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Pulsed dye laser

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https://www.readbyqxmd.com/read/28213832/dynamic-fluorescence-microscopy-of-cellular-uptake-of-intercalating-model-drugs-by-ultrasound-activated-microbubbles
#1
B H A Lammertink, R Deckers, M Derieppe, I De Cock, I Lentacker, G Storm, C T W Moonen, C Bos
PURPOSE: The combination of ultrasound and microbubbles can facilitate cellular uptake of (model) drugs via transient permeabilization of the cell membrane. By using fluorescent molecules, this process can be studied conveniently with confocal fluorescence microscopy. This study aimed to investigate the relation between cellular uptake and fluorescence intensity increase of intercalating model drugs. PROCEDURES: SYTOX Green, an intercalating fluorescent dye that displays >500-fold fluorescence enhancement upon binding to nucleic acids, was used as a model drug for ultrasound-induced cellular uptake...
February 17, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28192297/controlling-and-tracking-of-colloidal-nanostructures-through-two-photon-fluorescence
#2
Dipankar Mondal, Debabrata Goswami
Multiphoton absorbing dye-coated trapped spherical bead at the focal plane of femtosecond optical tweezers shows nonlinear optical (NLO) phenomena. One such NLO process of two-photon fluorescence (TPF) has been used for the background-free imaging of a femtosecond laser-trapping event. Due to the high peak powers of femtosecond laser pulses with low average powers, it is possible to not only trap single nanospheres, but encourage optically directed self-assembly. The TPF signatures of trapped particles show evidence of such a directed self-assembly process which, in turn, can provide information about the structural dynamics during the process of cluster formation...
October 7, 2016: Methods and Applications in Fluorescence
https://www.readbyqxmd.com/read/28191657/prospective-open-label-rater-blinded-and-self-controlled-pilot-study-of-the-treatment-of-proliferating-superficial-infantile-hemangiomas-with-0-5-topical-timolol-cream-versus-595-nm-pulsed-dye-laser
#3
Hanru Ying, Yun Zou, Wenxin Yu, Yajing Qiu, Gang Ma, Lei Chang, Yifei Gu, Dongze Lyu, Xiaoxi Lin
Topical timolol and 595-nm pulsed dye laser (PDL) are both widely used in the treatment of superficial infantile hemangiomas (IH). However, to date, there is no reliable study comparing the therapeutic outcomes between the two treatment options. We designed the present study to evaluate and compare the efficacy and safety of timolol cream and PDL in the treatment of superficial proliferating IH. Twenty-one patients with superficial IH were included in the study. Each lesion was divided into two regions; one part was treated with 0...
February 13, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28181222/systematic-review-of-laser-therapy-in-xanthelasma-palpebrarum
#4
REVIEW
Austin H Nguyen, Adam M Vaudreuil, Christopher J Huerter
Xanthelasma palpebrarum is a benign periorbital xanthoma with substantial cosmetic and psychosocial burden for patients. Treatment modalities should be considered based on efficacy as well as cosmetic outcome. Laser modalities in the treatment of xanthelasma palpebrarum have not been comprehensively reviewed and discussed. Accordingly, this study seeks to systematically and critically review the available literature discussing laser treatment of xanthelasma palpebrarum. PubMed was systematically reviewed for reports on laser therapy in the treatment of xanthelasma palpebrarum...
March 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28166093/cutaneous-involvement-in-adult-multisystemic-langerhans-cell-histiocytosis-successfully-treated-with-pulsed-dye-laser
#5
Ximena Calderón-Castrat, Monica Roncero-Riesco, María T Alonso-San Pablo, Ángel Santos-Briz, Emilia Fernández-López
No abstract text is available yet for this article.
February 3, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28134994/retrospective-analysis-of-the-treatment-of-melasma-lesions-exhibiting-increased-vascularity-with-the-595-nm-pulsed-dye-laser-combined-with-the-1927-nm-fractional-low-powered-diode-laser
#6
REVIEW
Elizabeth R C Geddes, Ashlyn B Stout, Paul M Friedman
BACKGROUND: Melasma presents a significant challenge to laser surgeons. Aggressive treatments often result in rebound melasma or post-inflammatory pigmentary alteration. Recent reports suggest melasma pathogenesis may have a vascular component. Spectrocolorimetry can detect subtle or sub-clinical telangiectatic erythema within melasma lesions. For certain patients identified by spectrocolorimetry, effective melasma treatment may include vascular-targeted therapy together with pigment-specific treatment modalities...
