Browsing Área de Química Orgánica by Title
Now showing items 1-20 of 61
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Acid-Free Microwave-Assisted Hydrothermal Extraction of Pectin and Porous Cellulose from Mango Peel Waste – Towards a Mango Waste Biorefinery
(The Royal Society of Chemistry, 2016-06-17)Mango is the second most consumed tropical fruit after banana and the by-products of mango processing (peel, kernel and seed) roughly comprise 35–60% of the total fruit weight, thus representing a potentially high volume ... -
[All]-S,S-dioxide Oligo-Thienylenevinylenes: Synthesis and Structural/Electronic Shapes from Their Molecular Force Fields
(ChemPubSoc Europe, 2019-01-07)Oligo-S,S-dioxothienylenevinylenes have been prepared by transferring oxygen atoms to the sulfur atoms using the HOF·CH3CN complex. Their photophysical properties are presented in comparison with their thio phenevinylene ... -
Autonomous self-healing hydrogel with anti-drying properties and applications in soft robot
(Elsevier, 2020-08)Mimicking nature’s self-healing ability has always been desired in science, especially when devices accumulate damage over time with performance, including the loss of function due to deterioration. SHAP (Self-Healing ... -
Carbon Nanohorns as Alternative Gene Delivery Vectors
(2013-01)This work highlights the use of carbon nanohorns as gene delivery carriers. These carbon nanomaterials are promising candidates for the development of efficient and safe non-viral vectors. The advantages are their easy ... -
Concentration Gradient-Based Soft Robotics: Hydrogels Out of Water
(Wiley, 2020-08)Hydrogels are biocompatible soft materials that resemble biological tissues more than any other material. However, the use of these systems in soft robotics has been limited to aqueous environments. In the work published ... -
CuSCN as Selective Contact in Solution Processed Small Molecule Organic Solar Cells Leads to over 7% Efficient Porphyrin Based Device
(2016)Two conjugated acceptor?p?donor?p?acceptor (A?p?D?p?A) small molecules with a zinc porphyrin donor core and 3-ethylrhodanine terminal acceptors connected at the meso positions by ethynylene groups and linked by one or two ... -
Cyclopentadithiophene-based Co-oligomers for Solution-processed Organic Solar Cells
(2017)A new family of low band-gap co-oligomers based on 4H-cyclopenta[2,1-b:3,4-b']dithiophene (CPDT) and thieno[3,2-b]thiophene (TT) units as central electron-donor cores has been synthesized and characterized for use as ... -
Design of Assembled Systems Based on Conjugated Polyphenylene Derivatives and Carbon Nanohorns
(Wiley, 2016-07-12)Promising materials have been designed and fully characterized by an effective interaction between versatile platforms as carbon nanohorns (CNHs) and conjugated molecules based on thiophene derivatives. Easy and ... -
Easy and Versatile Synthesis of Bulk Quantities of Highly Enriched 13C-Graphene Materials for Biological and Safety Applications
(American Chemical Society, 2022-12)The preparation of bulk quantities of 13C-labeled graphene materials is relevant for basic investigations and for practical applications. In addition, 13C-labeled graphene materials can be very useful in biological and ... -
Eco-friendly mechanochemical synthesis of titania-graphene nanocomposites for pesticide photodegradation
(Elsevier, 2022-02)Titania graphene hybrid nanocomposites (TiO2-FLG) synthesized from graphite and TiO2 precursors, in a simple and sustainable approach via a three-step method, including the mechanochemical treatment of pre-synthesized FLG ... -
Efficiency Improvement Using Bis(trifluoromethane) Sulfonamide Lithium Salt as Chemical Additive in Porphyrin Based Organic Solar Cells
(2016)Two new conjugated acceptor-#960;-donor-#960;-acceptor (A-#960;-D-#960;-A) porphyrins have been synthesised using 3-ethylrhodanine (1a) or dicyanovinylene (1b) groups as acceptor units. Their optical and electrochemical ... -
Embedding and Positioning of Two FeII4L4 Cages in Supramolecular Tripeptide Gels for Selective Chemical Segregation
(Wiley, 2019-03)An unreported d,l-tripeptide self-assembled into gels that embedded FeII4L4 metal–organic cages to form materials that were characterized by TEM, EDX, Raman spectroscopy, rheometry, UV/Vis and NMR spectroscopy, and circular ... -
Exfoliation of Graphite with Triazine Derivatives under Ball-Milling Conditions: Preparation of Few-Layer Graphene via Selective Noncovalent Interactions
(2014)A ball-milling treatment can be employed to exfoliate graphite through interactions with commercially available melamine under solid conditions. This procedure allows the fast production of relatively large quantities ... -
Flexible, multifunctional nanoribbon arrays of palladium nanoparticles for transparent conduction and hydrogen detection
(Elsevier, 2019-03-15)A novel combination of nanostructuring techniques is undertaken to obtain a multifunctional material system consisting of planar arrays of nanoribbons of Pd nanoparticles (NPs) on polyethylene terephthalate (PET) sub ... -
Formation and Photoinduced Electron Transfer in Porphyrin- and Phthalocyanine-Bearing N-Doped Graphene Hybrids Synthesized by Click Chemistry
(Wiley-VCH, 2022-03-07)Graphene doped with heteroatoms such as nitrogen, boron, and phosphorous by replacing some of the skeletal carbon atoms is emerging as an important class of two-dimensional materials as it offers the much-needed bandgap ... -
Formation of quaternary carbons through cobalt-catalyzed C(sp3)–C(sp3) Negishi cross-coupling
(Royal Society of Chemistry, 2020-06-12)Formation of all-carbon-substituted quaternary carbons is a key challenge in organic and medicinal chemistry. We report a cobalt-catalyzed C(sp3)–C(sp3) cross-coupling that allows for the introduction of benzyl, ... -
Gold nanoparticles as analytical tools for the quantification of small quantities of triazine derivatives anchored on graphene in water dispersions
(Royal Society of Chemistry, 2017-04)The development of new methodologies for the preparation of aqueous graphene dispersions is contributing to fostering their biological applications. However, there is still a need for analytical methods to fully characterise ... -
Graphene hybrid materials: the role of graphene materials in the final structure of hydrogels
(Royal Society of Chemistry, 2019-02)Graphene (G), graphene oxide (GO) and graphene quantum dots (GQDs) have been introduced into a three-dimensional polymeric network based on polyacrylamide in order to ascertain the role of each nanomaterial in hydrogels. ... -
Graphene Improves the Biocompatibility of Polyacrylamide Hydrogels: 3D Polymeric Scaffolds for Neuronal Growth
(Springer Nature, 2017-09-08)In tissue engineering strategies, the design of scaffolds based on nanostructures is a subject undergoing intense research: nanomaterials may affect the scaffolds properties, including their ability to interact with cells ... -
Graphene Quantum Dot-Aerogel
(ACS, 2018-05)Fluorescence based on quantum confinement is a property restricted to the nanoscopic range. The incorporation of nanoparticles in a three-dimensional polymeric network could afford macroscopic scaffolds that show nanoscopic ...