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139篇 您的检索式:作者名="Nataliya"
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1Additive manufacturing of high entropy alloys:A practical review显示文摘The novel idea of alloying,which is based on the utilization of multiple principal elements in high concentrations,has created a novel class of promising materials called high entropy alloys(HEAs).So far,several HEAs with outstanding properties beyond those of conventional alloys have been discovered,and new superior high-entropy alloys are still expected to be developed in the future.However,the fabrication process of HEAs through conventional manufacturing techniques suffers from significant limitations due to the intrinsic requirements of HEAs.Additive manufacturing(AM),on the other hand,has provided new opportunities for fabricating geometrically complex HEAs with the possibility of in situ tailoring of their microstructure features.Considering the growing interest in AM of HEAs during most recent years,this review article aims at providing the state of the art in AM of HEAs.It describes the feedstock requirements for laser based AM techniques.Thereafter,a comprehensive picture of the current state of nearly all HEAs processed by laser metal deposition(LMD),selective laser melting(SLM)and selective electron beam melting(SEBM)is presented.Special attention is paid to the features of AM derived microstructures along with their outstanding properties and underlying mechanisms for various material processing combinations.The AM of interstitial solute hardening HEAs,HEA matrix composites as well as non-beam based AM of HEAs will also be addressed.The post-AM treatments and the strategies to fabricate defect-free HEAs are summarized.Finally,a conclusion of current state and future prospects of additive manufacturing of HEAs will be presented.Ahmad Ostovari Moghaddam Nataliya A.Shaburova Marina N.Samodurova Amin Abdollahzadeh Evgeny A.Trofimov 2021Journal of Materials Science & Technology2021,,18:11
2Global methylation status of sperm DNA in carriers of chromosome structural aberrations显示文摘男不孕可能清楚地在人的精子与异常 DNA methylation 模式被联系。在氧化应力和精子染色体的全球 methylation 地位之间的一个协会也被建议了。现在的学习的目的是决定全球精子 DNA methylation 地位是否在染色体的搬运人的精子被影响结构的错误。在 5-methylcytosine 之间的关系(m 5 C ) 在精子和染色质正直地位的层次被评估。学习病人包括了染色体的男搬运人有繁殖失败的结构的错误(n = 24 ) ,并且控制包括了 normozoospermic 精子志愿者(n = 23 ) 。全球 m 5 C 水平用薄层的层析(TLC ) 和 immunofluorescence 被测量(如果) 技术。精子染色质正直用染色的苯胺蓝色(AB ) 和 TUNEL 试金被估计。吝啬的 m 5 C 层次在调查染色体之间是类似的结构的错误搬运人(P) 和控制(K) 。然而,精子染色质完整测试比在控制在 chromosomal 重新整理搬运人揭示了显著地更高的值(P <0.05 ) 。尽管在精子染色质正直地位和精子 DNA 破碎和 m 5在两个都分析的组( P 对 K )并列的 C 水平以一种清楚地相反的方式被代表,低染色质正直可能与在染色体的搬运人观察的精子 DNA 的高 hypomethylation 地位被联系结构的错误。Marta Olszewska Miroslawa Z Barciszewska Monika Fraczek Nataliya Huleyuk Vyacheslav B chernykh Danuta Zastavna Jan Barciszewski Maciej Kurpisz 2017Asian Journal of Andrology2017,19,1:8
3Synthesis and biological activities of novel 2-amino-1,3-thiazole-4-carboxylic acid derivatives显示文摘A series of novel 2-amino-1,3-thiazole-4-carboxylic acid derivatives were designed and synthesized.Their structures were confirmed by melting points, IR,1H NMR,13 C NMR, and HRMS or elemental analysis. Biological activities of all title compounds including fungicidal activity and antivirus activity were evaluated systematically. Preliminary bioassays indicated that these compounds exhibited good fungicidal activity at 50 mg/m L, compounds 4b and 4i exhibited over 50% activity against six fungi tested.Most compounds showed good activity against TMV with different models in vivo at 100 mg/m L.Compounds 4c and 4e stood out with high effects against TMV in vivo in all models tested, including protective, inactivative, curative, and inductive activities. These data demonstrate a new strategy for fungi and virus control.Feng-Yun Li Xiao-Feng Guo Zhi-Jin Fan Yu-Qing Zhang Guang-Ning Zong Xiao-Lin Qian Liu-Yong Ma Lai Chen Yu-Jie Zhu Kalinina Tatiana Yury Yu.Morzherin Nataliya P.Belskaya 2015Chinese Chemical Letters2015,26,10:5
