomes can be made in 50 nm and 200 nm sizes. Liposomes that are larger than 200 nm are multilamellar structure.
  • Liposomes are made in PBS buffer at pH 7.4 but it can be made in any other buffer of your choice. You can specify your buffer at the time of ordering.
  • Liposomes are made in degassed buffer that is purged with argon to avoid oxidation of the unsaturated phospholipids.
  • Liposomes are made under sterile condition.
  • Liposomes are unilamellar and therefore due to their small size they will not settle in the bottom of the vial.
  • If you need to take multiple aliquots out of the vial, for use over a period of time, then it is advised to take extreme care in not contaminating the vial. It is recommended to handle the vial under a sterile hood to maintain the sterility of the product.
  • Liposomes should never be frozen. Ice crystals that form during freezing will rupture the lipid membrane of the liposomes and change the size the liposomes particles.
  • Liposomes should be kept in refrigerator at 4°C in order to avoid the hydrolysis of the liposomes.
  • Liposomes should be kept at 4°C and NEVER be frozen.

Appearance

Liposome containing self-quenching concentration of octadecyl rhodamine B formulation is a red translucent liquid. Usually due to the small size of liposomes no settling will occur in the bottom of the vial. The liposomes are packaged in an amber vial.

Ordering/Shipping Information

  • All liposome based formulations are shipped on blue ice at 4°C in insulated packages using overnight shipping or international express shipping.
  • Liposomes should NEVER be frozen. Ice crystals that form in the lipid membrane can rupture the membrane, change the size of the liposomes and cause the encapsulated drug to leak out. Liposomes in liquid form should always be kept in the refrigerator.
  • Clients who order from outside of the United States of America are responsible for their government import taxes and customs paperwork. Encapsula NanoSciences is NOT responsible for importation fees to countries outside of the United States of America.
  • We strongly encourage the clients in Japan, Korea, Taiwan and China to order via a distributor. Tough customs clearance regulations in these countries will cause delay in custom clearance of these perishable formulations if ordered directly through us. Distributors can easily clear the packages from customs. To see the list of the distributors click here.
  • Clients ordering from universities and research institutes in Australia should keep in mind that the liposome formulations are made from synthetic material and the formulations do not require a “permit to import quarantine material”. Liposomes are NOT biological products.
  • If you would like your institute’s FedEx or DHL account to be charged for shipping, then please provide the account number at the time of ordering.
  • Encapsula NanoSciences has no control over delays due to inclement weather or customs clearance delays. You will receive a FedEx or DHL tracking number once your order is confirmed. Contact FedEx or DHL in advance and make sure that the paperwork for customs is done on time. All subsequent shipping inquiries should be directed to Federal Express or DHL.

Storage and Shelf Life

Storage

Liposomes containing self-quenching concentration of octadecyl rhodamine B should always be stored at in the dark at 4°C, except when brought to room temperature for brief periods prior to animal dosing. DO NOT FREEZE. ENS is not responsible for results generated by frozen product.

Shelf Life

Liposomes containing self-quenching concentration of octadecyl rhodamine B are made on daily basis. The batch that is shipped is manufactured on the same day. It is advised to use the products within 60 days of the manufacturing date.

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