How can calculate intra day and inter day precision?

How can calculate intra day and inter day precision?

31 December 2018 1,716 0 View

How can analysis partial least square by using spss software?

How can analysis partial least square by using spss software?

06 July 2018 6,223 2 View

In Flow Injection technique, why the slope of calibration curve do not pass through the zero point?

When you draw a calibration curve is always the slope is higher than the original point at its intersection with the y-axis, with the knowledge that the solution used is blank solution.and when to...

04 May 2016 4,805 3 View

Van Deemter equation?

03 April 2016 9,119 3 View

How is the choice of the analytical method of Instrumental analysis in analytical chemistry in general?

In general on what basis are chosen analytical method?

02 March 2016 7,178 9 View

Why the slope of calibration curve do not pass through the zero point?

When you draw a calibration curve is always the slope is higher than the original point at its intersection with the y-axis, with the knowledge that the solution used is blank solution.and when to...

02 March 2016 5,550 4 View

How can I reduce the amount of noise in the detector?

02 March 2016 8,516 4 View

HF behaves as a base?

HF behaves as a base in which of the following solvents? A. NH3 (l) B. H2O (l) C. CH3COOH (l) D. H2SO4 (l) E. Aqueous 0.10 M NaOH F. None of above

06 July 2015 2,173 0 View

What is the best way to write the cover letter?

What is the best way to write the cover letter for journals of Thomson Reuters?

04 May 2015 3,024 6 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

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 3 View

No title

03 March 2021 5,360 2 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

What do I do with DLS peaks that are from the buffer?

I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...

01 March 2021 9,015 2 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 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