منابع مشابه
A sticky solution
Selection favours single-celled mutants that stick together when a sugar needed for growth is in short supply, suggesting that multicellular life may have evolved as a by-product of selection for more efficient usage of resources.
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Sticking plasters revolutionized the protection of minor wounds, but they’re not ideal for fragile skin. A material that mimics the adhesive properties of certain beetles’ feet might provide a solution. Adhesives that stick to skin for long periods of time, or over multiple cycles of use, are vital for medical applications. Such materials have to conform to stringent standards — for example, th...
متن کاملPluronic additives: a solution to sticky problems in digital microfluidics.
Digital microfluidics (DMF) is a promising technique for carrying out miniaturized, automated biochemical assays in which discrete droplets of reagents are actuated on the surface of an array of electrodes. A limitation for DMF is nonspecific protein adsorption to device surfaces, which interferes with assay fidelity and can cause droplets to become unmovable. Here, we report the results of a q...
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Graphene oxide (GO) can be viewed as a two-dimensional, random diblock copolymer with distributed nanosize graphitic patches and highly oxidized domains, thus capable of guiding the assembly of other materials through both π-π stacking and hydrogen bonding. Upon mixing GO and conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) in water, a dispersion with drama...
متن کاملSticky Solution Provides Grip for the First Robotic Pollinator
http://dx.doi.org/10.1016/j.chempr.2017.01.012 The first record of hand pollination was in a relief from an Assyrian dynasty, 800 BC, now preserved in the Boston Museum of Fine Arts. In the relief, shown in Figure 1A, two winged deities gingerly fertilize a date palm tree by using a male flower. Nearly 3,000 years later, pollination has been automated. In this issue of Chem, Chechetka et al. de...
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ژورنال
عنوان ژورنال: eLife
سال: 2013
ISSN: 2050-084X
DOI: 10.7554/elife.00655