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Giuseppe Acri, Carlo Sansotta, Francesca Maria Salmeri, Marco Romeo, Elisa V. Ruello, Lucia Denaro and Barbara Testagrossa
Purple urine bag syndrome (PUBS) is a rare condition characterized by purple discoloration of urine and urine bags. Although it is benign, it represents an alarming symptom to the patients and their relatives because of purple discoloration. We have phys...
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Wenhe Xing, Xueping Ju, Jian Bo, Changxiang Yan, Bin Yang, Shuyan Xu and Junqiang Zhang
The process of radiometric calibration would be coupled with the polarization properties of an optical system for spectropolarimetry, which would have significant influences on reconstructed Stokes parameters. In this paper, we propose a novel polarizati...
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Omar Ormachea,Alex Villazón,Iván Terceros
Identifying minerals in ore concentrates require costly techniques and preparation of samples, thus limiting their instant analysis. We present the development of a low-cost portable LIBS (Laser Induced Breakdown Spectroscopy) system, to identify atomic ...
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Huda Aslam, Md Maruf Mortula, Sherif Yehia, Tarig Ali and Manreet Kaur
Leakages from water distribution infrastructures are responsible for a considerable amount of water losses. Consequently, innovative, non-destructive techniques (NDT) of leakage detection for early recognition is vital. In this study, the leak detection ...
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Shreemat Shrestha, Murray C. Peel and Graham A. Moore
The assessment of direct radiative forcing due to atmospheric aerosols (ADRF) in the Indo Gangetic Plain (IGP), which is a food basket of south Asia, is important for measuring the effect of atmospheric aerosols on the terrestrial ecosystem and for asses...
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Yu-Chung Lin and Joseph V. Sinfield
The emergence of a wide variety of relatively low-cost compact spectrometers has led to an increase in the use of spectroscopic techniques by researchers in a broad array of fields beyond those that have traditionally employed these analytical methods. W...
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Shuang Fan, Zhuopin Xu, Weimin Cheng, Qi Wang, Yang Yang, Junyao Guo, Pengfei Zhang and Yuejin Wu
For the efficient selection of high-quality rice varieties, the near-infrared spectroscopy (NIRS) technique has been widely applied to detect constituents in single rice kernels. Compared with other constituents, amylose content (AC) and fat content (FC)...
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Roman Zoun, Kay Schallert, David Broneske, Ivayla Trifonova, Xiao Chen, Robert Heyer, Dirk Benndorf and Gunter Saake
Mass spectrometers enable identifying proteins in biological samples leading to biomarkers for biological process parameters and diseases. However, bioinformatic evaluation of the mass spectrometer data needs a standardized workflow and system that store...
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Daowei Dou, Zhi Zeng, Wen Yu, Ming Zeng, Wu Men, Feng Lin, Hao Ma, Jianping Cheng and Junli Li
In a nuclear emergency, the application of in situ spectrometers for monitoring environmental radioactivity is significantly important, as information on the type and activity of radionuclides released from the accident can be obtained quickly. However, ...
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Yang Wang, Zhiyuan Gu, Xiangyue Meng, Lei Zhang and Yuegang Fu
Combining the requirements of spectrometers for unmanned aerial vehicle platforms, a miniaturized airborne wide-angle push-broom imaging spectrometer with an Offner configuration is designed. The system comprises an objective lens and an Offner-type spec...
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Soichiro Tanaka, Hideo Tsuru, Kazuaki Someno and Yasushi Yamaguchi
Hydrothermal alteration minerals, which are important as indicators in the exploration of ore deposits, exhibit diagnostic absorption peaks in the short-wavelength infrared region. We propose an approach for the identification of alteration minerals that...
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Carina Hedrich, Stefanie Haugg, Leutrim Pacarizi, Kaline P. Furlan, Robert H. Blick and Robert Zierold
One-dimensional zinc oxide nanostructures have aroused interest from scientists and engineers for electron field emission applications because of their experimentally accessible high aspect ratio in combination with their low work function. A comprehensi...
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Edwin Kukk, Koji Motomura, Hironobu Fukuzawa, Kiyonobu Nagaya and Kiyoshi Ueda
X-ray free electron lasers (XFELs) providing ultrashort intense pulses of X-rays have proven to be excellent tools to investigate the dynamics of radiation-induced dissociation and charge redistribution in molecules and nanoparticles. Coincidence techniq...
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Xinlei Ge, Yanan He, Yele Sun, Jianzhong Xu, Junfeng Wang, Yafei Shen and Mindong Chen
Nitrate is a very important aerosol component, thus elucidation of its characteristics and formation mechanisms is essential and important for effective reduction of aerosol pollution. In this work, highly time-resolved submicron aerosol (PM1) data measu...
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Stavros Misopoulos, Dirk Nather and Jose Marques-Hueso
Much scientific equipment requires the use of humidity control technologies. This includes instruments with hygroscopic optics, such as infrared spectrometers, OPOs and some lasers. The most common strategies include nitrogen purging or desiccant bag rep...
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Illia Zymak, Ján ?abka, Miroslav Polá?ek, Arnaud Sanderink, Jean-Pierre Lebreton, Bertrand Gaubicher, Barnabé Cherville, Anna Zymaková and Christelle Briois
A new laboratory OrbitrapTM cell-based mass spectrometer, OLYMPIA (Orbitrap anaLYseur MultiPle IonisAtion), without a C-trap module, has been developed and constructed. The first operation of the OrbitrapTM cell-based device with the continuous ion sourc...
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Stephen A. Whitmore, Cara I. Frischkorn and Spencer J. Petersen
A method for in-situ optical measurements of solid and hybrid propellant rocket plumes is developed, and results from proof of concept tests are presented. The developed method inserts fiber-optic cables acting as radiation conduits into the solid-fuel c...
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Rita Falconi, Stefania Sorbino, Roberto Pani and Luca Indovina
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-ray spectrometry is a well-known technique in environmental radioactivity measurements where easily handled systems are needed. Scintillators coupled to a photomultiplier tube (PMT), are...
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Karla R. Borba, Didem P. Aykas, Maria I. Milani, Luiz A. Colnago, Marcos D. Ferreira and Luis E. Rodriguez-Saona
Portable spectrometers are promising tools that can be an alternative way, for various purposes, of analyzing food quality, such as monitoring in a few seconds the internal quality during fruit ripening in the field. A portable/handheld (palm-sized) near...
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Osama Bagi Aljewaw, Muhammad Khalis Abdul Karim, Halimah Mohamed Kamari, Mohd Hafiz Mohd Zaid, Noramaliza Mohd Noor, Iza Nurzawani Che Isa and Mohammad Hasan Abu Mhareb
In this study, a series of Li2O-Al2O3-B2O3 glasses doped with various concentrations of Dy2O3 (where x = 0.0, 0.2, 0.4, 0.6, 0.8, and 1.0 mol%) were prepared by using a conventional melt-quenching technique. The structural, physical and optical propertie...
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