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Journal articles on the topic 'UV and IR spectroscopy'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Yang, Charles Q., and James M. Freeman. "Photo-Oxidation of Cotton Cellulose Studied by FT-IR Photoacoustic Spectroscopy." Applied Spectroscopy 45, no. 10 (1991): 1695–98. http://dx.doi.org/10.1366/0003702914335274.

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Fourier transform infrared photoacoustic spectroscopy (FT-IR/PAS) was used to investigate the effects of ultraviolet (UV) radiation on cotton cellulose. The infrared spectroscopic data revealed that carboxylic acid was the main photo-oxidation product. It was also concluded that UV radiation was able to penetrate through the cotton fabric and caused oxidation in the bulk of the fabric. However, the highest degree of oxidation occurred in the near-surface of the fabric facing the UV radiation.

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2

Callahan, Michael P., Bridgit Crews, Ali Abo-Riziq, et al. "IR-UV double resonance spectroscopy of xanthine." Physical Chemistry Chemical Physics 9, no. 32 (2007): 4587. http://dx.doi.org/10.1039/b705042a.

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3

Nir, E., Ch Janzen, P. Imhof, K. Kleinermanns, and M. S. de Vries. "Guanine tautomerism revealed by UV–UV and IR–UV hole burning spectroscopy." Journal of Chemical Physics 115, no. 10 (2001): 4604–11. http://dx.doi.org/10.1063/1.1391443.

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4

Kaczmarek, Katarzyna, Andrzej Leniart, Barbara Lapinska, Slawomira Skrzypek, and Monika Lukomska-Szymanska. "Selected Spectroscopic Techniques for Surface Analysis of Dental Materials: A Narrative Review." Materials 14, no. 10 (2021): 2624. http://dx.doi.org/10.3390/ma14102624.

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The presented work focuses on the application of spectroscopic methods, such as Infrared Spectroscopy (IR), Fourier Transform Infrared Spectroscopy (FT-IR), Raman spectroscopy, Ultraviolet and Visible Spectroscopy (UV-Vis), X-ray spectroscopy, and Mass Spectrometry (MS), which are widely employed in the investigation of the surface properties of dental materials. Examples of the research of materials used as tooth fillings, surface preparation in dental prosthetics, cavity preparation methods and fractographic studies of dental implants are also presented. The cited studies show that the above

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5

Abbasova, G. G., A. A. Medjidov, R. H. Ismayilov, A. M. Pashajanov, and P. A. Fatullayeva. "Synthesis and characterization of rare earth metal complexes with novel Schiff base." Fine Chemical Technologies 20, no. 1 (2025): 47–54. https://doi.org/10.32362/2410-6593-2025-20-1-47-54.

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Objectives. The work set out to synthesize Schiff base ligands containing a hydrazone moiety of (Z)-2-((E)-1-hydroxyethylidene)hydrazineylidene)-2-phenylacetic acid, as well as their praseodymium, samarium, europium, and gadolinium complexes, and to study their structure.Methods. The structure of ligands was identified by infrared (IR), ultraviolet (UV), and nuclear magnetic resonance (NMR) spectroscopy. The structure of the complexes was confirmed by elemental analysis, IR and UV spectroscopy, and thermogravimetric analysis.Results. The Schiff base ligands containing a hydrazone moiety of (Z)

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6

Reinhardt, M., and H. J. Lorkowski. "UV and IR derivative spectroscopy of novolac layers." Fresenius' Journal of Analytical Chemistry 349, no. 1-3 (1994): 254–55. http://dx.doi.org/10.1007/bf00323305.

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7

A.J.B. "Computer methods in UV, visible and IR spectroscopy." Journal of Molecular Structure 248, no. 1-2 (1991): 211–12. http://dx.doi.org/10.1016/0022-2860(91)85016-v.

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8

Renschler, Clifford L., Brian R. Stallard, Christine A. White, Manuel J. Garcia, and Harvey E. Morse. "Photodegradation in Ballistic Laminates: Spectroscopy and Lifetime Extension*." Applied Spectroscopy 51, no. 8 (1997): 1130–33. http://dx.doi.org/10.1366/0003702971941953.

