Sealing Tape for Petri Dishes?
WS
just have bought sealing tape for petri dishes at 35 euros per 33m
roll. After unpacking, I realized that someone must earn a fortune by
buying some cheap stuff in bulk and removing the label on the
cardboard roll to prevent finding the real source.
Any idea what I might try next time?
Thanks for your help!
Wo
Yoram Gerchman
I have not tried it myself but 3M Micropore Tape seem likely to work. You can it
cheap on e-bay.
Yoram
>
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> Date: Thu, 26 Aug 2010 04:54:13 -0700 (PDT)
> From: WS <novalid...@nurfuerspam.de>
> Subject: Sealing Tape for Petri Dishes?
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Tom Knight
> just have bought sealing tape for petri dishes at 35 euros per 33m
> roll. After unpacking, I realized that someone must earn a fortune by
> buying some cheap stuff in bulk and removing the label on the
> cardboard roll to prevent finding the real source.
150 mm x 200 mm polyethylene bags hold 100 mm petri dishes, and can be
either folded over for temporary storage, or heat sealed for more
permaneent storage. Folded bags can be reused. They are available
in 1000 bag boxes as cheap as your roll of sealing tape.
Allison
Parafilm works well. I use strips cut about about an inch wide.
Allison
Nick Theodorakis
> Dear Experts,
>
> just have bought sealing tape for petri dishes at 35 euros per 33m
> roll. After unpacking, I realized that someone must earn a fortune by
> buying some cheap stuff in bulk and removing the label on the
> cardboard roll to prevent finding the real source.
>
That reminds me of the "gel sealing tape" suppliers used to sell,
which was nothing more than 3M yellow electrical tape.
What are using the tape for? Is it for storing plates that you poured
or for keeping a plate of colonies around for awhile? If the former, I
found that just stuffing them back in the plastic sleeve they came in
to be satisfactory (they last at least as long as the antibiotic in
the medium) and if the latter, Parafilm works well, as suggested by
others.
Nick
--
Nick Theodorakis
nick_the...@hotmail.com
contact form:
http://theodorakis.net/contact.html
Jayakumar, R
Best of luck
Jay
-----Original Message-----
From: methods...@oat.bio.indiana.edu [mailto:methods...@oat.bio.indiana.edu] On Behalf Of WS
Sent: Thursday, August 26, 2010 7:54 AM
To: met...@magpie.bio.indiana.edu
Subject: Sealing Tape for Petri Dishes?
Dear Experts,
Thanks for your help!
Wo
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WS
many thanks for your quick and numerous replies! I am familiar with
parafilm for storing bacterial plates, but for a product that is to be
commercialized, it does not look "noble" enough and, more important,
it requires a lot of effort to prepare all the strips for large
numbers of dishes and to wrap them firmly around them. I used to pack
agar plates back into the plastic bags where they were shipped in for
storage in the cold room; that's quite fine, too, as long as you don't
try to ship the plates in them around the world. For these reasons we
have chosen the sealing tape. But as we don't like to pass the costs
for overpriced raw materials to our customers, I am looking for a
cheaper tape solution. Electrical tape is probably the best option, as
the seal needs to be of a distinct color.
best,
Wo
Michael Sullivan
you are talking about and what the application is. For plant tissue
culture, we use 3M micropore tape (a sort of porous cloth tape),
which when sold to be used in tissue culture can be quite expensive.
I buy it from an on-line medical supply company for just over $1 per
1" by 10 yard roll (2.5 cm X 9.2 m). Also, we find we can reuse the
tape several times. Not sure if this is the type of product you are
talking about, but I hope it helps.
Mike
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---
Michael L. Sullivan
Plant Research Molecular Geneticist
US Dairy Forage Research Center
ARS-USDA
1925 Linden Drive West
Madison, WI 53706
(608) 890-0046 (Phone)
(608) 890-0076 (FAX)
Prasad Senadheera
=================================
---------- Original Message -----------
From: "Jayakumar, R" <R.Jay...@roswellpark.org>
To: "'WS'" <novalid...@nurfuerspam.de>, "met...@magpie.bio.indiana.edu" <met...@magpie.bio.indiana.edu>
Sent: Fri, 27 Aug 2010 14:36:46 -0400
Subject: RE: Sealing Tape for Petri Dishes?
> Parafilm works best. You have to check out with a microbiologist and he will show you how to use the parafilm to seal plates. You will love it once you know how to do it correctly. The half an inch to 1 inch width cutouts should be held against the edge of the plate with left thumb and then using the right hand strech the tape as you paste it around the plate edge. The tape will stick and seal the plate very effectively.
> Best of luck
> Jay
>
> -----Original Message-----
> From: methods...@oat.bio.indiana.edu [mailto:methods...@oat.bio.indiana.edu] On Behalf Of WS
> Sent: Thursday, August 26, 2010 7:54 AM
> To: met...@magpie.bio.indiana.edu
> Subject: Sealing Tape for Petri Dishes?
>
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------- End of Original Message -------
Pow Joshi
ah, I see why you need it now.... for example I found this site
http://www.electrotape.com/index-order-info.html; but then cannot figure out
if they would have the correct width for the petri dishes .... will see if I
can find any other, that may have a cheaper product on this side of the
pond, even after import duty stuff....
Pow
Cathal Garvey
and some agar constituent to remote oxygen? Just a thought I had reading
through this. Some highly O2 sensitive cultures might be too sensitive to
survive even brief exposure, but for others it might be a handy timesaver.
---
Twitter: @onetruecathal
Sent from my beloved Android phone.
On 28 Aug 2010 17:38, "Pow Joshi" <pow....@gmail.com> wrote:
On 27 August 2010 15:21, WS <novalid...@nurfuerspam.de> wrote:
> Dear colleagues,
>
> many than...
ah, I see why you need it now.... for example I found this site
http://www.electrotape.com/index-order-info.html; but then cannot figure out
if they would have the correct width for the petri dishes .... will see if I
can find any other, that may have a cheaper product on this side of the
pond, even after import duty stuff....
Pow
>
>
>
> _______________________________________________
> Methods mailing list
> Met...@net.bio.ne...
WS
when you buy food, specially snacks, in Asia, you'll find a small
pouch in the container that contains an oxygen absorber. I never have
seen them in Europe yet, however. Anyway, fixing on e of them in the
lid might be useful in anaerobic culture. The agar itself shouldn't
contain too much oxygen anymore, as it has been boiled before.
/Wo