ammonium formate

ammoniumformate azane; formic acid formic acid amine formic acid ammonium salt formic acid ammonium salt (1:1) formic acid, ammonium salt formic acid, ammonium salt (1:1) formic acid, ammonium salt (4:1) PubMed: Use of ammonium formate in QuEChERS for high-throughput analysis of pesticides in food by fast, low-pressure gas chromatography and liquid chromatography tandem mass spectrometry. PubMed: Development and validation of a generic method for quantification of collagen in food supplement tablets using liquid chromatography coupled with time-of-flight mass spectrometry. PubMed: A LC-MS/MS method for the determination of BADGE-related and BFDGE-related compounds in canned fish food samples based on the formation of [M+NH(4)](+) aducts. PubMed: Determination of phosphatidylethanolamine molecular species in various food matrices by liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS2). PubMed: Simultaneous determination of praziquantel, pyrantel embonate, febantel and its active metabolites, oxfendazole and fenbendazole, in dog plasma by liquid chromatography/mass spectrometry. PubMed: Enrichment and quantification of monoacylglycerols and free fatty acids by solid phase extraction and liquid chromatography-mass spectrometry. PubMed: Male enhancement Nutraceuticals in the Middle East market: Claim, pharmaceutical quality and safety assessments. PubMed: A simple extraction method for the simultaneous detection of tetramisole and diethylcarbamazine in milk, eggs, and porcine muscle using gradient liquid chromatography-tandem mass spectrometry. PubMed: [Simultaneous determination of six synthetic sweeteners in food by high performance liquid chromatography-tandem mass spectrometry]. PubMed: Capillary liquid chromatography with diode array and mass spectrometry detection for heterocyclic aromatic amine determination in ready-to-eat food treated with electron-beam irradiation. PubMed: Analysis of UV ink photoinitiators in packaged food by fast liquid chromatography at sub-ambient temperature coupled to tandem mass spectrometry. PubMed: A rapid and underivatized method for the determination of glutamine in human serum with ultra performance liquid chromatography-tandem mass spectrometry and its application. PubMed: Simple and sensitive analysis of histamine and tyramine in Japanese soy sauces and their intermediates using the stable isotope dilution HILIC-MS/MS method. PubMed: Development and validation of a sensitive LC-MS/MS assay for the quantification of nizatidine in human plasma and urine and its application to pharmacokinetic study. PubMed: A Simple LC/MS/MS Method for the Determination of Moxifloxacin N-Sulfate in Rat Plasma and Its Application in a Pharmacokinetic Study. PubMed: Novel dispersive micro-solid-phase extraction combined with ultrahigh-performance liquid chromatography-high-resolution mass spectrometry to determine morpholine residues in citrus and apples. PubMed: [High-sensitivity analysis of purines in alcoholic beverages using hydrophilic interaction chromatography coupled with tandem mass spectrometry]. PubMed: Development, optimization and validation of a multimethod for the determination of 36 mycotoxins in wines by liquid chromatography-tandem mass spectrometry. PubMed: A rapid LC-MS/MS method for quantification of CSUOH0901, a novel antitumor agent, in rat plasma. PubMed: Development and validation of a bioanalytical method by LC-MS/MS for the quantification of the LAFIS 10 - an antimalarial candidate - and its pharmacokinetics first evaluation. PubMed: Beta-D-glucosyl and alpha-D-galactosyl Yariv reagents: syntheses from p-nitrophenyl-D-glycosides by transfer reduction using ammonium formate. PubMed: Forced degradation and impurity profiling: recent trends in analytical perspectives. PubMed: A novel dispersive micro solid phase extraction using PCX as the sorbent for the determination of melamine and cyromazine in milk and milk powder by UHPLC-HRMS/MS. PubMed: Sensitive LC-MS/MS-ESI method for simultaneous determination of montelukast and fexofenadine in human plasma: application to a bioequivalence study. PubMed: [Simultaneous determination of 23 sedative drugs in health foods by high performance liquid chromatography-tandem mass spectrometry]. PubMed: Determination of plant growth regulators in pears by microwave-assisted extraction and liquid chromatography with electrospray ionization mass spectrometry. PubMed: Development and validation of an HPLC method to determine metabolites of 