Terahertz detection of porosity and porous microstructure in pharmaceutical tablets: A review

X Lu, H Sun, T Chang, J Zhang, HL Cui - International Journal of …, 2020 - Elsevier
Pores are inevitably produced during the production of pharmaceutical tablets, which greatly
affects a range of tablet properties such as hardness, friability, tensile strength …

Design of encoded and tunable graphene-gold metasurface-based surface plasmon resonance sensors for glucose detection in the terahertz regime

NK Anushkannan, J Wekalao, SK Patel, FA Al-Zahrani - Plasmonics, 2024 - Springer
This study presents the design, optimization, and evaluation of a highly sensitive terahertz
refractive index sensor utilizing graphene metasurfaces for glucose detection in urine …

[HTML][HTML] Relationships between molecular structure of carbohydrates and their dynamic hydration shells revealed by terahertz time-domain spectroscopy

NV Penkov - International Journal of Molecular Sciences, 2021 - mdpi.com
Despite more than a century of research on the hydration of biomolecules, the hydration of
carbohydrates is insufficiently studied. An approach to studying dynamic hydration shells of …

Detection of boson peak and fractal dynamics of disordered systems using terahertz spectroscopy

T Mori, Y Jiang, Y Fujii, S Kitani, H Mizuno, A Koreeda… - Physical Review E, 2020 - APS
The boson peak is a largely unexplained excitation found universally in the terahertz
vibrational spectra of disordered systems; the so-called fracton is a vibrational excitation …

Nanoceramics of metastable ε-Fe 2 O 3: effect of sintering on the magnetic properties and sub-terahertz electron resonance

EA Gorbachev, LN Alyabyeva, MV Soshnikov… - Materials …, 2023 - pubs.rsc.org
In this study, we demonstrate the sintering of metastable ε-Fe2O3 nanoparticles into
nanoceramics containing 98 wt% of the epsilon iron oxide phase and with a specific density …

Characteristic terahertz absorption spectra of paramylon and paramylon-ester compounds

J Zhong, T Mori, T Kashiwagi, M Yamashiro… - … Acta Part A: Molecular …, 2021 - Elsevier
Paramylon is a long-chain polysaccharide, composed of glucose units connected via β-(1, 3)
glycosidic bonds, that spontaneously forms a three-strand helical bundle. Paramylon-esters …

Quantitative determination of acacia honey adulteration by terahertz-frequency dielectric properties as an alternative technique

W Liu, X Yin, Y Chen, M Li, D Han, W Liu - Spectrochimica Acta Part A …, 2022 - Elsevier
The dielectric characteristics in the terahertz region contribute to a revealing insight into the
material components and provide intermolecular information. The dielectric properties of …

[HTML][HTML] Rapid and sensitive detection of exosomal microRNAs by terahertz metamaterials

Y Zhou, Y Liu, Z Zong, H Huang, L Liang… - … Acta Part A: Molecular …, 2025 - Elsevier
Exosomal microRNAs (miRNAs) are among the most common biomarkers for tumor
diagnosis. However, single-miRNA detection lacks ideal sensitivity and specificity for …

Vortex beam generator based on single-layer porous metasurface

Y Liang, Y **, J Lu, Y Wu, C Li, X **g - Optics Communications, 2022 - Elsevier
Based on the geometric phase theory, a broadband terahertz wave vortex beam generator
based on a transmissive plasmonic metasurface is proposed. The metasurface is composed …

Investigation of the vibrational density of states of sodium carboxymethyl starch glass via terahertz time-domain spectroscopy

J Zhong, S Nakagawa, K Kaczmarska, W Terao… - … Acta Part A: Molecular …, 2022 - Elsevier
We investigated the vibrational density of states of sodium carboxymethyl starch (CM-starch)
by terahertz (THz) time-domain spectroscopy. The CM-starch showed a broad peak at∼ 3 …