نتایج جستجو برای: near infrared spectroscopy

تعداد نتایج: 461384  

2014
F. Amaduzzi E. Alarcón-Lladó E. Russo-Averchi F. Matteini M. Heiß S. Conesa-Boj M. de la Mata J. Arbiol

Journal: :Journal of magnetic resonance 2006
Boaz Shapira Yoav Shrot Lucio Frydman

Single-scan multidimensional spectroscopy utilizes spatial dimensions for encoding the indirect-domain internal spin interactions. Various strategies have been hitherto demonstrated for fulfilling the encoding needs underlying this methodology; in analogy with their time-domain counterparts all of them have in common the fact that they proceed monotonically-starting at one end of the sample and...

2017
Yi Hu Yinying Hu Xianchun Li Yafeng Pan Xiaojun Cheng

People tend to be more prosocial after synchronizing behaviors with others, yet the underlying neural mechanisms are rarely known. In this study, participant dyads performed either a coordination task or an independence task, with their brain activations recorded via the functional near-infrared spectroscopy hyperscanning technique. Participant dyads in the coordination group showed higher sync...

Journal: :The Medical journal of Australia 2004
Matthew J Bragg Paul Middleton

Journal: :Journal of dental research 1988
F A Rueggeberg R G Craig

The sensitivities of Fourier transform infrared spectroscopy, Knoop hardness, water sorption, and resin leaching were compared for their ability to distinguish differences between composite samples cured through different thicknesses of overlying resin. The method developed allowed samples of light-cured composite to be made with controlled conversion for parameter testing, and eliminated effec...

Journal: :Neurophotonics 2016
Nasser H Kashou Brenna M Giacherio Ramzi W Nahhas Sudarshan R Jadcherla

Despite promising advantages such as low cost and portability of functional near-infrared spectroscopy (fNIRS), it has yet to be widely implemented outside of basic research. Specifically, fNIRS has yet to be proven as a standalone tool within a clinical setting. The objective of this study was to assess hemodynamic concentration changes at the primary and premotor motor cortices as a result of...

Journal: :Molecules 2013
Annamária F Ángyán Zoltán Gáspári

NMR spectroscopy is the leading technique to characterize protein internal dynamics at the atomic level and on multiple time scales. However, the structural interpretation of the observables obtained by various measurements is not always straightforward and in many cases dynamics-related parameters are only used to "decorate" static structural models without offering explicit description of con...

2013
Zhen Yuan JongChul Ye

In this study we implemented a new imaging method to fuse functional near infrared spectroscopy (fNIRS) measurements and functional magnetic resonance imaging (fMRI) data to reveal the spatiotemporal dynamics of the hemodynamic responses with high spatiotemporal resolution across the brain. We evaluated this method using multimodal data acquired from human right finger tapping tasks. And we fou...

Journal: :Angewandte Chemie 2012
Michal Leskes Nicholas E Drewett Laurence J Hardwick Peter G Bruce Gillian R Goward Clare P Grey

A closer look: Solid-state (7) Li and (17) O NMR spectroscopy is a valuable tool in the characterization of products formed in the lithium-oxygen battery, a necessary step in the development of a viable cell. Since lithium peroxide, the desired discharge product, has a unique (17) O NMR signature, it can be clearly identified.

Journal: :Journal of biomedical optics 2010
Yan Li Guiwen Wang Hui-Lu Yao Junxian Liu Yong-Qing Li

We report on development of dual-trap Raman tweezers for monitoring cellular dynamics and heterogeneity of interacting living cells suspended in a liquid medium. Dual-beam optical tweezers were combined with Raman spectroscopy, which allows capturing two cells that are in direct contact or closely separated by a few micrometers and simultaneously acquiring their Raman spectra with an imaging CC...

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