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Showing 25 to 36 of 179 entries
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Dimensional control of block copolymer nanofibers with a π-conjugated core: crystallization-driven solution self-assembly of amphiphilic poly(3-hexylthiophene)-b-poly(2-vinylpyridine).

Chemistry (Weinheim an der Bergstrasse, Germany)

Gwyther J, Gilroy JB, Rupar PA, Lunn DJ, Kynaston E, Patra SK, Whittell GR, Winnik MA, Manners I.
PMID: 23733316
Chemistry. 2013 Jul 08;19(28):9186-97. doi: 10.1002/chem.201300463. Epub 2013 Jun 03.

With the aim of accessing colloidally stable, fiberlike, π-conjugated nanostructures of controlled length, we have studied the solution self-assembly of two asymmetric crystalline-coil, regioregular poly(3-hexylthiophene)-b-poly(2-vinylpyridine) (P3HT-b-P2VP) diblock copolymers, P3HT23-b-P2VP115 (block ratio=1:5) and P3HT44-b-P2VP115 (block ratio=ca. 1:3). The self-assembly studies...

Uniform, high aspect ratio fiber-like micelles and block co-micelles with a crystalline π-conjugated polythiophene core by self-seeding.

Journal of the American Chemical Society

Qian J, Li X, Lunn DJ, Gwyther J, Hudson ZM, Kynaston E, Rupar PA, Winnik MA, Manners I.
PMID: 24564504
J Am Chem Soc. 2014 Mar 19;136(11):4121-4. doi: 10.1021/ja500661k. Epub 2014 Mar 06.

Monodisperse fiber-like micelles with a crystalline π-conjugated polythiophene core with lengths up to ca. 700 nm were successfully prepared from the diblock copolymer poly(3-hexylthiophene)-block-polystyrene using a one-dimensional self-seeding technique. Addition of a polythiophene block copolymer with a different corona-forming...

Structure-based drug design of a new chemical class of small molecules active against influenza A nucleoprotein in vitro and in vivo.

PLoS currents

Fedichev P, Timakhov R, Pyrkov T, Getmantsev E, Vinnik A.
PMID: 21894258
PLoS Curr. 2011 Aug 07;3:RRN1253. doi: 10.1371/currents.RRN1253.

We report preliminary results and a summary of a bottom-up approach to identify new, active, nontoxic, small-molecule antivirals designed to have а novel mechanism of action. We employed the procedure to identify 3-mercapto-1,2,4-triazoles derivatives as potential NP inhibitors in...

Direct energy-transfer studies on doped and labeled polymer latex particles.

Physical review letters

Croucher MD, Pekcan O, Winnik MA.
PMID: 10039388
Phys Rev Lett. 1988 Aug 01;61(5):641-644. doi: 10.1103/PhysRevLett.61.641.

No abstract available.

Phonon Spectroscopy with Chirped Shear and Compressive Acoustic Pulses.

Physical review letters

Poyser CL, York WB, Srikanthreddy D, Glavin BA, Linnik TL, Campion RP, Akimov AV, Kent AJ.
PMID: 29303330
Phys Rev Lett. 2017 Dec 22;119(25):255502. doi: 10.1103/PhysRevLett.119.255502. Epub 2017 Dec 22.

Picosecond duration compressive and shear phonon wave packets injected into (311) GaAs slabs transform after propagation through ∼1  mm into chirped acoustic pulses with a frequency increasing in time due to phonon dispersion. By probing the temporal optical response...

Ab initio properties of Li-group-II molecules for ultracold matter studies.

The Journal of chemical physics

Kotochigova S, Petrov A, Linnik M, Kłos J, Julienne PS.
PMID: 22047229
J Chem Phys. 2011 Oct 28;135(16):164108. doi: 10.1063/1.3653974.

We perform a systematic investigation of the electronic properties of the (2)Σ(+) ground state of Li-alkaline-earth dimers. These molecules are proposed as possible candidates for quantum simulation of lattice-spin models. We apply powerful quantum chemistry coupled-cluster method and large...

