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https://www.readbyqxmd.com/read/27884674/modification-of-foxtail-millet-starch-by-combining-physical-chemical-and-enzymatic-methods
#1
Ashim Dey, Nandan Sit
Modification of foxtail millet starch was carried out by heat moisture treatment (HT), acid hydrolysis (AH), enzymatic treatment (EH), Ultrasound treatment (UT) and their combinations. A total of 15 modified starches were prepared by combining the various methods and properties were compared with native starch. The solubilities of the starches modified by HT were found to decrease whereas for other single modifications it increased. It also increased with number of modifications applied. The swelling power decreased for all the modified starches and a decrease in swelling power was observed with increase in number of modifications...
November 21, 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27881037/a-novel-gel-pad-laryngeal-ultrasound-lus-for-vocal-cord-evaluation
#2
Jung-Woo Woo, Seo Ki Kim, Inhye Park, Jun-Ho Choe, Jung Han Kim, Jee Soo Kim
Background Laryngeal ultrasound (LUS) is a new method for vocal cord (VC) evaluation in patients with risk of vocal cord palsy (VCP). However, the previously described LUS reportedly had a high failure rate of VC visualization in male patients. We devised a novel gel pad LUS to overcome the limitations of the previous method. Methods A total of 482 (100 male, 382 female) consecutive LUS and direct laryngoscopy (DL) examinations were performed in thyroidectomy and other neck surgery patients. The conventional LUS and gel pad LUS were used for all patients...
November 23, 2016: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/27873449/assessment-of-cubosomal-alpha-lipoic-acid-gel-efficacy-for-the-aging-face-a-single-blinded-placebo-controlled-right-left-comparative-clinical-study
#3
Mohamed El-Komy, Suzan Shalaby, Rehab Hegazy, Rania Abdel Hay, Saly Sherif, Ehab Bendas
BACKGROUND: A poloxamer solution acting as a vehicle for the lipid base particulate system (cubosome dispersions) containing alpha lipoic acid (ALA) has achieved encouraging results in skin aging. OBJECTIVE: Evaluate the efficacy of 5% Cubosomal ALA as an anti-aging formulation. METHODS: This single-blinded, placebo-controlled, comparative study was conducted on 20 females. Patients were instructed to apply a gel formulation containing the active ingredient over the right half of their face and a placebo gel on the left half twice daily for 6 months...
November 22, 2016: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/27845658/shear-wave-imaging-of-in-vivo-breast-tissue-by-color-doppler-shear-wave-elastography
#4
Yoshiki Yamakoshi, Takahito Nakajima, Toshihiro Kasahara, Mayuko Yamazaki, Ren Koda, Naoki Sunaguchi
Shear wave elastography is a distinctive method to access the viscoelastic characteristic of the soft tissue that is difficult to obtain by other imaging modalities. This paper proposes a novel shear wave elastography (color Doppler shear wave imaging: CD SWI) for breast tissue. Continuous shear wave is produced by a small lightweight actuator which is attached to the tissue surface. Shear wave wavefront which propagates in tissue is reconstructed as a binary pattern which consists of zero and the maximum flow velocities on color flow image (CFI)...
November 8, 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/27835808/evaluation-of-a-small-flat-rectangular-therapeutic-ultrasonic-transducer-intended-for-intravascular-use
#5
N Papadopoulos, G Menikou, M Yiannakou, C Yiallouras, K Ioannides, C Damianou
BACKGROUND: The aim of the proposed study was to evaluate the performance of a flat rectangular (2×10mm(2)) transducer operating at 4MHz. The intended application of this transducer is intravascular treatment of thrombosis and atherosclerosis. METHODS: The transducer's thermal capabilities were tested in two different gel phantoms. MR thermometry was used to demonstrate the thermal capabilities of this type of transducer. RESULTS: Temperature measurements demonstrated that this simple and small transducer adequately produced high temperatures, which can be utilized for therapeutic purposes...
