Amoxicillin, azithromycin, cefuroxime, chloramphenicol, ciprofloxacin, clarithromycin, colistin, danafloxacin, decoquinate, dexamethasone, diclofenac, difloxacin, doxycycline, enrofloxacin, erythromycin, florfenicol, flumethasone, griseofulvin, ibuprofen, levofloxacin, lincomycin, maduramicin, mefenamic acid, monesin, narasin, nicarbazin, norfloxacin, oxytetracycline, paracetamol, propranolol, robenidine, sarafloxacin, salinomycin, spectinomycin, sulfachloropyridine, sulfadiazine, sulfadimethoxine, sulfamerazine, sulfamethasone, sulfamethoxazole, sulfamethoxypyridazine, sulfapyridine, sulfaquinoxaline, sulfathiazole, tamoxifen, tetracycline, trimethoprim and tylosin with purity between 98 and 101% were bought from Sigma-Aldrich (St. Louis, MO, USA). Acetonitrile (ACN) and methanol (MeOH) (HPLC grade ≥ 99%) were obtained from Acros Organics (Geel, Bergium) and purified water was prepared in the laboratory with a Milli-Q system from Millipore (Burlington, MA, USA).
Methanol meoh
Manufactured by Thermo Fisher Scientific
Sourced in United States, United Kingdom, Belgium, Germany, Australia, Canada
Methanol (MeOH) is a clear, colorless, and flammable liquid chemical compound. It is a commonly used solvent in various laboratory applications, including chromatography, extraction, and cleaning procedures.
Automatically generated - may contain errors
Lab products found in correlation
Acetonitrile acn, by Thermo Fisher Scientific (18 mentions)
Acetonitrile, by Thermo Fisher Scientific (15 mentions)
Milli q system, by Merck Group (8 mentions)
Formic acid, by Thermo Fisher Scientific (8 mentions)
Formic acid, by Merck Group (8 mentions)
Ammonium acetate, by Thermo Fisher Scientific (6 mentions)
Dimethyl sulfoxide (dmso), by Thermo Fisher Scientific (5 mentions)
Lc ms grade acetonitrile acn, by Thermo Fisher Scientific (5 mentions)
Acetic acid, by Merck Group (5 mentions)
Milli q water purification system, by Merck Group (5 mentions)
Ammonium formate, by Merck Group (4 mentions)
Ammonium hydroxide, by Merck Group (4 mentions)
Hplc grade acetonitrile acn, by Thermo Fisher Scientific (4 mentions)
Acetic acid, by Avantor (3 mentions)
Deuterated solvent, by Cambridge Isotopes (3 mentions)
Methylene chloride ch2cl2, by Mallinckrodt (3 mentions)
Diethyl ether ether, by Thermo Fisher Scientific (3 mentions)
Acetonitrile mecn, by Thermo Fisher Scientific (3 mentions)
Trifluoroacetic acid, by Merck Group (3 mentions)
Sodium hydroxide (naoh), by Merck Group (3 mentions)
97 protocols using methanol meoh
1
Quantification of Veterinary Drugs and Antibiotics
2
Posaconazole and Itraconazole Dissolution Media
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Posaconazole was kindly donated by the Chemical Research Division of MSD (MSD Research Laboratories, Merck Sharp & Dohme Corporation, Kenilworth, NJ), whereas itraconazole was kindly donated by Janssen Research Foundation (Beerse, Belgium). The marketed delayed-release tablet of posaconazole, Noxafil ® (100 mg), was purchased from the University Hospitals Leuven (Leuven, Belgium). Dimethyl sulfoxide (DMSO) and methanol (MeOH) were received from Acros Organics (Geel, Belgium), while BHD Laboratory Supplies (Poole, UK) supplied HCl and NaOH. Acetonitrile, NaCl, and diethylether were received from Fisher Scientific (Leicestershire, UK). Sodium acetate and acetic acid were purchased from VWR (Leuven, Belgium). Biorelevant (Croydon, UK) provided SIF powder in order to prepare fasted state simulated gastric fluid (FaSSGF). Water was purified using a Maxima system (Elga Ltd., High Wycombe Bucks, UK).
