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Handheld near-infrared spectrometers: Where are we heading? 手持近红外光谱仪:我们要去哪里?
Pub Date : 2020-04-13 DOI: 10.1177/0960336020916815
K. Beć, J. Grabska, H. Siesler, C. Huck
During NIR 2019 conference, Gold Coast, Australia, a presentation upon a critical review of instrumentation and applications of handheld spectrometers was delivered during the plenary session held on Thursday morning, 19 September. Following the conference presentation, a vivid discussion flared up among the audience that equally involved academic scholars, industry representatives, as well as professionals who carry out every day in-the-field applications. Various aspects were raised connected with the emerged new generation of near-infrared instrumentation, with many individuals expressing their point-of-view on the merits and pitfalls of the miniaturized spectrometers. This vigorous dispute and exchange of impressions indicated that the community remains concerned about the applicability of such devices. That concern reflects the still relatively shallowly explored miniaturization versus performance factor, which can only be dismissed by focused feasibility studies with comparative analyses carried out on scientific-grade benchtop spectrometers. It is the aim of the present manuscript to summarize the discussed scientific content and to share the developed point-of-view with addition of our remarks.
在澳大利亚黄金海岸举行的2019年NIR会议期间,在9月19日星期四上午举行的全体会议上,发表了关于手持式光谱仪仪器和应用的重要审查的报告。在会议报告之后,观众之间展开了一场生动的讨论,包括学术学者、行业代表以及每天在现场进行应用的专业人士。针对新一代近红外仪器的出现,提出了各种各样的问题,许多人对小型化光谱仪的优点和缺点发表了自己的看法。这种激烈的争论和交换意见表明,社会仍然对这种装置的适用性感到关切。这种担忧反映了对小型化与性能因素的探索仍然相对肤浅,只有通过对科学级台式光谱仪进行比较分析的重点可行性研究才能消除这一问题。这是本手稿的目的是总结讨论的科学内容,并分享发展的观点,加上我们的评论。
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引用次数: 78
Scald-Cold: Joint Austrian-Italian consortium in the Euregio project for the comprehensive dissection of the superficial scald in apples 烫伤-冷:联合奥地利-意大利财团在Euregio项目全面解剖苹果表面烫伤
Pub Date : 2020-03-12 DOI: 10.1177/0960336020910056
F. Costa, A. Zanella, K. Beć, F. Biasioli, N. Busatto, L. Cappellin, G. Chitarrini, B. Farneti, I. Folie, J. Grabska, Peter Robatcher, Stefan Stuerz, L. Vittani, U. Vrhovsek, C. Huck
After harvest, apples are stored at low temperature to slow down the ripening physiological processes. This strategy can, however, also promote the development of superficial scald, a chilling injury-related disorder showing brown-discoloured areas on the fruit skin, totally compromising its marketability. To examine thoroughly the underlying physiological mechanisms and genetic control of superficial scald, the “Scald-Cold” project, a three-year Interegional Project Network, was granted by the European Region Tyrol, South Tyrol and Trentino (EGTC). The project is centred on a comprehensive approach, integrating into a joint effort different scientific disciplines, ranging from genetics and transcriptomics to NIR spectroscopy and hyperspectral imaging, together with the employment of distinct postharvest storage technologies distinguished by a specific regime of low oxygen. The core of this project aims to disclose novel regulatory processes of this disorder, providing new series of tools important for both the scientific and technical communities interested in apple breeding and postharvest. The “Scald-Cold” project will identify new molecular markers suitable for the selection of new apple varieties genetically resistant to superficial scald, while developing tools for an early detection of this phenomenon.
