25 Current news of Christian-Albrechts-Universität zu Kiel
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Method saves time and costs when analysing complex microbiological samples
30-Mar-2023
In medical research and diagnostics, the microbiome, i.e. the microbial colonisation of the intestine, is increasingly gaining attention. A stool sample can be used to precisely analyse the complex microbial ecosystem of the gut. There are basically two methods for this: traditional cultivation ...
Material scientists develop nano-structured and reusable substrate for ultra-sensitive detection of low-concentration analytes - Spin-off planned
29-Mar-2023
Surface-Enhanced Raman Scattering (or Spectroscopy), known as SERS, is an advanced analysis method that extends the range of Raman applications to trace analysis such as part per million level detection of a pollutant in water or different liquids. SERS has a high potential to be used in the ...
Using electron microscopy to create ultrafast movies of nano-processes
27-Feb-2023
A slow-motion movie on sports television channels shows processes in hundredths of a second. By contrast, processes on the nanoscale take place in the so-called femtosecond range: For example, an electron needs only billionths of a second to orbit a hydrogen atom. Physicists around the world are ...
Evolutionary trade-offs: Balancing genetic disease risks and pathogen protection
02-Feb-2023
Certain genes can exist in different, functionally divergent variants in the individuals of a species. If they lead to clear differences, for example in a phenotype or susceptibility to disease, this is known in biology as a polymorphism. Typical examples are a number of genes whose variants are ...
The new method will improve the understanding of interactions in molecular systems and to further develop simulation methods
22-Sep-2022
In molecules, the atoms vibrate with characteristic patterns and frequencies. Vibrations are therefore an important tool for studying molecules and molecular processes such as chemical reactions. Although scanning tunnelling microscopes can be used to image individual molecules, their vibrations ...
A good response to the SARS-CoV-2 vaccination is based on naive immune cells, whereas pre-existing memory cells are rather disadvantageous
16-Aug-2022
People who have often been infected by common cold viruses – which also belong to the coronaviruses – are not better protected against COVID-19, neither after infection with SARS-CoV-2 nor after vaccination. "We already showed in 2020 that earlier exposure to common cold viruses does not provide ...
A new method reliably detects protein changes in blood that are typical of Parkinson's disease: "The results are really sensational"
22-Jun-2022
Until now, the diagnosis of Parkinson's disease has been based primarily on typical movement disorders such as muscle stiffness, slower movements and shaking. However, the disease starts up to twenty years before it becomes noticeable as a result of these symptoms. To date, there have been ...
Research teams use imaging and modelling to explain why single bacterial cells do not always grow exponentially
18-Nov-2021
Bacteria as unicellular organisms reproduce by dividing their entire organism. In this way, they can multiply particularly quickly, which allows the exponential growth of bacterial populations, also known from pathogens. The population growth is based on the growth of the individual bacterial ...
An international collaboration uncovers several genetic markers associated with SARS-CoV-2 infection or COVID-19 severity
13-Jul-2021
In March of 2020, thousands of scientists around the world united to answer a pressing and complex question: what genetic factors influence why some COVID-19 patients develop severe, life-threatening disease requiring hospitalization, while others escape with mild symptoms or none at all? A ...
Highest resolution insights into living cells
16-Apr-2021
Bacteria as unicellular organisms normally reproduce by binary cell division, i.e. the duplication of the entire organism consisting of a single cell. This allows particularly rapid multiplication, such as the exponential growth known from pathogens, and requires the separation and distribution ...
