Publications by authors named "Jakrapong Kaewkhao"
We propose a system for imaging 1510 nm near-infrared (NIR) wavelength via upconversion (UC) luminescence in an Er-doped CaF crystal. Er ions are excited from the ground to the excited state levels by an 800-nm pre-excitation wavelength, followed by the promotion of these ions to a higher energy level by the NIR excitation wavelength. Relaxation of these excited ions gives rise to 540 nm UC luminescence in the visible region, enabling the detection of the 1510 nm NIR wavelength.
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- Ectopic fat deposition linked to a high-fat diet (HFD) is associated with metabolic syndrome but lacks noninvasive evaluation tools for tracking related abnormalities.
- The study used male Wistar rats to compare the effects of a normal diet and HFD over 16 weeks, utilizing techniques like MRI and biochemical analysis to assess fat distribution and metabolite profiles.
- Results indicated that visceral fat correlated strongly with blood cholesterol, while liver fat content showed a connection with certain metabolites, identifying five potential biomarkers to differentiate between HFD and normal diets, confirming the negative impact of long-term HFD on metabolism.
Article Synopsis
- Young adulthood is seen as a critical period for weight gain, with increasing cases of metabolic syndrome among this age group.
- Researchers studied 60 young adults (ages 18-26) using MRI to measure different types of abdominal fat and found significant correlations between abdominal fat and BMI, as well as waist circumference.
- The study suggests that BMI and waist circumference can effectively assess fat levels and help identify strategies to reduce health risks related to metabolic disorders in young adults.
(1) Since the obesity prevalence rate has been consistently increasing, it is necessary to find an effective way to prevent and treat it. Although progress is being made to reduce obesity in the young adult population, a better understanding of obesity-related metabolomics and related biochemical mechanisms is urgently needed for developing appropriate screening strategies. Therefore, the aim of this study is to identify the serum metabolic profile associated with young adult obesity and its metabolic phenotypes.
View Article and Find Full Text PDFThe number of individuals suffering from fatty liver is increasing worldwide, leading to interest in the noninvasive study of liver fat. Magnetic resonance spectroscopy (MRS) is a powerful tool that allows direct quantification of metabolites in tissue or areas of interest. MRS has been applied in both research and clinical studies to assess liver fat noninvasively in vivo.
View Article and Find Full Text PDFStructural and spectroscopic properties of Er doped sodium lithium borate glasses.
Spectrochim Acta A Mol Biomol Spectrosc
December 2019
The trivalent erbium (Er doped sodium lithium borate glass with composition (65-x)BO-15NaO-10PbO-5ZnO-5LiO-xErO have been successfully fabricated by melt-quench technique. The structural properties were investigated by X-ray diffraction (XRD) and Fourier Transform Infrared (FTIR). The absorption and luminescence spectra of glass samples were measured to determine the spectroscopic properties.
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