Relevant bibliographies by topics / Ftir spectrum of salicylic acid

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Academic literature on the topic 'Ftir spectrum of salicylic acid'

Author: Grafiati
Published: 3 June 2025
Last updated: 19 July 2025

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Journal articles on the topic "Ftir spectrum of salicylic acid"

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Zelenska, Kateryna, Hiroko Kimura, Tetsuo Sasaki, Toru Aoki, and Volodymyr Gnatyuk. "Terahertz Spectroscopy Studies of Solid-State Salicylic Acid." Advanced Materials Research 1117 (July 2015): 65–68. http://dx.doi.org/10.4028/www.scientific.net/amr.1117.65.

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Molecular and lattice vibration frequencies of solid-state salicylic acid were studied in the Terahertz (THz) and Mid-Infrared (Mid-IR) ranges. The calculation of the THz and Mid-IR spectra of salicylic acid which was based on the solid-state density functional theory (DFT) was carried out. Experimental studies were conducted by THz absorbance spectroscopy and Fourier transform infrared spectroscopy (FTIR) methods. Vibrations revealed in “finger-print” spectrum of salicylic acid were compared with the typical vibrations of groups of atoms that make up organic molecules.
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Yau Xin, Y., and B. V. S. Lokesh. "QUANTITATIVE ANALYSIS OF ASPIRIN IN TABLETS USING ATTENUATED TOTAL REFLECTANCE FTIR WITH FULL SPECTRUM PLS ALGORITHM." INDIAN DRUGS 56, no. 10 (2019): 50–56. http://dx.doi.org/10.53879/id.56.10.11932.

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Acetyl salicylic acid (ASA) is widely used globally to treat pain, rheumatic fever and inflammation since more than a century. It is also a prototypical molecule categorized as a platelet aggregation inhibitor, that could be widely used to reduce the risk of arterial and venous thrombosis in long term therapy. Various ASA formulations are available in the market and estimation of their quantity and efficacy is of utmost importance since it is largely being produced by many pharmaceutical companies all over the world. Literature is supported with many analytical methods using UV-visible spectro
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Abdul Hussein, Jasim M., Saadon A. Owda, and Samaá M. Hassan. "Preparation, Characterization of A New Cis – Iodoplatin and Cis - Carboplatin Complexes and Study There Spectral, Physical and Pharmaceutical Properties." JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 27, no. 1 (2019): 146–63. http://dx.doi.org/10.29196/jubpas.v27i1.2086.

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This search includes preparation of new cis–platin, in the form of iodin, and new two cis - carboplatin complexes {cis [Pt(4-aminoantipyrine) (NH3)2]I2 and cis[Pt (aminosalicylicacid) (NH3)2]I}, which used as anti - cancer drugs, they are prepared by using the organic ligands 4-amino salicylic acid and 4-amino anti pyrine. These complexes were characterized by using UV–Vis., FTIR, XRD and 1HNMR spectroscopic techniques . The effect of the concentration and the temperature on the molar electrical conductivity of its solutions were studied. The expiry date (half-life) for the solutions of the co
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Obi, Juliana Chineze, and Paul Chukwudi Osunwa. "UV and IR Characterization of Monoazo Disperse Dyes Synthesized from Aminobenzene and its Derivatives." Scholars International Journal of Chemistry and Material Sciences 5, no. 7 (2022): 122–27. http://dx.doi.org/10.36348/sijcms.2022.v05i07.001.

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The potential of amino benzene and its derivatives in the synthesis of monoazo disperse dyes was studied. The dyes were synthesized by the diazotization of amino benzene and its derivatives and subsequent coupling with salicylic acid. The synthesized dyes were subjected to UV and IR characterization and the UV-VIS absorption spectra of the dyes in methanol, ethanol and ethyl acetate revealed that the dyes have absorption bands within the visible region of the electromagnetic spectrum and that the λmax of the dyes increases with increase in polarity of the solvents. The FTIR characterization of
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Evangelisti, Luca, Shouyuan Tang, Biagio Velino, and Walther Caminati. "Microwave spectrum of salicylic acid." Journal of Molecular Structure 921, no. 1-3 (2009): 285–88. http://dx.doi.org/10.1016/j.molstruc.2009.01.007.

