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1 n, from the elemental ratios of nitrogen and fluorine.
2 icularly accessible to the interactions with fluorine.
3 arious aliphatic carboxylic acid groups with fluorine.
4 nown protein inhibitors upon introduction of fluorine.
5 ed a spiro-fused ring system: azoniabenzo[de]fluorine.
6 tudy, a public NSCLC data set that contained fluorine 18 ((18)F) fluoro-2-deoxyglucose positron emiss
8 cyte-M-CSF (GM-CSF) and its implications for fluorine 18 ((18)F) fluorodeoxyglucose (FDG) imaging of
9 sessment of tissue-specific insulin-mediated fluorine 18 ((18)F) fluorodeoxyglucose (FDG) influx rate
10 e the performance characteristics of interim fluorine 18 ((18)F) fluorodeoxyglucose (FDG) positron em
13 onents of glucose metabolism, exemplified by fluorine 18 ((18)F) fluorodeoxyglucose (FDG) positron em
14 that positron emission tomography (PET) with fluorine 18 ((18)F) fluorthanatrace (FTT) depicts activa
15 d finding that was further investigated with fluorine 18 ((18)F) flurodeoxyglucose (FDG) positron emi
16 identify quantitative imaging biomarkers at fluorine 18 ((18)F) positron emission tomography (PET) f
17 temetamol injection labeled with radioactive fluorine 18 (Vizamyl; GE Healthcare) administration foll
18 he established patterns of hypometabolism on fluorine 18 fluorodeoxyglucose (FDG) positron emission t
19 trinsic contrast of melanin in comparison to fluorine 18 fluorodeoxyglucose (FDG) positron emission t
20 Purpose To assess the diagnostic accuracy of fluorine 18 fluorodeoxyglucose (FDG) positron emission t
21 he correlation between metabolic activity at fluorine 18 fluorodeoxyglucose (FDG) positron emission t
23 ts suspected of having abdominal or thoracic fluorine 18 fluorodeoxyglucose (FDG)-positive lesions un
24 rials and Methods Between 2010 and 2013, 219 fluorine 18 fluorodeoxyglucose PET examinations were per
25 etail methods for controlling the quality of fluorine 18 fluorodeoxyglucose PET imaging conditions to
26 ndmark finding relied on the use of clinical fluorine 18 fluorodeoxyglucose positron emission tomogra
27 patients (20.7%) with adequate follow-up had fluorine 18 fluorodeoxyglucose-avid IMLN, with a median
28 temetamol injection labeled with radioactive fluorine 18 positron emission tomography imaging for bra
29 temetamol injection labeled with radioactive fluorine 18 was safe and had high sensitivity and specif
31 orylated tau pathologic findings measured by fluorine 18-labeled AV-1451 ([18F]AV-1451) positron emis
34 Among the beta(+)-emitting radionuclides, fluorine-18 ((18)F) is the isotope of choice for PET, an
35 ty were synthesized (4, 5, and 6), and their fluorine-18 analogs were evaluated for use as positron e
38 erapy with both computed tomography (CT) and fluorine-18 fluorodeoxyglucose positron emission tomogra
40 lled modular build-up approach), introducing fluorine-18 in a fast and efficient manner in a building
41 by late-stage radiofluorination, introducing fluorine-18 in the last step of the synthesis, or by a b
45 lucose homeostasis was studied in mice using fluorine-18 labelled glucose molecular imaging probes an
47 (PTC) (e.g. kryptofix 2.2.2) associated with fluorine-18 preparation has been found to be detrimental
50 series of candidates, radiolabeled them with fluorine-18 radioisotope, and determined their physicoch
51 ctively targeting the ghrelin receptor using fluorine-18 tagged entities would allow localization and
54 1, and glycolytic genes, hk1 and pdk1, lung fluorine-18-labeled 2-fluoro-2-deoxyglucose ligand uptak
56 Although inflammation can be measured using fluorine-18-labeled fluorodeoxyglucose positron emission
58 investigate whether the magnitude of in vivo fluorine 19 ((19)F) magnetic resonance (MR) imaging sign
59 by using free-breathing dynamic fluorinated (fluorine 19 [(19)F]) gas magnetic resonance (MR) imaging
61 arvested at day 2, 7 and 14 for whole-sample fluorine-19 ((19)F) NMR to quantitatively measure the pr
62 no significant effects were observed in the fluorine-19 chemistry when the reaction was heated to 90
65 using unnatural amino acid incorporation and fluorine-19 nuclear magnetic resonance ((19)F-NMR) spect
67 le, ionic, and precursor fraction, and total fluorine after extraction indicate that mass balance was
70 c coating of titanium dioxide, co-doped with fluorine and copper has been prepared on float glass sub
71 erts a stereoelectronic effect comparable to fluorine and introduce oxime ligation as a tool for the
74 to predict that the reactions between atomic fluorine and water tetramer (or even larger water cluste
75 coupling between the SF5-group's equatorial fluorines and proton/carbon nuclei of -H, -CH3, and -OH
76 isostere to exploit the unique properties of fluorine, and 2) using 1,3-interactions to control the c
77 ectroscopy demonstrated that both sulfur and fluorine are present in the coating, indicating the inco
78 6-hexafluorocyclohexane, in which all of the fluorines are 'up', is prepared in a 12-step protocol.