苹果收获后,低温贮藏,以减缓成熟的生理过程。然而,这种策略也会促进表面烫伤的发展,这是一种与冷伤有关的疾病,在水果表皮上显示出棕色的区域,完全损害了其市场价值。为了彻底研究浅表烫伤的潜在生理机制和遗传控制,欧洲蒂罗尔、南蒂罗尔和特伦蒂诺地区(EGTC)批准了为期三年的区域项目网络“烫伤-冷”项目。该项目以综合方法为中心,将不同的科学学科整合到一起,从遗传学和转录组学到近红外光谱和高光谱成像,以及采用独特的采收后储存技术,这些技术以特定的低氧制度为特征。该项目的核心是揭示这种疾病的新调控过程,为对苹果育种和采后感兴趣的科学界和技术界提供一系列重要的新工具。“烫伤-冷”项目将确定新的分子标记,用于选择抗表面烫伤的苹果新品种,同时开发早期检测这种现象的工具。
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引用次数: 2
Holistic research of diffusely reflected light in cellulosic materials 纤维素材料漫反射光的整体研究
Pub Date : 2020-03-06 DOI: 10.1177/0960336020910080
S. Tsuchikawa
This paper introduces some applications of time-of-flight or time-resolved spectroscopy to cellulosic materials like wood. Time-of-flight or time-resolved spectroscopy uses short pulses of light illumination where a portion of the light is scattered but most of the light propagates through the sample. By using such technique, we could know that the light scattering contribution to near infrared spectra in wood is significant because it is a complex and highly scattering medium due to its cellulosic structure.
本文介绍了飞行时间或时间分辨光谱在木材等纤维素材料中的一些应用。飞行时间或时间分辨光谱学使用短脉冲光照明,其中一部分光被散射,但大部分光通过样品传播。通过使用这种技术,我们可以知道木材中的光散射对近红外光谱的贡献是显著的,因为它是一种复杂的高散射介质,由于其纤维素结构。
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引用次数: 0
The 35th NIR Forum (Japan) 第35届新工业革命论坛(日本)
Pub Date : 2020-03-06 DOI: 10.1177/0960336020910081
S. Tsuchikawa
This is a report about the 35th NIR Forum organized by the Japan Council for Near Infrared Spectroscopy held during the week of 18–20 November 2019 at Tokyo. The meeting was a big success, with 235 participants and 24 sponsors, 16 of whom exhibited their products.
这是关于2019年11月18日至20日在东京举行的日本近红外光谱委员会组织的第35届近红外论坛的报告。会议取得了巨大的成功,共有235名与会者和24家赞助商,其中16家展示了他们的产品。
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引用次数: 0
Applied near-infrared spectroscopy team in West Anhui University, Lu’an, China 中国六安皖西大学应用近红外光谱团队
Pub Date : 2020-03-06 DOI: 10.1177/0960336020910068
B. Han
The applied near-infrared (NIR) spectroscopy team of West Anhui University was founded by Professor Bangxing Han. It has 15 members, including Professor Cunwu Chen, Associate Professor Hui Yan, Dong Liu, Fangli Gu, Chuanbo Sun, PhD, Fucheng Zhu, Chen Song, Peipei Wei, Hui Deng, Xueping Jiang, Fang Wang, and five master students. Figure 1 shows some members of our team. The team members have various theoretical knowledge and practical experiences in NIR spectroscopy, chemistry, pharmacy, biomedicine, computer software, and network engineering, which makes our team scientific and reasonable. After years of development, we have established a multi-level academic team and a system for cultivating talents. The team has developed a lot of projects related to the qualitative and quantitative evaluation of the quality of Traditional Chinese Medicine (TCM). Many research platforms, such as the national technical system of the TCM industry, national expert service base, Anhui engineering laboratory for conservation and sustainable utilization of TCM resources, and Anhui province collaborative innovation of Dendrobium engineering technology research center, have been established by our team. Recently, the rapid non-destructive analysis method has attracted worldwide attention in the area of TCMs. In 2009, since a National Natural Science project has been carried out in 2009, over 20 research projects have already been obtained by our team which were founded by National forestry industry-standard preparation and revision