Although Helmchen's postulates are specific for amides on silica gel using liquid chromatography, the postulates provide ... Chromatography also has many variations (e.g. HPLC, Gas Chromatography, flash chromatography) with a wide array of ... "Preparative Scale Directed Resolution of Enantiomeric Aminesvia Liquid Chromatography of Diastereomeric 4-Hydroxybutyramides". ... In general, chromatography can be used to separate chiral compounds to bypass difficult crystallizations and/or to collect all ...

Patulin presence can be assayed using high-performance liquid chromatography with ultraviolet detection. Molecular methods ...

"Determination of Phenolic Compound Profiles in Maple Products by High-Performance Liquid Chromatography". Journal of ... Additionally, vanillin can be used as a general-purpose stain for visualizing spots on thin-layer chromatography plates. This ... Ong, Peter K. C.; Terry E. Acree (1998). "Gas Chromatography/Olfactory Analysis of Lychee (Litchi chinesis Sonn.)". Journal of ... Journal of Chromatography A. 844 (1-2): 295-305. doi:10.1016/S0021-9673(99)00351-9. PMID 10399332. Walton, Nicholas J.; Melinda ...

Analysis of flavonoids from Cyclanthera pedata fruits by liquid chromatography/electrospray mass spectrometry. Journal of ...

"Determination of picamilon concentration in human plasma by liquid chromatography-tandem mass spectrometry". Journal of ... Chromatography B. 878 (15-16): 1181-4. doi:10.1016/j.jchromb.2010.03.013. PMID 20359966. Welch C. "Declaration of Dr. Cara ...

Liquid chromatography-tandem mass spectrometry (LC-MS/MS) can improve specificity and sensitivity. Some medical disorders are ... "6beta-Hydroxycortisol". Luceri F, Fattori S, Luceri C, Zorn M, Mannaioni P, Messeri G (December 2001). "Gas chromatography-mass ...

"Detection of numerous Y chromosome biallelic polymorphisms by denaturing high-performance liquid chromatography". Genome ...

"Determination of acrylamide monomer in polyacrylamide degradation studies by high-performance liquid chromatography". Journal ... Polyacrylamide can be supplied in a powder or liquid form, with the liquid form being subcategorized as solution and emulsion ... One of the largest uses for polyacrylamide is to flocculate solids in a liquid. This process applies to water treatment, and ...

Chromatographies typically used are hydrophilic interaction liquid chromatography for the measurement of polar metabolites, or ... including liquid-chromatography mass spectrometry (LC-MS), nuclear magnetic resonance (NMR) and gas chromatography-mass ... However, liquid chromatography-mass spectrometry (LC-MS) has been the most widely used. As with typical metabolomic ... Honoré, Anders H.; Thorsen, Michael; Skov, Thomas (2013-08-18). "Liquid chromatography-mass spectrometry for metabolic ...

It has also been proposed as an additive to silica for liquid chromatography. Other names for the compound are 2,2,4,4,6,6- ... The compound is a clear colorless liquid at room temperature. The compound has been extensively studied because of its ... 2Cl 2 into liquid ammonia NH 3, and then extracting the precipitate with benzene. The reaction yields a mixture of compounds, ...

"Rapid diagnosis of anaerobic infections by direct gas-liquid chromatography of clinical specimens". Journal of Clinical ...

"Detection of numerous Y chromosome biallelic polymorphisms by denaturing high-performance liquid chromatography". Genome ...

"Investigations on the in vitro racemization of thalidomide by high-performance liquid chromatography". Journal of ... Chromatography A. 666 (1-2): 235-240. doi:10.1016/0021-9673(94)80385-4. Voet, Donald; Voet, Judith G.; Pratt, Charlotte W. ( ...

"Lung Cancer Serum Biomarker Discovery Using Glycoprotein Capture and Liquid Chromatography Mass Spectrometry". Journal of ... The gas-liquid phase protein sequencer was developed with Michael W. Hunkapiller, then a research fellow at Caltech. The ... By applying reagents in the gas phase instead of the liquid phase, the retention of the sample during the analysis and the ... Hewick, RM; Hunkapiller, MW; Hood, LE; Dreyer, WJ (August 10, 1981). "A gas-liquid solid phase peptide and protein sequenator ...

Separation by high-performance liquid chromatography and identification with myokinase and adenylate deaminase". Biochemistry. ... researchers led by Rosie Redfield at the University of British Columbia analyzed the DNA of GFAJ-1 using liquid chromatography- ... and found that the strain grows better on solid agar medium than in liquid culture. Redfield attributed this to low potassium ...

