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Previous by Date: Subject: Re: [DCHAS-L] ether for anesthetizing fruit flies Date: Tuesday, February 4, 2020 at 9:22:39 PM Author: Monona Rossol <0000030664c37427-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU> |
Next by Date: Subject: Re: [DCHAS-L] ether for anesthetizing fruit flies Date: Tue, 4 Feb 2020 22:41:15 -0500 Author: Margaret Rakas |
Why bother with chemicals when you can simply purchase a Gilligrass Patent Fly-Trap?
Diagram here: http://roundthearchives.blogspot.com/2018/09/charlie-and-great-glass-elevator.html""There you are!" said the President, holding up the paper. "This is the Gilligrass Patent Fly-Trap!" They all crowded round to look."The fly climbs up the ladder on the left," said the President. "He walks along the plank. He stops. He sniffs. He smells something good. He peers over the edge and sees the sugar-lump. "Ah-ha!" he cries. "Sugar!" He is just about to climb down the string to reach it when he sees the basin of water below. "Ho-ho!" he says. "It"s a trap! They want me to fall in!" So he walks on, thinking what a clever fly he is. But as you see, I have left out one of the rungs in the ladder he goes down by, so he falls and breaks his neck.""Tremendous, Mr President!" they all exclaimed. "Fantastic! A stroke of genius!" "I wish to order one hundred thousand for the Army immediately," said the Chief of the Army."
Rob Toreki
On Feb 4, 2020, at 9:22 PM, Monona Rossol <0000030664c37427-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU> wrote:oooow. How interesting. The natural history museums also commonly use inert gases or chemicals that are oxygen scavengers for killing critters in containers.--- For more information about the DCHAS-L e-mail list, contact the Divisional membership chair at membership**At_Symbol_Here**dchas.org Follow us on Twitter **At_Symbol_Here**acsdchasHowever, we recently posed the issue of these practices to the EPA pest people, and found that as soon as you intend to kill a critter, you need to be using a pesticide registered for the purpose. So I suggest you use one of the products mentioned on this thread registered for the purpose.It's not a good practice to teach students to break the law, however small the offence.Monona-----Original Message-----
From: Jeff <jtenney46**At_Symbol_Here**ATT.NET>
To: DCHAS-L <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Sent: Tue, Feb 4, 2020 9:09 pm
Subject: Re: [DCHAS-L] ether for anesthetizing fruit fliesFinn Scientific has a Carbon Dioxide Drosophila Anesthetizer.. Uses an alka-seltzer tablet.From: Ellen M. Sweet
Sent: Tuesday, February 4, 2020 6:07 PM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: [DCHAS-L] ether for anesthetizing fruit fliesHi everyone,We are looking to renovate a Genetics teaching lab that has the students using ethyl ether to put fruit flies asleep. This is a common method of doing this, put certainly has its drawbacks when you consider the ventilation strategy (ether vapor is very heavy).I'm wondering if anyone has been successful in having 12-14 student stations using this chemical in a teaching setting (on the bench) and keeping the exposures and smell down? Keeping in mind that fruit flies will get sucked up into local exhaust if they are too close!-In addition to floor level exhaust diffusers, what else would you recommend and how many air exchanges for the room?Thanks!EllenP.S. I'm pushing for CO2, but may not get what I want.Ellen SweetLaboratory Ventilation SpecialistDepartment of Environmental Health and Safety, Cornell UniversityAmerican Chemical Society, Division of Chemical Health and Safety315-730-8896--- For more information about the DCHAS-L e-mail list, contact the Divisional membership chair at membership**At_Symbol_Here**dchas.org Follow us on Twitter **At_Symbol_Here**acsdchas--- For more information about the DCHAS-L e-mail list, contact the Divisional membership chair at membership**At_Symbol_Here**dchas.org Follow us on Twitter **At_Symbol_Here**acsdchas
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