How to compare individual spectra of a scan to a mean of the whole scan?

I'm doing a project, where I scan over a sample recording a spectrum at each position. Although the sample is supposed uniform, there's a large difference in the overall spectral response of each...

13 July 2020 2,077 3 View

What is your experience on practicioning as opposed to doing academic research?

Lately, I have been thinking much about the relationship between working practical tasks, on the one hand, and doing scientific research, on the other. What is your experience..? Most...

01 August 2019 4,989 4 View

How to prepare a freshwater sample for chlorophyll-a measruement using a microplate reader?

I would like to use a microplate reader for chlorphyll-a measurements in freshwtaer samples. I found a lot on the measruemnt itself, but I am still not sure about my sample preperation and...

14 May 2019 1,831 2 View

How do I measure the major axis (longest axis) of an object in a nifti segmentation file?

Hi! I need to measure the maximum length of a random shaped object in a 3D binary segmented nifti volume. Is there any toolbox or any easy approach in Matlab or Python? Thanks in advance! Thorsten

05 July 2018 2,754 1 View

Under which conditions are Mie Scattering Amplitudes imaginary?

Hi, I am using Maetzlers Mie Scattering Script from 2002 to calculate Phase Matrix entries. But under no conditions I am able to produce imaginary scattering amplitudes S1 and S2 which is kind of...

11 November 2015 3,806 4 View

Anyone familiar with VHL immunohistochemistry on murine sections?

We are looking for an antibody that can detect murine VHL (von Hippel-Lindau) via immunohistochemistry, preferably on FFPE sections. Many thanks and best wishes! Thorsten

03 September 2015 9,737 3 View

What is the correct terminology for the following two learning phenomena?

What is the phenomena called when a student or pupil can learn better because he or she can associate the new knowledge with something previously known? And: What is the phenomena called when a...

05 February 2014 3,043 8 View

Metric Modeling and Representation of 4D Data through 3D Vector Tensoring

01 January 1970 691 2 View

How to stain membranes independent of membrane proteins?

Dear all, is there any stain or technique to visualize membranes (e.g. nuclear membrane) without using an antibody for membranous proteins? E.g. any dye that incorporates in all the different...

01 January 1970 195 2 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

Which is the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 View

No title

Hi, I have several doubts about one paper (Systematic Literature Review) that was rejected. The main topic is Single-Board Computers in engineering education during the period 2010-2020. The...

01 March 2021 9,015 3 View

Which bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

01 March 2021 7,675 3 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

Which software is better to write systematic review paper?

We have seen some authors use some software to write review paper. As obvious, the study of all published papers concerning our studying field is not possible and these software can help us to...

27 February 2021 6,296 1 View