February 2017: Ultrasonics
https://www.readbyqxmd.com/read/27821656/gel-sonovaginography-a-new-way-of-evaluating-a-variety-of-local-vaginal-and-cervical-disorders
#6
Mala Sibal
Gel sonovaginography is a new way of assessing local cervical and vaginal disorders, in which regular transvaginal sonography is known to have limitations. In gel sonovaginography, 20 mL of ultrasound gel is instilled into the vagina, followed by examination with a transvaginal transducer. In a study involving 28 women with known or suspected disorders such as cervical and vaginal cancer, cervical polyps, vaginal septa, and deep infiltrating endometriosis, a substantial improvement in visualization and assessment of local lesions and structures was noted with gel sonovaginography...
November 7, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27818887/pesticide-residues-in-water-sediment-and-fish-from-tono-reservoir-and-their-health-risk-implications
#7
Osei Akoto, Augustine Asore Azuure, K D Adotey
Levels of organochlorine (OC) and organophosphorus (OP) pesticide residues in fish, sediments and water and their health risk associated with the consumption of the fish from the Tono Reservoir, Ghana were evaluated. The analytical methods included solvent extraction of the pesticide residues using ultrasound sonication and soxhlet extraction and their subsequent quantification using GC equipped with electron capture detector and pulse flame photometric detector after clean-up on activated silica gel/anhydrous sodium sulphate...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27818130/structured-imaging-technique-in-the-gynecologic-office-for-the-diagnosis-of-abnormal-uterine-bleeding
#8
REVIEW
Margit Dueholm, Ina Marie D Hjorth
: The aim in the diagnosis of abnormal uterine bleeding (AUB) is to identify the bleeding cause, which can be classified by the PALM-COEIN (Polyp, Adenomyosis, Leiomyoma, Malignancy (and hyperplasia), Coagulopathy, Ovulatory disorders, Endometrial, Iatrogenic and Not otherwise classified) classification system. In a gynecologic setting, the first step is most often to identify structural abnormalities (PALM causes). Common diagnostic options for the identification of the PALM include ultrasonography, endometrial sampling, and hysteroscopy...
October 1, 2016: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27796065/clinical-and-color-doppler-ultrasound-evaluation-of-polyacrylamide-injection-in-hiv-patients-with-severe-facial-lipoatrophy-secondary-to-antiretroviral-therapy
#9
E Faundez, N Vega, E Vera, P Vega, D Sepulveda, X Wortsman
BACKGROUND/PURPOSE: Facial lipoatrophy in HIV patients, secondary to antiretroviral therapy (ART) with thymidine analogs, has been related to important psychosocial alterations and poor adherence to treatment. Polyacrylamide gel (PAAG) is a filler that has been used for treating facial lipoatrophy in HIV patients. The aim was to assess the clinical and sonographic anatomical changes after injection of PAAG in HIV patients with facial lipoatrophy secondary to ART. METHODS: HIV patients receiving ART and suffering from severe facial lipoatrophy were recruited and underwent clinical and color Doppler ultrasound evaluation prior to PAAG application (AQUAMID(®) ) and sonographically monitored at 18 months and clinically followed up for 36 months after the procedure...
October 30, 2016: Skin Research and Technology
https://www.readbyqxmd.com/read/27785093/local-anesthesia-for-pain-control-during-transrectal-ultrasound-guided-prostate-biopsy-a-systematic-review-and-meta-analysis
#10
Pu Yan, Xiao-Yan Wang, Wei Huang, Yong Zhang
BACKGROUND: A meta-analysis was performed to evaluate the efficacy and safety of intrarectal local anesthestic (IRLA), periprostatic nerve block (PPNB), and the combined modalities in alleviating the pain during transrectal ultrasound (TRUS)-guided prostate biopsy. MATERIALS AND METHODS: A literature review was performed to identify all published randomized controlled trials (RCTs) about IRLA vs no anesthesia or placebo gel; PPNB vs no injection, periprostatic placebo injection, or IRLA; combined PPNB and IRLA vs PPNB alone; and combined PPNB and intraprostatic nerve block (IPNB) vs PPNB alone before TRUS-guided biopsy...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27778309/infection-prevention-and-ultrasound-probe-decontamination-practices-in-europe-a-survey-of-the-european-society-of-radiology
#11
Christiane Marita Nyhsen, Hilary Humphreys, Carlos Nicolau, Gerhard Mostbeck, Michel Claudon
OBJECTIVES: Although ultrasound (US) is considered one of the safest imaging modalities, concerns have been raised regarding potential infection transmission risks through US procedures. A survey was undertaken by the European Society of Radiology (ESR) to establish infection prevention and control measures in US and to highlight the importance of good medical practice. METHODS: An online survey was sent to all 22,000 full ESR members. RESULTS: The response rate of completed surveys was 4...
