scholarly journals A modular approach towards functional supramolecular aggregates – subtle structural differences inducing liquid crystallinity

2016 ◽  
Vol 52 (55) ◽  
pp. 8549-8552 ◽  
Author(s):  
Michael Pfletscher ◽  
Christoph Wölper ◽  
Jochen S. Gutmann ◽  
Markus Mezger ◽  
Michael Giese
Keyword(s):  
Liquid Crystals ◽  
Functional Materials ◽  
Modular Approach ◽  
Liquid Crystallinity ◽  
Structural Differences ◽  
Supramolecular Aggregates ◽  
Efficient Screening ◽  
Complementary Binding

A modular approach towards photo-responsive supramolecular liquid crystals is described, allowing efficient screening of complementary binding blocks for the design of functional materials.

scholarly journals Features of CЕС technology for eco- and energytechnologies

2021 ◽  
pp. 89-96
Author(s):  
Mykola Sakhnenko ◽  
Hanna Karakurkchi ◽  
Tetiana Nenastina ◽  
Irina Yermolenko ◽  
Alla Korohodska
Keyword(s):  
Technological Process ◽  
Composite Coatings ◽  
Functional Materials ◽  
Modular Approach ◽  
Properties Of Coatings ◽  
Corrosion Properties ◽  
Energy Characteristics ◽  
Flexible Control ◽  
Energy Technologies ◽  
Time And Energy

Based on the analysis of the peculiarities of CEC formation, it is shown that their production and application is one of the world trends in functional electroplating and allows to solve a number of practical problems, in particular in the field of eco- and energy technologies. The deposition of polyfunctional CECs of cobalt with refractory metals was carried out from citrate-pyrophosphate electrolytes in galvanostatic and pulsed modes. The obtained composite coatings have a complex of increased mechanical and anti-corrosion properties, catalytic and photocatalytic activity, which determines the prospects for the use of the obtained thin-film materials in many industries. It is shown that the processes of formation of such multicomponent systems are very complex, a separate problem that needs to be solved is the organization of the technological process of CEC adapted to production needs. The scheme of organization of technological process on the basis of the modular approach which is based on results of complex researches of influence of quantitative characteristics of working electrolytes and modes of electrolysis on structure and properties of the synthesized coverings is developed. The generalized scheme of CEC technology reflects the sequence of generally accepted processes and operations in electrochemical production with the possibility of applying the modular principle of organization of galvanic sites and shops. Variability of technological schemes provides flexible control of the composition and properties of coatings by changing the time and energy characteristics of electrodeposition with insignificant adjustment of the quantitative and qualitative composition of electrolytes. The developed modular approach in the organization of technological process can be used as a basis for other electrochemical technologies of synthesis of functional materials.

scholarly journals Lyotropic liquid crystals and linear supramolecular polymers of end-functionalized oligosaccharides

2019 ◽  
Vol 55 (78) ◽  
pp. 11739-11742 ◽  
Author(s):  
Teemu T. T. Myllymäki ◽  
Aynur Guliyeva ◽  
Antti Korpi ◽  
Mauri A. Kostiainen ◽  
Ville Hynninen ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Lyotropic Liquid Crystals ◽  
Supramolecular Polymers ◽  
Liquid Crystallinity

Lyotropic liquid crystallinity and fibers were observed from linear supramolecular polysaccharides consisting in permethylated maltoheptaose both end-functionalized with UPy stickers.

Columnar Mesophases in Hybrid Organic−Inorganic Supramolecular Aggregates: Liquid Crystals of Fe, Cr, Mo, and W at Room Temperature, Built from Triazines and Metalloacid Complexes

2009 ◽  
Vol 21 (14) ◽  
pp. 3282-3289 ◽  
Author(s):  
Silverio Coco ◽  
Carlos Cordovilla ◽  
Cristina Domínguez ◽  
Bertrand Donnio ◽  
Pablo Espinet ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Room Temperature ◽  
Columnar Mesophases ◽  
Supramolecular Aggregates

A modular approach towards drug delivery vehicles using oxanorbornane-based non-ionic amphiphiles

2016 ◽  
Vol 4 (48) ◽  
pp. 8025-8032 ◽  
Author(s):  
D. Sirisha Janni ◽  
U. Chandrasekhar Reddy ◽  
Soumya Saroj ◽  
K. M. Muraleedharan
Keyword(s):  
Drug Delivery ◽  
Amino Acid ◽  
Self Assembly ◽  
The Self ◽  
Head Group ◽  
Modular Approach ◽  
Drug Delivery Vehicles ◽  
Delivery Vehicles ◽  
Drug Delivery Applications ◽  
Supramolecular Aggregates

The self-assembly of non-ionic amphiphiles with hydroxylated oxanorbornane head-group was controlled using amino acid units as spacers between hydrophilic and lipophilic domains to get spherical supramolecular aggregates suitable for drug delivery applications.

