UV-Vis Spectrum
Ultraviolet Visible spectrum characterizations of Quercetin in aqueous ethanol solution with different pH values
... of UV-Vis spectrum shifted to long ...the UV-Vis spectrum of quercetin in strong acid and alkaline solution will change, and when measuring spectrums in acid and alkaline ...
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EFFICACY OF SILVER NANOPARTICLES SYNTHESIZED ON Commiphora gileadensis (BALSAM) EXTRACT AGAINST INFECTIOUS BACTERIA
... using UV spectrophotometer, scanning electron microscope (SEM) and ...by uv- vis spectrum at λmax = 435 nm and the peak was correlated to the plasmonic nature of the particles as reported by ...
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Enhanced and tunable photoluminescence of polyphenylenevinylenes confined in nanocomposite films
... PL spectrum of the individual polymer corresponds to the literature data [30-32], has a maximum at 530 nm, and is characterized by a distinct vibronic structure (Figure ...PL spectrum of PPV/O300 ...
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Biosynthesis of Silver Nanoparticles Using Marine Sponge
... Biosynthesis of silver nanoparticles was definite by using UV-Vis spectrum analysis. After 4 hours it was saw that the color solution in Erlenmeyer flask turned to yellowish brown (Fig. 1) .It ...
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ANTIBACTERIAL AND PHOTOCATALYTIC ACTIVITIES OF SILVER NANOPARTICLES SYNTHESIZED BY LITCHI CHINENSIS LEAVES EXTRACT
... The UV-VIS spectrum of synthesized AgNPs was analysed by spectrophotometer (UV- Visible Perkin Elmer Lambda ...using UV-VIS ...
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Preparation, Characterization, and Biological Evaluation of New Schiff Base Ligand and their Complexes with iron(II), cobalt(II), nickel(II) and Copper(II) Ions
... [20, 22].The spectra of the complexes were compared with the ligand spectrum. A change was observed in the absorbent peaks by the disappearance of the absorption peaks and the emergence of new absorption packs ...
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Synthesis, Structure and Semi-Empirical Calculations on an Erbium (III) Quaternary Chelate
... the UV-Vis absorption spectrum estimation, the differences in the predicted spectra for the geometries optimized with the two Hamiltonians are small and both are good approximations to the ...
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Eco Freinfly Synthesis And Characterization Of Silver Nanoparticles Using Aquous Leaf Extract Of Alphonsea Sclerocarpa And Apply It As Antimicrobial
... The formation of silver nanoparticles was followed by measuring the surface plasmon resonance (SPR) of the Alphonsea sclerocarpa and Silver Nitrate + Alphonsea sclerocarpa emulsion at the wavelength range from 300–700 ...
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Determination of the Metastable Zone Width, Nucleation Kinetics, Structural and Optical Properties of KCl Doped KAP Crystal
... Slow evaporation method was used to grow pure and KCl (10 mol%) doped KAP single crystal. The solubility and metastable zone width of aqueous solutions of pure and KCl (10 mol%) doped KAP crystal were evaluated to ...
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UV-Vis Absorption and Luminescence Spectrum of LAS: Tb3+/Gd3 as a Laser Material (TECHNICAL NOTE)
... absorption; (ii) Urbach tails; and (iii) inter band absorption. In amorphous materials a different type of optical absorption edge is observed. In these materials, the absorption coefficient (a) increases with the photon ...
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Synthesis, Structural and Optical Properties of an Organic Stilbazolium Single Crystal of 4 (4 Hydroxy Styryl) 1 Methylpyridinium 4 Styrene Sulfonate
... absorption spectrum of HSSS was recorded in the wavelength range 200-1100 nm by dissolving the HSSS in ...The spectrum is shown in Figure ...absorption spectrum of HSSS in methanol shows two distinct ...
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Polythiophene derivative with phenothiazine-vinylene conjugated side chain: Synthesis and its application in field-effect transistors
... tetramethylsilane (TMS) as the internal reference, chemical shifts were recorded in ppm. Elemental analysis was measured on a Flash EA 1112 elemental analyzer. Fourier transforms infrared (FT-IR) spectra were recorded on ...
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Preparation of Nanocomposites Poly (P-Phenylene Vinylene) / ZnO Thin Film and Structural Characterizations
... The figure 4 shows the photo-luminescence spectra of different thickness of PPV/ZnO thin films of single layer structure and the colour of film as fully dark yellow to light yellow thin layer film we obtained in varies ...
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DFT calculations on N,N' 1,2 Cyclohexylene bis (2 Hydroxyacetophenonylideneimine) and Its Ni(II) Complex
... All chemicals and solvents obtained from Merck or Fluka and used without further purification .The infrared spectra of the ligand and complex were recorded on a Shimadzu Prestige 8400 FT-IR spectrometer as KBr disks. ...
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Spectrophotometric determination for chromium (III) and cobalt (II) with 4 (nitro phenyl azo imidazole) (NPAI) as organic reagent
... the spectrum of the reagent ...the spectrum of the free reagent, this band appearing at (1500 and 1450) cm -1 in the prepared complexes spectra ...the spectrum of ...
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Rapid Identification of Anthocyanin in Ficus Aurata Fruits by Liquid Chromatography-Mass Spectrometry Approach
... A high performance liguid chromatography (HPLC) series system (Prominence HPLC 20 series Shimadzu, kyoto, Japan), and a reverse- phase chromatographic column (a Zorbax SB- C18, 150 mm×3.0 mm i.d., 5 μm in particle size, ...
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A Theoretical Study of Spectroscopic Properties of a Hemiacetal by TDDFT Method
... NMR) in vacuum and in a series of solvents with varying solvent polarity have been calculated. The computed results are in good agreement with repor ted experimental data. In case of IR, consideration of anharmonicity ...
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Investigation on Kinetics and Mechanism of Metal Exchange Reaction of Copper (II) Ions and NiL
... In this study, the metal exchange reaction in the Ni-Cu Complex was studied by using a UV-Vis device as well as measurements of adsorption changes at different times. Then, by using these data, the ...
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Synthesis of dumbbell like ZnO microcrystals via a simple solution route
... zinc vacancy and oxygen vacancy [33,34]. Figure 8b showed the room temperature PL spectra of the ZnO samples collected at different times. The PL spectra of the samples collected at reaction times of 10, 60, 120, and 180 ...
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Synthesis of Silver Nanoparticles Using Muntingia Calabura L. Leaf Extract As Bioreductor and Applied As Glucose Nanosensor
... Shimadzu UV-Vis spectrophotometer (UV-2600), Scanning Electron Microscopy (SEM), Particel Size Analyzer (PSA)-DLS VASCO, magnetic stirer (VWR Scientific), X-ray Difraction (XRD)-Shimadzu 7000, ...
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