Hansen solubility parametrs (dD,dP, dH and R0) for protein albumin?

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How to analyse two species distribution using Ripley function in R?

Sorry for asking something so trivial, but I need an R code to analyse mutual distribution of two species on study plot. I can use kest/lest functions from spatstat library in R to analyse...

19 April 2024 2,652 0 View

Surprise: zero citation?

Hi! There was some kind of glitch on my ResearchGate page: the citations of my 104 articles, books and other publications suddenly turned out to be zero (see screenshot). What's reason of this...

18 April 2024 8,915 4 View

How to calculate community weighted mean for forest undergrow?

I currently try to calculate community weighted mean for leaves traits of forest undergrow - grasses and small shrubs. I use protected area of plants as a weighted coefficient. Only half of the...

05 April 2024 1,081 1 View

How could one achieve a stable SCF convergence in the case of lanthanide complexes?

Dear Colleagues, I am a beginner in the field of computational chemistry, and my interests are primarily focused on the calculation of magnetic states and exchange interactions for 3d- and...

17 March 2024 4,065 5 View

Where can I find test images (ground truth) for testing computed tomography algorithms?

I have some ideas on computed tomography algorithms. However, I have never worked with databases in this area. The algorithm is quite simple, and we would like to have a test image or images...

07 March 2024 986 0 View

Comparing Predictors: Is Higher Hazard Ratio Indicative of Better Performance?

Can a predictor with a higher Hazard Ratio (HR) be considered better compared to a predictor with a lower HR? In other words, can the HR assessment be used as an analog to AUROC for evaluating the...

14 January 2024 9,317 3 View

Are there any electrophysiologists working on the spike 2 program?

My team recently purchased this software and are having difficulty writing experimental protocols. Can anyone help with creating a stimulation protocol? We have: Spike 2, SED 1401 (Micro 4) My...

24 December 2023 9,864 0 View

What is the minimum reached big size (nut coke not considered) coke rate in Blast Furnace world wide?

Dear colleagues, if somebody knows what is the current minimum coarse (nut coke not considered) coke rate in Blast Furnace world wide? I heard, that in South Korea in Gwangyang Blast Furnace №2...

12 October 2023 4,108 0 View

Is Broken-Symmetry DFT applicable to gadolinium complexes?

Dear Colleagues, I am new to the computational chemistry, and I am primarily interested in the exchange energy calculations for polynuclear metal complexes. Is the broken-symmetry DFT approach...

21 August 2023 8,675 2 View

Is it safe to boil concentrate water solution in the same dust-proof box (positive pressurised) near cleaned for elemental analysis glassware?

We have an isolated dust-proof glaw-box for for "clean" analysis procedures: sample concentration, sampling itself, and plastic-glassware steam cleaning/ storage. It is known that some elements...

27 July 2023 844 0 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 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

Determining the worth of a point improvement in Hamilton Depression Scale?

Dear readers, Thanks for your attention. I am wondering about the health economic problem of quantifying the value of interventions which a) prevent, b) improve symptom profile and c) ultimately...

05 August 2024 3,246 1 View

How to Add Missing Water Molecules in Protein-Membrane Simulations?

I have protein-membrane simulations (PDB, PSF, DCD) and have noticed that water molecules near the protein are not visible in the simulations. How can I fix this issue? Is there a way to place the...

04 August 2024 1,200 2 View

Why is nonpoint source pollution potentially more harmful and difference between point and nonpoint sources of water pollution?

01 August 2024 1,180 2 View

How do living organisms play a role in the water cycle and why is nonpoint source pollution potentially more harmful than point source pollution?

01 August 2024 7,061 2 View

Conjugation of PEG-Amine to an Amino Acid Using EDC?

I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...

31 July 2024 2,033 1 View