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Polycarbonate (PC), a critical component in ballistic laminates (BLs), is known to degrade upon exposure to ultraviolet (UV) light. For the purpose of reducing the photodegradation, a UV blocking chemical has been added to the adhesives used to join the layers of the BL. This report describes the development of a spectroscopic method for monitoring surface photodegradation of PC and the method's use in demonstrating the effectiveness of the UV blocker. Reports in the literature demonstrate that photodegradation in thin PC films may be detected by transmission infrared (IR) spectroscopy. The pr

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9

Wang, Wen, Minglu Zhou, Luying Liang, Meijuan Lin, and Qidan Ling. "Synthesis and phosphorescent properties of the copolymers of N-vinylcarbazole, methyl methacrylate and iridium complex." Materials Science-Poland 32, no. 2 (2014): 206–13. http://dx.doi.org/10.2478/s13536-013-0170-0.

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AbstractThe copolymers containing carbazole unit and iridium complexes, such as (Ir(bpy)2Cl, Ir(mbpy)2Cl and Ir(Brbpy)2Cl, were synthesized via radical copolymerization of N-vinylcarbazole, methyl methacrylate and iridium complex. The synthesized copolymers were characterized by FT-IR, UV-Vis absorption spectroscopy and photoluminescence (PL) spectroscopy, respectively. According to the results, the copolymers (Ir(Brbpy)2Cl/PVK and Ir(mbpy)2Cl/PVK) exhibit yellow phosphorescence with an emission peak at around 553 nm under UV-visible light in the solid state. The results also reveal almost com

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10

Utkin, D. V., V. E. Kouklev, P. S. Erokhin, and N. A. Ossina. "Application of Spectroscopy Methods for Indication and Identification of Pathogenic Biological Agents." Problems of Particularly Dangerous Infections, no. 2(108) (April 20, 2011): 68–71. http://dx.doi.org/10.21055/0370-1069-2011-2(108)-68-71.

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The review presents data on application of UV, IR and optical spectroscopy methods for non-specific indication of pathogenic biological agents, and IR Fourier spectroscopy, and Raman spectroscopy - for their identification. Considered are advantages, disadvantages and prospects of different spectroscopy methods application for monitoring of the environment for the presence of pathogenic biological agents.

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11

Aleksandrova, V. A., and A. A. Lysenkova. "Identification of soybean variety by optical spectroscopy methods." Tovaroved prodovolstvennykh tovarov (Commodity specialist of food products), no. 2 (February 15, 2025): 84–87. https://doi.org/10.33920/igt-01-2502-04.

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The paper examines the possibility of using optical spectroscopy methods to identify soybean varieties. Using the methods of IR spectroscopy and UV-Vis-NIR spectroscopy, data matrices were obtained, preliminary processing of the spectra was carried out, and on their basis, classifi cation models were built for each method separately. According to the IR spectra data, the accuracy of the resulting classification model was 100%; according to the UV-Vis-NIR spectra, it was 97.22%. The results obtained can be eff ectively applied in the food and processing industries.

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12

Karim, Mohammad Rezaul. "Synthesis and Characterizations of Poly(3-hexylthiophene) and Modified Carbon Nanotube Composites." Journal of Nanomaterials 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/174353.

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Poly(3-hexylthiophene) and modified (functionalized and silanized) multiwall carbon nanotube (MWNT) nanocomposites have been prepared through in situ polymerization process in chloroform medium with FeCl3oxidant at room temperature. The composites are characterized through Fourier transfer infrared spectroscopy (FT-IR), Raman, and X-ray diffraction (XRD) measurements to probe the nature of interaction between the moieties. Optical properties of the composites are measured from ultraviolet-visible (UV-Vis) and photoluminescence (PL) spectroscopy. Conductivity of the composites is followed by fo

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13

Crews, Bridgit, Ali Abo-Riziq, Louis Grace, et al. "IR-UV double resonance spectroscopy of guanine–H2O clusters." Physical Chemistry Chemical Physics 7, no. 16 (2005): 3015. http://dx.doi.org/10.1039/b506107e.

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14

Plützer, Chr, E. Nir, M. S. de Vries, and K. Kleinermanns. "IR–UV double-resonance spectroscopy of the nucleobase adenine." Physical Chemistry Chemical Physics 3, no. 24 (2001): 5466–69. http://dx.doi.org/10.1039/b107997b.

