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biochemistry & molecular biology (322) 322
tfa, trifluoroacetic acid (320) 320
tfa (255) 255
amino acid sequence (253) 253
trifluoroacetic acid (237) 237
animals (218) 218
molecular sequence data (214) 214
biophysics (204) 204
humans (152) 152
cell biology (122) 122
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hplc (81) 81
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research article (56) 56
protein conformation (52) 52
kinetics (48) 48
expression (47) 47
rats (47) 47
circular dichroism (46) 46
dtt, dithiothreitol (44) 44
proteins (40) 40
hplc, high-performance liquid chromatography (39) 39
protein (39) 39
hplc, high performance liquid chromatography (38) 38
peptides - chemistry (38) 38
male (37) 37
cattle (36) 36
high performance liquid chromatography (36) 36
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peptides (35) 35
electrophoresis, polyacrylamide gel (34) 34
binding sites (33) 33
female (32) 32
substrate specificity (32) 32
base sequence (31) 31
models, molecular (31) 31
molecular weight (31) 31
article (30) 30
identification (29) 29
sequence homology, amino acid (29) 29
hydrogen-ion concentration (28) 28
purification (28) 28
cloning, molecular (27) 27
peptide (27) 27
cd, circular dichroism (26) 26
high-performance liquid chromatography (25) 25
life sciences (25) 25
boc (24) 24
oxidation-reduction (24) 24
rp-hplc (24) 24
binding (23) 23
chemistry, analytical (23) 23
magnetic resonance spectroscopy (23) 23
peptides - metabolism (23) 23
protein structure, secondary (23) 23
phosphorylation (22) 22
protein binding (22) 22
structure-activity relationship (22) 22
bsa, bovine serum albumin (21) 21
peptide fragments - chemistry (21) 21
protein folding (21) 21
hydrolysis (20) 20
mass-spectrometry (20) 20
sds (20) 20
analysis (19) 19
biochemical research methods (19) 19
cells, cultured (19) 19
cloning (19) 19
dithiothreitol (19) 19
dmf (19) 19
dtt (19) 19
protein structure, tertiary (19) 19
pth, phenylthiohydantoin (19) 19
sequence alignment (19) 19
amino acids - analysis (18) 18
catalysis (18) 18
cells (18) 18
chemistry, organic (18) 18
crystal-structure (18) 18
spectrometry, mass, matrix-assisted laser desorption-ionization (18) 18
cell line (17) 17
dimethylformamide (17) 17
domain (17) 17
glycosylation (17) 17
nmr (17) 17
sequence (17) 17
amino-acid-sequence (16) 16
chemistry (16) 16
fmoc (16) 16
liquid chromatography (16) 16
recombinant proteins - metabolism (16) 16
chromatography, gel (15) 15
escherichia coli - genetics (15) 15
esi, electrospray ionization (15) 15
food science & technology (15) 15
in vitro techniques (15) 15
sds-page (15) 15
dcm, dichloromethane (14) 14
mutagenesis, site-directed (14) 14
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1. Full Text Trifluoroacetic acid: Uses and recent applications in organic synthesis
by López, Simón E and Salazar, José
Journal of Fluorine Chemistry, ISSN 0022-1139, 12/2013, Volume 156, pp. 73 - 100
Trifluoroacetic acid (TFA), discovered at the early 20th century, has been widely used in organic synthesis as a solvent, catalyst and reagent. Many chemical... 
Organic synthesis | Trifluoromethyl group | Trifluoroacetic acid | Reagent | Solvent | TFA | CROSS-COUPLING REACTION | ONE-POT SYNTHESIS | IONIC HYDROGENATION | BAEYER-VILLIGER OXIDATION | CHEMISTRY, ORGANIC | BIOMIMETIC POLYENE CYCLIZATIONS | CHEMISTRY, INORGANIC & NUCLEAR | SODIUM-BOROHYDRIDE | PD(II)-CATALYZED ORTHO-TRIFLUOROMETHYLATION | TRANSFER RADICAL CYCLIZATION | PROTECTING GROUPS | HYDRIDE TRANSFER-REACTIONS | Organic chemistry | Solvents | Synthesis | Fluorine | Communities | Condensing | Transformations | Functional groups
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2. Full Text Metrologically traceable quantification of trifluoroacetic acid content in peptide reference materials by F-19 solid-state NMR
by Brinkmann, A and Raza, M and Melanson, JE
METROLOGIA, ISSN 0026-1394, 04/2019, Volume 56, Issue 2
Although solution-state NMR is frequently used in metrologically-traceable quantification studies, this is not the case for solid-state NMR. However,... 
