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1 TFA absorbs as a strong sharp peak (1675 cm(-1)) within
2 TFA content had decreased in this product category, whil
3 TFA content ranged between 0.17 g and 0.22 g/100 g produ
4 TFA estimation using network component analysis is an ef
5 TFA protocols were validated by homogeneous quantificati
6 TFA titration study of 4c using UV-vis and fluorescence
7 TFAs and polyunsaturated fatty acids (PUFAs) in the food
8 -renal fat thickness over 15 mm (P = 0.006), TFA over the median (>233 cm; P = 0.023), and VFA over t
11 igh-grade prostate cancer (quartile 4 vs. 1: TFA 18:1, OR = 0.55, 95% CI: 0.30, 0.98; TFA 18:2, OR =
12 mption, as well as trans-18:1 and trans-18:2 TFA consumption, was independently associated with HRV i
16 the discovery and application of Pd(DMSO)(2)(TFA)(2) as a catalyst for direct dehydrogenation of cycl
17 s was performed by a chemical method with 2M TFA at 100 degrees C and 120 degrees C and a combined ac
21 djusted geometric means for the sum of the 4 TFAs were 81.4 mumol/L (95% CI: 77.3, 85.6 mumol/L) and
22 s, [Pd4(CO)4(OAc)4Pd(acac)2] 1 and [Pd4(CO)4(TFA)4Pd(acac)2] 2, and an infinite Pd-Pt heterometallic
23 de chain, cleavage from the resin using 2-5% TFA in DCM, and reduction of the resulting diazonium sal
24 , 95% confidence interval (CI): 1.34, 4.65); TFA 18:1 and TFA 18:2 were linearly and inversely associ
26 rboxylate (L-DMTC) with simple Bronsted acid TFA is reported as the suitable synergistic catalyst for
28 studies has suggested that trans fatty acid (TFA) consumption may be associated with insulin resistan
29 ork, a strategy to produce trans fatty acid (TFA) free (or low TFA) products from partially hydrogena
30 e relation between dietary trans fatty acid (TFA) intake and coronary artery disease risk is well est
32 Bs) in combination with trifluoracetic acid (TFA) vapor exposure for the imaging of lipids in mouse b
33 sulfonic acid (BA) and trifluoroacetic acid (TFA) as the mixed ion-pairing reagents was developed and
35 )) solution containing trifluoroacetic acid (TFA) has been studied by transient and steady-state volt
36 study on the effect of trifluoroacetic acid (TFA) on the hydrogen atom transfer (HAT) reactions from
37 lutions of either 0.1% trifluoroacetic acid (TFA) or low-molarity (100, 50, 20, and 5 mM) ethylenedia
38 oacetic acid (TCA) and trifluoroacetic acid (TFA) resulted in lower recovery compared to AA (37% and
39 des on hydrolysis with trifluoroacetic acid (TFA) results in peptides that have a 4-formyl-benzamido
40 gas-phase reaction of trifluoroacetic acid (TFA) with two Criegee intermediates, formaldehyde oxide
41 In dichloromethane or trifluoroacetic acid (TFA), the reaction between 1 and ethylene produces Au(OA
47 -carbonitriles in neat trifluoroacetic acid (TFA); (2) a Pd(OAc)2 (10 mol %) or CuI (10 mol %) mediat
51 icantly higher amounts of trans fatty acids (TFA) were found in hard margarines (up to 28.84% of tota
52 cy, in terms of yields of total fatty acids (TFA), was in the order: chloroform/methanol>ethanol>hexa
54 erning the declaration of trans fatty acids (TFAs) content in the nutritional facts panel of processe
55 ts of naturally occurring trans fatty acids (TFAs) from ruminant animals (rTFA), such as vaccenic aci
57 nada to reduce industrial trans fatty acids (TFAs) in foods include mandated inclusion of TFA content
60 he overall consumption of trans fatty acids (TFAs) increases the risk of coronary artery disease.
