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Journal articles on the topic 'Infrared spectrophotometers'

Author: Grafiati

Published: 4 June 2021

Last updated: 28 July 2025

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1

Mouazen, A. M., W. Saeys, J. Xing, J. De Baerdemaeker, and H. Ramon. "Near Infrared Spectroscopy for Agricultural Materials: An Instrument Comparison." Journal of Near Infrared Spectroscopy 13, no. 2 (2005): 87–97. http://dx.doi.org/10.1255/jnirs.461.

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The selection of a spectrophotometer for the measurement of constituents of agricultural materials with acceptable accuracy and cost effectiveness requires a comparative study of the performance of different spectrophotometers. Four commercially available spectrophotometers were evaluated, based on measurements performed on three agricultural materials. These spectrophotometers, differing mainly in wavelength range and measurement principles, comprised a diode array (DA) of 300–1700 nm, a combination of diode array and scanning monochromator (DASM) of 350–2500 nm, a Fourier transform (FT) of 7

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2

BROWN, CHRIS W. "ULTRAVIOLET, VISIBLE, and NEAR-INFRARED SPECTROPHOTOMETERS." Applied Spectroscopy Reviews 35, no. 3 (2000): 151–73. http://dx.doi.org/10.1081/asr-100101223.

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3

Dhawale, Nandkishor M., Viacheslav I. Adamchuk, Shiv O. Prasher, Raphael A. Viscarra Rossel, and Ashraf A. Ismail. "Evaluation of Two Portable Hyperspectral-Sensor-Based Instruments to Predict Key Soil Properties in Canadian Soils." Sensors 22, no. 7 (2022): 2556. http://dx.doi.org/10.3390/s22072556.

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In contrast with classic bench-top hyperspectral (multispectral)-sensor-based instruments (spectrophotometers), the portable ones are rugged, relatively inexpensive, and simple to use; therefore, they are suitable for field implementation to more closely examine various soil properties on the spot. The purpose of this study was to evaluate two portable spectrophotometers to predict key soil properties such as texture and soil organic carbon (SOC) in 282 soil samples collected from proportional fields in four Canadian provinces. Of the two instruments, one was the first of its kind (prototype)

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4

Shenk, J. S., M. O. Westerhaus, and W. C. Templeton. "Calibration Transfer Between near Infrared Reflectance Spectrophotometers 1." Crop Science 25, no. 1 (1985): 159–61. http://dx.doi.org/10.2135/cropsci1985.0011183x002500010038x.

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5

Gomersall, C. D., P. L. Leung, T. Gin, et al. "A Comparison of the Hamamatsu NIRO 500 and the INVOS 3100 Near-Infrared Spectrophotometers." Anaesthesia and Intensive Care 26, no. 5 (1998): 548–57. http://dx.doi.org/10.1177/0310057x9802600512.

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Near-infrared spectroscopy is a technique used for non-invasive measurement of cerebral oxygenation and a number of commercial devices are currently available for use. We compared measurements of cerebral oxygenation made with two near-infrared spectrophotometers—the Somanetics Invos 3100 cerebral oximeter and the Hamamatsu NIRO-500 near-infrared spectrophotometer. Hypoxia was induced in six healthy male volunteers with and without occlusion of scalp blood flow. Oxygen saturation, end-tidal carbon dioxide tension, regional cerebral oxygen saturation, change in regional cerebral oxyhaemoglobin

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6

Næs, Tormod, and Tomas Isaksson. "Selection of Samples for Calibration in Near-Infrared Spectroscopy. Part I: General Principles Illustrated by Example." Applied Spectroscopy 43, no. 2 (1989): 328–35. http://dx.doi.org/10.1366/0003702894203129.

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General principles for the selection of samples in the calibration of near-infrared (NIR) spectrophotometers are discussed. The discussion ends with suggestions of alternative strategies, which are illustrated by examples.

