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排序方式: 共有530条查询结果,搜索用时 15 毫秒
1.
Nina ukanovi Slobodan Obradovi Marija Zdravkovi Sinia uraevi Maja Stojkovi Tomislav Tosti Neboja Jasni Jelena orevi Zoran Todorovi 《International journal of molecular sciences》2021,22(6)
Lipids play an essential role in platelet functions. It is known that polyunsaturated fatty acids play a role in increasing platelet reactivity and that the prothrombotic phenotype plays a crucial role in the occurrence of major adverse cardiovascular events. The ongoing increase in cardiovascular diseases’ incidence emphasizes the importance of research linking lipids and platelet function. In particular, the rebound phenomenon that accompanies discontinuation of clopidogrel in patients receiving dual antiplatelet therapy has been associated with changes in the lipid profile. Our many years of research underline the importance of reduced HDL values for the risk of such a rebound effect and the occurrence of thromboembolic events. Lipids are otherwise a heterogeneous group of molecules, and their signaling molecules are not deposited but formed “on-demand” in the cell. On the other hand, exosomes transmit lipid signals between cells, and the profile of such changes can be monitored by lipidomics. Changes in the lipid profile are organ-specific and may indicate new drug action targets. 相似文献
2.
Application of new insoluble dietary fibres from triticale as supplement in yoghurt – effects on physico‐chemical,rheological and quality properties 下载免费PDF全文
3.
Robert Groth Luke T. Cravigan Sadegh Niazi Zoran Ristovski Graham R. Johnson 《Journal of the Royal Society Interface》2021,18(178)
The airborne dynamics of respiratory droplets, and the transmission routes of pathogens embedded within them, are governed primarily by the diameter of the particles. These particles are composed of the fluid which lines the respiratory tract, and is primarily mucins and salts, which will interact with the atmosphere and evaporate to reach an equilibrium diameter. Measuring organic volume fraction (OVF) of cough aerosol has proved challenging due to large variability and low material volume produced after coughing. Here, the diametric hygroscopic growth factors (GF) of the cough aerosol produced by healthy participants were measured in situ using a rotating aerosol suspension chamber and a humidification tandem differential mobility analyser. Using hygroscopicity models, it was estimated that the average OVF in the evaporated cough aerosol was 0.88 ± 0.07 and the average GF at 90% relative humidity (RH) was 1.31 ± 0.03. To reach equilibrium in dry air the droplets will reduce in diameter by a factor of approximately 2.8 with an evaporation factor of 0.36 ± 0.05. Hysteresis was observed in cough aerosol at RH = ∼35% and RH = ∼65% for efflorescence and deliquescence, respectively, and may depend on the OVF. The same behaviour and GF were observed in nebulized bovine bronchoalveolar lavage fluid. 相似文献
4.
Mihail Ionescu Xianmei Wan Zoran S. Petrovi 《European Journal of Lipid Science and Technology》2020,122(7)
A new method for the synthesis of high‐molar‐mass (MM), bio‐based polyols for elastic polyurethanes is developed. This process is based on the self‐condensation of low MM polyols (Mn ≈ 1000) and vacuum removal of the resulting glycerol. Self‐condensation products are hyperbranched estolide polyols with average MMs close to 3000 and hydroxyl numbers in the range of 40–95 mg KOH g?1. Three polyols, one with primary and two with secondary hydroxyls and different functionalities, are studied. The transesterification proceeded much faster with primary hydroxyls, leading to high‐viscosity products. The effect of functionality and reactivity of starting polyols on properties is discussed. Practical applications: The process is useful for upgrading the existing natural oil‐based polyols to higher MM, lower OH number and variable‐functionality polyols, for expanding application in the urethane field. The process is simple, involving just an oil‐based polyol, a catalyst, and heating under vacuum. 相似文献
5.
Self‐assembled centimetre‐sized rods obtained in the oxidation of o‐phenylenediamine and aniline 下载免费PDF全文
Venkata Sai Sriram Mosali Graham A Bowmaker Melvin Gerard Paul A Kilmartin Jadranka Travas‐Sejdic Zoran D Zujovic 《Polymer International》2015,64(9):1135-1141
Morphologically well‐defined rods of approximately 1 cm in length are effectively and economically obtained by mixing ortho‐phenylenediamine (30 mmol L?1) with ammonium persulfate (12.5 mmol L?1) in an acidic solution (0.37 mol L?1 HCl) at room temperature with and without the presence of 50 mmol L?1 aniline. These self‐assembled, morphologically uniform products can be potentially scaled up and used as morphological templates to fabricate well‐defined structures of other materials such as conducting polymers. The products were characterized using Raman, UV‐visible, high‐resolution NMR (1H and 13C) and mass spectroscopies, X‐ray diffraction, scanning electron microscopy and elemental analysis. Apart from certain differences in visual appearance and in X‐ray diffractograms, other analytical data suggest that there are no structural changes upon addition of aniline into the reaction mixture. NMR and mass spectra imply that all syntheses carried out either with or without aniline result in a mixture of two products, attributed to 2,3‐phenazinediamine and 3‐aminophenazin‐2‐ol. A formation mechanism based on hydrogen bonding and π–π stacking has been proposed. © 2015 Society of Chemical Industry 相似文献
6.
Zoran Nenadic 《控制理论与应用(英文版)》2021,19(4):516-528
In this review article, we present more than a decade of our work on the development of brain–computer interface (BCI)
systems for the restoration of walking following neurological injuries such as spinal cord injury (SCI) or stroke. Most of
this work has been in the domain of non-invasive electroencephalogram-based BCIs, including interfacing our system with
a virtual reality environment and physical prostheses. Real-time online tests are presented to demonstrate the ability of
able-bodied subjects as well as those with SCI to purposefully operate our BCI system. Extensions of this work are also
presented and include the development of a portable low-cost BCI suitable for at-home use, our ongoing efforts to develop a
fully implantable BCI for the restoration of walking and leg sensation after SCI, and our novel BCI-based therapy for stroke
rehabilitation. 相似文献
7.
Binbin Chen Nicolas Gauquelin Daen Jannis Daniel M. Cunha Ufuk Halisdemir Cinthia Piamonteze Jin Hong Lee Jamal Belhadi Felix Eltes Stefan Abel Zoran Jovanović Matjaž Spreitzer Jean Fompeyrine Johan Verbeeck Manuel Bibes Mark Huijben Guus Rijnders Gertjan Koster 《Advanced materials (Deerfield Beach, Fla.)》2020,32(50):2004995
8.
One of the constant challenges faced by the Android community, when it comes to the safety of the end users, is the ability of applications to load code
dynamically. This mechanism may be used for both legitimate and malicious purposes. A particular problem is the fact that remote code is not analyzed
during the verification process because it doesn’t have to be present in the application package at the publishing time. Previous research has shown that
using this concept in an insecure way can cause serious consequences for the user and his device. Solving this problem has proved to be a big challenge
that many have tried to address in different ways. This paper deals with the problem of dynamic code loading on Android platform. For the purpose of this
paper, an application that demonstrates the abuse of the dynamic code loading concept has been developed and published in the Google Play Store. Also,
a proposal of the modified Android ecosystem that should address this problem and improve the security of the whole platform is given. 相似文献
9.
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