keyword
https://read.qxmd.com/read/31878545/visible-light-assisted-condensation-of-ultrasonically-atomized-water-vapor-on-linbo-3-fe-crystals
#21
JOURNAL ARTICLE
Kaifang Gao, Xiong Zhang, Zhitao Zan, Zuoxuan Gao, E R Mugisha, Lihong Shi, Yingkun Ma, Feifei Li, Chao Liang, Manyi Ren, Hongjian Chen, Wenbo Yan
Optically massive trapping of the moisture in the air into an adjacent surface is a potential technique in the fields of bacterial adhesion and microfluidic generation, which is quite important to the development of LN-based biological lab-on-chips. Here we demonstrate on a LiNbO3 :Fe substrate the visible-light-assisted condensation of the water vapor in a flowing stream created by an ultrasonic atomizer. Through analyzing the dynamic processes of the visible-light-assisted water condensation at different illumination intensities, it is found that the extent of the water condensation, the bending angle of water vapor trails and the interaction range of the condensation effect are highly dependent on the illumination intensity...
December 23, 2019: Optics Express
https://read.qxmd.com/read/31804941/the-effects-of-subcellular-nanograting-geometry-on-the-formation-and-growth-of-bacterial-biofilms
#22
JOURNAL ARTICLE
Chang Quan Lai
Biofilm formation by bacteria protects them against environmental stresses such as desiccation, shear forces and antimicrobial agents, making them much harder to remove and increasing their virulence and persistence in industrial water systems and biomedical equipment. One promising method of disrupting biofilm formation and growth is to employ passive surface structures to inhibit bacterial adhesion and aggregation. However, most studies thus far have mainly focused on the early stages of biofilm formation and it is unclear if the influence of surface topography in the early phase will propagate to later stages...
April 2020: IEEE Transactions on Nanobioscience
https://read.qxmd.com/read/31794181/light-guided-surface-plasmonic-bubble-movement-via-contact-line-de-pinning-by-in-situ-deposited-plasmonic-nanoparticle-heating
#23
JOURNAL ARTICLE
Qiushi Zhang, Yunsong Pang, Jarrod Schiffbauer, Aleksandar Jemcov, Hsueh-Chia Chang, Eungkyu Lee, Tengfei Luo
Precise spatiotemporal control of surface bubble movement can benefit a wide range of applications like high-throughput drug screening, combinatorial material development, microfluidic logic, colloidal and molecular assembly, and so forth. In this work, we demonstrate that surface bubbles on a solid surface are directed by a laser to move at high speeds (>1.8 mm/s), and we elucidate the mechanism to be the depinning of the three-phase contact line (TPCL) by rapid plasmonic heating of nanoparticles (NPs) deposited in situ during bubble movement...
December 26, 2019: ACS Applied Materials & Interfaces
https://read.qxmd.com/read/31780019/photobiomodulation-in-acceleration-of-orthodontic-tooth-movement-a-systematic-review-and-meta-analysis
#24
REVIEW
Ibrahim AlShahrani, Rafi Ahmed Togoo, Jagadish Hosmani, Ali Alhaizaey
BACKGROUND: Photobiomodulation therapy, a non invasive method with no adverse effects, has been used to accelerate tooth movement in orthodontia. However, the specific characteristics of laser settings used in studies documented have reported varied inconsistent conflicting results. OBJECTIVES: We decided to undertake a systematic review to eliminate this inconsistency by quantifying the literature studies that indicated the link between photobiomodulation and acceleration of tooth movement and to assess if there is any association of photobiomodulation therapy in accelerating tooth movement...
December 2019: Complementary Therapies in Medicine
https://read.qxmd.com/read/31387569/effect-of-non-surgical-periodontal-therapy-on-glycemic-control-of-type-2-diabetes-mellitus-a-systematic-review-and-bayesian-network-meta-analysis
#25
JOURNAL ARTICLE
Ruoyan Cao, Qiulan Li, Qiqi Wu, Mianfeng Yao, Yu Chen, Hongbo Zhou
BACKGROUND: Glycemic control is vital in the care of type 2 diabetes mellitus (T2DM) and is significantly associated with the incidence of clinical complications. This Bayesian network analysis was conducted with an aim of evaluating the efficacy of scaling and root planning (SRP) and SRP + adjuvant treatments in improving glycemic control in chronic periodontitis (CP) and T2DM patients, and to guide clinical practice. METHODS: We searched the Pubmed, Embase, Cochrane Library and Web of Science databases up to 4 May 2018 for randomized controlled trials (RCTs)...