63 when the sum of SFAs and trans fatty acids (TFAs) was theoretically replaced by total UFAs, PUFAs, o
68 ans isomeric fatty acids [trans fatty acids (TFAs)] with the availability of long-chain polyunsaturat
71 structing the transcription factor activity (TFA), which makes use of the gene expression data and pr
72 length graphitized carbon columns and adding TFA as an acid modifier to a formic acid/reversed phase
73 ion was used to test whether energy-adjusted TFA intake in 1-SD increments was associated with incide
75 in assays using thermofluorimetric analysis (TFA) can limit matrix interference and promote multiplex
76 nce interval (CI): 1.34, 4.65); TFA 18:1 and TFA 18:2 were linearly and inversely associated with ris
79 mparing fTRA (single or biradial access) and TFA (single or bifemoral or combined radial and femoral
80 d that the optimum conditions for pH, BA and TFA condition, type of separating column and flow rate,
83 echnical success was comparable for fTRA and TFA in different Japanese CTO score subgroups after mult
88 l approach (fTRA) and transfemoral approach (TFA) in a large prospective European registry adopting t
89 total, visceral, and subcutaneous fat area (TFA [total fat area], VFA [visceral fat area], and SFA [
90 tative CT for measurement of thigh fat area (TFA), thigh muscle area (TMA), and thigh muscle density
91 opean HFC-1234yf emissions were deposited as TFA within Europe, while the remaining fraction was expo
92 should be improved by replacing atherogenic TFA and SFA with beneficial ones, in order to avoid adve
96 ow that sex modifies the association between TFA intake and stroke; for every 2-g/d increase in TFA i
98 ignificant inverse associations seen between TFAs and LC-PUFAs in pregnant women in 3 different Europ
99 henyl)-2,3-dimethyl-1,4-diaza-1,3-butadiene; TFA = trifluoroacetate] has been reported to give quanti
100 henyl)-2,3-dimethyl-1,4-diaza-1,3-butadiene; TFA is trifluoroacetate] converts benzene, ethylene, and
101 n-carbon bond-forming step is accelerated by TFA and is a rare example of Bronsted acid catalysis in
102 lization on the sample surface is removed by TFA exposure uncovering a wider range of lipid species i
103 sought to determine whether plasma 18-carbon TFA and PUFA concentrations might decrease over time and
104 Total TFA values as well as total 18-carbon TFA values in umbilical vein wall lipids were significan
105 rsely to 18-carbon TFAs but not to 16-carbon TFAs, and at the sixth month of lactation arachidonic ac
107 rse correlations were seen between 18-carbon TFAs and arachidonic and docosahexaenoic acids in both a
108 related significantly inversely to 18-carbon TFAs but not to 16-carbon TFAs, and at the sixth month o
110 oncentration, reactant ratio, acid catalyst (TFA or BF3.OEt2), concentration of acid catalyst, oxidan
112 ogic pathways that may influence circulating TFAs by evaluating associations between common genetic v
113 as cooperative reoxidation of Rh(II) with Cu(TFA)2 and V2O5 proved essential in providing monoalkenyl
116 romatography with flame ionisation detector, TFA was estimated in six commonly used fat/oils in India
117 e development of a rapid method to determine TFAs <1% in edible oils (palm, peanut, soybean and sunfl
118 hange at the meso-positions with deuteriated TFA, and this observation indicates that protonation is
124 investigated the effects of three different TFA (2 common isomers of C18 found in partially hydrogen
126 , (13)C, and (15)N NMR spectroscopy in DMSO, TFA, and DMSO/TFA solutions, where the azide-tetrazole e
127 15)N NMR spectroscopy in DMSO, TFA, and DMSO/TFA solutions, where the azide-tetrazole equilibrium cou
128 ibution percentiles were calculated for each TFA and their sum by age, sex, and race/ethnicity (non-H
