Near-infrared

Application of functional near-infrared spectroscopy in the healthcare industry: A review Functional near-infrared spectroscopy (fNIRS), a growing neuroimaging modality, has been utilized over the past few decades to understand the neuronal behavior in the brain. The technique has been ...

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Near-infrared photon propagation in complex knee by Monte-Carlo modeling It is highly necessary to study the phenomenon of photon migration in the knee joint for the non-invasive near-infrared optical early diagnosis of the osteoarthritis of the knee. We investigate the ...

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Tunable near-infrared plasmonic perfect absorber based on phase-change materials A tunable plasmonic perfect absorber with a tuning range of ～650 nm is realized by introducing a 20 nm thick phase-change material Ge2Sb2Te5 layer into the metal–dielectric–metal configuration....

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DISCRIMINATIVE ANALYSIS OF FUNCTIONAL NEAR-INFRARED SPECTROSCOPY SIGNALS FOR DEVELOPMENT OF ... Functional near-infrared spectroscopy (fNIRS) is a neuroimaging technology which is suitable for psychiatric patients. Several fNIRS studies have found abnormal brain activations during cognitive ...

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USING FUNCTIONAL NEAR-INFRARED SPECTROSCOPY TO MEASURE COGNITIVE FUNCTION: WHEN WILL IT BECOME AN ... This article presents a historical perspective of foundational studies utilizing near-infrared spectroscopy (NIRS) to measure the hemodynamics, oxygenation, and activation of the human brain cortex ...

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UV to near-infrared broadband UV to near-infrared broadband

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neural-network-fit.zip_near-infrared_辛烷值_辛烷值预测 有导师学习神经网络的回归拟合——基于近红外光谱的汽油辛烷值预测

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SPEC.zip.zip_On the Line_chemometrics_infrared_near-infrared It is an on-line near infrared spectroscopy data, which is mainly applied to the calculation of chemometrics and the establishment of Near Infrared Qualitative Model

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TRANSCRANIAL NEAR-INFRARED SPECTROSCOPY OF SMOKING BRAINS We used a mobile wireless near-infrared sensor for the noninvasive recording of cerebral hemoglobin concentration changes during cigarette smoking. Each measurement included 5 min of rest, 5 min of ...

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Near-infrared electroluminescent diodes based on copper hexadecafluorophthalocyanine CuPcF16 We demonstrate the near-infrared (NIR) organic light-emitting devices (OLEDs) based on copper hexadecafluorophthalocyanine (CuPcF16 doped into 2,2,2”-(1,3,5-benzenetriyl)tris-[1-phenyl-1H-...

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Biomedical optical properties of color light and near-infrared fluorescence separated-merged imager Objective: We study the biomedical optical properties of the color light and near-infrared fluorescence separated-merged imager. Materials and Methods: The color light and near-infrared fluorescence ...

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Characterization of herbal powder blends homogeneity using near-infrared spectroscopy Near-infrared (NIR) spectroscopy with fiber-optic probe was used as an on-line technique for monitoring the homogeneity of pharmaceutical blend during the blending process instead of the traditional ...

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Pasting properties by near-infrared reflectance analysis of whole grain paddy rice samples A rapid predictive method based on near-infrared reflectance spectroscopy (NIRS) of paddy rice was developed to measure the pasting properties of rice. The paddy rice samples were scanned by a near-...

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Modeling visible and near-infrared snow surface reflectance-simulation and validation Retrieving snow surface ... The biases of all the models are less than 0.0003 in both visible and near-infrared regions. Moreover, with the exception of the Staylor model, all models have root-mean-squar

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resonance dimer structure for surface-enhanced Raman scattering substrate in near-infrared region Plasmonic resonance with Fano lineshape has ... This structure has three advantages for near-infrared detection in water. First, it provides two resonant modes to enhance the excitation and scatt

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A NEAR-INFRARED FLUORESCENT DEOXYGLUCOSE DERIVATIVE FOR OPTICAL IMAGING OF EXPERIMENTAL ARTHRITIS The purpose of this study is to investigate whether a near-infrared fluorescence (NIRF) probe, Cy5.5-d-glucosamine (Cy5.5-2DG), can image arthritis in collagen-induced arthritic (CIA) mice. The ...

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Near-infrared fundus camera based on polarization switch in stray light elimination This letter shows that the human eye fundus tissue has higher reflectivity at the near-infrared (NIR) wavelength, and that some aberrations exist at the pre-optical system from cornea to vitreous....

