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Outcomes of gynecologic cancer surgery during the COVID-19 pandemic: an international, multicenter, prospective CovidSurg-Gynecologic Oncology Cancer study.
Fotopoulou C, Khan T, Bracinik J, Glasbey J, Abu-Rustum N, Chiva L, Fagotti A, Fujiwara K, Ghebre R, Gutelkin M, Konney TO, Ng J, Pareja R, Kottayasamy Seenivasagam R, Sehouli J, Surappa STS, Bhangu A, Leung E, Sundar S; CovidSurg Gynecological Cancer Collaborators. Fotopoulou C, et al. Am J Obstet Gynecol. 2022 Nov;227(5):735.e1-735.e25. doi: 10.1016/j.ajog.2022.06.052. Epub 2022 Jun 30. Am J Obstet Gynecol. 2022. PMID: 35779589 Free PMC article.
Does the Intersystem Crossing Rate of β-Iodinated Phosphorus Corrole Depend on Iodine Numbers and/or Positions?
Tedy AM, Manna AK. Tedy AM, et al. J Phys Chem A. 2023 Dec 7;127(48):10118-10127. doi: 10.1021/acs.jpca.3c05563. Epub 2023 Nov 27. J Phys Chem A. 2023. PMID: 38011309
Effects of iodine numbers and positions on the ISC rate of a few meso-difluorophenyl substituted beta-iodinated phosphorus corroles (PCs) with axially ligated fluorine atoms (mI-FPC; m = 1-4) are studied using a time-dependent optimally tuned range-separated hybrid. ...How …
Effects of iodine numbers and positions on the ISC rate of a few meso-difluorophenyl substituted beta-iodinated phosphorus corroles (PCs) wi …
Numerous uncharacterized and highly divergent microbes which colonize humans are revealed by circulating cell-free DNA.
Kowarsky M, Camunas-Soler J, Kertesz M, De Vlaminck I, Koh W, Pan W, Martin L, Neff NF, Okamoto J, Wong RJ, Kharbanda S, El-Sayed Y, Blumenfeld Y, Stevenson DK, Shaw GM, Wolfe ND, Quake SR. Kowarsky M, et al. Proc Natl Acad Sci U S A. 2017 Sep 5;114(36):9623-9628. doi: 10.1073/pnas.1707009114. Epub 2017 Aug 22. Proc Natl Acad Sci U S A. 2017. PMID: 28830999 Free PMC article.
Computational details of molecular structure, spectroscopic properties, topological studies and SARS-Cov-2 enzyme molecular docking simulation of substituted triazolo pyrimidine thione heterocycles.
El Sayed DS, Abdelrehim EM. El Sayed DS, et al. Spectrochim Acta A Mol Biomol Spectrosc. 2021 Nov 15;261:120006. doi: 10.1016/j.saa.2021.120006. Epub 2021 May 26. Spectrochim Acta A Mol Biomol Spectrosc. 2021. PMID: 34098482 Free PMC article.
To predict the relevant antiviral activity of the reported heterocyclic compounds, molecular docking simulation was applied to the crystal structure of SARS-Cov-2 viral M(pro) enzyme with 6WTT code and PL(pro) with 7JRN code. The enzymatic viral protein gives an image abou …
To predict the relevant antiviral activity of the reported heterocyclic compounds, molecular docking simulation was applied to the crystal s …
On the molecular mechanisms of the Schiff base deprotonation during the bacteriorhodopsin photocycle.
Chronister EL, Corcoran TC, Song L, El-Sayed MA. Chronister EL, et al. Proc Natl Acad Sci U S A. 1986 Nov;83(22):8580-4. doi: 10.1073/pnas.83.22.8580. Proc Natl Acad Sci U S A. 1986. PMID: 16578793 Free PMC article.
It is found that at a pH just below 3 or with less than two bound Ca(2+) per bR, the deprotonation (the L(550) --> M(412)) step ceases, yet the K(610) and L(550) analogues are still formed as in native bR. ...The different mechanisms responsible for the large reduction …
It is found that at a pH just below 3 or with less than two bound Ca(2+) per bR, the deprotonation (the L(550) --> M(412)) step ce …
Chelation, spectroscopic characterization, biological activity and crystal structure of 2,3-butanedione isonicotinylhydrazone: Determination of Zr(4+) after flotation separation.
