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1983 1
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The following term was not found in PubMed: 4-Difluoropyrrolidine-2-carboxylic
Page 1
The Effect of Grapefruit Juice on the Pharmacokinetics of Tadalafil in Rats.
Shen X, Chen F, Wang F, Huang P, Luo W. Shen X, et al. Biomed Res Int. 2020 Jan 24;2020:1631735. doi: 10.1155/2020/1631735. eCollection 2020. Biomed Res Int. 2020. PMID: 32047806 Free PMC article.
A mixture of acetonitrile-0.2% trifluoroacetic acid-water (48 : 10 : 42, V/V/V) was used as the mobile phase with a flow rate of 1.0 mL/min. ...The C (max) of tadalafil in the control group and the experimental group was (725.89 161.59) ng/mL and (1271.60 179 …
A mixture of acetonitrile-0.2% trifluoroacetic acid-water (48 : 10 : 42, V/V/V) was used as the mobile phase with a flo …
Preparation of two novel monobrominated 2-(2',4'-dihydroxybenzoyl)-3,4,5,6-tetrachlorobenzoic acids and their separation from crude synthetic mixtures using vortex counter-current chromatography.
Weisz A, Witten JJ, Zeng Y, Mazzola EP, Ito Y. Weisz A, et al. J Chromatogr A. 2012 May 11;1237:106-14. doi: 10.1016/j.chroma.2012.03.040. Epub 2012 Mar 19. J Chromatogr A. 2012. PMID: 22475185 Free PMC article.
The present work describes the preparation of two compounds considered to be likely precursors of an impurity present in samples of the color additives D&C Red No. 27 (Color Index 45410:1) and D&C Red No. 28 (Color Index 45410, phloxine B) submitted to the U.S. Foo …
The present work describes the preparation of two compounds considered to be likely precursors of an impurity present in samples of the colo …
Synthesis and Characterization of the Ethylene-Carbonate-Linked L-Valine Derivatives of 4,4-Dimethylcurcumin with Potential Anticancer Activities.
Lee DY, Lin HY, Ramasamy M, Kuo SC, Lee PC, Hsieh MT. Lee DY, et al. Molecules. 2021 Nov 22;26(22):7050. doi: 10.3390/molecules26227050. Molecules. 2021. PMID: 34834146 Free PMC article.
To increase its solubility, we installed either or both of the ethylene-carbonate-linked L-valine side chains to DMCU phenolic groups and produced targeted 1-trifluoroacetic acid (1-TFA) and 2-trifluoroacetic acid (2-TFA) derivatives. The termin …
To increase its solubility, we installed either or both of the ethylene-carbonate-linked L-valine side chains to DMCU phenolic groups and pr …
Differential estimation of isomeric 2- and 4-methoxylated estrogens in serum by matrix-assisted laser desorption ionization-tandem mass spectrometry.
Moon JY, Kim SJ, Moon MH, Chung BC, Choi MH. Moon JY, et al. Anal Sci. 2013;29(3):345-51. doi: 10.2116/analsci.29.345. Anal Sci. 2013. PMID: 23474725 Free article.
As a simple and rapid method for small-molecule analysis, matrix-assisted laser desorption ionization coupled with linear ion-trap tandem mass spectrometry (MALDI-LTQ-MS/MS) was used to differentially quantify 2- and 4-methoxyestrogens in spiked serum samples. Both …
As a simple and rapid method for small-molecule analysis, matrix-assisted laser desorption ionization coupled with linear ion-trap tandem ma …
Impact of a rinse step on protein removal from silicone hydrogel contact lenses.
Pucker AD, Nichols JJ. Pucker AD, et al. Optom Vis Sci. 2009 Aug;86(8):943-7. doi: 10.1097/OPX.0b013e3181b2f417. Optom Vis Sci. 2009. PMID: 19609231 Free PMC article.
At the outcome visit, contact lenses were then collected by a gloved examiner, with a sterile metal forceps, who rinsed the right lens but did not rinse the left lens on removal from the eyes. Protein was extracted with a 50:50 0.2% trifluoroacetic acid-aceto …
At the outcome visit, contact lenses were then collected by a gloved examiner, with a sterile metal forceps, who rinsed the right lens but d …
Separation of two cytotoxic saponins from the roots of Adenophora triphylla var. japonica by high-speed counter-current chromatography.
