Determination of the 15N chemical shift anisotropy in natural abundance samples by proton‐detected 3D solid‐state NMR under ultrafast MAS of 70 kHz
Sign Up to like & getrecommendations! Published in 2019 at "Magnetic Resonance in Chemistry"
DOI: 10.1002/mrc.4841
Abstract: Chemical shift anisotropy (CSA) is a sensitive probe of electronic environment at a nucleus, and thus, it offers deeper insights into detailed structural and dynamic properties of different systems, for example, chemical, biological, and materials.… read more here.
Keywords: khz; chemical shift; ultrafast mas; 15n csa ... See more keywords
Improving the adsorption kinetics of ibuprofen on an activated carbon fabric through ultrasound irradiation: Simulation and experimental studies
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2018.02.062
Abstract: Abstract In order to override the slow adsorption kinetics of micropollutants on an activated carbon fabric (ACF) in water medium, different mixing modes, i.e. orbital stirring (250 rpm), low frequency ultrasonic irradiation with either a 20 kHz… read more here.
Keywords: adsorption; irradiation; fabric; khz ... See more keywords
Limited generalizability, pharmacological modulation, and state-dependency of habituation towards pro-social 50-kHz calls in rats
Sign Up to like & getrecommendations! Published in 2021 at "iScience"
DOI: 10.1016/j.isci.2021.102426
Abstract: Summary Communication constitutes a fundamental component of mammalian social behavior. Rats are highly social animals and emit 50-kHz ultrasonic vocalizations (USV), which function as social contact calls. Playback of 50-kHz USV leads to strong and… read more here.
Keywords: state; khz; khz usv; habituation ... See more keywords
Dynamics and dependencies of the configuration-dependent 1–2 kHz fluctuation in W7-X
Sign Up to like & getrecommendations! Published in 2021 at "Nuclear Materials and Energy"
DOI: 10.1016/j.nme.2021.100967
Abstract: Abstract A 1-2 kHz electromagnetic mode is present in a large fraction of W7-X discharges in the standard magnetic field configurations with 5/5 edge island structure. The power in the mode is significantly reduced in… read more here.
Keywords: configuration dependent; khz; fluctuation; dynamics dependencies ... See more keywords
Effect of microinjections of dopamine into the nucleus accumbens shell on emission of 50 kHz USV: Comparison with effects of d-amphetamine
Sign Up to like & getrecommendations! Published in 2019 at "Pharmacology Biochemistry and Behavior"
DOI: 10.1016/j.pbb.2018.11.006
Abstract: ABSTRACT Systemic pharmacological manipulation of dopamine (DA) signaling has been central to many investigations of 50 kHz ultrasonic vocalizations (USVs) in the rat. In particular, the indirect DA releaser d‐amphetamine (AMPH) has been used extensively… read more here.
Keywords: accumbens shell; khz; dopamine; emission khz ... See more keywords
Highly Sensitive Hydrogen Sensor Based on an Optical Driven Nanofilm Resonator.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c04105
Abstract: Nanofilm resonators combine ultracompact and highly mechanically sensitive properties, making them intriguing devices for sensing applications. For trace hydrogen detection, we demonstrate an optomechanical nanofilm resonator by employing a Pd- and Au-decorated graphene onto a… read more here.
Keywords: sensitive hydrogen; nanofilm resonator; khz; hydrogen ... See more keywords
Optimisation of 1H PMLG homonuclear decoupling at 60 kHz MAS to enable 15N–1H through-bond heteronuclear correlation solid-state NMR spectroscopy
Sign Up to like & getrecommendations! Published in 2022 at "Physical Chemistry Chemical Physics"
DOI: 10.1039/d2cp01041k
Abstract: The Lee–Goldburg condition for homonuclear decoupling in 1H magic-angle spinning (MAS) solid-state NMR sets the angle θ, corresponding to arctan of the ratio of the rf nutation frequency, ν1, to the rf offset, to be… read more here.
Keywords: khz; spectroscopy; experiment; correlation ... See more keywords
Predicting Behavioral Threshold at 6 and 8 kHz for Children and Adults Based on the Auditory Brainstem Response.
Sign Up to like & getrecommendations! Published in 2023 at "American journal of audiology"
DOI: 10.1044/2023_aja-22-00180
Abstract: PURPOSE Common clinical application of auditory brainstem response (ABR) testing is limited to 0.25-4 kHz. Prior research has demonstrated associations between ABR and behavioral thresholds for tone burst stimuli > 4 kHz in adults, but… read more here.
Keywords: behavioral threshold; khz; hearing loss; behavioral thresholds ... See more keywords
Hearing Loss in Bacterial Meningitis Revisited—Evolution and Recovery
Sign Up to like & getrecommendations! Published in 2023 at "Open Forum Infectious Diseases"
DOI: 10.1093/ofid/ofad056
Abstract: Abstract Background Hearing loss and deafness are well-known sequelae from bacterial meningitis (ABM) and may result in social dysfunction and learning difficulties. Yet, the timely development of hearing loss and restitution is poorly studied, especially… read more here.
Keywords: bacterial meningitis; khz; hearing loss; loss ... See more keywords
Comparison Between Output CM Chokes for SiC Drive Operating at 20- and 200-kHz Switching Frequencies
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2017.2672919
Abstract: The adoption of silicon carbide (SiC) MOSFETs in variable speed drives (VSDs) makes it possible to increase the inverter switching frequency up to several hundred kilohertz without incurring excessive inverter loss. As a result, the… read more here.
Keywords: 200 khz; khz; chokes sic; switching frequencies ... See more keywords
Effect of high-frequency alternating current transcutaneous stimulation over muscle strength: a controlled pilot study
Sign Up to like & getrecommendations! Published in 2018 at "Journal of NeuroEngineering and Rehabilitation"
DOI: 10.1186/s12984-018-0443-2
Abstract: BackgroundHigh-frequency alternating currents of greater than 1 kHz applied on peripheral nerves has been used in animal studies to produce a motor nerve block. It has been evidenced that frequencies higher than 5 kHz are necessary to… read more here.
Keywords: strength; muscle strength; high frequency; khz ... See more keywords