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15

Burke, Nicole L., James G. Redwine, Jacob C. Dean, Scott A. McLuckey, and Timothy S. Zwier. "UV and IR spectroscopy of cold protonated leucine enkephalin." International Journal of Mass Spectrometry 378 (February 2015): 196–205. http://dx.doi.org/10.1016/j.ijms.2014.08.012.

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16

Zettler, J. Th, Th Trepk, L. Spanos, Y. Z. Hu, and W. Richter. "High precision UV-visible-near-IR Stokes vector spectroscopy." Thin Solid Films 234, no. 1-2 (1993): 402–7. http://dx.doi.org/10.1016/0040-6090(93)90295-z.

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17

LAURENCE, C. "ChemInform Abstract: Similarity Models in IR and UV Spectroscopy." ChemInform 23, no. 5 (2010): no. http://dx.doi.org/10.1002/chin.199205317.

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18

Koleva, Bojidarka, Rositsa Nikolova, Atanas Tchapkanov, et al. "Crystal structure and spectroscopic properties of 4-acetaminopyridine and its protonated form." Polish Journal of Chemical Technology 11, no. 3 (2009): 35–40. http://dx.doi.org/10.2478/v10026-009-0033-y.

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Crystal structure and spectroscopic properties of 4-acetaminopyridine and its protonated form 4-Acetaminopyridine dihydrate and its protonated form, stabilized as the hydrochloride salt have been synthesized and spectroscopic elucidated in solution and in the solid-state by means of the inear-polarized solid state IR-spectroscopy (IR-LD), UV-spectroscopy, TGA, DSC, and the positive and negative ESI MS. Quantum chemical calculations were used to obtain the electronic structure, vibrational data and the electronic spectra. The spectroscopic and theoretical data are compared with the structure of

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19

Inokuchi, Yoshiya, Yusuke Kobayashi, Takafumi Ito, and Takayuki Ebata. "Conformation ofl-Tyrosine Studied by Fluorescence-Detected UV−UV and IR−UV Double-Resonance Spectroscopy." Journal of Physical Chemistry A 111, no. 17 (2007): 3209–15. http://dx.doi.org/10.1021/jp070163a.

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20

Larsen, Elisabeth S., William W. Hong, and Martin L. Spartz. "Hydrogen Sulfide Detection by UV-Assisted Infrared Spectrometry." Applied Spectroscopy 51, no. 11 (1997): 1656–67. http://dx.doi.org/10.1366/0003702971939325.

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Ultraviolet (UV)-assisted infrared (IR) spectroscopy has been evaluated for its potential usage and feasibility to indirectly detect hydrogen sulfide gas. Hydrogen sulfide (H2S) is a weakly IR-absorbing compound, and its detection by IR methods is further complicated by severe water interferences. However, H2S can readily be converted to sulfur dioxide (SO2), a strong IR absorber, via ultraviolet irradiation. A multipass IR White cell equipped with an internal mercury germicidal UV lamp has been interfaced to a Bomem MB series Fourier transform infrared (FT-IR) spectrometer. The conversion of

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21

Lanzarotta, Adam, Lisa Lorenz, Sarah Voelker, Travis M. Falconer, and JaCinta S. Batson. "Forensic Drug Identification, Confirmation, and Quantification Using Fully Integrated Gas Chromatography with Fourier Transform Infrared and Mass Spectrometric Detection (GC-FT-IR-MS)." Applied Spectroscopy 72, no. 5 (2018): 750–56. http://dx.doi.org/10.1177/0003702817746964.

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This manuscript is a continuation of a recent study that described the use of fully integrated gas chromatography with direct deposition Fourier transform infrared detection and mass spectrometric detection (GC-FT-IR-MS) to identify and confirm the presence of sibutramine and AB-FUBINACA. The purpose of the current study was to employ the GC-FT-IR portion of the same instrument to quantify these compounds, thereby demonstrating the ability to identify, confirm, and quantify drug substances using a single GC-FT-IR-MS unit. The performance of the instrument was evaluated by comparing quantitativ

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22

DALACHE, CHERIFA, HADJ BENHEBAL, BEDHIAF BENRABAH, AEK AMMARI, ABDELMALEK KHARROUBI, and ABDELHAK LAKHAL. "CADMIUM-DOPED Co3O4 THIN FILMS: SYNTHESIS AND CHARACTERIZATION." Surface Review and Letters 26, no. 01 (2019): 1850134. http://dx.doi.org/10.1142/s0218625x18501342.

