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Hipersolv chromanorm for hplc

Manufactured by Avantor
Sourced in United States

HiPerSolv CHROMANORM for HPLC is a high-performance liquid chromatography (HPLC) solvent produced by Avantor. It is designed to provide consistent and reliable performance in HPLC applications.

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5 protocols using hipersolv chromanorm for hplc

1

Synthesis and Purification of DMPO Radical Probe

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2-Propanol (HiPerSolv CHROMANORM for HPLC, VWR, Radnor, PA, USA), acetonitrile (Promochem Optigrade, LGC Standards GmbH, Wesel, Germany) were gradient grade for liquid chromatography. TiCl4 (≥98%, Fluka Chemie AG, Buchs, Switzerland), NaOH (99.9%, Molar Chemicals Ltd., Halásztelek, Hungary), Dimethyl sulfoxide, DMSO (≥99.9%, Sigma-Aldrich, St. Louis, MO, USA) were used as received. 5,5-dimethyl-1-pyrroline N-oxide, DMPO, was synthesized as previously described [36 (link)], and it was freshly distilled before use. High purity deionized water was obtained by a LaboStar 7 TWF-UV (SG Wasseraufbereitung und Regenerierstation GmbH, Barsbüttel, Germany) system.
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2

Biodegradable Polymer Nanoparticle Synthesis

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Dichloromethane (HiPerSolv CHROMANORM for HPLC, VWR) and dimethyl sulfoxide (ACS grade, Amresco) were mixed at volume ratios of 1/10 and 1/20 to prepare the precursor solutions. Poly (D,L-lactide-co-glycolide) (acid terminated) (75:25, Mw 4000~15000 g/mol, Sigma Aldrich) was dissolved in the dispersed phase at different concentrations (5 mg/mL, 15 mg/mL). Phosphate buffered saline (PBS, 150 mM, pH = 7.4 at 25 °C) was purchased from Sigma Aldrich. The doxorubicin (DOX) was supplied by Discovery Fine Chemicals (Wimborne, UK), and tamoxifen was supplied by Sigma Aldrich.
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3

Solvent Procurement for Analytical Experiments

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The methanol (MeOH), trichloromethane (TCM), petroleum ether (PE), ethyl acetate (EtOAc) and acetonitrile (AcN) (Hipersolv Chromanorm for HPLC) were purchased from VWR International (Radnor, PA, USA). MagniSolv acetone-d1 (99.8% deuteration degree) and methanol-d1 (99.8% deuteration degree) were used for NMR spectroscopy.
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4

Photocatalytic Phenol Degradation

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The following were used as received, 2-propanol (HiPerSolv CHROMANORM for HPLC, VWR, Radnor, PA, USA); titanium(IV) isopropoxide (≥97%, Sigma-Aldrich, St. Louis, MO, USA); Aeroxide TiO2 P25 (Degussa AG, Hanau-Wolfgang, Germany); phenol (≥99.0%, Sigma-Aldrich, St. Louis, MO, USA); and dimethyl sulfoxide (DMSO) (≥99.9%, Sigma-Aldrich, St. Louis, MO, USA). As previously described, 5,5-dimethyl-1-pyrroline N-oxide (DMPO), was synthesized [18 (link)], and it was freshly distilled before use. High purity deionized water was obtained by a LaboStar 7 TWF-UV (SG Wasseraufbereitung und Regenerierstation GmbH, Barsbüttel, Germany) system.
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5

Preparation of Polymer Blends

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PLA was obtained from NatureWorks LLC (PLA Polymer 4042D; Mw 209.0 kg mol−1, 6.1% D-isomer). PCL (Mw 48.0–90.0 kg mol−1, Mn ∼45.0 kg mol−1), CA (Mn ∼30.0 kg mol−1, 39.8 wt% acetyl) and PMMA (Mw ∼350.0 kg mol−1) were purchased from Sigma-Aldrich (Vienna, Austria). Absolute ethanol was obtained from Fisher Scientific (Vienna, Austria). Tetrahydrofuran (HiPerSolv CHROMANORM for HPLC) and acetone (AnalaR NORMAPUR) were obtained from VWR (Vienna, Austria).
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