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7

Bualek, S., P. Chingduang, P. Bunsawansong, O. Phaovibul, E. H. Korte, and B. Schrader. "Measurement of Infrared Rotatory Dispersion of Induced Cholesteric Phases by Computerized Dispersive Infrared Spectrophotometers." Applied Spectroscopy 40, no. 1 (1986): 109–11. http://dx.doi.org/10.1366/0003702864815628.

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8

Engelbrecht, J. A. A., and M. V. Kulkarni. "Variable-size wafer holder for infrared spectrophotometers (impurity concentration measurement)." Journal of Physics E: Scientific Instruments 20, no. 12 (1987): 1478–79. http://dx.doi.org/10.1088/0022-3735/20/12/010.

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9

Peshlov, Boyan N., Floyd E. Dowell, Francis A. Drummond, and Darrell W. Donahue. "Comparison of Three near Infrared Spectrophotometers for Infestation Detection in Wild Blueberries Using Multivariate Calibration Models." Journal of Near Infrared Spectroscopy 17, no. 4 (2009): 203–12. http://dx.doi.org/10.1255/jnirs.842.

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A near infrared (NIR) spectroscopy system for rapid, automated and non-destructive detection of insect infestation in blueberries is desirable to ensure high quality fruit for the fresh and processed markets. The selection of suitable instruments is the first step in system development. Three diode array spectrophotometers were evaluated based on technical specifications and capacity for larva detection in wild blueberries ( Vaccinium angustifolium) using discriminant partial least squares (PLS) regression models. These instruments, differing mainly in wavelength range and detector type, compr

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10

Foli, Letícia P., Maria C. Hespanhol, Kaíque A. M. L. Cruz, and Celio Pasquini. "Miniaturized Near-Infrared spectrophotometers in forensic analytical science − a critical review." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 315 (July 2024): 124297. http://dx.doi.org/10.1016/j.saa.2024.124297.

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11

Yang, Min J., and Paul W. Yang. "An IBM PC Based Computer Program for the Analysis of Infrared Spectra." Applied Spectroscopy 45, no. 10 (1991): 1739–45. http://dx.doi.org/10.1366/0003702914335337.

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A computerized infrared interpreter has been developed on an IBM personal computer (PC) running under the Microsoft disk operating system (DOS). Based on the original Merck Sharp & Dhome Research Laboratory Program for the Analysis of InfRared Spectra (PAIRS), this infrared interpreter, PC PAIRS+, is capable of analyzing infrared spectra measured from a wide variety of spectrophotometers. Modifications to PAIRS now allow the application of both artificial intelligence and library searching techniques in the program. A new algorithm has been devised to combine the results from the library s

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12

Monarumit, N., T. Lhuaamporn, D. Schwarz, P. Wathanakul, and W. Wongkokua. "An application of polychromatic UV-Vis-NIR spectroscopy on detection of beryllium treatment in ruby and yellow sapphire." Journal of Physics: Conference Series 2653, no. 1 (2023): 012011. http://dx.doi.org/10.1088/1742-6596/2653/1/012011.

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Abstract The ultraviolet-visible-near infrared (UV-Vis-NIR) spectroscopy has been essentially used to characterize gem materials and their treatments. The spectrophotometer was designed using a diffraction grating to provide the monochromatic light from a tungsten lamp in analyzing a sample. The signal is recorded by a photodiode, resulting in a characteristic spectrum of a gemstone sample. While the monochromatic UV-Vis-NIR spectrophotometer is used for characterizing treated ruby and yellow sapphire samples; however, some indicative characteristic absorptions could be missing. The technique

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13

Kaur, Harpreet, Rainer Künnemeyer, and Andrew McGlone. "Comparison of hand-held near infrared spectrophotometers for fruit dry matter assessment." Journal of Near Infrared Spectroscopy 25, no. 4 (2017): 267–77. http://dx.doi.org/10.1177/0967033517725530.

