Rasmita Raval
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View article: Detection of Bacterial Activity via Reduction of Prussian Blue Thin Films as Probed by Raman Spectroscopy
Detection of Bacterial Activity via Reduction of Prussian Blue Thin Films as Probed by Raman Spectroscopy Open
Biomarker-free and in situ detection of microbes and microbial biofilms is an important challenge. Prussian Blue (PB) has emerged as a potential material for a variety of biological applications. It is safe, sustainable, and also versatile…
View article: Correlative Imaging and super resolution microscopy studies reveal complexities in determining live-dead state of bacteria
Correlative Imaging and super resolution microscopy studies reveal complexities in determining live-dead state of bacteria Open
Imaging techniques are widely used to determine the physiological state of bacterial cells and provide an important platform for antibacterial evaluation in biofilms research. The commercial counter-staining SYTO 9 - propidium iodine kit i…
View article: Vibrational Anharmonicity of Carbon Monoxide on Metal Surfaces: Backdonation, Electric Field, and Structure Effects
Vibrational Anharmonicity of Carbon Monoxide on Metal Surfaces: Backdonation, Electric Field, and Structure Effects Open
View article: Rapid differentiation of cystic fibrosis-related bacteria via reagentless atmospheric pressure photoionisation mass spectrometry
Rapid differentiation of cystic fibrosis-related bacteria via reagentless atmospheric pressure photoionisation mass spectrometry Open
View article: Global challenges and microbial biofilms: Identification of priority questions in biofilm research, innovation and policy
Global challenges and microbial biofilms: Identification of priority questions in biofilm research, innovation and policy Open
View article: Membrane Proteins in Action Monitored by pH-Responsive Liquid Crystal Biosensors
Membrane Proteins in Action Monitored by pH-Responsive Liquid Crystal Biosensors Open
[Image: see text] Liquid crystal (LC) biosensors have received significant attention for their potential applications for point-of-care devices due to their sensitivity, low cost, and easy read-out. They have been employed to detect a wide…
View article: Creating pathways for collaboration between Argentina and the UK to utilise microbial biofilms in sustainable agriculture
Creating pathways for collaboration between Argentina and the UK to utilise microbial biofilms in sustainable agriculture Open
Microbial biofilms are complex communities of microorganisms that exist in various environments, including natural and human-built systems and have a significant economic impact on a global scale. In addition to their detrimental impacts, …
View article: Direct and Reagentless Atmospheric Pressure Photoionisation Mass Spectrometry: Rapid and Accurate Differentiation of Cystic Fibrosis Related Bacteria by Monitoring VOCs
Direct and Reagentless Atmospheric Pressure Photoionisation Mass Spectrometry: Rapid and Accurate Differentiation of Cystic Fibrosis Related Bacteria by Monitoring VOCs Open
Breath analysis is an area of significant interest in medical research as it allows for non-invasive sampling with exceptional potential for disease monitoring and diagnosis. Volatile organic compounds (VOCs) found in breath can offer crit…
View article: Membrane Proteins in Action Monitored by Ph-Responsive Liquid Crystal Biosensors
Membrane Proteins in Action Monitored by Ph-Responsive Liquid Crystal Biosensors Open
View article: Temperature and pH Stimuli-Responsive System Delivers Location-Specific Antimicrobial Activity with Natural Products
Temperature and pH Stimuli-Responsive System Delivers Location-Specific Antimicrobial Activity with Natural Products Open
Smart materials with controlled stimuli-responsive functions are at the forefront of technological development. In this work, we present a generic strategy that combines simple components, physicochemical responses, and easy fabrication me…
View article: Economic significance of biofilms: a multidisciplinary and cross-sectoral challenge
Economic significance of biofilms: a multidisciplinary and cross-sectoral challenge Open
View article: Effect of Local Topography on Cell Division of Staphylococcus spp.
Effect of Local Topography on Cell Division of Staphylococcus spp. Open
Surface engineering is a promising strategy to limit or prevent the formation of biofilms. The use of topographic cues to influence early stages of biofilm formationn has been explored, yet many fundamental questions remain unanswered. In …
View article: One-step preparation of antimicrobial silicone materials based on PDMS and salicylic acid: insights from spatially and temporally resolved techniques
One-step preparation of antimicrobial silicone materials based on PDMS and salicylic acid: insights from spatially and temporally resolved techniques Open
View article: A Novel Self-Assembly Strategy for the Fabrication of Nano-Hybrid Satellite Materials with Plasmonically Enhanced Catalytic Activity
A Novel Self-Assembly Strategy for the Fabrication of Nano-Hybrid Satellite Materials with Plasmonically Enhanced Catalytic Activity Open
The generation of hydrogen from water using light is currently one of the most promising alternative energy sources for humankind but faces significant barriers for large-scale applications due to the low efficiency of existing photo-catal…
View article: Effect of local topography on cell division of Staphylococci sp.
Effect of local topography on cell division of Staphylococci sp. Open
Dataset.zip This dataset includes the raw and annotated images used to train a Stardist 2D deep learning model for segmentation of surface attached S.aureus as described in Effect of local topography on cell d…
View article: Effect of local topography on cell division of Staphylococci sp.
Effect of local topography on cell division of Staphylococci sp. Open
Dataset.zip This dataset includes the raw and annotated images used to train a Stardist 2D deep learning model for segmentation of surface attached S.aureus as described in Effect of local topography on cell d…
View article: Ion shuttling between emulsion droplets by crown ether modified gold nanoparticles† † Electronic supplementary information (ESI) available: Emulsion details, additional images of aqueous droplets with barium sulfate under various conditions and additional SEM images. Also, a video showing the formation of BaSO4 precipitates in emulsion droplets, and discussions of control experiments and complexation equilibria. See DOI: 10.1039/d1na00009h
Ion shuttling between emulsion droplets by crown ether modified gold nanoparticles† † Electronic supplementary information (ESI) available: Emulsion details, additional images of aqueous droplets with barium sulfate under various conditions and additional SEM images. Also, a video showing the formation of BaSO4 precipitates in emulsion droplets, and discussions of control experiments and complexation equilibria. See DOI: 10.1039/d1na00009h Open
View article: Ion shuttling between emulsion droplets by crown ether modified gold nanoparticles
Ion shuttling between emulsion droplets by crown ether modified gold nanoparticles Open
Crown-ether modified gold nanoparticles act as charge transporters between aqueous droplets. The thermodynamic driving force for this continuous non-equilibrium process is precipitation of BaSO4 in one population of droplets.
View article: Investigating the Antibacterial Properties of Inverse Vulcanized Sulfur Polymers
Investigating the Antibacterial Properties of Inverse Vulcanized Sulfur Polymers Open
More than 60 million tons of sulfur are produced as a byproduct of the petrochemical industry annually. Recently, the inverse vulcanization process has transformed this excess sulfur into functional polymers by stabilization with organic c…
View article: CSD 1977978: Experimental Crystal Structure Determination
CSD 1977978: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Anion compositional diversity reduces bonding dimensionality in the van der Waals semiconductor Bi4O4SeCl2
Anion compositional diversity reduces bonding dimensionality in the van der Waals semiconductor Bi4O4SeCl2 Open
Making new van der Waals materials with electronic or magnetic functionality is a chemical design challenge for the development of two-dimensional nanoelectronic and energy conversion devices. We present the synthesis and properties of the…
View article: Modular Design via Multiple Anion Chemistry of the High Mobility van der Waals Semiconductor Bi<sub>4</sub>O<sub>4</sub>SeCl<sub>2</sub>
Modular Design via Multiple Anion Chemistry of the High Mobility van der Waals Semiconductor Bi<sub>4</sub>O<sub>4</sub>SeCl<sub>2</sub> Open
Making new van der Waals materials with electronic or magnetic functionality is a chemical design challenge for the development of two-dimensional nanoelectronic and energy conversion devices. We present the synthesis and properties of the…
View article: Effect of Polymer Demixed Nanotopographies on Bacterial Adhesion and Biofilm Formation
Effect of Polymer Demixed Nanotopographies on Bacterial Adhesion and Biofilm Formation Open
As the current global threat of antimicrobial resistance (AMR) persists, developing alternatives to antibiotics that are less susceptible to resistance is becoming an urgent necessity. Recent advances in biomaterials have allowed for the d…
View article: Assessing the impact of chemically engineered surface modifications with respect to attachment, survival and the development of microbes at the cellular level
Assessing the impact of chemically engineered surface modifications with respect to attachment, survival and the development of microbes at the cellular level Open
Recently scientific and industrial interest has grown in relation to antimicrobial surfaces. This interest is mainly due to the persistent and prevalent microbial contamination of industrial and medical surfaces. A critical issue is the di…
View article: Ultrafast Vibrational Dynamics of CO Ligands on RuTPP/Cu(110) under Photodesorption Conditions
Ultrafast Vibrational Dynamics of CO Ligands on RuTPP/Cu(110) under Photodesorption Conditions Open
We have studied CO coordinated to ruthenium tetraphenylporphyrin (RuTPP)/Cu(110) and directly adsorbed to Cu(110), using femtosecond pump-sum frequency probe spectroscopy, to alter the degree of electron-vibration coupling between the meta…
View article: Correction: Controlling the preferential motion of chiral molecular walkers on a surface
Correction: Controlling the preferential motion of chiral molecular walkers on a surface Open
Correction for ‘Controlling the preferential motion of chiral molecular walkers on a surface’ by David Abbasi-Pérez et al., Chem. Sci., 2019, DOI: 10.1039/c9sc01135h.
View article: Controlling the preferential motion of chiral molecular walkers on a surface
Controlling the preferential motion of chiral molecular walkers on a surface Open
Chiral molecular walkers, standing on their ‘feet’ on an anisotropic surface, perform preferential unidirectional Brownian motion under the influence of an external oscillating field according to their orientation, conformation and chirali…
View article: Porphine Homocoupling on Au(111)
Porphine Homocoupling on Au(111) Open
The\ncovalent coupling of porphine molecules on Au(111) is studied\nby scanning probe microscopy experiments and density functional theory.\nAt sufficient temperatures, dehydrogenative C–C coupling of\nthe unfunctionalized molecules occurs…
View article: Nitric Oxide Releasing Polymeric Coatings for the Prevention of Biofilm Formation
Nitric Oxide Releasing Polymeric Coatings for the Prevention of Biofilm Formation Open
The ability of nitric oxide (NO)-releasing polymer coatings to prevent biofilm formation is described. NO-releasing coatings on (poly(ethylene terephthalate) (PET) and silicone elastomer (SE)) were fabricated using aminosilane precursors. …
View article: Modified Mesoporous Silica Nanoparticles with a Dual Synergetic Antibacterial Effect
Modified Mesoporous Silica Nanoparticles with a Dual Synergetic Antibacterial Effect Open
Application of mesoporous silica nanoparticles (MSNs) as antifouling/antibacterial carriers is limited and specifically with a dual synergetic effect. In the present work, MSNs modified with quaternary ammonium salts (QASs) and loaded with…