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The concept of stimuli-responsive drug delivery systems can actually be seen as ahead of this time, since the first pH-responsive drug coating was used in the late 1950s in Europe. [4] These coatings were used on drugs delivered to the stomach, so that they would protonate and dissolve at low pH to release drug. [ 4 ]
Ultrasound-triggered drug delivery using stimuli-responsive hydrogels refers to the process of using ultrasound energy for inducing drug release from hydrogels that are sensitive to acoustic stimuli. This method of approach is one of many stimuli-responsive drug delivery-based systems that has gained traction in recent years due to its ...
This method of drug delivery falls in the category of stimuli-responsive drug delivery systems which include pH, temperature, and redox-responsive systems. Mechanical forces occur naturally throughout the human body therefore, stretch-triggered drug delivery systems may be used to autonomously deliver medications to the body when needed.
Additionally, drug-loaded particles within the hydrogel have been proposed as dual-stimuli responsive drug delivery systems combining pH-responsivity with the temperature response of the PEGylated polyester gels. Studies show that these types of hydrogels can be used to treat tumors in lungs and bladders. [19]
Drug delivery devices are specialized tools for the delivery of a drug or therapeutic agent via a ... Stimuli-responsive drug delivery systems; Stretch-triggered drug ...
A new long-acting preventive HIV drug could reach the world’s poorest countries by the end of 2025 or early 2026, a global health official told Reuters on Tuesday. The ambition is to start ...
Another drug company, Amgen, has taken yet another approach, blocking GIP instead of activating it, as tirzepatide does; its drug, dubbed MariTide, produced about 20% weight loss, on average, over ...
Nanogels that respond to various stimuli including changes in pH and temperature or the presence of redox and light cues have proven to be useful tools for drug delivery. One such responsive nanogel was designed to switch from a surface negative charge to a surface positive charge upon exposure to decrease in pH once inside a tumor. [28]
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