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Showing 1 to 12 of 252 entries
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Synthesis of armchair graphene nanoribbons from the 10,10'-dibromo-9,9'-bianthracene molecules on Ag(111): the role of organometallic intermediates.

Scientific reports

Simonov KA, Generalov AV, Vinogradov AS, Svirskiy GI, Cafolla AA, McGuinness C, Taketsugu T, Lyalin A, Mårtensson N, Preobrajenski AB.
PMID: 29472611
Sci Rep. 2018 Feb 22;8(1):3506. doi: 10.1038/s41598-018-21704-3.

We investigate the bottom-up growth of N = 7 armchair graphene nanoribbons (7-AGNRs) from the 10,10'-dibromo-9,9'-bianthracene (DBBA) molecules on Ag(111) with the focus on the role of the organometallic (OM) intermediates. It is demonstrated that DBBA molecules on Ag(111)...

Inappropriate use of the quasi-reversible electrode kinetic model in simulation-experiment comparisons of voltammetric processes that approach the reversible limit.

Analytical chemistry

Simonov AN, Morris GP, Mashkina EA, Bethwaite B, Gillow K, Baker RE, Gavaghan DJ, Bond AM.
PMID: 25047798
Anal Chem. 2014 Aug 19;86(16):8408-17. doi: 10.1021/ac5019952. Epub 2014 Jul 31.

Many electrode processes that approach the "reversible" (infinitely fast) limit under voltammetric conditions have been inappropriately analyzed by comparison of experimental data and theory derived from the "quasi-reversible" model. Simulations based on "reversible" and "quasi-reversible" models have been fitted...

Erratum: Prediction of human population responses to toxic compounds by a collaborative competition.

Nature biotechnology

Eduati F, Mangravite LM, Wang T, Tang H, Bare JC, Huang R, Norman T, Kellen M, Menden MP, Yang J, Zhan X, Zhong R, Xiao G, Xia M, Abdo N, Kosyk O, Friend S, Dearry A, Simeonov A, Tice RR, Rusyn I, Wright FA, Stolovitzky G, Xie Y, Saez-Rodriguez J.
PMID: 26448092
Nat Biotechnol. 2015 Oct;33(10):1109. doi: 10.1038/nbt1015-1109a.

No abstract available.

Ubiquitin-Specific Proteases as Druggable Targets.

Drug target review

Davis MI, Simeonov A.
PMID: 26835158
Drug Target Rev. 2015;2(3):60-64.

No abstract available.

1-(4-methylamino-1,2,5-thiadiazole-3-carbonyl)thiosemicarbazide.

Acta crystallographica. Section C, Crystal structure communications

Fonari MS, Simonov YA, Lipkowski J, Yavolovskii AA.
PMID: 12944654
Acta Crystallogr C. 2003 Sep;59:o491-3. doi: 10.1107/s0108270103014136. Epub 2003 Aug 09.

In the title compound, C(5)H(8)N(6)OS(2), the supramolecular architecture is sustained by two N--H...O and three N--H...S hydrogen bonds, and by N.S electrostatic interactions. The hydrogen-bond network generates a sheet structure, which extends in the a and b directions and...

Adsorption of a semiflexible wormlike chain.

The European physical journal. E, Soft matter

Semenov AN.
PMID: 15010906
Eur Phys J E Soft Matter. 2002 Nov;9(4):353-63. doi: 10.1140/epje/i2002-10092-2.

Adsorption of ideal polymers with stiff backbone onto a flat surface is considered theoretically. Both scaling approach and quantitative theory are developed. We predict a self-similar monomer concentration profile c(x) approximately x(-4/3) near the surface (when the distance to...

Stability of dense hydrophobic-polar copolymer globules: regular, random and designed sequences.

The European physical journal. E, Soft matter

Govorun EN, Khokhlov AR, Semenov AN.
PMID: 15007661
Eur Phys J E Soft Matter. 2003 Oct;12(2):255-264. doi: 10.1140/epje/i2003-10057-y.

Stability of dense globular structures formed by amphiphilic copolymers consisting of hydrophobic (insoluble) units and a small fraction of single polar (soluble) monomer units is considered in the mean-field approximation for different types of unit distributions along the chain....

Long range bond-bond correlations in dense polymer solutions.

Physical review letters

Wittmer JP, Meyer H, Baschnagel J, Johner A, Obukhov S, Mattioni L, Müller M, Semenov AN.
PMID: 15524845
Phys Rev Lett. 2004 Oct 01;93(14):147801. doi: 10.1103/PhysRevLett.93.147801. Epub 2004 Sep 29.

The scaling of the bond-bond correlation function P1(s) along linear polymer chains is investigated with respect to the curvilinear distance s along the flexible chain and the monomer density rho via Monte Carlo and molecular dynamics simulations. Surprisingly, the...

Angle-dependent magnetoresistance in the weakly incoherent interlayer transport regime in a layered organic conductor.

Physical review letters

Kartsovnik MV, Andres D, Simonov SV, Biberacher W, Sheikin I, Kushch ND, Müller H.
PMID: 16712253
Phys Rev Lett. 2006 Apr 28;96(16):166601. doi: 10.1103/PhysRevLett.96.166601. Epub 2006 Apr 25.

We present comparative studies of the orientation effect of a strong magnetic field on the interlayer resistance of alpha-(BEDT-TTF)2KHg(SCN)4 samples characterized by different crystal quality. We find striking differences in their behavior, which is attributed to the breakdown of...

Intrinsic ambipolarity and rotation in stellarators.

Physical review letters

Helander P, Simakov AN.
PMID: 18851538
Phys Rev Lett. 2008 Oct 03;101(14):145003. doi: 10.1103/PhysRevLett.101.145003. Epub 2008 Sep 29.

It is shown that collisional plasma transport is intrinsically ambipolar only in quasiaxisymmetric or quasihelically symmetric magnetic configurations. Only in such fields can the plasma rotate freely, and then only in the direction of quasisymmetry. In a non-quasi-symmetric magnetic...

Controlled self-assembly of triphenylene-based molecular nanostructures.

Langmuir : the ACS journal of surfaces and colloids

Duzhko V, Shi H, Singer KD, Semyonov AN, Twieg RJ.
PMID: 16952224
Langmuir. 2006 Sep 12;22(19):7947-51. doi: 10.1021/la060763l.

Molecular nanostructures of the disc-shaped molecule hexapentyloxytriphenylene have been fabricated on length scales ranging from 30 nm to 1.5 mum following self-assembly arising from pi-pi interactions in organic solvents. The size and density of the molecular nanostructures deposited onto...

Globules of annealed amphiphilic copolymers: surface structure and interactions.

The European physical journal. E, Soft matter

Jarkova E, Johner A, Maresov EA, Semenov AN.
PMID: 17318712
Eur Phys J E Soft Matter. 2006 Dec;21(4):371-86. doi: 10.1140/epje/i2006-10074-4. Epub 2007 Feb 16.

A mean-field theory of globules of random amphiphilic copolymers in selective solvents is developed for the case of an annealed copolymer sequence: each unit can be in one of two states, H (insoluble) or P (soluble or less insoluble)....

Showing 1 to 12 of 252 entries