December 2016: Insights Into Imaging
https://www.readbyqxmd.com/read/27773327/effects-of-high-intensity-ultrasound-modification-on-physicochemical-property-and-water-in-myofibrillar-protein-gel
#12
Ziye Zhang, Joe M Regenstein, Peng Zhou, Yuling Yang
The effects of high intensity ultrasound (HIU) modification (power: 200, 400, 600, 800 and 1000W, corresponding to intensities of: 88, 117, 150, 173 and 193Wcm(-2)) on the physicochemical properties of myofibrillar protein (MP) and water in MP gel were studied. As the HIU power increased, the solubility, surface hydrophobicity and absolute value of the zeta potential increased, while turbidity and total sulfhydryl (SH) group content decreased. The G' and G″ of MP during thermal gelation decreased as ultrasound intensity increased due to greater protein denaturation...
January 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/27773322/ultrasound-assisted-mineralization-of-organic-contaminants-using-a-recyclable-lafeo3-and-fe-3-persulfate-fenton-like-system
#13
S Ganesh Babu, P Aparna, G Satishkumar, Muthupandian Ashokkumar, B Neppolian
A recyclable heterogeneous catalyst has been successfully developed for application in a Fenton-type advanced oxidation process without adding external H2O2. LaFeO3 was prepared from Fe(NO3)3·9H2O and La(NO3)·6H2O by a simple sol-gel method and its catalytic efficiency was evaluated for mineralization of 4-chlorophenol using a Fenton-like process. The mineralization process was carried out under ultrasonication in presence of heterogeneous LaFeO3 catalyst with H2O2 that was produced during ultrasonication...
January 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/27773308/dual-color-emitting-eu-doped-strontium-orthosilicate-phosphors-synthesized-by-bio-template-assisted-ultrasound-for-solid-state-lightning-and-display-applications
#14
M Venkataravanappa, H Nagabhushana, B Daruka Prasad, G P Darshan, R B Basavaraj, G R Vijayakumar
A novel Sr2SiO4:Eu (1-5mol %) superstructures (SS) were synthesized using bio-sacrificial A.V. gel assisted ultrasound method. Powder X-ray diffraction patterns confirmed the presence of both α and β phase formation. It was evident that the morphological growth was highly reliant on A.V. gel concentration, sonication time, pH and sonication power. The formation mechanisms for different hierarchical SS were proposed. From diffuse reflectance spectra, the energy band gap was estimated and found to be ∼4.70-5...
January 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/27773287/molecular-weight-distribution-rheological-property-and-structural-changes-of-sodium-alginate-induced-by-ultrasound
#15
Liping Feng, Yanping Cao, Duoxia Xu, Shaojia Wang, Jie Zhang
In this study, the effects of ultrasound with different ultrasonic frequencies on the properties of sodium alginate (ALG) were investigated, which were characterized by the means of the multi-angle laser light scattering photometer analysis (GPC-MALLS), rheological analysis, circular dichroism (CD) spectrometer and scanning electron microscope (SEM). It showed that the molecular weight (Mw) and molecular number (Mn) of the untreated ALG was 1.927×10(5)g/mol and 4.852×10(4)g/mol, respectively. The Mw of the ultrasound treated ALG was gradually increased from 3...
