Maria Strømme

Maria Strømme
Uppsala University | UU · Department of Engineering Sciences

PhD

About

409
Publications
64,365
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12,025
Citations
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August 2004 - present
Uppsala University
Position
  • Professor (Full)

Publications

Publications (409)
Article
Developing materials for efficient solar thermal energy conversion (STEC) is currently a promising field in energy research. Traditional STEC materials such as carbon and plasmonic nanomaterials have limited efficiency of solar heat utilization, despite their high photothermal conversion efficiency. This paper describes a film composed of hybrid na...
Preprint
Full-text available
Sunscreen lotions are used to protect the skin from damage due to solar ultraviolet (UV) radiation. The active UV blocking components can be organic molecules or inorganic particles, for example TiO2. While both in vivo and in vitro methods exist for assessing the protective capacity of sunscreens, their basic optical properties have received littl...
Article
This study presents a molecular surface modification approach to synthesizing a family of silver chalcogenolate clusters (SCCs) containing the same [Ag12S6] core and different surface-bonded organic ligands (DMAc or pyridines; DMAc = dimethylacetamide), with the aim of tuning the luminescence properties and increasing the structural stability of th...
Article
Porous carbons are key functional materials in a range of industrial processes such as gas adsorption and separation, water treatment, and energy conversion and storage. It is, however, important from a sustainability perspective for porous carbons to be synthesized from naturally abundant biopolymers. Nanoengineering of porous carbons using facile...
Article
Bismuth-based metal-organic frameworks (Bi-MOFs) such as bismuth subgallate are important for applications ranging from medicine to gas separation and catalysis. Due to the porous nature of such Bi-MOFs, it would be valuable to understand their gas sorption and separation properties. Here, we present the gas sorption properties of three microporous...
Preprint
Full-text available
In this work, highly porous amorphous calcium carbonate (HPACC) and mesoporous magnesium carbonate (MMC) were tested as potential phosphate (PO43-) sorbents in water. The performance of these sorbents at a PO43- initial concentration between 0 – 1000 mg/L was evaluated. These highly porous materials were found to have enhanced PO43- uptake at low c...
Preprint
In this work, highly porous amorphous calcium carbonate (HPACC) and mesoporous magnesium carbonate (MMC) were tested as potential phosphate (PO43-) sorbents in water. The performance of these sorbents at a PO43- initial concentration between 0 – 1000 mg/L was evaluated. These highly porous materials were found to have enhanced PO43- uptake at low c...
Article
Full-text available
A simple solution casting approach was used to obtain transparent and flexible poly(methyl methacrylate) (PMMA) films incorporated with 1 – 4% by weight amorphous magnesium carbonate nanoparticles. Optical transparency was retained in visible wavelengths, while transmittance in the UV-B region was reduced by 22% at 310 nm and 58% at 256 nm with the...
Article
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Fused deposition modelling (FDM) is the most extensively employed 3D-printing technique used in pharmaceutical applications, and offers fast and facile formulation development of personalized dosage forms. In the present study, mesoporous materials were incorporated into a thermoplastic filament produced via hot-melt extrusion and used to produce o...
Article
Organic carbonyl compounds have been considered as promising alternatives to traditional inorganic battery materials due to their low-cost, sustainability and structural diversity. The development of carbonyl compounds as energy storage materials is, however, hampered by dissolution as well as by the low electronic conductivity of these materials....
Article
In this study, conducting redox polymers (CRPs), which consist of a polypyrrole conducting polymer backbone with attached quinone pendant groups, have been explored as electrode materials for organic batteries. A modular organic synthetic approach is presented that allows the assembly of pyrrole and quinone units into quinone-pyrrole dyads and modi...
Article
Full-text available
Rechargeable batteries that use redox-active organic compounds are currently considered an energy storage technology for the future. Functionalizing redox-active groups onto conducting polymers to make conducting redox polymers (CRPs) can effectively solve the low conductivity and dissolution problems of redox-active compounds. Here, we employ a so...