Al-Fulaij OA, Jeragh B, El-Sayed AE, El-Defrawy MM, El-Asmy AA. Al-Fulaij OA, et al. Spectrochim Acta A Mol Biomol Spectrosc. 2015 Feb 5;136 Pt C:1834-41. doi: 10.1016/j.saa.2014.10.093. Epub 2014 Oct 31. Spectrochim Acta A Mol Biomol Spectrosc. 2015. PMID: 25467677
The formula of the ligand was assigned based on the elemental analysis, mass spectra and conductivity measurements. The complexes assigned the formulae [M(BINH-H)Cl]nH2O (MCo(II), Ni(II), Cu(II), Zn(II); n=0 or 1); [Hg(BINH-H)(H2O)2Cl]; [Cd(BINH)Cl2]2H2O and [Pd(BINH)Cl2]H …
The formula of the ligand was assigned based on the elemental analysis, mass spectra and conductivity measurements. The complexes assigned t …
Spectroscopic studies of 4-(4,6-dimethylpyrimidin-2-ylazo) benzene-1,3-diol and its Cu(II) complexes.
Gaber M, Fayed TA, El-Daly S, El-Sayed YS. Gaber M, et al. Spectrochim Acta A Mol Biomol Spectrosc. 2007 Sep;68(1):169-75. doi: 10.1016/j.saa.2006.11.030. Epub 2006 Nov 28. Spectrochim Acta A Mol Biomol Spectrosc. 2007. PMID: 17331792
The solid Cu(II) complexes are synthesized and characterized by spectral, magnetic, conductance and thermal studies (TGA and DTA). The results indicate the formation of 1:1 and 1:2 (M:L) complexes. The kinetic parameters (n, E, A, DeltaS, DeltaH and DeltaG) of the thermal …
The solid Cu(II) complexes are synthesized and characterized by spectral, magnetic, conductance and thermal studies (TGA and DTA). The resul …
Spectrophotometric, conductometric and thermal studies of Co(II), Ni(II) and Cu(II) complexes with 2-(2-hydroxynaphthylazo)-4-hydroxy-6-methyl-1,3-pyrimidine.
Gaber M, Mansour IA, El-Sayed YS. Gaber M, et al. Spectrochim Acta A Mol Biomol Spectrosc. 2007 Oct;68(2):305-11. doi: 10.1016/j.saa.2006.11.035. Epub 2006 Dec 2. Spectrochim Acta A Mol Biomol Spectrosc. 2007. PMID: 17293160
The solid Cu(II) complexes of the titled azodye have been prepared and characterized by elemental, IR, UV-vis spectra as well as by conductometric and magnetic measurements. The data suggest square planar geometry for 1:1 and 1:2 (M:L) complexes. The thermal behaviour of t …
The solid Cu(II) complexes of the titled azodye have been prepared and characterized by elemental, IR, UV-vis spectra as well as by conducto …
Metal complexes derived from hydrazoneoxime ligands: V. Spectral and structural studies on diacetylmonoxime n-alkanoylhydrazones and their nickel(II) and copper(II) complexes.
Salem NM, El Sayed L, Haase W, Iskander MF. Salem NM, et al. Spectrochim Acta A Mol Biomol Spectrosc. 2015 Jan 5;134:257-66. doi: 10.1016/j.saa.2014.06.110. Epub 2014 Jun 26. Spectrochim Acta A Mol Biomol Spectrosc. 2015. PMID: 25022497
The X-ray crystal structure of diacetylmonoxime octadecanoyl hydrazone has been solved and its molecular and supramolecular structures have been discussed. Both neutral dinuclear Cu(II) and Ni(II) complexes, [{M(L(n))}2] (M=Cu, Ni and n=4, 5, 6, 12 and 16) as well a …
The X-ray crystal structure of diacetylmonoxime octadecanoyl hydrazone has been solved and its molecular and supramolecular structures have …