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This paper contains the results of the structural and spectroscopic characterizations of undoped and Cadmium-doped cobalt oxide thin films with different Co/Cd molar ratios (3%, 5%, 7% and 9%). The nanosized undoped and cadmium-doped Co3O4 thin layers were prepared using sol–gel process and deposited on glass substrates by dip coating. The changes caused by the incorporation of cadmium at different levels of doping have been highlighted by the techniques UV–Visible (UV–Vis) spectroscopy, Infrared (IR) spectroscopy, X-ray diffraction (XRD) measurements, SEM coupled EDX and impedance spectroscop

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23

Hamid, Sheida, and Arash Mouradzadegun. "3D-Network porous polymer bonded metalloporphyrin: An efficient and reusable catalyst for the Baeyer-Villiger oxidation." Journal of Porphyrins and Phthalocyanines 26, no. 02 (2021): 171–79. http://dx.doi.org/10.1142/s1088424621501273.

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A new, green catalyst was prepared through immobilization of metalloporphyrin on the surface of 3D-network polymer based on calix[4]resorcinarene (PC4RA), which efficiently catalyze B-V oxidation reaction using O2/benzaldehyde. The catalyst demonstrated excellent activity, which is highly potential for cyclic aliphatic ketones oxidation under mild conditions. IR spectroscopy, UV-Vis spectroscopy, thermal gravimetric analysis, energy dispersive spectroscopy and scanning electron microscopy are some of the spectroscopic methods used to characterize the new synthesized solid support.

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24

Geană, Elisabeta-Irina, Corina Teodora Ciucure, Constantin Apetrei, and Victoria Artem. "Application of Spectroscopic UV-Vis and FT-IR Screening Techniques Coupled with Multivariate Statistical Analysis for Red Wine Authentication: Varietal and Vintage Year Discrimination." Molecules 24, no. 22 (2019): 4166. http://dx.doi.org/10.3390/molecules24224166.

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One of the most important issues in the wine sector and prevention of adulterations of wines are discrimination of grape varieties, geographical origin of wine, and year of vintage. In this experimental research study, UV-Vis and FT-IR spectroscopic screening analytical approaches together with chemometric pattern recognition techniques were applied and compared in addressing two wine authentication problems: discrimination of (i) varietal and (ii) year of vintage of red wines produced in the same oenological region. UV-Vis and FT-IR spectra of red wines were registered for all the samples and

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N, Thangaraj. "Investigation on Structural, Optical, and Thermal Properties of Graphene Oxide (GO) Nanoparticles." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 04 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem30191.

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The aim of the study , A nanoparticles of graphene oxide (GO) was synthesized by modified Hummer’s method. A new approach to synthesis graphene is oxidizing graphite powder with mixture with concentrated Sulphuric acid (H2SO4), Sodium Nitrate (Na NO3) and Potassium permanganate (KMnO4), Currently,an improved method for the preparation of graphene Oxide was most common one. The Graphene Oxide (GO) was characterized by X-Ray diffractration, FT-IR Spectroscopy, UV Visible Spectroscopy , Raman Spectroscopy and TGA analysis. The X-ray diffractration (XRD) results of Graphene oxide nanoparticles was

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26

Petkovic-Cvetkovic, Jelena, Bojan Bozic, Nebojsa Banjac, et al. "Spectroscopic and quantum chemical elucidation of newly synthesized 1-aryl-3-methyl-3-phenylpyrrolidine-2,5-diones as potentional anticonvulsant agents." Chemical Industry 73, no. 2 (2019): 125–37. http://dx.doi.org/10.2298/hemind190214011p.

