Results 61 to 70 of about 148,956 (197)

Detection of melatonin and 5-HTP in dietary supplements based on multiple spectra

Frontiers in Nutrition
IntroductionMelatonin and 5-hydroxytryptophan (5-HTP), known for benefits in regulating sleep and combating depression, respectively, are incorporated into dietary supplements.
Huiyu Yang, Huiyu Yang, Huiyu Yang, Xinrui Zhang, Xinrui Zhang, Xinrui Zhang, Yang Gao, Yang Gao, Yang Gao, Zhuang Peng, Zhuang Peng, Zhuang Peng, Bo Su, Bo Su, Bo Su, Kai Li, Cunlin Zhang, Cunlin Zhang, Cunlin Zhang   +18 more
doaj   +1 more source

A Feasible Approach to Detect Pesticides in Food Samples Using THz-FDS and Chemometrics

Journal of Spectroscopy, 2020
The use of pesticides will have an impact on food, organisms, and environment. Specifically, pesticide residues in food will damage human health. Because of its high permeability, low energy, high spectral resolution, and fingerprint characteristics ...
Qian Chen, Shengyao Jia, Jianyuan Qin, Yong Du, Zongshan Zhao   +4 more
doaj   +1 more source

InGaN/GaN Distributed Feedback Laser Diodes with Surface Gratings and Sidewall Gratings

Micromachines, 2019
A variety of potential applications such as visible light communications require laser sources with a narrow linewidth and a single wavelength emission in the blue light region. The gallium nitride (GaN)-based distributed feedback laser diode (DFB-LD) is
Zejia Deng, Junze Li, Mingle Liao, Wuze Xie, Siyuan Luo   +4 more
doaj   +1 more source

High-brightness terahertz beams characterized with an ultrafast detector [PDF]

, 1989
Martin van Exter, Ch. Fattinger, D. Grischkowsky   +2 more
openalex   +1 more source

Potential clinical applications of terahertz radiation

Journal of Applied Physics, 2019
Terahertz radiation has significant potential in medical diagnosis and treatment because its frequency range corresponds to the characteristic energy of biomolecular motion.
J. Son, Seung Jae Oh, H. Cheon
semanticscholar   +1 more source

Terahertz quantum beats in molecular liquids [PDF]

, 1987
R. Leonhardt, W. B. Holzapfel, Wolfgang Zinth, W. Kaiser   +3 more
openalex   +1 more source

Ultra-wideband terahertz fingerprint enhancement sensing and inversion model supported by single-pixel reconfigurable graphene metasurface

PhotoniX
The molecular fingerprint sensing technology based on metasurface has unique attraction in the biomedical field. However, in the terahertz (THz) band, existing metasurface designs based on multi-pixel or angle multiplexing usually require more analyte ...
Bingwei Liu, Yan Peng, YuFan Hao, Yiming Zhu, Shengjiang Chang, Songlin Zhuang   +5 more
doaj   +1 more source

<title>Terahertz source requirements for astrophysics receivers</title> [PDF]

, 1994
T. G. Phillips
openalex   +1 more source

Hot electron dynamics study by terahertz radiation from large aperture GaAs p-i-n diodes [PDF]

, 1993
Long Xu, Bang Hu, Wei Xin, D. H. Auston, Jeffrey Morse   +4 more
openalex   +1 more source

Terahertz radiation from superconducting YBa2Cu3O7−δ thin films excited by femtosecond optical pulses [PDF]

, 1996
Masanori Hangyo, S. Tomozawa, Yohei Murakami, Masayoshi Tonouchi, M. Tani, Z. Wang, K. Sakai, Satοru Nakashima   +7 more
openalex   +1 more source