Graphene nanosheets are promising nanofillers to the tunable structure, properties of materials, and optical bandgap. This search focuses on investigating new nanocomposites Ultra-high molecular weight polyethylene oxide (UHMWPEO) with different loading ratios polyvinyl alcohol (PVA) reinforced graphene (GO) by applying modified solution-sonication-casting method. Fourier-transform infrared spe...

Organic releasing agent (RA) has been widely used on concrete formwork during casting and structuring for good surface quality. However, the harmful side effects introduced by organic RA cement hydration would finally lead to decreased property gain of hardened cementitious materials at surface. In this work, 5 wt% was added into paste/mortar simulate its superficial layer when applied formwork...

Abstract Controlled tablet disintegration is useful for chemical consistency checks. This study monitored the swelling of 54 analgesia tablets from two different batches, during 13–6-MHz brightness-mode sonication and simultaneous video recording. The were placed on an acoustic reflector inside a container sonicated top. Sonication shortened displacement half-life by 17%–27%. During swelling, t...

A dispersion of individualised carbon nanotubes is commonly obtained by means of sonication. Under sonication bundles of nanotubes are debundled, a process known as exfoliation. During sonication small bubbles within a liquid are brought into oscillation by an acoustic field. Under certain conditions these oscillations can end in the violent collapse of the bubble. This disruptive process dispe...

Tissue-mimicking materials (TMMs) can provide a convenient, stable, and reproducible means for testing high intensity focused ultrasound (HIFU) devices. When TMMs containing thermal sensors are used to measure ultrasound-induced temperature rise, it is important that measurement results reasonably represent those that occur in biological tissue. Therefore the aim of this paper is to compare the...

Characterization of high-intensity focused ultrasound (HIFU) systems using ex vivo tissues is an important part of the preclinical testing for new HIFU devices. In ex vivo characterization, the lesion volume produced by the absorption of HIFU energy is quantified as operational parameters are varied. This paper examines the three methods used for lesion-volume quantification: histology, magneti...

Our aim was to determine the incidence of occult infection and to examine the role of ultrasound sonication of the implants in cases of presumed aseptic loosening in a prospective trial. Joint swabs, aspirates, and deep tissue samples were obtained from around the prosthesis for routine microbiology. Each prosthesis was sonicated and the sonicate examined with Gram staining and extended culture...

In orthopedic patients, foreign body-associated infections, especially periprosthetic joint infections (PJIs), are a devastating complication of arthroplasty. Infection requires complex treatment, may result in long hospitalization and causes considerable costs. Multiple surgical revisions can be necessary in these patients, with a loss in function as well as in quality of life. The routine pre...