Article
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A series of mixed-linker Zeolitic Imidazolate Framework(ZIF)-7-8s constructed from different amounts of benzimidazolate (bIm) and 2-methylimidazolate (mIm) linkers were synthesized in this study. We demonstrated that by carefully controlling the ratios between bIm and mIm linkers, the particle morphology and pore size of ZIF-7-8 can be tailored to...
Conference Paper
Full-text available
We present a method to obtain absorption and backscattering coefficients of a light scattering material and apply it to the technologically important case of sunscreen lotions. While both in-vivo and in-vitro methods exist for assessing the ultraviolet (UV) protective capacity of sunscreens, their basic optical properties have previously received l...
Article
Porous organic frameworks (POFs) with predesigned structures and tunable porosities have been widely studied in adsorption and heterogeneous catalysis. Introducing ionic structure into the framework endows POFs with new functionalities that may extend their applications. Here, we report new applications for a guanidinium-based ionic POF (IPOF-Cl) i...
Article
Full-text available
Utilizing organic redox-active materials as electrodes is a promising strategy to enable innovative battery designs with low environmental footprint during production, which can be hard to achieve with traditional inorganic materials. Most electrode compositions, organic or inorganic, require binders for adhesion and conducting additives to enable...
Article
Full-text available
Solar energy fits well with the increasing demand for clean sustainable energy. This paper describes a freestanding hybrid film composed of a conductive metal-organic framework layered on cellulose nanofibres which enables efficient solar power generation. The working principle, which is different from the mechanisms of traditional photovoltaic or...
Article
Full-text available
There is currently a huge need for new, improved therapeutic approaches for the treatment of chronic wounds. One promising strategy is to develop wound dressings capable of modulating the chronic wound environment (e.g., by controlling the high levels of reactive oxygen species (ROS) and proteases). Here, we selected the thiol-containing amino acid...
Preprint
p>Rechargeable batteries that use redox-active organic compounds are currently considered as an energy storage technology for the future. Conducting redox polymers (CRPs) are organic materials being both electronically conducting and resilient to dissolution. While insolubility is an advantageous property for active battery materials, it complicate...
Article
Full-text available
The engineering of multifunctional biomaterials using a facile sustainable methodology that follows the principles of green chemistry is still largely unexplored but would be very beneficial to the world. Here, the employment of catalytic reactions in combination with biomass-derived starting materials in the design of biomaterials would promote th...
Article
Full-text available
Packing conjugated conducting polymer chains into long-range order can significantly boost their carrier transport properties, allowing the design and enhancing the performance of applications in next-generation flexible electronics, energy storage, etc. However, strategies for organizing molecular chains have hitherto been challenging and have bee...
Article
Full-text available
Covalent organic frameworks (COFs) constitute a family of crystalline porous polymers that are being studied for electrochemical energy storage. However, their low electrical conductivity and poor processability have largely limited their electrochemical performances and practical applications. Here, we develop an interfacial synthesis method to gr...
Article
Manganese‐based aqueous batteries have attracted significant attention due to their earth‐abundant components and low environmental burden. However, state‐of‐the‐art manganese‐zinc batteries are poorly rechargeable due to dendrite formation on the zinc anode . Organic materials could provide a safe and sustainable replacement. In the present work,...
Article
Full-text available
Wood-derived nanofibrillated cellulose (NFC) has long been recognized as a valuable nanomaterial for food-related applications. However, the safety of NFC cannot be predicted just from the chemical nature of cellulose, and there is a need to establish the effect of the nanofibers on the gastrointestinal tract, to reassure the safe use of NFC in foo...
Article
In this paper, a well-defined proton trap material containing a hydroquinone unit flanked by two pyridine proton acceptors is presented. In combination with a terthiophene trimer, based on 3,4-ethylenedioxythiophene and 3,4-propylenedioxythiophene units, a conducting material with reversible redox properties is obtained. We apply post-deposition po...
