منابع مشابه
Nanoparticles as fluorescence labels: is size all that matters?
Fluorescent labels are often used in bioassays as a means to detect and characterize ligand-receptor binding. This is due in part to the inherently high sensitivity of fluorescence-based technology and the relative accessibility of the technique. There is often little concern raised as to whether or not the fluorescent label itself affects the ligand-receptor binding dynamics and equilibrium. T...
متن کاملMass Is All That Matters in the Size–Weight Illusion
An object in outer space is weightless due to the absence of gravity, but astronauts can still judge whether one object is heavier than another one by accelerating the object. How heavy an object feels depends on the exploration mode: an object is perceived as heavier when holding it against the pull of gravity than when accelerating it. At the same time, perceiving an object's size influences ...
متن کاملSize Isn't All that Matters: Noticing Differences in Size and Temporal Order
The ability to represent time and size is essential for thought and action. These domains have traditionally been investigated independently. However, the processing of events in time and space is postulated to have considerable anatomical and behavioral overlap. Here we formally tested for associations and dissociations of abilities in these domains. We examined patterns of impairments in temp...
متن کاملSystolic pressure is all that matters.
Blood pressure is usually expressed as two com ponents—diastolic and systolic pressures. Systolic hypertension is much more common than diastolic hypertension, and systolic blood pressure contributes more of the huge global disease burden attributable to hypertension than does diastolic pressure. However, there has undoubtedly been confusion about the relative merits of targeting systolic versu...
متن کاملPlant Development: Size Matters, and It's All Down to Hormones
How do plants determine the number of dividing cells required to optimise root growth and ensure seedling establishment? The signals auxin, cytokinin and gibberellin control the balance between cell division and differentiation by regulating SHY2.
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ژورنال
عنوان ژورنال: Nature Nanotechnology
سال: 2009
ISSN: 1748-3387,1748-3395
DOI: 10.1038/nnano.2009.374