Comparison of different calibration techniques of laser induced breakdown spectroscopy in bakery products: on NaCl measurement

IF 1.9 4区物理与天体物理 Q3 OPTICS

Journal of the European Optical Society-Rapid Publications Pub Date : 2021-09-01 DOI:10.1186/s41476-021-00164-9

Gonca Bilge, Kemal Efe Eseller, Halil Berberoglu, Banu Sezer, Ugur Tamer, Ismail Hakki Boyaci

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引用次数: 0

Abstract

Laser induced breakdown spectroscopy (LIBS) is a rapid optical spectroscopy technique for elemental determination, which has been used for quantitative analysis in many fields. However, the calibration involving atomic emission intensity and sample concentration, is still a challenge due to physical-chemical matrix effect of samples and fluctuations of experimental parameters. To overcome these problems, various chemometric data analysis techniques have been combined with LIBS technique. In this study, LIBS was used to show its potential as a routine analysis for Na measurements in bakery products. A series of standard bread samples containing various concentrations of NaCl (0.025%–3.5%) was prepared to compare different calibration techniques. Standard calibration curve (SCC), artificial neural network (ANN) and partial least square (PLS) techniques were used as calibration strategies. Among them, PLS was found to be more efficient for predicting the Na concentrations in bakery products with an increase in coefficient of determination value from 0.961 to 0.999 for standard bread samples and from 0.788 to 0.943 for commercial products.

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烘焙产品中激光诱导击穿光谱不同校准技术的比较——以NaCl测量为例

激光诱导击穿光谱(LIBS)是一种快速测定元素的光谱学技术，已被广泛应用于许多领域的定量分析。然而，由于样品的物理-化学基质效应和实验参数的波动，原子发射强度和样品浓度的校准仍然是一个挑战。为了克服这些问题，各种化学计量数据分析技术已经与LIBS技术相结合。在这项研究中，LIBS被用来展示其作为烘焙产品中钠测量的常规分析的潜力。制备了一系列含不同浓度NaCl(0.025% ~ 3.5%)的标准面包样品，比较了不同的校准技术。采用标准校准曲线(SCC)、人工神经网络(ANN)和偏最小二乘(PLS)技术作为校准策略。其中，PLS预测烘焙产品中Na浓度的效率更高，标准面包样品的测定系数从0.961增加到0.999，商业产品的测定系数从0.788增加到0.943。

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来源期刊

Journal of the European Optical Society-Rapid Publications 物理-光学

CiteScore

2.40

自引率

0.00%

发文量

审稿时长

5 weeks

期刊介绍： Rapid progress in optics and photonics has broadened its application enormously into many branches, including information and communication technology, security, sensing, bio- and medical sciences, healthcare and chemistry. Recent achievements in other sciences have allowed continual discovery of new natural mysteries and formulation of challenging goals for optics that require further development of modern concepts and running fundamental research. The Journal of the European Optical Society – Rapid Publications (JEOS:RP) aims to tackle all of the aforementioned points in the form of prompt, scientific, high-quality communications that report on the latest findings. It presents emerging technologies and outlining strategic goals in optics and photonics. The journal covers both fundamental and applied topics, including but not limited to: Classical and quantum optics Light/matter interaction Optical communication Micro- and nanooptics Nonlinear optical phenomena Optical materials Optical metrology Optical spectroscopy Colour research Nano and metamaterials Modern photonics technology Optical engineering, design and instrumentation Optical applications in bio-physics and medicine Interdisciplinary fields using photonics, such as in energy, climate change and cultural heritage The journal aims to provide readers with recent and important achievements in optics/photonics and, as its name suggests, it strives for the shortest possible publication time.