In situ studies of thin polymer film dissolution by laser interferometry plus fluorescence quenching.

Applied optics

Nivaggioli T, Dimnik GP, Wang F, Winnik MA, Smith BA.
PMID: 20733795
Appl Opt. 1992 Oct 01;31(28):5956-64. doi: 10.1364/AO.31.005956.

The dissolution characteristics of thin polymethyl methacrylate films, studied by simultaneous laser interferometry and fluorescence quenching (LIFQ) experiments, are reported. These require UVtransparent substrates. The influence of the substrate material on the LIFQ results was investigated. The results obtained...

Mechanistic study of the formation of fiber-like micelles with a π-conjugated oligo(p-phenylenevinylene) core.

Journal of colloid and interface science

Tao D, Cui Y, Huang X, Lu G, Manners I, Winnik MA, Feng C.
PMID: 31639564
J Colloid Interface Sci. 2020 Feb 15;560:50-58. doi: 10.1016/j.jcis.2019.10.014. Epub 2019 Oct 08.

HYPOTHESIS: Crystallization-driven self-assembly (CDSA) of block copolymers (BCPs) with a crystallizable core-forming oligo(p-phenylenevinylene) (OPV) segment can be a powerful strategy for the preparation of uniform fiber-like nanostructures containing a π-conjugated core with controlled dimension and composition. However, the self-assembly...

Analysis and assessment of heavy metal contamination in the vicinity of Lake Atamanskoe (Rostov region, Russia) using multivariate statistical methods.

Environmental geochemistry and health

Linnik VG, Saveliev AA, Bauer TV, Minkina TM, Mandzhieva SS.
PMID: 33609207
Environ Geochem Health. 2021 Feb 20; doi: 10.1007/s10653-021-00853-x. Epub 2021 Feb 20.

Assessment of spatial patterns of potentially toxic metals is one of the most urgent tasks in soil chemistry. In this study, descriptive statistics and three methods of multivariate statistical analysis, such as the hierarchical cluster analysis (HCA), correlation analysis,...

Influence of the Sodium Precursor on the Cubic-to-Hexagonal Phase Transformation and Controlled Preparation of Uniform NaNdF.

Langmuir : the ACS journal of surfaces and colloids

Rastogi CK, Lu E, Tam J, Pichaandi JM, Howe J, Winnik MA.
PMID: 33534994
Langmuir. 2021 Feb 16;37(6):2146-2152. doi: 10.1021/acs.langmuir.0c03346. Epub 2021 Feb 03.

NaLnF

Azobenzene/Tetraethyl Ammonium Photochromic Potassium Channel Blockers: Scope and Limitations for Design of Para-Substituted Derivatives with Specific Absorption Band Maxima and Thermal Isomerization Rate.

International journal of molecular sciences

Strashkov DM, Mironov VN, Nikolaev DM, Panov MS, Linnik SA, Mereshchenko AS, Kochemirovsky VA, Vasin AV, Ryazantsev MN.
PMID: 34884976
Int J Mol Sci. 2021 Dec 06;22(23). doi: 10.3390/ijms222313171.

Azobenzene/tetraethyl ammonium photochromic ligands (ATPLs) are photoactive compounds with a large variety of photopharmacological applications such as nociception control or vision restoration. Absorption band maximum and lifetime of the less stable isomer are important characteristics that determine the applicability...

Exposure to High-Altitude Environment is Associated with Drug Transporters Change: miR-873-5p-Mediated Alteration of Function and Expression Levels of Drug Transporters under Hypoxia.

Drug metabolism and disposition: the biological fate of chemicals

Duan Y, Bai X, Yang J, Zhou Y, Gu W, Liu G, Wang Q, Zhu J, La L, Li X.
PMID: 34844996
Drug Metab Dispos. 2021 Nov 29; doi: 10.1124/dmd.121.000681. Epub 2021 Nov 29.

No abstract available.

Showing 25 to 36 of 179 entries