Best in 7 days
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Description
Reactive Oxygen Species in Plant Signaling (2009)Oxygen (O ) appeared in significant amounts in the Earth's atmosphere over 2. 2 2 billion years ago, largely due to the evolution of photosynthesis by cyanobacteria (Halliwell 2006). The O molecule is a free radical, as it has two impaired electrons 2 that have the same spin quantum number. This spin restriction makes O prefer to 2 accept its electrons one at a time, leading to the generation of the so called reactive oxygen species (ROS). The
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 2455 reviews
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Product Reviews
★★★★★ 5
Nice cup!
Color: Silver
Nice measuring cup. I appreciate the pretty wooden handle. Using this espresso measuring cup has upped my latte game considerably!
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Reviewed in the United States on November 28, 2025
★★★★★ 4
Decent 3oz measurer
Color: Black, Color: Black
I like it, it works. However it is a bit heavy on the handle side. You think somebody like maestri house would get it correct. Could have used heavier metal on the measuring cup. Anyways I keep it it's nice.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Expresso
Color: Silver
I like it. Each coffee perfectly measured
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Reviewed in the United States on January 25, 2026
★★★★★ 5
Very useful
Color: Black
Very useful addition to my expresso brewing
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Reviewed in the United States on January 23, 2026
★★★★★ 3
Needs to be a little larger for two shots
Color: Silver
Nice quality but overflows with two shots of espresso from my machine.
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Reviewed in the United States on January 13, 2026
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