منابع مشابه
More Apples Less Chips ?
More Apples Less Chips? The Effect of School Fruit Schemes on the Consumption of Junk Food We use scanner data of supermarket sales to investigate the effects of the EU School Fruit campaign, conducted in a sample of primary schools in the city of Rome during 2010 and 2011, on the consumption of unhealthy snacks. We allocate supermarkets to treatment and control groups depending on whether they...
متن کاملBig Chips
scaling (that is, Dennard scaling) provided three benefits: doubling of integration capacity to deliver twice the number of transistors per unit area every two years at constant price, increased transistor performance, and reduced energy per transistor. With the steady erosion of the latter two benefits, the low-hanging fruit for performance increase has been to exploit integration capacity via...
متن کاملPNA Chips
Definition Peptide nucleic acid (PNA) is an artificial mimic of nucleic acid, which was invented more than a decade ago (7). The molecule combines many features that are similar to those of natural nucleic acids with characteristics that are rather different or even unique to PNA. First and foremost, N-(2-aminoethyl)-glycine units linked by ▶amide bonds substitute the (deoxy)ribosephosphate bac...
متن کاملBig Chips and Beyond
.......This issue features articles on the resurgence and many implications of big chips—from cache-core tradeoffs to power to on-chip networks to clock networks and more. Guest Editors Andrew Kahng and Vijayalakshmi Srinivasan have done an excellent job of pulling together key work related to big chips. However, after a period of some consolidation in microarchitecture, big chips are but one o...
متن کاملMore efficient photolithographic synthesis of DNA-chips by photosensitization.
Light-induced release of photolabile protecting groups is a key step in the photolithographic in-situ synthesis of oligonucleotides in the production of high-density DNA-chips. Protecting groups of the o-nitrophenyl type that are preferentially used for this purpose have rather low absorption coefficients at 366 nm, the wavelength of the most conveniently used mercury line. The weak absorptivit...
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ژورنال
عنوان ژورنال: Analytical Chemistry
سال: 2003
ISSN: 0003-2700,1520-6882
DOI: 10.1021/ac0312099