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Hydrogels can be used as drug delivery vehicles, for transdermal application, ophthalmic drug delivery, [11] cancer treatment [12] or for wound dressing. [ 7 ] [ 13 ] As a type of water based formulation, hydrogels are generally less greasy and are easier to be removed than oil-based formulations like organogels. [ 6 ]
The term colloidal suspension refers unambiguously to the overall mixture (although a narrower sense of the word suspension is distinguished from colloids by larger particle size). A colloid has a dispersed phase (the suspended particles) and a continuous phase (the medium of suspension).
Milk is an emulsified colloid of liquid butterfat globules of 0.1 to 10 micrometer dispersed within a water-based solution.. Interface and colloid science is an interdisciplinary intersection of branches of chemistry, physics, nanoscience and other fields dealing with colloids, heterogeneous systems consisting of a mechanical mixture of particles between 1 nm and 1000 nm dispersed in a ...
Parenteral drug delivery: Emulsions serve as carriers for intravenous or intramuscular administration of drugs, solubilizing lipophilic ones while protecting from degradation and decreasing injection site irritation. Examples include propofol as a widely used anesthetic and lipid-based solutions used for total parenteral nutrition delivery.
A demulcent cough drop. A demulcent (derived from the Latin: demulcere "caress") is a mucilaginous or oleaginous preparation [1] that forms a soothing protective film over a mucous membrane, relieving minor pain and inflammation of the membrane. [2]
Haemaccel (a registered trademark) is a type of intravenous colloid used in the prevention or treatment of shock associated with reduction in effective circulating blood volume due to hemorrhage, loss of plasma (burns, peritonitis, pancreatitis, crush injuries), or loss of water and electrolytes from persistent vomiting and diarrhea. Haemaccel ...
Hydroxyethyl starch (HES/HAES), sold under the brand name Voluven among others, is a nonionic starch derivative, used as a volume expander in intravenous therapy.The use of HES on critically ill patients is associated with an increased risk of death and kidney problems.
[19] [20] One major complication with the current methods of treating cancer with chemotherapy is that treatment is not optimized to specifically target cancer cells and the widespread distribution of chemotherapeutic drugs throughout the body can cause harmful side effects such as naseua, hair loss, and cardiotoxicity. [20]