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Chrisyanti, Desriana, Gunawan Gunawan, and Abdul Haris. "Blue Methylene Retrieval using Silica-Salicylic Acid Modified Filtering." Jurnal Kimia Sains dan Aplikasi 21, no. 1 (2018): 19–23. http://dx.doi.org/10.14710/jksa.21.1.19-23.

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The retrieval of methylene blue using a silica-modified sulfide-salicylic acid has been carried out. Salicylate-silica-acid alloys have been prepared by comparing the four media ie filter paper, silica-filter paper, salicylic acid-filter paper and salicylic acid-silica-filter paper. This study aims to study the recovery of methylene blue using salicylic acid-modified silica filtering with various parameters on the adsorption and desorption process. The results showed that the salicylic acid-silica alloy could improve the capability of methylene blue removal. The result of pH variation on the a
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McDonagh, Birgitte Hjelmeland, and Gary Chinga-Carrasco. "Characterization of Porous Structures of Cellulose Nanofibrils Loaded with Salicylic Acid." Polymers 12, no. 11 (2020): 2538. http://dx.doi.org/10.3390/polym12112538.

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Bleached and unbleached pulp fibers were treated with 2,2,6,6-tetramethylpyperidine-1-oxyl (TEMPO) mediated oxidation to obtain cellulose nanofibrils (CNFs). The resulting bleached and unbleached CNFs were mixed with salicylic acid (0, 5, 10, 20 wt%) before casting and freeze-drying or 3D-printing. A series of methods were tested and implemented to characterize the CNF materials and the porous structures loaded with salicylic acid. The CNFs were characterized with atomic force microscopy and laser profilometry, and release of salicylic acid was quantified with UV-visible absorbance spectroscop
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Naik, S. B. Thirumalesh, M. Purushothaman, and K. B. Chandrasekhar. "Fabrication and Evaluation of Mini Tablet Filled Capsules to Treat Transient Ischemic Attack." Asian Journal of Chemistry 33, no. 1 (2020): 89–96. http://dx.doi.org/10.14233/ajchem.2021.22929.

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In this work, mini tablets filled hard gelatin capsules were fabricated for a fixed-dose therapy for transient ischemic attack (TIA). Clopidogrel besylate (CB)-75 mg and acetyl salicylic acid (ASA)-75 mg were utilized in this work. Among the mini-tablets (MTs) clopidogrel besylate, was uncoated conventional mini-tablets, whereas acetyl salicylic acid was enteric-coated. Acetyl salicylic acid gastric irritation was overcome by using Plantago ovata seed mucilage as a binder in all mini-tablets. Both types of mini-tablets were filled in hard gelatin capsules. Clopidogrel besylate and acetyl salic
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E., Vishala, Vadlapudi Kumar, Ruksana F., et al. "Hemolytic saponins product enhancement in Gnidia glauca (Fresen.) Gilg cell suspension cultures." Biomedicine 43, no. 01 (2023): 291–98. http://dx.doi.org/10.51248/.v43i01.2298.

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Introduction and Aim: Gnidia glauca (Fresen.) Gilg of thymelaeaceae is enlisted as an endangered plant. Hemolytic triterpenoid saponins of oleanane and ursane classes are present in G. glauca. The purpose of the present study is to increase the production of hemolytic triterpenoids in vitro using salicylic acid as an elicitor in G. glauca cell suspensions. Materials and Methods: Explants were collected and surface sterilized, then inoculated onto Murashige and Skoog medium for callus culture, further establishing suspension cultures that were treated with salicylic acid. Saponins produced in t
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Cecone, Claudio, Mario Iudici, Marco Ginepro, Marco Zanetti, Francesco Trotta, and Pierangiola Bracco. "Dextrin-Based Adsorbents Synthesized via a Sustainable Approach for the Removal of Salicylic Acid from Water." Nanomaterials 13, no. 20 (2023): 2805. http://dx.doi.org/10.3390/nano13202805.

