نتایج جستجو برای: low intensity laser
تعداد نتایج: 1504408 فیلتر نتایج به سال:
We report a wide-field fluorescence lifetime imaging microscope based on a low-repetition-rate (3.7-MHz) passively mode-locked diode-pumped laser source. This inexpensive and compact laser source operating in the visible and UV range can excite a wide range of fluorophores of biological interest. We demonstrate that the power of this laser source is highly sufficient for studying biological sys...
objectives: the purpose of this experimental study was to evaluate the efficacy of low level laser therapy (lllt) for pain reduction after midpalatal expansion in rats. materials and methods: sixty male sprague six-week old rats weighing 180±10g were divided into seven groups (two experimental groups of 24 rats and one control group of 12 rats). the experimental groups were subjected to expan...
background: numerous in vitro reports suggest that low level laser therapy (lllt) affects cellular processes by biostimulation, however most of them emphasize on using visible light lasers which have low penetration. the aim of this study was to determine the effect of infrared laser light (which is more useful in clinic because of its higher penetration) on secretion of fibroblast growth facto...
Background and Objectives: Frozen shoulder or adhesive capsulitis of the shoulder is one of the most common diseases of the shoulder. In this diseases capsule of shoulder is stiff, shortening, adhesive, painful and frozen. The aim of this study was to determine and compare the effect of electroacupuncture (EA) and Low Level Laser Therapy (LLLT) on treatment of frozen shoulder. Material and Met...
Background and Objectives: Knee is affected by osteoarthritis more than any other joints. The cause of this disease is degeneration changes that occur gradually. The aim of this study was to compare the effects of Electroacupunture (EA), Low Level Laser Therapy (LLLT) ,and Celecoxib Tablet (CT) on treatment of knee osteoarthritis. Materials and Methods: This randomized single-blinded cli...
Background and Objective: Lateral epicondylitis of the elbow is the most common contractile lesion of the elbow and causes inflamation and pain at the origin of the wrist extensor muscles. The aim of this study was comparison of the effect of 1% Hydrocortisone Phonophoresis (1% HcP) with Low Level Laser Therapy (LLLT) on treatment of lateral epicondylis of elbow. Materials and Methods: This ...
Background and Objectives: Muscles are known as organs which can generate pain in human body. Among different types of muscle pain, myofascial trigger points (MTPs) are very common. The aim of this study was comparing the effect of shockwave therapy (SWT) and low level laser therapy (LLLT) on the treatment of the MTPs of trapezius muscles. Materials and Methods: This randomized clinical trial ...
AIM Previous studies have suggested that laser photocoagulation therapy is associated with the resolution of drusen in some age related macular degeneration (AMD) patients. The main aim of the study was to determine whether low intensity laser treatment applied according to the Complications of AMD Prevention Trial (CAPT) protocol produces changes in the choroidal circulation that may help expl...
Modification of surfaces by laser heating has become a very important aspect of modern materials science. The author’s own interests in laser processing have been involved in the main with laser processing of semiconductors, especially II-VI materials such as CdTe, but also amorphous silicon. Applications of laser processing are diverse and include, in addition to the selective recrystallisatio...
Mask-Aligner and Stepper The typical emission spectrum of a mask aligner or stepper with Hg light source and without optical selective mirrors/filters contains g(wavelength 436 nm), h(405 nm) and i-line (365 nm) (fig. right-hand), with an iline intensity approx. 40 % of the total emission between 440 and 340 nm. The absorption spectrum (spectral sensitivity see next section) of AZ® and TI photo...
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