Recently in Nature, Gjorevski et al. (2016) describe a fully defined synthetic hydrogel that mimics the extracellular matrix to support in vitro growth of intestinal stem cells and organoids. The hydrogel allows exquisite control over the chemical and physical in vitro niche and enables identification of regulatory properties of the matrix.
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http://dx.doi.org/10.1016/j.stem.2016.12.010 | DOI Listing |
Sci Prog
January 2024
Department of Mathematics, Division of Science and Technology, University of Education, Lahore, Pakistan.
In modern cryptography, Substitution Boxes (S-boxes) are critical in introducing confusion into ciphertext, significantly enhancing encryption security. With the rising sophistication of hacking techniques, there is a growing need to develop stronger and more dynamic S-boxes. This paper proposes a novel method for constructing cryptographically secure S-boxes using graph theory, specifically based on the Minimum Spanning Tree (MST) of cycle graphs.
View Article and Find Full Text PDFBiosens Bioelectron
October 2024
Institute of Nano- and Biotechnologies (INB), Aachen University of Applied Sciences, Campus Jülich, 52428, Jülich, Germany; Institute of Biological Information Processing (IBI-3), Research Centre Jülich GmbH, 52425, Jülich, Germany. Electronic address:
As one class of molecular imprinted polymers (MIPs), surface imprinted polymer (SIP)-based biosensors show great potential in direct whole-bacteria detection. Micro-contact imprinting, that involves stamping the template bacteria immobilized on a substrate into a pre-polymerized polymer matrix, is the most straightforward and prominent method to obtain SIP-based biosensors. However, the major drawbacks of the method arise from the requirement for fresh template bacteria and often non-reproducible bacteria distribution on the stamp substrate.
View Article and Find Full Text PDFPathol Res Pract
January 2022
Department of Pathology and Laboratory Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, 2200 Northern Blvd, Suite 104, Greenvale, NY 11548, USA; Department of Pathology, Renaissance School of Medicine, Stony Brook University, 100 Nicolls Rd, Stony Brook, NY 11794, USA.
The role of stromal differentiation (SD), program death-ligand 1 (PD-L1), and v-domain Ig suppressor of T cell activation (VISTA) in gastrointestinal stromal tumor (GIST) is largely unknown. Looking forward, the assessment of SD and immune check point inhibition will become more ubiquitous in surgical pathology. Immature, myxoid stroma has been found to be a poor prognostic signature in many cancer subtypes (colon, breast, cervix, esophagus, stomach); although little is known regarding its significance in GIST.
View Article and Find Full Text PDFFront Syst Neurosci
November 2021
Department of Psychology, Università Cattolica del Sacro Cuore, Milan, Italy.
The term "regenerative medicine" (RM) indicates an emerging trend in biomedical sciences that aims at replacing, engineering, or regenerating human cells, tissues, or organs to restore or establish normal function. So far, the focus of RM has been the physical body. Neuroscience, however, is now suggesting that mental disorders can be broadly characterized by a dysfunction in the way the brain computes and integrates the representations of the inner and outer body across time [bodily self-consciousness (BSC)].
View Article and Find Full Text PDFSci Rep
August 2021
Department of Pathology and Laboratory Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA.
Colorectal cancer (CRC) is the third most common cause of cancer related death in the United States (Jasperson et al. in Gastroenterology 138:2044-2058, https://doi.org/10.
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