Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

Hey guys, I'm looking for an efficient protocol to transfect patient-derived tumor cells with a high rate of transient transfection?

As you know it's quite tricky to get primary cells transfected at a relatively high rate!

31 January 2021 3,580 4 View

What would be the best option to dock a number of peptides to a protein?

I have been using PyRx to dock peptides to a protein. Initially the numbers were small so it was okay. But now I have to dock over 500 peptides and doing so manually would take forever. My...

10 January 2021 3,330 4 View

What is the effect of drought and silicon stress on soil pH and EC?

What is the effect of drought and silicon stress on soil pH and EC?

15 November 2020 3,971 5 View

How do I get the number of water molecules in a carbon nanotube?

12 September 2020 886 6 View

How can I access the Seqscape software 2.7 ?

Hi, I need Seqscape software 2.7 to analyze DNA sequences because this version supports 3500 sequencers. Please help me how can I access this version of the software? Thanks

17 August 2020 4,693 3 View

Is it possible to use an accumulator as the main supply of oil pressure instead of the pump in a power steering system?

it means the oil pump to be sometimes able to turn off during the driving cycle, and if it is possible, how efficient would it be? (more particularly in heavy vehicles like a bus).

03 April 2020 6,765 1 View

Does anyone have an Excel file on how to computer questionnaire validity by Lawshe?

When we want to measure the validity of a questionnaire, we usually measure by Lawshe formula- CVR & CVI. I want to know that if anyone has an Excel computing file for measuring the validity...

02 March 2020 6,068 1 View

The method was applied by gaussian software for calculations of BSSE

24 June 2017 7,758 3 View

What reactions is used in MTP(methanol to propylene) process?

All of the reactions in this process

15 May 2017 8,722 3 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Problem with shRNA transfection. Why are only two plates getting contaminated instead of all?

I transfected my LNCaP-WT cells with 3 shRNA plus their NTC two weeks ago and split two puromycin selected cell plates on Friday last week(Feb 26). I checked for GFP in the cells, and they all...

28 February 2021 4,949 3 View

Anyone that can help with details in phosphopeptides enrichment?

Anyone know the amount of protein before enzymatic digestion for phosphopeptides enrichment of serume sample in Ti-IMAC? Has anyone ever use Ti-IMAC(the material is from Chinese company named...

28 February 2021 7,310 3 View

Does anyone use antinuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples?

I am looking for anti-nuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples. Any suggestions highly appreciated. Thank you.

28 February 2021 6,512 3 View

Why does intensity drops as concentration increases?

Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?

28 February 2021 3,653 4 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

Why is the efficiency of viral mRNA electroporation in PBMC low?

Hello, I have been struggling with the electroporation of PBMC with HIV-I mRNA. Although the quality of the RNA generated is good, and the handling of the cells in meticulous, the frequency of...

27 February 2021 9,233 3 View

Can MicroRNA cross the blood brain barrier?

In diseased conditions, many genes and gene products are visible in the bloodstream. So my question is whether we can find traces of microRNA which is involved in disease and disorder in blood serum?

24 February 2021 7,064 3 View

What is the best concentration of cDNA to be used for qPCR?

I have synthesised cDNA from 500ng/ul of RNA. The concentration of the cDNA Is about 5000ng/ul. Should I dilute my cDNA or just use it as it is for my qPCR? I usually use 2ul of cDNA for a 20ul...

24 February 2021 8,618 3 View