How to evaluate Slonczewski Spin-transfer torque parameters (Lambda and epsilon prime)?

1. On what factors Slonczewski Spin-transfer torque parameters (Lambda and epsilon prime) depend for a multi-layer system? and how to evaluate them? 2. Is there any way to evaluate these...

26 December 2019 7,777 1 View

How piezo materials deformation is dependent on applying excitation(voltage) frequency?

I am simulating a model in COMSOL Multiphysics. On top of the Piezoelectric beam, a layer of PDMS is there. I need to Vibrate the PDMS layer, by vibrating Piezoelectric beam by applying...

08 June 2017 3,128 5 View

How can I suspend a Rectangular solid using springs in COMSOL Multiphysics?

As my design needs to and fro motion, I need to suspend a rectangular solid. The solid placed should not move up and down, as it disturbs my device working. How can I design it, please help me out?

22 November 2016 7,040 1 View

Is it possible to renature any protein after denaturing by removing the denaturing agent?

Read 6 answers by scientists to the question asked by Sateesh Pasumarhti on May 27, 2016

26 May 2016 5,897 5 View

How might I calculate mean, median and hazards ratio using SPSS Software when a particular genotype is absent in controls, but not in cases?

We are analyzing genotypes to compare their association with a given disease (Risk and other disease phenotypes). In some cases where a particular genotype is present in the cases but totally...

21 July 2015 2,525 1 View

What is the relation between protons attached to a prochiral center

I want to know the relationship between the protons attached to a prochiral centers (see attachment as example).

27 December 2014 5,753 11 View

Can anybody help me to explain the HLA-typing nomenclature? How are the Field 1 numbers after the separator given?

12 November 2014 3,276 3 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

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03 March 2021 5,360 2 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View