August 6, 2019: BMC Oral Health
https://read.qxmd.com/read/29860138/photo-excitable-hybrid-nanocomposites-for-image-guided-photo-trail-synergistic-cancer-therapy
#26
JOURNAL ARTICLE
Gan Lin, Yang Zhang, Congqing Zhu, Chengchao Chu, Yesi Shi, Xin Pang, En Ren, Yayun Wu, Peng Mi, Haiping Xia, Xiaoyuan Chen, Gang Liu
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) can induce apoptosis in cancer cells without toxicity to normal cells. However, the efficiency is greatly limited by its short half-life and wild resistance in various cancer cells. In this study, we reported a micellar hybrid nanoparticle to carry TRAIL ligand (denoted as IPN@TRAIL) for a novel photo-excited TRAIL therapy. These IPN@TRAIL offered increased TRAIL stability, prolonged half-life and enhanced tumor accumulation, monitored by dual mode imaging...
September 2018: Biomaterials
https://read.qxmd.com/read/29543550/the-comparison-of-skin-rejuvenation-effects-of-vitamin-a-fractional-laser-and-their-combination-on-rat
#27
JOURNAL ARTICLE
Yan Qu, Ying Wang, Yan Zhang, Chunyu Han, Dong Gao, Waishu Jin, Jinning Liang, Xiujuan Xia
BACKGROUND: Because of long-term exposure of skin, skin aging is an unavoidable natural law with age. Traditional Vitamin A and novel ablative fractional laser technique both have the effects of skin rejuvenation, and studies have demonstrated both of them have apparent clinical efficacy and histology-improving effects on photo-aging skin. MATERIALS AND METHODS: 45 female healthy Wistar rats were selected and the depilation areas of every rat were divided into four regions: control region(Region A), Vitamin A acid region(Region B), combination treatment region(Region C), and fractional laser region(Region D)...
2019: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://read.qxmd.com/read/29400762/closed-loop-laser-polishing-using-in-process-surface-finish-metrology
#28
JOURNAL ARTICLE
Oliver Faehnle, Rolf Rascher, Christian Vogt, Dae Wook Kim
This paper lays out the trail onto a closed-loop polishing process of optical elements enabling the application of the optimum polishing time needed. To that aim, an in-process testing method for monitoring an inclusive microsurface quality (e.g., comprising surface roughness and scratch-and-dig) within the polishing spot is analyzed, and its applicability to closed-loop polishing for classical loose-abrasive full-aperture polishing as well as for computer-controlled laser polishing is experimentally tested and verified...
February 1, 2018: Applied Optics
https://read.qxmd.com/read/29341755/excitation-and-control-of-plasma-wakefields-by-multiple-laser-pulses
#29
JOURNAL ARTICLE
J Cowley, C Thornton, C Arran, R J Shalloo, L Corner, G Cheung, C D Gregory, S P D Mangles, N H Matlis, D R Symes, R Walczak, S M Hooker
We demonstrate experimentally the resonant excitation of plasma waves by trains of laser pulses. We also take an important first step to achieving an energy recovery plasma accelerator by showing that a plasma wave can be damped by an out-of-resonance trailing laser pulse. The measured laser wakefields are found to be in excellent agreement with analytical and numerical models of wakefield excitation in the linear regime. Our results indicate a promising direction for achieving highly controlled, GeV-scale laser-plasma accelerators operating at multikilohertz repetition rates...
July 28, 2017: Physical Review Letters
https://read.qxmd.com/read/28248862/acupuncture-therapy-in-the-management-of-the-clinical-outcomes-for-temporomandibular-disorders-a-prisma-compliant-meta-analysis
#30
JOURNAL ARTICLE
Jun-Yi Wu, Chao Zhang, Yang-Peng Xu, Ya-Yu Yu, Le Peng, Wei-Dong Leng, Yu-Ming Niu, Mo-Hong Deng
PURPOSE: The purpose of this study was to evaluate conventional acupuncture therapy in the management of clinical outcomes for temporomandibular disorders (TMD) in adults. METHODS: The electronic databases PubMed, EMBASE, Cochrane Central Register of Controlled Trials, and Clinical Trails.gov were searched for reports published until March 31, 2016. RESULTS: Nine eligible studies from 8 publications involving 231 patients were included in the meta-analysis...