... quantification by liquid chromatography triple quadrupole-linear ion trap mass spectrometry (Q-Trap)". Natural Product ...

using liquid chromatography mass spectrometry-based metabolomics to identify metabolites that alter phenotype. His initial ... This work is one of the earliest such experiments combining liquid chromatography mass spectrometry and metabolomics to ... In 2005, the Siuzdak lab was engaged in identifying dysregulated metabolic peaks from liquid chromatography mass spectrometry ... used liquid chromatography mass spectrometry to perform metabolomic experiments on the cerebral spinal fluid of sleep deprived ...

It is located in the data station of the modern liquid, gas or supercritical fluid chromatographic systems. This is a dedicated ... Chromatography software is called also Chromatography Data System (CDS) . ... Many chromatography software packages are provided by manufacturers, and many of them only provide a simple interface to ... RSC chromatography monographs (2nd ed.). Cambridge: Royal Society of Chemistry. ISBN 978-1-84973-662-6. Mazzarese, Robert P.; ...

2013 Bell RG (January 1992). "Preparative high-performance liquid chromatographic separation and isolation of bacitracin ... components and their relationship to microbiological activity". Journal of Chromatography. 590 (1): 163-8. doi:10.1016/0021- ...

... is also sometimes known as vapor-phase chromatography (VPC), or gas-liquid partition chromatography (GLPC). ... who separated plant pigments via liquid column chromatography. The invention of gas chromatography is generally attributed to ... Gas chromatography is the process of separating compounds in a mixture by injecting a gaseous or liquid sample into a mobile ... Gas chromatography (GC) is a common type of chromatography used in analytical chemistry for separating and analyzing compounds ...

The technique is employed for gas chromatography and various types of liquid chromatography, including thin layer ... Argentation chromatography is chromatography using a stationary phase that contains silver salts. Silver-containing stationary ... For example, trans fats, undesirable contaminants in ultra-processed foods, are quantified by argentation chromatography. ... chromatography. Analytes containing alkene groups elute more slowly than the analogous compounds lacking alkenes. Separations ...

"Determination of metformin in human plasma using hydrophilic interaction liquid chromatography-tandem mass spectrometry". ... There are several formulations of Metformin available to the market, and all but the liquid form have generic equivalents. ... in surface and pore water by high-resolution sampling-direct injection-ultra high performance liquid chromatography-tandem mass ... Also available is liquid metformin (sold as Riomet in the US), where 5 mL of solution contains the same amount of drug as a 500 ...

At a low concentration, TFA is used as an ion pairing agent in liquid chromatography (HPLC) of organic compounds, particularly ... Stout, Steven J.; Dacunha, Adrian R. (1989). "Tuning and calibration in thermospray liquid chromatography/mass spectrometry ... of acetic acid with all three of the acetyl group's hydrogen atoms replaced by fluorine atoms and is a colorless liquid with a ...

Cannavan A, Kennedy DG (1997). "Determination of dimetridazole in poultry tissues and eggs using liquid chromatography- ...

"Determination of liquid-liquid partition coefficients by separation methods". (secondary). Journal of Chromatography A. 1037 (1 ... A faster method of log P determination makes use of high-performance liquid chromatography. The log P of a solute can be ... Brodsky J, Ballschmiter K (1988). "Reversed phase liquid chromatography of PCBs as a basis for calculation of water solubility ... If one of the solvents is a gas and the other a liquid, a gas/liquid partition coefficient can be determined. For example, the ...

"Identification of phenolic compounds in strawberries by liquid chromatography electrospray ionization mass spectroscopy" (PDF ...

"Advances and Challenges in Liquid Chromatography-Mass Spectrometry-based Proteomics Profiling for Clinical Applications". ... Jin, WH; Dai, J; Li, SJ; Xia, QC; Zou, HF; Zeng, R (2005). "Human plasma proteome analysis by multidimensional chromatography ...

"Quantification of metaxalone in human plasma by liquid chromatography coupled to tandem mass spectrometry". Journal of ... reported a liquid chromatographic method coupled to tandem mass spectrometry for the quantification of metaxalone in human ... Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences. 853 (1-2): 320-332. doi:10.1016/j. ... Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences. 864 (1-2): 137-148. doi:10.1016/j. ...

Recent advances in analytical instrumental techniques highlighted the importance of liquid chromatography (LC) coupled with ... "Automated Analysis of Oxytocin by On-Line in-Tube Solid-Phase Microextraction Coupled with Liquid Chromatography-Tandem Mass ... and saliva by orbitrap liquid chromatography-mass spectrometry". Drug Testing and Analysis. 11 (1): 119-128. doi:10.1002/dta. ... Spectrometry". Chromatography. 2 (3): 382-391. doi:10.3390/chromatography2030382. ISSN 2227-9075. Wang L, Marti DW, Anderson RE ...