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Comparisons are reported for developing predictive models for dry matter across a wide variety of fruits with near infrared spectroscopy instrumentation, using a number of commercially available hand-held portable instruments (NIRVANA by Integrated Spectronics, F-750 by Felix Instruments, H-100C by Sunforest and SCiO by Consumer Physics) and an in-house laboratory based instrument (Benchtop). Three intrinsic (same fruit type) and combined (all fruit types) data sets were created from two separate batches of fruit populations. The first batch (Lot I) consisted of 205 ripe fruits from three diff

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14

Barabás, B. "A Simple Testing Procedure for near Infrared Instruments." Journal of Near Infrared Spectroscopy 6, A (1998): A163—A170. http://dx.doi.org/10.1255/jnirs.188.

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The testing and adjusting procedure of near infrared (NIR) spectrophotometers is based on the measurement of some standards and, if necessary, on the adjustment of the constants in the calibration equation. For this work some use few standards, whereas others use 20 or more. This work was aimed to determine the range of error compensation and the minimum number of standards required. The experiments were applied to wheat protein measurement using two scanning spectrophotometers. The errors in the NIR measurements were characterised as bias, skew, error derived from skew ( Eskew) and standard e

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15

Nur, Arfiani, Hajrah Hajrah, Asriani Ilyas, Aisyah Aisyah, and Maria Cecilia Lezama Escalante. "Determination and Characterization of Lycopene Compounds from N-Hexane Fraction of Tomato Fruit (Solanum Lycopersocum Grandyfolium) by using Fourier Transform Infrared and UV-Vis Spectrophotometry." Walisongo Journal of Chemistry 5, no. 1 (2022): 75–82. http://dx.doi.org/10.21580/wjc.v5i1.10885.

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Determination and characterization of the lycopene content of the n-hexane fraction from potato-leaved tomato (Solanum lycopersicum grandyfolium) using Fourier transform infrared (FTIR) spectrophotometry and UV-Vis spectrophotometry. This study aims to determine the levels and characterization of lycopene compounds from potato-leaved tomato fruit using FTIR and UV-Vis spectrophotometers. The methods in this research include maceration, liquid-liquid extraction, crystallization with antisolvent, chromatography with three eluent systems, identification of lycopene compounds, and characterization

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16

Yoshitani, Kenji, Masahiko Kawaguchi, Kazuyuki Tatsumi, Katsuyasu Kitaguchi, and Hitoshi Furuya. "A Comparison of the INVOS 4100 and the NIRO 300 Near-Infrared Spectrophotometers." Anesthesia & Analgesia 94, no. 3 (2002): 586–90. http://dx.doi.org/10.1097/00000539-200203000-00020.

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17

Funk, D. B. "New Methods for Wavelength Standardisation for near Infrared Spectrophotometers. Part 1. Review of Current Standardisation Methodology." Journal of Near Infrared Spectroscopy 4, no. 1 (1996): 101–6. http://dx.doi.org/10.1255/jnirs.80.

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The role of standardisation in near infrared spectroscopy applications is explored. Different methods for achieving consistency among instruments are described, along with the strengths and weaknesses of each. Wavelength axis standardisation is identified as a particularly challenging problem.

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18

COLIER, W. N. J. M., N. J. C. W. HAAREN, and B. OESEBURG. "A comparative study of two near infrared spectrophotometers for the assessment of cerebral haemodynamics." Acta Anaesthesiologica Scandinavica 39 (September 1995): 101–5. http://dx.doi.org/10.1111/j.1399-6576.1995.tb04342.x.

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19

Andou, S., and Y. Morimoto. "A comparison of two different near-infrared spectrophotometers in pediatric and adult cardiac surgeries." European Journal of Anaesthesiology 29 (June 2012): 48. http://dx.doi.org/10.1097/00003643-201206001-00154.

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20

Kaplan, S. G., L. M. Hanssen, E. A. Early, M. E. Nadal, and D. Allen. "Comparison of near-infrared transmittance and reflectance measurements using dispersive and Fourier transform spectrophotometers." Metrologia 39, no. 2 (2002): 157–64. http://dx.doi.org/10.1088/0026-1394/39/2/5.

