Academic literature on the topic 'Infrared spectra and biochemical compounds'

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Journal articles on the topic "Infrared spectra and biochemical compounds"

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Ibrahim, Mohammed, and James R. Kincaid. "Spectroscopic studies of peroxo/hydroperoxo derivatives of heme proteins and model compounds." Journal of Porphyrins and Phthalocyanines 08, no. 03 (2004): 215–25. http://dx.doi.org/10.1142/s1088424604000209.

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The spectroscopic characterization of peroxo- and hydroperoxo- intermediates of heme proteins and enzymes has long interested scientists studying the structure and function of these important biochemical systems. Until very recently, little progress had been made in studying these fleeting intermediates by vibrational spectroscopic methods. In this brief review, recent studies reporting the Resonance Raman and Infrared spectra of such intermediates and pertinent model compounds are reviewed and compared to corresponding studies utilizing electronic absorption and electron paramagnetic resonanc
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Lorin–Latxague, Chrystelle, and Anne–Marie Melin. "Radical induced damage ofMicrococcus luteusbacteria monitored using FT‒IR spectroscopy." Spectroscopy 19, no. 1 (2005): 17–26. http://dx.doi.org/10.1155/2005/386404.

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Oxidative damage induced by ascorbic acid (AA) and hydrogen peroxide (H2O2) was monitored by Fourier transform infrared spectroscopy (FT‒IR); it appeared as a rapid and convenient means to follow the biochemical changes generated in the culture media of the yellow-pigmentedMicrococcus luteus. Beyond a threshold of 20 mM for AA and of 40 mM for H2O2(final concentration), antioxidant systems were overwhelmed and significant changes were observed in the bacterial spectra, particularly in the 1430–900 cm−1region; this spectral window provided large information about carboxylate groups, phosphate-c
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Ksenofontova, Ksenia V. N., Alexander A. Ksenofontov, Ilya A. Khodov, and Evgeniy V. N. Rumyantsev. "SYNTHESIS AND STUDY OF SPECTRAL PROPERTIES OF AMINO ACIDS – BODIPY CONJUGATES." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 63, no. 5 (2020): 4–11. http://dx.doi.org/10.6060/ivkkt.20206305.6101.

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The present work describes direct one-pot synthesis of the two novel amino acids – boron-dipyrromethene (BODIPY) conjugates with histidine and tyrosine residues bound to fluorophore via amino group. The synthesized compounds were fully characterized by means of 1H and 11B nuclear magnetic resonance spectroscopy, infrared spectroscopy, time-of-flight mass spectrometry with matrix-activated laser desorption / ionization. All the data are in accordance with the proposed structures. The amino acids – BODIPY conjugates under study were investigated by means of absorbance and fluorescence spectrosco
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Saleh, Basel. "Biochemical Diversity of Salvia (Lamiaceae) Species." Journal of Agroalimentary Processes and Technologies 2024 (30), no. 4 (2025): 415–22. https://doi.org/10.59463/japt.2024.2.42.

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Fourier transform infrared (FTIR) spectroscopy is one of few analytical methods used successfully in many laboratories worldwide, for huge applications in research and industrial purposes. Chemical composition of 10 Salvia species including S. judaica Boiss (S1), S. viridis var. horminum L. (S2), S. officinalis L. (S3), S. palaestina Bentham (S4), S. syriaca L. (S5), S. pinardi Boiss (S6), S. lanigera Poiret (S7), S. ceratophylla L. (S8), S. dominica L. (S9) and S. spinosa L. (S10) was analyzed using FTIR spectroscopy. FTIR spectra analysis revealed 10, 11, 12, 11, 10, 9, 12, 8, 8 and 12 obser
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Mazurek, Sylwester, Maciej Włodarczyk, Sonia Pielorz, et al. "Quantification of Salicylates and Flavonoids in Poplar Bark and Leaves Based on IR, NIR, and Raman Spectra." Molecules 27, no. 12 (2022): 3954. http://dx.doi.org/10.3390/molecules27123954.

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Poplar bark and leaves can be an attractive source of salicylates and other biologically active compounds used in medicine. However, the biochemical variability of poplar material requires a standardization prior to processing. The official analytical protocols used in the pharmaceutical industry rely on the extraction of active compounds, which makes their determination long and costly. An analysis of plant materials in their native state can be performed using vibrational spectroscopy. This paper presents for the first time a comparison of diffuse reflectance in the near- and mid-infrared re
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Gaus, Alvan, Cecil Stushnoff, and Ann McSay. "Identification of Apple Rootstocks by Fourier Transform Infrared Spectroscopy." HortScience 31, no. 4 (1996): 619e—619. http://dx.doi.org/10.21273/hortsci.31.4.619e.