March 2017: Medicine (Baltimore)
https://read.qxmd.com/read/28119106/comparison-of-ultrasound-guided-endovenous-laser-ablation-and-radiofrequency-for-the-varicose-veins-treatment-an-updated-meta-analysis
#31
COMPARATIVE STUDY
Guangzhi He, Chenhong Zheng, Ming-An Yu, Hongpeng Zhang
PURPOSE: To investigate and compare the relative efficacy, recurrence and complications of endovenous laser ablation (EVLA) and radiofrequency ablation (RFA) for the treatment of varicose veins patients. METHODS: Searches were applied to the Cochrane Library as well as MEDLINE, EMBASE, BIOSIS databases. 12 articles published in English (10 randomized controlled trials and 2 cohort study) were identified from specialized trails. Fixed effect model and Random effect model were applied to compare the vein ablated length, pain scores (3days and 10days), quality of Life, occlusion, over all complication, thrombophlebitis, haematoma and recanalization between the EVLA and RFA group...
March 2017: International Journal of Surgery
https://read.qxmd.com/read/27617958/probe-based-confocal-laser-endomicroscopy-for-imaging-trail-expressing-mesenchymal-stem-cells-to-monitor-colon-xenograft-tumors-in-vivo
#32
JOURNAL ARTICLE
Zhen Zhang, Ming Li, Feixue Chen, Lixiang Li, Jun Liu, Zhen Li, Rui Ji, Xiuli Zuo, Yanqing Li
INTRODUCTION: Mesenchymal stem cells (MSCs) can serve as vehicles for therapeutic genes. However, little is known about MSC behavior in vivo. Here, we demonstrated that probe-based confocal laser endomicroscopy (pCLE) can be used to track MSCs in vivo and individually monitor tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) gene expression within carcinomas. METHODS: Isolated BALB/c nu/nu mice MSCs (MSCs) were characterized and engineered to co-express the TRAIL and enhanced green fluorescent protein (EGFP) genes...
2016: PloS One
https://read.qxmd.com/read/27344944/is-mechanical-curettage-with-adjunct-photodynamic-therapy-more-effective-in-the-treatment-of-peri-implantitis-than-mechanical-curettage-alone
#33
REVIEW
Alexis Ghanem, Sandeep Pasumarthy, Vinisha Ranna, Sergio Varela Kellesarian, Tariq Abduljabbar, Fahim Vohra, Hans Malmstrom
BACKGROUND: The aim of the present study was to review the pertinent literature on the effects of mechanical curettage (MC) with and without adjunct photodynamic therapy (PDT) for the management of peri-implantitis. METHODS: The addressed focused question was "Is PDT effective in the treatment of peri-implantitis?" A search without language or time restrictions up to March 2016 was conducted using various key words. The exclusion criteria included; review papers, in vitro Studies, case reports, commentaries, interviews, and letters to the editors...
September 2016: Photodiagnosis and Photodynamic Therapy
https://read.qxmd.com/read/26926590/trail-cm4-fusion-protein-shows-in%C3%A2-vitro-antibacterial-activity-and-a-stronger-antitumor-activity-than-solo-trail-protein
#34
JOURNAL ARTICLE
Ming Sang, Jiaxin Zhang, Bin Li, Yuqing Chen
A TRAIL-CM4 fusion protein in soluble form with tumor selective apoptosis and antibacterial functions was expressed in the Escherichia coli expression system and isolated through dialysis refolding and histidine-tag Nickel-affinity purification. Fresh Jurkat cells were treated with the TRAIL-CM4 fusion protein. Trypan blue staining and MTT analyses showed that, similar to a TRAIL positive control, Jurkat cell proliferation was significantly inhibited. Flow cytometry analyses using Annexin V-fluorescein revealed that Jurkat cells treated with the TRAIL-CM4 fusion protein exhibited increased apoptosis...
June 2016: Protein Expression and Purification
https://read.qxmd.com/read/25763958/improved-intrapulse-raman-scattering-control-via-asymmetric-airy-pulses
#35
JOURNAL ARTICLE
Yi Hu, Amirhossein Tehranchi, Stefan Wabnitz, Raman Kashyap, Zhigang Chen, Roberto Morandotti
We experimentally demonstrate the possibility of tuning the frequency of a laser pulse via the use of an Airy pulse-seeded soliton self-frequency shift. The intrinsically asymmetric nature of Airy pulses, typically featured by either leading or trailing oscillatory tails (relatively to the main lobe), is revealed through the nonlinear generation of both a primary and a secondary Raman soliton self-frequency shift, a phenomenon which is driven by the soliton fission processes. The resulting frequency shift can be carefully controlled by using time-reversed Airy pulses or, alternatively, by applying an offset to the cubic phase modulation used to generate the pulses...
