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Optical and electrical control of the nuclear spin system allows enhancing the sensitivity of NMR applications and spin-based information storage and processing. Dynamic nuclear polarization in semiconductors is commonly achieved in the presence of a stabilizing external magnetic field. Here we report efficient optical pumping of nuclear spins at zero(More)
Lysophosphatidylethanolamine (LPE) is natural lipid that has been shown to act as a signaling molecule. Recent evidence suggests that LPE can act like auxin promoting shelf life and growth of plant tissues. Using potato shoot cultures we have shown that calcium deficiency can result in shoot tip necrosis resulting in the loss of apical dominance and(More)
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