project, National forestry science and technology promotion demonstration Fund project, Major increase and decrease projects of the central government, National agricultural standardization demonstration area project, The National Key Research and Development Program of China, foundation of Anhui educational committee, excellent youth foundation of Anhui scientific committee, and projects supported by the enterprise. In the past period of time, taking bulk rare and endangered authentic TCMs (Dendrobium huoshanense, Chrysanthemi flos, Peucedani radix, Pseudostellariae radix, Rosae laevigatae fructus, Caryophylli flos, Chaenomelis fructus, etc.) as the research material, our team focused on the core technologies of the applied NIR spectroscopy, such as methods of determination and developments of the hardware devices and software. Fortunately, the team has established a novel NIR spectroscopy pattern recognition system and updated a series of NIR hardware equipment. Especially, the comprehensive quality evaluation on-site, real-time monitoring online, and rapid automatic sorting technology have been systematically investigated. Meanwhile, the team has obtained a series of achievements in science and technology. Eight enterprises have been guided to apply these achievements and achieved obvious economic and social benefits. All in all, the obtained scientific achievements have poured a solid foundation for the development of standardization for
皖西大学应用近红外(NIR)光谱团队由韩邦兴教授创建。现有陈存武教授、严辉副教授、刘东、顾芳丽、孙传波、博士、朱福成、宋晨、魏培培、邓辉、蒋雪萍、王芳等15人,硕士研究生5人。图1显示了我们团队的一些成员。团队成员在近红外光谱、化学、药学、生物医学、计算机软件、网络工程等方面具有丰富的理论知识和实践经验,这使我们的团队具有科学性和合理性。经过多年的发展,我们已经建立了一支多层次的学术团队和人才培养体系。该团队开发了许多与中医药质量定性和定量评估相关的项目。团队建立了中药产业国家技术体系、国家专家服务基地、中药资源保护与可持续利用安徽省工程实验室、安徽省石斛工程技术协同创新研究中心等多个研究平台。近年来,快速无损分析方法在中药领域引起了广泛的关注。2009年,自2009年承担一项国家自然科学项目以来,我团队先后获得国家林业行业标准制修订项目、国家林业科技推广示范基金项目、中央财政重大增减项目、国家农业标准化示范区项目、国家重点研究发展计划、安徽省教委基金、安徽省科委优秀青年基金、企业资助项目。在过去的一段时间里,我们的团队以大量珍稀濒危中药材(霍山石斛、菊花、芍药根、伪星根、玫瑰果、石竹花、木瓜果等)为研究材料,重点研究了应用近红外光谱的核心技术,如测定方法、硬件设备和软件的开发。幸运的是,该团队建立了一套新颖的近红外光谱模式识别系统,并更新了一系列近红外硬件设备。重点对现场综合质量评价、在线实时监测和快速自动分拣技术进行了系统研究。同时,团队取得了一系列科技成果。已指导8家企业应用这些成果,取得了明显的经济效益和社会效益。总之,所取得的科学成果为中医药和农业产业的标准化发展奠定了坚实的基础。
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引用次数: 0
The Second Aquaphotomics European Conference 第二届水生生物学欧洲会议
Pub Date : 2020-03-06 DOI: 10.1177/0960336020910075
Z. Bodor, J. Z. Zaukuu, Viktória Muha Zsom, Z. Gillay, L. Baranyai, Z. Kovács
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引用次数: 0
Improvement of teaching near-infrared spectroscopic analysis for undergraduates 大学生近红外光谱分析教学的改进
Pub Date : 2020-03-01 DOI: 10.1177/0960336019889285
Hui Yan, Guozheng Zhang, Shiqiang Tao
With the growing acceptance and expansion of near-infrared spectroscopy as a potential tool in chemical research and industrial quality and process control, it has also become an academic challenge for University teachers, to teach students the necessary theoretical and instrumental principles of this spectroscopic technique. Using the elective open experiment courses and carefully designing their scientific content can produce a double teaching effect; students participate in discipline competitions under careful guidance by teachers, and they can achieve particularly good results; graduation thesis is another way to improve the ability of students in learning and comprehending the near-infrared technology. Years of practical experience have proven that the above approaches are feasible.