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21

McCrone, Walter C. "The Case for Polarized Light Microscopy." Microscopy Today 4, no. 7 (1996): 16–19. http://dx.doi.org/10.1017/s1551929500060971.

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I was one told by a Nobel Laureate in Chemistry that light microscopy was simply a service foundation. By this he meant to class the microscope with computers, gas chromatographs, infrared spectrophotometers, x-ray diffractometers, mass spectrometers, etc. With all due respect to this gentleman and to these other instruments, there is a vital difference between the polarized light microscopes (PLM) and each of these instruments. First, a trained microscopist requires far more training than a qualified operator of, and interpreter of data from these other instruments. Second, there is considera

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22

Song, Bohan. "The Application of On-Site Analysis and Detection Technologies in the Conservation and Restoration of Polychrome Cliff Carvings." Scientific and Social Research 7, no. 6 (2025): 275–82. https://doi.org/10.26689/ssr.v7i6.11120.

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Scientific analysis and testing of cultural relics are often carried out during the design phase prior to restoration, serving as the foundation for subsequent conservation treatment. Given the diversity and complexity of cultural relics, uncertainties are often present at all stages of conservation and restoration, making on-site analysis and testing at the conservation site highly significant for guiding protection and treatment. This paper, focusing on on-site conservation work for polychrome cliff carvings, discusses the application scenarios of several relatively simple and practical anal

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23

Angeletti da Fonseca, Aymbiré, Celio Pasquini, Daniela Cristina Costa, and Emanuelle Mercês Barros Soares. "Effect of the sample measurement representativeness on soil carbon determination using near-infrared compact spectrophotometers." Geoderma 409 (March 2022): 115636. http://dx.doi.org/10.1016/j.geoderma.2021.115636.

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24

Pasquini, Celio, and Maria C. Hespanhol. "A rotational-linear sample probing device to improve the performance of compact near-infrared spectrophotometers." Microchemical Journal 170 (November 2021): 106747. http://dx.doi.org/10.1016/j.microc.2021.106747.

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25

Fleming, Paddy. "Transmittance ratio spectrometry as a stray radiant energy test method for ratio-recording infrared spectrophotometers." Analyst 115, no. 12 (1990): 1577. http://dx.doi.org/10.1039/an9901501577.

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26

Williams, P. C., and V. P. Krischenko. "A Comparative Study of Two Computerized Spectrophotometers for the Near-Infrared Analysis of Wheat for Protein." Applied Spectroscopy 40, no. 6 (1986): 785–90. http://dx.doi.org/10.1366/0003702864508205.

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Samples of hard red spring (HRS) wheat were compared on two computerized spectrophotometers of the same type, the Model 6350 Research Composition Analyzer. One of the instruments was located at the All Union Institute for Agrochemical Services, Moscow, U.S.S.R., the other at the Grain Research Laboratory, Winnipeg, Canada. Spectra, and analytical accuracy and precision, were compared on the two systems. While bands from the Moscow instrument appeared slightly sharper than its Winnipeg counterpart, log 1/ R signals from the two instruments were highly correlated for individual samples at all wa

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27

Macnab, A. J., and R. E. Gagnon. "Phantom testing of two clinical spatially-resolved NIRS instruments." Spectroscopy 19, no. 3 (2005): 165–69. http://dx.doi.org/10.1155/2005/571518.

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We used a living biological phantom to evaluate whether previously observed clinical differences in data collection between two similar near infrared spectrophotometers were due to technical design differences. A Somanetics INVOS-5100 was compared to a Hamamatsu NIRO-300. Both express the ratio of oxygenated hemoglobin to total hemoglobin concentration as a percentage, and both are intended for monitoring cerebral oxygenation status at the bedside. The living phantom simulated different bone densities and contained a low haematocrit solution of blood, intra-lipid, and saline, to which was adde

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28

Zhao, Xin, Shi Fu Zhu, and Yong Qiang Sun. "Growth of ZnGeP₂ Single Crystal by Three-Temperature-Zone Furnace." Advanced Materials Research 179-180 (January 2011): 945–48. http://dx.doi.org/10.4028/www.scientific.net/amr.179-180.945.

