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  1. No Access

    Article

    Effect of bio-oil on rheological and calorimetric properties of RTFOT aged bituminous compositions

    In the current research rejuvenation of aged bitumen by the oxidation product of rapeseed oil biodiesel (F) is considered thu s contributing to the solution of global warming. Aging of bitumen was performed by...

    A. Ābele, R. Merijs-Meri, R. Bērziņa in International Journal of Pavement Research… (2021)

  2. No Access

    Article

    Comparative Analysis of Electromagnetic Response of PVA/MWCNT and Styrene-Acrylic Copolymer/MWCNT Composites

    The present paper focuses on electromagnetic response of polymeric composites with different concentrations of multiwall carbon nanotubes in the radio (20 Hz – 1 MHz) and microwave (26–36 GHz) frequency ranges...

    A. O. Plyushch, A. G. Paddubskaya, P. P. Kuzhir in Russian Physics Journal (2016)

  3. Article

    Vitrectomy for primary symptomatic vitreous opacities: an evidence-based review

    Floaters are a common ocular condition which form as a consequence of aging changes in the vitreous. Although in most patients the symptoms are minimal, they can cause significant impairment in vision-related ...

    T Ivanova, A Jalil, Y Antoniou, P N Bishop, J L Vallejo-Garcia, N Patton in Eye (2016)

  4. Article

    Open Access

    Plasma membrane poration by opioid neuropeptides: a possible mechanism of pathological signal transduction

    Neuropeptides induce signal transduction across the plasma membrane by acting through cell-surface receptors. The dynorphins, endogenous ligands for opioid receptors, are an exception; they also produce non-re...

    O Maximyuk, V Khmyz, C-J Lindskog, V Vukojević, T Ivanova, I Bazov in Cell Death & Disease (2015)

  5. Article

    A case of Hunter syndrome with bilateral retinal detachment

    T Ivanova, A Jalil, J L Vallejo-Garcia, N Patton in Eye (2014)

  6. Article

    KMTase Set7/9 is a critical regulator of E2F1 activity upon genotoxic stress

    During the recent years lysine methyltransferase Set7/9 ((Su(var)-3–9, Enhancer-of-Zeste, Trithorax) domain containing protein 7/9) has emerged as an important regulator of different transcription factors. In ...

    L Lezina, V Aksenova, T Ivanova, N Purmessur, A V Antonov in Cell Death & Differentiation (2014)

  7. Article

    Open Access

    miR-16 and miR-26a target checkpoint kinases Wee1 and Chk1 in response to p53 activation by genotoxic stress

    The tumour suppressor p53 is a crucial regulator of cell cycle arrest and apoptosis by acting as a transcription factor to regulate a variety of genes. At least in part, this control is exerted by p53 via regu...

    L Lezina, N Purmessur, A V Antonov, T Ivanova, E Karpova, K Krishan in Cell Death & Disease (2013)

  8. No Access

    Article

    Laser-induced deposition of hetero-metallic structures from liquid phase

    Laser-induced chemical-liquid phase deposition of hetero-metallic (Gu-Cr) structures is demonstrated for the first time. The deposition of hetero-metallic structures is of special interest thanks to wider rang...

    A. Manshina, T. Ivanova, A. Povolotskiy in Laser Physics (2010)

  9. No Access

    Article

    Er3+ as glass structure modifier of Ga–Ge–S chalcogenide system

    Er3+ clustering phenomenon in Ga–Ge–S chalcogenide system is studied using Raman spectroscopy. The Raman spectra from 10 to 500 cm−1 for glasses (100−y)[15Ga2S3–85GeS2]–yEr2S3 (y=0.08−5.00 mol. %) have been analy...

    A. Povolotskiy, T. Ivanova, A. Manshina, Y. Tver’yanovich in Applied Physics A (2009)

  10. No Access

    Article

    Dynamics of nanoclustering in Te+ implanted Si after application of high frequency electromagnetic field and thermal annealing

    Tellurium nanoclusters were synthesized in (100) Si by ion implantation followed by annealing for 60 min with a 0.45 MHz high-frequency electromagnetic field. The results were compared with previous ones for a...

    M. Kalitzova, O.I. Lebedev, G. Zollo, K. Gesheva, E. Vlakhov in Applied Physics A (2008)

  11. No Access

    Article

    On the mechanical and thermomechanical properties of low-density polyethylene/ethylene-α-octene copolymer blends

    Blends of low-density polyethylene (LDPE) and ethylene-octene copolymer (EOC) were obtained. The effect of EOC content and absorbed radiation dose on the mechanical and thermomechanical properties of LDPE/EOC ...