Article
Full-text available
Quinones have a capacity for high energy storage and exhibit facile and reversible electrochemistry in several widely different electrolytes. They are, therefore, one of the most popular compounds currently used in organic materials-based electrical energy storage. Quinone electrochemistry is, however, strongly affected by the composition of the el...
Article
Full-text available
Lipid-based formulations can circumvent the low aqueous solubility of problematic drug compounds and increase their oral absorption. As these formulations are often physically unstable and costly to manufacture, solidification has been suggested as a way to minimize these issues. This study evaluated the physicochemical stability and in vitro perfo...
Article
The Cover Feature shows a polymer–air secondary battery composed of a naphthoquinone‐based conducting redox polymer as a paintable and robust organic anode material and a Pt/C catalyst as a cathode‐active material operating in an acidic aqueous electrolyte. More information can be found in the Full Paper by K. Oka, C. Strietzel, et al.
Article
Full-text available
Silk fibroin-based conducting hydrogels possesshierarchical structural motifs featuring unique properties, but the development of such materials has proven to be challenging. Herein, we develop a novel strategy for the fabrication of a conducting silk fibroin hydrogel based on an interpenetrated network of poly(3,4-ethylene dioxythiophene): poly(st...
Article
Organic materials receive increasing attention as environmentally benign and sustainable electrode‐active materials. We present a conducting redox polymer (CRP) based on poly(3,4‐ethylenedioxythiophene) with naphthoquinone pendant group, which is formed from a stable suspension of a trimeric precursor and an oxoammonium cation as oxidant. This susp...
Article
Full-text available
Combining naphthoquinone or hydroquinone redox‐active pendent groups, an all‐organic battery was designed to operate in aqueous electrolyte. This battery does not only show good capacity retention over 500 cycles but can also be charged ultra‐rapidly using a potential step, enabling easy integration with an organic solar cell. Abstract Electrodes...
Article
Full-text available
Electrodes based on organic matter operating in aqueous electrolytes enable new approaches and technologies for assembling and utilizing batteries that are difficult to achieve with traditional electrode materials. Here, we report how thiophene‐based trimeric structures with naphthoquinone or hydroquinone redox‐active pendent groups can be processe...
Preprint
Methanation of syngas is a possible way to produce synthetic natural gas. Ni has been proven to be a good and cost-effective catalyst for this reaction. Here we have synthesized Ni/MgO catalyst using mesoporous magnesium carbonate (MMC) as a precursor. Addition of Al<sub>2</sub>O<sub>3</sub> and SiO<sub>2</sub> to MMC were made and the different MM...
Article
Interlinking discrete supertetrahedral chalcogenolate clusters with conjugated bipyridine linkers form a one-dimensional coordination polymer, [Cd6Ag4(SPh)16(DMF)(H2O)(bpe)] n (1a), displaying a broader visible-light absorption and a narrower band gap than those of the discrete cluster. More importantly, the coordination polymer demonstrates enhanc...
Article
Full-text available
Advanced drug delivery systems (ADDS) are widely explored to overcome poor aqueous solubility of orally administered drugs. However, the prediction of their in vivo performance is challenging, as in vitro models typically do not capture the interplay between processes occurring in the gut. In additions, different models are used to evaluate the dif...
Article
Supramolecular adhesives have attracted a great deal of attention in recent years, resulting in their development for different applications. However, creating supramolecular adhesives with reversible and reusable properties is still a challenge. Here, a synthesis route to obtain supramolecular adhesives is presented in which no polymeric compounds...
Article
Full-text available
Microporous organic polymers (MOPs) with internal pores less than 2 nm have potential use in gas separation, sensing, and storage, in the form of membranes, monoliths, fibers, or adsorbent granules. These covalently bonded polymers are being formed by reacting with rigid organic monomers, and MOPs have lately been studied for capturing CO2 from gas...