SIGNAL | PHYSICS, APPLIED | CELLULOSE I | CONTACT CROSS-POLARIZATION | NUCLEAR-MAGNETIC-RESONANCE | peptides | SIMPLE TOOL | traceability | TFA | ACTIVE PRINCIPLES | quantitative solid-state NMR | INSTRUMENTS & INSTRUMENTATION | QUANTITATIVE NMR | qNMR | ASSIGNMENT | F-19 NMR | C-13 NMR | SPECTRA
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3. Full Text Infrared study of trifluoroacetic acid unpurified synthetic peptides in aqueous solution: Trifluoroacetic acid removal and band assignment
by Valenti, Laura E and Paci, Maximiliano Burgos and De Pauli, Carlos P and Giacomelli, Carla E
Analytical Biochemistry, ISSN 0003-2697, 2011, Volume 410, Issue 1, pp. 118 - 123
Synthetic peptide or protein samples are mostly unpurified with trifluoroacetic acid (TFA) used during the synthesis procedure, which strongly interferes with... 
Hexahistidine | TFA subtraction | Semiempirical calculations | ATR–IR | Band assignment | ATR-IR | CHEMISTRY, ANALYTICAL | PROTEIN SECONDARY STRUCTURE | SOLID-PHASE SYNTHESIS | BIOCHEMISTRY & MOLECULAR BIOLOGY | BIOCHEMICAL RESEARCH METHODS | MEMBRANES | CONFORMATION | MODEL | ADSORPTION | SPECTROSCOPY | FTIR | SPECTRA | TIO2 | Artifacts | Spectrophotometry, Infrared - methods | Trifluoroacetic Acid - chemistry | Solutions | Water - chemistry | Protein Conformation | Statistics as Topic - methods | Histidine - chemistry | Subtraction Technique | Oligopeptides - chemistry | Trifluoroacetic Acid - isolation & purification | Hydrogen-Ion Concentration | Peptides | Histidine
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4. Full Text The first experimental observation of the higher-energy trans conformer of trifluoroacetic acid
by Apóstolo, R.F.G and Bazsó, Gábor and Bento, R.R.F and Tarczay, G and Fausto, R
Journal of Molecular Structure, ISSN 0022-2860, 12/2016, Volume 1125, pp. 288 - 295
We report here the first experimental observation of the higher-energy conformer of trifluoroacetic acid ( -TFA). The new conformer was generated by selective... 
NIR-Induced in situ generation of trans-TFA | Matrix-isolation IR spectroscopy | Tunneling decay rates | Trifluoracetic acid | Quantum chemical calculations | FORMIC-ACID | ROTATIONAL-ISOMERISM | CORRELATED MOLECULAR CALCULATIONS | TUNNELING LIFETIME | CHEMISTRY, PHYSICAL | ACETIC-ACID | LIQUID-CHROMATOGRAPHY | INFRARED MATRIX-ISOLATION | VIBRATIONAL SPECTROSCOPY | LOW-TEMPERATURE MATRICES | GAUSSIAN-BASIS SETS | Hydrogen | Hydrogen bonding | Bonds | Organic acids | Force and energy
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5. Full Text Synthesis, characterization, and utility of trifluoroacetic acid lanthanide precursors for production of varied phase fluorinated lanthanide nanomaterials
by Boyle, Timothy J and Yonemoto, Daniel T and Sears, Jeremiah M and Treadwell, LaRico J and Bell, Nelson S and Cramer, Roger E and Neville, Michael L and Stillman, Gregory A.K and Bingham, Samuel P
Polyhedron, ISSN 0277-5387, 07/2017, Volume 131, Issue C, pp. 59 - 73
A series of lanthanide trifluoroacetic acid (H-TFA) derivatives were crystallographically characterized from the reaction of Ln(N(SiMe ) ) with (xs)H-TFA.... 