Carbon nanotubes in liquid crystals as versatile functional materials

2007 ◽  
Vol 244 (11) ◽  
pp. 4212-4217 ◽  
Author(s):  
Giusy Scalia ◽  
Jan P. F. Lagerwall ◽  
S. Schymura ◽  
M. Haluska ◽  
F. Giesselmann ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Liquid Crystals ◽  
Functional Materials

Dynamiclly Functional Materials Based on Hydrogen-Bonded Liquid Crystals

2014 ◽  
Vol 926-930 ◽  
pp. 68-71
Author(s):  
Zhi Lian Liu ◽  
Xiao Hui Li ◽  
Zhen Ning Yu
Keyword(s):  
Liquid Crystal ◽  
Liquid Crystals ◽  
Hydrogen Bonds ◽  
Functional Materials ◽  
Optical Microscope ◽  
Supramolecular Complexes ◽  
Pyridine Derivative ◽  
Crystal Texture ◽  
Crystal Properties ◽  
Hydrogen Bonded

A new series of supramolecular hydrogen-bonded liquid cryatals complexes were synthesized based on pyridine derivative and 4-n-alkoxybenzoic acids. The formation of hydrogen bonds was verified by infrared spectra. The thermal behavior of supramolecular liquid crystals was studied using differential scanning calorimeter (DSC). The liquid crystal texture was revealed with polarizing optical microscope (POM). It demonstrats that all supramolecular complexes have good liquid crystal properties.

scholarly journals Supramolecular Aggregates: Hardness Plus Softness

Molecules ◽  
2021 ◽  
Vol 26 (14) ◽  
pp. 4233
Author(s):  
Lia Queiroz do Amaral
Keyword(s):  
Liquid Crystals ◽  
Condensed Matter ◽  
Lyotropic Liquid Crystals ◽  
Specific Lipids ◽  
Scientific Content ◽  
Molecular Physics ◽  
Academic Context ◽  
X Ray ◽  
Alternative Approach ◽  
Supramolecular Aggregates

The properties of supramolecular aggregates cross several disciplines, embracing the sciences of nature and joining theory, experiment, and application. There are few articles centering on the problems of interdisciplinarity, and this paper gives an alternative approach, starting with scientific divulgation, bringing concepts from their origin, to facilitate the access of young scientists to the scientific content. Didactic examples are taken from the experience of the author in changing directions of research due to several circumstances of life (including maternity), starting from the view of a rigorous student of physics and evolving to several subjects in chemistry. The scientific part starts with concepts related to nuclear interactions, using the technique of neutron scattering in reactors, and evolves to research in molecular physics. Finally, it arrives at the academic context, with research in condensed matter physics, with X-ray and other techniques, starting with detergents forming nematic lyotropic liquid crystals and the phase transition sequence of isotropic to nematics to hexagonal. The scientific subjects evolved to biological and bio-inspired liquid crystals, including DNA and also specific lipids and phospholipids in biomimetic membranes. Special attention is given to the question of distribution of matter in these complex systems and the non-trivial connections between biochemistry, structures, auto-aggregation, and biology.

scholarly journals Multiscale Modeling of Molecular Structure and Optical Properties of Complex Supramolecular Aggregates

2020 ◽  
Author(s):  
Anna S. Bondarenko ◽  
Ilias Patmanidis ◽  
Riccardo Alessandri ◽  
Paulo C. T. Souza ◽  
Thomas L.C. Jansen ◽  
...  
Keyword(s):  
Energy Transport ◽  
Photophysical Properties ◽  
Functional Materials ◽  
Cyanine Dye ◽  
Multiscale Approach ◽  
Dye Molecules ◽  
Structure Property ◽  
Open Questions ◽  
Energetic Heterogeneity ◽  
Supramolecular Aggregates

<div> <div> <div> <p>Supramolecular aggregates of synthetic dye molecules offer great perspectives to prepare biomimetic functional materials for light-harvesting and energy transport. The design is complicated by the fact that structure-property relationships are hard to establish, because the molecular packing results from a delicate balance of interactions and the excitonic properties that dictate the optics and excited state dynamics, in turn sensitively depend on this packing. Here we show how an iterative multiscale approach combining molecular dynamics and quantum mechanical exciton modeling can be used to obtain accurate insight into the packing of thousands of cyanine dye molecules in a complex double-walled tubular aggregate in close interaction with its solvent environment. Our approach allows us not only to answer open questions on the structure of these prototypical aggregates, but also about their molecular-scale structural and energetic heterogeneity, and the microscopic origin of their photophysical properties. This opens the route to accurate predictions of energy transport and other functional properties.<br></p> </div> </div> </div>

Cyanostilbene bent-core molecules: a route to functional materials

2015 ◽  
Vol 3 (13) ◽  
pp. 3038-3048 ◽  
Author(s):  
M. Martínez-Abadía ◽  
B. Robles-Hernández ◽  
B. Villacampa ◽  
M. R. de la Fuente ◽  
R. Giménez ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Functional Materials ◽  
Current Interest ◽  
High Current

Multifunctional bent-core liquid crystals have been obtained by the incorporation of the high current interest cyanostilbene unit into a bent-shaped structure.

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