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In order to meet the requirements of growing high-quality ZnGeP2, a crystal growth furnace with three-temperature-zone was designed and fabricated based on a conventional vertical two-zone tubular resistance furnace. Appropriate temperature gradients of 12~15°C/cm at the growth interface and stable thermal profile were obtained. A crack-free ZnGeP2 single crystal with size of Φ15mm×30mm was grown successfully in the furnace mentioned above. The as-grown crystal was characterized by X-ray diffraction (XRD) and Infrared (IR) spectrophotometers. It is found that there is a cleavage face of (101)

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29

Paiva, Eduardo Maia, Rafael Luis Ribessi, and Jarbas José Rodrigues Rohwedder. "Near-infrared spectra of liquid and gas samples by diffuse reflectance employing benchtop and handheld spectrophotometers." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 264 (January 2022): 120302. http://dx.doi.org/10.1016/j.saa.2021.120302.

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30

Knadel, Maria, Bo Stenberg, Fan Deng, Anton Thomsen, and Mogens Humlekrog Greve. "Comparing Predictive Abilities of Three Visible-Near Infrared Spectrophotometers for Soil Organic Carbon and Clay Determination." Journal of Near Infrared Spectroscopy 21, no. 1 (2013): 67–80. http://dx.doi.org/10.1255/jnirs.1035.

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31

Mauro, Roberto, and Giacomo Scarascia-Mugnozza. "Experimental Tests on Solvent Solutions for the Recycling of Coated Polypropylene in Food Packaging." Applied Sciences 13, no. 12 (2023): 7116. http://dx.doi.org/10.3390/app13127116.

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The aim of this research is to analyze and develop technical methods that allow the recycling of food packaging coated in polypropylene films using solvents for the removal of the lacquer and/or aluminum layer without modifying their mechanical properties. Thus, this would allow the regranulation and re-extraction of the treated material for the creation of new polypropylene films. Water solutions of KOH 1M and methanol 99.9% were tested as solvents using the selective dissolution method. In order to rule out a significant effect of the mechanical stirring action on the removal of the surface

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32

Power, Aoife, Vi Khanh Truong, James Chapman, and Daniel Cozzolino. "From the Laboratory to The Vineyard—Evolution of The Measurement of Grape Composition using NIR Spectroscopy towards High-Throughput Analysis." High-Throughput 8, no. 4 (2019): 21. http://dx.doi.org/10.3390/ht8040021.

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Compared to traditional laboratory methods, spectroscopic techniques (e.g., near infrared, hyperspectral imaging) provide analysts with an innovative and improved understanding of complex issues by determining several chemical compounds and metabolites at once, allowing for the collection of the sample “fingerprint”. These techniques have the potential to deliver high-throughput options for the analysis of the chemical composition of grapes in the laboratory, the vineyard and before or during harvest, to provide better insights of the chemistry, nutrition and physiology of grapes. Faster compu

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33

Adams, Michael C., and David M. Barbano. "A novel statistical approach to detect differences in fat and protein test values among mid-infrared spectrophotometers." Journal of Dairy Science 98, no. 6 (2015): 4174–81. http://dx.doi.org/10.3168/jds.2014-8776.

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34

McCaig, T. N. "Extending the use of visible/near-infrared reflectance spectrophotometers to measure colour of food and agricultural products." Food Research International 35, no. 8 (2002): 731–36. http://dx.doi.org/10.1016/s0963-9969(02)00068-6.

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35

Daoud, Samar, Elias Bou-Maroun, Gustav Waschatko, et al. "Detection of Lipid Oxidation in Infant Formulas: Application of Infrared Spectroscopy to Complex Food Systems." Foods 9, no. 10 (2020): 1432. http://dx.doi.org/10.3390/foods9101432.