January 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/27773265/ultrasound-assisted-forward-osmosis-concentration-of-fruit-juice-and-natural-colorant
#16
B S Chanukya, Navin K Rastogi
The present study deals with the effect of higher and lower molecular weight compounds present in the feed on concentration polarization during forward osmosis concentration and its mitigation by the application of ultrasound. The effects of ultrasound on transmembrane water flux at different forward osmosis membrane orientations and different model feed solutions consisting of sucrose and pectin have also been evaluated. The feed containing sucrose and pectin subjected towards active layer of the membrane was found to be the most suitable orientation...
January 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/27773247/recovery-and-purification-of-cholesterol-from-cholesterol-%C3%AE-cyclodextrin-inclusion-complex-using-ultrasound-assisted-extraction
#17
Yong Li, Youliang Chen, Hua Li
Response surface methodology was used to optimize ultrasound-assisted ethanol extraction (UAE) of cholesterol from cholesterol-β-cyclodextrin (C-β-CD) inclusion complex prepared from duck yolk oil. The best extraction conditions were solvent-solid ratio 10mL/g, ultrasonic power 251W, extraction temperature 56°C and sonication time 36min. Under these conditions, the highest cholesterol extraction yield and cholesterol content obtained 98.12±0.25% and 43.38±0.61mg/g inclusion complex, respectively. As compared with Reflux extraction and Soxhlet extraction, the UAE was more efficient and economical...
January 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/27747886/high-intensity-ultrasound-enhances-the-igg-and-ige-binding-of-ovalbumin
#18
Wen-Hua Yang, Zong-Cai Tu, Hui Wang, Xue Li, Ming Tian
BACKGROUND: Hen's egg is widely used in food industry due to its excellent nutritional and processing properties, and Ovalbumin (OVA) is the major allergen of hen's egg white. Ultrasound has been widely used in food processing industry, but effect of high intensity ultrasound on the immunoglobulin G (IgG) binding, immunoglobulin E (IgE) binding and conformational structure of OVA remains unclear. RESULTS: Ultrasound treatment at 600 - 800 W dramatically increased the IgG and IgE binding of OVA with the highest values observed at 600 W...
October 16, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/27745892/relative-displacement-of-the-tendon-and-subsynovial-connective-tissue-using-ultrasound-captures-different-phenomena-than-mechanical-tendon-shear
#19
Jimmy Tat, Aaron M Kociolek, Peter J Keir
The most common finding in carpal tunnel syndrome is fibrosis and thickening of the subsynovial connective tissue (SSCT). While the SSCT mediates tendon gliding in the carpal tunnel, this histopathology suggests excessive shear forces are involved in injury development. Ultrasound is often used to quantify relative motion between the finger flexor tendons and SSCT as an indirect measure of "shear-strain"; however, the underlying mechanical implications of using ultrasound are not well understood. The middle flexor digitorum superficialis (FDS) tendon of 8 cadavers was moved in a combination of 2 wrist postures (neutral, flexed), 3 velocities (5, 10, 15cm/s), and 3 forces (10, 20, 30N) to assess ultrasound-based FDS-SSCT relative displacement while simultaneously quantifying tendon frictional work in the carpal tunnel...
October 6, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27722385/laccase-mediated-formation-of-mesoporous-silica-nanoparticle-based-redox-stimuli-responsive-hybrid-nanogels-as-a-multifunctional-nanotheranostic-agent
#20
Li Qiao, Xia Wang, Yawei Gao, Qingcong Wei, Wen Hu, Lei Wu, Pei Li, Rongrong Zhu, Qigang Wang
In this work, we designed a new hybrid nanogel with redox responsive polymer gel shells and mesoporous silica nanoparticles (MSNs) cores via laccase-mediated radical polymerization. The successful coating of the responsive gel shells on the MSNs was confirmed by the morphology and increased diameters of the particles as determined by transmission electron microscopy (TEM) and dynamic light scattering (DLS). As observed by scanning transmission electron microscopy (STEM) and energy dispersive X-ray spectroscopy (EDS), the presence of the element S around the MSNs further confirmed the formation of the gel shell...
October 6, 2016: Nanoscale
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