Metals and alloy systems have different phases at different temperatures and these phases are described in phase diagrams depending on the alloy composition. A series of alloy systems, shape memory alloys exhibit a peculiar property called shape memory effect at the β-phase [....] » Read More
In health sciences and particularly in –omics approaches, Mass spectrometry is of strategic importance for the detection and identification of specific molecules involved in biological processes, leading to a better understanding of physiological and physiopathological proc [....] » Read More
The synthesis and consolidation of High Entropy-Ultra-High Temperature Ceramics (HE-UHTCs) based on transition metal borides is addressed in this work. This emerging class of ceramics is based on the combination, in near equimolar proportions, of at least four constituents to gen [....] » Read More
Plasmonic materials are subjects of great interest due to their potential for a wide range of applications such as: catalysis, optoelectronics, drug delivery, etc. One particularly intriguing aspect is the ability of metal nanoparticles (NPs) to exhibit localized surface plasmon [....] » Read More
The Optical Equivalence Theorem demonstrates the equivalence between the expectation value of an operator in the opportune Hilbert space and the expectation value of the pertinent functional representation in the phase space formulation with respect to a sui [....] » Read More
More anomalous transport behaviors have been observed with the rapid progress in nanofabrication technology and characterization tools. The ions/molecules inside nanochannels can act dramatically different from the bulk systems and exhibit novel mechanisms. Here, we have reported [....] » Read More
Over the last few decades research on the cannabinoids has gone through several distinct phases: 1) research on the plant cannabinoids, mostly on tetrahydrocannabinol (THC) and cannabidiol (CBD); 2) research on the endogenous cannabinoids, mostly on anandamide and 2-arachidonoyl [....] » Read More
The present paper explains the study of Static Permittivity, Density and Ultrasonic Velocity and derived properties for the binary mixtures of Dimethylacetamide (DMA) with four isomers of tertiary alcohols over the entire concentration range were measured at 300 K. Using Experime [....] » Read More
Ionic liquids are an important and interesting application-oriented molecules. Ionic liquids consist of organic cationic segment which is pharmaceutically active and a simple inorganic anion which is easily soluble in water, hence ionic liquids are used in pharma industries. Dime [....] » Read More
In this invited lecture, enhanced physical properties of hybrids composed of γ-Al2O3 nanorods and reduced graphite oxide (rGO) platelets will be discussed which are prepared after calcination and hot-press processing. The hybrid processed at various calcination time shows a [....] » Read More
Due to the predicted increase in heavy oil production spurred on by energy problems, challenges relating to asphaltene are receiving increased attention. The formation of tough emulsions and blocked wellbores caused by asphaltene precipitation make production operations difficult [....] » Read More
With the increasing consumption of energy, depletion of traditional fossil fuels, and much stricter environmental regulation, chemicals generated from biomass are gaining attention due to the zero CO2 balance. Transforming biomass into feedstocks requires highly efficient and rob [....] » Read More
In the face of the abusive and repeated use of synthetic insecticides that are harmful to human health and to the viability of the cotton production system in Côte d'Ivoire, finding alternatives becomes imperative. Thus, the objective of this study was to study the chem [....] » Read More
Title : Are you harming the environment with your research ? Introducing novel environmentally friendly chemistries
Thomas J Webster, Hebei University of Technology, China
Many scientists blame large industries for harming the environment, such as the oil and petroleum, automobile, airline, construction, etc. industries. This presentation will highlight how through our own research in our own laboratories we too are harming the environment. Whether [....] » Read More
Title : The EVA technique in analytical biochemistry
Pier Giorgio Righetti, Milan Polytechnic, Italy
The EVA methodology that will be presented consists in a hydrophilic polymer of ethylene-vinyl acetate (this is the origin of the acronym EVA) admixed with very fine particles of solid-phase sorbents (strong anion and cation exchangers added with hydrophobic resins such as C8 and [....] » Read More
Title : Theoretical modeling in organic nanophotonics: Processes and devices
Alexander Bagaturyants, Russian Academy of Science, Russian Federation
Multiscale atomistic simulation methods are applied to studying excited molecules in organic materials and their interaction with neighboring molecules. The formation of exciplexes at the interface between layers of organic molecules in multilayer structures, typical for organic [....] » Read More
Title : Reactive oxygen species (ROS) act as chemical switch from supporting survival to death of cancer cells
Kaushala Prasad Mishra, Bhabha Atomic Research Center, India
Reactive oxygen species (ROS) are a group of highly reactive oxygen centred free radical chemical species in normal and cancer cells. In normal cells, ROS are maintained in tight control of level of the antioxidants. On the other hand, the level of ROS is generally elevated in ca [....] » Read More
Title : Distal functionalization via transition metal catalysis
Haibo Ge, Texas Tech University, United States
The ubiquitous presence of sp3 C−H bonds in natural feedstock makes them inexpensive, easily accessible, and attractive synthons for the preparation of common and/or complex molecular frameworks in biologically active natural products, pharmaceutics, agrochemicals, and mate [....] » Read More
Title : Implications of metal complexes in biology and medicine
Brij Bushan Tewari, University of Guyana, Guyana
The importance of metal ions to essential functions of living systems and for the wellbeing of living organisms is well known. Metal ions are fundamental elements for the maintenance of the life spans of the human, animals and plants. The stability constants of Cd2+, Fe2+ and Zn2 [....] » Read More
Title : Novelty determination in the design of drug molecules chemical formula
Sunil Kumar, Nottingham Trent University, United Kingdom
