608084 external_news 1532545830 1532545830 What does Georgia Tech think about element 79? Mostafa El-Sayed has many uses for gold, including stopping cancer metastasis. In a ScienceTrends article, he proposes gold as a catalyst for electrosynthesis of nitrogen-based fertilizers. By using Au nanoparticles, El-Sayed calculates that the cost of the gold used for synthesis would only 8% of the price of ammonia ($800 per ton of ammonia) that farmers currently purchase in the market. El-Sayed is a professor in the School of Chemistry and Biochemistry.

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