I am using Polyethylene Glycol (PEG) 6000 for a DNA extraction protocol. Can I use PEG 8000 in its place? What's the difference besides MW?

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How could the concentration from RNA extraction is really low?

Hello everyone, currently, I'm trying to do RNA extraction from seeds of Arabidopsis. I'm using the protocol below: RNA isolation from siliques, dry seeds, and other tissues of... I use about...

17 February 2021 7,583 4 View

How do I measure Arabidopsis germination rate?

Hi there, I'm looking for a way to measure the Arabidopsis germination rate, like what media I should use to plant the seeds and what indicator I should see for germination. I'm planning to...

02 February 2021 4,785 3 View

SDS-Gel stacking gel polymerization issues?

Can anyone provide any insight as to why my Tris/Gly SDS-Gels are polymerizing slowly? This especially applies to my stacking gel (image attached) both 4% and 6%. The stacking gel wells polymerize...

24 January 2021 3,791 4 View

How to use back-trajectory analysis (HYSPLIT) to assess air parcels at breathing/monitor height?

Hi there, I'm currently monitoring air pollution in Grenada, West Indies and as part of my project I have identified four scenarios in which I would like to use a back-trajectory analysis...

27 December 2020 730 4 View

Origin of the term "transposition" used in photovoltaic performance modeling?

In PV modeling, the process of elevating GHI data to a tilted surface is often referred to as "transposition". However, strictly speaking, "transposition" in mathematics refers to rearranging a...

22 September 2020 767 3 View

Help figuring out why only lifted cells express eGFP after transduction?

I'm attempting to transduce HEK293T cells with a lentivirus expressing eGFP. I have been observing a low transduction efficiency and after a 24 h transduction the only cells expressing eGFP are...

03 September 2020 9,491 5 View

How to stimulate PBMC-derived monocytes with TLR7 and TLR8 agonists?

I'm trying to stimulate human monocytes from fresh PBMC isolations with 2ug/mL imiquimod and 2ug/mL ssRNA40. I do this in 10% FCS complete RPMI for 18-20 hours before staining and analysing CD14+...

10 August 2020 7,095 1 View

What are the independent, intensive parameters for multicomponent mixtures (and how do I determine them)?

Hi all, For different problems in gasdynamics/thermofluids, different thermodynamic inputs are most convenient for expressing and solving the problem. For example, if I have a stagnation process,...

23 June 2020 1,085 2 View

What literature should I read to start understanding flow batteries?

I need recomendations on the most core and fundamental materials/literature to start understanting flow batteries from scratch so I can migrate to membraneless flow batteries. Hence, I will also...

09 June 2020 6,270 3 View

Any recommendations for a high-quality, contract basis, academic illustrator for a paper in Nature Climate Change?

We looking for a high-quality, contract basis, academic illustrator for a paper in Nature Climate Change, any recommendations? Proven track record important.

26 April 2020 7,427 8 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 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

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 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

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Does anyone have the experience of using Taq Man probes in the QIAGEN Rotar- Gene qPCR machine?

01 March 2021 5,311 1 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

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View