Synthesis and in vitro PDT evaluation of new porphyrins containing meso-epoxymethylaryl cationic groups.

abstract：:The time constant model, as an approximation to the bio-heat equation, was tested for non-ablating, deep penetrating (argon) laser beams in absorbing tissue phantoms (polyacrylamide) in air. Temperature responses were measured with a thermal camera, both during laser irradiation as well as after the laser beam was swi...

journal_title：Lasers in surgery and medicine

authors： Meijering LJ,van Gemert MJ,Gijsbers GH,Welch AJ

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:In previous investigations, small variations in the energy densities of low level light therapy (LLLT) were found to produce significant differences in the proliferation of resting T-lymphocytes in vitro. Pulsing these cells with mitogen in addition to laser therapy produced inhibitory effects ...

journal_title：Lasers in surgery and medicine

authors： Agaiby AD,Ghali LR,Wilson R,Dyson M

更新日期：2000-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The Holmium: YAG (Ho: YAG) laser has been used for the ablation of prolapsed discs but alternative techniques are available, and this application remains controversial. It also has potential for the decompression of nerve roots within narrowed foraminae with the technique of endoscopic laser fo...

journal_title：Lasers in surgery and medicine

authors： Hafez MI,Zhou S,Coombs RR,McCarthy ID

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:To functionally evaluate the efficacy of glatiramer acetate (Cop-1) as a neuroprotective treatment for laser-induced retinal injuries in rats. STUDY DESIGN/MATERIALS AND METHODS:Using standard lasering and flash ERG techniques, we evaluated the effect of photocoagulation and of Cop-1 treatmen...

journal_title：Lasers in surgery and medicine

authors： Belokopytov M,Ben-Shlomo G,Rosner M,Belkin M,Dubinski G,Epstein Y,Ofri R

更新日期：2008-03-01 00:00:00

abstract：:Low power laser irradiation has been reported to cause biological effects due to the photochemical and/or photophysical action of the radiation. This study determined quantitatively if transcutaneous low power laser irradiation can affect the regeneration of the rat facial nerve. The facial nerve was crushed unilatera...

journal_title：Lasers in surgery and medicine

authors： Anders JJ,Borke RC,Woolery SK,Van de Merwe WP

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Photodynamic therapy (PDT) has been used as a therapeutic alternative to treat periodontitis, especially in challenging sites that require additional periodontal therapy such as residual pockets. The aim of this split-mouth randomized trial was to evaluate the microbiological and clinical effec...

journal_title：Lasers in surgery and medicine

authors： Corrêa MG,Oliveira DH,Saraceni CH,Ribeiro FV,Pimentel SP,Cirano FR,Casarin RC

更新日期：2016-12-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:The argon laser-assisted vascular anastomosis may solve the problems of conventional sutured anastomosis, such as vascular stenosis and arrest of growth owing to a foreign-body reaction to suture material. STUDY DESIGN/MATERIALS AND METHODS:Twelve argon laser-assisted vascular anastomoses, se...

journal_title：Lasers in surgery and medicine

authors： Chikamatsu E,Sakurai T,Nishikimi N,Yano T,Nimura Y

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The clinical use of lasers to cut and coagulate tissue necessitates a better understanding of how the residual thermal damage affects healing. This study was designed to evaluate the effects of varying degrees of thermal damage on the healing process. STUDY DESIGN, MATERIALS AND METHODS:Partia...

journal_title：Lasers in surgery and medicine

authors： Jaffe BH,Walsh JT Jr

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Moraxella catarrhalis is a significant cause of pediatric otitis media (OM), which is the most prevalent bacterial infection in children and primary reason for antibiotic administration in this population. Moreover, biofilm formation has been implicated as a primary mechanism of chronic or recu...

journal_title：Lasers in surgery and medicine

authors： Luke-Marshall NR,Mang TS,Hansen LA,Campagnari AA

更新日期：2014-11-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Inhibition of cyclooxygenase (COX) and prostaglandin E(2) (PGE(2)) protects cells against cell injury in specific pathophysiological situations: inflammation and oxidative stress. Although the anti-inflammatory effects have been reported in clinical fields for specific wavelength irradiation d...

journal_title：Lasers in surgery and medicine

authors： Lim W,Lee S,Kim I,Chung M,Kim M,Lim H,Park J,Kim O,Choi H

更新日期：2007-08-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Phototherapy plus dynamic exercise can enhance physical performance and improve health. The aim of our study was to evaluate the effect of low-level laser therapy (LLLT) associated with high intensity resistance training (HIT) on cardiac autonomic and muscle metabolic responses in rats. STUDY ...

