Multicomponent blood analysis by near-infrared Raman spectroscopy.

Quantitative Biological Raman Spectroscopy for Non - invasive Blood Analysis

Measurement of filling-factor-dependent magnetophonon resonances in graphene using Raman spectroscopy.

We perform polarization-resolved Raman spectroscopy on graphene in magnetic fields up to 45 T. This reveals a filling-factor-dependent, multicomponent anticrossing structure of the Raman G peak, resulting from magnetophonon resonances between magnetoexcitons and E(2g) phonons. This is explained with a model of Raman scattering taking into account the effects of spatially inhomogeneous carrier d...

Design and fabrication of non-invasive blood glucose sensor using pulse width modulation (PWM) technique and analysis of first harmonic amplitude of near infrared spectroscopy

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Chemical concentration measurement in blood serum and urine samples using liquid-core optical fiber Raman spectroscopy.

We report measurements of chemical concentrations in clinical blood serum and urine samples using liquid-core optical fiber (LCOF) Raman spectroscopy to increase the collected signal strength. Both Raman and absorption spectra were acquired in the near-infrared region using the LCOF geometry. Spectra of 71 blood serum and 61 urine samples were regressed via partial least squares against referen...

Detecting alterations of glucose and lipid components in human serum by near-infrared Raman spectroscopy

Introduction: Raman spectroscopy may become a tool for the analysis of glucose and triglycerides in human serum in real time. This study aimed to detect spectral differences in lipid and glucose components of human serum, thus evaluating the feasibility of Raman spectroscopy for diagnostic purposes. Methods: A total of 44 samples of blood serum were collected from volunteers and submitted for c...