Why the battery connected on the load side for storing purpose is taking the volatge /current at whatever rating it is given in matlab simulation?

I am designing a DAB DC DC Converter and when I am connecting a battery block in Matlab and fix its specification lets say 350 V and 25 A, when I am giving input as 600V, Battery would charge to...

11 February 2021 3,110 1 View

How do I connect DAB DC DC Converter to a battery in matlab simulation ?

I am trying to model a DAB converter and I need to observe the power transfeered to the load side on varying the phase shift between two bridges, hence I couldnt take a constant load e.g...

09 February 2021 6,489 3 View

Stably transfected A549 cells are getting washed off during a plate based assay?

HI, I have transfected A549 cells with a plasmid of interest. The transfectants have been stably selected and clonally separated. I am doing a plate based fluorescence assay with the transfectants...

20 December 2020 1,222 4 View

Does the number of the response categories (points of the Likert scale) affects the reliability of the scale?

Does the number of the response categories (points of the Likert scale) affects the reliability of the scale. Actually, i think that when we use 5 point Likert scale (strongly agree, agree,...

15 March 2019 661 3 View

Does addition of polypyrrole into epoxy resin decreases its brittleness?

when i have added polypyrrole into epoxy resin, it increased the elongation at break. I think the reason behind this behavior is the brittleness decrement of epoxy. Please help by discussing on...

15 August 2018 204 3 View

What is the reason behind higher elongation and lower modulus after the inclusion of reduced graphene oxide within the epoxy resin?

I have incorporated five wt% of rGO filler within the DGEBA resin and all composition except one have higher modulus and lower elongation. But that 30 wt% composition has opposite characteristics.

18 June 2018 1,217 3 View

I am always getting a high ppm error in the LCMS run samples ?

Ours is a SCIEX 5600 Qtof machine. We are standardizing the methods. We are always getting very high ppm error and therefore no matching in library. I have attached my data file for reference. I...

26 February 2018 5,009 7 View

Should the equilibrium adsorption capacity (qe) and maximum adsorption capacity (qm) be same for a particular material ?

Also, what is the difference between qe and qt ?

28 March 2016 3,522 1 View

What is the best accepted statistical formula to calculate inter-coder reliability in a content analysis study?

21 March 2016 6,678 6 View

Are there any specific guidelines to write the theoretical framework of a research study?

I want to know if there are any good studies or references to write the theoretical framework. Thank you

15 February 2016 3,170 8 View

Buffer to disrupt platelet alpha granules for PF4 quantification?

Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...

03 March 2021 1,499 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

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

Why are my bands weird in this Agarose gel?

Can someone please give me some possible things that could go wrong? Here is my recipe: 0.5g Agarose 50 mL of TAE 1x 1 uL ethyl bromide. Gel was run at 100V for 1 hour. The buffer used is also TAE.

01 March 2021 9,952 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

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

What is the most suitable resuspension buffer for TCA/acetone precipitated protein?

I need to extract protein from fermented carbon sources for Bradford assay. Most researchers experiencing insolubility of pellet in resuspension buffer. Please assist me to select most suitable...

26 February 2021 7,129 3 View