Which one I should choose in Abaqus ?

Hello, plese give me your idea! I simulate one slab concrete affected by temperature at top and bottom surfaces. after that, have a static load distribution with small area put on top surface. I...

12 January 2021 5,769 4 View

No title

Hi there! I'm very new to r and trying to run a multi-level meta analysis using pre-calculated effect sizes. I've attached the datafile below. The script I used as a first step to fit the model...

12 January 2021 8,214 2 View

How to solve Abaqus, Socket error: [Errno 10061] No connection could be made because the target machine actively refused it?

Dear Everyone, After submitting the job in Abaqus software and waiting 24 hours for running. The Abaqus automatically exited with a report that "Abaqus/Analysis exited with errors Socket...

19 December 2020 6,336 3 View

How to purify a recombinant protein from Ecoli to reach a cell culture purpose?

05 October 2020 502 7 View

Washing dye off gel filtration column?

Hi all, I was wondering what is the best way to get rid of the organic dye off my mini-gelfiltration column. I washed my column with excess 20X H2O and the dye still seem to be there....

17 September 2020 9,905 2 View

Can hypoxic air (1% O2, 5% CO2, 94% N2) buyed from the market?

I need hypoxic air (1% O2, 5% CO2, 94% N2) for hypoxia experiments, can I get/buy some hypoxic air from the market?

14 July 2020 5,471 2 View

What kind of measurements can be used to determine the composition of a composite blanket material ?

Hi everyone, I am looking for a useful analysis method or a combination of methods to identify the major chemical compounds inside a matrix fibrous blanket which is a composite of fibers,...

28 May 2020 2,925 4 View

The Likert scale is from 1 to 5. What is the meaning of 1? What is the meaning of 5? What is the meaning of the mean score 3.37/ 5.0?

I am studying Data Analysis online with my university teacher. May teacher asked me those questions. But I could not answer the most reasonably. Please help me.

09 May 2020 3,629 3 View

ACE Inhibition Assay?

1) I am curious on what solution should I used to dilute the ACE enzyme to respected concentration? is it the same regardless of what solution? or the activity will be differ accordingly to the...

24 February 2020 9,530 2 View

How to improve the thorn resistance of textiles?

Unlike body armor, the body armor faces a smaller area of knife tip. Although the energy is small, some body armor does not prevent the knife from penetrating.Moreover, if the use of composite...

24 November 2019 928 4 View

Can I polymerize NIPPAm with PEGmethacrylate or only with PEGacrylate?

I want to perform the synthesis of a hydrogel and I want to know if I can polymerize NIPPAm with PEGmethacrylate or only with PEGacrylate?

02 February 2021 2,106 6 View

How can solve/disperse silicon nanoparticles in water?

I want to add silicon nanoparticles to my hydrogel, but when I sonicated these particles with water to disperse them in water, they agglomerated on the water's surface. How can I disperse them in...

26 January 2021 213 4 View

What is better to buy a real-time pcr machine or an endpoint?

Hello everyone, we are acquiring a new molecular biology laboratory with the fundamental objective of identifying species of microalgae and cyanobacteria. Perhaps you could help us decide if it is...

24 January 2021 8,320 4 View

Anyone know how to dilute strong hydrogel structure?

I am working on PVA-GMA hydrogel that is a really strong polymeric structure like rubber. Because I am in the middle of analysis, it is difficult to dissolve the gel using a common solvent. I...

20 January 2021 3,501 2 View

How can I stain 3d printed cells in hydrogel without damaging the gel?

I tried staining my cells in a gel using standard protocols with 4PF% for fixation and triton-X or saponin for permeabilization but the gel always gets damaged throughout the steps, and at the end...

17 January 2021 4,170 1 View

Why Selenium nanoparticles synthesized by PEG 200 could not be scaled up ?

I could not synthesize Selenium nanoparticles by PEG 200 at up-scale ( more than 100 ml) as it got aggregated while at small amounts it works fine , I work with 850 PPM using selenium powder in...

08 January 2021 10,049 1 View

Does soft algniate hydrogel influence calcium concentration of a solution (cell culture medium)?

05 January 2021 6,066 4 View

After cellulose is regenerated in water, a cellulose hydrogel is formed. I want to know if there is crystallinity inside the the hydrogel?

After cellulose is dissolved and regenerated in water, a regenerated cellulose hydrogel is formed. I want to know if there is crystallinity inside the hydrogel, or it will not crystallize until it...

04 January 2021 7,466 4 View

When measuring the resistance of hydrogel, how to solve the data instability?

When I was measuring the hydrogel resistance, I found that the data was not very stable because of the wire or the DIRECT current

02 January 2021 3,205 2 View

Are hydrogels really important for food processing sector ?

Dear all, I am just reading about a new trend in food sector i.e. developing hydrogels. Literature showed uses of hydrogels in food packaging and bioactive molecule delivery or their carrier in...

27 December 2020 4,392 6 View