4Synthesis of cyclic carbonates from epoxides or olefins and CO_2 catalyzed by metal-organic frameworks and quaternary ammonium salts显示文摘Catalytic properties of the metal-organic framework Cr-MIL-101 in solvent-free cycloaddition of CO2to epoxides to produce cyclic carbonates using tetrabutylammonium bromide as co-catalyst have been explored under mild reaction conditions (8 bar CO2, 25C). Styrene and propylene carbonates were formed with high yields (95% and 82%, respectively). Catalytic performance of Cr-MIL-101 was compared with other MOFs: Fe-MIL-101, Zn-MOF-5 and HKUST-1. The catalytic properties of different quaternary ammonium bromides, Cr-MIL-101 as well as PW 12 /Cr-MIL-101 composite material have been assessed in oxidative carboxylation of styrene in the presence of both tert-butyl hydroperoxide and H2O2 as oxidants at 8 100 bar CO2and 25 80C with selectivity to styrene carbonate up to 44% at 57% substrate conversion.Olga V. Zalomaeva Nataliya V. Maksimchuk Andrey M. Chibiryaev Konstantin A. Kovalenko Vladimir P. Fedin Bair S. Balzhinimaev 2013Journal of Energy Chemistry2013,22,1:5
5Contribution of pancreatic enzyme replacement therapy to survival and quality of life in patients with pancreatic exocrine insufficiency显示文摘The objective of this study was to analyze the current evidence for the use of pancreatic enzyme replacement therapy (PERT) in affecting survival and quality of life in patients with pancreatic exocrine insufficiency (PEI). Systematic searches of the literature were performed using the PubMed database. Articles were selected for inclusion if they reported findings from trials assessing the effects of PERT on quality of life, survival, malabsorption, growth parameters (such as height, body weight and body mass index), or gastrointestinal symptoms (such as abdominal pain, stool consistency and flatulence). PERT improved PEI-related malabsorption and weight maintenance in patients with cystic fibrosis, chronic pancreatitis, pancreatic cancer, and post-surgical states. In patients with chronic pancreatitis, PERT improved PEI-related symptoms and quality of life measures. Several small retrospective studies have also suggested that PERT may have a positive impact on survival, but long-term studies assessing this effect were not identified. PERT is effective for treating malnutrition and supporting weight maintenance, and it is associated with improved quality of life and possibly with enhanced survival in patients with PEI. However, there is evidence that not all patients with PEI receive adequate PERT. Future work should aim to assess the long-term effects of PERT on the survival of patients with PEI.Peter Layer Nataliya Kashirskaya Natalya Gubergrits 2019World Journal of Gastroenterology2019,25,20:4
6Synthesis of 3,5-Dichloro-4-(1,1,2,2-tetrafluoroethoxy)phenyl Containing 1,2,3-Thiadiazole Derivatives via Ugi Reaction and Their Biological Activities显示文摘包含 4-methyl-1,2,3-thiadiazole 衍生物的一系列新奇 3,5-dichloro-4-(1,1,2,2-tetrafluoroethoxy ) 苯基经由 Ugi 反应被设计并且综合。他们的结构被红外, 1H NMR, 13C NMR 和高分辨率的集体光谱学证实。初步的生物鉴定结果显示一些标题混合物在 50 g/mL 举办了好杀真菌剂活动;大多数混合物在 500 g/mL 和 100 g/mL 对烟草马赛克病毒介绍了直接抑制活动,好 inactivation 和药品活动的某个度;一些混合物对 Plutella xylostella L 显示出好 larvicidal 活动。在对在 2 g/mL 的一种蚊虫 pipiens pallens 的 200 g/mL 和优秀 larvicidal 活动。Wang Shouxin Wang Huan Fan Zhijin Fu Yifeng Mi Na Zhang Jufang Zhang Zhengcai Belskaya Nataliya P. Bakulev Vasiliy A. 2011Chinese Journal of Chemistry2011,29,2:4
