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Relevant bibliographies by topics / Ultra violet-visible spectroscopy (UVVis) analysis

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Journal articles

Academic literature on the topic 'Ultra violet-visible spectroscopy (UVVis) analysis'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Ultra violet-visible spectroscopy (UVVis) analysis"

1

Ziad Salah Muhammed, Shaimaa Obaid Hasson, and Lubna Abdulazeem. "Antibacterial Potential of Green Synthesize Gold Nanoparticles Using Pomegranate Peel Extract on MDR Uropathogenic Bacteria." Iraqi Journal of Natural Sciences and Nanotechnology 6, no. 1 (2025): 118–33. https://doi.org/10.47758/ijnsn.v6i1.136.

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Urinary tract infections have become a public health concern in recent years due to antibiotic resistance. The purpose of this study is to assess the antibacterial activity of green synthesize gold nanoparticles on MDR bacteria. One hundred urine samples were collected from patients with urinary tract infections, the identification and antibiotic susceptibility tests of bacterial isolates were achieved by using the Vitek 2 compact system. The green AuNPs was synthesized by using extract of pomegranate peel, then detected visually by changing in color, and characterized by using Ultra-Violet/ V

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2

Vallikkodi, M., and S. Sudhahar. "The non-linear optical crystal growth and characterization of piperizantum p- aminobentzone." BIBECHANA 16 (November 22, 2018): 15–22. http://dx.doi.org/10.3126/bibechana.v16i0.19875.

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The nonlinear optical properties of piperizanium p – aminobenzoate (PZPAB) crystal were successfully grown with the help of temperature gradient (Slow evaporation) method. The good quality of PZPAB single crystal is formed. The PZPAB is characterized with the help of X-ray diffraction (XRD), Fourier transform infrared (FTIR) measurement, photoluminescence (PL), Raman spectroscopy, ultra violet visible spectroscopy (UV) and finally etching analysis was done.BIBECHANA 6 (2019) 5-22

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3

Rasheed, Rashed Taleb. "Preparation and Characterization of TiO2 Nanostructure by TiCl4 Hydrolysis with Additive NaOH." Al-Mustansiriyah Journal of Science 28, no. 2 (2018): 100. http://dx.doi.org/10.23851/mjs.v28i2.506.

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Titanium dioxide (TiO2) nanostructures were synthesized via the hydrolysis of TiCl4 in alcohol / water solution/with sodium hydroxide solution in the ice-bath (0-5 ◦C). The particles were char-acterized by using X-ray diffraction technique (XRD), spectroscopy of Ultra Violet-Visible (UV / Visible) and infrared (FT-IR), atomic force microscope (AFM) and scanning electron micro-scope (SEM) analysis were used in order to gain information about the material, morphology, size and the shape of the particles

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4

Manikantan, J., H. B. Ramalingam, and B. Chandar Shekar. "Investigation of the Impact of Calcinations Temperature on the Properties of Ba Doped HfO2 Nano-rods." Modern Electronic Technology 2, no. 2 (2018): 35. http://dx.doi.org/10.26549/met.v2i2.849.

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Barium doped hafnium oxide nanoparticles were synthesized by an easy co-precipitation method. FTIR analysis and EDX investigation shows the purity and stoichiometric composition of hafnium oxide nanoparticles. XRD investigation exhibit the as synthesized nanoparticles are amorphous in nature and calcined barium doped hafnium oxide nanoparticles have the monoclinic phase structure with the mean crystallite size was around 15 nm. TEM analysis shows the development of crystalline Nano-rods. The Nano-rod formations signify the possibility of its use in applications of sensor. Ultra violet visible

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5

Rokade, Vanita, Ramejabi Sayyad, and Sharda Gadale. "Synthesis and Structural, Optical and Photocatalytic Properties of Erbium doped Silica Nanocomposites." Research Journal of Chemistry and Environment 26, no. 6 (2022): 73–80. http://dx.doi.org/10.25303/2606rjce073080.

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Nowadays, increasing population and advanced industrialization have extended the use of synthetic dyes in day-to-day life which further results in dye pollution. Large numbers of photocatalysts are being used in industry to reduce pollution. In the present study, the Erbium doped silica nanocomposites were synthesised by sol gel method and used for photocatalytic applications. The characterization of catalysts was carried out by Powder X-ray diffraction analysis (XRD), Flame Emission scanning electron microscopy (FESEM), Energy-dispersed X-ray analysis (EDX), High Resolution transmission elect

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6

Khursheed, Sanya, Rida Tehreem, Muhammad Awais, et al. "Visible-Light Driven Photodegradation of Industrial Pollutants Using Nitrogen-Tungsten Co-Doped Nanocrystalline TiO2: Spectroscopic Analysis of Degradation Reaction Path." Nanomaterials 12, no. 13 (2022): 2246. http://dx.doi.org/10.3390/nano12132246.

