John V. Hanna
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View article: One-pot sol–gel synthesis of Sr/Ca-doped silica nanoparticles for osteogenic therapy in osteoporosis
One-pot sol–gel synthesis of Sr/Ca-doped silica nanoparticles for osteogenic therapy in osteoporosis Open
Osteoporosis affects more than 200 million people worldwide, with an osteoporotic fracture occurring approximately every 3 seconds; with ageing populations, its prevalence continues to rise, yet it remains under-diagnosed and under-treated…
View article: Sol‐gel derived S53P4 bioactive glass
Sol‐gel derived S53P4 bioactive glass Open
Here, we report the first synthesis of amorphous sol‐gel bioactive glass of the S53P4 (53.8 mol% SiO 2 , 21.8 mol% CaO, 22.7 mol% Na 2 O, and 1.7 mol% P 2 O 5 ) composition. Sol‐gel‐derived bioactive glasses have higher surface area and, t…
View article: Painless PDT using 10% aminolevulinate gel and red light: A pilot clinical trial of short-contact protocols to reduce discomfort during illumination
Painless PDT using 10% aminolevulinate gel and red light: A pilot clinical trial of short-contact protocols to reduce discomfort during illumination Open
NCT06027619 (date of trial registration: 31 August 2023).
View article: Optical time-lapsed in situ mechanochemical studies on metal halide perovskite systems
Optical time-lapsed in situ mechanochemical studies on metal halide perovskite systems Open
Metal halide perovskites are attractive for optoelectronic applications, but the existing solution-based synthetic methods rely on hazardous solvents and lack reproducibility. To overcome these challenges, solvent-free mechanochemical synt…
View article: Democratizing self-driving labs: advances in low-cost 3D printing for laboratory automation
Democratizing self-driving labs: advances in low-cost 3D printing for laboratory automation Open
Low-cost FDM 3D printing transforms consumer 3D printers into automated lab equipment including liquid handlers, imaging devices, robotic arms, and bioprinters, cutting costs by 90–99% versus commercial alternatives to enable affordable se…
View article: Pilot study utilizing short contact protocols for treatment of actinic keratoses (AK) with ALA gel-red light photodynamic therapy (PDT)
Pilot study utilizing short contact protocols for treatment of actinic keratoses (AK) with ALA gel-red light photodynamic therapy (PDT) Open
Background: Red light photodynamic therapy (PDT) is an effective option for actinic keratosis (AK) lesions. However, stinging pain during illumination limits utility. Objective: To compare three modified red-light PDT regimens (short incub…
View article: Multi-technique detection of lead iodide hybrid perovskite degradation pathways under varying electric fields
Multi-technique detection of lead iodide hybrid perovskite degradation pathways under varying electric fields Open
Although hybrid perovskite light-emitting diodes have made significant advances in terms of device performance, the lack of long-term stability remains an impediment to widespread implementation. A unified understanding of the complexity d…
View article: 3D printed hybrid scaffolds for bone regeneration using calcium methoxyethoxide as a calcium source
3D printed hybrid scaffolds for bone regeneration using calcium methoxyethoxide as a calcium source Open
Introduction: Hybrids consist of inorganic and organic co-networks that are indistinguishable above the nanoscale, which can lead to unprecedented combinations of properties, such as high toughness and controlled degradation. Methods: We p…
View article: Navigating surface reconstruction of spinel oxides for electrochemical water oxidation
Navigating surface reconstruction of spinel oxides for electrochemical water oxidation Open
Understanding and mastering the structural evolution of water oxidation electrocatalysts lays the foundation to finetune their catalytic activity. Herein, we demonstrate that surface reconstruction of spinel oxides originates from the meta…
View article: Cold sintering of bioglass and bioglass/polymer composites
Cold sintering of bioglass and bioglass/polymer composites Open
Bioactive glasses are widely utilized to regenerate bone tissue and aid bonding of orthopedic implants. Forming composites of bioglass with bioactive polymers allow the mechanical properties and biological response to be tailored. Although…
View article: The Impact of Inter-grain Phases on the Ionic Conductivity of LAGP Solid Electrolyte Prepared by Spark Plasma Sintering
The Impact of Inter-grain Phases on the Ionic Conductivity of LAGP Solid Electrolyte Prepared by Spark Plasma Sintering Open
Li1.5Al0.5Ge1.5(PO4)3 (LAGP) is a promising oxide solid electrolyte for all-solid-state batteries due to its excellent air stability, wide electrochemical stability window and cost-effective precursor materials. However, further improvemen…
View article: Bioactive, Degradable and Tough Hybrids Through Calcium and Phosphate Incorporation
Bioactive, Degradable and Tough Hybrids Through Calcium and Phosphate Incorporation Open
We report the first inorganic/organic hybrids that show outstanding mechanical properties (withstanding cyclic loading) and bone bioactivity. This new hybrid material may fulfil the unmet clinical need for bioactive synthetic bone grafts t…
View article: Characterization of an aged alkali-activated slag roof tile after 30 years of exposure to Northern Scandinavian weather
Characterization of an aged alkali-activated slag roof tile after 30 years of exposure to Northern Scandinavian weather Open
The phase assemblage and nanostructural characterization results reported here further elucidate the long-term changes occurring in alkali activated blast furnace slag binders.
