Does anyone know providers of small (< 1um) soft particles e.g. polyethylene?

Hello, everyone! I am looking for providers of small soft particles (polyethylene, polystyrene) with sizes around 1 micrometer or less (it could be even better). I looked through the Internet, but...

14 December 2020 4,217 1 View

Can you recommend me a good online course about molecular biology? (Other biomedical online courses as well) ?

Dear Scientists Due to serious pandemic threat and the "stay at home" recommendation, I would like to ask you for recommendations of good online biomedical courses. My focus is to get better with...

15 March 2020 4,955 9 View

Why crystallization stops at melilite - pseudowollastonite cotectic?

29 January 2019 3,981 2 View

What is the reactivity of 2-aminoimidazole?

Can anyone say something about the reactivity of 2-aminoimidazole? I think this compound significantly differs in term of chemistry from other heterocyclic amines, e.g. 3-amino-1,2,4-triazole,...

17 January 2018 7,331 3 View

What could be a proper HPLC mobile phase for 3,5-dinitrosalicylic acid analysis?

21 August 2017 429 2 View

What should i change to improve the quality of polyacrylamide gel?

26 February 2017 3,339 9 View

Best conditions for agarose gel electrophoresis to get high resolution?

26 January 2017 3,633 19 View

Has anyone got some experience with Custom RT2 Profiler PCR Arrays from Qiagen?

I'm preparing a Custom PCR Array Gene List Template. According to this table, customer should write: - "# of experimental conditions" - "# biological replicates per condition" What does it exactly...

17 March 2015 499 1 View

What is the most efficient and fast way of live trapping of Norway rats?

I need to trap alive dozens of wild Norway rats for my research. What kinds of places and what ways of live trapping would you recommend? I have used many kinds of traps and baits and I have tried...

21 January 2015 7,949 5 View

Is there any software that allows for identification of individual animals by their body weight?

19 January 2015 5,272 2 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

How to handle studies which report perfect effect sizes in a meta-analysis using Pearson's r?

I'm in the process of updating a meta-analysis and in one of the new studies, effect sizes are reported as Tau-U. Two of the effect sizes are reported as Tau-U = 1.00. I am using Andy Field's...

24 February 2021 2,265 3 View

Why cannot world and community leaders be gentle? Where did ethics of care go?

The whole world is in a mess and paused. We all are tired of seeing hypermasculinized and destructive leaderships all around us. This world has seen enough of the aggressive patriarchal social...

23 February 2021 292 7 View

Have you ever experiencing air vent trouble in fermentation process?

Dear all, My research group is currently working with a 12-litre fermenter. Somehow, if we do the fermentation for more than 20 hours, the process will be more prone to contamination. Our current...

23 February 2021 1,908 2 View

How to read a flow cytometry graph detailing cell cycle?

Hello everyone, When determining cells in different stages of the cell cycle, cells are stain for Brdu and Propidium Iodide. I understand how PI can be used to discriminate between G1 and S/G2...

18 February 2021 3,920 3 View

How to report Fishers Exact test from SPSS in a report properly?

I am wondering how do I write the data I have collected from my fishers exact test into words so that it backs up my work? the exact sig.(2-sided) was 0.033, meaning it is significant because its...

17 February 2021 3,441 7 View

Aspen Plus Error: Unknown or undefined bead number?

Hello, in my Aspen Plus Simulation (see attachment) there are two heat exchangers. One HEX1 (oil+gas) ist fed by hot gas which ist coming out of a burner. The other HEX2 (gas+gas) shall work as a...

14 February 2021 8,096 2 View

GST assay in microplate?

I'd like to know if anyone can provide me with a protocol for traditional GST enzymatic assay (with GSH and CDNB as substrates) in a 96 well microplate, for cell line and/or C.elegans...

11 February 2021 1,328 3 View

Does anyone have a stack of images of action potentials or abnormal brain scans?

I need a stack of black and white .jpeg/.tiff/.jpg/.png images across time of either action potentials, neurons firing, or brain scans (comparing disease and normal brain, disease progression,...

09 February 2021 2,648 3 View

What/How to focus on with regard to research publication?

I'm an academician for past 10 years and love to continue with the same, a question pops-up at in mind from time to time, what to focus more on? Conference papers, Journal paper, book chapters,...

09 February 2021 1,009 5 View