How can I validate the UV spectroscopy?

can I compare UV spectroscopy reading with nanodrop reading to validate the UV spectroscopy? or is there a better way to know if the UV works well or not? Note: we use it in DNA, RNA &...

12 December 2020 4,869 2 View

What's the right way to Tween 20 storage?

02 December 2020 9,955 2 View

Why Non specific bands of PCR reaction appear while using specific primers for tobamoviruses?

i have done RNA extraction and cDNA for tobamovirus then i made a PCR reaction using primer pair Tob uni1/Tob uni2 according to the protocol in Letschert et al., 2002 ( annealing temp. 60C for 45s...

09 December 2019 7,276 3 View

Help Please!! how to solve the error "too many attempts made for this increment" in abaqus?

i am applying a load of 50KN gradually on a reinforced concrete beam, i'm unloading this load using an amplitude to get the loading and unloading versus deflection graph.i have used concrete...

09 June 2017 3,129 14 View

Hello How to get a producer to dissolve cellulose fiber by carbon disulfide ?

11 April 2017 9,899 2 View

How to get the frequencies of simply supported RC beam when changing load in ABAQUS?

i have modeled the RC beam with simply supported BC and used concrete damaged plasticity model to account for the nonlinearities in concrete, i have got the frequency value for the case of beam...

01 January 2017 737 6 View

What kind of experiment help in understanding the metabolic pathway in plants?

In my proteomic results, there is change in glycolysis and TCA and i want to know that which pathway is involved in changing these major metabolic processes. For that i want to do some more...

18 September 2016 396 3 View

TrypLE Select 10X dilution?

It's mentioned in the ThermoFisher website, that TrypLE Select is inactivated by dilution. I have diluted the 10X concentration to 5X and 1X, due to the fact that some of my cell lines can't...

08 August 2016 3,835 3 View

What are the problems in teaching and learning speaking skills at undergraduate level?

I want to know the current practices and coping strategies of teaching speaking skills as well.

17 June 2016 3,467 3 View

Weak HepG2 cells?

07 May 2016 6,100 3 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

No title

03 March 2021 5,360 2 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

How can we raise the figure when we writing a paper with Latex ?

Hi, everyone. I'm a starter to write a paper by Latex. But I have some difficulty using it. I'm writing the paper with 2 columns. And, there is one figure that occupies the 2 both-sides. I want to...

26 February 2021 3,738 3 View

What pH condition required to coat APTES on silica coated Fe3O4?

It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?

26 February 2021 1,760 8 View

What is the best way to calculate the angles of twist for concrete columns subjected to torsional moment using finite element software?

In Finite element software like ANSYS , there is difficulty in obtaining direct results of twisting of concrete members because SOLID65 which is the unique element designed to represent concrete...

26 February 2021 3,806 2 View

Compute for the total volume of concrete needed for the concrete pouring of the foundation including its column up to NGL only as shown in the plan?

Looking for the quantity of cement, sand, and gravel of footings and columns. Thank you!

25 February 2021 3,092 2 View

No amplification data for qPCR on MxPro?

I have set up a qPCR run on MxPro with SYBR green and ROX as a reference, however, when I go to the analysis section the program seems to only collect data for the dissociation curves and not the...

25 February 2021 8,039 1 View

Can I use TCA instead of TFA for protein analyis in RP-HPLC?

I am trying to analyze lipase using the reverse phase-HPLC C18 column. In the literature, 0.1 % TFA was and 60% ACN was used. Can I use TCA in place of TFA? If any other methods are available to...

25 February 2021 2,388 3 View

Can I use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography?

Hi! I would want to know if I can use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography. This column has a polyethylene glycol phase, but I can't find the manual to check...

22 February 2021 730 2 View