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Lc ms grade water and acetonitrile acn

Manufactured by Thermo Fisher Scientific
Sourced in United States

LC-MS-grade water and acetonitrile (ACN) are high-purity solvents specifically designed for use in liquid chromatography-mass spectrometry (LC-MS) applications. These solvents are produced and tested to meet the stringent requirements for LC-MS analysis, ensuring low levels of impurities and contaminants that could interfere with the analytical process.

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4 protocols using lc ms grade water and acetonitrile acn

1

Carbonyl Compound Analysis by HPLC-DNPH

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2,4-dinitrophenylhydrazine (DNPH), high performance liquid chromatography (HPLC)-grade acetone, dichloromethane, methanol (MeOH), and water were purchased from Sigma-Aldrich (St. Louis, MO). HPLC-grade hexane, acetone, and ACS-grade hydrochloric acid (HCl) were purchased from Fisher Scientific (Fair Lawn, NJ). Silica gel 60 thin layer chromatography plates (aluminum sheets, 20 × 20 cm, 200 μm) were purchased from EMD Millipore (Billerica, MA). Nylon membrane syringe filters (0.45 μm) were purchased from Whatman Ltd. (Maidstone, Kent, England). LC-MS-grade water and acetonitrile (ACN) were purchased from Thermo Fisher Scientific (Houston, TX) and ammonium acetate from Honeywell Riedel-de Haen (Seelze, Germany).
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2

Carbonyl Compound Analysis by HPLC-DNPH

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2,4-dinitrophenylhydrazine (DNPH), high performance liquid chromatography (HPLC)-grade acetone, dichloromethane, methanol (MeOH), and water were purchased from Sigma-Aldrich (St. Louis, MO). HPLC-grade hexane, acetone, and ACS-grade hydrochloric acid (HCl) were purchased from Fisher Scientific (Fair Lawn, NJ). Silica gel 60 thin layer chromatography plates (aluminum sheets, 20 × 20 cm, 200 μm) were purchased from EMD Millipore (Billerica, MA). Nylon membrane syringe filters (0.45 μm) were purchased from Whatman Ltd. (Maidstone, Kent, England). LC-MS-grade water and acetonitrile (ACN) were purchased from Thermo Fisher Scientific (Houston, TX) and ammonium acetate from Honeywell Riedel-de Haen (Seelze, Germany).
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3

Metabolite Identification by Derivatization

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The following chemicals were used: LC‐MS‐grade water and acetonitrile (ACN) (Fisher Scientific, Houston, TX); 2‐hydrazinoquinoline (HQ) and triphenylphosphine (TPP) (Alfa Aesar, Ward Hill, MA); 2,2′‐dipyridyl disulfide (DPDS) (MP Biomedicals, Santa Ana, CA); and dansyl chloride (DC) and n‐butanol (Sigma‐Aldrich, St. Louis, MO). The metabolite standards used for structural confirmation were from Sigma‐Aldrich, Fisher Scientific, Alfa Aesar, Ark Pharm (Libertyville, IL), Frontier Scientific (Logan, UT), and Steraloids (Newport, RI), respectively.
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4

Rat Serum LC-MS Lipidomics

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Chemicals used to prepare mobile phases and solutions included LC-MS grade water and acetonitrile (ACN) (Fisher Scientific International, Inc., Pittsburg, PA, USA), isopropyl alcohol (IPA) (Honeywell International, Inc., Charlotte, NC, USA), formic acid (purity > 99.5%) (CovaChem, LLC., Loves Park, IL, USA), and ammonium formate (purity > 99.995%) (Sigma-Aldrich, Inc., St. Louis, MO, USA). Uninjured Sprague Dawley rat serum (ab7488, Abcam, PLC., Cambridge, UK) was used as a reference during LC-MS data collection and to supplement MS/MS data collection. SPLASH II Lipidomix (Sigma-Aldrich, Inc., St. Louis, MO, USA) was used as an analytical internal standard for MS experiments.
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