129 dated assessment and longitudinally evaluate TFA amounts in the food supply and to determine whether
130 egories had a large proportion that exceeded TFA limits: dairy-free cheeses (100%), frosting (72.0%),
131 ave stearic acid replaced with the following TFA isomers (percentage of energy): 0.1% mixed isomers o
132 d intake studies have provided estimates for TFA concentrations in the US population; however, there
134 hiral ruthenium complex formed in situ from (TFA)2Ru(CO)(PPh3)2 and (R)-BINAP is found to catalyze th
137 +/-2 years, 2008/2010), we assessed habitual TFA intake by food frequency questionnaires in CHS (sepa
139 f acetal to aldehyde occurs via a hemiacetal TFA ester intermediate, which differentiates itself from
142 of TFAs in modifying fetal growth; however, TFA exposure may be a confounding parameter in studies t
144 s of iodine-based reagents [I2, ICl, ICl3, I(TFA)3, I2O4, I2O5, (IO2)2S2O7, (IO)2SO4] indicated that
153 ydes were condensed with dipyrrylmethanes in TFA/dichloromethane to afford good to excellent yields o
154 There has been an impressive improvement in TFA amounts in the Canadian food supply since the termin
156 adjusted models, a 1-SD (2-g/d) increase in TFA intake was associated with an increased risk of any
157 take and stroke; for every 2-g/d increase in TFA intake, there was a 14% increase in the risk of stro
158 t that the higher reaction rates observed in TFA and TFE compared with CH2Cl2 arise from stabilizatio
159 The results indicate an overall reduction in TFA concentrations in the US population and provide a va
160 o heating/frying demonstrated an increase in TFAs (p<0.001), saturated fatty acids (p<0.001) and decr
161 s have resulted in significant reductions in TFAs in the diets of Canadian breastfeeding mothers and
162 n can be explained by many factors including TFA's negative effect on endothelial function and reduce
166 nada set voluntary TFA limits for industrial TFAs added to food and encouraged substitution of TFAs w
168 urage the food industry to voluntarily limit TFA content in all vegetable oils and soft margarines an
169 food manufacturers and restaurants to limit TFAs in foods have resulted in significant reductions in
170 produce trans fatty acid (TFA) free (or low TFA) products from partially hydrogenated soybean oil by
172 (P < 0.05) among some foods with the lowest TFAs, such as cookies, brownies and squares, cakes with
174 ples from 1999-2000 and 2009-2010.Four major TFAs [palmitelaidic acid (C16:1n-7t), trans vaccenic aci
181 rcentage of fat, proportion of foods meeting TFA limits, and saturated fat amounts in foods with high
189 by proton NMR spectroscopy, but addition of TFA gave rise to the formation of weakly diatropic dicat
190 ochromic properties in solution: addition of TFA leads to the opening of the furan ring and addition
193 No longitudinal follow-up assessment of TFA amounts in foods has occurred in Canada since termin
198 onsidering the undesirable health effects of TFA, appropriate guidelines for heating/re-frying of edi
201 TFAs) in foods include mandated inclusion of TFA content on food labels and recommendations by Health
203 percentage of energy): 0.1% mixed isomers of TFA (control), approximately 3% VA, approximately 3% iTF
205 The direct-readout, differential nature of TFA also promoted assay consistency and minimized calibr
207 with a pyrrole dialdehyde in the presence of TFA, followed by oxidation with DDQ, afforded good yield
208 with a pyrrole dialdehyde in the presence of TFA, followed by oxidation with ferric chloride, to give
210 The consequences are explored for removal of TFA from the atmosphere by reaction with biogenic Criege
212 these results future occasional sampling of TFA in the atmospheric environment should be considered.