5-hydroxymethylfurfural (5-HMF). PubMed: Determination of Triazine Herbicides in Drinking Water by Dispersive Micro Solid Phase Extraction with Ultrahigh-Performance Liquid Chromatography-High-Resolution Mass Spectrometric Detection. PubMed: [Determination of N-methyl carbamate pesticides in diet samples by high performance liquid chromatography-linear ion trap mass spectrometry with gel permeation chromatography cleanup]. PubMed: Quantitative mass spectrometry independence from matrix effects and detector saturation achieved by flow injection analysis with real-time infinite dilution. PubMed: Comparison of different extraction methods for simultaneous determination of B complex vitamins in nutritional yeast using LC/MS-TOF and stable isotope dilution assay. PubMed: Development and validation of a sensitive and high-throughput LC-MS/MS method for the simultaneous determination of esomeprazole and naproxen in human plasma. PubMed: Development of a sensitive and rapid method for rifampicin impurity analysis using supercritical fluid chromatography. PubMed: Determination of purine contents in different parts of pork and beef by high performance liquid chromatography. PubMed: Development and validation of a LC-MS/MS method to determine sulforaphane in honey. PubMed: Rapid method for the determination of metamizole residues in bovine muscle by LC-MS/MS. PubMed: Quantitation of sunitinib, an oral multitarget tyrosine kinase inhibitor, and its metabolite in urine samples by nonaqueous capillary electrophoresis time of flight mass spectrometry. PubMed: Imatinib assay by high-performance liquid chromatography in tandem mass spectrometry with solid-phase extraction in human plasma. PubMed: Buprenorphine and norbuprenorphine quantification in human plasma by simple protein precipitation and ultra-high performance liquid chromatography tandem mass spectrometry. PubMed: Determination of Levocetirizine in Human Plasma by LC-MS-MS: Validation and Application in a Pharmacokinetic Study. PubMed: Development of LC-MS/MS methodology for the detection/determination and confirmation of chloramphenicol, chloramphenicol 3-O-β-d-glucuronide, florfenicol, florfenicol amine and thiamphenicol residues in bovine, equine and porcine liver. PubMed: Mass spectral studies towards more reliable measurement of perfluorooctanesulfonic acid and other perfluorinated chemicals (PFCs) in food matrices using liquid chromatography/tandem mass spectrometry. PubMed: Analysis of metronidazole in equine plasma using liquid chromatography/tandem mass spectrometry and high-resolution accurate mass spectrometry. PubMed: Determination of zolpidem in human plasma by liquid chromatography-tandem mass spectrometry for clinical application. PubMed: Determination of metabolites of 5-hydroxymethylfurfural in human urine after oral application. PubMed: [Determination of acetyl coenzyme A in grape berries by high performance liquid chromatography-tandem mass spectrometry]. PubMed: Simultaneous screening and determination of 18 illegal adulterants in herbal medicines and health foods for male sexual potency by ultra-fast liquid chromatography-electrospray ionization tandem mass spectrometry. PubMed: Analysis of chlormequat and mepiquat by hydrophilic interaction chromatography coupled to tandem mass spectrometry in food samples. PubMed: A novel cation exchange polymer as a reversed-dispersive solid phase extraction sorbent for the rapid determination of rhodamine B residue in chili powder and chili oil. PubMed: Rapid determination of disulfoton and its oxidative metabolites in human whole blood and urine using QuEChERS extraction and liquid chromatography-tandem mass spectrometry. PubMed: [UPLC-MS/MS method for the determination of icaritin in rat plasma]. PubMed: Determination of aflatoxins in food samples by automated on-line in-tube solid-phase microextraction coupled with liquid chromatography-mass spectrometry. PubMed: The challenges of developing a generic extraction procedure to analyze multi-class veterinary drug residues in milk and honey using ultra-high pressure liquid chromatography quadrupole time-of-flight mass spectrometry. PubMed: [Determination of 14 heterocyclic aromatic amines in wine by liquid chromatography-ion trap-time of flight tandem mass spectrometry]. PubMed: Simultaneous determination of a p38 MAP kinase inhibitor and its amide hydrolyzed metabolite in Cynomolgus monkey plasma by LC-MS/MS, and its application to a toxicokinetic study. PubMed: Occurrence of acidic