| Publication |
Sentence |
Publish Date |
Extraction Date |
Species |
| José P L Roque, Cláudio M Nunes, Peter R Schreiner, Rui Faust. Hydrogen Tunneling Exhibiting Unexpectedly Small Primary Kinetic Isotope Effects. Chemistry (Weinheim an der Bergstrasse, Germany). 2024-05-06. PMID:38709063. |
these sequential qmt transformations were also observed in the od-deuterated sample, and unexpected primary h/d kies between 3 and 4 were measured at 3 to 20 k. analogous residual primary h/d kies were found in the anti to syn oh-rotamerization qmt of 2-cyanophenol in a n2 matrix. |
2024-05-06 |
2024-05-08 |
Not clear |
| José P L Roque, Cláudio M Nunes, Peter R Schreiner, Rui Faust. Hydrogen Tunneling Exhibiting Unexpectedly Small Primary Kinetic Isotope Effects. Chemistry (Weinheim an der Bergstrasse, Germany). 2024-05-06. PMID:38709063. |
a 2-hydroxyphenylnitrene, generated in n2 matrix, was found to isomerize to an imino-ketone via sequential (domino) qmt involving anti to syn oh-rotamerization (rate determining step) and [1,4]-h shift reactions. |
2024-05-06 |
2024-05-08 |
Not clear |
| Sabine A Tanner, Christophe Lacroix, Christophe Del'Homme, Christoph Jans, Annina Zihler Berner, Annick Bernalier-Donadille, Christophe Chassar. Effect of Bifidobacterium thermophilum RBL67 and fructo-oligosaccharides on the gut microbiota in Göttingen minipigs. The British journal of nutrition. vol 114. issue 5. 2015-11-10. PMID:26313935. |
minipigs were fed a basal diet supplemented with 8 g/d probiotic powder (1×109 cfu/g in skim milk matrix) (probiotic diet (pro)), 8 g/d probiotic powder plus 8 g/d fos (synbiotic diet (syn)) or 8 g/d skim milk powder (control), following a cross-sectional study design. |
2015-11-10 |
2023-08-13 |
Not clear |
| Luis A Ramos, Sonia E Ulic, Rosana M Romano, Mauricio F Erben, Christian W Lehmann, Eduard Bernhardt, Helmut Beckers, Helge Willner, Carlos O Della Védov. Vibrational spectra, crystal structures, constitutional and rotational isomerism of FC(O)SCN and FC(O)NCS. Inorganic chemistry. vol 49. issue 23. 2011-03-18. PMID:21058702. |
for fc(o)scn, the conformational enthalpy difference, Δh° = h°(anti) - h°(syn), was determined by matrix ir experiments to be 0.9 ± 0.2 kcal mol(-1). |
2011-03-18 |
2023-08-12 |
Not clear |
| G D'Andrea, A Leo. Pathogenesis of migraine: from neurotransmitters to neuromodulators and beyond. Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology. vol 31 Suppl 1. 2010-08-17. PMID:20464574. |
the unbalanced levels of neurotransmitters (da and ne) and neuromodulators (tyr, oct and syn) in the synaptic dopaminergic and noradrenergic clefts of the pain matrix may activate, downstream, the trigeminal system that releases calcitonin gene-related g peptide. |
2010-08-17 |
2023-08-12 |
Not clear |
| Marlene Cuaquira Reina, Roland Boese, Maofa Ge, Sonia E Ulic, Helmut Beckers, Helge Willner, Carlos O Della Védov. Synthesis, spectroscopic characterization, and conformational properties of trichloromethanesulfenyl acetate, CCl3SOC(O)CH3. The journal of physical chemistry. A. vol 112. issue 34. 2008-09-23. PMID:18671379. |
according to our data, this compound results in a gauche-syn conformer with c 1 symmetry (gauche orientation around the s-o bond and syn orientation of the co double bond with respect to the s-o single bond) for the most stable geometry, and trans-syn conformer with c s symmetry (trans orientation around the s-o bond and syn orientation of the co double bond with respect to the s-o single bond) for the second stable conformer (1.1 and 0.53 kcal/mol higher in energy than the most stable c 1 form according to the matrix ftir spectroscopy and mp2/6-31g* level of the theory, respectively). |
2008-09-23 |
2023-08-12 |
Not clear |
| Jovanny A Gómez Castaño, A Lorena Picone, Rosana M Romano, Helge Willner, Carlos O Della Védov. Early barriers in the matrix photochemical formation of syn-anti randomized FC(O)SeF from the OCSe:F(2) complex. Chemistry (Weinheim an der Bergstrasse, Germany). vol 13. issue 33. 2008-01-28. PMID:17696184. |
subsequent irradiation of the matrix leads to randomized fc(o)sef by a photochemically induced conformational equilibrium between syn and anti forms. |
2008-01-28 |
2023-08-12 |
Not clear |
| Rosana M Romano, Carlos O Della Védova, Anthony J Down. Methanesulfenyl fluoride, CH3SF, a missing link in the family of sulfenyl halides: formation and characterization through the matrix photochemistry of methyl thiofluoroformate, FC(O)SCH3. Chemistry (Weinheim an der Bergstrasse, Germany). vol 13. issue 29. 2007-11-26. PMID:17639538. |
broadband uv-visible irradiation of methyl thiofluoroformate, fc(o)sch3, isolated in a solid ar matrix results, first, in photoisomerization of the syn into the anti form of the molecule, and, subsequently, in the elimination of co with the concomitant formation of ch3sf. |
2007-11-26 |
2023-08-12 |
Not clear |