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Novel succinimide derivatives were synthesized from 3-methyl-3-phenylsuccinic acid and substituted anilines under solvent-free conditions using the microwave irradiation. All obtained compounds were characterized by the UV, FT-IR, 1H and 13? NMR spectroscopy as well as by elemental analysis. The influence of the substituent electronic effects on the spectroscopic data has been analyzed applying the Hammett equation. Moreover, a detailed interpretation and comparison of experimentally obtained and theoretically calculated FT-IR, UV and NMR spectra have been performed. DFT calculated data of the

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27

Wojtas, J., J. Mikolajczyk, M. Nowakowski, B. Rutecka, R. Medrzycki, and Z. Bielecki. "Applying CEAS method to UV, VIS, and IR spectroscopy sensors." Bulletin of the Polish Academy of Sciences: Technical Sciences 59, no. 4 (2011): 415–18. http://dx.doi.org/10.2478/v10175-011-0050-x.

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Applying CEAS method to UV, VIS, and IR spectroscopy sensorsIn the paper, several applications of Cavity Enhanced Absorption Spectroscopy (CEAS) for trace mater detection are described. NO2sensor was constructed using this technique with blue-violet lasers (395-440 nm). The sensor sensitivity reaches the level of single ppb and it was applied in security portal. For detection of two gases at the same time, two-channel sensor was constructed. Used method allows a significant reduction in the cost of optoelectronic CEAS sensor designed to measure of concentrations of many gases simultaneously. S

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28

Alam, M. M., S. M. S. Islam, S. M. M. Rahman, and M. M. Rahman. "Simultaneous Preparation of Facial and Meridional Isomer of Cobalt-Amino Acid Complexes and their Characterization." Journal of Scientific Research 2, no. 1 (2009): 91–98. http://dx.doi.org/10.3329/jsr.v2i1.2032.

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Preparation and characterization of various complexes of cobalt (III)-amino acid system, especially cobalt (III) glycinato and cobalt (III) alaninato complexes are reported. The identification of the various isomers of these complexes is also reported. The various isomers are separated from their mixture by fractional crystallization. Each of these complexes has been characterized by observing physical characteristics, chemical analysis, UV-visible spectroscopy and IR-spectroscopy. The direct impact of geometry of the complexes to IR stretching frequencies and UV-visible spectral data of amino

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29

Aruan, Dyna Grace Romatua. "Characterization and Antidiabetic Potential of Durian Leaf (Durio zibethinus Linn.) Ethyl Acetate Extract." Chimica et Natura Acta 12, no. 2 (2024): 85–90. https://doi.org/10.24198/cna.v12.n2.47817.

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Durian leaves (Duiro zibethinus Linn.) are one of the plants whose leaves are used as a fever reducer (antipyretic). The aim of this research is to isolate natural ingredients using natural ingredient extraction techniques by maceration and identify steroid compounds from durian leaves that have anti-diabetic potential. Isolation was carried out through several stages, namely maceration, fractionation, subfractionation using column chromatography, purification using preparative TLC, and testing the purity of the isolate using TLC and determining the melting point of the isolate. The antidiabet

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30

Wagh, Shaila, and B. R. Patil. "Synthesis and Spectral Characterization of Some New Novel Schiff bases Derived from Hydroxy Propiophenone." Oriental Journal Of Chemistry 37, no. 3 (2021): 759–62. http://dx.doi.org/10.13005/ojc/370335.

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New Schiff bases derived by the condensation of methyl, chloro, and bromo substituted 2' hydroxy propiophenones with aliphatic and aromatic amines have been synthesized. The Schiff bases are yellow solids with sharp melting points. Schiff bases The spectral characterization of these newly synthesized Schiff base ligands has been done.These Schiff bases were characterized by IR spectroscopy, Nuclear magnetic resonance spectroscopy, UV spectroscopy, and Mass spectroscopy. IR spectra confirmed the presence of the phenolic OH group and azomethine group.

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31

Sunatkari, A. L., S. S. Talwatkar, Y. S. Tamgadge, and G. G. Muley. "Surfactant-dependant thermally induced nonlinear optical properties of l-ascorbic acid-stabilized colloidal GNPs and GNP–PVP thin films." RSC Advances 9, no. 27 (2019): 15502–12. http://dx.doi.org/10.1039/c9ra01598a.

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Gold nanoparticle (GNP) colloids stabilized with various concentrations of l-ascorbic acid were synthesized by the chemical reduction method and characterized by UV-Vis spectroscopy, XRD, FT-IR spectroscopy and TEM.