To prepare FaSSGF, 60 mg SIF powder was dissolved per liter FaSSGF buffer, which contains NaCl (34 mM) and HCl (pH 1.6). Ensure Plus-based fed state simulated gastric fluid (FeSSGF Ensure Plus ) was prepared by mixing FaSSGF and Ensure Plus in a 1:1 ratio and adjusting to pH 5.
To prepare FaSSGF, 60 mg SIF powder was dissolved per liter FaSSGF buffer, which contains NaCl (34 mM) and HCl (pH 1.6). Ensure Plus-based fed state simulated gastric fluid (FeSSGF Ensure Plus ) was prepared by mixing FaSSGF and Ensure Plus in a 1:1 ratio and adjusting to pH 5.
3
Quantification of Olanzapine and Chlorpromazine
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Analytical standards of olanzapine (OLA) and chlorpromazine (CPZ) were obtained from Sigma-Aldrich (Steinheim, Germany); chlorpromazine N-oxide (CPZ-O) was purchased from Hangzhou Sage Chemical Co. Ltd (Hangzhou, China); olanzapine N-oxide (OLA-O) was acquired from TLC Pharma Chem Inc (Vaughan, Canada). Dimethyl sulfoxide (DMSO) and methanol (MeOH) were from Acros Organics (Geel, Belgium); Acetonitrile (ACN), ammonium acetate, triethylamine (TEA), sodium chloride and hydrochloric acid (37% w/w) were purchased from Fisher Scientific (Loughborough, UK); Ammonia solution 25% (w/w) and potassium chloride were obtained from Chem Lab NV (Zedelgem, Belgium); Calcium chloride and magnesium chloride were purchased from Sigma Aldrich (Belgium); Glacial acetic acid was acquired from VWR chemicals (Fontenay-sous-Bois, France) and dihydrogen potassium phosphate from Merck KGaA (Darmstadt, Germany). Ultrapure water was obtained using a Milli-Q apparatus from Millipore (Milford, MA, USA). A 691 pH meter (Metrohm, Antwerpen, Belgium) was used for pH adjustments. All reagents were of analytical grade or better.
4
Analytical Methodology for Antifungal Drugs
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Posaconazole was kindly donated by the Chemical Research Division of MSD (Whitehouse Station, New Jersey), whereas itraconazole as such was kindly provided by Janssen Research Foundation (Beerse, Belgium). The marketed suspension of posaconazole, Noxafil ® (40 mg/mL), was purchased from the University Hospitals Leuven (Leuven, Belgium). Dimethyl sulfoxide (DMSO) and methanol (MeOH) were received from Acros Organics (Geel, Belgium), whereas BHD Laboratory Supplies (Poole, UK) supplied HCl and NaOH. Acetonitrile and diethylether were purchased from Fisher Scientific (Leicestershire, UK). Sodium acetate and acetic acid were purchased from VWR (Leuven, Belgium). Water was purified using a Maxima system (Elga Ltd., High Wycombe Bucks, UK).
5
Itraconazole Formulation and Characterization
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Itraconazole and HP-β-CD (Kleptose ® HPB parenteral grade, Roquette Frères, Lestrem, France) were kindly provided by Johnson & Johnson Pharmaceutical Research and Development (Beerse, Belgium). Dimethyl sulfoxide (DMSO) and methanol (MeOH) were obtained from Acros Organics (Geel, Belgium). Sodium acetate trihydrate and acetic acid were purchased from VWR (Leuven, Belgium), while acetonitrile (ACN) was supplied by Fisher Scientific (Leicestershire, UK). Formic acid (≥99%) and methanol absolute (≥99.98%) were purchased from Biosolve (Valkenswaard, The Netherlands). Ammonium formate (≥99%) was supplied by Sigma-Aldrich (Steinheim, Germany). Water was purified using a Maxima system (Elga Ltd., High Wycombe Bucks, UK).
6
Cerebrosides Extraction and Characterization
7
Quantification of Doping Agents in Urine
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The chemical
structures of the analytes are given inFigure 1 . Analytical standards of DPG, DTG, and TPG
with purities ≥95% were purchased from Millipore-Sigma (St.
