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Laser-assisted drug delivery (LADD) is a drug delivery technique commonly used in the dermatology field that involves lasers. As skin acts as a protective barrier to the environment, the absorption of topical products through the epidermis is limited; thus, different drug delivery modalities have been employed to improve the efficacy of these treatments.
Fractional laser photothermolysis (FP) is a form of laser-based skin resurfacing, with several devices on the market, such as Fraxel. A fractional laser delivers laser light to the skin. Hundreds or thousands of laser pinpoints may be used per square inch, leaving healthy skin between the ablated areas.
A test target bursts into flame upon irradiation by a continuous-wave kilowatt-level carbon-dioxide laser. The carbon-dioxide laser (CO 2 laser) was one of the earliest gas lasers to be developed. It was invented by Kumar Patel of Bell Labs in 1964 [1] and is still one of the most useful types of laser.
The possibility of the creation of infrared lasers based on the vibrationally excited products of a chemical reaction was first proposed by John Polanyi in 1961. [1] A pulsed [broken anchor] chemical laser was demonstrated by Jerome V. V. Kasper and George C. Pimentel in 1965. [2]
A home invasion in an upscale Philadelphia suburb turned fatal over the weekend after a suspect broke into a home in Lower Merion Township at 2:20 a.m. on Sunday, Dec. 8, the Montgomery County ...
SMU (11-2 overall, 8-0 in ACC play) will travel to Penn State in the first-round for a noon ET kick-off on Saturday, Dec. 21 at Beaver Stadium. This article originally appeared on USA TODAY: ...
Heart Rate Zone 2. This cardio zone is often referred to as the endurance zone. It’s your base level where your heart is pumping, but you can keep up the pace for a while.
Pure gas dynamic lasers usually use a combustion chamber, supersonic expansion nozzle, and CO 2, in a mixture with nitrogen or helium, as the laser medium. Gas dynamic lasers can be pumped by combustion or adiabatic expansion of gas. Any hot and compressed gas with appropriate vibrational structure could be utilized.
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