February 20, 2015: Physical Review Letters
https://read.qxmd.com/read/23784689/dna-purification-from-crude-samples-for-human-identification-using-gradient-elution-isotachophoresis
#36
JOURNAL ARTICLE
Elizabeth A Strychalski, Christopher Konek, Erica L R Butts, Peter M Vallone, Alyssa C Henry, David Ross
Gradient elution isotachophoresis (GEITP) was demonstrated for DNA purification, concentration, and quantification from crude samples, represented here by soiled buccal swabs, with minimal sample preparation prior to human identification using STR analysis. During GEITP, an electric field applied across leading and trailing electrolyte solutions resulted in isotachophoretic focusing of DNA at the interface between these solutions, while a pressure-driven counterflow controlled the movement of the interface from the sample reservoir into a microfluidic capillary...
September 2013: Electrophoresis
https://read.qxmd.com/read/23570619/surface-modification-of-tpgs-b-pcl-ran-pga-nanoparticles-with-polyethyleneimine-as-a-co-delivery-system-of-trail-and-endostatin-for-cervical-cancer-gene-therapy
#37
JOURNAL ARTICLE
Yi Zheng, Hongbo Chen, Xiaowei Zeng, Zhigang Liu, Xiaojun Xiao, Yongqiang Zhu, Dayong Gu, Lin Mei
The efficient delivery of therapeutic genes into cells of interest is a critical challenge to broad application of non-viral vector systems. In this research, a novel TPGS-b-(PCL-ran-PGA) nanoparticle modified with polyethyleneimine was applied to be a vector of tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) and endostatin for cervical cancer gene therapy. Firstly, a novel biodegradable copolymer, TPGS-b-(PCL-ran-PGA), was synthesized and characterized. The nanoparticles were fabricated by an emulsion/solvent evaporation method and then further modified with polyethyleneimine (PEI) carrying TRAIL and/or endostatin genes...
2013: Nanoscale Research Letters
https://read.qxmd.com/read/21793391/-survey-on-clinical-evidence-of-acupuncture-therapy-for-fibromyalgia-syndrome
#38
REVIEW
Xu Wang, Yuan-Hao Du, Jun Xiong
OBJECTIVE: To evaluate the clinical effect of acupuncture therapy for fibromyalgia syndrome (FMS) by analyzing the available studies so as to provide clinical decision-making reference. METHODS: The published papers on clinical trails for acupuncture treatment of FMS were widely retrieved from Chinese Biomedical Databases (1979 - 2010), www. cnki. net (1979-2010), VIP China Scientific Journal Database (1989- 2010), Digital Periodicals on Wanfang Data (1998 - 2010), PubMed (1966-2010), etc...
June 2011: Zhen Ci Yan Jiu, Acupuncture Research
https://read.qxmd.com/read/21782089/efficacy-predictability-and-safety-of-wavefront-guided-refractive-laser-treatment-metaanalysis
#39
COMPARATIVE STUDY
Usama Fares, Hanif Suleman, Mouhamed Ali Al-Aqaba, Ahamd Muneer Otri, Dalia G Said, Harminder S Dua
PURPOSE: To compare the efficacy, predictability, safety, and induced higher-order aberrations (HOAs) between wavefront-guided and non-wavefront-guided ablations. SETTING: Division of Ophthalmology and Visual Sciences, University of Nottingham, Nottingham, United Kingdom. DESIGN: Metaanalysis. METHODS: The Cochrane Central Register of Controlled Trials, PubMED, and EMBASE were searched for randomized controlled trails...
August 2011: Journal of Cataract and Refractive Surgery
https://read.qxmd.com/read/21704844/leveraging-image-cytometry-for-the-development-of-clinically-feasible-biomarkers-evaluation-of-activated-caspase-3-in-fine-needle-aspirate-biopsies
#40
JOURNAL ARTICLE
Gloria Juan, Stephen J Zoog, John Ferbas
Quantitation of activated caspases in xenograft models by laser scanning cytometry has demonstrated mechanism-specific biological activity of Anti-Trail Receptor immunoglobulin therapies in situ. These preclinical data confirmed that caspase activation is an early event that precedes tumor regression. To apply this platform for clinical monitoring of caspase activation using fine needle aspirate (FNA) biopsies, additional assay feasibility and validation experiments need be addressed. Furthermore, important instrument parameters should be considered including the maintenance and operation of the cytometer in a controlled state to ensure aspects like data traceability, reliability, and integrity...
2011: Methods in Cell Biology
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