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We investigate atomic and molecular emission of laser-ablated nitromethane in an Ar or N buffer gas, with fs laser-induced breakdown spectroscopy. The electronic bands of CN, C, and NH molecules and the atomic transition lines of C I, N I, and Hα are identified. The time series of the emissions are obtained, and the formation mechanisms of CN and C are deduced. The CN violet system, the BΣ-XΣ (0-0) band, is chosen to extract plasma temperature from the experimental spectra.
This article was published in the following journal.
Name: Journal of hazardous materials
Multi-elemental imaging of soft tissues using Laser-induced breakdown spectroscopy, also known as LIBS, allows for the direct visualization of the distribution of endogenous or exogenous elements with...
The cell fusion is a widespread process, which takes place in many systems in vivo and in vitro. Fusion of cells is frequently related to tetraploidy, which can be found within natural physiological c...
We present a simulation method to reproduce the damage crater formation and particle ejection phenomena observed in the laser-induced surface damage process of potassium dihydrogen phosphate (KDP) cry...
The present work illustrates the potential of laser-induced breakdown spectroscopy (LIBS) for the direct analysis of liquid food products. The aim of the experiment was to predict calcium content in r...
To optimize optical coating materials, designs, and technologies for high damage resistance, understanding the growth of laser damage is of paramount importance. In this Letter, we show the evolution ...
Evaluate the feasibility of performing a multi-elemental imaging analysis of lung specimens from patients with ILDs, with an technology named LIBS (Laser Induced-Breakdown Spectroscopy)
Periodontitis is a chronic inflammatory disease caused by mixed infections with the subgingival microbiota being organized as a biofilm that, if untreated, may result in breakdown of the p...
Striae alba is a clinical variant of striae distensae characterized by focal dermal collagen loss and thinning of elastic fibers. Carbon dioxide (CO2) laser is an ablative laser modality t...
Surgical standard for treating traumatic burn injury scarring is to wait one year following the initial assault prior to beginning treatment. This study investigates the use of fractional ...
Women with genitourinary syndrome of menopause, with breast or endometrial cancer are randomized to either laser treatment og sham treatment for 3 months. The randomization is stratified f...
A technique utilizing a laser coupled to a catheter which is used in the dilatation of occluded blood vessels. This includes laser thermal angioplasty where the laser energy heats up a metal tip, and direct laser angioplasty where the laser energy directly ablates the occlusion. One form of the latter approach uses an EXCIMER LASER which creates microscopically precise cuts without thermal injury. When laser angioplasty is performed in combination with balloon angioplasty it is called laser-assisted balloon angioplasty (ANGIOPLASTY, BALLOON, LASER-ASSISTED).
Techniques using laser energy in combination with a balloon catheter to perform angioplasty. These procedures can take several forms including: 1, laser fiber delivering the energy while the inflated balloon centers the fiber and occludes the blood flow; 2, balloon angioplasty immediately following laser angioplasty; or 3, laser energy transmitted through angioplasty balloons that contain an internal fiber.
Treatment using irradiation with LASER light of low power intensity so that the effects are not due to heat, as in LASER THERAPY. These non-thermal effects are thought to be mediated by a photochemical reaction that alters CELL MEMBRANE PERMEABILITY, leading to increased mRNA synthesis and CELL PROLIFERATION. Low-level laser therapy has been used for a wide variety of conditions, but most frequently for wound healing and pain control.
Fragmentation of CALCULI, notably urinary or biliary, by LASER.
Prostaglandin-like compounds produced by free radical-induced peroxidation of DOCOSAHEXAENOIC ACIDS, which are highly enriched in the brain. Formation is analogous to ISOPROSTANES formation from ARACHIDONIC ACID.
Blood is a specialized bodily fluid that delivers necessary substances to the body's cells (in animals) – such as nutrients and oxygen – and transports waste products away from those same cells. In vertebrates, it is composed of blo...