Results 211 to 220 of about 2,095,505 (265)
Single‐molecule DNA flow‐stretch assays for high‐throughput DNA–protein interaction studies
FEBS Open Bio, EarlyView.We describe an optimised single‐molecule DNA flow‐stretch assay that visualises DNA–protein interactions in real time. Linear DNA fragments are tethered to a surface and stretched by buffer flow for fluorescence imaging. Using λ and φX174 DNA, this protocol enhances reproducibility and accessibility, providing a versatile approach for studying diverse ...
Ayush Kumar Ganguli +8 more
wiley +1 more source
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Activation of a gene activator
Immunology Today, 1987Differential gene expression is fundamental to the existence of any complex metazoan organism: certain genes are only expressed in some cell types while others are turned on and off at specific stages in a developmental pathway. These changes in expression are activated by intracellular and extracellular signals - molecules that trigger a specific ...
I K, Hariharan, N, Gough
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Enzyme activation for activator and enzyme activity measurement
Biosensors and Bioelectronics, 1993A new sensing principle of enzyme activation is demonstrated for the determination of glycogen phosphorylase b and its allosteric effector AMP. As the indicator of the phosphorylase catalysed glycogen phosphorolysis, glucose-1-phosphate formation has been detected with an enzyme sequence comprising coentrapped alkaline phosphatase, mutarotase and ...
Wollenberger, Ulla (Prof. Dr.) +1 more
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To Actively Initialize Active Learning
Pattern Recognition, 2022Though much effort has been spent on designing new active learning algorithms, little attention has been paid to the initialization problem of active learning, i.e., how to find a set of labeled samples which contains at least one instance per category. This work identifies the initialization of active learning as a separate and novel research problem,
Yazhou Yang, Marco Loog
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British Journal of Orthodontics, 1978
The Harvold activator is described and its effects are explained.
R T, Reed, I S, Hathorn
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The Harvold activator is described and its effects are explained.
R T, Reed, I S, Hathorn
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Active packaging with antifungal activities
International Journal of Food Microbiology, 2016There have been many reviews concerned with antimicrobial food packaging, and with the use of antifungal compounds, but none provided an exhaustive picture of the applications of active packaging to control fungal spoilage. Very recently, many studies have been done in these fields, therefore it is timely to review this topic. This article examines the
Nguyen van Long, Nicolas +2 more
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Activation of macrophages for antimycobacterial activity
Immunology Letters, 1985The role of macrophage hydrogen peroxide in defense against mycobacterial infection is discussed - not because this is necessarily any more important than other macrophage products (reviews: [1, 2]) but more as a reflection of recently available information.
D B, Lowrie, P S, Jackett, P W, Andrew
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Apoptotic Caspase Activation and Activity
2008Caspases are central to the execution of apoptosis. Their proteolytic activity is responsible for the demise of cells in many physiological and pathological states. Great advances in understanding caspases have been made using recombinant caspase expression and enzymatic characterization.
Jean-Bernard, Denault, Guy S, Salvesen
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Activity—From Action to Activity
Scandinavian Journal of Caring Sciences, 1995In this article, existing terminology concerning occupational performance is reviewed. The authors conclude that the occupational therapy terminology available is insufficient to describe levels of complexity in the performance of an activity. Concepts are suggested to describe the different aspects of an activity, namely operations, single actions ...
L, Haglund, C, Henriksson
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Procoagulant Activity of Activated Monocytes
Haemostasis, 2009Endotoxin-stimulated monocytes develop a very high tissue-factor-like activity as compared to an equivalent number of monocytes in a preparation of monocyte-enriched mononuclear blood cells obtained by Ficoll®-Urovison® density gradient centrifugation which is not exposed to endotoxin.
E, Hiller, J G, Saal, G, Riethmüller
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