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Pharmaceuticals such as salicylic acid are commonly detected in wastewater and surface waters, increasing concern for possible harmful effects on humans and the environment. Their difficult removal via conventional treatments raised the need for improved strategies, among which the development of bioderived adsorbents gained interest because of their sustainability and circularity. In this work, biobased cross-linked adsorbents, synthesized via a sustainable approach from starch derivatives, namely beta-cyclodextrins and maltodextrins, were at first characterized via FTIR-ATR, TGA, SEM, and el
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Book chapters on the topic "Ftir spectrum of salicylic acid"

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Sagiri, Sai S., Suraj K. Nayak, S. Lakshmi, and Kunal Pal. "Preparation and Characterization of Biopolymeric Nanoparticles as Drug Delivery Vehicles." In Research Anthology on Synthesis, Characterization, and Applications of Nanomaterials. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-8591-7.ch069.

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In recent years, the use of biopolymeric nanoparticles as vehicles for drug delivery has increased exponentially. In the present study, chitosan and gelatin nanoparticles were prepared by ionic gelation and desolvation methods, respectively. Salicylic acid was used as the model drug. The nanoparticles were characterized using SEM, XRD analysis and FTIR spectrophotometric studies. In vitro drug release experiments were carried out to understand the mechanism of drug release. SEM micrographs showed the formation of spherical nanoparticles. XRD studies indicated a higher crystalline nature of the chitosan nanoparticles as compared to the gelatin nanoparticles. FTIR studies indicated the presence of salicylic acid within the drug- loaded nanoparticles. Drug release studies indicated that the developed nanoparticles may be used as carriers for various bioactive agents.
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Sunitha, Ramineni, Praveen Sivadasu, and Raghavendra Kumar Gund. "Gabapentin Novel Co-Crystals: an Attempt to Enhance Physicochemical Parameters." In Current Trends in Drug Discovery, Development and Delivery (CTD4-2022). Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/9781837671090-00400.

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Co-crystals are used to overcome the limitations of poor solubility and poor oral bioavailability of pharmaceuticals. The multiple components of co-crystals are interacting non-covalently with solvent where API properties are improved. The current research mainly focuses on formulating and evaluating Gabapentin (GBP) cocrystals with various coformers like L-Ascorbic acid and Acetyl salicylic acid. The current study of Novel co-crystals is prepared by using the co-grinding method in different stoichiometric ratios of 1:1 and 1:3. FTIR, PXRD, SEM, flow characteristics, inherent solubility, and in vitro dissolution are used to describe synthesized crystals. The FTIR analysis was interpreted that Gabapentin forms a hydrogen bond with the complimentary carboxyl groups of L-Ascorbic acid and Acetyl salicylic acid. PXRD analyses of GBP-L-ASC CF are showing a high degree of Crystallinity compared to other co-former Cocrystals. Flow properties for prepared Cocrystals are showing excellent while compared to pure drug. Particle size analysis by SEM revealed that 1:3 ratio prepared Cocrystals (GBP-ASA CF-2, and GBP-ASA CF-4) showed less size than 1:1 ratio prepared Cocrystals. GBP-ASA CF-2 and GBP-ASA CF-4 showed 44.63 folds and 59.12 folds increased solubility. The invitro dissolution test showed that GBP-ASA CF-4 and GBP-ASC CF-2 showed a higher dissolution rate (99.87%, and 97.84%) than pure Gabapentin. GBP-ASA CF-4 and GBP-ASC CF-2 showed modification in the chemical environment, intermolecular interactions were established, and improved flow properties with enhanced intrinsic solubility and invitro dissolution rate than a pure drug by decreasing Cocrystals particle size.
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Conference papers on the topic "Ftir spectrum of salicylic acid"

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Vokshi, Eri, Venkat Minnikanti, and Davie Peguero. "Performance of Epoxies Used in Non-Metallic Composite Repair Systems in Aggressive Environments." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05827.