Similarly to gas chromatography MS (GC-MS), liquid chromatography-mass spectrometry (LC/MS or LC-MS) separates compounds ... The duty cycle of IMS is short relative to liquid chromatography or gas chromatography separations and can thus be coupled to ... Covey TR, Lee ED, Henion JD (October 1986). "High-speed liquid chromatography/tandem mass spectrometry for the determination of ... Covey TR, Crowther JB, Dewey EA, Henion JD (February 1985). "Thermospray liquid chromatography/mass spectrometry determination ...

Diagnostic tests include DNA sequencing, hemoglobin electrophoresis, and high-performance liquid chromatography. Treatment is ...

This is particularly true in gas-liquid chromatography where column lengths up to 60 m are possible, providing a very large ... "Nomenclature for liquid-liquid distribution (solvent extraction)". Pure Appl. Chem. IUPAC. 65 (11): 2373-2396. doi:10.1351/ ... In ion-exchange chromatography the selectivity coefficient is defined in a slightly different way Solvent extraction is used to ... Factors determining selectivity for lead against zinc, cadmium and calcium have been reviewed, In column chromatography a ...

MIRAGE Liquid chromatography guidelines for reporting of liquid chromatography (LC) glycan data. The MIRAGE reporting ... from mass spectrometry and liquid chromatography experiments). As the guidelines include the definitions of the minimum ... GlycoStore a curated Chromatography, Electrophoresis and Mass spectrometry derived composition database of N-, O-, ... Record in Fairsharing.org for MIRAGE Glycan array guidelines Record in Fairsharing.org for MIRAGE Liquid chromatography ...

... came to be known as a new form of chromatography due to the way that the sample 'partitioned' itself between the two liquid ... "The Role of Martin and Synge in the Birth of Modern Chromatography". chromatographytoday. Chromatography Today. Retrieved 8 ... non-miscible liquid, flowed down the column. The second liquid was the organic solvent chloroform, and they separated acetamino ... Their paper was important because it laid the foundations of all the future work in the field of chromatography. In the first ...

This can be done on both liquid and solid samples. DESI can be coupled to ultra-fast liquid chromatography using an LC eluent ... Zhang, Yun; Yuan, Zongqian; Dewald, Howard D.; Chen, Hao (2011). "Coupling of liquid chromatography with mass spectrometry by ... Electrospray parameters include electrospray voltage, gas and liquid flow rates. Chemical parameters refers to the sprayed ... Miao, Zhixin; Chen, Hao (2009-01-01). "Direct analysis of liquid samples by desorption electrospray ionization-mass ...

Chromatography Electrophoresis High-performance liquid chromatography Capillary electrophoresis Electrochromatography Dittmann ... High-performance liquid chromatography separates analytes by passing them, under high pressure, through a column filled with ... Capillary electrochromatography is a combination of two analytical techniques, high-performance liquid chromatography and ... The relationship between the linear velocity u of the liquid in the capillary and the applied electric field is given by the ...

"Determination of the norlignan glucosides of Hypoxidaceae by high-performance liquid chromatography". Journal of Chromatography ...

Kynurenine metabolites can be quantified using liquid chromatography coupled to mass spectrometry. In some species, the ... tryptophan metabolism and inflammation in human plasma by liquid chromatography/tandem mass spectrometry". Rapid Communications ...

These two plasma species may be measured by liquid chromatography-mass spectrometry. The drug was first made in the 1970s by ... Zhang J, Liang J, Tian Y, Zhang Z, Chen Y (October 2007). "Sensitive and selective liquid chromatography-tandem mass ... Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences. 897: 50-54. doi:10.1016/j.jchromb. ... spectrometry method for the quantification of aniracetam in human plasma". Journal of Chromatography. B, Analytical ...

indigo by column liquid chromatography-atmospheric pressure chemical ionization tandem mass spectrometry". Journal of ... Chromatography A. 832 (1-2): 247-52. doi:10.1016/s0021-9673(98)00892-9. ISSN 0021-9673. PMID 10070774. Miller OK. Jr. (1994). " ...

"Improved method for quantifying capsaicinoids in Capsicum using high-performance liquid chromatography". HortScience. 30 (1): ...

"Ascorbate in plasma as measured by liquid chromatography and by dichlorophenolindophenol colorimetry". Clin. Chem. 32 (6): 1004 ...

Anthocyanin profiling using UV-Vis spectroscopy and liquid chromatography Mass Spectrometry. J. AOAC Int. 103: 1-17. Srinivas, ...

Venom from Tityus stigmurus was analysed using high-performance liquid chromatography (HPLC). Peptides were separated based on ...