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Ultra-broadband near-infrared NOPAs based on the nonlinear crystals BiBO and YCOB We evaluate and demonstrate ultra-broadband near-infrared noncollinear optical parametric amplification in two nonlinear crystals, bismuth borate (BiBO) and yttrium calcium oxyborate (YCOB), which are...

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Near-infrared spectroscopy muscle oximetry of patients with postural orthostatic tachycardia ... A custom-built near-infrared spectroscopy device (NIRS) is applied to monitor the muscle oxygenation, noninvasively in patients undergoing incremental head-up tilt table (HUT). Subjects (6 POTS ...

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ASSESSING WORKING MEMORY IN REAL-LIFE SITUATIONS WITH FUNCTIONAL NEAR-INFRARED SPECTROSCOPY A functional near-infrared spectroscopy (fNIRS) instrument with a portable and low-cost design is developed, which is capable of providing hemodynamic measurement associated with brain function in ...

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Quantification of glycated hemoglobin indicator HbA1c through near-infrared spectroscopy The technique was based on the simultaneous near-infrared (NIR) spectral determination of hemoglobin (Hb) and absolute HbA1c content (Hb · HbA1c) in human hemolysate samples. Wavelength selections ...

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Evaluation of the moisture content of tapioca starch using near-infrared spectroscopy The purpose of this study was to develop a calibration model to evaluate the moisture content of tapioca starch using the near-infrared (NIR) spectral data in conjunction with partial least square ...

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Challenges in the noninvasive detection of body composition using near-infrared spectroscopy Noninvasive detection of body composition plays a significant role in the improvement of life quality and reduction in complications of the patients, and the near-infrared (NIR) spectroscopy, with the...

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Near-infrared metal-semiconductor-metal photodetector based on semi-insulating GaAs and interdigital... Metal-semiconductor-metal photodetectors on semi-insulating GaAs with interdigital electrodes showed significant enhancement in the spectral response in the near-infrared region as the electrode ...

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Nondestructive classification of mung bean seeds by single kernel near-infrared spectroscopy Near-infrared spectroscopy (NIRS) in the range 900–1700 nm was performed to develop a classifying model for dead seeds of mung bean using single kernel measurements. The use of the combination of ...

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Detection of illegally added drugs in dietary supplements by near-infrared spectral imaging The application to detect illegally added drugs in dietary supplements by near-infrared spectral imaging was studied with the focus on nifedipine, diclofenac and metformin. The method is based on near...

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IN VIVO TRANS-RECTAL ULTRASOUND-COUPLED NEAR-INFRARED OPTICAL TOMOGRAPHY OF INTACT NORMAL CANINE ... The imaging was performed by trans-rectal near-infrared (NIR) optical tomography in steady-state measurement at 840 nm on three sagittal planes across the right lobe, middle-line, and left lobe, ...

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PLS.zip_PLS 光谱_near-infrared_偏最小二乘法_光谱 定量_近红外 血液 利用偏最小二乘法实现对近红外光谱的血液定量分析

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DISCRIMINATION OF MENTAL WORKLOAD LEVELS IN HUMAN SUBJECTS WITH FUNCTIONAL NEAR-INFRARED ... We have applied functional near-infrared spectroscopy (fNIRS) to the human forehead to distinguish different levels of mental workload on the basis of hemodynamic changes occurring in the prefrontal ...

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Ultra-broad near-infrared emission of Bi-doped SiO2 Al2O3 GeO2 optical fibers Under 808-nm excitation, an ultra-broad near-infrared (NIR) emission with full-width at half-maximum (FWHM) of 495 nm is observed in the Bi-doped fiber. This observation, to our knowledge, is the ...

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Deep tissue near-infrared imaging for vascular network analysis Subcutaneous vein network plays important roles to maintain microcirculation that is related to some diagnostic aspects. Despite developments of optical imaging technologies, still the di±culties ...

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Selection of stable equivalent wavebands for near-infrared spectroscopic analysis of total nitrogen ... The selection of stable wavebands for the near-infrared (NIR) spectroscopic analysis of total nitrogen (TN) in soil was accomplished by using an improved moving window partial least squares (MWPLS) ...

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Extracting heartrate from optical signal of functional near-infrared spectroscopy based on ... Functional near-infrared spectroscopy (fNIRS), as a new optical functional neuroimaging method, has been widely used in neuroscience research. In some research fields with NIRS, heartrate (HR) (or ...