journal_title：Lasers in surgery and medicine

authors： Paolillo FR,Arena R,Dutra DB,de Cassia Marqueti Durigan R,de Araujo HS,de Souza HC,Parizotto NA,Cipriano G Jr,Chiappa G,Borghi-Silva A

更新日期：2014-12-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Erbium lasers are potential tools to remove caries and dental hard tissue but bond strengths of composites to those preparations are reported to be lower than conventional methods. The purpose of this study was to evaluate the effect of mechanical excavation and/or chemical alteration on bond s...

journal_title：Lasers in surgery and medicine

authors： Obeidi A,McCracken MS,Liu PR,Litaker MS,Beck P,Rahemtulla F

更新日期：2009-08-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Some oral bacteria are susceptible to killing by red light after their sensitization with toluidine blue O (TBO). The photochemotherapy of periodontal disease in vivo would require a therapeutic window where bacteria could be killed without adjacent normal tissue damage. STUDY DESIGN/MATERIALS...

journal_title：Lasers in surgery and medicine

authors： Soukos NS,Wilson M,Burns T,Speight PM

更新日期：1996-01-01 00:00:00

abstract：:This study characterizes the special properties of hematoporphyrin derivative (HpD) (Photofrin I) and Photofrin II with respect to the absorption and fluorescence spectra of the subfractions of the compounds in both solution and cells. In addition, data are presented demonstrating variation in the spectral amplitudes ...

journal_title：Lasers in surgery and medicine

authors： Sun CH,Duzman E,Mellott J,Liaw LH,Berns MW

更新日期：1987-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Keloids have been treated with flashlamp pulsed dye lasers (PDLs) with good results. We investigated whether PDL treatments induced keloid regression by decreasing growth factor-beta(1) (TGF-beta(1)) induction, thereby reducing fibroblast proliferation and collagen deposition. STUDY DESIGN/MA...

journal_title：Lasers in surgery and medicine

authors： Kuo YR,Jeng SF,Wang FS,Chen TH,Huang HC,Chang PR,Yang KD

更新日期：2004-01-01 00:00:00

abstract：INTRODUCTION:The pulsed dye laser (PDL) using varying fluences and pulse durations have been used to treat hemangiomas. This study aims to examine the efficacy and safety of the 595-nm PDL for the treatment of infantile hemangiomas using short (1.5-3 milliseconds) versus long (10 milliseconds) pulse durations and high ...

journal_title：Lasers in surgery and medicine

authors： Tay YK,Tan SK

更新日期：2012-02-01 00:00:00

abstract：:The advantages of the laser have been extolled in the literature but, in contrast, there is a paucity of information on the hazards involved in its surgical use. Recognition and prevention of risks is a mandatory requirement. The experience by encounter is described with counsel as to the prerequisite of taking precau...

journal_title：Lasers in surgery and medicine

authors： Lobraico RV

更新日期：1984-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Alternative treatments are needed to achieve consistent and more complete port wine stain (PWS) removal, especially in darker skin types; photodynamic therapy (PDT) is a promising alternative treatment. To this end, we previously reported on Talaporfin Sodium (TS)-mediated PDT. It is essential ...

journal_title：Lasers in surgery and medicine

authors： Moy WJ,Yao J,de Feraudy SM,White SM,Salvador J,Kelly KM,Choi B

更新日期：2017-10-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Swelling and trismus are complications experienced by nearly all subjects after undergoing oral surgery for the removal of impacted teeth. The main purpose of this paper was to compare the effects of photobiomodulation therapy (PBMT) at two different wavelengths applied intra-orally and extra-o...

journal_title：Lasers in surgery and medicine

authors： Sierra SO,Deana AM,Bussadori SK,da Mota AC,Ferrari RA,do Vale KL,Fernandes KP

更新日期：2016-07-01 00:00:00

abstract：:A modified excimer laser energy delivery system was used to irradiate 100 segments of normal and fibrous aorta in vitro. The laser beam was scanned into 8 fiber bundles consisting of 50 fibers each resulting in a reduction of the applied pulse energy. The total repetition rate was increased to 150 Hz in order to keep ...

journal_title：Lasers in surgery and medicine

authors： Xie DY,Hassenstein S,Oberhoff M,Hanke H,Baumbach A,Hohla K,Haase KK,Karsch KR

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND:Femtosecond (fs) Laser Ionisation Mass Spectrometry (fs-LIMS) on colon tissues are described and investigated using ionization/fragmentation processes in details to present a new application in this study. Linear Time of Flight (L-TOF) mass analyzer was utilized to investigate paraffin-embedded human tissue ...

