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Page 1
Aromatic glycosides from the flower buds of Lonicera japonica.
Wang F, Jiang YP, Wang XL, Wang SJ, Bu PB, Lin S, Zhu CG, Shi JG. Wang F, et al. J Asian Nat Prod Res. 2013;15(5):492-501. doi: 10.1080/10286020.2013.785531. Epub 2013 Apr 24. J Asian Nat Prod Res. 2013. PMID: 23614462
Their structures including the absolute configurations were determined by spectroscopic and chemical methods as ( - )-2-hydroxy-5-methoxybenzoic acid 2-O-beta-d-(6-O-benzoyl)-glucopyranoside (1), ( - )-4-hydroxy-3,5-dimethoxybenzoic acid …
Their structures including the absolute configurations were determined by spectroscopic and chemical methods as ( - )-2-hydroxy …
A thiophene-containing compound as a matrix for matrix-assisted laser desorption/ ionization mass spectrometry and the electrical conductivity of matrix crystals.
Yasuda A, Ishimaru T, Nishihara S, Sakai M, Kawasaki H, Arakawa R, Shigeri Y. Yasuda A, et al. Eur J Mass Spectrom (Chichester). 2013;19(1):29-37. doi: 10.1255/ejms.1215. Eur J Mass Spectrom (Chichester). 2013. PMID: 23841223
Most of the crystals of standard matrices, such as alpha-cyano-4-hydroxycinnamic acid (CHCA), 3,5-dimethoxy-4-hydroxycinnamic acid [sinapinic acid, (SA)], and DCBTA showed electrical conductivity, whereas the conductivity of crystal was not observed in 2,5-dihydroxybenzoic acid ( …
Most of the crystals of standard matrices, such as alpha-cyano-4-hydroxycinnamic acid (CHCA), 3,5-dimethoxy-4-hydroxycinnamic acid [sinapini …
Glycan and Protein Analysis of Glycoengineered Bacterial E. coli Vaccines by MALDI-in-Source Decay FT-ICR Mass Spectrometry.
Nicolardi S, Danuser R, Dotz V, Domínguez-Vega E, Al Kaabi A, Beurret M, Anish C, Wuhrer M. Nicolardi S, et al. Anal Chem. 2022 Mar 29;94(12):4979-4987. doi: 10.1021/acs.analchem.1c04690. Epub 2022 Mar 16. Anal Chem. 2022. PMID: 35293727 Free PMC article.
Protein and glycan ISD fragment ions were selectively detected using 1,5-diaminonaphtalene and a 2,5-dihydroxybenzoic acid/2-hydroxy-5-methoxybenzoic acid mixture (super-DHB) as a MALDI matrix, respectively. ...
Protein and glycan ISD fragment ions were selectively detected using 1,5-diaminonaphtalene and a 2,5-dihydroxybenzoic acid/2- …
Rapid glycosyl-inositol-phospho-ceramide fingerprint from filamentous fungal pathogens using the MALDI Biotyper Sirius system.
Saromi K, England P, Tang W, Kostrzewa M, Corran A, Woscholski R, Larrouy-Maumus G. Saromi K, et al. Rapid Commun Mass Spectrom. 2020 Nov 30;34(22):e8904. doi: 10.1002/rcm.8904. Rapid Commun Mass Spectrom. 2020. PMID: 32700347
Intact fungi were deposited on a matrix-assisted laser desorption ionization (MALDI) target plate, mixed with the matrix consisting of a 9:1 mixture of 2,5-dihydroxybenzoic acid and 2-hydroxy-5-methoxybenzoic acid solubilized at 10 mg/mL in chlo …
Intact fungi were deposited on a matrix-assisted laser desorption ionization (MALDI) target plate, mixed with the matrix consisting of a 9:1 …
Discrimination of bovine milk from non-dairy milk by lipids fingerprinting using routine matrix-assisted laser desorption ionization mass spectrometry.
England P, Tang W, Kostrzewa M, Shahrezaei V, Larrouy-Maumus G. England P, et al. Sci Rep. 2020 Mar 20;10(1):5160. doi: 10.1038/s41598-020-62113-9. Sci Rep. 2020. PMID: 32198427 Free PMC article.