7Hot spots of DNA double-strand breaks and genomic contacts of human rDNA units are involved in epigenetic regulation显示文摘DNA double-strand breaks(DSBs)are involved in many cellular mechanisms,including replication,transcription,and genome rearrangements.The recent observation that hot spots of DSBs in human chromosomes delimit DNA domains that possess coordinately expressed genes suggests a strong relationship between the organization of transcription patterns and hot spots of DSBs.In this study,we performed mapping of hot spots of DSBs in a human 43-kb ribosomal DNA(rDNA)repeated unit.We observed that rDNA units corresponded to the most fragile sites in human chromosomes and that these units possessed at least nine specific regions containing clusters of extremely frequently occurring DSBs,which were located exclusively in non-coding intergenic spacer(IGS)regions.The hot spots of DSBs corresponded to only a specific subset of DNase-hypersensitive sites,and coincided with CTCF,PARP1,and HNRNPA2B1 binding sites,and H3K4me3 marks.Our rDNA-4C data indicate that the regions of IGS containing the hot spots of DSBs often form contacts with specific regions in different chromosomes,including the pericentromeric regions,as well as regions that are characterized by H3K27ac and H3K4me3 marks,CTCF binding sites,ChIA-PET and RIP signals,and high levels of DSBs.The data suggest a strong link between chromosome breakage and several different mechanisms of epigenetic regulation of gene expression.Nickolai A.Tchurikov Daria M.Fedoseeva Dmitri V.Sosin Anastasia V.Snezhkina Nataliya V.Melnikova Anna V.Kudryavtseva Yuri V.Kravatsky Olga V.Kretova 2015Journal of Molecular Cell Biology2015,7,4:3
8Brief electrical nerve stimulation enhances intrinsic repair capacity of the focally demyelinated central nervous system显示文摘Our lab has shown that brief electrical nerve stimulation(ES)has a dramatic impact on remyelination of lysophosphatidyl choline(LPC)-induced focally demyelinated rat peripheral nerves,while also inducing an axon-protective phenotype and shifting macrophages from a predominantly pro-inflammatory toward a pro-repair phenotype.Whether this same potential exists in the central nervous system is not known.Thus,for proof of principle studies,the peripheral nerve demyelination and ES model was adapted to the central nervous system,whereby a unilateral focal LPC-induced demyelination of the dorsal column at the lumbar enlargement where the sciatic nerve afferents enter was created,so that subsequent ipsilateral sciatic nerve ES results in increased neural activity in the demyelinated axons.Data reveal a robust focal demyelination at 7 days post-LPC injection.Delivery of 1-hour ES at 7 days post-LPC polarizes macrophages/microglia toward a pro-repair phenotype when examined at 14 days post-LPC;results in smaller LPC-associated regions of inflammation compared to non-stimulated controls;results in significantly more cells of the oligodendroglial lineage in the demyelinated region;elevates myelin basic protein levels;and shifts the paranodal protein Caspr along demyelinated axons to a more restricted distribution,consistent with reformation of the paranodes of the nodes of Ranvier.ES also significantly enhanced levels of phosphorylated neurofilaments detected in the zones of demyelination,which has been shown to confer axon protection.Collectively these findings support that strategies that increase neural activity,such as brief electrical stimulation,can be beneficial for promoting intrinsic repair following focal demyelinating insults in demyelinating diseases such as multiple sclerosis.All animal procedures performed were approved by the University of Saskatchewan's Animal Research Ethics Board(protocol#20090087;last approval date:November 5,2020).Lydia Ayanwuyi Nataliya Tokarska Nikki A.McLean Jayne M.Johnston Valerie M.K.Verge 2022Neural Regeneration Research2022,17,5:3
9Cholangiocarcinoma显示文摘Nataliya Razumilava Gregory J Gores 2014The Lancet2014,,:2