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Proper identification of apple rootstocks has always been a problem for nurseries and fruit growers. There needs to be a rapid, inexpensive, and repeatable protocol for identification of apple rootstocks. Fourier transform infrared spectroscopy (FTIR), an analytical chemical technique based on infrared laser characterization of molecular bonding energies for biochemical compounds, such as proteins, may provide an answer. Several rootstocks from the 1984 NC-140 apple rootstock trial were compared. Using a BioRad research spectrometer, spectra derived from 1000 scans per freeze dried sample were
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MACHANA, Kwanchayanawish, Amonrat KANOKRUNG, Sirinart SRICHAN, Boonyadist VONGSAK, Maliwan KUTAKO, and Ekarin SIAFHA. "Monitoring of Biochemical Compounds and Fatty Acid in Marine Microalgae from the East Coast of Thailand." Walailak Journal of Science and Technology (WJST) 17, no. 4 (2018): 334–47. http://dx.doi.org/10.48048/wjst.2020.4645.

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Determinations of fatty acid profiles of five microalgae; Amphora sp., Chaetoceros sp., Melosira sp., Bellerochae sp., and Lithodesmium sp., from the east coast of Thailand were evaluated by conventional Gas Chromatography-Flame Ionization Detector (GC-FID). The results exhibited that the fatty acids suitable for biodiesel production were the most frequent entities encountered in all microalgae profiles. The GC chromatogram of fatty acid profiles in microalgae showed that both Amphora sp. and Chaetoceros sp. comprised essential omega-3 fatty acids, eicosapentaenoic acid (EPA), and docosahexaen
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Johnson, Helen E., David Broadhurst, Douglas B. Kell, Michael K. Theodorou, Roger J. Merry, and Gareth W. Griffith. "High-Throughput Metabolic Fingerprinting of Legume Silage Fermentations via Fourier Transform Infrared Spectroscopy and Chemometrics." Applied and Environmental Microbiology 70, no. 3 (2004): 1583–92. http://dx.doi.org/10.1128/aem.70.3.1583-1592.2004.

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ABSTRACT Silage quality is typically assessed by the measurement of several individual parameters, including pH, lactic acid, acetic acid, bacterial numbers, and protein content. The objective of this study was to use a holistic metabolic fingerprinting approach, combining a high-throughput microtiter plate-based fermentation system with Fourier transform infrared (FT-IR) spectroscopy, to obtain a snapshot of the sample metabolome (typically low-molecular-weight compounds) at a given time. The aim was to study the dynamics of red clover or grass silage fermentations in response to various inoc
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Santos-Rivera, Mariana, Amelia R. Woolums, Merrilee Thoresen, Florencia Meyer, and Carrie K. Vance. "Bovine Respiratory Syncytial Virus (BRSV) Infection Detected in Exhaled Breath Condensate of Dairy Calves by Near-Infrared Aquaphotomics." Molecules 27, no. 2 (2022): 549. http://dx.doi.org/10.3390/molecules27020549.

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Bovine respiratory syncytial virus (BRSV) is a major contributor to respiratory disease in cattle worldwide. Traditionally, BRSV infection is detected based on non-specific clinical signs, followed by reverse transcriptase-polymerase chain reaction (RT-PCR), the results of which can take days to obtain. Near-infrared aquaphotomics evaluation based on biochemical information from biofluids has the potential to support the rapid identification of BRSV infection in the field. This study evaluated NIR spectra (n = 240) of exhaled breath condensate (EBC) from dairy calves (n = 5) undergoing a contr
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Khan, Ishan Ullah, Widhi Dubey, and Vedprakash Gupta. "Preponderance of Bioactive Medicinal Compounds and ATR-FTIR Spectroscopy of Coriander and Mustard Floral Honey from Apis mellifera." Indonesian Journal of Chemistry 17, no. 3 (2017): 376. http://dx.doi.org/10.22146/ijc.23236.

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The physicochemical, total phenolics, flavonoids, and antioxidant activity were evaluated for biochemical characterization of coriander and mustard floral honey. The total phenolics, flavonoids and antioxidant activity were analyzed using UV-VIS spectrophotometer. Fourier transform infrared spectroscopy (FT-IR) was used to evaluate the chemical characteristic of coriander and mustard floral honey. The total phenolics content was ranged from 294 to 462 mg gallic acid equivalent kg-1 of honey. The total flavonoid content was ranged from 43 to 53 mg quercetin equivalent kg-1 of honey. Antioxidant
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Dissertations / Theses on the topic "Infrared spectra and biochemical compounds"

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Brookes, Matthew Daniel. "High resolution infrared spectroscopy of jet-cooled molecules." Thesis, University of Oxford, 1995. http://ora.ox.ac.uk/objects/uuid:81958380-6230-454d-bb44-bfb57d887749.

