What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

Which microtomy technique do you suggest for thin and delicate root sectioning ?And, how to preserve and process the roots before sectioning?

We have thin roots of from 1 year old different species of plants. We are looking into anatomical details of the roots. What's the best method to preserve and process the roots once they are...

23 February 2021 1,898 1 View

Has anyone done Archard Wear Simulation of GFRP Composite Plate in ANSYS with ACT extension or UDF?

I'm looking to do a sliding wear (plate-on-plate) simulation of GFRP composite plates with Archard Wear Model. Any hints or example steps are appreciated.

17 February 2021 1,447 2 View

Which root in this tap root system, in the picture attached, should be used for root sectioning in order to study the root anatomical details?

There are numerous roots in this tap root system. Kindly suggest or share a research paper where I can clarify the doubts as to which root should be chosen for sectioning and for further root...

14 February 2021 1,816 3 View

Possible problem for showing 0.2 sun intensity instead of 1 sun intensity in AAA class Newport solar simulator?

We have a AAA class Newport solar simulator. We changed the Xenon Arc Lamp recently (XBO450W, Make:OSRAM) as the lifetime got over. However, the intensity is coming to be only 0.2 sun instead of 1...

14 February 2021 9,998 3 View

How can I get access of UNAfold tool?

I am searching for tools to construct molecular beacons which shall be complementary to a given sequence. I don't want to design any primers. I found that UNAfold is one such tool which I could...

02 February 2021 9,065 5 View

The peptide synthesized with CTC resin have mass more (+68 Da) than the desired mass of the synthesized peptide. What could be the reason?

I am synthesizing 7 amino acid long peptide sequence with CTC resin, 50oC coupling for 10 min. On cleavage (TFA/TIPS/Water 95:2.5:2.5) I got peptide with good yield. However, It has 68 Da more...

30 January 2021 8,483 3 View

How do we calculate curvature value in ArcGIS?

Hello everyone, I am trying to prepare curvature map in ArcGIS 10.4, using spatial analyst tool. I am using 10 m CartoDem (projected in UTM 44N). I am getting very different value, curvature...

12 January 2021 504 4 View

How can a publish my case report?

I want to publish a case report regarding jejunal diverticula

02 January 2021 7,630 5 View

Asalam o alikum, Can anyone please help me in interpretation of XRD data?

Actually, I want to present the in table form (dcal , dexp, 2 thita, hkl) but don't know how to find these values from data.

28 December 2020 6,769 4 View

Difficulties purifying Outer Membrane Vesicles using a Sucrose Density Gradient: Unable to detect any protein after this process?

I'm currently trying to purify Outer Membrane Vesicles (OMVs) following their extraction from the bacteria I'm working with. After the initial extraction the concentration of protein seems good...

27 January 2021 6,852 3 View

How to simulate enzymatic hydrolyis of sucrose in a CSTR coupled with ultrafiltration membrane with comsol?

Dear all, I am trying to simulate the enzymatic hydrolysis of sucrose with invertase in CSTR in Comsol. The reaction pathway is such that Sucrose + Water -> Fructose + Glucose. It is desired...

27 January 2021 2,525 4 View

How to design an Ultrafiltration membrane for a CSTR?

Dear all, I am designing an Ultrafiltration (UF) membrane coupled with a CSTR. It is desired to utilized a dead end stirred reactor. The main purpose is to separate the enzyme used from the final...

27 January 2021 7,924 1 View

Using a fixed angle rotor with Sucrose gradient /cushion ultracentirfugation?

I am trying to fractionate virus from plasma into different densities by sucrose gradient but we only have fixed angle rotors... Has anyone tried doing that with a fixed angle? Should I use the...

13 January 2021 8,372 3 View

Can we use Spray dried solid lipid nanoparticles for MTT assay?

I have synthesized Quercetin SLNs and spray dried them using Mannitol to avoid drug leakage. However, I need to perform MTT (cytotoxicity). Can I use the powder directly disperse it into media and...

08 January 2021 6,783 3 View

Does anybody have the recipe for making a home made R electroporation buffer for Neon transfection systems?

I tried the recipes below in two cells lines: 1.DPBS 2.DPBS+MgCl2(1mM) 3.DPBS+Sucrose(250mM) 4.DPBS+MgCl2(1mM)+Sucrose(250mM) 5.R Buffer (Neon) the results showed that R buffer is the best one in...

06 January 2021 6,776 1 View

Why my deltaATG mRNA is in polysome fractions ?

Hello everyone, I'm doing polysome profiling to answer a specific question. I study a gene which produce an alternative transcript and it's translation is controversial (extremely lucky if you...

16 December 2020 7,622 2 View

How to overcome problems with introduction of modified DNA into C. glutamicum?

09 December 2020 7,715 5 View

Thin cut brain tissue flaking off of slides?

Hello! I have just encountered a new issue with some tissue flaking off of my slides and wondered if anyone else has experienced this or has any suggestions? The sections were cut at 18 microns...

09 December 2020 4,954 2 View

How to sterilise maize seeds in the lab?

What is the most effective protocol to sterilise maize seeds in the lab? We have tried few common procedures but with no luck (still get fungus contamination on agar plates): 1)10% sodium...

19 November 2020 602 15 View