What is a buffer solution?

What is a buffer solution, Type , how can calculate and applications?

09 December 2020 1,516 3 View

Have you a word or LaTex Elsevier template?

Hello everyone, Hope you are very well. I just wonder if there is a word or LaTex Elsevier template for these two...

06 November 2020 4,504 3 View

Does secular equilibrium is affects on the specific activity values measured using gamma detector ?

when we measure the specific activity of any sample using Gamma spectroscopy , we always keep the prepared sample in a locked marnilli beaker for one month or more to let radio nuclides in the...

11 March 2020 6,403 3 View

Does fuzzy AHP and Topsis are related to Computer Science?

My research focus on assessing an organization security culture , and really some persons advice me to use fuzzy methods , my question is that Does fuzzy AHP and Topsis are related to Computer...

20 February 2020 8,518 3 View

Is it possible to transfer electricity without wires to a specific distance, and how?

Wireless power transfer (WPT), wireless power transmission, wireless energy transmission (WET), or electromagnetic power transfer is the transmission of electrical energy without wires as a...

26 January 2019 9,373 4 View

What plants are characterized by high viscosity and large surface area and whether these plants have a high ability to absorb radon gas ?

What plants are characterized by high viscosity and large surface area and does these plants have a high ability to absorb radon gas.

13 November 2017 6,793 2 View

In composite materials, volumetric fracture is used in some calculations and weight fraction, how to choose?

27 June 2017 3,832 4 View

How measure the critical load of buckling by compression test device ?

24 June 2017 6,636 2 View

What is liquid is used in armor manufacturing ?

24 June 2017 6,941 11 View

How can I determine the effect of interaction fatigue- creep on the turbine ?

23 March 2017 770 2 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

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 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

My silica gel column dried can I somehoe save the trapped matter?

I tried to separate my substance from a protein in a sillica gel column. By mistake, it dried and cracked. Can I save the trapped substance? Can I repack it ,or at least elute all of the trapped...

22 February 2021 1,789 3 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View