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

Western blot protein of interest falling at a lower weight than expected?

My protein of interest is DAGLa (115 kDa). We received the antibody for this from another researcher who reliably shows bands at this weight. We do see a light banding at this weight, but the...

11 February 2021 6,009 3 View

How to make Fast Green FCF from powder?

Hi everyone We need Fast Green to electroporate plasmid into mice embryos, therefore we simply need it to see some color in the liquid we are electroporating so that electroporation is more...

07 February 2021 1,671 2 View

LINCS warning only with -pme gpu?

Dear all, I recently bought a RTX3080 and was unable to start the NPT and production steps due to lincs warning (my old gtx 1080ti card ran normally, using the same .mpd), I tried several...

18 December 2020 3,333 2 View

What is the relationship between induction machine stator reactance variation and slip?

It is possible to notice, at some three phase induction machine datasheets, that exists a relationship between stator leakeage reactance and slip, that is, the stator leakage reactance increases...

23 November 2020 2,949 3 View

How to characterize the pore size of membrane filtration with bubble point method?

Hello everyone, I am having troubles with the bubble point measurement to find the pore size of my self-fabricated microfiltration membrane, and I couldn't find a proper answer anywhere else. It...

16 November 2020 7,574 1 View

Is there same kind of limit when annealing two DNA products?

Hi there I'm planning on annealing two PCR products to perform some mutagenesis in a plasmid. I was recommended to try and keep it to 600pb each, for example, but for one of the plasmids there...

15 November 2020 8,656 3 View

Is there any way to learn a neural network based on a cost function that makes use of a root finding algorithm?

I need to integrate a root finding algorithm in a neural network. For that, and in order to be able to perform backpropgation I need the algortihm to be differentiable. Is there any method/...

05 November 2020 1,361 3 View

The use of n-of-1 studies for rehabilitation / therapies (i.e. non-drug/medicine studies)?

Hi there, I am eager to hear from researchers or clinicians who have used n-of-1 studies for the above purposes. They seem to offer advantages over many other study designs, particularly for when...

26 October 2020 328 5 View

LiFePO4 DRX peaks?

05 October 2020 8,919 3 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration forms?

Warm greetings! My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology focusing on Human papillomavirus). At this stage, I have almost completed a clinical sample (Cervical swabs)...

25 February 2021 3,612 3 View

Professional editing and proofreading services?

08 February 2021 7,901 6 View

How to calculate random forest manually?

17 January 2021 301 2 View

Is there and standard of Chemical price when writing a SCI paper?

Hello I writing a SCI paper and want to make a table for chemical price comparison. However, the chemical price varies from country and company, amount and also dates. Is there any reference...

12 January 2021 5,600 1 View

How do we solve optimization problems involving a maxima or minima in the objective function ?

I am trying to solve a multi-objective optimization problem using the Pyomo library in Python. The objective function includes operational optimization of an electrolyzer for hydrogen production...

11 January 2021 8,018 3 View

Why nan loss values are resulted through deep learning in python?

hello every one i want to practice deep learning as descibed for a home price prediction problem i use code as following # IMPORTING PACKAGES import pandas as pd # data processing import numpy...

07 January 2021 8,761 1 View

Can you help with the implementation of two different model of deep learning for stock market prediction?

I have stock price data(Open, high, low, close), I want to do prediction by combining two different models like CNN with others. Dataset will be same, what are the ways that I can use for...

04 January 2021 1,845 3 View

Which internship should I choose ?

Hello ! I have to intern in a lab for 5 months next march and as I want to eventually do research in marine ecology, i want to intern in the same field. I have found two internships, one in...

08 December 2020 900 4 View

How to determine/select the indices (underlying weather index) of weather-based insurance?

It should not be confused with strike and limit thresholds. In this case, I am emphasizing the basis of the index, such as: -Cumulative, accumulated, deficit and excess rainfall values. -Average,...

29 November 2020 3,084 3 View