10The Evaluation of the Sound Insulation of Partition in Expanded Frequency Range显示文摘Nataliya Samoylenko Vitaliy Didkovskiy 2013Journal of Physical Science and Application2013,3,4:2
11Design, Synthesis and Biological Evaluation of Isothiazole Based 1,2,4-Trizaole Derivatives显示文摘Lai Chen Qifan Wu Zhijin Fan Hongpeng Li Jiwei Li Wenhao Hu Xiumei Liu Nataliya P Belskaya Tatiana Glukhareva Bin Zhao 2018Chinese Journal of Chemistry2018,36,8:2
12Synthesis, Crystal Structure and Biological Activity of Diethyl 1,4-dihydro-2,6-dimethyl-4-(4-methyl-1,2,3-thiadi azol-5-yl)pyridine-3,5-dicarboxylate显示文摘The title compound diethyl 1,4-dihydro-2,6-dimethyl-4-(4-methyl-1,2,3-thiadiazol-5-yl) pyridine-3,5-dicarboxylate(C16H21N3O4S, Mr = 351.42) was prepared by the Hantszch reaction with 4-methyl-1,2,3-thiadiazole-5-formaldehyde, ethyl acetoacetate and ammonium acetate in the presence of aluminum chloride in alcohol, and its structure was characterized by IR spectra, 1H-NMR, EA, and single-crystal X-ray diffraction. The crystal of the title compound belongs to monoclinic system, space group P21/n with a = 11.300(2), b = 12.771(3), c = 12.826(3) ?, β = 96.55(3)o, V = 1839.0(6) ?3, Z = 4, Dc = 1.296 g/cm3, μ(MoKa) = 0.71073 mm-1, F(000) = 744, R = 0.0981 and wR = 0.1994. X-ray diffraction result shows that the torsion angles of N(1)–C(2)– C(3)–C(4) and C(2)–C(3)–C(4)–C(8) are 178.9(3)° and –130.3(3)°, respectively. All rings in the title compound are non-planar. The bioassay results indicate that the title compound has good fungicidal activity, good antivirus activity against tobacco mosaic virus and certain extent of insecticidal activity against Mythimna separata.李娟娟 华学文 范志金 姬晓恬 宗广宁 李凤云 黄云 宋海滨 刘超伦 Yury Yu. Morzherin Nataliya P. Belskaya Vasiliy A. Bakulev 2014Chinese Journal of Structural Chemistry2014,33,4:2
13A hedgehog survival pathway in ‘undead’ lipotoxic hepatocytes显示文摘Keisuke Kakisaka Sophie C. Cazanave Nathan W. Werneburg Nataliya Razumilava Joachim C. Mertens Steve F. Bronk Gregory J. Gores 2012Journal of Hepatology2012,,4:2
14Empagliflozin alleviates podocytopathy and enhances glomerular nephrin expression in db/db diabetic mice显示文摘BACKGROUND Modern guidelines recommend sodium-glucose cotransporter-2(SGLT2)inhibitors as the preferred antihyperglycemic agents for patients with type 2 diabetes and chronic kidney disease.However,the mechanisms underlying the renal protective effect of SGLT2 inhibitors are not fully understood.structure of podocytes and nephrin expression in glomeruli in db/db diabetic mice.METHODS We treated 8-wk-old male db/db mice with EMPA(10 mg/kg/d)or vehicle for 8 wk.Age-matched male db/+mice were included as non-diabetic controls.Parameters of body composition,glycemic and lipid control,and plasma concentrations of leptin,insulin and glucagon were assessed.We evaluated renal hypertrophy as kidney weight adjusted to lean mass,renal function as plasma levels of creatinine,and albuminuria as the urinary albumin-to-creatinine ratio(UACR).Renal structures were studied by light and transmission electron microscopy with a focus on mesangial volume and podocyte structure,respectively.Glomerular nephrin and transforming growth factor beta(TGF-β)were assessed by immunohistochemistry.RESULTS Severe obesity and hyperglycemia developed in db/db mice prior to the start of the experiment;increased plasma concentrations of fructosamine,glycated albumin,cholesterol,leptin,and insulin,and elevated UACR were detected.Mesangial expansion,glomerular basement membrane thickening,and increased area of TGF-βstaining in glomeruli were revealed in vehicle-treated mice.Podocytopathy was manifested by effacement of foot processes;nephrin-positive areas in glomeruli were reduced.EMPA decreased the levels of glucose,fructosamine and glycated albumin,UACR,kidney hypertrophy,mesangial expansion,glomerular basement membrane thickening,and glomerular TGF-βstaining,alleviated podocytopathy and restored glomerular staining of nephrin.CONCLUSION These data indicate that EMPA attenuates podocytopathy in experimental diabetic kidney disease.The anti-albuminuric effect of EMPA could be attributed to mitigation of podocyte injury and enhancement of nephrin expression.Vadim V Klimontov Anton I Korbut Iuliia S Taskaeva Nataliya P Bgatova Maksim V Dashkin Nikolai BOrlov Anna S Khotskina Evgenii L Zavyalov Thomas Klein 2020World Journal of Diabetes2020,11,12:2