随着近红外光谱作为化学研究和工业质量和过程控制的潜在工具被越来越多地接受和扩展,向学生传授这种光谱技术的必要理论和仪器原理也成为大学教师面临的学术挑战。利用开放性实验选修课,精心设计其科学内容,可以产生双重的教学效果;学生在老师的精心指导下参加学科竞赛,取得了特别好的成绩;毕业论文是提高学生对近红外技术学习和理解能力的又一途径。多年的实践经验证明,上述方法是可行的。
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引用次数: 0
Classifying green teas with near infrared hyperspectral imaging 用近红外高光谱成像技术对绿茶进行分类
Pub Date : 2020-03-01 DOI: 10.1177/0960336019889321
P. Mishra, A. Nordon
Tea products analysis is currently limited to high-end analytical techniques such as high-performance liquid chromatography, gas chromatography and isotope analysis. However, these techniques are time-consuming, expensive, destructive and require trained experts to perform the experiments. In the present work, an application of near infrared hyperspectral imaging for the classification of similarly appearing green tea products is demonstrated. The tea products were classified based on their origin utilising a support vector machine classifier. Results showed good accuracy (96.36 ± 0.17%) for the classification of green tea products from seven different countries of origin.
茶叶产品分析目前仅限于高效液相色谱、气相色谱、同位素分析等高端分析技术。然而,这些技术耗时、昂贵、具有破坏性,并且需要训练有素的专家来进行实验。在本工作中,展示了近红外高光谱成像在相似外观绿茶产品分类中的应用。利用支持向量机分类器对茶叶产品进行原产地分类。结果表明,该方法对7个不同原产国的绿茶产品进行分类,准确率为96.36±0.17%。
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引用次数: 2
Karl, a thoughtful person with strong will and continuous curiosity 卡尔,一个有思想的人,有坚强的意志和不断的好奇心
Pub Date : 2020-03-01 DOI: 10.1177/0960336019889302
Y. Ozaki
I encountered NIR spectroscopy from the second half of 1980s with the kind introduction by Dr. Mutsuo Iwamoto. I was so surprised to know that application of NIR spectroscopy was initiated not by a spectroscopist but by an agricultural engineer. I began my career as a Raman spectroscopist and I strongly believed that spectroscopy was developed by a spectroscopist. So, it was my truly pristine astonishment to learn that an agricultural engineer woke up “the sleeping giant.” He changed the way of thinking about spectroscopy. He opened a new door for traditional molecular spectroscopy. I was so lucky that my first NIR paper titled “Nondestructive and Noninvasive Monitoring of Deoxyhemoglobin in the Vein by Use of a NearInfrared Reflectance Spectrometer with a Fiber-Optic Probe,” appeared in Applied Spectroscopy 46, 180–182 (1992), caught the attention of Karl. He eagerly encouraged me to work on NIR spectroscopy. Since that time, I could talk with him from time to time. Karl was also very much interested in Raman spectroscopy. More than 25 years ago, he told me that in near future Raman spectroscopy will become a very important tool for nondestructive analysis. He often attended FACSS Meeting (presently SciX). He joined not only NIR sessions but also Raman and other spectroscopy sessions. From time to time, he raised strong questions in a Raman session. He always showed strong keen interest in various fields. He was the father of NIR spectroscopy and at the same time, a father of nondestructive analysis and one of the fathers in chemometrics. Nowadays, Raman spectroscopy uses chemometrics, learning from NIR spectroscopy. Karl always behaved as a gentle father. He liked discussing with people particularly young people. He was always enthusiastic even in the 80s; he never lost curiosity in science and engineering. He was also a man of strong will. He had a number of children in research, grandchildren, and great grandchildren all over the world. His influence is inestimable. The impact of his research is so wide not only in agriculture and food science but also in almost all science and engineering branches. His achievements truly deserve a Nobel Prize. We did lose a great engineer. We have to continue his great achievement and develop them further for the world!