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Fish- or algal oils have become a common component of infant formula products for their high docosahexaenoic acid (DHA) content. DHA is widely recognized to contribute to the normal development of the infant, and the European Commission recently regulated the DHA content in infant formulas. For many manufacturers of first-age early life nutrition products, a higher inclusion level of DHA poses various challenges. Long-chain polyunsaturated fatty acids (LC-PUFAs) such as DHA are very prone to oxidation, which can alter the organoleptic property and nutritional value of the final product. Tradit

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36

McKeating, E. G., J. R. Monjardino, D. F. Signorini, M. J. Souter, and P. J. D. Andrews. "A comparison of the Invos 3100 and the Critikon 2020 near‐infrared spectrophotometers as monitors of cerebral oxygenation." Anaesthesia 52, no. 2 (1997): 136–40. http://dx.doi.org/10.1111/j.1365-2044.1997.18-az015.x.

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37

Thavasothy, M., M. Broadhead, C. Elwell, M. Peters, and M. Smith. "A comparison of cerebral oxygenation as measured by the NIRO 300 and the INVOS 5100 Near-Infrared Spectrophotometers." Anaesthesia 57, no. 10 (2002): 999–1006. http://dx.doi.org/10.1046/j.1365-2044.2002.02826.x.

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38

Reboulet, James, Robert Cunningham, Palur G. Gunasekar, Gail D. Chapman, and Sean C. Stevens. "Loop System for Creating Jet Fuel Vapor Standards Used in the Calibration of Infrared Spectrophotometers and Gas Chromatographs." Toxicology Mechanisms and Methods 19, no. 2 (2009): 123–28. http://dx.doi.org/10.1080/15376510802305054.

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39

Zheng, Xiaochun, Hao Zhang, Haoming Jiang, et al. "Controllable Functionalization of Carbon Dots as Selective and Sensitive Fluorescent Probes for Sensing Cu(II) Ions." Crystals 15, no. 3 (2025): 205. https://doi.org/10.3390/cryst15030205.

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Carbon dots (CDs) are efficient fluorescent probes for metal ion detection due to their high sensitivity, nontoxicity and stability, but their rich functional groups lead to simultaneous responses to multiple ions. So, how to realize highly selective detection for specific ions is still a challenging task. In this work, “bare CDs” were synthesized using the electrochemical stripping method, followed by grafting with hydroxyl and carboxyl groups following the hydrothermal method with boric acid. Transmission electron microscopy, an X-ray diffractometer, Fourier transform infrared spectroscopy,

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40

Torres, Irina, María-Teresa Sánchez, Miguel Vega-Castellote, and Dolores Pérez-Marín. "Fraud Detection in Batches of Sweet Almonds by Portable Near-Infrared Spectral Devices." Foods 10, no. 6 (2021): 1221. http://dx.doi.org/10.3390/foods10061221.

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One of the key challenges for the almond industry is how to detect the presence of bitter almonds in commercial batches of sweet almonds. The main aim of this research is to assess the potential of near-infrared spectroscopy (NIRS) by means of using portable instruments in the industry to detect batches of sweet almonds which have been adulterated with bitter almonds. To achieve this, sweet almonds and non-sweet almonds (bitter almonds and mixtures of sweet almonds with different percentages (from 5% to 20%) of bitter almonds) were analysed using a new generation of portable spectrophotometers

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41

Kishi, Katsuyoshi, Masahiko Kawaguchi, Kenji Yoshitani, Toshihiro Nagahata, and Hitoshi Furuya. "Influence of Patient Variables and Sensor Location on Regional Cerebral Oxygen Saturation Measured by INVOS 4100 Near-Infrared Spectrophotometers." Journal of Neurosurgical Anesthesiology 15, no. 4 (2003): 302–6. http://dx.doi.org/10.1097/00008506-200310000-00002.

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42

Kazeminy, Assad, Saeed Hashemi, Roger L. Williams, Gary E. Ritchie, Ronald Rubinovitz, and Sumit Sen. "A Comparison of near Infrared Method Development Approaches Using a Drug Product on Different Spectrophotometers and Chemometric Software Algorithms." Journal of Near Infrared Spectroscopy 17, no. 5 (2009): 233–44. http://dx.doi.org/10.1255/jnirs.854.

