Brown algal kelp species are the most efficient iodine accumulators among all living systems, with an average content of 1.0% of dry weight in Laminaria digitata, representing a ca. 30,000-fold accumulation of this element from seawater. Like other marine macroalgae, kelps are known to emit volatile short-lived organo-iodines, and molecular iodine which are believed to be a main vector of the i...

Certain species of microalgae are natural accumulators of lipids, while others are more inclined to store starch. However, what governs the preference to store lipids or starch is not well understood. In this study, the microalga Dunaliella tertiolecta was used as a model to study the global gene expression profile regulating starch accumulation in microalgae. D. tertiolecta, when depleted of n...

Zinc (Zn) is an essential micronutrient for plants, playing catalytic or structural roles in enzymes, transcription factors, ribosomes, and membranes. In humans, Zn deficiency is the second most common mineral nutritional disorder, affecting around 30% of the world's population. People living in poverty usually have diets based on milled cereals, which contain low Zn concentrations. Biofortific...

In this work we introduce a novel approach to digit-serial/parallel multiplication. This general class of multipliers is based on shiftaccumulation which also makes the approach suitable for implementation of shift-accumulators in distributed arithmetic. As a variable in the design process, the maximal number of cascaded fulladders can be selected. Thus, it is possible to as a special case obta...

An accumulator and cycling unit from the Electronic Numerical Integrator and Calculator (ENIAC) are implemented on a Field Programmable Gate Array (FPGA). The FPGA implementation is not architecturally identical to the original ENIAC, but the original architectural design is maintained where possible. The design maintains decimal number representation, ring counters to increment numbers, and te...

We present a new transformation of Prolog programs preserving operational equivalence. Our transformation — EBC (equality based continuation) transformation — relies on the introduction of equations between terms. These equations are used to introduce alternative and more efficient representations of terms. When applied to binary Prolog programs, EBC is able to perform the following optimizatio...

For quantifying vocal load over extended periods of time in real-life situations, the best adapted tools are voice dosimeters or voice accumulators. Such devices measure the frequency (F0), the intensity (SPL) and the duration of speech occurrences, generally using an accelerometer attached to the base of the neck. Growing attention has been focused on evaluating patterns of vocal behavior beca...

This paper models choice deferral using a sequential sampling and accumulation theory of preferential choice. It assumes that choice options are accepted or rejected if accumulators reach an upper or lower threshold, and that choice is deferred if these thresholds are not crossed by a fixed time. The proposed model can explain a wide range of findings regarding the determinants and consequences...

Brown algae of the Laminariales (kelps) are the strongest accumulators of iodine among living organisms. They represent a major pump in the global biogeochemical cycle of iodine and, in particular, the major source of iodocarbons in the coastal atmosphere. Nevertheless, the chemical state and biological significance of accumulated iodine have remained unknown to this date. Using x-ray absorptio...