Results 81 to 90 of about 32,025 (180)

Cascaded half-harmonic generation of femtosecond frequency combs in mid-IR [PDF]

, 2015
For the growing demand of frequency combs in mid-infrared (mid-IR), known as the "molecular fingerprint" region of the spectrum [1], down conversion of near-IR frequency combs through half- harmonic generation offers numerous benefits including high ...
Byer, Robert L., Ingold, Kirk A., Jankowski, Marc, Marandi, Alireza   +3 more
core   +1 more source

Effect of Photobiomodulation on Vinblastine-Poisoned Murine HERS Cells [PDF]

, 2010
Objective: The aim of this study was to investigate the effect of near-infrared (NIR) photobiomodulation on the proliferation and glutathione levels in murine Hertwig\u27s epithelial root sheath (HERS) cells after poisoning with vinblastine.
Buchmann, E., Henry, Michele M, Hodgson, Brian D., Pyszka, B., Whelan, Harry T.   +4 more
core   +1 more source

Space-Time Reference with an Optical Link

, 2015
We describe a method for realizing a high-performance Space-Time Reference (STR) using a stable atomic clock in a precisely defined orbit and synchronizing the orbiting clock to high-accuracy atomic clocks on the ground.
Berceau, Paul, Hollberg, Leo, Kahn, Joseph M., Taylor, Michael   +3 more
core   +1 more source

Fractional Carbon Dioxide Laser as an "Add-on" Treatment for Vitiligo: A Meta-analysis with Systematic Review.

Acta Dermato-Venereologica, 2017
Treatment of vitiligo is challenging and requires a multidisciplinary approach. Fractional carbon dioxide (CO2) laser as an add-on to conventional treatment has been reported to be effective, but there is no consensus on its use.
Hyun Jung Kim, Eun Sun Hong, Sang Hyun Cho, Jeong Deuk Lee, Hei Sung Kim   +4 more
doaj   +1 more source

Role of insulin in combination with fractional carbon dioxide laser in treatment of nonsegmental vitiligo: a controlled study

Journal of the Egyptian Women’s Dermatologic Society
Background Treatment of vitiligo targets controlling immunological pathways, stimulating melanocyte regeneration, and decreasing oxidative stress. Insulin can increase the synthesis of multiple growth factors when applied topically.
Ragia H. Weshahy, Shahenda A. Ramez
doaj   +1 more source

Study of different pre-treatments in the comparison of the efficacy of photodynamic therapy for moderate to severe acne vulgaris

Photodiagnosis and Photodynamic Therapy
Objective: To evaluate the efficacy of CO2 fractional laser and microneedling pretreatment combined with ALA-PDT for moderate-to-severe acne, aiming to optimize clinical treatment.
Yue Liu, Dan-dan Sun, Shu-ying Chang, Lin-lin Ma, Guan Jiang   +4 more
doaj   +1 more source

Evaluating the efficacy of combining fractional CO2 laser and topical tranexamic acid for burn scar and hyperpigmentation treatment: A prospective, randomized, single-blinded, split-body study

Dermatologica Sinica
Background: A fractional carbon dioxide (CO2) laser can improve the appearance of burn scars. In addition, tranexamic acid (TXA) inhibits melanin production for whitening effects.
Ching-Ya Huang, Cen-Hung Lin, Yueh-Ju Tsai, Ko-Chien Lin, Spencer Chia-Hao Kuo, Lai-San Wong, Hui-Ping Lin, Ching-Hua Hsieh   +7 more
doaj   +1 more source

Development summary of a sympathetic discharge CO2 laser for lidar use [PDF]

A commercial pulsed sympathetic discharge laser has been characterized and modified for use as a potential lidar. This report summarizes the initial findings and modifications made to the baseline system.
Jaenisch, Holger M., Johnson, R. Barry
core   +1 more source

Combined fractional carbon dioxide laser with long pulsed Nd:YAG laser for treatment of immature hypertrophic scar

Journal of the Egyptian Women’s Dermatologic Society
Background Immature hypertrophic scar complicated with contracture, disability, disfigurement, social embarrassment, pain, itching, residual scar, and prolonged maturation period.
Zaynab S. Keshk, Manal M. Salah, Neiven A. Samy   +2 more
doaj   +1 more source

The Efficacy of fractional CO2 laser in management of surgical wound scars

مجله كليه طب الكندي, 2014
Background: Atrophic postoperative and traumatic scarring are common cosmetic problems for patients. Combining CO2 laser ablation with a fractional photothermolysis system in a treatment known as ablative fractional resurfacing fulfilling the new ...
Abbas M, suhan, Maha, Darweesh
doaj