Results 31 to 40 of about 214,758 (316)

Recent Advances on Ultrasound Contrast Agents for Blood-Brain Barrier Opening with Focused Ultrasound

open access: yesPharmaceutics, 2020
The blood-brain barrier is the primary obstacle to efficient intracerebral drug delivery. Focused ultrasound, in conjunction with microbubbles, is a targeted and non-invasive way to disrupt the blood-brain barrier.
Ambre Dauba   +6 more
doaj   +1 more source

A perspective on friction interventions to curb the spread of misinformation

open access: yesnpj Complexity
Social media has enabled the spread of information at unprecedented speeds and scales, and with it the proliferation of high-engagement, low-quality content.
Laura Jahn   +4 more
doaj   +1 more source

The Effect of Micro Turbulence on Quartz Flotation Rate [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2015
In this research, the effect of micro turbulence on the flotation rate of quartz particles was investigated. The maximum particle Reynolds number (Rep) was obtained at 60.25 with a particle size of -500+420 µm, impeller speed of 900 rpm, bubble surface ...
Behzad Shahbazi, Bahram Rezai
doaj  

Pseudostable bubbles [PDF]

open access: yesPhysical Review D, 1994
The evolution of spherically symmetric unstable scalar field configurations (``bubbles'') is examined for both symmetric (SDWP) and asymmetric (ADWP) double-well potentials. Bubbles with initial static energies $E_0\la E_{\rm crit}$, where $E_{\rm crit}$ is some critical value, shrink in a time scale determined by their linear dimension, or ``radius''.
openaire   +3 more sources

Bubbling orientifolds [PDF]

open access: yesJournal of High Energy Physics, 2005
We investigate a class of 1/2-BPS bubbling geometries associated to orientifolds of type IIB string theory and thereby to excited states of the SO(N)/Sp(N) N=4 supersymmetric Yang-Mills theory. The geometries are in correspondence with free fermions moving in a harmonic oscillator potential on the half-line.
Mukhi, Sunil, Smedbäck, Mikael
openaire   +3 more sources

Developing evidence‐based, cost‐effective P4 cancer medicine for driving innovation in prevention, therapeutics, patient care and reducing healthcare inequalities

open access: yesMolecular Oncology, EarlyView.
The cancer problem is increasing globally with projections up to the year 2050 showing unfavourable outcomes in terms of incidence and cancer‐related deaths. The main challenges are prevention, improved therapeutics resulting in increased cure rates and enhanced health‐related quality of life.
Ulrik Ringborg   +43 more
wiley   +1 more source

Symmetry Approach in the Evaluation of the Effect of Boundary Proximity on Oscillation of Gas Bubbles

open access: yesFluids, 2018
The purpose of the present review is to describe the effect of an interface between media with different mechanical properties on the acoustic response of a gas bubble.
Alexey Maksimov
doaj   +1 more source

Noise Bubbles [PDF]

open access: yesSSRN Electronic Journal, 2014
We introduce noisy information in the determination of stock prices. Agents receive a noisy signal about the structural shock driving future dividend variations. The resulting equilibrium stock price includes a transitory component { the \noise bubble" { which can be responsible for boom and bust episodes unrelated to economic fundamentals.
Forni, Mario   +3 more
openaire   +8 more sources

Microfluidic electro‐viscoelastic manipulation of extracellular vesicles

open access: yesFEBS Open Bio, EarlyView.
The electro‐viscoelastic manipulation as a potential method for separation of particles based on size. The particles introduced as a sheath flow migrate to the channel center under the influence of simultaneously applied electric field and pressure driven flow.
Seyedamirhosein Abdorahimzadeh   +7 more
wiley   +1 more source

Study on Bubble Absorption Characteristics of R134a-DMF in Vertical Tube

open access: yesZhileng xuebao, 2022
To study the heat and mass transfer characteristics of an R134a-DMF (Dimethylformamide) bubble absorption process in a vertical tube, an experimental device for bubble absorption in a vertical tube was fabricated, and a mathematical model of heat and ...
Kong Xiangqiang, Li Huazhao, Li Jianbo
doaj  

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