Kang M, Ha IJ, Chun J, Kang SS, Kim YS. Kang M, et al. Phytochem Anal. 2013 Feb;24(2):148-54. doi: 10.1002/pca.2394. Epub 2012 Aug 29. Phytochem Anal. 2013. PMID: 22930642
Preparative isolation of bioactive components was performed by HSCCC with a two-phase solvent system composed of ethyl acetate-n-butanol-0.2% trifluoroacetic acid in water (5:5:10, v/v). The cytotoxicity of column fractions and isolated compounds was evaluate …
Preparative isolation of bioactive components was performed by HSCCC with a two-phase solvent system composed of ethyl acetate-n-butanol-0. …
Extraction efficiency of an extraction buffer used to quantify lysozyme deposition on conventional and silicone hydrogel contact lens materials.
Subbaraman LN, Glasier MA, Senchyna M, Sheardown H, Jones L. Subbaraman LN, et al. Eye Contact Lens. 2007 Jul;33(4):169-73. doi: 10.1097/01.icl.0000248155.23800.20. Eye Contact Lens. 2007. PMID: 17630622
PURPOSE: Extracting lysozyme from Food and Drug Administration group IV etafilcon lenses by using 0.2% trifluoroacetic acid and acetonitrile (TFA/ACN) is a well-established procedure. ...RESULTS: Extraction efficiencies for lysozyme from the artificial tear s …
PURPOSE: Extracting lysozyme from Food and Drug Administration group IV etafilcon lenses by using 0.2% trifluoroacetic acid …
Evaluation of extraction approaches linked to ELISA and HPLC for analyses of microcystin-LR, -RR and -YR in freshwater sediments with different organic material contents.
Babica P, Kohoutek J, Bláha L, Adamovský O, Marsálek B. Babica P, et al. Anal Bioanal Chem. 2006 Aug;385(8):1545-51. doi: 10.1007/s00216-006-0545-8. Epub 2006 Jul 8. Anal Bioanal Chem. 2006. PMID: 16830113
First, the extraction efficiency strongly depends on the extraction solvent, and extraction with 5% acetic acid in 0.2% trifluoroacetic acid (TFA)-methanol was confirmed as being the most appropriate for three different sediments (recovery: 33.1-44.9% …
First, the extraction efficiency strongly depends on the extraction solvent, and extraction with 5% acetic acid in 0.2% tri …
Induction of acetylcholine receptor synthesis and aggregation: partial purification of low-molecular-weight activity.
Buc-Caron MH, Nystrom P, Fischbach GD. Buc-Caron MH, et al. Dev Biol. 1983 Feb;95(2):378-86. doi: 10.1016/0012-1606(83)90039-8. Dev Biol. 1983. PMID: 6825940
Myotubes in 7-day cultures responded more rapidly to brain extract than did myotubes in 4-day cultures, so the older cells were used in subsequent bioassays. A large percentage of the receptor inducing activity was soluble in 2% trifluoroacetic acid (T …
Myotubes in 7-day cultures responded more rapidly to brain extract than did myotubes in 4-day cultures, so the older cells were used …
Isolation and characterization of biologically active and inactive cholecystokinin-octapeptides from human brain.
Reeve JR Jr, Eysselein VE, Walsh JH, Sankaran H, Deveney CW, Tourtellotte WW, Miller C, Shively JE. Reeve JR Jr, et al. Peptides. 1984 Sep-Oct;5(5):959-66. doi: 10.1016/0196-9781(84)90123-2. Peptides. 1984. PMID: 6209688
Cholecystokinin-like immunoreactivity (CCK-LI) in 0.9 kg human brain was extracted by 2% trifluoroacetic acid at 4 degrees C. Sephadex G50 gel filtration of crude extract revealed one main molecular form of CCK, detected by a carboxy-terminal antibody …
Cholecystokinin-like immunoreactivity (CCK-LI) in 0.9 kg human brain was extracted by 2% trifluoroacetic acid at 4 …
12 results