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Questions related to Laboratory Techniques
I need these equipments for my unit and I want to choose a good one that at least will work 10 years. also the price of them is important and is better not to be so expensive. thank you
07 July 2017 10,022 1 View
I heated HDPE geomembrane in xylene at 130 degree C with stir bars in the vials. On cooling down, some of the melted HDPE remained stuck on the stir bars. Instead of buying new stir bars, I want...
07 July 2017 8,119 2 View
Hi, I sterelized eppendorf tubes for RNA extraction samples by placing them in beaker covered with Aluminum foil and autoclave for 15 minute at 121°C. Still there is little drops of water in the...
07 July 2017 710 6 View
I am trying to do LCMS to measure creatinine in urine. All the literature says to store the NIST and samples in glass vials. I am wondering why this is and if it is okay to use a plastic plate.
26 June 2017 7,288 2 View
I am planning a fieldwork where we'll be taking sediment samples of up to 100 g in weight for leaf wax isotope and GDGT analysis, which will have to be shipped afterwards. So I am looking for the...
06 June 2017 6,179 0 View
06 June 2017 7,025 2 View
Looking to make solutions of Amplex red for a benchtop assay using lactate oxidase and HRP. I am new to bench top work and wondering if I can make stock solutions in DMSO, and store them wrapped...
06 June 2017 5,256 2 View
When I pour DMSO at room temperature into a Teflon dish and immediately put it in a freezer at -20 degrees C, it freezes fine. However, when I pour DMSO at 90 degrees C and similarly pour it into...
23 May 2017 6,419 8 View
Hi We recently started doing some ELISAs to look for levels of this protein, but are finding that reconstitution in water (as instructed by manufacturer) probably didn't completely solubilise the...
10 May 2017 8,053 1 View
05 May 2017 4,913 5 View
05 May 2017 704 1 View
how the information ([light, smell, motor] data) comes to be stored on the DNA in the neuron ?
27 April 2017 2,987 3 View
Some DMSO (dimethyl sulfoxide) was spilled on the plastic part of our thermal cycler and when a cycle was ran, it corroded the plastic from the lid to that of the base of the instrument such that...
10 April 2017 3,429 4 View
04 April 2017 2,968 3 View
For our cell culture, we have previously used 20% human albumin solution in the media, however on trying to purchase another bottle, all suppliers will only allow purchase by healthcare providers....
04 April 2017 9,008 1 View
I need ultramicrotome for sample preparation for TEM. What is the market price of relatievely good one? Or the cheapest - medium - most expansive?
04 April 2017 8,558 1 View
I am looking to reuse disposable the chamber slides. I don't know if anyone else does this, and if so, how do they clean and dry the slides.
04 April 2017 7,838 2 View
It happened to our lab that when we measured the sample with multi-racks, the coulter can not automatically finish them all, and will pause after reading one single rack, so probably we do not...
04 April 2017 7,545 0 View
The bottle with connection port on the top and hose pipe is sterilized in autoclave. Hence the filter is needed to prevent vaccum and allow passage of steril air
04 April 2017 834 0 View
04 April 2017 7,543 5 View
The tube has net been opened yet.
04 April 2017 4,540 1 View
03 April 2017 3,894 1 View
Greetings! I want to know about glass petri dish.. I used plastic petri dish at baking step of microarray, but it was distorted... so I want to use glass dish. But, is it Okay I reuse that dishes?...
22 March 2017 5,567 1 View
Our biochemistry lab received a dishwasher from an agriculture lab. We were wondering if there are any recommendations on how to clean the dishwasher before we use it ourselves.I'm assuming we...
16 March 2017 3,303 1 View