Cell culture compatible glue/sealant?

Hello We are looking for a glue /sealant to fix and secure some glass parts of a live cell imaging chamber. It has to be biologically inert because it may come in contact with the medium, and...

01 February 2021 6,886 3 View

How can I separete a long equation in brackets in MathType into several lines?

Hello everyone, I have recently started using MathType and I do not have much experience with it. I have a problem with a long equation in brackets which i want to separate in several lines. I...

07 October 2020 6,234 1 View

COVID 19 have multiple causes?

I think the s.c. COVID 19 pandemic clinical manifestations (syndromas) have many different infective causes - Corona viruses (enteroviruses with many subtypes), othe viruses and bacterias! It is...

24 May 2020 5,842 5 View

Which light intensity is optimal for cultivation of Daphnia magna?

The animals I intend to use in the experiments will be cultivated in environmental chambers under various temperature regimes and illuminated with cool-white LED bulbs (which intensity will be...

19 November 2019 1,894 2 View

Psychosis are frequently extracerebral disorders?

Infectictous, metabolic, endokrinological, toxic, drug abuse, ect.

27 November 2018 3,551 7 View

How can I get Von Mises values on one surface of my model using Python and Abaqus ?

Hello, I'm trying to obtain the maximum VM stress on only one surface of my model. The model is very simple: It's a cube with an encastre BC at the bottom and a pressure at the top. I already...

10 September 2018 6,645 3 View

Generating mass/stiffness/damping matrices in Abaqus?

Dear colleagues, I am trying to generate mass/stiffness/damping matrices for a sinple single- span beam in Abaqus. Since I am new to Abaqus I have little to no experience with the program. All I...

31 March 2018 3,674 2 View

What are good ways to evaluate genetic algorithm?

01 September 2016 7,276 9 View

When I have very tangled fibers of protein structure (like spider fibers), is there a possibility of untangling the fibers using chemicals?

11 June 2015 8,726 2 View

Can you suggest me the protocol for XTT assay?

10 January 2015 7,563 4 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View

How to identify what type of fillers are in a polymer?

Hello everyone, I have some PHAs blended with fillers and nucleating agents, yet I don't know what kind of fillers or nucleating agents. The producer has shut down and there's no way to get in...

24 February 2021 1,356 8 View

How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View

How to do a surface treatment of uncoated TiO2 with polymer?

Basically, I would like to know how to treat or coat on the uncoated bare TiO2 (Ti-OH rich) surface with polymer which has anchoring groups in the polymer structure like trimethoxygroups. What is...

21 February 2021 4,657 6 View