80 oup that complements the traditional role of fluorine as a slightly deactivating aryl substituent in
83 tivity was further enhanced by addition of a fluorine atom adjacent to the phenolic hydroxyl group as
84 clo-DNA series, no short contact between the fluorine atom and the H6 of the base, reminiscent of a n
86 n of the benzylamine moiety, combined with a fluorine atom at the 3-position of the aniline ring, we
88 to measure a relative anchimeric role of the fluorine atom in hydrolysis versus mu-hydrido bridging.
89 h reference compounds that the presence of a fluorine atom increases the in vitro anti-HIV activity,
93 r this transformation have used bench-stable fluorine atom sources; however, many still rely on the u
94 fluorobenzonitrile (2) substituting its para-fluorine atom to form 2-(4-cyanotetrafluorophenyl)-4,4,5
96 placement of one or more hydrogen atoms with fluorine atom(s) is a common tactic to improve potency a
99 nes induces distinct (19)F NMR shifts of the fluorine atoms appended on the ligand that defines a chi
100 uted) is described in which the nitrogen and fluorine atoms are attached to sp(3)-hybridized carbons.
102 ine atoms in the molecule, (2) the number of fluorine atoms at the C2 and C6 positions, and (3) the n
103 an increase in MW as a result of introducing fluorine atoms does not lead to higher risk of P-gp medi
105 signals are created by strategically placing fluorine atoms in close proximity to bound analytes so t
108 bination of three factors: (1) the number of fluorine atoms in the molecule, (2) the number of fluori
109 orbital level: (1) increasing the number of fluorine atoms lowers the energy of the pi*(M identical
110 e carbon increases with increasing number of fluorine atoms on the alkoxide ligands for both molecula
112 hesis of perhexiline analogues incorporating fluorine atoms onto the cyclohexyl ring(s) provided a ra
113 side chains containing between three and 21 fluorine atoms readily polymerize under controlled condi
115 ues by systematically changing the number of fluorine atoms, and we determined high-resolution crysta
116 order to facilitate the design of multipolar fluorine-backbone interactions in protein-ligand complex
117 ein interfaces, we postulate that multipolar fluorine-backbone interactions may represent a particula
119 , and provides access to lactones containing fluorine-bearing stereogenic centers in high enantio- an
121 Ab initio calculations suggest that carbon-fluorine bond formation proceeds via a concerted transit
126 s of the terminal xenon atoms and associated fluorine bridge bonds correspond to the positive sigma-h
127 [XeOXeOXe](2+) cation (C2h symmetry) that is fluorine bridged through its terminal xenon atoms to two
129 ove that the DBDI can be applied to exchange fluorine by oxygen of perfluorinated compounds (PFC).
131 emonstrate here that, somewhat surprisingly, fluorine can be incorporated into the bulk of disordered
132 dopa analogues and show that the presence of fluorine can further fix the position of the ligand in t
133 he glove-box-free palladium-catalysed carbon-fluorine, carbon-nitrogen, and carbon-carbon bond-formin
134 annels, affording the close proximity of the fluorine centers, permitted the enhancement of the CO2-f
135 at the vicinity of the periodically aligned fluorine centers, promoting the selective adsorption of
137 emical properties of the four halogen atoms (fluorine, chlorine, bromine, and iodine) and the diversi
141 ituted ketones can be readily converted into fluorine containing pyrazole derivatives and oxetanes.
