Results 21 to 30 of about 218,280 (260)

Mass spectrometry: an essential tool to be used in discrimination between causes of congenital adrenal hyperplasia, and its benefits versus radioimmunoassay

Beni-Suef University Journal of Basic and Applied Sciences, 2021
Background Measurement of multiple steroids, 17 hydroxyprogesterone, 11 deoxycortisol, and 21 deoxycortisol, is required to discriminate between congenital adrenal hyperplasia due to 21 hydroxylase deficiency and that due to 11 beta hydroxylase ...
Heba Asfour, Heba Baz, Hend Soliman, Yasmine Elshiwy, Marwa Elsharkawy, Fatma Elmougy, Marianne Morgan   +6 more
doaj   +1 more source

Liquid chromatography–tandem mass spectrometry [PDF]

Analytical and Bioanalytical Chemistry, 2013
Peer ...
Petrovic, Mira, Barceló, Damià
openaire   +3 more sources

Assessing Budding Yeast Phosphoproteome Dynamics in a Time-Resolved Manner using TMT10plex Mass Tag Labeling

STAR Protocols, 2020
Summary: Amine-reactive Tandem Mass Tag 10plex (TMT10plex) labeling permits multiplexed protein identification and quantitative analysis by tandem mass spectrometry (MS/MS).
Andrew W. Jones, Helen R. Flynn, Frank Uhlmann, Ambrosius P. Snijders, Sandra A. Touati   +4 more
doaj   +1 more source

Tandem mass spectrometry of deprotonated iodothyronines [PDF]

Rapid Communications in Mass Spectrometry, 2005
Abstract In order to assist with the development of more selective and sensitive methods for thyroid hormone analysis the [M–H] − anions of the iodothyronines T4, T3, rT3, (3,5)‐T2 and the non‐iodinated thyronine (T0) have been generated by negative ion electrospray mass ...
Couldwell, A. M., Thomas, M. C., Mitchell, Todd, Hulbert, A., Blanksby, Stephen J.   +4 more
openaire   +3 more sources

Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry for Simultaneous Determination of Antipsychotic Drugs in Human Plasma and Its Application in Therapeutic Drug Monitoring

Drug Design, Development and Therapy, 2021
Yingjie Qi, Guangxuan Liu Department of Pharmacy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, 110042, Liaoning Province, People’s Republic of ChinaCorrespondence: Yingjie QiDepartment of Pharmacy,
Qi Y, Liu G
doaj  

Analysis of urinary sphingolipids using liquid chromatography‐tandem mass spectrometry in diabetic nephropathy

Journal of Diabetes Investigation, 2020
Aims/Introduction Sphingolipids, such as ceramides and sphingosine, are involved in the pathogenesis of diabetes; however, the modulation of urinary sphingolipids in diabetic nephropathy has not been fully elucidated.
Yoshifumi Morita, Makoto Kurano, Eri Sakai, Takako Nishikawa, Masako Nishikawa, Motoji Sawabe, Junken Aoki, Yutaka Yatomi   +7 more
doaj   +1 more source

Salivary proteomics of canine oral tumors using MALDI-TOF mass spectrometry and LC-tandem mass spectrometry.

PLoS ONE, 2019
Canine oral tumors are relatively common neoplasms in dogs. For disease monitoring and early diagnosis, salivary biomarkers are appropriate because saliva collection is non-invasive and requires no professional skills.
Sekkarin Ploypetch, Sittiruk Roytrakul, Janthima Jaresitthikunchai, Narumon Phaonakrop, Sucheewin Krobthong, Gunnaporn Suriyaphol   +5 more
doaj   +1 more source

Method development and validation of HPLC tandem/mass spectrometry for quantification of perindopril arginine and amlodipine besylate combination in bulk and pharmaceutical formulations

Research in Pharmaceutical Sciences, 2017
A well-characterized and fully validated ultra-high performance liquid chromatography-electrospray ionization-tandem mass spectrometric (UHPLC-ESI-MS/MS) method was developed to reliably analyze combination of perindopril arginine and amlodipine besylate
Kalaiyarasi Duraisamy, K S Jaganathan, Marothu Vamsi krishna   +2 more
doaj   +1 more source

Quantification of hydroxyacetone and glycolaldehyde using chemical ionization mass spectrometry [PDF]

Atmospheric Chemistry and Physics, 2014
Chemical ionization mass spectrometry (CIMS) enables online, rapid, in situ detection and quantification of hydroxyacetone and glycolaldehyde. Two different CIMS approaches are demonstrated employing the strengths of single quadrupole mass spectrometry ...
J. M. St. Clair, K. M. Spencer, M. R. Beaver, J. D. Crounse, F. Paulot, P. O. Wennberg   +5 more
doaj   +1 more source

Efficacy and outcome of expanded newborn screening for metabolic diseases - Report of 10 years from South-West Germany *

Orphanet Journal of Rare Diseases, 2011
Background National newborn screening programmes based on tandem-mass spectrometry (MS/MS) and other newborn screening (NBS) technologies show a substantial variation in number and types of disorders included in the screening panel.
Mengel Eugen, Trefz Friedrich K, Tacke Uta, Schwab Karl O, Fang-Hoffmann Junmin, Haege Gisela, Gramer Gwendolyn, Lindner Martin, Wendel Udo, Leichsenring Michael, Burgard Peter, Hoffmann Georg F   +11 more
doaj   +1 more source