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Abstract Samples of three types of epoxies exposed to aggressive environments in the repair of leaking pipelines were subjected to 1000hr chemical immersion tests. The chemicals used for testing are hydrochloric acid (HCl), sodium hydroxide (NaOH), sulfuric acid (H2SO4), acetic acid (AcOH), MEK, and Ethylene Dichloride (EDC). Changes to the chemical structure and material properties of the epoxies were analyzed via Fourier transform infrared (FTIR), differential scanning calorimetry (DSC), shore D hardness, and change in weight. Correlations between different types of tests performed on the ep
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N, Nandha Kumar, Christin Jenifer A, Kathirvel D, and Kanchana G. "Effect of FeCl3, CoCl3, and NiCl3 on the Properties of Sulphamic Acid Single Crystals." In The Second National Conference on Emerging Materials for Sustainable Future. Asian Research Association, 2024. http://dx.doi.org/10.54392/ara24110.

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The slow evaporation approach was used to create both pure Sulphamic single crystals and doped Sulphamic acid single crystals with FC, CC, and NC at room temperature. The orthorhombic system of their crystal structures was verified by Powder X-ray Diffraction (PXRD) analysis. Their vibrational modes were determined by spectrum analysis using Fourier Transform Infrared (FTIR) and FT-RAMAN. Studies on UV-Vis-NIR absorption were carried out to comprehend the optical behavior. The impurity on the absorption was detected at 365 nm, 395.75 nm, and 384.43 nm for pure and doped crystals, respectively,
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Nikolić, Milica G., A. Ranđelović, Dragan M. Đorđević, and Goran M. Nikolić. "THE INFLUENCE OF Mn(II) IONS ON THE FORMATION AND CHARACTERISTICS OF PRODUCTS RESULTING FROM PROLONGED AUTOXIDATION OF CATECHOL IN AQUEOUS SOLUTION." In 17th International Conference on Fundamental and Applied Aspects of Physical Chemistry. Society of Physical Chemists of Serbia, 2024. https://doi.org/10.46793/phys.chem24i.345n.

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The process of autoxidation of catechol in aqueous solution at pH 7.4 in the absence and in the presence of manganese (II) ions was observed for five days. UV-Vis spectra recorded during this period revealed that Mn (II) ions greatly enhance the rate of autoxidation process. The presence of metal ions also resulted in the formation of larger quantity of product. Obtained materials were characterized using FTIR and ESR spectroscopy. FTIR spectra confirmed that polymerization has occurred during autoxidation of catechol in both systems. The ESR data revealed that both autoxidation products conta
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Baba, Waqas, and Sajid Maqsood. "Enhancing techno-functional and bioactive properties of whey proteins by conjugation with quercetin using combined treatment of redox pair and ultrasonication." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/jtxr7155.

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Camel whey-quercetin conjugates were fabricated via free radicals using a combination of ultrasonication treatment and a redox-pair (ascorbic acid/H2O2). Conjugation of whey with quercetin was confirmed using UV-Vis. spectroscopy, FTIR and SDS-PAGE. UV-Visible spectroscopy showed a bathochromic shift and appearance of a hump around ≈350 nm (absent in whey sample) that can be attributed to binding of quercetin with whey protein. As indicated by FTIR, the association of whey with quercetin took place via covalent (appearance of new peak at 3399 cm-1) as well as noncovalent linkages (shift-ing of
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Evans, W. F. J., and E. Puckrin. "The Remote Sensing of Tropospheric Gases by Thermal Emission Spectroscopy." In Optical Remote Sensing of the Atmosphere. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/orsa.1993.the.8.