The optimized method relies on the simple dilution of milks in water followed by MALDI-TOF MS analyses in the positive linear ion mode and using a matrix consisting of a 9:1 mixture of 2,5-dihydroxybenzoic acid and 2-hydroxy-5-methoxybenzoic acid …
The optimized method relies on the simple dilution of milks in water followed by MALDI-TOF MS analyses in the positive linear ion mode and u …
Delayed extraction time-of-flight MALDI mass spectrometry of proteins above 25,000 Da.
Bahr U, Stahl-Zeng J, Gleitsmann E, Karas M. Bahr U, et al. J Mass Spectrom. 1997 Oct;32(10):1111-6. doi: 10.1002/(SICI)1096-9888(199711)32:10<1111::AID-JMS567>3.0.CO;2-Y. J Mass Spectrom. 1997. PMID: 9358631
Within these limitations, DHBs (a 9:1 mixture of 2,5-dihydroxybenzoic acid and 2-hydroxy-5-methoxybenzoic acid) gave by far the best results....
Within these limitations, DHBs (a 9:1 mixture of 2,5-dihydroxybenzoic acid and 2-hydroxy-5-methoxybenzoic aci …
Whole-cell matrix-assisted laser desorption/ionization mass spectrometry for rapid identification of bacteriocin/lantibiotic-producing bacteria.
Stein T. Stein T. Rapid Commun Mass Spectrom. 2008 Apr;22(8):1146-52. doi: 10.1002/rcm.3481. Rapid Commun Mass Spectrom. 2008. PMID: 18335461
Cells of the antibiotic-producing model strain Bacillus subtilis ATCC 6633 were grown on Landy agar plates, and prepared with a 9:1 mixture of 2,5-dihydroxybenzoic acid and 2-hydroxy-5-methoxybenzoic acid (DHBs) as matrix using the bottom-layer …
Cells of the antibiotic-producing model strain Bacillus subtilis ATCC 6633 were grown on Landy agar plates, and prepared with a 9:1 mixture …
Parameterising matrix-assisted laser desorption/ionization (MALDI): effect of solvents and co-additives on analyte peak intensities.
Bashir S, Derrick PJ, Mutter R. Bashir S, et al. Eur J Mass Spectrom (Chichester). 2004;10(4):487-93. doi: 10.1255/ejms.645. Eur J Mass Spectrom (Chichester). 2004. PMID: 15302973
Peak enhancements were previously reported with 'superDHB' (DHB and 2-hydroxy-5-methoxybenzoic acid at 10% v/v). Co-addition of structural analogues and their respective absorption coefficients were determined. ...
Peak enhancements were previously reported with 'superDHB' (DHB and 2-hydroxy-5-methoxybenzoic acid at 10 …
Comparative mapping of recombinant proteins and glycoproteins by plasma desorption and matrix-assisted laser desorption/ionization mass spectrometry.
Tsarbopoulos A, Karas M, Strupat K, Pramanik BN, Nagabhushan TL, Hillenkamp F. Tsarbopoulos A, et al. Anal Chem. 1994 Jul 1;66(13):2062-70. doi: 10.1021/ac00085a022. Anal Chem. 1994. PMID: 8067523
In the mapping of the CHO IL-4 glycoprotein, detection of the trypsin-generated glycopeptides was only possible by MALDI, where their detection was greatly improved by using the super-DHB (sDHB) matrix, a 9:1 mixture of 2,5-dihydroxybenzoic acid (DHB) with 2-hydroxy …
In the mapping of the CHO IL-4 glycoprotein, detection of the trypsin-generated glycopeptides was only possible by MALDI, where their detect …
Drug metabolism studies with the incubated hen's egg. Identification of 2,3,5-trihydroxybenzoic acid as a metabolite of gentisic acid.
Kiep L, Burkhardt J, Seifert K. Kiep L, et al. Arzneimittelforschung. 2008;58(9):469-74. doi: 10.1055/s-0031-1296541. Arzneimittelforschung. 2008. PMID: 18972878
The first of these could be identified as 2,3,5-trihydroxybenzoic acid (2,3,5-THBA) and the second one as 2-hydroxy-5-methoxybenzoic acid (2-H-5-MBA). 2,3,5-THBA has been characterized as a metabolite of 2,5-DHBA in a vertebrate species f …
The first of these could be identified as 2,3,5-trihydroxybenzoic acid (2,3,5-THBA) and the second one as 2-hydroxy-5- …