144 diazoethanes generated a large number of new fluorine-containing chemical entities for medicinal chem
145 methodology enables the formation of acyclic fluorine-containing compounds in good yields with excell
146 kylammonium cyanide and phenoxide salts) and fluorine-containing electrophiles (e.g., acid fluoride,
148 ties across a variety of fields that exploit fluorine-containing polymers for tailored bulk, interfac
149 clear magnetic resonance signals of a remote fluorine-containing residue located 1 to 2 nanometers aw
150 tionalization approach by utilizing the high fluorine content to systematically build complex biaryls
152 f the (3)J(CH) coupling constant between the fluorine-decoupled (13)CF3 resonance and the vicinal hyd
153 :6',2''-Terpyridyl (tpy) ligands modified by fluorine (dftpy), chlorine (dctpy), or bromine (dbtpy) s
157 xide/platinum-palladium (ZnO/Pt-Pd) modified fluorine doped tin oxide (FTO) glass plate was fabricate
162 ption energy and in water uptake is seen for fluorine-doped carbon, large internal free energy barrie
163 ctro-polymerization of pyrene pyrrole onto a fluorine-doped tin oxide (FTO) electrode allowed the tar
164 NIs) deposited on a glass slide covered with fluorine-doped tin oxide (FTO), which acts as a biosenso
166 O2/mpTiO2/MAPI/Spiro-OMeTAD/Au, where FTO is fluorine-doped tin oxide, sTiO2 indicates solid-TiO2, an
167 ent perovskite solar cells grown directly on fluorine-doped tin oxide-coated substrates without using
171 ough frequently discussed, the origin of the fluorine effect on the reactivity of alpha-fluorinated C
173 ecules are found to undergo further chlorine-fluorine exchange reactions by treatment with silver(I)
174 underwent positron emission tomography with fluorine F 18-labeled N-(2-(2-fluoroethoxy)benzyl)-N-(4-
175 thy control individuals (n = 20) underwent a fluorine F 18-labeled N-(2-(2-fluoroethoxy)benzyl)-N-(4-
176 Here, we report that exothermic reactions of fluorine (F) atoms in d3-acetonitrile and d2-dichloromet
177 been designed and synthesized by introducing fluorine (F) atoms onto the end-capping group 1,1-dicyan
179 Despite the many advantages provided by fluorine for tuning key molecular properties, it is rare
180 uoro- and 3,3-difluoro-GABA with that of the fluorine free parent compound showed that introduction o
181 icating attenuation by biodegradation of the fluorine-free moiety, supported by the observation of li
182 step in the determining regioselectivity in fluorine functionalization is fluoride fragmentation fro
184 tive anode materials, with in situ generated fluorine gas, by using a fluoropolymer, CYTOP, as the pr
190 weight (MWFC), where the molecular weight of fluorine has been subtracted, was found to be a more rel
191 units, consistent with the notion that a 4'-fluorine in 2'-F-araU switches the preferred sugar confo
194 he effects of the strategic incorporation of fluorine in drug molecules and applications in positron
195 studies of derived PNA oligomers containing fluorine in in the acetyl side chain (-CHF-CO-) bearing
196 tions are made for hydrogen bond basicity of fluorine in situations where relevant experimental measu
200 sampling technique for the determination of fluorine in various baby foods via molecular absorption
203 ence reduction on the anion site, offered by fluorine incorporation, opens up significant opportuniti
208 leoside level reveal that introduction of 4'-fluorine introduces a strong bias toward the North confo
210 actions; that is, contrary to common wisdom, fluorine is a good lone pair electron donor toward gemin
212 Here, the authors show that incorporating fluorine is an effective strategy which substantially im
214 ey parameter in design, and incorporation of fluorine is associated with a disproportionate increase
216 mical properties through the introduction of fluorine is of paramount importance in medicinal chemist
220 anostic conjugates 1 and 2, bearing either a fluorine-labeled prosthetic as a potential (18)F-PET rad
222 nt compound showed that introduction of each fluorine lead to acidification of both the amino and the
223 ion of a new carbon-magnesium bond and a new fluorine-magnesium bond and is analogous to Grignard for
225 -F(ReO2F3)2]2 consists of a series of oxygen/fluorine metathesis reactions that are presumably mediat
227 stabilizes the zwitterion and suppresses the fluorine migration, thus providing a convenient and effi
229 MS/MS, and precursors were compared to total fluorine (nmol F/cm(2)) determined by particle-induced g
232 a2-adrenergic receptor (beta2AR) using (19)F-fluorine NMR and double electron-electron resonance spec
233 sses and analyzes ligand-observed proton and fluorine NMR binding data in a fully automated fashion.