January 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28118926/treatment-of-nail-psoriasis-with-pulse-dye-laser-plus-calcipotriol-betametasona-gel-vs-nd-yag-plus-calcipotriol-betamethasone-gel-an-intrapatient-left-to-right-controlled-study
#7
L C Arango-Duque, M Roncero-Riesco, T Usero Bárcena, I Palacios Álvarez, E Fernández López
BACKGROUND: Treatment of nail psoriasis remains a challenging and often disappointing situation. OBJECTIVE: To compare the efficacy, adverse reactions and tolerability of treatment of nail psoriasis with PDL vs. Nd:YAG, in association with betametasona calcipotriol gel. METHODS: An open, prospective intrapatient left-to-right study was designed. The right hand of each patient received treatment with PDL and the left hand with Nd:YAG. Betamethasone calcipotriol gel was applied once a day during the first week after each laser session...
January 21, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28095541/safety-and-efficacy-evaluation-of-pulsed-dye-laser-treatment-co-sub-2-sub-ablative-fractional-resurfacing-and-combined-treatment-for-surgical-scar-clearance
#8
Joel L Cohen, Roy Geronemus
BACKGROUND & OBJECTIVE: Surgical scars are an unwanted sequela following surgical procedures. Several different treatment modalities and approaches are currently being employed to improve the cosmesis of surgical scars with each having varying degrees of success. The objective of this study was to assess the ef cacy and safety pulsed dye laser treatment, CO2 ablative fractional resurfacing, and a combined treatment with these two modalities for the cosmetic improvement of surgical scarring that occurred following the surgical removal of skin cancer from different anatomic areas...
November 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28088993/treatment-of-recalcitrant-port-wine-stains-pws-using-a-combined-pulsed-dye-laser-pdl-and-radiofrequency-rf-energy-device
#9
Yoon-Soo Cindy Bae, Hamad Alabdulrazzaq, Jeremy A Brauer, Roy G Geronemus
BACKGROUND: Pulsed dye laser (PDL) is the treatment of choice for port-wine stains (PWS). Some PWS are recalcitrant to this modality. A number of reasons for PDL treatment resistance have been described, including inadequate heat generation. OBJECTIVE: We evaluated PDL combined with radiofrequency (RF) energy into a single device to target larger and deeper blood vessels and overcome PDL resistance. METHOD: This was an open-label, prospective, single-center investigation of a novel device combining RF energy with PDL conducted to treat recalcitrant PWS...
February 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28079942/treatment-of-capillary-malformation-using-topical-timolol-combined-with-585-nm-pulsed-dye-laser-a-prospective-randomized-split-lesion-study
#10
Sang-Jin Cheon, Woo-Haing Shim, Gun-Wook Kim, Hoon-Soo Kim, Byung-Soo Kim, Moon-Bum Kim, Hyun-Chang Ko
Capillary malformation (CM) is a congenital vascular malformation characterized by the dilation of superficial dermal blood vessels.(1)  Currently, pulsed dye laser (PDL) is considered the gold standard for the treatment of CM.(1)  However, its use results in incomplete clearance despite multiple sessions and relapses during long-term follow-up.(1)  Alternative methods are needed to achieve improved therapeutic results. This article is protected by copyright. All rights reserved.
January 12, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28078504/pulsed-dye-laser-on-ecchymoses-clinical-and-histological-assessment
#11
Adrián Alegre-Sánchez, D Saceda-Corralo, G Segurado-Miravalles, D de Perosanz-Lobo, P Fonda-Pascual, O M Moreno-Arrones, D Buendía-Castaño, B Perez-García, P Boixeda
No abstract text is available yet for this article.
January 11, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28059252/temporal-resolution-beyond-the-average-pulse-duration-in-shaped-noisy-pulse-transient-absorption-spectroscopy
#12
Kristina Meyer, Niklas Müller, Zuoye Liu, Thomas Pfeifer
In time-resolved spectroscopy, it is a widespread belief that the temporal resolution is determined by the laser pulse duration. Recently, it was observed and shown that partially coherent laser pulses as they are provided by free-electron-laser (FEL) sources offer an alternative route to reach a temporal resolution below the average pulse duration. Here, we demonstrate the generation of partially coherent light in the laboratory like we observe it at FELs. We present the successful implementation of such statistically fluctuating pulses by using the pulse-shaping technique...
December 20, 2016: Applied Optics
https://www.readbyqxmd.com/read/28056485/evidence-of-invasive-and-non-invasive-treatment-modalities-for-hypertrophic-scars-a-systematic-review
#13
Mona Kafka, Vanessa Collins, Lars-Peter Kamolz, Thomas Rappl, Ludwik K Branski, Paul Wurzer
Currently, there are various therapeutic approaches to reduce hypertrophic scarring, however, there is no standard evidence-based treatment protocol. Hence, we performed a systematic review to obtain a summary of the latest clinical trials to evaluate evidence for the treatment of hypertrophic scars. The review protocol was registered and approved by PROSPERO (CRD42015027040). PubMed and Web of Science were searched using predefined MeSH-Terms to identify studies published within the last 10 years regarding treatment for hypertrophic scars...