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The development and implementation of a high resolution, direct absorption, rapidscanning infrared diode laser spectrometer incorporating a supersonic jet expansion source is described. High sensitivity is achieved by directly modulating absorption signals at frequencies in excess of 50 kHz, enabling their separation from lower frequency mechanical and diode 1/f noise. This is accomplished by rapidly scanning the diode laser across a small frequency window (~0.5-1.5cm<sup>-1</sup>) synchronously with a pulsed supersonic expansion in a time period of 1 or 2 ms. Absorptions appear as small atten
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Lyne, Michael Peter. "High resolution spectroscopy of aminoborane and niobium nitride." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26442.

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The infrared spectrum of aminoborane (NH₂BH₂) was recorded by a Fourier transform interferometer and the 1550-1750 cm⁻¹ region of the spectrum was rotationally analyzed by a new search/match algorithm based on ground state combination differences. Sub-bands from four separate vibrational bands were discovered in this region. The interaction scheme was deduced to be a three-way anharmonic resonance between the V₃, V₇ + VB, and 2v₆ levels with the fourth level, V₆ + V₁₂ induced by a Coriolis mechanism with the members of the triad. The first order anharmonic constants were approximated by a leas
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Hardaway, Harvey Royston. "Spectroscopic studies of InAs/InAsSb heterostructure light-emitting diodes for the mid-infrared region." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322199.

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Sun, Xue-Zhong. "Fast infrared spectroscopy in supercritical fluids." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311743.

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Pan, Chunhua Durig James R. "Raman and infrared spectra, conformational stability, normal coordinate analysis, vibrational assignment and ab initio calculations of some silicon or germanium containing compounds." Diss., UMK access, 2005.

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Thesis (Ph. D.)--Dept. of Chemistry and School of Computing and Engineering. University of Missouri--Kansas City, 2005.<br>"A dissertation in chemistry and computer networking." Advisor: James R. Durig. Typescript. Vita. Description based on contents viewed Nov. 21, 2007; title from "catalog record" of the print edition. Includes bibliographical references (leaves 415-424). Online version of the print edition.
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Sano, Mitsuru, Takashi Hibino, Atsuko Tomita, Pilwon Heo, Toshio Kamiya, and Masahiro Nagao. "Proton Conduction in In^3 + -Doped SnP2O7 at Intermediate Temperatures." The Electrochemical Society, 2006. http://hdl.handle.net/2237/18425.

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Zheng, Chao Durig James R. "Conformational stability from temperature-dependent infrared spectra of noble gas solutions, normal coordinate analyses, adjusted r₀ structural parameters and barrier to internal rotation of some substituted amine, hydrazine and three-membered ring compounds." Diss., UMK access, 2006.

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Thesis (Ph. D.)--Dept. of Chemistry and Dept. of Physics. University of Missouri--Kansas City, 2006.<br>"A dissertation in chemistry and physics." Advisor: James R. Durig. Typescript. Vita. Description based on contents viewed Jan. 29, 2007; title from "catalog record" of the print edition. Includes bibliographical references (leaves 447-460). Online version of the print edition.
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Smith, Fiona Elizabeth. "Observation of the infrared spectrum of the doubly charged molecular ion D'3'7Cl'2'+." Thesis, University of Newcastle Upon Tyne, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323488.

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Clowes, Steven Kenneth. "Experimental studies of surface-adsorbate interactions and surface magnetism." Thesis, University of York, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323531.

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Chen, Ping. "Intermediate phases, boson and floppy modes, and demixing of network structures of binary As-S and As-Se glasses." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1250689099.

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Books on the topic "Infrared spectra and biochemical compounds"

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Laboratories, Sadtler Research, ed. The Infrared spectra handbook of intermediates. Sadtler, 1987.

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Nakamoto, Kazuo. Infrared and Raman spectra of inorganic and coordination compounds. 6th ed. Wiley, 2009.

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R, Shagidullin R., Pudovik A. N, and Institut organicheskǒi i fizicheskǒi khimii im. A. E. Arbuzova., eds. Atlas of IR spectra of organophosphorus compounds: Interpreted spectrograms. NAUKA Publishers, 1990.

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Dillon, James G. Infrared spectroscopic atlas of polyurethanes (including model compounds). Technomic Pub. Co., 1989.

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Nakamoto, Kazuo. Infrared and Raman spectra of inorganic and coordination compounds. 6th ed. Wiley, 2009.