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32

Varga, Denes, Laszlo Tolvaj, Zsolt Molnar, and Zoltan Pasztory. "Leaching effect of water on photodegraded hardwood species monitored by IR spectroscopy." Wood Science and Technology 54, no. 6 (2020): 1407–21. http://dx.doi.org/10.1007/s00226-020-01204-2.

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Abstract Black locust (Robinia pseudoacacia L.), beech (Fagus sylvatica L.), aspen (Populus tremula L.) and sessile oak (Quercus petraea Liebl.) hardwood samples were irradiated by a strong ultraviolet (UV) emitter mercury lamp at 50 °C. Other series of specimens were exposed to a combined treatment of UV irradiation and water leaching. Ratio of UV radiation and water leaching time was 2:1. While the total duration of UV radiation was 20 days for both test series that of water leaching was 10 days. IR measurement was taken after both UV radiation and water leaching to monitor both effects sepa

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33

Bakels, Sjors, Eline M. Meijer, Mart Greuell, et al. "Interactions of aggregating peptides probed by IR-UV action spectroscopy." Faraday Discussions 217 (2019): 322–41. http://dx.doi.org/10.1039/c8fd00208h.

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Khan, Raihana Imran, та Kasi Pitchumani. "A pyridinium modified β-cyclodextrin: an ionic supramolecular ligand for palladium acetate in C–C coupling reactions in water". Green Chemistry 18, № 20 (2016): 5518–28. http://dx.doi.org/10.1039/c6gc01326k.

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An ionic Pd(ii) complex stabilized by a water soluble pyridinium modified β-cyclodextrin was prepared and characterized by NMR, mass spectrometry, FT-IR spectroscopy, UV-visible spectroscopy and DLS (dynamic light scattering).

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Crews, Bridgit O., Ali Abo-Riziq, Kristýna Pluháčková, et al. "Guanine–aspartic acid interactions probed with IR–UV resonance spectroscopy." Physical Chemistry Chemical Physics 12, no. 14 (2010): 3597. http://dx.doi.org/10.1039/b925340h.

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Heberle, Dylan A., Noah R. Flemens, Xiaoyue Ding, Wei-Zung Chang, and Jeffrey Moses. "Towards a 10-fs hyperspectral spectroscopy source with arbitrary pulse shaping based on adiabatic frequency conversion." EPJ Web of Conferences 205 (2019): 01027. http://dx.doi.org/10.1051/epjconf/201920501027.

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We introduce a 10-fs hyperspectral source architecture for facilitating nonlinear spectroscopy with multi-color sequences of arbitrarily shaped 10-fs UV/Vis, near-IR, and mid-IR pulses. Design principles and initial experimental results are provided.

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37

Palomar, Teresa, Marina Martínez-Weinbaum, Mario Aparicio, Laura Maestro-Guijarro, Marta Castillejo, and Mohamed Oujja. "Spectroscopic and Microscopic Characterization of Flashed Glasses from Stained Glass Windows." Applied Sciences 12, no. 11 (2022): 5760. http://dx.doi.org/10.3390/app12115760.

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Flashed glasses are composed of a base glass and a thin colored layer and have been used since medieval times in stained glass windows. Their study can be challenging because of their complex composition and multilayer structure. In the present work, a set of optical and spectroscopic techniques have been used for the characterization of a representative set of flashed glasses commonly used in the manufacture of stained glass windows. The structural and chemical composition of the pieces were investigated by optical microscopy, field emission scanning electron microscopy-energy dispersive X-ra

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Şener, Sevil. "Ball-Type Dioxy-o-Carborane Bridged Cobaltphthalocyanine: Synthesis, Characterization and DFT Studies For Dye-Sensitized Solar Cells as Photosensitizer." Heterocyclic Communications 26, no. 1 (2020): 37–45. http://dx.doi.org/10.1515/hc-2020-0007.

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AbstractThe synthesis and spectroscopic characterization of an innovative ball-type cobalt metallophthalocyanine 4, bridged by four 1,2-bis(2-hydroxymethyl)-O-carborane (HMOC) 1 units, has been achieved. The synthesized compound 4 was characterized structurally and electronically using elemental analysis, UV-Vis absorption spectroscopy, FT-IR spectroscopy, MALDI-TOF mass spectrometry, EPR spectroscopy and magnetic susceptibility. The photovoltaic performance of the newly synthesized compound in dye-sensitized solar cells was investigated. In order to clarify the effect of dye-sensitization tim

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Idrisov, T. S., M. A. Qurbanov, and U. A. Quliyeva. "RESEARCH INTO UV PHOTOLYSIS PRODUCTS OF CRUDE OIL BY UV AND IR SPECTROSCOPY METHODS." Chemical Problems 15, no. 3 (2017): 276–82. http://dx.doi.org/10.32737/2221-8688-2017-3-276-282.

