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Looking Downstream: Could Nanosilver in Consumer Products Affect Pond Life?

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Looking Downstream: Could Nanosilver in Consumer Products Affect Pond Life? is rated 3.9 out of 5 by 83.
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$2.20 - $9.95Qty Discount Available View Details

In this Science Buddies project, you'll use a live specimen to investigate how a specific freshwater organism, Daphnia magna, responds to the exposure to different concentrations of nanosilver. You can customize your materials to include the live samples, magnifier, pond water, and other supplies needed to complete this experiment.

 
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Do you know why enzymes are oftentimes called the workhorses of biochemistry? It's because they can speed up a wide variety of chemical reactions, and chemists and biologists use enzymes to do all kinds of jobs. In this project, pectinase, an enzyme frequently used in the food industry, will be used to extract juice from apples.

View the full project, background information, procedures, and more at ScienceBuddies.com

 
 
 
Rated 5 out of 5 by from Great for Daphnia Magna My son's science experiment left a jar full of daphnia magna survivors which we did not have the heart to kill, so we started feeding them yeast and they are thriving... The pond water we ordered seems perfect for them.
Date published: 2018-02-27
Rated 5 out of 5 by from Daphnia Magna culture, living We received the package as expected. The livings Daphnia were properly packed. We were very pleased with the delivery.
Date published: 2018-02-22
Rated 1 out of 5 by from I recieved a culture and most of the culture turned into cyclops....i feed them algae, yeast, and grain....the whole culture pretty much died as cyclops took over i don't know if they out competed or if they ate the daphnia babies
Date published: 2018-02-21
Rated 5 out of 5 by from Daphnia Cultures Living. We were purchasing the cultures for past few years for studying effects of various agents on Daphina heart rate. The cultures were shipped on time and arrived in satisfactory condition. Once there was an issue with the shipment and when we communicated to the customer service, they were courteous and very prompt in rectifying it. We were shipped us a replacement free of charge. We were very happy about the service provided to us.
Date published: 2018-01-21
Rated 5 out of 5 by from Still Alive monts later!! Great specimens for a lab activity- used them for building aquatic ecosystems and they are still thriving in the ecosystems months after the purchase.
Date published: 2018-01-09
Rated 5 out of 5 by from Plastic Graduates Worth every penny, they are accurate and very economical
Date published: 2018-01-05
Rated 5 out of 5 by from Great customer service My daughter needed live Daphnia magna for her science fair project. While she knew what she needed to do to conduct the experiment, we were at a loss as to the Daphnia themselves. I called Carolina Biological Supply numerous times and each time received the assistance I needed. Steve in live organisms was particularly helpful, as we did not know exactly which type of Daphnia to use, or if we needed to purchase Daphnia food or other accessories. I left him several detailed messages, and each time he called me back promptly. One time was later in the day, and he provided me with alternate contact information in case we did not have the answers we needed by the end of business hours that day. The Daphnia arrived on time and in great condition (I live in northern VA, and it gets cold here in early Dec, but we had no issues with temperature affecting the organisms). They actually lasted MUCH longer than expected. (So much so that when her experiment was over, my daughter insisted on keeping the containers with live Daphnia until no more were left. We did not intentionally set up a culture, but it is a month later and we still have a few survivors which is bad for counter space, but good for curious young minds!) I would 100% recommend Carolina Biological Supply, and will definitely use them for any future needs.
Date published: 2018-01-03
Rated 4 out of 5 by from Great for Experiments! I purchased this about a month ago for a science fair experiment. When they arrived, most of them were swimming around and I could start the experiment within a day. The culture had both big and small Daphnias. They were shipped with care and they also gave with the Daphnia culture, 3 plastic watering pipettes. Its a great company and their live products are great too!
Date published: 2018-01-01
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