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The purpose to conduct this research work is to study the effect of photocatalytic degradation by developing cost-effective and eco-friendly nitrogen and tungsten (metal/non-metal) co-doped titania (TiO2). The inherent characteristics of synthesized nanoparticles (NPs) were analyzed by Fourier transform infra-red spectroscopy (FT-IR), ultra-violet visible (UV-Vis) spectroscopy, Raman spectroscopy, Field emission scanning electron microscopy (FE-SEM), energy dispersive X-ray spectroscopy (EDX), dynamic light scattering (DLS), X-ray diffraction (XRD) spectrometry, and atomic force microscopy (AF

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7

Saariaho, Anna-Maija, Anna-Stiina Jääskeläinen, Mari Nuopponen, and Tapani Vuorinen. "Ultra Violet Resonance Raman Spectroscopy in Lignin Analysis: Determination of Characteristic Vibrations of p-Hydroxyphenyl, Guaiacyl, and Syringyl Lignin Structures." Applied Spectroscopy 57, no. 1 (2003): 58–66. http://dx.doi.org/10.1366/000370203321165214.

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Raman spectroscopy of wood and lignin samples is preferably carried out in the near-infrared region because lignin produces an intense laser-induced fluorescence background at visible excitation wavelengths. However, excitation of aromatic and conjugated lignin structures with deep ultra violet (UV) light gives resonance-enhanced Raman signals while the overlapping fluorescence is eliminated. In this study, ultra violet resonance Raman (UVRR) spectroscopy was used to define characteristic vibration bands of model compounds of p-hydroxyphenyl, guaiacyl, and syringyl lignin structures at three e

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8

Das, Susmita, and Vimal Chandra Srivastava. "Hierarchical Nanostructured ZnO-CuO Nanocomposite and its Photocatalytic Activity." Journal of Nano Research 35 (October 2015): 21–26. http://dx.doi.org/10.4028/www.scientific.net/jnanor.35.21.

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Metal oxide nanocomposite (ZnO-CuO) was successfully synthesized by one step homogeneous coprecipitation method and further characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron micrograph (SEM), X-ray diffraction analysis (XRD) and UV-visible diffuse reflectance spectra. XRD analysis exhibited presence of pure copper oxide and zinc oxide within the nanocomposite. SEM analysis indicated that the ZnO-CuO nanocomposite was consisted of flower shaped ZnO along with leaf shaped CuO. Photocatalytic activity of nanocomposite was evaluated in terms of degradation of methy

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9

Gokakakar, S. D., and A. V. Salker. "Thermal Studies of Aqueous Free-Base Porphyrin and Metalloporphyrins of Cu, Ag and Mn." Asian Journal of Chemistry 34, no. 6 (2022): 1425–30. http://dx.doi.org/10.14233/ajchem.2022.23639.

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Present study is intended on the thermal behaviour of the free base aqueous porphyrin and the corresponding metalloporphyrins of some of the transition metal ions such as Cu, Ag and Mn. The respective porphyrins were synthesized and characterized by ultra violet-visible spectroscopy, infrared spectroscopy and high-resolution mass spectrometry. These porphyrins thus obtained were then subjected to thermal analysis from room temperature to 800 ºC. It was observed that free-base porphyrin tetrasodium meso-tetra (p-sulphonatophenyl) porphyrin (TPPS4) is stable up to 360 ºC and remaining metallopor

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10

Kharde, Harshal S., Champa Maurya, and Haribhau R. Aher. "Removal of Cobalt Metal Ion from Aqueous Solution using Punica granatum Stem Powder as Biosorbent." Journal of Advanced Scientific Research 15, no. 04 (2024): 10–15. http://dx.doi.org/10.55218/jasr.2024150402.

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Abstract: Natural agricultural solid waste material is very cost effective for synthesizing adsorbents utilized in removal of heavy metal ion from economic and noneconomic waste waters which are numerously exploded in environmental soil and water resources. Punica grantanum (pomegranate) stem powder (PGSP) was synthesized into nanoparticle size and practiced in removal of cobalt metal ions. Adsorbent was synthesized in greener manner in aqueous medium. Batch adsorption study was carried with parameters including effect of pH (pH 4, 73.13%), adsorbent dose (200mg, 70.80%), concentration of meta

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