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Hand print

Hand print on a large TSA plate from my 8 1/2 year old son after playing outside.

Comments (23)

  1. How can I construct or purchase a plate to make a handprint of my child? Your image is gorgeous!!!
  2. Thanks! I used a large Kirby Bauer plates (15 x 150 mm) with TSA. I pour the plates myself and get them from either Hardy or Fisher.
  3. OK, I am not familiar with this process, so let me clarify: You used a regular, sterilized (?) dinner plate, and poured the TSA material onto it, making a big petri dish? Where can I get the TSA liquid (?) to make one, and how do I culture the bacteria? Warm oven? Covered/uncovered? A step by step would be appreciated! It makes for a wonderful piece of photographic/scientific art, and a great learning tool!!!
  4. This is the coolest thing I have ever seen. Did you test this to see which bacteria are present? I am interested to know if the ones shown are good flora naturally present on the hands.
  5. I am saving the plate to show the micro students in 1 1/2 weeks. I did take a few close up photo's of some colonies which were also posted: http://www.microbeworld.org/component/jlibrary/?view=article&id=13870 and http://www.microbeworld.org/component/jlibrary/?view=article&id=13869 The big blob in the lower right is the image "unknown from handprint #2" and is most likely a Bacillus sp which is commonly found in dirt.....saw a fair # of what looks like Bacillus. The other image is either a yeast or Bacillus as well. We do this at the beginning of the semester and this is pretty common. The white being Staph and the colored colonies probably yeast. The colored colonies tend to show up after the plates are refrigerated or left at room temp for a few days. Once summer school starts I might do some G stains if I have time but micro is not the only class I tech and it looks to be a fairly busy summer.
  6. I remember years ago having a student with a child in kindergarten. Any time he was near campus, he would beg his father to take him to the microbiology laboratory, where he would beg me for a plate. He'd then touch the plate and take it home. Later, his father would bring it back to be autoclaved. Anyway, the kid just thought it was the coolest thing. We microbiologists should appreciate the appeal that our discipline can have to young children. A director of a Montessori school that used to bring their children to my lab speculated that it may be microbes' relative invisibility and possible danger that makes them irresistible. Find a way to get little kids into the lab. You'll make their day, and they'll make yours. (By the way, found this post as a link from Vox!)
  7. And this is the first of the interviews on NBC related to this image: http://www.today.com/health/striking-photo-shows-all-bacteria-8-year-olds-hand-t25096 Thank you ASM for the opportunity to post images like this!
  8. http://www.theblaze.com/stories/2015/06/08/8-year-olds-bacteria-handprint-shows-whats-lurking-out-in-the-world-most-of-it-wont-hurt-you/
  9. Which is the large colony on the right side bottom of the plate. I see there are no colonies close to this colony. Any guess?
  10. Hi! My name is Christine and I am with Newsy.com. We are thinking of working on a story about your son's handprint! Could we have permission to use this photo in our story? slusser@newsy.com. Thank you!
  11. bharat, the large colony on the lower right part of the plate looks like Streptomyces. They're commonly found in soil, and form large, irregular colonies with fungal-like mycelial growth patterns. They're also well-known for producing an array of antibiotics (hence the lack of other growth near that colony). I used to take LB plates home for my daughter and she'd find all sorts of things (leaves, rocks, twigs) and make prints with them. TSA gives a much more colorful display! Very cool!
  12. The large blob on the lower right is more than likely a Bacillus, see cloes up image: http://www.microbeworld.org/component/jlibrary/?view=article&id=13869 Looks like it out grew everything around it and that is also an area on the plate( the palm) that may not have gotten the contact because of the conture of the hand.
  13. I didn't realize Tasha had answered this question previously, oops! If the OP has seen it under a scope, I'd take their word for it first :)
  14. Sarah, I just answered a min ago.....I have been getting blitzed by the media and have spent several hrs this morning answering questions or responding to emails. Believe it or not that is not a scope image rather taken with a macro lens.
  15. I'm working on a food safety video for students in the Kansas State University Department of Hospitality Management and Dietetics. I would like permission to use your photo as a dramatic way to impress students going into the food service industry, the necessity of hand washing in all phases of food handling and meal preparation. This is a non-commercial educational video. I'm happy to answer additional questions! Ron Frank, Emeritus Professor, Kansas State University Department of Communications rfrank@ksu.edu
  16. quoted....not quotes.....
  17. This is super cool. Thanks for the step-by-step. I am going to find someone with lab access so i can play this game with my kids... (12 &14 this summer).
  18. Tasha, My name is Kristine Vester and I am an educator at the MathScience Innovation Center in Richmond, VA. We write different STEM lessons and presentations for the Central Richmond Area grades K-12. I would love to use your image in a couple of our activities, posting it online for teacher use. Could I get your permission to post your picture online for our teachers to use? Thanks so much.
  19. Love this! For us trying to do this at home, is it necessary to use an autoclave to sterilize the TSA (240 deg F with pressurized steam)? Would a home oven at 240 deg F without the steam be sufficient? Thanks for posting this. By the response you've had you can tell that lots of us think this is the coolest thing!
  20. Thanks! In a pinch when our autoclave is down I have boiled the media for about 15-20 min kind of like home canning....just be careful because it will boil over! If you have a bottle that will withstand the boiling then use that and sterilize the lid with bleach and let that dry. Once you have boiled the media put the lid on, loosely, and let it cool until you can hold it in you hand comfortably, then pour. Try to pour the plates in a room without and lot of airflow so you don't get to many contaminants. I must caution that once you grow anything on the plates to consider that plate a Biohazard and make sure it is disposed of properly. Contact your local College, Dr, Vet, Dentist, etc and see if they can dispose of it for you. And never open the plate once things have grown. Tape the lid shut so there are no accidents. You can also put it in a ziplock and zipper it shut.
  21. I'm thinking about replicating this with one or two pre-sterilized Mueller-Hinton agar and use MALDI to try and identify some of them.
  22. Tasha, I am a nursing student at the University of Iowa working on a project for the Des Moines County Public Health Department. May I use the image for a display board and brochure that I'm creating for hand hygiene? Thank you.
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