Louis, MO, USA). Isotopically labeled DPG (DPG-d10; purity
≥97%) was obtained from Toronto Research Chemicals (Toronto,
ON, Canada). Ammonium formate (97%; analytical grade) and formic acid
(88%; analytical grade) were purchased from Millipore-Sigma (St. Louis,
MO, USA). Methanol (MeOH) and water of LC–MS grade were obtained
from Fisher Scientific (Waltham, MA, USA). OasisⓇ hydrophilic–lipophilic
balanced (HLB) cartridges (60 mg/3 mL) were purchased from Waters
Corporation (Milford, MA, USA). Synthetic urine was purchased from
Cerilliant (Round Rock, TX, USA). Individual stock solutions of all
analytes and DPG-d10 were prepared in MeOH at 1 mg/mL.
Working solutions were diluted from stock solutions using MeOH.
structures of the analytes are given in
with purities ≥95% were purchased from Millipore-Sigma (St.
Louis, MO, USA). Isotopically labeled DPG (DPG-d10; purity
≥97%) was obtained from Toronto Research Chemicals (Toronto,
ON, Canada). Ammonium formate (97%; analytical grade) and formic acid
(88%; analytical grade) were purchased from Millipore-Sigma (St. Louis,
MO, USA). Methanol (MeOH) and water of LC–MS grade were obtained
from Fisher Scientific (Waltham, MA, USA). OasisⓇ hydrophilic–lipophilic
balanced (HLB) cartridges (60 mg/3 mL) were purchased from Waters
Corporation (Milford, MA, USA). Synthetic urine was purchased from
Cerilliant (Round Rock, TX, USA). Individual stock solutions of all
analytes and DPG-d10 were prepared in MeOH at 1 mg/mL.
Working solutions were diluted from stock solutions using MeOH.
8
Monoclonal Antibody Preparation Protocol
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Acetonitrile (ACN) and methanol (MeOH) were obtained from Fisher Chemical (Reinach, Switzerland). Trifluoroacetic acid (ULC-MS, TFA, ≥ 99.0 %) was obtained from Biosolve BV (Valkenswaard, the Netherlands). DL-dithiothreitol (DTT, ≥ 99 %) was obtained from Axon Lab AG (Baden, Switzerland). Sodium chloride (NaCl, ≥ 99.5 %), potassium chloride (KCl, ≥ 99.5 %), di-sodium phosphate (Na2HPO4, ≥ 99 %), monopotassium phosphate (KH2PO4, ≥ 99.5 %) and 2-(N-morpholino)ethanesulfonic acid monohydrate (MES, ≥ 99.0 %) were obtained from Sigma-Aldrich (Buchs, Switzerland). 1 M sodium hydroxide solution (NaOH) was purchased from VWR Chemicals (Rosny-sous-Bois, France). FabRICATOR™ IdeS enzyme was purchased from Genovis AB (Lund, Sweden). Type 1 water was obtained from a Milli-Q™ purification system from Millipore (Bedford, MA, USA). Difluoroacetic acid (DFA), BioResolve™ CX pH Concentrate A (pH 5) and BioResolve CX pH Concentrate B (pH 10.2) were obtained from Waters (Milford, MA, USA). Casirivimab and Imdevimab were obtained from their respective manufacturers as European Union pharmaceutical-grade drug products.
9
Lipid Extraction for Mass Spectrometry
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Internal standard, 1,3(d5)-diheptadecanoyl-2-heptadecenoyl-glycerol [d5-(17:0/17:1/17:0) TAG], was purchased from Avanti Polar Lipids (Birmingham, Alabama, USA) and methanol (MeOH), acetonitrile, isopropanol (IPA), chloroform (CHCl3), formic acid, and ammonium formate were bought from Fisher Scientific (Pittsburgh, Pennsylvania, USA).
10
Synthesis of Multidentate Metal Complexes
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All chemicals and solvents were purchased from Sigma-Aldrich and used without further purification unless otherwise noted. All deuterated solvents were bought from Cambridge Isotopes. Diethyl ether (ether) and methanol (MeOH) were bought from Fisher. Methylene chloride (CH2Cl2) was purchased from Mallinckrodt Baker. 1,8-Bis(2,5-dihydroxybenzyl)-1,4,8,11-tetraazacyclotetradecane (H4qp4), [MnII(H3qp4)](OTf), and [FeII(H3qp4)](OTf) were synthesized and purified as previously described.15,16 (link)
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