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Determination of chemical oxygen demand in water using near-infrared transmission and UV absorbance ... Compared with the conventional wet chemical method, near-infrared (NIR) transmission and ultraviolet (UV) absorbance method based on photoelectric detection technology and spectroscopy analysis offer...

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Targeted principle component analysis: A new motion artifact correction approach for near-infrared ... As near-infrared spectroscopy (NIRS) broadens its application area to different age and disease groups, motion artifacts in the NIRS signal due to subject movement is becoming an important challenge....

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Fabrication of air-bridged Kerr nonlinear polymer photonic crystal slab structures in near-infrared ... Fabrication details of air-bridged Kerr nonlinear polymer photonic crystal slab structures ... The optical measurement in the near-infrared region is implemented using the tapered fiber coupling method,

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PLS Subspace-Based Calibration Transfer for Near-Infrared Spectroscopy Quantitative Analysis PLS Subspace-Based Calibration Transfer for Near-Infrared Spectroscopy Quantitative Analysis

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The switching of single photon in near-infrared quantum communication networks The switching of single photon in near-infrared quantum communication networks

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AO–MW–PLS method applied to rapid quantification of teicoplanin with near-infrared spectroscopy In this study, a reagent-free and rapid quantification method for TCP in the TCP–Tris–HCl mixture samples was developed using near-infrared (NIR) spectroscopy by focusing our attention on the ...

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based thinning and calculating method for noninvasive blood glucose sensing by near-infrared ... Previous results show that the floating reference theory (FRT) is an effective tool to reduce the influence of interference factors on noninvasive blood glucose sensing by near-infrared spectros-copy ...

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MINIMIZING EXCITATION LIGHT LEAKAGE AND MAXIMIZING MEASUREMENT ...FOR MOLECULAR IMAGING WITH NEAR... Near-infrared fluorescence (NIRF) imaging involves the separation of weak fluorescence signals from backscattered excitation light. The measurement sensitivity of current NIRF imaging systems is ...

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DETECTING BILATERAL FUNCTIONAL CONNECTIVITY IN THE PREFRONTAL CORTEX DURING A STROOP TASK BY NEAR-... Near-infrared spectroscopy (NIRS) is generally accepted as a functional brain imaging technology for brain activation study. With multichannel highly sensitive NIRS instruments, it has become possible...

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Rapid quantitative detection of mineral oil contamination in vegetable oil by near-infrared ... This study provides a rapid method for quantification of mineral oil in rapeseed oil using near-infrared spectroscopy. The data were processed by direct orthogonal signal correction (DOSC), successive...

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Monte-Carlo study for look ahead distance of near-infrared probe for neurosurgical microwound ... Monte-Carlo simulation was used to study photon distribution in brain tissue, look ahead distance (LAD) empirical formula and theoretical model of near-infrared (NIR) neurosurgical manipulation ...

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NEAR-INFRARED IMAGING SENSOR WITH IMPROVED HANDLING AND DIRECT LOCALIZATION IN SIMULTANEOUS MAGNETIC... We present a novel optical sensor to acquire simultaneously functional near-infrared imaging (fNIRI) and functional magnetic resonance imaging (fMRI) data with an improved handling and direct ...

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MUSCLE RESEARCH WORK WITH BRITTON CHANCE FROM IN VIVO MAGNETIC RESONANCE SPECTROSCOPY TO NEAR-... Britton Chance has pioneered magnetic resonance spectroscopy (MRS) and near-infrared (NIR) spectroscopy (NIRS) as noninvasive methods for measuring muscle metabolism in vivo from the late 1970s....

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Static light scattering properties of a ZnO nanosphere aqueous suspension at visible and near-... 50, 100, and 200 nm suspended in water are investigated theoretical and experimentally in the spectral range of the entire visible range and part of the near-infrared region. The scattering ...

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Effect of head model on Monte Carlo modeling of spatial sensitivity distribution for functional near... Modeling Light propagation within human head to deduce spatial sensitivity distribution (SSD) is important for Near-infrared spectroscopy (NIRS)/imaging (NIRI) and diffuse correlation tomography....

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Application of near-infrared spectroscopy for the rapid analysis of Lonicerae Japonicae Flos ... A rapid quantitative analytical method for three components of Lonicerae Japonicae Flos solution (Lonicera Japonica Thumb.) extracted by water was developed using near-infrared (NIR) spectroscopy and ...

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