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Showing 1 to 12 of 89 entries
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Transfer printing of CVD graphene FETs on patterned substrates.

Nanoscale

Abhilash TS, De Alba R, Zhelev N, Craighead HG, Parpia JM.
PMID: 26242482
Nanoscale. 2015 Sep 07;7(33):14109-13. doi: 10.1039/c5nr03501e.

We describe a simple and scalable method for the transfer of CVD graphene for the fabrication of field effect transistors. This is a dry process that uses a modified RCA-cleaning step to improve the surface quality. In contrast to...

RAS pathway biomarkers for breast cancer prognosis.

Clinical laboratory international

Siewertsz van Reesema LL, Lee MP, Zheleva V, Winston JS, O'Connor CF, Perry RR, Hoefer RA, Tang AH.
PMID: 28579913
Clin Lab Int. 2016 Nov;40:18-23.

Metastatic breast cancer is a highly heterogeneous, rapidly evolving and devastating disease that challenges our ability to find curative therapies. RAS pathway activation is an understudied research area in breast cancer. EGFR/RAS pathway activation is prevalent in breast cancer...

Effect of the diet type and temperature on the .

Oncotarget

Gómez-Orte E, Cornes E, Zheleva A, Sáenz-Narciso B, de Toro M, Iñiguez M, López R, San-Juan JF, Ezcurra B, Sacristán B, Sánchez-Blanco A, Cerón J, Cabello J.
PMID: 29515753
Oncotarget. 2017 Dec 21;9(11):9556-9571. doi: 10.18632/oncotarget.23563. eCollection 2018 Feb 09.

The transcriptomes of model organisms have been defined under specific laboratory growth conditions. The standard protocol for

The A-B transition in superfluid helium-3 under confinement in a thin slab geometry.

Nature communications

Zhelev N, Abhilash TS, Smith EN, Bennett RG, Rojas X, Levitin L, Saunders J, Parpia JM.
PMID: 28671184
Nat Commun. 2017 Jul 03;8:15963. doi: 10.1038/ncomms15963.

The influence of confinement on the phases of superfluid helium-3 is studied using the torsional pendulum method. We focus on the transition between the A and B phases, where the A phase is stabilized by confinement and a spatially...

Biological evaluation of new potential anticancer agent for tumour imaging and radiotherapy by two methods: .

Biotechnology, biotechnological equipment

Karamalakova Y, Chuttani K, Sharma R, Zheleva A, Gadjeva V, Mishra A.
PMID: 26019604
Biotechnol Biotechnol Equip. 2014 Nov 02;28(6):1172-1180. doi: 10.1080/13102818.2014.978666. Epub 2014 Nov 25.

Recently, a new class of in vitro and ex vivo radiotracers/radioprotectors, the nitroxyl-labelled agent 1-ethyl-1-nitroso-3-[4-(2,2,6,6-tetramethylpiperidine-1-oxyl)]-urea (SLENU), has been discovered. Our previous investigations demonstrated that SLENU is a low-molecular-weight stable free radical which is freely membrane permeable, easily crosses the...

Delivery of size-controlled long-circulating polymersomes in solid tumours, visualized by quantum dots and optical imaging .

Biotechnology, biotechnological equipment

Bakalova R, Lazarova D, Nikolova B, Atanasova S, Zlateva G, Zhelev Z, Aoki I.
PMID: 26019630
Biotechnol Biotechnol Equip. 2015 Jan 02;29(1):175-180. doi: 10.1080/13102818.2014.984894. Epub 2014 Nov 26.

The present study was designed to investigate whether poly-ion complex hollow vesicles (polymersomes), based on chemically modified chitosan, are appropriate for passive tumour targeting in the context of their application as drug carriers. The experiments were performed on colon...

Experimental structure determination of the chemisorbed overlayers of chlorine and iodine on Au{111}.

Physical chemistry chemical physics : PCCP

Zheleva ZV, Dhanak VR, Held G.
PMID: 20617232
Phys Chem Chem Phys. 2010 Sep 28;12(36):10754-8. doi: 10.1039/c003461d. Epub 2010 Jul 08.

We have performed an experimental structure determination of the ordered p(sqrt[3] x sqrt[3])R30 degrees structures of chlorine and iodine on Au{111} using low-energy electron diffraction (LEED). Despite great similarities in the structure of the underlying substrate, which shows only...

Microwave properties of polymer composites containing combinations of micro- and nano-sized magnetic fillers.

Journal of nanoscience and nanotechnology

Kolev S, Koutzarova T, Yanev A, Ghelev C, Nedkov I.
PMID: 18464386
J Nanosci Nanotechnol. 2008 Feb;8(2):650-4. doi: 10.1166/jnn.2008.b069.

We investigated the microwave absorbing properties of composite bulk samples with nanostructured and micron-sized fillers. As magnetic fillers we used magnetite powder (Fe3O4 with low magnetocrystalline anisotropy) and strontium hexaferrite (SrFe12O9 with high magnetocrystalline anisotropy). The dielectric matrix consisted...

Modification of the 3He phase diagram by anisotropic disorder.

Physical review letters

Bennett RG, Zhelev N, Smith EN, Pollanen J, Halperin WP, Parpia JM.
PMID: 22182100
Phys Rev Lett. 2011 Dec 02;107(23):235504. doi: 10.1103/PhysRevLett.107.235504. Epub 2011 Nov 30.

Motivated by the recent prediction that uniaxially compressed aerogel can stabilize the anisotropic A phase over the isotropic B phase, we measure the pressure dependent superfluid fraction of (3)He entrained in 10% axially compressed, 98% porous aerogel. We observe...

Physical and Chemical Processes and the Morphofunctional Characteristics of Human Erythrocytes in Hyperglycaemia.

Frontiers in physiology

Revin VV, Klenova NA, Gromova NV, Grunyushkin IP, Solomadin IN, Tychkov AY, Pestryakova AA, Sadykhova AV, Revina ES, Prosnikova KV, Bourdon JC, Zhelev N.
PMID: 28912721
Front Physiol. 2017 Aug 30;8:606. doi: 10.3389/fphys.2017.00606. eCollection 2017.

No abstract available.

Survival in Soil of Colletotrichum acutatum and C. gloeosporioides Pathogenic on Strawberry.

Plant disease

Freeman S, Shalev Z, Katan J.
PMID: 30818557
Plant Dis. 2002 Sep;86(9):965-970. doi: 10.1094/PDIS.2002.86.9.965.

The survival ability in soil of different inocula of strawberry isolates of Colletotrichum gloeosporioides and C. acutatum was studied under laboratory and field conditions. Two isolates of each species used in this study were identified according to morphological characteristics...

A New Strategy to Control and Eradicate "Undruggable" Oncogenic K-RAS-Driven Pancreatic Cancer: Molecular Insights and Core Principles Learned from Developmental and Evolutionary Biology.

Cancers

Van Sciver RE, Lee MP, Lee CD, Lafever AC, Svyatova E, Kanda K, Colliver AL, Siewertsz van Reesema LL, Tang-Tan AM, Zheleva V, Bwayi MN, Bian M, Schmidt RL, Matrisian LM, Petersen GM, Tang AH.
PMID: 29757973
Cancers (Basel). 2018 May 14;10(5). doi: 10.3390/cancers10050142.

Oncogenic K-RAS mutations are found in virtually all pancreatic cancers, making K-RAS one of the most targeted oncoproteins for drug development in cancer therapies. Despite intense research efforts over the past three decades, oncogenic K-RAS has remained largely "undruggable"....

Showing 1 to 12 of 89 entries