236 h a variety of nitrogen, oxygen, sulfur, and fluorine nucleophiles afforded chiral 3,4-disubstituted
237 pi* carbon atom in benzene ring attached to fluorine of levofloxacin was investigated by C K-edge X-
238 umber and site of the fluorine substitution: fluorine on carbon adjacent to the carbonyl group induce
240 set to understand the effect of introducing fluorine on the risk of encountering P-glycoprotein medi
241 erties that accompany the placement of axial fluorines on a cyclohexane and the unusual property of a
242 PhF2,6), which differ by the arrangement of fluorines on the phenylene structural unit, were designe
244 deprotonated at C-6 and reacted with carbon, fluorine, or sulfur electrophiles before the Grignard ad
245 a putative frontside SNi mechanism involving fluorine participation, KIE studies indicate that an ide
246 consistent with a transition state involving fluorine participation; this is also confirmed by a sign
248 ned by PIGE, indicating that the majority of fluorine remains associated with the papers and textiles
252 developed, as evidenced by the high ortho-to-fluorine selectivity observed in the C(sp(2))-H borylati
260 on of AHF provides nitrogen, phosphorus, and fluorine sources for tri-doping with N, P, and F, and si
261 phosphate, or fluorophosphate imidazolide as fluorine sources, we prepared over 30 fluorophosphate-co
263 changes in Tm were detected, attributing the fluorine substituent a neutral role in RNA affinity.
264 -F bond, thus, demonstrating the role of the fluorine substituent in stabilizing the U-shaped conform
266 In this study, we show that changing the 7-fluorine substituent of modulators BPAM97 (2) and BPAM34
268 ted aromatic substrates containing two ortho fluorine substituents adjacent to the C-H bond and 1,2,3
269 at their sugar C2' positions with methoxy or fluorine substituents are stable to nucleases, but they
274 e of mechanism in which chain extension with fluorine-substituted extender units switches largely to
275 tane, acting as a rotator, and a set of five fluorine-substituted iodobenzenes that take the role of
278 (X = H, F) as model systems, the effects of fluorine substitution on main-chain conformations, packi
280 introduction of a benzyl alcohol group and a fluorine substitution, each of which resulted in over 10
281 ated a remarkable electronic effect of the 4-fluorine substitution, while the effect of the 4-methyl
282 ers, dependent on the number and site of the fluorine substitution: fluorine on carbon adjacent to th
283 represent a valuable tool for designing new fluorine substitutions and support ligand optimization i
286 tionally observed for hydrodefluorination of fluorines that can undergo intramolecular hydrogen bonds
288 u or added separately, serves as a source of fluorine to generate the fluorodecarboxylation products.
290 d to nonfluorinated methane, the addition of fluorine to the substrate assists the reactivity through
291 bility of a range of anions, some containing fluorine, to block (99m)TcO4(-) uptake in hNIS-expressin
292 bility of a range of anions, some containing fluorine, to block (99m)TcO4(-) uptake in hNIS-expressin
293 ro-2-methylbenzamides undergo chemoselective fluorine transfer to provide the corresponding fluorides
294 talyst composed of nitrogen, phosphorus, and fluorine tri-doped graphene is reported, which was obtai
299 ygen cleaves from graphene more readily than fluorine, which in turn cleaves more readily than hydrog
300 dinary enhancement of the oxidizing power of fluorine with strong Lewis acids had previously not been
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