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Nakamoto, Kazuo. Infrared and Raman spectra of inorganic and coordination compounds. 6th ed. Wiley, 2009.

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Nakamoto, Kazuo. Infrared and Raman spectra of inorganic and coordination compounds. 6th ed. Wiley, 2009.

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Nakamoto, Kazuo. Infrared and Raman spectra of inorganic and coordination compounds. 6th ed. Wiley-Blackwell, 2008.

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Nyquist, Richard A. The infrared spectra building blocks of polymers. Sadtler Research Laboratories, 1989.

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Chukanov, Nikita V., and Marina F. Vigasina. Vibrational (Infrared and Raman) Spectra of Minerals and Related Compounds. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-26803-9.

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Book chapters on the topic "Infrared spectra and biochemical compounds"

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Strauch, D. "InN: Raman spectra, infrared spectra." In New Data and Updates for IV-IV, III-V, II-VI and I-VII Compounds, their Mixed Crystals and Diluted Magnetic Semiconductors. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-14148-5_273.

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Acheson, R. M. "The Infrared Spectra of Acridines." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470186596.ch12.

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Zhbankov, Rostislav Georgievich. "Model Cellulose Compounds. Unmodified Celluloses." In Infrared Spectra of Cellulose and its Derivatives. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4899-2732-3_2.

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Shimanouchi, Takehiko, Masamichi Tsuboi, and Yoshimasa Kyogoku. "Infrared Spectra of Nucleic Acids and Related Compounds." In Advances in Chemical Physics. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470143537.ch12.

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Chukanov, Nikita V., and Marina F. Vigasina. "Raman Spectra of Minerals." In Vibrational (Infrared and Raman) Spectra of Minerals and Related Compounds. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-26803-9_4.

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Djordjevic, Cirila, Nikola Vuletic, Myunghi Lee Renslo, Bruce C. Puryear, and Ramin Alimard. "Peroxo heteroligand vanadates(V): Synthesis, spectra-structure relationships, and stability toward decomposition." In Vanadium Compounds: Biochemical and Therapeutic Applications. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4613-1251-2_3.

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Chukanov, Nikita V., and Alexandr D. Chervonnyi. "IR Spectra of Minerals and Related Compounds, and Reference Samples’ Data." In Infrared Spectroscopy of Minerals and Related Compounds. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-25349-7_2.

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Mayo, Dana W. "Characteristic Frequencies of Aromatic Compounds (Group Frequencies of Arenes)." In Course Notes on the Interpretation of Infrared and Raman Spectra. John Wiley & Sons, Inc., 2004. http://dx.doi.org/10.1002/0471690082.ch5.

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Chukanov, Nikita V., and Marina F. Vigasina. "IR Spectra of Minerals and Related Compounds, and Reference Samples Data." In Vibrational (Infrared and Raman) Spectra of Minerals and Related Compounds. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-26803-9_2.

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Chukanov, Nikita V., and Marina F. Vigasina. "Some Examples of the Use of IR Spectroscopy in Mineralogical Studies." In Vibrational (Infrared and Raman) Spectra of Minerals and Related Compounds. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-26803-9_1.

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Conference papers on the topic "Infrared spectra and biochemical compounds"

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Mehta, Narinder K., Vinod S. Agarwala, Airan Perez, and K. S. Rajan. "Fluorinated Schiff Base Compound as Corrosion Inhibitor for Steel." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95491.

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A study to evaluate wear and corrosion inhibition, and the mode of molecular bonding of a fluorinated schiff base compound (imine compounds), a condensation reaction product of 4-fluorobenzaldehyde and 4,4'-benzidine, onto AISI 1010 steel surface was undertaken to develop a new lubricant additive for greases. Physical vapor adsorption and chemisorption techniques were used for the deposition of schiff base on the metal surface. The schiff base was found to adhere best with the physical adsorption technique. It involved heating of freshly cleaned specimens suspended over schiff base in an all-g
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Castro, C., E. A. Dixon, N. Ibrahim, et al. "The Vibrational Spectra Of Selected Bicyclic Compounds." In 1985 International Conference on Fourier and Computerized Infrared Spectroscopy, edited by David G. Cameron and Jeannette G. Grasselli. SPIE, 1985. http://dx.doi.org/10.1117/12.970820.

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Mayfield, Howard T., DeLyle Eastwood, and Larry W. Burggraf. "Classification of infrared spectra of organophosphorus compounds with artificial neural networks." In Photonics East '99, edited by Khalid J. Siddiqui and DeLyle Eastwood. SPIE, 1999. http://dx.doi.org/10.1117/12.372886.

