David C. Magri
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View article: 4-amino-1,8-naphthalimide azetidine fluorescent indicators and cellular imaging agents
4-amino-1,8-naphthalimide azetidine fluorescent indicators and cellular imaging agents Open
View article: <i>Cinchona</i> alkaloid copolymers as fluorimetric INHIBIT and colorimetric AND logic gates for detection of iodide
<i>Cinchona</i> alkaloid copolymers as fluorimetric INHIBIT and colorimetric AND logic gates for detection of iodide Open
Cinchona alkaloid-acrylamide copolymers are demonstrated as dual-sensing fluorescent INHIBIT and colorimetric AND logic gates in water.
View article: Naphthalimide–organometallic hybrids as multi-targeted anticancer and luminescent cellular imaging agents
Naphthalimide–organometallic hybrids as multi-targeted anticancer and luminescent cellular imaging agents Open
Naphthalimide–organometallic hybrids are reviewed as intelligent agents for antineoplastic and luminescence sensing applications.
View article: Molecular Logic Gates Derived from Fluorescent Natural Products
Molecular Logic Gates Derived from Fluorescent Natural Products Open
Fluorescent natural products have been a source of fascination for centuries. In this review, we highlight natural products and natural product derivatives as optical logic-based molecules. The early beginnings of the field of molecular lo…
View article: Colourful 3-amino-1,8-naphthalimide alkyl-substituted fluorescent derivatives
Colourful 3-amino-1,8-naphthalimide alkyl-substituted fluorescent derivatives Open
The optical properties of four 3-amino-1,8-naphthalimide derivatives differing in the degree of substitution at the amino functionality were synthesised and studied by UV–visible absorbance and fluorescence spectroscopy in 1:1 (v/v) methan…
View article: Lab-on-a-molecule and multi-analyte sensing
Lab-on-a-molecule and multi-analyte sensing Open
The concept of a lab-on-a-molecule, which was proposed just short of two decades ago, has captured the imagination of scientists. From originally being proposed as an AND logic gate driven by three chemical inputs as a direct way of detect…
View article: Synthesis and Spectrophotometric Studies of Heterocyclic Bay-Substituted Naphthalenediimide Colorimetric pH Indicators
Synthesis and Spectrophotometric Studies of Heterocyclic Bay-Substituted Naphthalenediimide Colorimetric pH Indicators Open
Four naphthalenediimide colorimetric pH indicators were synthesized with N,N-dimethylethyleneamine at the imide positions and with 5- to 7-membered heterocyclic rings at the bay positions, namely pyrrolidine, morpholine, piperidine and aze…
View article: <i>Cinchona</i> alkaloids – acid, anion-driven fluorescent INHIBIT logic gates with a receptor<sub>1</sub>–fluorophore–spacer–receptor<sub>2</sub> format and PET and ICT mechanisms
<i>Cinchona</i> alkaloids – acid, anion-driven fluorescent INHIBIT logic gates with a receptor<sub>1</sub>–fluorophore–spacer–receptor<sub>2</sub> format and PET and ICT mechanisms Open
The fluorescent natural products quinine, quinidine, cinchonine and cinchonidine are demonstrated as H + -enabled, halide-disabled (Cl − , Br − or I − ) INHIBIT logic gates in water.
View article: Fluorescent Molecular Logic Gates and Pourbaix Sensors in Polyacrylamide Hydrogels
Fluorescent Molecular Logic Gates and Pourbaix Sensors in Polyacrylamide Hydrogels Open
Polyacrylamide hydrogels formed by free radical polymerisation were formed by entrapping anthracene and 4-amino-1,8-naphthalimide fluorescent logic gates based on photoinduced electron transfer (PET) and/or internal charge transfer (ICT). …
View article: Solvent-polarity reconfigurable fluorescent 4-piperazino-<i>N</i>-aryl-1,8-naphthalimide crown ether logic gates
Solvent-polarity reconfigurable fluorescent 4-piperazino-<i>N</i>-aryl-1,8-naphthalimide crown ether logic gates Open
Two solvent-polarity sensitive fluorescent logic gates with benzo-15-crown-5 or benzo-18-crown-6 and piperazine receptors display TRANSFER logic in water and AND logic in methanol.
View article: Molecular Logic With Ferrocene-Rylene Conjugates: A Comparison Of Naphthalenediimide, Naphthalimide and Perylenediimide Pourbaix Sensor Designs
Molecular Logic With Ferrocene-Rylene Conjugates: A Comparison Of Naphthalenediimide, Naphthalimide and Perylenediimide Pourbaix Sensor Designs Open
View article: 4-Amino-1,8-naphthalimide–ferrocene conjugates as potential multi-targeted anticancer and fluorescent cellular imaging agents
4-Amino-1,8-naphthalimide–ferrocene conjugates as potential multi-targeted anticancer and fluorescent cellular imaging agents Open
Eight ferrocenyl 4-amino-1,8-naphthalimide logic gates for acidity and oxidisability are repurposed as anti-proliferation and cellular imaging agents against MCF-7 and K562 cancer cell lines.