213 issions surpass amounts used here studies of TFA accumulation in endorheic basins and other sensitive
215 This study was a cross-sectional analysis of TFAs, cis-MUFAs, SFAs, and PUFAs measured in plasma befo
216 This change in plasma concentrations of TFAs is consistent with changes in fatty acid compositio
220 linear correlation between the percentage of TFAs in the diet and human milk fat established by Craig
221 ible to draw firm conclusions on the role of TFAs in modifying fetal growth; however, TFA exposure ma
223 lation; however, there is a need for data on TFA blood concentrations in the population.The objective
224 o seen to be significantly less dependent on TFA-ion pairing, making it ideal for MS applications whe
225 n in sweet bakery products, with emphasis on TFA, on the Swedish market and compare fatty acid compos
231 l course of amidopalladation in the (IMes)Pd(TFA)2(H2O)-catalyzed aerobic oxidative amidation of alke
232 In this study, the mechanism of (IMes)Pd(TFA)2(H2O)-catalyzed oxidative heterocyclization of (Z)-
233 ed as arylating agents in the presence of Pd(TFA)2 and a chiral, commercially available, bisoxazoline
234 minimal kinetic influence on the rate of Pd(TFA)2-catalyzed dehydrogenation of cyclohexanone to cycl
235 ective of this study was to determine plasma TFA concentrations in a nationally representative group
236 ime trend (R(2) = 0.167, P < 0.0001), plasma TFAs decreased by 13.5%/y (95% CI: -22.7, -3.2%/y; absol
237 ks of CVD mortality when replacing SFAs plus TFAs with total UFAs [HR in quintile 5 compared with qui
238 ontinuous analyses, replacement of SFAs plus TFAs with total UFAs, PUFAs, or cis MUFAs (per 5% of ene
239 ow that homogeneous, one step (mix-and-read) TFA methods can be extended to the analysis of both a sm
240 ce TFAs in foods that exceed the recommended TFA limits and to minimize the use of saturated fats in
241 n by the food industry is required to reduce TFAs in foods that exceed the recommended TFA limits and
242 variate-adjusted linear regression to relate TFA consumption to HRV cross-sectionally (CHS, Porto) an
246 styrene using the Rh(I) catalyst ((Fl)DAB)Rh(TFA)(eta(2)-C2H4) [(Fl)DAB = N,N'-bis(pentafluorophenyl)
247 , we report that the Rh catalyst ((Fl)DAB)Rh(TFA)(eta(2)-C2H4) [(Fl)DAB is N,N'-bis(pentafluorophenyl
252 imated from the TFA human milk fat data that TFA intake of Canadian breastfeeding mothers was 0.9%, 0
254 important proof of principle indicating that TFA-12 could be a potential therapeutic compound for mye
255 e data for the adult US population show that TFA concentrations were 54% lower in NHANES 2009-2010 th
257 uation of mouse EAE spinal cords showed that TFA-12 treatment reduces inflammation, astrogliosis, and
262 he cascade reaction pathway presented by the TFA-mediated conversion of acetals and ketals to carbony
263 t is derived from fat, we estimated from the TFA human milk fat data that TFA intake of Canadian brea
266 H NMR experimental results revealed that the TFA-mediated transformation of acetal to aldehyde occurs
267 n of the reaction medium with respect to the TFA/TFAA mixture (substrate concentration) have a remark
269 tadelta(13)C(EA/LC-IRMS) = 8.8 per thousand, TFA Deltadelta(13)C(EA/LC-IRMS) = 6.0 per thousand).
271 ailable 1,2-anhydrosugar with KSCN using TiO(TFA)(2) as catalyst, followed by S-alkylation and acetyl
272 onary intervention is a valid alternative to TFA with a high rate of success, low complication rates,
274 ide d-Hot horizontal lineTap is resistant to TFA and thus can serve as a bioorthogonal modification o
277 e 24-hour recalls in Porto (estimating total TFA only, which in a subset correlated with circulating
281 NMR evidence, we have proposed that the two TFA esters are formed in two separate steps via a differ
288 present in this peptide and evaluate whether TFA affects the stability of GXXGlp during thermal stres
291 (53.6% female) in highly urban counties with TFA restrictions and 3.3 million adults (52.3% female) i
292 pre-post study of residents in counties with TFA restrictions vs counties without restrictions from 2
296 triction implementation, the population with TFA restrictions experienced significant additional decl
299 protected mono- and pseudodisaccharides with TFA in anhydrous CH2Cl2 and 3,4-(methylenedioxy)toluene
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