The primary motivation behind choosing the topic is to analyze the novelty criteria for Active Pharmaceutical Ingredients (API) products and process patents. As a pharma chemist specializing in organic chemistry, the genuine concern is whether a general Markush structure could de [....] » Read More
Title : Continuous crystallization of energetic materials using continuous oscillatory baffled crystalliser
Ruaraidh Wells, NiTech Solutions, United Kingdom
Energetic materials such as explosives and solid propellants are typically manufactured in batch processes. Poor heat and mass transfers in batch vessels can lead to products produced with significant batch-to-batch variations, including inconsistent purity and wide particle size [....] » Read More
Title : Mediplas: More than a simple ozone generator
Stefan Nettesheim, Relyon plasma GmbH a TDK group company, Germany
Dielectric barrier discharge flow reactors are among the most efficient technologies to produce ozone based on oxygen. If ambient air is used the chemistry gets much more complex and involves many competing reaction pathways and yields a mixture of ozone with nitric oxi [....] » Read More
Title : Quantification of target compounds in environmental waters by the combination of MEPS and PTV-GC-MS/MS, optimized through experimental design-PCA approaches: A case study with benzothiazoles, benzotriazoles and benzenesulfonamides
Attilio Naccarato, University of Calabria, Italy
This study proposes a new method for the fast quantification of benzothiazoles (BTs), benzotriazoles (BTRs), and benzenesulfonamides (BSAs) in tap water, river water, and wastewater. The presented approach is based on the use of microextraction by packed sorbent (MEPS) combined w [....] » Read More
Title : The properties and potential of N-methyl-N-nitrosourea
Ana I Faustino, Center for the Research and Technology of Agro-environmental and Biological Sciences, Portugal
A carcinogen in any agent able to cause cancer in humans or animals, increases cancer incidence or malignancy, or shortens the latency period. A chemical is considered carcinogenic after being intensively studied by researchers and after one or more agencies evaluated the evide [....] » Read More
Title : Thin nanostructured films as food packaging
Iliana Ivanova, Sofia University, Bulgaria
Nanoparticles included in food packaging could adsorb oxygen, produce reactive oxygen species and destroy microorganisms in food to prolong the food storage. Antimicrobial packaging is not still in the market, but copper, Zink and TiO2 are reported as promising antimicrobial mate [....] » Read More
Title : Structural features of substituted azoles bearing a biologically active heterocycle and their complexes: NMR study
Vladimir Voronov, Irkutsk National Research Technical University, Russian Federation
The research work, carried out with the participation of this competition applicant, was devoted to, first of all, the structural analysis of molecular (multi-electron) systems using 1H and 13C nuclear magnetic resonance (NMR) spectra. In a number of cases, other NMR spectra (apa [....] » Read More
Title : A study on the possibility and optimization of SMR cycle natural gas liquefaction process for LNG-FPSO using polar seawater temperature
Donghee Lee, Saint Petersburg Mining University, Russian Federation
Recently, as the demand for natural gas has increased, the global liquefied natural gas (LNG) market has also expanded significantly. Consequently, several new LNG production projects are currently under development worldwide. The Arctic region is believed to contain significant [....] » Read More
Title : Electrostatic alteration of inversion frequency for a model potential of the ammonia molecule
Theodosios Geo Douvropoulos, Hellenic Naval Academy, Greece
In the current work, we analytically study the possibility of electrostatic control of a model potential corresponding to the ammonia molecule. The model is described by a one-dimensional double-well potential as far as the relative position of the nitrogen atom to the hydrogen l [....] » Read More
Title : Aryl triazole-scaffold for multitarget anticancer immunomodulating drug discovery
Eva Falomir Ventura, Jaume I University, Spain
A small library of aryl triazole-scaffold derivatives have been developed using click chemistry synthetic strategies. Docking studies using PD-L1 and VEGFR-2 crystallographic data confirmed their potential targeted action. The antiproliferative activity on monocultures of several [....] » Read More
Title : Domino annulations based on chromonyl-norbornyl-palladacycle intermediate
Wen Yong Han, Zunyi Medical University, China
The close relationships between biological activity, molecular complexity, and structural diversity stimulate synthetic chemists and pharmaceutical chemists to develop novel strategies to access significant structures inspired from natural products or bioactive molecules. Chromon [....] » Read More
Title : Synthesis of macrodisperse silica as a filler for rubber technical goods
Andrei Sumich, Belarusian State Technological University, Belarus
In this work m acrodisperse silica was synthesized by the hydrolysis of diluted liquid glass (≈15w.% of SiO2, molar SiO2/Na2O≈3.0) with 1N H2SO4. The liquid glass was added to the solution of sulfuric acid while continuous mixing until the pH of the reaction mixture a [....] » Read More
Title : Design and development of novel apramycin antibiotics
Dmitrijs Lubriks, Latvian Institute of Organic Chemistry, Latvia
Apramycin is an atypical 2-deoxystreptamine-type aminoglycoside antibiotic (AGA) isolated from Streptomyces ribosidificus. It is well known in veterinary and is used for treatment of many bacterial diseases. In our study it was chosen as a basis for the development of new antibio [....] » Read More
Title : Quantum chemical study of the molecular structure of butyl trimethyl ammonium cation
Nina Belotserkovets, Tver State University, Russian Federation
Salts containing alkyltrimethylammonium cations are widely studied as ionic liquids (ILs). The structure of the cation significantly affects the properties of ionic liquids and the possibility of their use for various purposes. In this work, in order to systematically study the r [....] » Read More
Title : Donor-acceptor interaction between biologically active hesperetin 7-rhamnoglucoside and ?-acceptors DDQ and TCNE
Habiba Amira Guebailia, Laboratory of Applied Chemistry -LCA, University, Algeria
The interactions between a biologically active flavonoid, Hesperetin 7-rhamnoglucoside ( HESP) and two of the most known π- acceptors DDQ and TCNE were investigated leading to two new charge transfer complexes (CTC). UV- Visible spectrophotometry was used to follow the reactio [....] » Read More