We report objective analysis of information in the microscopic image of the cell monolayer. The process of transfer of information about the cell by the microscope is analyzed in terms of the classical Shannon information transfer scheme. The information source is the biological object, the information transfer channel is the whole microscope including the camera chip. The destination is the model of biological system. The information contribution is analyzed as information carried by a point to overall information in the image. Subsequently we obtain information reflection of the biological object. This is transformed in the biological model which, in information terminology, is the destination. This, we propose, should be constructed as state transitions in individual cells modulated by information bonds between the cells. We show examples of detected cell states in multidimensional state space. This space is reflected as colour channel intensity phenomenological state space. We have also observed information bonds and show examples of them.
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Mikrochim Acta
January 2025
College of Chemistry, Chemical Engineering & Environmental Science, Minnan Normal University, Zhangzhou, 363000, China.
The detection of cysteine (Cys) and homocysteine (Hcy) in biological fluids has great significance for early diagnosis, including Alzheimer's and Parkinson's disease. The simultaneous determination of Cys and Hcy with a single probe is still a huge challenge. To enlarge the differences in space structure (line and ring) and energy (-721.
View Article and Find Full Text PDFInt J Cardiol Cardiovasc Risk Prev
March 2025
Beijing Chaoyang Hospital, Capital Medical University, Department of Endocrinology, Beijing, China.
Object: To explore the mechanism of diabetic cardiomyopathy that hyperglycemia may affect the cardiac function by inhibiting the expression of ATPase β subunit.
Method: Cardiac function, fibrosis levels, and the expression of the ATPase β subunit were observed in Akita mice-a diabetes mice model without lipid metabolism disorders--using morphological, molecular biology, and echocardiographic analyses compared to wild-type mice. The study revealed a connection between the decreased ATPase β subunit and the development of diabetic myocardial injury.
Innovation (Camb)
January 2025
Center for Intelligent Biomedical Materials and Devices (IBMD), Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen 518055, China.
Optical tweezers and related techniques offer extraordinary opportunities for research and applications in physical, biological, and medical fields. However, certain critical requirements, such as high-intensity laser beams, sophisticated electrode designs, additional electric sources, or low-conductive media, significantly impede their flexibility and adaptability, thus hindering their practical applications. Here, we report innovative photopyroelectric tweezers (PPT) that combine the advantages of light and electric field by utilizing a rationally designed photopyroelectric substrate with efficient and durable photo-induced surface charge-generation capability, enabling diverse manipulation in various working scenarios.
View Article and Find Full Text PDFPlant Biol (Stuttg)
January 2025
Department of Behavioral Physiology and Sociobiology, University of Würzburg, Würzburg, Germany.
Nature offers a bewildering diversity of flower colours. Understanding the ecology and evolution of this fantastic floral diversity requires knowledge about the visual systems of their natural observers, such as insect pollinators. The key question is how flower colour and pattern can be measured and represented to characterise the signals that are relevant to pollinators.
View Article and Find Full Text PDFJ Exp Psychol Gen
January 2025
Institute for Mind and Biology, University of Chicago.
Individual differences in working memory predict a wide range of cognitive abilities. However, little research has been done on whether working memory continues to predict task performance after repetitive learning. Here, we tested whether working memory ability continued to predict long-term memory (LTM) performance for picture sequences even after participants showed massive learning.
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