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40

Rajeswari, R., and K. Jeyaprakash. "Bioactive potential analysis of brown seaweed Sargassum wightii using UV-VIS and FT-IR." Journal of Drug Delivery and Therapeutics 9, no. 1 (2019): 150–53. http://dx.doi.org/10.22270/jddt.v9i1.2199.

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The current study was investigated to explore the biogenic molecules of Sargassum wightii collected from the south east of Tamil Nadu, India. The biogenic molecules extracted from Sargassum wightii by using methanol as a solvent and the analysis was carried out by using UV-Visible spectroscopy and FT-IR. The UV-Visible spectrum of the methanolic extract of Sargassum wightii exposed the existence of the biogenic molecules separated from 200 - 1100 nm among the absorption. The incidence of peaks from 234-676 nm discovered the presence of flavonoids and its derivatives. The unprocessed methanolic

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41

Shahabadi, Nahid, and Maryam Mahdavi. "DNA Interaction Studies of a Cobalt(II) Mixed-Ligand Complex Containing Two Intercalating Ligands: 4,7-Dimethyl-1, 10-Phenanthroline and Dipyrido[3,2-a:2′,3′-c]phenazine." ISRN Inorganic Chemistry 2013 (December 30, 2013): 1–7. http://dx.doi.org/10.1155/2013/604218.

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A new cobalt(II) complex [Co(dppz)2(4,7-dmp)]2+ (4,7-dmp = 4,7-dimethyl-1,10-phenanthrolline) and dppz = dipyrido[3,2-a:2′-3′-c]phenazine has been synthesized and characterized by elemental analysis (CHN), FT-IR, and UV-visible (UV-Vis) spectroscopic techniques. The DNA-binding property of the complex has been investigated employing absorption spectroscopy, fluorescence spectroscopy, circular dichroism, and viscosity measurements. The experimental results show that the complex can bind to DNA in an intercalation mode. In comparison with previous study, the DNA-binding affinity of [Co(dppz)2(4,

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Roy, Kanak, Subhadeep Saha, Biswajit Datta, Lovely Sarkar, and Mahendra Nath Roy. "Study on Host-Guest Inclusion Complexation of a Drug in Cucurbit [6]uril." Zeitschrift für Physikalische Chemie 232, no. 2 (2018): 281–93. http://dx.doi.org/10.1515/zpch-2017-0003.

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AbstractAssembly of pyridine-2-aldoxime drug with cucurbit [6]uril (CB[6]) has been investigated by1H-NMR and 2D-ROESY NMR, UV-Vis spectroscopy, FT-IR spectroscopy, surface tension and conductivity measurements in aqueous saline environment. The distinct cationic receptor feature and the cavity dimension of the CB[6] emphasize that the macro-cyclic host molecule remain as complex with the nerve stimulus drug molecule. The results obtained from surface tension and specific conductivity measurements suggest 1:1 inclusion complex formation between drug and CB[6]. The stability constant evaluated

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Booth, Ryan S., Christopher J. Annesley, Justin W. Young, Kristen M. Vogelhuber, Jerry A. Boatz, and Jaime A. Stearns. "Identification of multiple conformers of the ionic liquid [emim][tf2n] in the gas phase using IR/UV action spectroscopy." Physical Chemistry Chemical Physics 18, no. 25 (2016): 17037–43. http://dx.doi.org/10.1039/c6cp02657e.

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44

Markova, A. I., I. A. Grigoreva, A. I. Ivanova, S. D. Khizhnyak, E. Ruehl, and P. M. Pakhomov. "USE OF SPECTROSCOPIC METHODS FOR STUDYING MORPHOLOGY OF POLYMER TRACK MEMBRANES." Journal of Applied Spectroscopy 89, no. 3 (2022): 348–53. http://dx.doi.org/10.47612/0514-7506-2022-89-3-348-353.

