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Spd 10ad vp

Manufactured by Shimadzu
Sourced in Japan

The SPD-10AD VP is a diode array detector for liquid chromatography (LC) systems. It is designed to detect and measure the absorbance of light passing through a liquid sample at multiple wavelengths simultaneously. The device is capable of rapid data acquisition and provides high-sensitivity detection for a wide range of analytical applications.

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3 protocols using spd 10ad vp

1

Comprehensive Analytical Characterization of Novel Compounds

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All chemicals were obtained from Sigma-Aldrich or Merck. NMR Spectra were registered on Bruker DPX 300 spectrometer at room temperature (298K) on a using DMSO-d6 as the solvent and processed using Bruker XWinNMR software. LC/MS was developed by means of chromatography with PHENOMENEX GEMINI NX C18 110Å 4.61 × 150 mm column (0.05% TFA, gradient MeCN/H2O), UV-detector SHIMADZU SPD-10AD VP (registered absorption at 254 nm), ELSD (evaporative light scattering detector) SEDEX-75 and API-150EX mass-spectrometer. Elution started with 0.1 M solution of TFA in water and ended with 0.1 M solution of TFA in acetonitrile used a linear gradient at a flow rate of 0.15 mL/min and an analysis cycle time of 25 min. FT-IR spectrum was registered in KBr pellet with Shimadzu IR Prestige-21 Fourier Transform Infrared (FTIR) Spectrophotometer. UV/Vis spectrum was registered in acetonitrile with Agilent 8453 UV-Vis Spectrophotometer. Melting point was registered with Buchi M-560. Elemental analysis was performed on EuroEA-3000 CHNS-O Analyzer.
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2

HPLC Quantification of Efavirenz in Nanoparticles

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The amount of the EFV in the nanoparticles and filtrate was analyzed by using a reverse phase-HPLC method described in our earlier paper.26 (link) The HPLC apparatus consisted of a pump (LC-10ATvp), system controller (SIL-10ADvp), degasser unit (DGU-14A), refrigerated auto-sampler (SIL-10ADvp), a UV-Vis detector (SPD-10ADvp) and a column heater (Shimadzu Corporation, Columbia, MD). Samples were run through a C18 pre-column and a Gemini C18 reverse-phase [150 × 4 5 mm (I.D.)] with 5 μm particle size packing (Phenomenex, Torrance, CA). The mobile phase consisted of acetonitrile and 25 mM KH2PO4 solution (55:45). For HPLC analysis, the flow rate of the mobile phase was at 0.9 ml/min, column oven was set at 35°C, injection volume was 20 μl and detector was set at 212 nm. The retention time for EFV was 10.4 min. For standard curve, EFV stock solution (1 mg/ml) was prepared in acetonitrile. The stock solutions were diluted with acetonitrile to obtain solutions of various concentrations. Standard curve was obtained by injecting 0.1–10 μg/ml of EFV. Limit of detection for EFV was 50 ng/ml. All the experiments were performed in triplicate. The inter-day and intra-day variability for the standard curve was always < 10%.
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3

HPLC Analysis of Pharmaceutical Compound

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The analyses were carried out on a Shimadzu Class VPHPLC system (Tokyo, Japan) equipped with SCL 10 A VP system controller, SPD-10 AD VP UV-Visible detector and LC 10 AD VP solvent delivery with SIL-10 AD VP auto injector. The column used was thermo-hypersil C18: 250 mm×4.6 mm i.d., 5 µm end capped column, with Phosphoric acid (2.45 g/L H3PO4), Acetonitrile (87+13, v/v) as a mobile phase at flow rate of 1.5 ml/min AUVdetector with a wavelength of 278 nm and injection volume of 50 µL was applied.
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