Results 1 to 10 of about 10,912 (213)

Laser-Induced Breakdown Spectroscopy vs. Fluorescence Spectroscopy for Olive Oil Authentication [PDF]

Foods
In the present work, laser-induced breakdown spectroscopy (LIBS) and fluorescence spectroscopy are used and assessed for the detection of EVOOs’ adulteration with some non-EVOO edible oils (i.e., pomace, corn, sunflower, and soybean) and the ...
Marios Bekogianni, Theodoros Stamatoukos, Eleni Nanou, Stelios Couris   +3 more
doaj   +2 more sources

Characterization of Functional Coatings on Cork Stoppers with Laser-Induced Breakdown Spectroscopy Imaging [PDF]

Sensors, 2023
Evaluating the efficiency of surface treatments is a problem of paramount importance for the cork stopper industry. Generically, these treatments create coatings that aim to enhance the impermeability and lubrification of cork stoppers.
Miguel F. S. Ferreira, Diana Guimarães, Rafaela Oliveira, Tomás Lopes, Diana Capela, José Marrafa, Pedro Meneses, Armindo Oliveira, Carlos Baptista, Tiago Gomes, Sérgio Moutinho, José Coelho, Raquel Nunes da Silva, Nuno A. Silva, Pedro A. S. Jorge   +14 more
doaj   +2 more sources

Assessing the Sensitivity and Efficiency of Laser-Induced Breakdown Spectroscopy (LIBS) for High-Concentration Cadmium Detection in Cocoa Powder [PDF]

Sensors
Cocoa is a major commodity in the global food industry. Heavy metal contamination, particularly cadmium (Cd), raises significant concerns. This work demonstrates the use of laser-induced breakdown spectroscopy (LIBS) for fast Cd quantification in ...
Juan Molina M., Raquel Pincay, Víctor Santos, José Luis González, María Fernanda Trujillo Guerrero, Diego Díaz Pace, César Costa-Vera   +6 more
doaj   +2 more sources

Breakdown Spectroscopy Induced by Nonlinear Interactions of Femtosecond Laser Filaments and Multidimensional Plasma Gratings

Ultrafast Science, 2023
Breakdown spectroscopy is a valuable tool for determining elements in solids, liquids, and gases. All materials in the breakdown region can be ionized and dissociated into highly excited fragments and emit characteristic fluorescence spectra.
Mengyun Hu, Shupeng Xu, Shuai Yuan, Heping Zeng   +3 more
doaj   +1 more source

APPLICATION OF THE LASER INDUCED BREAKDOWN SPECTROSCOPYTECHNIQUE TO THE DETECTION OF Cl IN CHARD TO INFER THE PRESENCE OF PESTICIDES

Anales (Asociación Física Argentina), 2021
Pesticide residues in food are a threat to consumption. However, detecting residues quickly and directly on the sample is a complex job. In this work, the potential application of the Laser Induced Breakdown Spectroscopy (LIBS) technique for the rapid ...
L. J. Martino, C. A. D’Angelo
doaj   +1 more source

Insulator contamination analysis based on laser-induced breakdown spectroscopy [PDF]

电力工程技术, 2022
Pollution flashover is one of the main factors threatening the safety of power system. In order to prevent pollution flashover accident,it is necessary to regularly analyze the contamination of insulator surface.
JIN Tao, LU Shan, LIU Xingting, HE Yongqi, WANG Xilin, JIA Zhidong   +5 more
doaj   +1 more source

Rapid Identification of LED Phosphors by Laser-Induced Breakdown Spectroscopy [PDF]

ACS Omega
Nan Chen, Zixun Luo, Xinjian Shen, Zhaohua Zou, Yande Liu, Bin Li   +5 more
doaj   +2 more sources

Analysis of Cu and Zn contents in aluminum alloys by femtosecond laser-ablation spark-induced breakdown spectroscopy

Open Physics, 2023
To enhance the sensitivity of detecting Cu and Zn in aluminum alloys, we incorporated a spark discharge unit into the femtosecond laser-induced breakdown spectroscopy (fs-LIBS) system, forming a femtosecond laser ablation spark-induced breakdown ...
Pinjun Li, Zhengye Xiong, Zidong Ma, Jingyuan Guo, Chunxi Wang   +4 more
doaj   +1 more source

Laser-induced breakdown spectroscopy instrument and spectral analysis for deep-ocean Fe-Mn crusts

Frontiers in Marine Science, 2023
IntroductionMarine ferromanganese crusts are potentially important metal resources.The deep-ocean research and survey ships often need to carry out rapid chemical element component analysis of mineral resources, so as to plan for the geological resource ...
Guang Yang, Guang Yang, Guanyu Chen, Guanyu Chen, Zixuan Cai, Zixuan Cai, Xiangqian Quan, Yang Zhu, Yang Zhu   +8 more
doaj   +1 more source

Concept and design of a compact laser system for remote measurements by the method of laser-induced breakdown spectroscopy [PDF]

EPJ Web of Conferences, 2019
A compact laser system based on a Nd: YAG laser with a wavefront self-reversal for remote analysis of substances by laser-induced breakdown spectroscopy at a distance of at least 10 m is proposed.
Lebedev Vyacheslav, Pavlov Kirill, Fedina Maria, Fedin Alexander   +3 more
doaj   +1 more source