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A technique for the remote sensing of tropospheric gases for air pollution and global warming has been developed. Models of global warming depend on the measured laboratory absorption spectra of Radiatively Active Gases, yet the atmosphere works on the radiative transfer of thermal emission. An outstanding question is then: are there discrepancies between calculations of radiation codes and atmospheric fluxes? Models of the global warming use laboratory absorption spectra of gases as a basis for radiative transfer calculations. In the atmosphere, the greenhouse effect actually arises through t
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Kamalova, Alina, Alexander Gordeev, Alexey Chalenko, Lilya Biktasheva, and Polina Kuryntseva. "COMPARISON OF TWO METHODS OF PURIFICATION OF LIPOPEPTIDES PRODUCED BY BACILLUS SUBTILIS HZMJW 1-10 ISOLATED FROM OIL-CONTAMINATED SOIL." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022v/6.2/s25.17.

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Biosurfactants produced by soil microorganisms are now widely used in various industries and are able to compete with synthetic detergents. However, in contrast with chemical surfactants, biological ones have disadvantage: it is difficult to obtain the product of high purity since the microbes usually produce a complex mixture of compounds, besides the cultural medium itself contains a lot of various components. Thus, the conventional scheme of lipopeptide isolation involves acid precipitation, extraction with the solvent, filtration and drying. However, it is reported that often the biosurfac
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Reports on the topic "Ftir spectrum of salicylic acid"

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Rujiravanit, Ratana. Preparation and characterization of hydrogel from chitin derivative and silk fibroin. Thailand Research Fund, 2003. https://doi.org/10.58837/chula.res.2003.80.

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Natural polymer blend films composed of chitosan and silk fibroin were prepared by solution casting technique with various ratios of chitosan to silk fibroin, using glutaraldehyde as crosslinking agent. The effects of the ratio of chitosan to silk fibroin and crosslinking agent on mechanical properties, swelling behavior and drug releasing property of the blend films were studied. For the swelling behavior, the blend films exhibited a dramatic change in the degree of swelling when immersed in acidic solutions. The blend film with 80% chitosan content had the maximum degree of swelling. It appe
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Kloepper, Joseph W., and Ilan Chet. Endophytic Bacteria of Cotton and Sweet Corn for Providing Growth Promotion and Biological Disease Control. United States Department of Agriculture, 1996. http://dx.doi.org/10.32747/1996.7613039.bard.

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Endophytes were isolated from 16.7% of surface-disinfested seeds and 100% of stems and roots of field-growth plants. Strains from Israel with broad-spectrum in vitro antibiosis were mainly Bacillus spp., and some were chitinolytic. Following dipping of cut cotton roots into suspensions of these strains, endophytes were detected up to 72 days later by isolation and by autoradiograms of 14C-labelled bacteria. Selected endophytes exhibited biological control potential based on significant reductions in disease severity on cotton inoculated with Rhizoctonia solani or Fusarium oxysporum f. sp. vasi
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Gal-On, Amit, Shou-Wei Ding, Victor P. Gaba, and Harry S. Paris. role of RNA-dependent RNA polymerase 1 in plant virus defense. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7597919.bard.

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Objectives: Our BARD proposal on the impact of RNA-dependent RNA polymerase 1 (RDR1) in plant defense against viruses was divided into four original objectives. 1. To examine whether a high level of dsRNA expression can stimulate RDR1 transcription independent of salicylic acid (SA) concentration. 2. To determine whether the high or low level of RDR1 transcript accumulation observed in virus resistant and susceptible cultivars is associated with viral resistance and susceptibility. 3. To define the biogenesis and function of RDR1-dependent endogenous siRNAs. 4. To understand why Cucumber mosai
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