The labeled mixtures are then combined, the peptides separated by multidimensional liquid chromatography and analyzed by tandem ... February 2010). "Repeatability and reproducibility in proteomic identifications by liquid chromatography-tandem mass ... Peng J, Elias JE, Thoreen CC, Licklider LJ, Gygi SP (2003). "Evaluation of multidimensional chromatography coupled with tandem ... are separated using reversed-phase chromatography and then, directly ionized using ESI; the direct coupling of separation and ...

indigo by column liquid chromatography-atmospheric pressure chemical ionization tandem mass spectrometry". Journal of ... Chromatography A. 832 (1-2): 247-52. doi:10.1016/s0021-9673(98)00892-9. ISSN 0021-9673. PMID 10070774. Burgess, M.L.; Zhang, Y. ...

"Quantitative Analysis of Urine Vapor and Breath by Gas-Liquid Partition Chromatography". PNAS. 68 (10): 2374-2376. Bibcode: ...

"Thermo Fisher Scientific Adds Patterned Microchip-based Technology to Liquid Chromatography Portfolio". Leo, Leroy; Jain, ... In November, the business announced it would acquire PharmaFluidics and its μPAC range of micro-chip-based chromatography ...

"Column Characterization and Selection Systems in Reversed-Phase High-Performance Liquid Chromatography". Chemical Reviews. 119 ...

Since the 1980s, spice heat has been assessed quantitatively by high-performance liquid chromatography (HPLC), which measures ... An alternative method, high-performance liquid chromatography (HPLC), can be used to analytically quantify the capsaicinoid ... "Improved method for quantifying capsaicinoids in Capsicum using high-performance liquid chromatography". HortScience. 30 (1): ... "Determination of Capsaicin and Dihydrocapsaicin in Capsicum Fruit Samples using High Performance Liquid Chromatography". ...

In 2000, the seeds of Iris clarkei were studied by liquid chromatography. As most irises are diploid, having two sets of ...

Using the more accurate high-performance liquid chromatography method, Kurosawa et al. also determined a new G+C content (43.29 ... Taxonomy of Metallosphaera High-performance liquid chromatography DOE Joint Genome Institute Integrated Microbial Genomes and ...

"Determination of erythritol in fermented foods by high performance liquid chromatography" (pdf). Shokuhin Eiseigaku Zasshi. 29 ... Storey D, Lee A, Bornet F, Brouns F (March 2007). "Gastrointestinal tolerance of erythritol and xylitol ingested in a liquid". ... Beverage categories for its use are coffee and tea, liquid dietary supplements, juice blends, soft drinks, and flavored water ...

"Quantitative Analysis of Urine Vapor and Breath by Gas-Liquid Partition Chromatography". Proceedings of the National Academy of ... Gas chromatography-mass spectrometry GC-MS Gas chromatography-UV spectrometry GC-UV Proton transfer reaction mass spectrometry ... Exhaled breath analysis using electronic nose and gas chromatography-mass spectrometry for non-invasive diagnosis of chronic ...

... by ultra-performance liquid chromatography/tandem mass spectrometry". Rapid Communications in Mass Spectrometry. 22 (4): 549-58 ... "Determination of azaspiracids in shellfish using liquid chromatography/tandem electrospray mass spectrometry". Rapid ...

It is a combination of high-performance liquid chromatography and capillary electrophoresis. The capillaries is packed with ... It is a combination of size exclusion chromatography (gel filtration chromatography) and gel electrophoresis. These separation ... Chromatography, Protein methods, Molecular biology, Laboratory techniques, Electrophoresis, Biological techniques and tools). ... Capillary electrochromatography (CEC) is an electrochromatography technique in which the liquid mobile phase is driven through ...

... and reversed-phase liquid chromatography". Chromatographia. 18 (1): 44-46. doi:10.1007/BF02279465. S2CID 54035024. Rahman, M. ... in aqueous reversed-phase liquid chromatography. This relationship can be used to understand the significance of different ... "Molecular-shape recognition of polycyclic aromatic hydrocarbons in reversed phase liquid chromatography". Chromatographia. 18 ( ... List of F numbers for PAHs v t e (Polycyclic aromatic hydrocarbons, Chromatography, All stub articles, Analytical chemistry ...

Soine PJ, Soine WH (November 1987). "High-performance liquid chromatographic determination of the diastereomers of 1-(beta-D- ... glucopyranosyl)amobarbital in urine". Journal of Chromatography. 422: 309-14. doi:10.1016/0378-4347(87)80468-1. PMID 3437019. ...

She commercialised her work on liquid chromatography-mass spectrometry (LCMS) with Waters Corporation.[citation needed] Rudd ...

Solvents used in high-performance liquid chromatography (HPLC) are often sparged with helium. In biochemical engineering, ... Froth flotation, the use of gas bubbles to separate or extract hydrophobic liquids and/or solids from hydrophilic liquids M. W ... from that liquid. It is a method of degassing. According to Henry's law, the concentration of each gas in a liquid is ... In chemistry, sparging, also known as gas flushing in metallurgy, is a technique in which a gas is bubbled through a liquid in ...