15Role of the physico-chemical factors in the purification process of water from surface-active matter by biosorption显示文摘NATALIYA K MARGRETHE W N SERGEY S 2002Water Research2002,36,20:1
16Electrochemical investigation of microemulsions in the Cl2 H25 SO3 Na - BuOH - C7 H16 - H2O system at different water contents 显示文摘Chunsheng Mo Nataliya N Kochurova 1999Mendeleev Cornmun1999,9,6:1
17Markov switc- hing multinomial logit model: An application to accident-in- iury severities显示文摘Nataliya V Malyshkina Fred L Mannering 2009Acc Anal Prevent2009,,4:1
18Lunar project ILOM:application of the analytical theory of Lunar physical libration for the simulation of star observations显示文摘This study briefly describes the targets and problems of the future Japanese project In situ Lunar Orientation Measurement(ILOM),which is planned for the year 2017.One of the important parts of the project is to place a small optical telescope on the Lunar surface with the purpose to detect the Lunar physical libration with unprecedented accuracy 0.001 arcsec.At the present stage of research the computer simulation of future observations is going on,aiming to determine the moments of transition of a star through the first meridian and the polar distance of the star.Rotation of the Moon is being calculated under the analytical theory developed in the frame of a theme of the grant.A list of stars brighter than 12 m,whose coordinates are close to the Lunar precession pole motion,was constructed on the basis of several star catalogues.On average,for each moment of observation in the field of view of the telescope(1°) there are approximately 20-25 stars.Analyses of simulated stellar tracks observable from the Lunar surface(in a polar zone) reveal the significant difference from daily parallels of stars in comparison with the Earth.During one Lunar 'day' equal 237 terrestrial days,a star moves on a spiral.However,depending on a longitude of a star,these spirals can be untwisted or twisted.In the latter case a star can describe a loop in the sky of the Moon during the period of supervision.Such an unusual astrometric phenomenon combined with the slow rotation of the Moon is compared with the Earth and the fast precession motion of the Lunar pole(in comparison with the precession motion of a terrestrial pole).PETROVA Nataliya GUSEV Alexander PING JinSong IVANOVA Tamara HANADA Hideo KAWANO Nobuyuki SU XiaoLi 2012Science China(Physics,Mechanics & Astronomy)2012,55,5:1
19Suppression of Acquired Docetaxel Resistance in Prostate Cancer through Depletion of Notch- and Hedgehog-Dependent Tumor-Initiating Cells显示文摘Josep Domingo-Domenech Samuel J. Vidal Veronica Rodriguez-Bravo Mireia Castillo-Martin S. Aidan Quinn Ruth Rodriguez-Barrueco Dennis M. Bonal Elizabeth Charytonowicz Nataliya Gladoun Janis de la Iglesia-Vicente Daniel P. Petrylak Mitchell C. Benson Jose M 2012Cancer Cell2012,,3:1
20The effect of folate-related SNPs on clinicopathological features, response to neoadjuvant treatment and survival in pre- and postmenopausal breast cancer patients显示文摘Nataliya Babyshkina Elena Malinovskaya Mariya Nazarenko Mariya Koval Polina Gervas Olga Potapova Elena Slonimskaya Nadejda Cherdyntseva 2013Gene2013,,:1
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