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Specord 50 plus spectrometer

Manufactured by Analytik Jena
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The Specord 50 Plus is a UV-Vis spectrometer manufactured by Analytik Jena. It is designed for routine analysis and measurements in the ultraviolet and visible light wavelength ranges. The Specord 50 Plus provides accurate and reliable spectroscopic data for a variety of applications.

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Lab products found in correlation

Winaspect plus, by Analytik Jena (1 mentions) Quartz cuvette, by Hellma (1 mentions)

Spelling variants of this product

Specord 50 Plus (48 citations) Specord 50 (28 citations) Specord Plus (12 citations)

2 protocols using specord 50 plus spectrometer

1

Characterization of Metal Complexes by UV/Vis

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UV/Vis spectroscopy was performed with a Specord 50 Plus spectrometer (Analytik Jena) running WinAspect Plus (Analytik Jena). Absorbance was measured from 390 to 750 nm in increments of 0.5 nm. Measurements were carried out in TES buffer diluted 1:2 in water (as prepared). Samples were incubated for 30 min on ice with up to 10 mM Na2[IrCl6] or a spatula tip of Na-dithionite for oxidation or reduction respectively. Buffer absorbance was used as a reference. All recorded UV/Vis spectra are available in Supplementary Figs. 13 and 14.
Fuchs H., Ullrich S.R, & Hedrich S. (2024). Vibrio natriegens as a superior host for the production of c-type cytochromes and difficult-to-express redox proteins. Scientific Reports, 14, 6093.
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2

UV-Vis Absorbance Spectroscopy of EL222 Variants

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UV/vis absorbance spectra in the range of 320–550 nm of EL222 variants were measured with a Specord 50 Plus spectrometer (Analytik Jena) using a quartz cuvette (Hellma Analytics) having 10 mm path length at 20°C and 70 μL sample volume. The samples were the same as for the FTIR experiments but they were diluted ~70 times to a concentration between 10 and 30 μM, equivalent to an absorbance at 450 nm ~0.5.
Chaudhari A.S., Chatterjee A., Domingos C.A., Andrikopoulos P.C., Liu Y., Andersson I., Schneider B., Lórenz‐Fonfría V.A, & Fuertes G. (2023). Genetically encoded non‐canonical amino acids reveal asynchronous dark reversion of chromophore, backbone, and side‐chains in EL222. Protein Science : A Publication of the Protein Society, 32(4), e4590.
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