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It is well known that spectral variability in near infrared (NIR) spectroscopy can be attributed to the analyst, sample, sample positioning, instrument configuration and software (in both algorithm formats and structures used as well as in the execution of data pre-treatment and analysis). It is often acknowledged that the single largest factor impacting NIR results is sample presentation. However, what is obvious but not often acknowledged is that there are instrumental and software differences as well. These differences, evident in the quality of the spectra, may impact the chemometrics that

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43

Gagnon, R. E., and A. J. Macnab. "Near Infrared Spectroscopy (NIRS) in the clinical setting – An adjunct to monitoring during diagnosis and treatment." Spectroscopy 19, no. 5,6 (2005): 221–33. http://dx.doi.org/10.1155/2005/951895.

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Since clinical near infrared spectrophotometers (NIRS) first became commercially available in the early 1990's there have been more than two thousand related peer reviewed reports in the medical literature. These encompass a wide range of human and animal trials that have been directed at validating the principles, methods, and algorithms underlying the technology, as well as demonstrating its potential for specific clinical uses such as detecting concealed bleeding, onset of hypoxia, progress of ischemia, and tissue oxygenation status within human brain, muscles, organs, and tumours. In addit

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44

Kumalasari, Meiyanti Ratna, Siti Unvaresi Misonia Beladona, Amanda Natania Gracia, et al. "Rice Husk Ash: A Promising Heavy Metal Adsorbent For Wastewater Treatment." Walisongo Journal of Chemistry 7, no. 1 (2024): 26–36. https://doi.org/10.21580/wjc.v7i1.18852.

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The primary polluter of the environment is liquid waste. Silica is one substance that can be utilized to minimize water pollution. Silica can be produced from agricultural biomass waste, such as rice husk ash. This study investigated the preparation of rice husk ash and the optimal synthesis method for producing bio-silica. A literature review of studies on rice husk ash, heavy metals, and adsorbents was conducted. The findings indicated that boiling rice husk at 800°C and washing with HCl produced high-purity silica. XRD (X-ray diffraction), FT-IR (Fourier transform infrared) spectrophotomete

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45

Abdullah, Hind W., Tahseen H. Mubarak, and Kadhim K. Resan. "Graphene Oxide Nano-Sheets: A Novel Eco-Friendly Approach for Tissue Engineering and Antibacterial Applications in Bone Disease." Science and Technology Indonesia 9, no. 4 (2024): 806–17. http://dx.doi.org/10.26554/sti.2024.9.4.806-817.

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Obtaining novel scaffolds on bone disease-affected cells with osteoconductivity has recently been the focus of tissue engineering methodologies. Chemical treatment and microwave radiation form a novel strategy to create graphene oxide nanosheets (Gns) that decorate carbon crystal structures. This approach is proven to be eco-friendly. Gns was characterized using "X-ray diffraction, ultraviolet, and Fourier transform infrared spectrophotometers". The XRD spectra confirmed the crystalline structure of Gns. The Gns product was analyzed using "Raman spectroscopy. Transmission electron microscopy a

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46

Belwal, Savita, Sujana Kariveda, and Saritha Ramagiri. "Synthesis, Characterization and Antituberculosis Activity of Biologically Nanostructured Zinc and Titanium Metal Compounds." Asian Journal of Chemistry 32, no. 6 (2020): 1286–90. http://dx.doi.org/10.14233/ajchem.2020.22364.

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Green chemistry was used to obtain nano-range sized titanium and zinc compounds from their macro-sizes by using an aqueous extract of horse gram (Macrotyloma uniflorum). Ultraviolet-visible (UV-vis) and Fourier-transform infrared (FTIR) spectrophotometers were employed for characterizing the nanoparticles of biosynthesized metal nanoparticles. Transmission electron microscopy (TEM) was used to analyse the reduced nanoparticles of Ti and Zn metals. Microdilution was employed to determine in vitro properties, such as effects of nanocomplex antimicrobials on Mycobacterium tuberculosis (MTB) H37RV

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Ahmed, Azza El-Sayed, Ikram Hassouna Guizani, Abeer Serag El-Deen, and Salwa Said Ahmed. "Optical Properties and Structural Behavior of Antimony Borate Glass." Journal of Computational and Theoretical Nanoscience 17, no. 11 (2020): 4885–89. http://dx.doi.org/10.1166/jctn.2020.9629.

