Articles with "frequency ultrasound" as a keyword



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Catalyst-Free Synthesis of Alkylpolyglycosides Induced by High-Frequency Ultrasound.

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Published in 2018 at "ChemSusChem"

DOI: 10.1002/cssc.201801137

Abstract: The irradiation of concentrated feeds of carbohydrates in alcoholic solution by high-frequency ultrasound (550 kHz) induces the formation of alkylpolyglycosides (APGs). This work is distinct from previous reports in that it does not involve any (bio)catalyst… read more here.

Keywords: catalyst free; free synthesis; high frequency; frequency ultrasound ... See more keywords
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Comparative study of presurgical skin infiltration depth measurements of melanocytic lesions with OCT and high frequency ultrasound.

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Published in 2017 at "Journal of biophotonics"

DOI: 10.1002/jbio.201600139

Abstract: A reliable, fast, and non-invasive determination of melanoma thickness in vivo is highly desirable for clinical dermatology as it may facilitate the identification of surgical melanoma margins, determine if a sentinel node biopsy should be… read more here.

Keywords: high frequency; histopathology; study; frequency ultrasound ... See more keywords
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High‐frequency ultrasound is a reliable diagnostic tool in dermatology

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Published in 2022 at "Journal of Clinical Ultrasound"

DOI: 10.1002/jcu.23367

Abstract: once again the great contribution that ultrasound (US) can give in the diagnosis of skin diseases. The authors present a case series of secondary cutaneous involvement of hematologic malignancies: the clinical presentation of single or… read more here.

Keywords: high frequency; frequency ultrasound; diagnostic tool; ultrasound reliable ... See more keywords
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Ultra‐High Frequency Ultrasound in Melanoma Management

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Published in 2022 at "Journal of Ultrasound in Medicine"

DOI: 10.1002/jum.16096

Abstract: The main aim of this study is to evaluate the correspondence between the ultrasonographic thickness and the Breslow thickness in melanoma using ultra‐high frequency ultrasound and the intra‐ and inter‐operator repeatability in the ultrasonographic measurements… read more here.

Keywords: high frequency; frequency ultrasound; ultra high; melanoma management ... See more keywords
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In Vivo Evaluation of the Cardiovascular System of Mouse Embryo and Fetus Using High Frequency Ultrasound.

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Published in 2018 at "Methods in molecular biology"

DOI: 10.1007/978-1-4939-7714-7_3

Abstract: Genetically engineered mice have been widely used for studying cardiovascular development, physiology and diseases. In the past decade, high frequency ultrasound imaging technology has been significantly advanced and applied to observe the cardiovascular structure, function,… read more here.

Keywords: fetus; high frequency; mouse embryo; embryo fetus ... See more keywords
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Essential oils microemulsions prepared with high-frequency ultrasound: physical properties and antimicrobial activity

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Published in 2020 at "Journal of Food Science and Technology"

DOI: 10.1007/s13197-020-04449-8

Abstract: Essential oils (EOs) have demonstrated antimicrobial activity against bacteria due to the effects of their major components. The direct application of EOs may present a rapid volatilization of its components and can decrease their effectiveness.… read more here.

Keywords: antimicrobial activity; high frequency; frequency ultrasound; essential oils ... See more keywords
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Diagnosis of Carpal Tunnel Syndrome using Shear Wave Elastography and High-frequency Ultrasound Imaging.

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Published in 2020 at "Academic radiology"

DOI: 10.1016/j.acra.2020.08.011

Abstract: OBJECTIVES The performance of ultrasound features from shear wave elastography (SWE) and high-frequency ultrasound imaging was evaluated independently and in combination to diagnose carpal tunnel syndrome (CTS). MATERIALS AND METHODS Twenty-five subjects were imaged in… read more here.

Keywords: high frequency; ultrasound imaging; site; ultrasound features ... See more keywords
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Polysaccharides from ginger stems and leaves: Effects of dual and triple frequency ultrasound assisted extraction on structural characteristics and biological activities

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Published in 2021 at "Food bioscience"

DOI: 10.1016/j.fbio.2021.101166

Abstract: Abstract Dual- and triple-frequency ultrasonic processing features advantages such as uniform energy distribution and the ease of resonance within the extracted raw material, which attenuates the directional effect of single frequency ultrasonic treatment. In this… read more here.

Keywords: effects dual; triple frequency; frequency; dual triple ... See more keywords
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No effect of prolonged pulsed high frequency ultrasound imaging of the basilar membrane on cochlear function or hair cell survival found in an initial study

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Published in 2018 at "Hearing Research"

DOI: 10.1016/j.heares.2017.12.006

Abstract: &NA; Miniature high frequency ultrasound devices show promise as tools for clinical middle ear and basal cochlea imaging and vibrometry. However, before clinical use it is important to verify that the ultrasound exposure does not… read more here.

Keywords: initial study; high frequency; frequency; hair ... See more keywords
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Low-frequency ultrasound responsive release and enhanced antibacterial efficacy of sulfamethoxazole decked silver nanocomposite

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Published in 2020 at "Polyhedron"

DOI: 10.1016/j.poly.2020.114945

Abstract: Abstract A new theranostic formulation for effective Sulfamethoxazole (SMX) delivery is designed using silver nanoparticles. Sulfamethoxazole-Silver nanocomposite (SMX-AgNP) was formulated by chemical reduction method and was characterized via X-ray diffraction [XRD], thermogravimetric analysis [TGA], differential… read more here.

Keywords: sulfamethoxazole; smx; low frequency; frequency ultrasound ... See more keywords
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Dual-frequency ultrasound combined with alkali pretreatment of corn stalk for enhanced biogas production

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Published in 2018 at "Renewable Energy"

DOI: 10.1016/j.renene.2018.03.088

Abstract: Abstract To solve the problem of standing wave produced by single-frequency ultrasonic pretreatment, the dual-frequency ultrasound was applied to pretreat the corn stalk. In this paper, the mechanism of dual-frequency ultrasound was studied, and digital… read more here.

Keywords: corn stalk; dual frequency; ultrasound combined; frequency ... See more keywords