Purified protein requires Calcium for activation, but the elution buffer I used seems to interact with Calcium, help?

09 February 2021 6,946 4 View

Can someone explain blocking vs. nonblocking electrodes in terms of electrochemical impedance spectroscopy?

I have fabricated thin films and want to measure the impedance parallel to the material. I suspect the films are conducting protons and electrons based on some Hall effect measurements I have...

27 January 2021 1,712 5 View

Isoabsorbance and 3D Plots are missing under the "Spectra" toolbar of Agilent Chemstation 1200 series software. How can I retrieve it please?

The Problem started after replacing the HPLC Pump from Quaternary to Isocratic pump due to pump failure. The configuration was set as the previous set up as Modular 3D LC System and the license...

11 October 2020 8,018 3 View

I am using a rat TNFa ELISA to measure TNFa in culturing media. How soon following my alcohol treatment should I collect and measure TNFa?

I am using an organotypic hippocampal slice culture where we are exposing our slices to alcohol with subsequent alcohol withdrawal. I want to make sure I am capturing the right time to assess...

16 September 2020 7,020 2 View

When is simulation necessary in copula modeling?

When modeling dependencies using copulas, when is simulation necessary? Kindly need expert advice on this.

08 June 2020 7,166 3 View

Has anyone using organotypic hippocampal slice culture models observed holes in their tissue specimens between 6-12 days in vitro?

Our lab has noticed that after several tissue preparations for organotypic hippocampal slice cultures, some of our tissue is developing what appears to be large holes between the CA1 and dentate...

03 March 2020 3,981 3 View

How do I graph RT-PCR amplification values?

I have conducted an experiment to investigate the up-regulation and down-regulation of immune related genes. I have calculated the PCR efficiency and used the pfaffl method to get amplification...

22 October 2019 1,231 1 View

Is Learning Analytics under Data Mining?

In what ways EDM and LA differ and does LA under Data Mining and does it use the same techniques from Data Mining?

30 April 2019 8,370 1 View

No title

13 December 2017 8,042 3 View

Which file produces the sub-population diagram when running 'Structure software?' I am assuming the "Q matrix" file?

Which file produces the sub-population when running 'Structure software?' I am assuming the "Q matrix" file. Could someone familiar confirm?

29 August 2017 827 1 View

What is the best surface to culture cells isolated from a skin biopsy?

Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...

26 February 2021 6,151 2 View

How to get the heading of real-time credit card dataset ?

I am working with the Credit card dataset. I am aware of the fact that the Banks and financial institutions do not share the dataset with third-party companies or researchers. I just need to know...

18 February 2021 9,186 3 View

How long can you store Matrigel-coated Transwell inserts?

Hi, everyone! I was planning to do an invasion assay today and thus coated my inserts yesterday, but unfortunately, due to certain circumstances, I cannot proceed. The next time that I can do the...

09 February 2021 8,771 3 View

Meniscus formation matrigel?

Hey guys, I am currently doing tube formation assay on matrigel coated coverslips, and i wonder if there is any possibility to get rid of the meniscus formation? I have only a small part of the...

09 February 2021 6,979 3 View

Can we help fellow mathematicians get free ?

https://terrytao.wordpress.com/2021/02/08/a-statement-from-mathematics-department-faculty-at-stanford-and-mit/ Terry Tao blogged about this unfortunate event. Kindly share among Mathematical...

08 February 2021 1,055 3 View

Endothelial Functional Assays & Conditions?

Hi everyone, I would greatly appreciate it if someone can shed light on certain endothelial functional assays and their conditions. I often notice that protocols are run with serum-free media, or...

05 February 2021 7,276 1 View

Freeze/Thaw of LS174t cells?

Hello World, I have been working with LS174t. Complete Growth Media- 10% FBS/EMEM. ATCC says to freeze with 5% DMSO/CGM. when I defrost my vials, they are not attaching to flask. vials put into...

01 February 2021 8,723 2 View

Spontaneous metastasis of nsg mice reason for early metastasis?

Hello. I have injected breast cancer cells with matrigel in 4th inguinal mammary fat pad of nsg mice. i was not expecting the cells to metastasize before 2 weeks but when I imaged them on day...

31 January 2021 2,817 2 View

Can I use video interview excerpts from others in public domain (YouTube, Vimeo, etc) for my empirical analysis?

Dear community, I am currently writing my master's dissertation. As a part of the method, I have to include views (interview) of experts for the empirical analysis. The problem is I have not...

31 January 2021 3,438 3 View

Is aligning mitochondrial and nuclear sequences inconsequential?

Probably a silly question but I am a complete novice in molecular biology. I have decided to attempt a phylogenetic analysis. I have managed to create a phylogenetic tree but want to confirm...

19 January 2021 5,895 2 View