| Leszek Lapinski, Maciej J Nowak, Andrzej L Sobolewski, Borys Kierdaszu. Photoisomerizations of N4-hydroxycytosines. The journal of physical chemistry. A. vol 110. issue 15. 2007-08-30. PMID:16610822. |
depending on the absence or presence of the methyl substituent at n3 or c5 atoms (or at both of them) the syn or anti form of the compounds (or a mixture of both forms) was trapped from the gas phase into a low-temperature matrix. |
2007-08-30 |
2023-08-12 |
Not clear |
| Frank Trautner, Khodayar Gholivand, Plácido García, Helge Willner, Mauricio F Erben, Carlos O Della Védova, Heinz Oberhamme. Perfluoromethyl fluorocarbonyl peroxide, CF3OOC(O)F: structure, conformations, and vibrational spectra studied by experimental and theoretical methods. Inorganic chemistry. vol 42. issue 9. 2003-12-09. PMID:12716204. |
matrix ir spectra imply a mixture of syn and anti conformers (orientation of the c=o bond relative to the o-o bond) with deltah degrees = h(anti) degrees - h(syn) degrees = 2.16(22) kcal/mol. |
2003-12-09 |
2023-08-12 |
Not clear |
| Leszek Lapinski, Maciej J Nowak, Józef S Kwiatkowski, Jerzy Leszczynsk. Photochemical syn-anti isomerization reactions in N2-hydroxyisocytosines--an experimental matrix isolation and theoretical study. Photochemistry and photobiology. vol 77. issue 3. 2003-05-27. PMID:12685650. |
for n2-hydroxyisocytosine isolated in an ar matrix (at 10 k), two imino-oxo isomers, one with the hydroxyimino =n-oh group directed toward the n1-h group (the form called further anti) and the second with the =n-oh group directed toward n3-h (syn), were observed in the ratio 1.4:1. |
2003-05-27 |
2023-08-12 |
Not clear |
| Leszek Lapinski, Maciej J Nowak, Józef S Kwiatkowski, Jerzy Leszczynsk. Photochemical syn-anti isomerization reactions in N2-hydroxyisocytosines--an experimental matrix isolation and theoretical study. Photochemistry and photobiology. vol 77. issue 3. 2003-05-27. PMID:12685650. |
for 1-methyl-n2-hydroxyisocytosine, only the syn form of the imino-oxo tautomer was observed after deposition of the matrix. |
2003-05-27 |
2023-08-12 |
Not clear |
| Leszek Lapinski, Maciej J Nowak, Józef S Kwiatkowski, Jerzy Leszczynsk. Photochemical syn-anti isomerization reactions in N2-hydroxyisocytosines--an experimental matrix isolation and theoretical study. Photochemistry and photobiology. vol 77. issue 3. 2003-05-27. PMID:12685650. |
the syn isomer is converted totally to the anti form after uv (lambda > 295 nm) irradiation of the matrix. |
2003-05-27 |
2023-08-12 |
Not clear |
| Teodor Silviu Balaban, Petra Fromme, Alfred R Holzwarth, Norbert Krauss, Valentin I Prokhorenk. Relevance of the diastereotopic ligation of magnesium atoms of chlorophylls in Photosystem I. Biochimica et biophysica acta. vol 1556. issue 2-3. 2003-01-27. PMID:12460677. |
witt, o. klukas, w. saenger, n. krauss, nature 411 (2001) 909], we find that chlorophyll a molecules are much more frequently bound by the protein matrix from one side (anti) than the other one (syn) in a ratio of 82:14, which corresponds to a significant deltadeltag value of 4.3 kj/mol. |
2003-01-27 |
2023-08-12 |
Not clear |
| N Ulfig, M Setzer, F Neudörfer, U Saretzk. Changing distribution patterns of synaptophysin-immunoreactive structures in the human dorsal striatum of the fetal brain. The Anatomical record. vol 258. issue 2. 2000-02-18. PMID:10645967. |
from the 28th week of gestation the matrix contains diffuse syn immunoreactivity which gradually becomes as intense as that of the patches. |
2000-02-18 |
2023-08-12 |
human |
| J K Kim, D Patel, B S Cho. Contrasting structural impacts induced by cis-syn cyclobutane dimer and (6-4) adduct in DNA duplex decamers: implication in mutagenesis and repair activity. Photochemistry and photobiology. vol 62. issue 1. 1995-09-11. PMID:7638271. |
three-dimensional structures of the duplex cis--syn and (6-4) decamers of d(cgcattacgc)xd(gcgtaatgcg) were determined by nmr spectroscopy and the relaxation matrix refinement method. |
1995-09-11 |
2023-08-12 |
Not clear |
| H S Goldsmith, J C de la Torr. Axonal regeneration after spinal cord transection and reconstruction. Brain research. vol 589. issue 2. 1992-11-25. PMID:1356594. |
in addition, the synaptogenic marker synaptophysin (syn) was observed on preganglionic sympathetic neurons in association with dopaminergic- and noradrenergic-containing varicosities distal to the collagen matrix bridge, an indication that neo-synaptic contacts may have been made on these previously denervated neurons. |
1992-11-25 |
2023-08-11 |
cat |
| J C de la Torre, H S Goldsmit. Supraspinal fiber outgrowth and apparent synaptic remodelling across transected-reconstructed feline spinal cord. Acta neurochirurgica. vol 114. issue 3-4. 1992-06-11. PMID:1316056. |
in addition, the synaptogenic marker synaptophysin (syn) was observed in association with dopaminergic and noradrenergic fibers distal to the collagen matrix bridge, an indication that synaptic remodelling (regeneration) by previously denervated supraspinal axons may have occurred. |
1992-06-11 |
2023-08-11 |
Not clear |