Does anyone have experience using High Molecular Weight DNA Extraction Kits for extracting DNA from plant leaves?

Hi there, I'm looking for a High Molecular Plant DNA Extraction Kit for subsequent Nanopore sequencing. Does anyone have experience using commercially available kits? Any...

03 January 2021 9,487 4 View

Is it possible to estimate the biomass of a crop knowing only the yield per acre per year?

I am trying to estimate the carbon input (of vegetal residue) to an agricultural land, based on the historical records of the yield. However, the yield (lb per acre) is the only information I...

14 April 2019 7,370 3 View

Has anybody used Oligofectamine for co-transfection of siRNA and Plasmid DNA?

I am planning to co-transfect siRNA and Plasmid DNA and I have only Oligofectamine with me. Though Oligofectamine is recommended only for siRNA transfection I was wondering if Plasmid DNA can also...

17 April 2017 8,129 2 View

The article on vasopressin (sp?) in the title is not mine Would you remove it?

14 March 2017 8,651 2 View

Does anyone know a protocol for XL-10 gold competent cell preparation?

I'm trying to clone a 12.5 kb plasmid and I need competent cells of this strain.

22 January 2016 2,769 2 View

How should I analyze metabolites from cell culture media using Mass Spectrometry?

I need to check whether the level of metabolites are altered in cell culture media during specific treatment condition because of altered uptake and secretions.

30 January 2014 2,766 11 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 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

NVT or NPT is preferable for gas adsorption simulation ?

Hi there, In order to perform molecule dynamic simulation on gas adsorption on substrate materials, NVT or NPT ensemble is preferable ? Thanks!

08 February 2021 173 1 View

How can I convert permeability unit from barrer to m^2 for using COMSOL MultiPhysics?

I am looking for gas permeability of PDMS for simulation in COMSOL MultiPhysics and using creeping flow , fluid and matrix properties. The permeability unit in COMSOL is m^2 whereas I have the...

08 February 2021 4,305 2 View

Any reference paper with detailing on how to hybradize Q-Learning algorithm with Genetic Algorithm, especially for a variable optimization problem?

I am planning to hybradize Q-Learning algorthm with Genetic algorithm at the population initialization stage, crossover stage and mutation stage. The problem under consideration is a...

07 February 2021 3,123 8 View