我从20世纪80年代后半期开始接触近红外光谱学,是在岩本Mutsuo博士的热心介绍下。我很惊讶地发现,近红外光谱的应用不是由光谱学家发起的,而是由一位农业工程师发起的。我的职业生涯是从拉曼光谱学家开始的,我坚信光谱学是由光谱学家发展起来的。所以,当我得知一个农业工程师唤醒了“沉睡的巨人”时,我真的非常惊讶。他改变了人们对光谱学的看法。他为传统分子光谱学打开了一扇新的大门。我非常幸运,我的第一篇近红外论文题为“使用光纤探针的近红外反射光谱仪无损无创地监测静脉中的脱氧血红蛋白”,发表在《应用光谱学》第46期,180-182(1992),引起了卡尔的注意。他热切地鼓励我从事近红外光谱研究。从那时起,我可以不时地和他交谈。卡尔对拉曼光谱学也很感兴趣。25多年前,他告诉我,在不久的将来,拉曼光谱将成为一种非常重要的无损分析工具。他经常参加FACSS会议(现为SciX)。他不仅参加了近红外会议,还参加了拉曼和其他光谱学会议。他不时在拉曼会议上提出尖锐的问题。他总是对各个领域表现出浓厚的兴趣。他是近红外光谱学之父,同时也是无损分析之父和化学计量学之父之一。如今,拉曼光谱采用化学计量学,借鉴近红外光谱。卡尔总是表现得像个慈祥的父亲。他喜欢与人讨论,尤其是年轻人。即使在80年代,他也一直很热情;他从未失去对科学和工程的好奇心。他也是一个意志坚强的人。他有很多孩子在研究,孙子和曾孙遍布世界各地。他的影响是不可估量的。他的研究不仅在农业和食品科学领域,而且在几乎所有的科学和工程领域都产生了广泛的影响。他的成就确实值得获得诺贝尔奖。我们确实失去了一位伟大的工程师。我们必须继续他的伟大成就,并为世界进一步发展!
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引用次数: 0
Near infrared inspection technology of bottled explosive liquid in airports 机场瓶装爆炸液体近红外检测技术
Pub Date : 2020-03-01 DOI: 10.1177/0960336019889283
H. Itozaki
Near infrared inspection technology of bottled explosive liquid has been developed to be used in airports for anti-terrorism. Near infrared absorbance of 700 nm–1000 nm is used to inspect liquids in a bottle. Influence of bottle’s color can be avoided if the second derivative of absorbance at wavelength of more than 800 nm is used to inspect colored bottles. Suspension liquid such as milk can be inspected by reflected light. As various bottled liquids are carried into the airport by passengers, hundreds of bottled liquid such as beverages (soft and hard drinks), cosmetics, perfumes, medicines, shampoos, and so on were collected and their near infrared absorbance spectra were obtained to make a database of discrimination. Correlation coefficient is used to discriminate these liquids. And safe liquid or explosives was identified instantly. An ultrasonic pulse method was also applied to inspection of liquid in a metal can. Kumahira Co. Ltd developed a commercialized product. It was certified by the most reliable evaluation organization European Civil Aviation Conference. In 2019, more than 300 devices have been installed in Japanese airports for anti-terrorism, and some of them have been installed in Japanese Customs to inspect smuggling drugs. The liquid inspection technology can be applied not only in airports but also in many kinds of public places for the safety of public. Near infrared technology has large potential to be applied in more and more fields.
研制了用于机场反恐的瓶装爆炸液体近红外检测技术。近红外吸光度为700nm - 1000nm,用于检测瓶内液体。采用波长大于800nm的吸光度二阶导数对有色瓶进行检测,可以避免对瓶子颜色的影响。像牛奶这样的悬浮液可以用反射光来检测。由于旅客携带的各种瓶装液体进入机场,我们收集了饮料(软饮料和软饮料)、化妆品、香水、药品、洗发水等数百种瓶装液体,获得了它们的近红外吸收光谱,建立了鉴别数据库。用相关系数来区分这些液体。安全液体或爆炸物立即被识别出来。并将超声脉冲法应用于金属罐内液体的检测。熊平株式会社开发出商业化产品。由最可靠的评估机构欧洲民航会议认证。2019年,日本机场安装了300多台用于反恐的设备,其中一些设备已安装在日本海关,用于检查走私毒品。液体检测技术不仅可以应用于机场,还可以应用于各种公共场所,以保障公众的安全。近红外技术在越来越多的领域具有巨大的应用潜力。
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引用次数: 3
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