How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How can I find a Raman spectrum wavenumber corresponding to what compound?

I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...

24 February 2021 363 3 View

Is there a suitable way to confine cell attachment area inside a multi-well plate?

Are there any types of cylindrical cell culture inserts that are designed to confine cell seeding area? Say, if I'm using a 12 well plate (3.5 cm^2/well), but only want to seed cells in the middle...

22 February 2021 7,127 4 View

NVT or NPT is preferable for gas adsorption simulation ?

Hi there, In order to perform molecule dynamic simulation on gas adsorption on substrate materials, NVT or NPT ensemble is preferable ? Thanks!

08 February 2021 173 1 View

Option "cutoff-scheme" not recognized by Gromacs 4.6.5?

Hi, I got the following error message while running parallelized simulations with OpenMP: OpenMP threads have been requested with cut-off scheme Group, but these are only supported with cut-off...

02 January 2021 4,564 5 View

Can I use gelatin to pre-coat the plate for HepG2?

I am working with HepG2 cells, and I want to pre-coat my flask/plate to keep the cells in single layer. Can I use gelatin to coat the dish or I need to use collagen? I was wondering if any of you...

15 December 2020 5,599 3 View

Did anyone do microglia Oil Red O staining?

I need to stain adiposome in microglia, but I don't know how to confirm that are really success? method : Removed media and washed cells with PBS, then added 4 % paraformaldehyde for 20 minutes at...

24 November 2020 2,359 2 View

How to calculate UTCI using ERA5 dataset?

17 November 2020 2,127 3 View

Could anyone professional help me to solve this problem?

I have installed the software BRUKER Flexanalysis 3.4 on my computer successfully. But when I tried to import the MS data produced by BRUKER MALDI-TOF-MS, I met with an error described in the...

10 November 2020 8,205 1 View

Can I get exosomes from cryopreserved whole blood supplemented with concentration of DMSO (10%)?

I read many papers about exosome isolation from fresh blood or frozen plasma, but not for frozen whole blood. I am wondering whether can I get exosomes from cryopreserved whole blood? One of my...

26 October 2020 5,166 3 View

Where can I get these scientific reports?

Friend, can I ask you a question? Please, can you help me with the search for these pdf files that are scientific publications made in China? 1. Fengxing, Z., Zhizhen, G., Peiheng, C., Jinhua, M.,...

02 February 2021 6,261 5 View

Participation in questionnaire for PhD Thesis, any English, Chinese or Spanish speakers?

Hello! I am looking for Spanish, English and Chinese native speakers to participate in my final survey for my PhD thesis. https://claudiomastrangelo4.wixsite.com/phdlinguist1/research This is...

01 February 2021 4,177 10 View

How to calculate enzyme's energy of activation without rate constant (+excel)?

I want to calculate an enzyme's energy of activation, but I don't have the enzyme's molecular weight to calculate the rate constant or the pre-exponential factor A. This is part of an assignement...

25 December 2020 8,738 3 View

Confusion on selecting chinese option. Could you help me out?

For 1st question, I am pursuing a Ph.D. program and have completed a Master's degree as the highest degree. For 2nd question, I can listen, speak, and write the English language. Kindly help me...

14 December 2020 6,001 3 View

Does the Chinese navigation satellite system (Beidou) become global or still regional?

I know that this system was regional before, thus covering specific areas not alla the global

09 December 2020 3,343 3 View

What statistic analysis should I use?

Hi, I'm terrible with stats and need some help! I'm looking into the butterfly population at a single site over the course of 6 years and I'm not sure what type of tests I need to run to get...

22 November 2020 3,181 3 View

What is the preferable incubation period in injecting ethanol into the duck eggs for antiteratogenic studies?

I have been working on the anti-teratogenic activity of a plant extract towards ethanol induced duck embryos however, many studies use the 14 days incubation period and then remove the embryo for...

17 November 2020 4,701 5 View

Can DNA sequencing help in identification of hybrids amongst butterflies?

Recently I faced a problem while separating 3 species of genus Lethe butterflies (group Woodbrowns -Satyrinae) working along an elevation gradient and different forest habitats in Kedarnath Musk...

15 October 2020 2,916 3 View

Any recommendations on the software to do text mining or sentiment analysis on Chinese reviews?

I am trying to do text mining on Chinese reviews. I have tried out many softwares, like the RapidMiner, Chinese Text Analytics, Python. Most of them seem to require certain level of programming...

12 August 2020 9,109 8 View

How to get in touch with Chinese students interested in applying for a CSC PhD scholarship in materials sciences?

How to get in touch with Chinese students, who might be interested in applying for a CSC full (3 years) PhD scholarship in materials sciences abroad? The few Chinese professors I know do not have...

29 June 2020 5,279 1 View