Do you need to acidify your samples prior to desalting with C18?

I am wondering how important pH is here. I have a sample tryptic sample in 50mM TEAB, wondering if I need to add in TFA to ~2% before desalting. I understand the need to acidify samples with ion...

18 October 2020 6,639 3 View

I'm looking for ways of analysing discoure complition tasks and ways of devising them, any suggestions?

I am an MA student working on pragmatics, specifically DCTs (discourse completion tasks). do you happen to know any books or articles on how to write and analyze DCTs? or is there any source for...

28 July 2020 5,136 2 View

Do you know any solvents to remove insects from the sticky traps?

We have been using thinner to remove the insect specimens from sticky traps. However, we would like to use other solvents with no toxic effects.

15 March 2020 6,789 12 View

Does anybody have an Android ".csv" Malware Data-set?

17 December 2019 761 3 View

Probelm with expressing hetrologous proteins using Pichia pastoris?

07 December 2019 7,502 6 View

How to calculate flat membrane pore size distribution using membrane DI flux?

Almost all membrane pore characterizing techniques cannot be used due to the mechanical instability of the flat membrane. I want to use deionized water flux (DI) and mathematical way to determine...

04 December 2019 3,850 2 View

Which part of polypeptide is susceptible for reaction?

A given polypeptide protein has side chains and terminal (N- and C-). For any modification or conjugation reaction which part involved in reactions (side chains or terminals). Thank you !!

17 October 2019 575 2 View

For many days enzyme expriment, fresh medium of enzyme need to be replaced regularly. At what time interval the medium should be replaced ?

For many days enzyme experiment, fresh medium of enzyme need to be replaced regularly. At what time interval the medium should be replaced by new to keep activity of enzymes?

01 September 2019 7,619 4 View

I run GSSHA model in WMS software but the result was not reasonable what is the problem?

i do it with 32 mm precipitation

05 August 2019 8,187 2 View

Hi, i want to work in targeted cpp-mediated delivery of pDNA. but i do not know if DNA can stably reach to nucleus?

i want to design a cell penetration peptide for delivery of pDNA. that this platform targeted with a tumor targeting peptid

24 April 2019 6,763 2 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View

Helix antenna coupling problem?

Dealing with a helix antenna, made with flexible material and not rigid like using a PCB board or wire. At the beginning of the helix is too close to the ground plane, causing coupling. How can I...

21 February 2021 4,453 3 View

Did any urologists have experienced with retroperitonel leiomyosarcoma from renal vein with IVC enxtension?

Recently, we got one lady with right side retroperitoneal mass involving renal vein and extends into IVC upto diaphragm. CT suggested leiomyosarcoma. Right kidney separately seen from mass and it...

19 February 2021 6,873 1 View

Can explain this diagram to me, is this the average consumption curve for one day or the total consumption of days in a month summed up in specific?

The hourly load curves of the selected household in each season are shown in Fig. 28. Figure 28 shows the demand for electricity in four months on an hourly basis. Can you explain this diagram to...

08 February 2021 657 16 View

Is there a test network to analyze the hydrothermal dispatch of electrical energy?

Hello, I am developing my degree work on the coordination of hydraulic and thermal units in an energy network and I was wondering if there is any test network with which I can evaluate or compare...

03 February 2021 1,587 3 View

Design parameters of L1 frequency Helix antenna?

Could I please get the guidance on Helix antenna operated from 1.5 - 1.8 GHz. I am designing in hfss and not able to cover 1.5 GHz. Could I get papers or suggestions on numbers I use to cover this...

02 February 2021 622 7 View

Can anyone help with a Matlab code for FEM of a FGM plate with piezoelectric patch?

Dear all Please I need a code of finite element element FGM plate with piezoelectric patch using matlab

26 January 2021 0 0 View