journal_title：Lasers in surgery and medicine

authors： Gündoğdu Y,Alptekin H,Karabağlı P,Şahin M,Kilic HŞ

更新日期：2019-04-01 00:00:00

abstract：:Fluorescence spectroscopy is a promising new technique for discrimination of normal and atherosclerotic arterial tissues. It has been suggested that this technique be used as a guidance system for laser angiosurgery catheters; however, irradiation by 476-nm light can change the spectroscopic properties of arterial tis...

journal_title：Lasers in surgery and medicine

authors： Chaudhry HW,Richards-Kortum R,Kolubayev T,Kittrell C,Partovi F,Kramer JR,Feld MS

更新日期：1989-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Laser-induced photo thermal damage has been combined with photodynamic therapy (PDT) using a systemic photosensitiser to treat vascular lesions. The efficacy of PDT using systemic 5-aminolaevulinic acid (5-ALA) as the photosensitiser and pulsed dye laser (PDL) as the light source in port wine ...

journal_title：Lasers in surgery and medicine

authors： Evans AV,Robson A,Barlow RJ,Kurwa HA

更新日期：2005-04-01 00:00:00

abstract：:A 63 year old male underwent 6,900 rads of external radiation for a squamous cell carcinoma of the left main bronchus. Recurrence of the tumor 8 months later was treated with 6,618 joules and patency of the left main bronchus was restored. Four months later, he developed complete atelectasis of the left lung requiring...

journal_title：Lasers in surgery and medicine

authors： Golish JA,Pena CM,Mehta AC

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Postoperative scarring after thyroidectomy is a problem for both patients and clinicians. Recently, both non-ablative and ablative fractional laser (NFL and AFL) systems have attracted attention as potential therapies for the revision of thyroidectomy scars. The present split-scar study was des...

journal_title：Lasers in surgery and medicine

authors： Shin JU,Gantsetseg D,Jung JY,Jung I,Shin S,Lee JH

更新日期：2014-12-01 00:00:00

abstract：:Heat-induced oxygen tension changes in RIF-1 tumors in C3H male mice were analyzed in an attempt to correlate these changes with tumor response to Nd:YAG laser heating. A low power, microprocessor-controlled Nd:YAG laser was used to superficially heat 250-300 mm3 tumors to base temperatures of 44, 45, 46, or 48 degree...

journal_title：Lasers in surgery and medicine

authors： Fahy AK,Waldow SM

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND:We sought to investigate risk factors for recurrence of vaginal intraepithelial neoplasia (VAIN) in the vaginal vault after laser vaporization. MATERIALS AND METHODS:Among 162 patients treated with laser vaporization in the vaginal vault after hysterectomy between March 1998 and August 2007, the clinical da...

journal_title：Lasers in surgery and medicine

authors： Kim HS,Park NH,Park IA,Park JH,Chung HH,Kim JW,Song YS,Kang SB

更新日期：2009-03-01 00:00:00

abstract：OBJECTIVE:To determine whether laser light can improve healing of skin wounds by killing wound bacteria while simultaneously accelerating host tissue activity. MATERIALS AND METHODS:Wounds on the rat dorsum were irradiated or sham-irradiated three times weekly from days 1 to 19 using 635 or 808 nm diode lasers at 1 or...

journal_title：Lasers in surgery and medicine

authors： Nussbaum EL,Mazzulli T,Pritzker KP,Heras FL,Jing F,Lilge L

更新日期：2009-07-01 00:00:00

abstract：:Laser photocoagulation has proven to be valuable in the treatment of port-wine stains. In this application, the minimal blanching technique is used as an indicator of suitable dosage since it has been demonstrated that the immediate appearance a white mark is required to achieve permanent blanching a few months later....

journal_title：Lasers in surgery and medicine

authors： Mordon S,Beacco C,Rotteleur G,Brunetaud JM

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND:Photodynamic therapy (PDT) using topical aminolevulinic acid (ALA) depends on local drug uptake, metabolism to porphyrins, and depth of light penetration using different wavelengths. Topical ALA-PDT has limited depth of drug penetration. We studied induced porphyrin distribution and PDT after intradermal ALA...

journal_title：Lasers in surgery and medicine

authors： Sakamoto FH,Doukas AG,Farinelli WA,Tannous Z,Su Y,Smith NA,Zurakowski D,Anderson RR

更新日期：2011-09-01 00:00:00