Article
Full-text available
HIGHLIGHTS • The study reveals the great potential of metal-organic framework (MOF)-based nanocomposites in thermal insulation and fire retar-dancy applications. • A nanoengineering approach was developed to process MOFs into freestanding, mechanically strong, and elastic aerogels, which may boost the fundamental research and practical applications...
Article
Full-text available
Amorphous calcium phosphate (ACP) has shown significant effects on the biomineralization and promising applications in bio-medicine. However, the limited stability and porosity of ACP material restrict its practical applications. A storage stable highly porous ACP with Brunauer–Emmett–Teller surface area of over 400 m2/g was synthesized by introduc...
Article
Full-text available
The specific binding of oligonucleotide-tagged 100 nm magnetic nanoparticles (MNPs) to rolling circle products (RCPs) is investigated using our newly developed differential homogenous magnetic assay (DHMA). The DHMA measures ac magnetic susceptibility from a test and a control samples simultaneously and eliminates magnetic background signal. Theref...
Article
Conducting redox polymers (CRPs) have attracted increased interest in recent years due to the possibility of combining the favorable electron transport properties of conducting polymers with the additional functionality provided by the redox active pendant groups (PGs). Herein we present a series of quinone substituted PEDOT-CRPs where the quinone...
Article
Amorphous calcium carbonate (ACC) stabilized by various carboxylic additives was synthesized by incorporating the additives into an ACC suspension in methanol. The additives studied included polyacrylic acid, citric acid, adipic acid, 6-aminocaproic acid, 4-aminobutyric acid and hexanoic acid. The stabilized ACC samples (ACC-additives) exhibited si...
Article
An approximately 1-µm thick hydroxyapatite coating was biomimetically deposited on an alkali-treated, commercially available orthopedic screw surface (type II anodized titanium). Tobramycin loaded into the coating via a simple soaking method was shown to provide a sustained release above the minimal inhibitory concentration 0.2 µg/µl for up to two...
Article
Assays are widely used for detection of various targets, including pathogens, drugs, toxins etc. Homogeneous assays are promising for the realization of point-of-care diagnostics as they do not require separation, immobilization, or washing steps. For low concentrations of target molecules, the speed and sensitivity of homogeneous assays have hithe...
Article
The morphology controllable synthesis of porous vaterite microparticles from amorphous calcium carbonate (ACC) nanoparticles via mesoscale transformation and self-assembly is presented. The morphology of vaterite microparticles ranging from ellipsoidal to spherical can be controlled by adjusting the amount of adipic acid (AA) additive during synthe...
Article
Full-text available
The cross-coupling reaction of 1,3,5-triethynylbenzene with terephthaloyl chloride gives a novel ynone-linked porous organic polymer. Tethering alkyl amine species on the polymer induces chemisorption of CO2 as revealed by the studies of ex situ infrared spectroscopy. By tuning the amine loading content on the polymer, relatively high CO2 adsorptio...
Article
Full-text available
Conductive metal−organic frameworks (c-MOFs) show great potential in electrochemical energy storage thanks to their high electrical conductivity and high accessible surface areas. However, there are significant challenges in processing c-MOFs for practical applications. Here we report on the fabrication of c-MOF nanolayers on cellulose nanofibers (...
Article
Full-text available
Because of its natural abundance, hierarchical fibrous structure, mechanical flexibility, potential for chemical modification, biocompatibility, renewability, and abundance, cellulose is one of the most promising green materials for a bio-based future and sustainable economy. Cellulose derived from wood or bacteria has dominated the industrial cell...
Article
Full-text available
A calcium magnesium carbonate composite (CMC) material containing highly porous amorphous calcium carbonate (HPACC) and mesoporous magnesium carbonate (MMC) was synthesized. CMCs with varying HPACC : MMC mol ratios and high BET surface area (over 490 m2 g-1) were produced. The CMCs retained the morphology shared by HPACC and MMC. All these material...