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The morphology of track membranes based on polyethylene terephthalate and polypropylene with different track diameters and their surface densities were studied by UV, IR, Raman spectroscopy, and scanning electron microscopy (SEM). The SEM method was used to plot the distribution curves of the number of tracks depending on their average size (diameter). Similar distribution curves were obtained using UV and IR spectroscopy. Good agreement was found between the data of independent methods of optical spectroscopy and SEM. It is shown that with an increase in the surface density of tracks, t

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Huang, Sung-Chou, and Ching-Yao Lin. "Reductive electropolymerization of N-methyl-3-pyridylethynyl-porphyrins." Chemical Communications 51, no. 3 (2015): 519–21. http://dx.doi.org/10.1039/c4cc08157a.

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Chadwick, B. L., A. P. Milce, and B. J. Orr. "Fluorescence-detected infrared– and Raman–ultraviolet double resonance in acetylene gas: studies of spectroscopy and rotational energy transfer." Canadian Journal of Physics 72, no. 11-12 (1994): 939–53. http://dx.doi.org/10.1139/p94-124.

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Fluorescence-detected Raman–ultraviolet and infrared–ultraviolet double resonance (DR) spectroscopy enables state-selective studies of rotational and vibrational energy transfer in gas-phase acetylene (C2H2) and its deuterated isotopomers (C2HD, C2D2). The Raman–UV DR approach entails pulsed coherent Raman excitation in the ν2 rovibrational band of C2H2(g), followed by fluorescence-detected rovibronic probing of the resulting rovibrational population distributions. Corresponding IR–UV DR experiments employ a line-tunable, pulsed CO2 laser to excite rovibrational transitions in the 2ν4 band of

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Ismayilov, R. H., and P. A. Fatullayeva. "Metal complexes with dihydrazone of malonic acid dihydrazine." Scientific Petroleum, no. 1 (June 30, 2021): 58–62. http://dx.doi.org/10.53404/sci.petro.20210100008.

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This research includes synthesis and characterization of transition metal complexes of Cu (II), Co (II) and Ni (II) with hydrazone Schiff base ligand. Schiff base lagand was synthesized by reaction of malonic ester dihydrazide and 5-bromo salicylaldehyde. The structure of obtained complexes was studied by IR and electron spectroscopy. Keywords: hydrazone Schiff base ligand; copper complex; nickel complex; cobalt complex; IR and UV-Vis spectroscopy.

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Mons, Michel, Evan G. Robertson, Lavina C. Snoek, and John P. Simons. "Conformations of 2-phenylethanol and its singly hydrated complexes: UV–UV and IR–UV ion-dip spectroscopy." Chemical Physics Letters 310, no. 5-6 (1999): 423–32. http://dx.doi.org/10.1016/s0009-2614(99)00814-3.

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Abo-Riziq, Ali G., Bridgit Crews, John E. Bushnell, Michael P. Callahan, and Mattanjah S. De Vries *. "Conformational analysis of cyclo(Phe-Ser) by UV–UV and IR–UV double resonance spectroscopy andab initiocalculations." Molecular Physics 103, no. 11-12 (2005): 1491–95. http://dx.doi.org/10.1080/00268970500095923.

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GHAMMAMY, SHAHRIAR, and SAJJAD SEDAGHAT. "Preparation and Characterization of the Schiff Base Ligand (E)- N-(3-nitrobenzylidene) isonicotinohydrazide and its Silver (I) Complex [Ag(NNBIH)2]+." Material Science Research India 9, no. 2 (2012): 191–95. http://dx.doi.org/10.13005/msri/090203.

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We describe the synthesis and characterization of a new silver (I) complex of the Schiff base ligand (E) - N-(3-nitrobenzylidene) is onicotinohydrazide that abbreviated as NNBIH was synthesized and characterized. Ag (I) Metal complex of this Schiff base ligand prepared by reaction of nitrate salt of Ag (I) with NNBIH. Characterization of the ligand was made by microanalyses, FT-IR, UV–Visible spectroscopy and its complex was made by microanalyses, FT-IR and UV–Visible spectroscopy. TG- DTA and other analytical methods have been applied to the investigation of the thermal behavior and Structure

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