View article: Pourbaix sensors in polyurethane molecular logic-based coatings for early detection of corrosion
Pourbaix sensors in polyurethane molecular logic-based coatings for early detection of corrosion Open
Corrosion is detected by logic-based molecules before it is visible to the naked eye.
View article: Recent Progress on the Evolution of Pourbaix Sensors: Molecular Logic Gates for Protons and Oxidants
Recent Progress on the Evolution of Pourbaix Sensors: Molecular Logic Gates for Protons and Oxidants Open
Recent progress in the area of molecular logic, in particular molecules capable of sensing for acidity and oxidizability, are gathered together in this short review. Originally proposed as AND logic gates that provide a high fluorescence o…
View article: A fluorescent AND logic gate based on a ferrocene-naphthalimide-piperazine format responsive to acidity and oxidizability
A fluorescent AND logic gate based on a ferrocene-naphthalimide-piperazine format responsive to acidity and oxidizability Open
View article: Molecular engineering of logic gate types by module rearrangement in ‘Pourbaix Sensors’: the effect of excited-state electric fields
Molecular engineering of logic gate types by module rearrangement in ‘Pourbaix Sensors’: the effect of excited-state electric fields Open
Two types of fluorescent logic gates are accessed from different arrangements of the same module components: AND and PASS 0 logic gates.
View article: Water-Soluble Colorimetric Amino[<i>bis</i>(ethanesulfonate)] Azobenzene pH Indicators: A UV–Vis Absorption, DFT, and <sup>1</sup>H–<sup>15</sup>N NMR Spectroscopy Study
Water-Soluble Colorimetric Amino[<i>bis</i>(ethanesulfonate)] Azobenzene pH Indicators: A UV–Vis Absorption, DFT, and <sup>1</sup>H–<sup>15</sup>N NMR Spectroscopy Study Open
Water-soluble azobenzene derivatives containing amino[bis(ethanesulfonate)] groups are demonstrated as colorful pH indicators in water and on filter paper. Vibrant color changes were observed from yellow/orange to pink between pH 1 …
View article: Xjenza Online at MNS2017 Malta
Xjenza Online at MNS2017 Malta Open
The 6th conference of the Mediterranean Neuroscience Society (MNS), MNS2017, was organized by Prof. Giuseppe Di Giovanni, Co-ordinator of Malta Neuroscience Network (MNN) of the University of Malta and held at the Radisson Blu Hotel in St.…
View article: Redox‐Enabled, pH‐Disabled Pyrazoline–Ferrocene INHIBIT Logic Gates
Redox‐Enabled, pH‐Disabled Pyrazoline–Ferrocene INHIBIT Logic Gates Open
Pyrazoline‐ferrocene conjugates with an “electron‐donor–spacer–fluorophore–receptor” format are demonstrated as redox‐fluorescent two‐input INHIBIT logic gates.
View article: Correction: Photoinduced electron transfer as a design concept for luminescent redox indicators
Correction: Photoinduced electron transfer as a design concept for luminescent redox indicators Open
Correction for ‘Photoinduced electron transfer as a design concept for luminescent redox indicators’ by David C. Magri, Analyst, 2015, 140, 7487–7495.
View article: Supramolecular chemistry in water : self-assembly of multi-component fluorescent molecular logic gates in micelles
Supramolecular chemistry in water : self-assembly of multi-component fluorescent molecular logic gates in micelles Open
A recent strategy for developing supramolecular logic gates in water is based on combinations of molecules via self-assembly with surfactants, which eliminates the need for time-consuming synthesis. The self-assembly of surfactants and lum…
View article: CCDC 1484207: Experimental Crystal Structure Determination
CCDC 1484207: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Water-soluble naphthalimide-based ‘Pourbaix sensors’: pH and redox-activated fluorescent AND logic gates based on photoinduced electron transfer
Water-soluble naphthalimide-based ‘Pourbaix sensors’: pH and redox-activated fluorescent AND logic gates based on photoinduced electron transfer Open
Naphthalimide-based ‘Pourbaix sensors’ for redox potential and pH fluoresce with a lifetime of 8.5 ns while photoinduced electron transfer occurs on a time scale of 20 ps.
View article: CCDC 1432856: Experimental Crystal Structure Determination
CCDC 1432856: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Water-soluble β-aminobisulfonate building blocks for pH and Cu<sup>2+</sup> indicators
Water-soluble β-aminobisulfonate building blocks for pH and Cu<sup>2+</sup> indicators Open
Two phenyl β-aminobisulfonate ligands characterised by UV-visible absorption, EPR and 1H NMR spectroscopy exhibit evidence for binding with Cu2+ in water and methanol.
View article: CCDC 1484351: Experimental Crystal Structure Determination
CCDC 1484351: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …