Thomas J. Tewes
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View article: Exploring interactions of Aliivibrio fischeri with water-soluble polymers using bioluminescence and Raman microspectroscopy
Exploring interactions of Aliivibrio fischeri with water-soluble polymers using bioluminescence and Raman microspectroscopy Open
Water-soluble polymers (WSPs) are widely used in biomedical and industrial applications. However, their ecological impact, including interactions with microorganisms, remains insufficiently understood and warrants further investigation. Al…
View article: Hygiene Efficacy of Short Cycles in Domestic Dishwashers
Hygiene Efficacy of Short Cycles in Domestic Dishwashers Open
This study investigated how factors associated with Sinner’s principle—namely temperature, time, and the chemical composition of detergents—affected the antimicrobial efficacy of domestic dishwashers, particularly during short cycles. Thes…
View article: A Combined Raman Spectroscopy and Chemometrics Study of the Interaction of Water-Soluble Polymers with Microorganisms
A Combined Raman Spectroscopy and Chemometrics Study of the Interaction of Water-Soluble Polymers with Microorganisms Open
Optical spectroscopic methods such as Raman spectroscopy offer several advantages for the analysis of water-soluble polymers (WSPs). There is often no need for complex sample preparation, and measurements are usually rapid, mostly non-dest…
View article: With a Little Help from My Friends: The Role of Detergents for Energy, Efficiency, and Hygiene in Domestic Dishwashing
With a Little Help from My Friends: The Role of Detergents for Energy, Efficiency, and Hygiene in Domestic Dishwashing Open
Domestic dishwashers have become an integral part of modern households, offering convenience and effective cleaning. However, efforts to reduce energy and water consumption have resulted in longer wash programmes, which, despite their high…
View article: Short and sweet: balancing energy savings and cleaning performance to identify efficient short-cycles for domestic dishwashers
Short and sweet: balancing energy savings and cleaning performance to identify efficient short-cycles for domestic dishwashers Open
Optimizing the energy efficiency of household appliances is crucial to appliance manufacturers, energy suppliers, governments and, almost importantly, consumers. For the reliable cleaning of normally soiled dishes, consumers can save energ…
View article: Unveiling the efficacy of a bulk Raman spectra-based model in predicting single cell Raman spectra of microorganisms
Unveiling the efficacy of a bulk Raman spectra-based model in predicting single cell Raman spectra of microorganisms Open
In a previous publication, we trained predictive models based on Raman bulk spectra of microorganisms placed on a silicon dioxide protected silver mirror slide to make predictions for new Raman spectra, unknown to the models, of microorgan…
View article: Brevity is the soul of wit – how time, temperature and detergent choice impact the cleaning performance in domestic dishwashers
Brevity is the soul of wit – how time, temperature and detergent choice impact the cleaning performance in domestic dishwashers Open
In addition to high cleaning performance, many consumers pay special attention to low energy and water consumption in automatic dishwashers. Eco programs are designed to effectively clean normally soiled dishes with low energy and water co…
View article: Use of Automatic Dishwashers and Their Programs in Europe with a Special Focus on Energy Consumption
Use of Automatic Dishwashers and Their Programs in Europe with a Special Focus on Energy Consumption Open
Due to the current high awareness and rising energy costs, the energy label of domestic appliances is an important indicator for consumers when buying a dishwasher. However, not all consumers use efficient Eco cycles on a regular basis. Wh…
View article: Understanding Raman Spectral Based Classifications with Convolutional Neural Networks Using Practical Examples of Fungal Spores and Carotenoid-Pigmented Microorganisms
Understanding Raman Spectral Based Classifications with Convolutional Neural Networks Using Practical Examples of Fungal Spores and Carotenoid-Pigmented Microorganisms Open
Numerous publications showing that robust prediction models for microorganisms based on Raman micro-spectroscopy in combination with chemometric methods are feasible, often with very precise predictions. Advances in machine learning and ea…
View article: Raman Microscopic Analysis of Dry-Surface Biofilms on Clinically Relevant Materials
Raman Microscopic Analysis of Dry-Surface Biofilms on Clinically Relevant Materials Open
Moist/hydrated biofilms have been well-studied in the medical area, and their association with infections is widely recognized. In contrast, dry-surface biofilms (DSBs) on environmental surfaces in healthcare settings have received less at…
View article: Raman Microscopic Identification of Microorganisms on Metal Surfaces via Support Vector Machines
Raman Microscopic Identification of Microorganisms on Metal Surfaces via Support Vector Machines Open
An easy, inexpensive, and rapid method to identify microorganisms is in great demand in various areas such as medical diagnostics or in the food industry. In our study, we show the development of several predictive models based on Raman sp…
View article: Detection of acquired radioresistance in breast cancer cell lines using Raman spectroscopy and machine learning
Detection of acquired radioresistance in breast cancer cell lines using Raman spectroscopy and machine learning Open
PCA–LDA scatter plot for Raman spectra of wild-type (circles) and radioresistant (traingles) breast cancer cell lines. An accuracy of 100% is achieved in classifying radioresistant from wild-type for all 198 spectra in the test set (open m…