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Bel'skaya, L. "CORRELATION INTERCONNECTIONS OF BIOCHEMICAL COMPOSITION OF SALIVA AND CHARACTERISTICS OF INFRARED ABSORPTION SPECTRA." In XIV International Scientific Conference "System Analysis in Medicine". Far Eastern Scientific Center of Physiology and Pathology of Respiration, 2020. http://dx.doi.org/10.12737/conferencearticle_5fe01d9c216c81.02726336.

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The comparison of the characteristics of the infrared spectra (height, area of absorption bands) with the biochemical composition was carried out using the example of human saliva. Correlations of both individual absorption bands and their combinations with a number of biochemical parameters of saliva have been established. The substantiation of the revealed regularities based on the metabolic characteristics of this biological fluid is proposed.
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Coleman III, W. M. "Examinations Of The Matrix Isolation Fourier Transform Infrared Spectra Of Organic Compounds." In Intl Conf on Fourier and Computerized Infrared Spectroscopy, edited by David G. Cameron. SPIE, 1989. http://dx.doi.org/10.1117/12.969444.

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Zhang, Di, Zhilong Ding, Tiantian Guo, et al. "Experimental and theoretical studies on THz spectra of phenylthiourea compounds." In 2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2013). IEEE, 2013. http://dx.doi.org/10.1109/irmmw-thz.2013.6665547.

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Clasp, Trocia N., Tiffani Johnson, Michael N. Sullivan, and Scott W. Reeve. "Rotationally resolved infrared spectra of the explosive bouquet compounds associated with C-4 explosives." In SPIE Defense, Security, and Sensing. SPIE, 2011. http://dx.doi.org/10.1117/12.892049.

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Josie, Lim Zi Xi, Nan Zhang, Phua Wei Ji, et al. "Comprehensive Data Analysis and Machine Learning Models for Automatic Identification of Chemical Compounds Based on Terahertz spectra." In 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE, 2023. http://dx.doi.org/10.1109/irmmw-thz57677.2023.10299253.

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Hesse, Henrique, Rejane Frozza, Valeriano Corbellini, Cézane Reuter, and Miria Burgos. "The use of Artificial Neural Network for lipid and glycaemic profiles quantification through infrared spectroscopy." In XVI Simpósio Brasileiro de Computação Aplicada à Saúde. Sociedade Brasileira de Computação - SBC, 2020. http://dx.doi.org/10.5753/sbcas.2016.9910.

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This paper aims to look at the viability of the use of artificial neural networks to solve nonlinear correlations between infrared spectra and biochemical quantification tests, to build a computational system to predict the levels of glycaemic and lipid profiles using infrared spectroscopy. The studies of one of the parameters was modelled and showed signs of viability to quantify all parameters with the suggested methodology. Therefore, more complex and larger data sets are going to be tested with this technique.
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Birca, Maria, Roman Rusnac, and Aurelian Gulea. "Iron(III) coordination compound with some n(4) -substituted thiosemicarbazones of salicyl aldehyde and cinnamic aldehyde derivatives." In Conferința științifică națională cu participare internațională "Integrare prin cercetare și inovare", dedicată Zilei Internaționale a Științei pentru Pace și Dezvoltare. Moldova State University, 2025. https://doi.org/10.59295/spd2024n.71.

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In this paper, the purpose of synthesis of Fe(III) coordination compounds with some N(4)-substituted thiosemicarbazones of salicyl aldehyde and cinnam aldehyde derivatives was pursued: which contain as a radical in the N(4) position: tert-butyl, cyclohexyl; allyl, methyl. The structure of thiosemicarbazones HnL1-5 was confirmed by FTIR spectroscopy and TLC analysis, melting point and NMR spectra. Based on the above-mentioned ligands, 5 coordination combinations were obtained, the research of which was carried out with the help of infrared spectroscopy. All synthesized compounds are being resea
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Reports on the topic "Infrared spectra and biochemical compounds"

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Siripatrawan, Ubonratana. Active Chitosan-Based Film with Antimicrobial Property for Food Packaging Application. Chulalongkorn University, 2010. https://doi.org/10.58837/chula.res.2010.22.

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This research was aimed to develop an active film from chitosan film incorporated with green tea extract to enhance antioxidant and antimicrobial properties in order to be used for food shelf life extension. The experiments were divided into 3 parts. Firstly, chitosan-based film preparation and modification were determined. The results suggested that the optimum chitosan films could be prepared from 2% chitosan in 1% acetic acid. However, the chitosan film was brittle and had low flexibility. Mechanical property of chitosan film was modified by adding different concentrations of glycerol, as a
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