نتایج جستجو برای: near infrared

تعداد نتایج: 330839  

Journal: :Brain research 2006
Teruo Hashimoto Yasuyo Minagawa-Kawai Shozo Kojima

Near-infrared spectroscopy (NIRS) enables noninvasive measurement of concentration changes of oxy- and deoxy-hemoglobin. The present study investigated cerebral representations of motion illusion by NIRS and examined several experimental procedures to determine an efficient procedure that can shorten the experimental time. We compared hemodynamic responses to figures with and without motion ill...

Journal: :Organic & biomolecular chemistry 2014
Rajneesh Misra Prabhat Gautam

This article reports the design and synthesis of donor-substituted symmetrical and unsymmetrical benzothiadiazoles (BTDs) of 5-12 type D-π-A-D, D1-π-A-D2, D1-A1-A2-D2, D-A1-A2-D and D-A1-A2-A1-D by Ullmann, Suzuki and cycloaddition-retroelectrocyclization reactions. The photophysical, electrochemical and computational properties were studied and show substantial donor-acceptor interaction. Thei...

2014
Isabella M. Kopton Peter Kenning

Over the last decade, the application of neuroscience to economic research has gained in importance and the number of neuroeconomic studies has grown extensively. The most common method for these investigations is fMRI. However, fMRI has limitations (particularly concerning situational factors) that should be countered with other methods. This review elaborates on the use of functional Near-Inf...

Journal: :The Astrophysical journal 1999
Murphy Jr Soifer Matthews Kiger Armus

Near-infrared spectra with a resolution of lambda&solm0;Deltalambda approximately 1100 in the rest-wavelength range of 1.8-2.2 µm have been obtained for a complete sample of 33 ultraluminous infrared galaxies (ULIRGs). Of the 33 objects observed, two show evidence of a central active galactic nucleus (AGN) through either a broad Paschen-alpha line or emission in the 1.963 µm fine structure of [...

Journal: :Chemical communications 2015
Yingjie Wu Tieyan Si Xiankun Lin Qiang He

The use of a near-infrared (NIR) laser for reversible modulation of a bubble-driven Janus polymer capsule motor is demonstrated. This process was mediated through illumination of the metal face of the Janus capsule motor at the critical concentration of peroxide fuel. Such an effective control of the propulsion of chemically powered microengines holds a considerable promise for diverse applicat...

Journal: :Physical chemistry chemical physics : PCCP 2013
Éric Brémond Marta E Alberto Nino Russo Gino Ricci Ilaria Ciofini Carlo Adamo

The complex electronic structure and spectroscopic properties of a class of six molecules behaving as near infrared (NIR) fluorescence probes, recently experimentally characterized, are investigated and rationalized using a computational protocol based on Density Functional Theory (DFT) and Time Dependent DFT (TD-DFT). These systems, all belonging to the seminaphthofluorone (SNAFR) series, are ...

2011
Yoshihiko Suzuki Shohei Hidaka

Similarity takes a crucial role in various kinds of cognitive processes. In the present study, we investigated the neural activities during similarity judgments on 1225 pairs of images using the near-infrared spectroscopy. The predictability of similarity judgments were analyzed with a hierarchical Bayesian framework applied on the neural activities. It revealed that the neural activities locat...

Journal: :Journal of agricultural and food chemistry 2004
Yongliang Liu Franklin E Barton Brenda G Lyon William R Windham Clyde E Lyon

Generalized two-dimensional (2D) correlation analysis of visible/near-infrared (NIR) spectra was performed to characterize the spectral intensity variations of chicken muscles induced by either storage time/temperature regime or shear force values. The results showed that intensities of two visible bands at 445 and 560 nm increase with the storage temperature under identical treatment, possibly...

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