How T cells recognise non-peptide antigens?

This might sound very basic question, but please share with me an explanation of how the T cell is activated when the antigen is not a peptide? What happens? And what are the molecules involved in...

21 February 2021 564 3 View

What is the detection limit of ED-XRF technique for transition metals in silicon ?

Hi everybody, please, can someone tell us if the transition metals (W, Fe, Ni, etc ...) in silicon destined for solar cell manufacturing can be detected by ED-XRF technique. Note that the...

18 February 2021 6,231 4 View

How long does it take to design and validate transition state analogue inhibitors?

Hi, I'm asking from the point of view of designing a research plan: How long (approximately) can it take to determine the transition state structure of an enzyme substrate using kinetic isotope...

14 February 2021 2,610 1 View

Hyperspectral Image : open, visualize, process in Python?

I am looking for a tutorial or course to learn how to open, visualize , process hyperspectral images in .hdr , .raw format using python. Any recommendation for a tutorial is appreciated ? Thank...

08 February 2021 7,896 3 View

Frequency calculation with TDDFT???

Hi, I have been trying to calculate the frequency vibrations of the excited state S1 of an organic molecule (24 atoms). The geometry optimisation of the excited state converged smoothly howerver...

22 January 2021 1,463 3 View

How can I obtain a thin film of PDMS liquid?

I would like to prepare a thin film from of PDMS liquid. My current attempts with solvent casting, then let it dry for 24 hr at room temp. after I tried to recuperate and it doesn't work. Any...

08 October 2020 8,745 4 View

Can I use figures from my published paper without reference to the source ?

Dear researchers, Recently, my paper got published in a journal. however, i have used two figures from this published paper without reference to the source, in other paper (current statut:...

02 October 2020 2,708 5 View

Should unlimited vacations be generalized?

A few days before the start of the new school year, would you like to take a few more weeks of vacation? In some companies, this is possible thanks to unlimited vacations. Based on individual...

25 August 2020 7,621 12 View

Should I do a quality assessment for studies that will be included in a systematic review, even if I am not doing meta-analysis?

The types of studies included are case reports, case series, epidemiological studies. The information collected will probably be analyzed qualitatively only.

17 August 2020 3,628 7 View

How to interpret DSC heat flow curves?

I'm running DSC for a mixture of 2 polymers and I need help to interpret the heat flow curves

13 August 2020 2,993 4 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How relevant is Mini slump cone?

for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...

26 February 2021 3,668 1 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 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

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

What are the pros and cons for mice versus rats?

Hi Everyone, I am designing a pilot study using rodents to assess the effects of simulated space environments (radiation + altered gravity) on microbiome and immune system. I have limited...

24 February 2021 1,825 3 View

What should be the duration of exposure to simulated space environments with Rodents?

Hi, I am currently working on a pilot study to get some data related to the impact of long duration spaceflight to the microbiome and the immune system. I plan to use rats and simulate...

22 February 2021 592 1 View

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...

22 February 2021 4,240 4 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View