Patrick Lindemann

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In the present work, we report a novel method for the reinforcement of hierarchically structured molecularly imprinted polymer (MIP) for the separation of human serum albumin (HSA) and immunoglobulin G (IgG) proteins under pressure driven flow conditions. The template proteins (HSA or IgG) were first physically adsorbed at their isoelectric point on the(More)
Mobile location recognition by capturing images of the environment (visual localization) is a promising technique for indoor navigation in arbitrary surroundings. However, it has barely been investigated so far how the user interface (UI) can cope with the challenges of the vision-based localization technique, such as varying quality of the query images. We(More)
User authentication on publicly exposed terminals with established mechanisms, such as typing the credentials on a virtual keyboard, can be insecure e.g. due to shoulder surfing or due to a hacked terminal. In addition, username and password entry can be time-consuming and thus improvable with relation to usability. As security and comfort are often(More)
Saving money is usually a tedious task that requires a high degree of self-control for many of us. Some people have one or more specific savings targets in mind and thus need to prioritize them. We propose connecting a savings box with a personal smartphone. Thus, people become motivated to keep track of their savings for multiple targets. Using a savings(More)
This paper gives an overview of the Gilbert-Johnson-Keerthi (GJK) algorithm, which provides an iterative method for computing the euclidian distance between two convex sets in m-dimensional space with linear time complexity. The algorithm is very versatile and several enhancements have been published since it was first introduced. Apart from some historical(More)
Sharing information between traffic participants can improve traffic flow and safety. Currently, communication is mainly done via vehicle lighting such as brake lamps or turn signals. For enhanced information exchange, we propose using the exterior of vehicles as pervasive displays to present information that may be relevant to other traffic participants.(More)
Recent developments of multi-touch interfaces, which are touch devices able to recognize at least three touches simultaneously, have hit the commercial market with considerable success, as Apple’s iPhone and iPad creations show. The technology is not new, however, but has a long way of more than 30 years of research and development behind it. Considering(More)
We built and evaluated a see-through cockpit prototype for a driving simulation in a mixed reality environment, simulating an HMD-based interface. Advantages of such a system may include better driving performance, collision avoidance and situation awareness. Early results from driving line data indicate potential for improving lateral control by driving(More)