Genus name priority from the same publication (Zoology)?

I came across a recent taxonomic work, where two genera were synonymized. Both genera were published in a paper in 1922 by the original author who revised the family at that time. The original...

19 January 2021 1,920 4 View

Trizol samples wont freeze. Can it cause problems?

Hi, everyone. I recently lysated cell culture with Trizol reagent, and I put my samples in -20C. But, some of my samples wont freeze, and I can see two separete phase appearing in them. I'm awaer,...

06 November 2020 10,002 1 View

Culturing CHO-freestyle cells without shaking?

Hi everyone! Recently I started working with CHO-Freestyle suspension cells, but our laboratory does not have an orbital shaker. I tought it would be okay without it, so I just used a normal T25...

20 July 2020 4,597 1 View

Species name priority?

An author described a new insect species in a doctoral thesis, back in 1986. The document is now available as a downloadable PDF, but only since 2019. Another taxonomist described a new species...

18 February 2020 4,407 4 View

What are the simplest organic materials that adsorb phosphorus from water?

I look for a natural material, preferably organic, that adsorb phosphorus. The adsorption capacity can be low as compared to mineral materials like slag or apatite. The point is to have something...

02 February 2020 1,091 4 View

How to determine molecular weight of disordered peptides from diffusion NMR data?

From diffusion NMR (DOSY) experiments, diffusion coefficients are available for ~40 AA disordered peptides. Is there a method to calculate the molecular weights using these data, that is suitable...

08 July 2019 703 3 View

About the future of digital orthodontics in the next 5-20 years ?

I would appriciate to get some articles and/or citations about the future of digital orthodontic resp.the quantity and quality of digitalisation of orthodontic offices in the next 5-20 years.

18 March 2019 3,543 5 View

HPLC method QP#2015.2 ?

I want to measure flavonoid content by HPLC using a standard method labelled "QP#2015.2". Does anyone know the precise description of this method? This particular method is needed for quality...

25 April 2016 6,206 2 View

Are there any non-invasive methods for minimizing the light accessing the retina during development?

I'm planning an experiment where we try to avoid light accessing the retinas of our developing (P0-P20) rats. I could use a light insulated place and red headlights. I am not sure if it could work...

27 May 2014 2,265 1 View

How to calculate the fractal dimension of a polygonal line?

Given an ordered set of points in the unit square, what are the most elegant ways to estimate the fractal dimension of the curve? By "elegant" I mean without resorting to drawing the object and...

01 January 1970 9,510 4 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 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 to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

Genome-wide gene identification protocol ?

Is there any book chapter/book, webpage or research article available to understand genome-wide gene identification?

28 February 2021 8,095 1 View

How to improve and implement WBAN MAC and Radio modules under Castalia 3.2 ?

Hello researchers, Hello Castalia3.2 researchers I am a beginner with Castalia, I work on optimization of RFID systems used in wireless body networks. I simulated a WBAN with 10 nodes and one...

28 February 2021 400 1 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View