Metal carboxylates | Scintillators | Trifluoroacetic acid | TFA | Crystal structure | SYSTEM | CRYSTAL-STRUCTURE | NANOCRYSTALS | COMPLEXES | CRYSTALLOGRAPHY | RARE-EARTH FLUORIDE | CHEMISTRY, INORGANIC & NUCLEAR | NANOPARTICLES | UP-CONVERSION FLUORESCENCE | WATER | Rare earth metals | Pyridine | Carbonates | Structure | Crystals
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6. Full Text Value-Added Esterification for the Recovery of Trifluoroacetic Acid: Batch Kinetics and Reactive Distillation Studies
by Talnikar, Vivek D and Talnikar, Vivek D and Deorukhkar, Onkar A and Deorukhkar, Onkar A and Katariya, Amit and Katariya, Amit and Mahajan, Yogesh S and Mahajan, Yogesh S
Chemical Engineering Communications, ISSN 0098-6445, 03/2017, Volume 204, Issue 3, pp. 356 - 364
The present work explores the recovery of trifluroacetic acid (TFA) by reactive distillation (RD) from dilute aqueous solutions. For this purpose, the reaction... 
Methyl trifluoroacetate (MTFA) | Reactive distillation (RD) | Process intensification (PI) | Trifluoroacetic acid (TFA) | Recovery | Esterification | LACTIC-ACID | AQUEOUS-SOLUTIONS | COLUMN | EXCHANGE RESINS | ACETIC-ACID | ENGINEERING, CHEMICAL | CATALYSTS | Aqueous chemistry | Kinetics | Acids | Chemical engineering | Distillation | Design parameters | Methyl alcohol | Reaction kinetics | Regression | Conversion
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7. Full Text Temperature-controlled Cascade Reaction of Phloroglucinoltribenzyl Ether Promoted by Trifluoroacetic Anhydride and Trifluoroacetic Acid
by LI Bonan DU Lijun LI Jianqi
高等学校化学研究：英文版, ISSN 1005-9040, 2016, Volume 32, Issue 3, pp. 380 - 384
We report the first trifluoroacetic anhydride- and trifluoroacetic acid-promoted cascade reaction with phloroglucinoltribenzyl ether and carboxylic acid as... 
级联 | 醚 | 三氟乙酸酐 | 物料 | 反应过程 | 温度控制 | Cascade reaction | Trifluoroacetic acid(TFA) | Trifluoroacetic anhydride(TFAA) | Phloroglucinol | ANTIOXIDANT ACTIVITY | UVARIA-CHAMAE | ANNULATION | ACYLATION | FLAVONOIDS | AROMATIC-COMPOUNDS | CHEMISTRY, MULTIDISCIPLINARY | COUMARINS | PHENOLS | DERIVATIVES | EFFICIENT
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8. Full Text Regioselective dehydrogenation of 3-keto-steroids to form conjugated enones using o-iodoxybenzoic acid and trifluoroacetic acid catalysis
by Iida, Takashi and Omura, Kaoru and Sakiyama, Ryou and Kodomari, Mitsuo
Chemistry and Physics of Lipids, ISSN 0009-3084, 02/2014, Volume 178, pp. 45 - 51
Mild and regioselective conversion of 3-keto-5α- and 3-keto-5β-steroids ( A/B- and A/B-ring juncture, respectively) to the corresponding enones (Δ - and Δ... 
