Results 31 to 40 of about 312,703 (216)

Practical Guide of Key Physical Considerations in Numerical Analysis for Nanophotonic Experiments

open access: yesIEEE Photonics Journal
Interest in the ever-expanding field of nanoscopy techniques has greatly increased in recent years. Specifically, in-depth characterization through optical techniques capable of nano-resolution enables a deep understanding of nanostructures and their ...
Avi Karsenty   +2 more
doaj   +1 more source

Reconstructing enzyme evolution by protein engineering

open access: yesFEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler   +2 more
wiley   +1 more source

Structure‐forward targeting of claudins with synthetic binders

open access: yesFEBS Letters, EarlyView.
Claudins form the paracellular barriers between epithelial and endothelial tissues at tight junctions and are targets for molecular binders with the goal of modulating barrier permeability. Claudin‐binding molecules are relevant in drug delivery or in altering claudin interactions with disease‐causing proteins.
Alex J. Vecchio
wiley   +1 more source

Epigenetic reprogramming of lineage switching in cancer

open access: yesFEBS Letters, EarlyView.
Cancer cells rarely commit to a single identity. Epigenetic mechanisms and tumor microenvironment cues push epithelial cells toward flexible, hybrid states that can shift into mesenchymal, neuroendocrine, or stem‐like fates, driving metastasis, drug resistance, and tumor heterogeneity. Targeting the epigenetic regulators behind these transitions, using
Ezgi Boyvatlı   +4 more
wiley   +1 more source

Membrane composition and thermodynamic identity as boundaries of life for synthetic cell research

open access: yesFEBS Letters, EarlyView.
What makes a cell a cell? The boundary of a living cell is not just a wall. Read as a Markov blanket, the membrane separates internal from external states, generating identity and non‐equilibrium order. Can this identity be rebuilt from scratch in a synthetic cell?
Caterina Presutti, Bert Poolman
wiley   +1 more source

Special Theory of Relativity without special assumptions and tachyonic motion

open access: yesCondensed Matter Physics, 2010
The most general form of transformations of space-time coordinates in Special Theory of Relativity based solely on physical assumptions is described. Only the linearity of space-time transformations and the constancy of the speed of light are used as ...
E. Kapuścik
doaj   +1 more source

A class of symmetric-hyperbolic PDEs modelling fluid and solid continua*** [PDF]

open access: yesESAIM: Proceedings and Surveys
We generalize a new symmetric-hyperbolic system of PDEs proposed in [ESAIM:M2AN 55 (2021) 807-831] for Maxwell fluids to a class of systems that define unequivocally multi-dimensional visco-elastic flows. Precisely, within a general setting for continuum
Boyaval Sébastien
doaj   +1 more source

Evaluating the economic impact of water scarcity in a changing world

open access: yesNature Communications, 2021
The impacts of water scarcity depend on physical basin characteristics and global economic dynamics. Here, the authors show scenario assumptions can yield either highly positive or negative economic impacts due to water scarcity, and the drivers of these
Flannery Dolan   +5 more
doaj   +1 more source

Mutant p53R273H disrupts PDPK1 homodimerization and contributes to PDPK1 activation

open access: yesMolecular Oncology, EarlyView.
How mutant p53R273H drives AKT signaling is unclear. We show that p53R273H, but not wild‐type, directly binds PDPK1 via a mutation‐dependent conformational change. This interaction disrupts inhibitory PDPK1 homodimerization and enhances AKT phosphorylation.
Mei Chee Lim   +11 more
wiley   +1 more source

FIGHTING THE CLASSICAL CRIME-SCENE ASSUMPTIONS. CRITICAL ASPECTS IN ESTABLISHING THE CRIME-SCENE PERIMETER IN COMPUTER-BASED EVIDENCE CASES [PDF]

open access: yesChallenges of the Knowledge Society, 2016
Physical-world forensic investigation has the luxury of being tied to the sciences governing the investigated space, hence some assumptions can be made with some degree of certainty when investigating a crime.
Cristina DRIGĂ, Svetlana PURICI
doaj  

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