Anqi Wu

Anqi Wu
University of Texas at Arlington | UTA · Department of Bioengineering

Ph.D.

About

10
Publications
1,621
Reads
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66
Citations
Citations since 2017
9 Research Items
60 Citations
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2017201820192020202120222023010203040

Publications

Publications (10)
Article
Full-text available
Transcranial Photobiomodulation (tPBM) has demonstrated its ability to alter electrophysiological activity in the human brain. However, it is unclear how tPBM modulates brain electroencephalogram (EEG) networks and is related to human cognition. In this study, we recorded 64-channel EEG from 44 healthy humans before, during, and after 8-min, right-...
Article
Full-text available
Our group previously examined 8 min photobiomodulation (PBM) by 1064 nm laser on the human forearm in vivo to determine its significant effects on vascular hemodynamics and cytochrome c oxidase redox activity. Since PBM uses a wide array of wavelengths, in this paper, we investigated (i) whether different wavelengths of lasers induced different PBM...
Article
Full-text available
Billions of neurons in the human brain form neural networks with oscillation rhythms. Infra-slow oscillation (ISO) presents three main physiological sources: endogenic, neurogenic, and myogenic vasomotions. Having an in vivo methodology for the absolute quantification of ISO from the human brain can facilitate the detection of brain abnormalities i...
Article
Full-text available
Our recent study demonstrated that prefrontal transcranial photobiomodulation (tPBM) with 1064-nm laser enables significant changes in EEG rhythms, but these changes might result from the laser-induced heat rather than tPBM. This study hypothesized that tPBM-induced and heat-induced alterations in EEG power topography were significantly distinct. W...
Preprint
Full-text available
Transcranial photobiomodulation (tPBM) of the prefrontal cortex can improve human cognition and increase electroencephalogram (EEG) alpha and beta powers, but it was unclear whether tPBM-induced heat would influence EEG oscillation powers. This study aimed to prove that tPBM-induced increases in anterior-posterior EEG powers at alpha and beta bands...
Conference Paper
We investigated the effect of transcranial photobiomodulation induced by light emitting diodes by recording 64-chennel electroencephalogram in vivo. Compared to sham, subjects with tPBM showed an increase in vigilance and enhanced EEG alpha power.
Article
Full-text available
Background and objectives: In our previous proof-of-principle study, transcranial photobiomodulation (tPBM) with 1,064-nm laser was reported to significantly increase concentration changes of oxygenated hemoglobin (∆[HbO]) and oxidized-state cytochrome c oxidase (∆[oxi-CCO]) in the human brain. This paper further investigated (i) its validity in t...
Conference Paper
We conducted broadband near-infrared spectroscopy to measure the effects of transcranial photobiomodulation (tPBM). Compared to sham, tPBM enhanced power of slow-oscillation for hemoglobin and oxidized cytochrome-c-oxidase. Frontal bilateral coherence of these two chromophores were desynchronized.
Conference Paper
To understand the mechanism of action of transcranial photobiomodulation, we measured and compared alpha rhythms evoked by transcranial laser and thermal stimulations. The two types of stimulations resulted in distinct difference in alpha topographs.
Article
Photoelectron spectroscopy with synchrotron radiation has been used to study changes in the region of the valence band and Ga and As 3d core levels of GaAs (110) resulting from exposure to nitric oxide (NO) at substrate temperatures of 40–140 K. Up to about 60 K, NO physisorbs. Thermal and photochemical effects have been observed during annealing o...

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