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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
For Your Every Summer RSVP, with Code: SUMMER15
Description
Dual Media SetAlthough recombinant protein expression in E. coli has become all but routine, high level protein expression or over expression is not always consistent and repeatable for every protein. Our research at Zymo Research Corp. has shown that high level protein expression can be achieved consistently when two processes cell expansion and protein expression are completely separated. The Dual Media Set, different from commonly used protein expression
Although recombinant protein expression in E. coli has become all but routine, high level protein expression or over-expression is not always consistent and repeatable for every protein. Our research at Zymo Research Corp. has shown that high level protein expression can be achieved consistently when two processes - cell expansion and protein expression - are completely separated. The Dual Media Set, different from commonly used protein expression procedures using Luria Broth (LB) or other specially prepared medium, contains two media, EXPANSION BROTH (EB) and OVEREXPRESSION BROTH (OB). For cell expansion, E. coli cells are grown in EB, while the production of the recombinant protein is almost completely repressed. For high level protein expression, the expanded cell culture is simply added into OB media. By using the Dual Media Set system, protein overexpression can be reliably controlled for many proteins.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.2 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Smaller than I expected
Small but perfect for purse or pocket. Easy to apply without getting it all over your hands.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Great for old damaged skin on Hands
Easy to apply not sticky.
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Reviewed in the United States on April 18, 2026
★★★★★ 4
Travel Sunscreen
Easy to use and effective. Great for my purse.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
love!
goes on super smooth, love the smell of it
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Reliable protection that stays put during workouts!
Style: SPF 50, Size: 8 Fl Oz (Pack of 1)
I’ve tried many expensive name-brand sunscreens, but this Amazon Basics version performs just as well, if not better. It’s become my go-to for morning runs and trips to the beach because it actually stays on even when I’m sweating.
Why I gave it 5 stars:
Non-Greasy Formula: Unlike other sport sunscreens, this one absorbs quickly and doesn't leave that heavy, sticky film on my skin.
Actually Water Resistant: I’ve used it for laps in the pool and long hikes; as long as I reapply as directed, I haven't had a single sunburn.
No "Sting": One of the best things is that it doesn't run into my eyes and sting when I start to sweat—a huge plus for runners.
Great Value: You get a generous 8-ounce bottle for a fraction of the price of "premium" brands. The fact that it’s formulated without Oxybenzone is an added bonus for peace of mind.
If you’re looking for effective, no-frills sun protection for an active lifestyle, you can't beat this. It’s a staple in my gym bag now!
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Reviewed in the United States on April 6, 2026
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