pharmaceuticals and personal care products in Turia River Basin: from waste to drinking water. PubMed: [Simultaneous identification and detection of 16 anabolic steroid hormones in muscle using liquid chromatography oupled to quadrupole/linear ion trap mass spectrometry]. PubMed: Development of a liquid chromatography tandem mass spectrometry method for simultaneous determination of eight adulterants in slimming functional foods. PubMed: Liquid chromatography-tandem mass spectrometry method for the determination of anthelmintics in alfalfa plants. PubMed: Analysis of abietic acid and dehydroabietic acid in food samples by in-tube solid-phase microextraction coupled with liquid chromatography-mass spectrometry. PubMed: Planar chromatography mediated screening of tetracycline and fluoroquinolone antibiotics in milk by fluorescence and mass selective detection. PubMed: [Fingerprint analysis of Fritillaria thunbergii using rapid resolution liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry]. PubMed: Simultaneous determination of 38 phosphodiestrase-5 inhibitors in illicit erectile dysfunction products by liquid chromatography-electrospray ionization-tandem mass spectrometry. PubMed: Quantification of nicotine, cotinine, trans-3'-hydroxycotinine and varenicline in human plasma by a sensitive and specific UPLC-tandem mass-spectrometry procedure for a clinical study on smoking cessation. PubMed: Liquid chromatography/tandem mass spectrometry (highly selective selected reaction monitoring) for the analysis of isopropylthioxanthone in packaged food. PubMed: Simultaneous quantification of eight biogenic amine compounds in tuna by matrix solid-phase dispersion followed by HPLC-orbitrap mass spectrometry. PubMed: Direct determination of pregabalin in human urine by nonaqueous CE-TOF-MS. PubMed: Fast and sensitive high performance liquid chromatography analysis of cosmetic creams for hydroquinone, phenol and six preservatives. PubMed: Sample stacking microemulsion electrokinetic capillary chromatography induced by reverse migrating pseudostationary phase for the quantification of phenobarbital and its p-hydroxyphenobarbital metabolite in rat urine. PubMed: Rapid determination of chloramphenicol and its glucuronide in food products by liquid chromatography-electrospray negative ionization tandem mass spectrometry. PubMed: Development and validation of a liquid chromatography method with electrospray ionization tandem mass spectrometry for the determination of brotizolam residues in beef and commercial whole milk. PubMed: [Analytical method of cereulide in processed cereal-based foods and milk powder by LC-MS/MS]. PubMed: Application of ion-exchange cartridge clean-up in food analysis. V. Simultaneous determination of sulphonamide antibacterials in animal liver and kidney using high-performance liquid chromatography with ultraviolet and mass spectrometric detection. PubMed: Rapid determination of fumagillin residues in honey by liquid chromatography-tandem mass spectrometry using the QuEChERS method. PubMed: Optimization of a solid phase extraction and hydrophilic interaction liquid chromatography-tandem mass spectrometry method for the determination of metformin in dietary supplements and herbal medicines. PubMed: Analysis of amprolium by hydrophilic interaction liquid chromatography-tandem mass spectrometry. PubMed: Analysis of 18 perfluorinated compounds in river waters: comparison of high performance liquid chromatography-tandem mass spectrometry, ultra-high-performance liquid chromatography-tandem mass spectrometry and capillary liquid chromatography-mass spectrometry. PubMed: Ultrasensitive determination of jasmonic acid in plant tissues using high-performance liquid chromatography with fluorescence detection. PubMed: Validation of an analytical method for the quantification of pyrethrins on lemons and apricots using high-performance liquid chromatography/mass spectrometry. PubMed: Development and validation of a liquid chromatography/mass spectrometry method for pharmacokinetic studies of OZ78, a fasciocidal drug candidate. PubMed: Development and application of an HILIC-MS/MS method for the quantitation of nucleotides in infant formula. PubMed: Liquid chromatography-tandem mass spectrometry for the determination of sphingomyelin species from calf brain, ox liver, egg yolk, and krill oil. PubMed: [LC/ESI-MS/MS method for the simultaneous determination of macrocyclic lactone parasiticides in livestock products and fish]. PubMed: