Error with Ec lab biologic potentiostat?

Our potentiostat gives this error upon assembly of the 3 electrode system. I have tried refilling the reference electrode with saturated KCL without no bubbles, but its still gives the message. I...

17 June 2018 505 3 View

I'm trying to stain cancer cells grown on gel. I'm not sure whether I need to fix my cells with 4%PFA or ethanol before staining?

I am trying to stain #ovarian cancer cells grown on gel with ethidium bromide and calcien. I am not too sure whether to fix my cells with 4% PFA or ethanol before staining. Any suggestions will be...

06 February 2016 2,397 4 View

Why does my citrate buffer turn milky during immunohistochemistry?

For my IHC protocol, I am staining for beta-catenin in ovarian sections during antigen retrieval. My samples are heated in citrate buffer for 45 mins. I have also read that signs to show that your...

08 December 2014 1,939 3 View

Can anyone suggest how many ul of S-adenosyl-methionine (SAM) are required in optimizing restriction endonuclease digestion with PCR product?

19 May 2014 6,144 6 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View