Does anyone have knowledge on the piezo actuators on the Harvard MAVs?

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Publisher choice for a philosophy of language book proposal?

If you had to publish a book in philosophy of language-in-cognitive-sciences that is definitely not "continental" but also not strictly analytic, and discusses empirical (psychological,...

04 April 2024 4,436 2 View

How can we improve 260/230 ratio after DNA extraction from macroalgae?

Hi, We have extracted DNA from macroalgae samples with different kits and a CTAB protocol, but in every trial we obtained a low 260/230 ratio (the best has been 0.70). Does anyone know how to...

18 April 2023 1,379 0 View

Is 6xHis tag compatible with therapeutic (GMP) protein production?

Hello! We are producing a recombinant protein (from mammal cells) and we need a 6xHis tag for the purification. This protein is aim to be used in preclinical experiments in the short-medium term,...

11 January 2023 582 2 View

Sole cropping is still the dominant cropping system?

Despite the numbers of paper and researches showing the benefits of alternative cropping systems (intercropping, relay intercropping, mixed cropping), "sole cropping" with the due crop rotations...

10 November 2022 8,384 8 View

Has enthalpy of crystallisation/fusion of pure water been measured with DSC?

Hi all, I am looking for references about measuring crystallisation and metling enthalpy of pure water with differential scanning calorimetry (DSC). Although this seems to be quite a...

20 September 2022 3,191 5 View

Is it correct to express 1H NMR results as wt% ?

We have externalized some composition analysis of a thin silk polymer membrane that we produce in the lab. To solubilize the polymer we use a solution based on formic acid; Since formic acid is a...

17 August 2022 8,762 0 View

How to improve visualisation of oleosome membrane proteins with confocal microscopy?

Dear all, I am using confocal microscopy to visualise membrane proteins of oleosomes (in any case proteins surrounding the oleosome) extracted from rapeseed. The oleosomes have been stained with...

30 May 2022 9,203 4 View

How can I combine trees (.t files) from Mr.Bayes analyses using LogCombiner?

Dear all, I need to combine .t files from a MrBayes analysis. Using mcmcp, sumt, and sump commands is not an option, since due to CIPRES analytical limitations I need to combine files from 2...

21 April 2022 8,027 2 View

Is it possible to flip aminoacid sequences?

Goodmorning, I have a biomolecular dilemma that i can't answer. We would like to produce a fusion construct that is composed by two proteins in tail-to-tail conformation, otherwise one of the two...

05 January 2022 1,867 8 View

How to score with BIRADS a lesion which apperas benign at imaging but which is actually malignant?

If I report a breast imaging exam (MRI, US or Mx) which not shows any malignant findings in a biopsy-proven breast cancer, which BIRADS score do you use?

22 June 2021 8,790 3 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 View

How does grain and grain boundary affect the ceramic when studying its dielectric properties?

I am not able to get good literature and the physics behind how first these grains and grain boundaries arises out of no where when we make a pellet to study its dielectric properties and then how...

07 August 2024 5,177 3 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

Are air moisture harvesting technologies effective in combating desertification?

Air moisture harvesting Air water collection devices

06 August 2024 5,473 2 View

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 3 View

Why is the molecule's orientation with an electric field affect polarizability?

Why is the molecule's orientation with an electric field affect polarizability? Electrons are diffuse enough to be independent with respect to orientation and effect of electric field on...

03 August 2024 7,843 1 View

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity?

Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity? What is the acceptable percentage of error (regardless of the metric)? Could you suggest...

03 August 2024 5,358 0 View

What is the cycling of matter through ecosystems and how energy drives the cycling of matter in photosynthesis and cellular respiration?

02 August 2024 9,518 2 View

How to improve peaks separation in HPLC?

Hi everyone, I'd like to better separate two close peaks coming from a bioconversion sample, I'm currently using a C18 KromaPhase 4,6mm Ø.I. SCHARLAU, particle size (µm): 10, pore size (Å): 100,...

30 July 2024 435 3 View

How to use Desmond in HPC ?

Our department has recently acquired an HPC (High-Performance Computing) system, and I'm thrilled to take my molecular dynamics calculations to the next level using Desmond. I used to run my...

28 July 2024 6,553 1 View