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Structural and optic consistent of the amorphous system of concentrations (65-x)B2O3-xSb2O3-10 ZnO-25 Na2O (x = 0, 5, 10, 15, 20 mol%) were carried out using X-ray diffraction (XRD) examination, optical absorption spectrum (Ultra-violet) spectrophotometers UV and Fourier-transform infrared spectroscopy (FTIR) analysis. XRD pattern revealed the non-crystalline nature of investigated samples at different concentrations. Also, the optical band gap was evaluated at different concentrations. Results revealed that band gap values increase by increasing antimony concentration from (3.1–3.45) eV. From

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Wibowo, N. A., S. M. Utami, C. A. Riyanto, and A. Setiawan. "Impact of Magnetic Field Strengthening on Combustion Performance of Low-Octane Fuel in Two-Stroke Engine." Jurnal Pendidikan Fisika Indonesia 16, no. 1 (2020): 57–62. http://dx.doi.org/10.15294/jpfi.v16i1.17491.

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The impacts of strengthening magnetic field exposure on combustion performance of low-octane fuel have been examined experimentally. The combustion test was carried out using a 2-stroke 49 cc engine where the fuel was magnetized using a low magnetic field (<2 kG). Moreover, the molecular behavior of magnetized fuel was also characterized through spectrum tests using NIR and UV-Vis spectrophotometers. The result of this study indicates an exponential decrease of magnetized fuel consumption against the strengthening of magnetic field exposure. This exponential decrease of consumption can be r

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Zhao, Xin, Ying Rong Jin, and Xing Hua Zhu. "Polycrystal Synthesis and Single Crystal Growth of PbI₂." Applied Mechanics and Materials 26-28 (June 2010): 720–23. http://dx.doi.org/10.4028/www.scientific.net/amm.26-28.720.

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High-pure and single-phase PbI2 polycrystal was synthesized by Pb and I elements (99.9999%) according to the stoichiometry of PbI2 with excess of 0.3% Pb through modified two-zone vapor-transporting method (MTVM). The synthesis reaction was carried in a special quartz ampoule to prevent the ampoule exploding by controlling the temperature. With presynthesized polycrystal, an integral PbI2 single crystal with 15 mm in diameter and 25 mm in length was grown by vertical Bridgman method (VBM). The as-grown crystal was characterized by X-ray diffraction (XRD), ZC36 megger and Infrared (IR) spectrop

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Prasad, Akepogu, Mallavarapu Umamahesh, Gopiredddy Venkata Subba Reddy, Seetha Jaswanth, Gollapudi Venkata Ramanamurthy, and Duddela Varaprasad. "Green Synthesis of Antibacterial Cotton Nanocomposites with In Situ Generation of Copper Nanoparticles Using Senna auriculata Leaf Extract as Reductant." Advanced Science, Engineering and Medicine 12, no. 5 (2020): 672–79. http://dx.doi.org/10.1166/asem.2020.2572.

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Copper nanoparticles (CuNPs) were bio synthesized instantaneously in nanocomposite cotton fabrics (NCFs), utilizing aqueous Senna auriculata (SA) plant leaves solution as reductant. These NCFs with in situ generation of CuNPs were analyzed with different spectrophotometers such as Scanning Electron Microscope (SEM) combined with electron dispersive X-ray (EDX), Fourier transform infrared (FTIR), Thermogravimetric and Derivative thermogravimetric analysis (TGA and DTA), X-ray diffractometer (XRD) and Differential scanning calorimeter (DSC). The formed CuNPs were tested for their antibacterial a

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