Results 31 to 40 of about 595,307 (370)

Scanning Electron Microscopic Evaluation of Efficacy of 17% Ethylenediaminetetraacetic Acid and Chitosan for Smear Layer Removal with Ultrasonics: An In vitro Study

open access: yesContemporary Clinical Dentistry, 2017
Introduction: The main aim of root canal treatment is cleaning, shaping and then obturating three dimensionally to prevent reinfection. This includes chemicomechanical cleansing by instrumentation and the use of irrigating solutions.
A. Kamble   +4 more
semanticscholar   +1 more source

Simulation of the influence of hydrophones used for the characterization of pressure field distribution in low frequency, high power ultrasonic reactor vessels [PDF]

open access: yes, 2007
This paper describes the use of a finite element (FE) modeling approach to investigate the influence of different hydrophone designs in laboratory scale reactor vessels.
Gachagan, A., Harvey, G., O'Leary, R.L.
core   +1 more source

Feasibility study of automated cardiac motion quantification to assess left ventricular function in type 2 diabetes

open access: yesScientific Reports, 2023
The global incidence of diabetes and related complications is gradually increasing, with cardiovascular complications being the leading cause of death in the diabetic population.
Yiming Li, Cungang Wu, Yuhong Li
doaj   +1 more source

Full and half-wavelength ultrasonic percussive drills [PDF]

open access: yes, 2018
Ultrasonic-percussive drills are a leading technology for small rock drilling applications where power and weight-on-bit are at a premium. The concept uses ultrasonic vibrations to excite an oscillatory motion in a free-mass, which then delivers ...
Harkness, Patrick   +2 more
core   +1 more source

Femtosecond nonlinear ultrasonics in gold probed with ultrashort surface plasmons [PDF]

open access: yesNature Communications, 2012
Fundamental interactions induced by lattice vibrations on ultrafast time scales have become increasingly important for modern nanoscience and technology.
V. Temnov   +8 more
semanticscholar   +1 more source

Gold Nanoclusters-Based NIR-II Photosensitizers with Catalase-like Activity for Boosted Photodynamic Therapy

open access: yesPharmaceutics, 2022
Photodynamic therapy (PDT) under fluorescence imaging as a selective and non-invasive treatment approach has been widely applied for the therapy of cancer and bacterial infections.
Qing Dan   +9 more
doaj   +1 more source

Ultrasonication of Sugary -2 Corn for Enhanced Enzymatic Hydrolysis [PDF]

open access: yes, 2008
This study investigates the potential application of high powered ultrasonics as a liquefaction pretreatment of sugary-2 corn slurry. Ground sugary-2 corn ( Zea Mays L. ) slurry was treated with ultrasonics at 20kHz and amplitudes of 192-320 µ m pp (peak-
Johnson, Lawrence   +3 more
core   +3 more sources

Differential diagnosis between hepatic alveolar echinococcosis and intrahepatic cholangiocarcinoma with conventional ultrasound and contrast-enhanced ultrasound

open access: yesBMC Medical Imaging, 2020
Background Misclassifications of hepatic alveolar echinococcosis (HAE) as intrahepatic cholangiocarcinoma (ICC) may lead to inappropriate treatment strategies.
Zeng-Cheng Wa   +8 more
doaj   +1 more source

Modal analysis and nonlinear characterization of an airborne power ultrasonic transducer with rectangular plate radiator [PDF]

open access: yes, 2018
Some industrial processes like particle agglomeration or food dehydration among others can be enhanced by the use of power ultrasonic technologies.
Acosta, V.M.   +3 more
core   +1 more source

Contrast-enhanced ultrasound-guided feeding artery ablation as add-on to percutaneous radiofrequency ablation for hypervascular hepatocellular carcinoma with a modified ablative technique and tumor perfusion evaluation

open access: yesInternational Journal of Hyperthermia, 2020
Objectives To establish a modified strategy of the feeding artery ablation (FAA) procedure as an add-on to percutaneous radiofrequency ablation (RFA) for patients with hypervascular hepatocellular carcinoma (HCC), and to evaluate the outcomes.
Xiaoju Li   +7 more
doaj   +1 more source

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