Simultaneous determination of six non-polar heterocyclic amines in meat samples by supercritical fluid extraction-capillary electrophoresis under fluorimetric detection. PubMed: Detection of adulteration of anti-hypertension dietary supplements and traditional Chinese medicines with synthetic drugs using LC/MS. PubMed: Characteristics and origins of common chemical noise ions in negative ESI LC-MS. PubMed: Optimization and validation of a SPE-HPLC-PDA-fluorescence method for the simultaneous determination of drugs used in combined cardiovascular therapy in human plasma. PubMed: Multiresidue analysis of pesticides with hydrolyzable functionality in cooked vegetables by liquid chromatography tandem mass spectrometry. PubMed: Validation of an ion-pair liquid chromatography-electrospray-tandem mass spectrometry method for the determination of heterocyclic aromatic amines in meat-based infant foods. PubMed: Acrylamide in foods: occurrence, sources, and modeling. PubMed: [Determination of five synthetic sweeteners in wines using high performance liquid chromatography-tandem mass spectrometry]. PubMed: Multiresidue analysis of 47 pesticides in cooked wheat flour and polished rice by liquid chromatography with tandem mass spectrometry. PubMed: Semicarbazide formation in azodicarbonamide-treated flour: a model study. PubMed: Liquid chromatographic determination of paralytic shellfish poisons in shellfish after prechromatographic oxidation. PubMed: Field amplified sample injection-capillary electrophoresis-tandem mass spectrometry for the analysis of acrylamide in foodstuffs. PubMed: Effect of Lactobacillus buchneri, Lactobacillus fermentum, Leuconostoc mesenteroides inoculants, or a chemical additive on the fermentation, aerobic stability, and nutritive value of crimped wheat grains. PubMed: Supercritical fluid extraction (SFE) of 4(5)-methylimidazole (4-MeI) and 2-acetyl-4(5)-(1,2,3,4)-tetrahydroxybutyl-imidazole (THI) from ground-coffee with high-performance liquid chromatographic-electrospray mass spectrometric quantification (HPLC/ESI-MS). PubMed: Liquid chromatography analysis of erythromycin A in salmon tissue by electrochemical detection with confirmation by electrospray ionization mass spectrometry. PubMed: A sensitive confirmatory method for aflatoxins in maize based on liquid chromatography/electrospray ionization tandem mass spectrometry. PubMed: Quantitative analysis of delta9-tetrahydrocannabinol in preserved oral fluid by liquid chromatography-tandem mass spectrometry. PubMed: Determination of residues of the plant growth regulator chlormequat in pears by ion-exchange high performance liquid chromatography-electrospray mass spectrometry. PubMed: [Analytical method for carbamate pesticides in processed foods by LC/MS/MS]. PubMed: A new hydrophilic interaction liquid chromatography tandem mass spectrometry method for the simultaneous determination of seven biogenic amines in cheese. PubMed: Off-line solid-phase microextraction and capillary electrophoresis mass spectrometry to determine acidic pesticides in fruits. PubMed: High-performance liquid chromatographic analysis of the antituberculosis drugs aconiazide and isoniazid. PubMed: Analysis of six synthetic adulterants in herbal weight-reducing dietary supplements by LC electrospray ionization-MS. PubMed: Determination of peptide hormones of brain and intestine by CE with ESI-MS detection. PubMed: A new method for screening and determination of diuretics by on-line CE-ESI-MS. PubMed: Positive and negative electrospray LC-MS-MS methods for quantitation of the antiparasitic endectocide drugs, abamectin, doramectin, emamectin, eprinomectin, ivermectin, moxidectin and selamectin in milk. PubMed: A rapid separation method for inositol phosphates and their isomers. PubMed: Determination of chloramphenicol residues in bee pollen by liquid chromatography/tandem mass spectrometry. PubMed: [A rapid capillary zone electrophoresis method for simultaneous determination of several kinds of doping agents]. PubMed: Simultaneous determination of residues of dipyrone and its major metabolites in milk, bovine muscle, and porcine muscle by liquid chromatography/mass spectrometry. PubMed: Determination of phenolic compounds in dietary supplements and tea blends containing Echinacea by liquid chromatography with coulometric electrochemical detection. PubMed: High-performance liquid chromatographic separation and on-line mass spectrometric detection of saturated and unsaturated oligogalacturonic acids.