Thin-layer chromatography (TLC) | High-resolution atmospheric pressure chemical ionization mass spectrometry (HR-APCI-MS) | Trifluoroacetic acid (TFA) | High-resolution electrospray ionization mass spectrometry (HR-ESI-MS) | Nuclear magnetic resonance (NMR) | o-Iodoxybenzoic acid (IBX) | High-resolution atmospheric pressure chemicalionization mass spectrometry (HR-APCI-MS) | OXIDATION | METABOLITES | BIOPHYSICS | BIOCHEMISTRY & MOLECULAR BIOLOGY | EFFICIENT SYNTHESIS | o-lodoxybenzoic acid (IBX) | BILE | Trifluoroacetic Acid - chemistry | Iodobenzenes - chemistry | Ketones - chemical synthesis | Stereoisomerism | Dimethyl Sulfoxide - chemistry | Ketones - chemistry | Ketosteroids - chemistry | Dehydrogenation | Catalysis
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9. Full Text A reversibly transformable chromatic system of the (octaethylporphyrin)-(dihexylbithiophene)-(Lewis base) triads. An evaluation of stereo-electronically controlled effects of dihexylbithiophene and Lewis base on its sensitivity and stability to trifluoroacetic acid
by Kempe, Hideto and Yoshino, Junro and Hayashi, Naoto and Higuchi, Hiroyuki
Tetrahedron, ISSN 0040-4020, 02/2015, Volume 71, Issue 8, pp. 1322 - 1333
The extended π-electronic conjugation system of the (octaethylporphyrin)-(dihexylbithiophene)-(Lewis base) triads [OEP-DHBTh-LB] exhibits the proton-mediated... 
Lone pair electrons | Chromatic system | Dihexylbithiophene | Octaethylporphyrin | Lewis base | TFA | LAYERED COMPOUNDS | PYRIDINIUM | DRIVEN SPECTRAL CHANGES | COMPLEXES | CHEMISTRY, ORGANIC | DIACETYLENE LINKAGE | PORPHYRIN | METHODOLOGY | NICKEL | Constituents | Stability | Interactive | Spectra | Conjugation | Nuclear magnetic resonance | Guidelines
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10. Full Text Qualitative and quantitative analyses of methamphetamine in hair following derivatization with trifluoroacetic acid or heptafluorobutyric acid anhydride
by Forouzesh, Mehdi and Shekari, Ahmad and Valipour, Rooholah
Cogent Chemistry, ISSN 2331-2009, 01/2018, Volume 4, Issue 1
Illicit drug use and its consequence necessitate the development of identification methods for the target drugs in biological materials. Methamphetamine (MA)... 
GC-MS | HFBA | methamphetamine | TFA | human hair | Urine | Procurement | Anhydrides | Hair | Target recognition | Acidic oxides | Identification methods | Methamphetamine | Biological materials | Gas chromatography | Acids | Qualitative analysis | Mass spectrometry
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11. Full Text Doehlert matrix design for optimization of the determination of bound deoxynivalenol in barley grain with trifluoroacetic acid (TFA)
by Zhou, Bing and Li, Yin and Gillespie, James and He, Guo-Qing and Horsley, Richard and Schwarz, Paul
Journal of Agricultural and Food Chemistry, ISSN 0021-8561, 12/2007, Volume 55, Issue 25, pp. 10141 - 10149
Fusarium head blight (FHB) is an impediment to barley production in many regions of the world. Tricothecene toxins, associated with FHB-infected grain,... 
Bound deoxynivalenol | Optimization | TFA | Doehlert matrix design | LINKED-IMMUNOSORBENT-ASSAY | FOOD SCIENCE & TECHNOLOGY | bound deoxynivalenol | WHEAT | SUGARS | PERFORMANCE LIQUID-CHROMATOGRAPHY | MYCOTOXIN DEOXYNIVALENOL | B-TRICHOTHECENE | optimization | SCAB | AGRICULTURE, MULTIDISCIPLINARY | MAIZE | CHEMISTRY, APPLIED | FUSARIUM-GRAMINEARUM | ZEARALENONE | Regression Analysis | Trichothecenes - metabolism | Trifluoroacetic Acid | Plant Diseases - microbiology | Seeds - chemistry | Hordeum - chemistry | Fusarium - metabolism | Hordeum - microbiology | Trichothecenes - analysis
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