Article
A novel double-sided conductive (DSC) separator consisting of two 5 μm-thick carbon nanotubes (CNT)/cellulose nanofiber (CNF) composite layers coated on each side of a 20 μm-thick glass-fiber (GF)/CNF composite membrane is described. In a lithium-metal battery (LMB), the DSC separator exhibits a high ionic conductivity (i.e. 1.7 mS cm-1 using an LP...
Article
Full-text available
Li-ion batteries (LIBs) raise safety and environmental concerns, which mostly arise from their toxic and flammable electrolytes and the extraction of limited material resources by mining. Recently, water-in-salt electrolytes (WiSEs), in which a large amount of lithium salt is dissolved in water, have been proposed to allow for assembling safe and h...
Article
A conducting redox polymer based on PEDOT with hydroquinone and pyridine pendant groups is reported and characterized as a proton trap material. The proton trap functionality, where protons are transferred from the hydroquinone to the pyridine sites, allows for utilization of the inherently high redox potential of the hydroquinone pendant group (3....
Article
Full-text available
Salicylic acid (SA) has for a long time been used to treat various skin disorders due to its anti-inflammatory, bacteriostatic, and antifungal properties. In the present work, mesoporous magnesium carbonate (MMC), a promising drug carrier, was modified with 3-aminopropyl-triethoxysilane to enable loading of SA. The amine modified MMC (aMMC) was suc...
Article
Full-text available
A conducting redox polymer is investigated in acidic electrolyte using various in situ methods, including electron paramagnetic resonance (EPR), UV–vis spectroscopy, and conductance measurements. The quinone redox active pendant group has a formal potential of 0.67 V (vs. standard hydrogen electrode) where a 2e2H process occurs. By analyzing the ra...
Article
Full-text available
Chalcogenolate clusters Cd6Ag4(EPh)16(DMF)3(CH3OH) (E = S, Se) with supertetrahedral structures are isolated. Further interlinking the clusters with organic linker 4,4'-trimethylenedipiperidine in the stepwise assembly approach forms two-dimensional coordination polymers. The clusters and the coordination polymers show tunable band gaps and efficie...
Article
Full-text available
Mesoporous magnesium carbonate (MMC) was evaluated as a potential candidate material for removal of dyes from textile industry wastewater. The adsorption property of MMC was analyzed for three different azo dyes: reactive black 5 (RB5), amaranth (AM), and acid red 183 (AR183). Further, the effect of porosity, amine modification, ionic strength, and...
Article
Full-text available
Highly porous amorphous mesoporous magnesium carbonate (MMC) with a Brunauer-Emmett-Teller (BET) surface area over 600 m ² ·g ⁻¹ was evaluated as a micrometer-sized support for TiO 2 and ZnO semiconductor nanoparticles. The resulting MMC-TiO 2 -ZnO contained 25 wt % TiO 2 and 25 wt % ZnO incorporated into an MMC structure without blocking the pores...
Article
Full-text available
Mesoporous magnesium carbonate (MMC) was synthesized and tested for its ability to separate CO2 from N2. The pure gas CO2 uptake of MMC was around 1.5 mmol/g at 101 kPa, 0 °C. The N2 uptake under the same conditions was less than 0.1 mmol/g. Al(NO3)3, Al2O3, K2CO3 and KNO3 were introduced into the porous structure of MMC as additives. All of the ad...
Article
Full-text available
Freestanding nanopapers are fabricated by the assembly of metal‐organic frameworks (MOFs) onto cellulose nanofibers (CNFs). The CNFs are wrapped by continuously nucleated MOF layers (CNF@MOF) by interfacial synthesis, the charge density on the surface of the CNFs and the dosage of the surfactant polyvinylpyrrolidone (PVP) being carefully adjusted....
Article
Full-text available
The emission of greenhouse gases such as CO2 and SF6 is believed to contribute significantly towards global warming. One way to reduce their release is by adsorption at point sources using a suitable adsorbent. In this work we present the synthesis of two hierarchical porous carbon materials (referred to as PC-CaCit and PC-MgCit) with high uptake o...