    D. Pizele, V. Kalkis, R. Merijs Meri, T. Ivanova in Mechanics of Composite Materials (2008)

  12. No Access

    Article

    Hypermethylation of Ron proximal promoter associates with lack of full-length Ron and transcription of oncogenic short-Ron from an internal promoter

    The gene for tyrosine-kinase receptor Ron (MST1R) resides in the chromosome 3p21.3 region, frequently affected in common human malignancies. The gene generates two transcripts, 5 and 2 kb-long, full-length Ron...

    D Angeloni, A Danilkovitch-Miagkova, T Ivanova, E Braga, E Zabarovsky in Oncogene (2007)

  13. No Access

    Chapter and Conference Paper

    Studies on the attenuating properties of various materials used for protection in radiotherapy and their effect of on the dose distribution in rotational therapy

    Protection of vital organs within a radiation field is one of the major concepts in radiotherapy. Measurements of beam attenuation by materials commonly used for protection in radiotherapy, such as lead, cerro...

    T. Ivanova, G. Malatara, Kristina Bliznakova in 11th Mediterranean Conference on Medical a… (2007)

  14. No Access

    Article

    Thermoplastic multiphase composites: Tensile and creep behavior

    It is shown that the strength of the investigated composite in which the concentration of chlorinated polyethylene can be as high as 60% (i.e., under the assumption that the matrix is formed by low-density pol...

    T. Ivanova, J. Zicans, M. Kalnins, R. Maksimov, Ž. Roja in Materials Science (2006)

  15. No Access

    Article

    Selective hydrogenolysis of benzyl-protected 1-hydroxy-3-hydroxyimino-2-pyrrolidinones

    On hydrogenolysis of 1-benzyloxy-3-benzyloxyimino-2-pyrrolidinones in the presence of 10% Pd/C selective removal occurs of the O-benzyl (Bn) protection of the hydroxamic acid, with retention of the double bond...

    M. Katkevichs, E. Korchagova, T. Ivanova in Chemistry of Heterocyclic Compounds (2006)

  16. No Access

    Article

    Mechanical Properties of Blends of Low-Density Polyethylene with Chlorinated Polyethylene

    The results of experimental investigation into the mechanical properties of blends of low-density polyethylene (LDPE) with chlorinated polyethylene (CPE) in tension are presented. The specimens of pure LDPE, C...

    R. D. Maksimov, T. Ivanova, J. Zicans, V. Kalkis in Mechanics of Composite Materials (2005)

  17. No Access

    Chapter and Conference Paper

    Heavy Metals Accumulation by Agricultural Crops Grown on Various Types of Soil in Polessje Zone of Ukraine

    L. Perepelyatnikova, T. Ivanova in Equidosimetry — Ecological Standardization… (2005)

  18. No Access

    Article

    Mechanical Properties of High-Density Polyethylene/Chlorinated Polyethylene Blends

    Results of experimental investigation of mechanical properties of high-density polyethylene (HDPE)/chlorinated polyethylene (CPE) blends in tension are reported. The specimens of pure HDPE, CPE, and nine types...

    R. D. Maksimov, T. Ivanova, M. Kalnins, J. Zicans in Mechanics of Composite Materials (2004)

  19. No Access

    Article

    Interaction of Hydroxylamine with Esters of 2-Oxobutenoic Acids. Synthesis of 1-Hydroxy-3-hydroximino-2-pyrrolidinones

    New 3-hydroximino-1-hydroxy-2-pyrrolidinones have been synthesized by the interaction of NH2OH and NH2OBn with the methyl esters of 2-oxo-3-butenoic acid derivatives. Some intermediate compounds have been isolate...

    M. Katkevics, E. Korchagova, T. Ivanova in Chemistry of Heterocyclic Compounds (2004)

  20. No Access

    Article

    Electrochromic behavior of CVD molybdenum oxide and Mo-W mixed-oxide thin films

    Thin films of molybdenum oxide, tungsten oxide, and mixed Mo-W oxide were prepared by atmospheric-pressure chemical vapor deposition. For all films, the technological conditions were kept constant. Mixed oxide...

    T. Ivanova, K. A. Gesheva, M. Ganchev in Journal of Materials Science: Materials in… (2003)

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