January 5, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28043177/the-pulsed-dye-laser-is-more-effective-and-rapidly-acting-than-intralesional-meglumine-antimoniate-therapy-for-cutaneous-leishmaniasis
#14
Mohammad Radmanesh, Ehsan Omidian
BACKGROUND AND OBJECTIVE: The Pulsed dye laser (PDL) is not tested yet for the treatment of cutaneous leishmaniasis (CL). We compared the efficacy of 585nm PDL with intralesional meglumine antimoniate (MA) on 17 patients with 81 lesions of cutaneous leishmaniasis. PATIENTS AND METHOD: Out of the 81 lesions, 42 lesions were treated with one or two passes of PDL fortnightly and 39 lesions in the same patients were treated with intralesional MA weekly. The fluence chosen for the laser was 7 Joules/cm2 with 5mm spot size...
January 3, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28004204/treatment-of-lupus-erythematosus-of-the-eyelids-with-pulsed-dye-laser
#15
Susana Brás, Borja Gonzalez, Gonzalo Segurado-Miravalles, Pablo Boixeda
No abstract text is available yet for this article.
December 21, 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/28003769/chronic-radiation-induced-dermatitis-challenges-and-solutions
#16
REVIEW
Mateusz Spałek
Chronic radiation dermatitis is a late side effect of skin irradiation, which may deteriorate patients' quality of life. There is a lack of precise data about its incidence; however, several risk factors may predispose to the development of this condition. It includes radiotherapy dose, fractionation, technique, concurrent systemic therapy, comorbidities, and personal and genetic factors. Chronic radiation dermatitis is mostly caused by the imbalance of proinflammatory and profibrotic cytokines. Clinical manifestation includes changes in skin appearance, wounds, ulcerations, necrosis, fibrosis, and secondary cancers...
2016: Clinical, Cosmetic and Investigational Dermatology
https://www.readbyqxmd.com/read/27987326/risk-factors-for-recurrence-after-successful-treatment-of-warts-the-role-of-smoking-habits
#17
P L Bencini, S Guida, S Cazzaniga, G Pellacani, M G Galimberti, M Bencini, L Naldi
BACKGROUND: Several therapies have been proposed for cutaneous warts without results concerning factors affecting recurrences. OBJECTIVE: To determine the importance of individual characteristics and different therapy modalities in the occurrence of relapses. METHODS: Observational prospective cohort study including 199 patients affected by multiple plantar warts treated as follows: 49 with keratolytics, 50 with CO2 laser, 50 with pulsed dye laser (PDL) and 50 with cryotherapy...
December 17, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27958517/all-optically-controllable-nanoparticle-random-laser-in-a-well-aligned-laser-dye-doped-liquid-crystal
#18
Chi-Huang Chang, Chie-Tong Kuo, Han-Ying Sun, Shih-Hung Lin, Chi-Wu Chang, Shuan-Yu Huang
This study reports for the first time an all-optically controllable nanoparticle random laser (NPRL) in a well-aligned laser-dye-doped liquid crystal (LDDLC) cell added with NPs and azo-dyes. Experimental results display that the NPRL can be obtained when the pumped energy exceeds the energy threshold (~3.5 μJ/pulse). The occurrence of the NPRL is attributable to the enhancement of the fluorescence by the multi-scattering events of the fluorescence photons from the randomly distributed NPs in the diffusion rout of the well-aligned LDDLC cell...
December 12, 2016: Optics Express
https://www.readbyqxmd.com/read/27936606/polymeric-self-assemblies-with-boron-containing-near-infrared-dye-dimers-for-photoacoustic-imaging-probes
#19
Koji Miki, Akane Enomoto, Tatsuhiro Inoue, Tatsuya Nabeshima, Sousuke Saino, Soji Shimizu, Hideki Matsuoka, Kouichi Ohe
Polymers containing pyrrolopyrrole aza-BODIPY (PPAB) and thiophene-bridged BODIPY dimers (TBD) having poly(ethylene glycol) (PEG) or PEGylated hyaluronic acid (HA) were prepared by facile conjugation approaches. Self-assemblies consisting of TBD-conjugated polymers more efficiently generated photoacoustic (PA) signals than PPAB-PEG conjugate upon irradiation with near-infrared pulsed laser light. Among dye-conjugated polymers examined, TBD-HA-PEG conjugates efficiently generated photoacoustic signals, 1.49-1...
December 12, 2016: Biomacromolecules
https://www.readbyqxmd.com/read/27930373/pulsed-dye-laser-for-disfiguring-livedoid-changes-after-chemoradiotherapy
#20
Selina Singh, Sirunya Silapunt
No abstract text is available yet for this article.
December 2, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
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