Ultraviolet and visible maxima of the 3-methyI-10-
Ultraviolet and visible spectrometry
... narrow SBW (0.2–0.5 nm) better resolution and higher noise of the spectrum wide SBW (2–4 nm) low resolution, low noise; suitable for the recording of wide bands (VIS region) and th[r] ...
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ASSAY OF CIPROFLOXACIN BY ULTRAVIOLET VISIBLE SPECTROSCOPY
... of visible spectroscopy for determination of ciprofloxacin, an important antibiotic for the treatment of broad range of bacterial ...x 10 -3 molar and the limit of quantitation (LOQ) is 3.6382 x ...
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Ultraviolet Extinction and Visible Transparency by Ivy Nanoparticles
... Experiments Fresh-grown rootlets of English ivy were collected around the University of Tennessee, Knoxville Campus, before attaching themselves to solid surfaces. The collected rootlets were meshed using tweezers in ...
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Cone based vision of rats for ultraviolet and visible lights
... calculated on the basis of the spectral sensitivity functions already determined. The adequacy of this technique as a means for controlling brightness cues is illustrated below. We first tested animals to determine ...
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The visible and near ultraviolet rotation-vibration spectrum of HOD
... 3. ANALYSIS Significant advances have recently been made in the analysis of short wavelength spectra of water by using variational calcu- lations (2, 3). These sophisticated calculations are required for ...
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Ultraviolet-Visible (UV-Vis) Spectroscopy Background Information
... The ultraviolet-visible (UV-Vis) spectrophotometer is an instrument commonly used in the laboratory that analyzes compounds in the ultraviolet (UV) and visible (Vis) regions of the ...
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Characterisation of Silicon Photomultipliers for the detection of Near Ultraviolet and Visible light
... For the PDE measurement, a new set–up and three different methods are de- veloped and presented. About the set–up, a complete study on the errors associated to the use of LEDs as light sources is presented. In ...
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Studies of optical parametric oscillators for the ultraviolet and visible spectral regions
... @ 1 . 0 6 4 urn (1 . 3 n s ) [ i 4 ] 3.5.3 U ltraviolet damage threshold A selec tion of rep orted values of damag e thresh old at various wavelengths are shown in table 3.4. It should be realised that damage ...
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The Sensitivity of Housefly Photoreceptors in the Mid Ultraviolet and the Limits of the Visible Spectrum
... We have measured the spectral sensitivity of the housefly, Musca domestica, another species known to be strongly phototactic to near-ultraviolet wavelengths (Cameron,.. 1938) and to be a[r] ...
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WATER DISINFECTION USING ULTRAVIOLET-A AND VISIBLE LIGHT-EMITTING DIODES
... Keywords: Disinfection, Light-emitting diodes, Ultraviolet-A I. INTRODUCTION Contaminated drinking water can cause a major health threat to human beings globally. The problem is particularly significant in ...
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Fabrication and characterization of GaN visible-blind ultraviolet avalanche photodiodes
... photodiodes Ultraviolet (UV) light is usually defined as electromagnetic radiation with a wavelength between violet and x-rays, in the range of 10 nm to 400 ...from visible radiation, so they are ...
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Evaluation of ultraviolet, visible, and near infrared spectroscopy for the analysis of wine compounds
... Abstract Martelo-Vidal M.J., Vázquez M. (2014): Evaluation of ultraviolet, visible, and near infrared spectroscopy for the analysis of wine compounds. Czech J. Food Sci., 32: 37–47. Spectroscopy of ...
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Ultraviolet Visible Spectroscopy for Determination of α- and β-acids in beer hops
... (Figure 3), then it is clear that independent calibration curves could not be developed for the two Coumarin dyes, as their absorbance spectra overlap in the range 350 – 450 ...
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Wavelength Selectable Solid-State Raman lasers in the Visible and Ultraviolet Ranges
... C. Discussion The output conversion efficiency demonstrated here has enabled generation of UV output pulse energies the order of 100 µJ. Note that very little attempt to optimise waist sizes, crystal material and length, ...
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Lensless microscopy using visible and extreme ultraviolet radiation Noom, D.W.E.
... In this thesis a laser system is described which is developed to generate short wavelengths. This is done by using high-harmonic generation, which requires short light pulses. We also describe how to use these ...
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Ultraviolet and visible spectroscopy I. David G. Watson. Lecture I EMADALSAMARRAI
... The selectivity of the method depends on the chromophore of the individual drugs, e.g a coloured drug with an extended chromophore is more. distinctive than a drug wit[r] ...
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Optical effects of exposing intact human lenses to ultraviolet radiation and visible light
... Four different laser systems were examined: a pulsed nanosecond laser at 355 nm (third harmonic Nd:YAG, pulse duration 4.2 ns, repetition rate 13 kHz), a pulsed femtosecond laser at 400 nm (frequency double Ti:Sap- phire ...
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Passive Remote Sounding of the Atmosphere in the Ultraviolet, Visible and Near-IR Spectral Regions:
... Outflow of enhanced tropospheric ozone from Africa over the Atlantic as a result of pollution, biomass burning or lightning activity.. Volcanism (VA) N Italy, Africa,.[r] ...
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Ultraviolet Visible spectrum characterizations of Quercetin in aqueous ethanol solution with different pH values
... ABSTRACT The structure changes of flavonoids in strong acid and alkaline solution can be characterized by means of ultraviolet-visible (UV-Vis) spectrum. In this paper, the shifts of UV-Vis spectrum of ...
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Fabrication and Characterization of TiO2 Nanorod Array Based Visible Blind Ultraviolet Photodetector by Hydrothermal Process
... 4. Conclusions In this work, a TNA-based TiO 2 /water SLHJ UV-PD is successfully fabricated via a non-vacuum, low-cost hydro- thermal process. The device has several excellent abilities for UV-light detection, such as ...
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