Is there any analyzing software or sizing software for mechanical seal?

I wonder if there would be a software Specialized for analyzing or sizing mechanical seals excluding ANSYS , Fluent or COMSOL.

07 August 2017 5,724 1 View

A Problem in PCR?

Hi there, In my experiment I need to do PCR with below DNA and Primers, I also use RT-PCR.But I don't know why it cant be amplified. The other information is available in the attached...

09 October 2016 9,021 14 View

Is there an effective way to confirm ligation ?

Hi there,In my experiment I need to ligate 3 ssDNA, 80bp (S123) with help of 2 other ssDNA 80 bp as bridge (NS12).this assembly uses single-stranded bridging oligos complementary to the ends of...

09 October 2016 4,533 10 View

Is there any way to confirm ligation and hybridization?

07 August 2016 7,205 2 View

Is there anyway to remove DTT from recombination protein preparation with high efficiency and within an hour?

07 August 2016 1,736 4 View

Is PAGE required for normal PCR?

Hi there~ In my experiment below steps are required and five fragments has been designated, to order this oligos I select the normal desalting purification but the company recommended me to add...

05 June 2016 950 2 View

What is the low cost and easy way to label protein (T4 DNA Ligase) with RhodamineB?

In my research it is required to label T4 DNA Ligase with Rhodamine B, is there anyone who recommend a low cost protocol for labeling.

01 February 2016 5,632 0 View

What is the electrophoretic mobility of ATP and DTT?

What is the electrophoretic mobility of ATP and DTT?

01 February 2016 6,745 2 View

No title

01 February 2016 8,989 3 View

Why does the center of polymer not cure well during polymerization?

I would like to apprecieate your comments, i updated this post with more details In this work i have to do local polymerization in a micro channel the heigth of micro channel is 12um and the size...

31 December 2015 3,306 5 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