View article: A powder XRD, solid state NMR and calorimetric study of the phase evolution in mechanochemically synthesized dual cation (Cs<sub><i>x</i></sub>(CH<sub>3</sub>NH<sub>3</sub>)<sub>1−<i>x</i></sub>)PbX<sub>3</sub> lead halide perovskite systems
A powder XRD, solid state NMR and calorimetric study of the phase evolution in mechanochemically synthesized dual cation (Cs<sub><i>x</i></sub>(CH<sub>3</sub>NH<sub>3</sub>)<sub>1−<i>x</i></sub>)PbX<sub>3</sub> lead halide perovskite systems Open
Mechanochemically synthesized dual cation hybrid perovskites of the form (Cs x MA 1− x )Pb(Cl/Br) 3 ( x = 0–1) exhibit complete miscibility and high structural order across each compositional range.
View article: CCDC 2094440: Experimental Crystal Structure Determination
CCDC 2094440: 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: CCDC 2094441: Experimental Crystal Structure Determination
CCDC 2094441: 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: CCDC 2094444: Experimental Crystal Structure Determination
CCDC 2094444: 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: CCDC 2094439: Experimental Crystal Structure Determination
CCDC 2094439: 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: CCDC 2094442: Experimental Crystal Structure Determination
CCDC 2094442: 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: CCDC 2094443: Experimental Crystal Structure Determination
CCDC 2094443: 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: Insight into the Partitioning and Clustering Mechanism of Rare-Earth Cations in Alkali Aluminoborosilicate Glasses
Insight into the Partitioning and Clustering Mechanism of Rare-Earth Cations in Alkali Aluminoborosilicate Glasses Open
Rare-earth (RE) containing alkali aluminoborosilicate glasses find increasingly broad technological applications, with their further development only impeded by yet-poor understanding of coordination environment and structural role of RE i…
View article: Insight into the Partitioning and Clustering Mechanism\nof Rare-Earth Cations in Alkali Aluminoborosilicate Glasses
Insight into the Partitioning and Clustering Mechanism\nof Rare-Earth Cations in Alkali Aluminoborosilicate Glasses Open
Rare-earth\n(RE) containing alkali aluminoborosilicate glasses find\nincreasingly broad technological applications, with their further\ndevelopment only impeded by a yet-poor understanding of the coordination\nenvironment and structural ro…
View article: Mapping of N−C Bond Formation from a Series of Crystalline Peri‐Substituted Naphthalenes by Charge Density and Solid‐State NMR Methodologies
Mapping of N−C Bond Formation from a Series of Crystalline Peri‐Substituted Naphthalenes by Charge Density and Solid‐State NMR Methodologies Open
A combination of charge density studies and solid state nuclear magnetic resonance (NMR) 1 J NC coupling measurements supported by periodic density functional theory (DFT) calculations is used to characterise the transition from an n–π* in…
View article: Mapping of N−C Bond Formation from a Series of Crystalline Peri‐Substituted Naphthalenes by Charge Density and Solid‐State NMR Methodologies
Mapping of N−C Bond Formation from a Series of Crystalline Peri‐Substituted Naphthalenes by Charge Density and Solid‐State NMR Methodologies Open
A combination of charge density studies and solid state nuclear magnetic resonance (NMR) 1 J NC coupling measurements supported by periodic density functional theory (DFT) calculations is used to characterise the transition from an n–π* in…
View article: Adsorption of HF on gibbsite calcined at various temperatures: A solid-state NMR study of low-level fluorinated systems
Adsorption of HF on gibbsite calcined at various temperatures: A solid-state NMR study of low-level fluorinated systems Open
The fluorination mechanism of low-level fluorinated materials obtained by calcination of Bayer gibbsite at different temperatures was studied by 27Al and 19F solid-state NMR spectroscopy and X-ray diffraction. Gibbsite was calcined at 400,…
View article: A novel multinuclear solid-state NMR approach for the characterization of kidney stones
A novel multinuclear solid-state NMR approach for the characterization of kidney stones Open
The spectroscopic study of pathological calcifications (including kidney stones) is extremely rich and helps to improve the understanding of the physical and chemical processes associated with their formation. While Fourier transform infra…
View article: The classification of 1D `perovskites'
The classification of 1D `perovskites' Open
There has been a huge amount of interest in perovskites recently and new structures of hybrid perovskites are frequently reported. The classification of perovskites has been unambiguous in the discussion of 3D and layered 2D perovskites du…
View article: A novel multinuclear solid state NMR approach for the characterization of kidney stones
A novel multinuclear solid state NMR approach for the characterization of kidney stones Open
The spectroscopic study of pathological calcifications (including kidney stones) is extremely rich and helps to improve the understanding of the physical and chemical processes associated with their formation. While FTIR imaging and optica…