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Showing 1 to 12 of 75 entries
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Development of a gamma-gamma-perturbed angular correlation one-detector method (1-PAC) for investigation of physico-chemical properties of matter.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Filossofov DV, Novgorodov AF, Korolev NA, Egorov VG, Lebedev NA, Akselrod ZZ, Brockmann J, Rösch F.
PMID: 12201152
Appl Radiat Isot. 2002 Sep;57(3):437-43. doi: 10.1016/s0969-8043(02)00122-7.

A new method of the perturbed angular gamma-gamma-correlation (PAC) measurements was developed using one HPGe detector only (1-PAC). For quantifying the perturbation factor, the ratio R gamma 1 + gamma 2 of the summing peak composed of two cascade...

Electronic Structure of Luminescent d(0) Niobium and Tantalum Imido Compounds cis,mer-M(NR)Cl(3)L(2).

Inorganic chemistry

Williams DS, Korolev AV.
PMID: 11670484
Inorg Chem. 1998 Jul 27;37(15):3809-3819. doi: 10.1021/ic9800740.

Electronic absorption and emission spectra are reported for luminescent d(0) monoimido group 5 compounds M(NR)Cl(3)L(2) (M = Nb, Ta; R = alkyl, aryl; L = dme, Cl(-), py). These compounds display weak (epsilon < 200 M(-)(1) cm(-)(1)), well-resolved lowest-energy...

Experimental observation of orthogonally polarized time-delayed optical soliton trapping in birefringent fibers.

Optics letters

Korolev AE, Nazarov VN, Nolan DA, Truesdale CM.
PMID: 15675690
Opt Lett. 2005 Jan 15;30(2):132-4. doi: 10.1364/ol.30.000132.

Propagation of two orthogonally polarized time-delayed optical solitons in low-birefringence optical fiber is studied experimentally. We demonstrate soliton trapping and collisions and also the ability to control the separation and shape of soliton pulses by varying the power at...

Clinical Use of Inhibitors of HIV-1 Integration: Problems and Prospects.

Acta naturae

Korolev SP, Agapkina YY, Gottikh MB.
PMID: 22649690
Acta Naturae. 2011 Jul;3(3):12-28.

The HIV-1 integrase enzyme is responsible for one of the key stages of retroviral replication; it acts as a catalyst for the integration of viral cDNA into the cell's genome. Inhibitors of HIV-1 integration have been under development for...

Cascade Cleavage of Three-Membered Rings in the Reaction of D-A Cyclopropanes with 4,5-Diazaspiro[2.4]hept-4-enes: A Route to Highly Functionalized Pyrazolines.

The Journal of organic chemistry

Novikov RA, Borisov DD, Zotova MA, Denisov DA, Tkachev YV, Korolev VA, Shulishov EV, Tomilov YV.
PMID: 29873492
J Org Chem. 2018 Aug 03;83(15):7836-7851. doi: 10.1021/acs.joc.8b00725. Epub 2018 Jun 22.

A new cascade process for reactions of donor-acceptor cyclopropanes (DACs) with spiro[cyclopropanepyrazolines] in the presence of EtAlCl

Preparation and properties of GC capillary column with hypercrosslinked stationary phase.

Journal of separation science

Kanateva AY, Korolev AA, Kurganov AA.
PMID: 34662502
J Sep Sci. 2021 Dec;44(24):4395-4401. doi: 10.1002/jssc.202100646. Epub 2021 Oct 29.

For the first time, highly porous hypercrosslinked polystyrene layer was synthesized within a gas chromatography capillary column and successfully deposited onto the capillary walls generating porous layer open-tubular capillary column. Elaborated three steps synthetic procedure provides tightly bonded porous...

Ultra-low supply voltage crystal quartz oscillator.

The Review of scientific instruments

Korolev AM, Shulga VM, Turutanov OG.
PMID: 34243317
Rev Sci Instrum. 2021 May 01;92(5):054706. doi: 10.1063/5.0041579.

In this paper, an ultra-low-voltage crystal quartz oscillator is proposed. The design of the proposed oscillator is essentially based on using a HEMT operating in an unsaturated dc regime and a quartz resonator as a resonant impedance transformer. The...

Reasons for Reduced Moisture Resistance of Sulfur-Extended Asphalt Concrete.

Materials (Basel, Switzerland)

Le HT, Korolev EV, Grishina AN, Gladkikh VA.
PMID: 34885371
Materials (Basel). 2021 Nov 26;14(23). doi: 10.3390/ma14237218.

The paper presents the results of a study of the mechanism for reducing the moisture resistance of sulfur-extended asphalt concrete. It is shown that a decrease in moisture resistance occurs due to the occurrence of chemical and physical processes....

Compressive and Tensile Elastic Properties of Concrete: Empirical Factors in Span Reinforced Structures Design.

Materials (Basel, Switzerland)

Korolev AS, Kopp A, Odnoburcev D, Loskov V, Shimanovsky P, Koroleva Y, Vatin NI.
PMID: 34947171
Materials (Basel). 2021 Dec 09;14(24). doi: 10.3390/ma14247578.

Concretes with the same strength can have various deformability that influences span structures deflection. In addition, a significant factor is the non-linear deformation of concrete dependence on the load. The main deformability parameter of concrete is the instantaneous modulus...

Long Non-Coding .

Non-coding RNA

Rudzinska M, Czarnecka-Chrebelska KH, Kuznetsova EB, Maryanchik SV, Parodi A, Korolev DO, Potoldykova N, Svetikova Y, Vinarov AZ, Nemtsova MV, Zamyatnin AA.
PMID: 33920185
Noncoding RNA. 2021 Apr 10;7(2). doi: 10.3390/ncrna7020025.

Long non-coding RNAs (lncRNAs) can be specifically expressed in different tissues and cancers. By controlling the gene expression at the transcriptional and translational levels, lncRNAs have been reported to be involved in tumor growth and metastasis. Recent data demonstrated...

Reasons for Reduced Moisture Resistance of Sulfur-Extended Asphalt Concrete.

Materials (Basel, Switzerland)

Le HT, Korolev EV, Grishina AN, Gladkikh VA.
PMID: 34885371
Materials (Basel). 2021 Nov 26;14(23). doi: 10.3390/ma14237218.

The paper presents the results of a study of the mechanism for reducing the moisture resistance of sulfur-extended asphalt concrete. It is shown that a decrease in moisture resistance occurs due to the occurrence of chemical and physical processes....

Reconstruction of the Image Metric of Periodic Structures in an Opto-Digital Angle Measurement System.

Sensors (Basel, Switzerland)

Korolev AN, Lukin AY, Filatov YV, Venediktov VY.
PMID: 34199116
Sensors (Basel). 2021 Jun 27;21(13). doi: 10.3390/s21134411.

Measurement of the object angular position and its change is one of the important tasks in measurement technique. Our method is based on determination of the angular position of a 2D periodical optical pattern (2D mark) at the object,...

Showing 1 to 12 of 75 entries