Is it possible which low-molecular weight polymer doesn't have Tg (glass transition temperature) ?

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Does anyone notice the tumor regression impact of Hepa1-6 cells in HCC orthotopic mice model?

To establish an orthotopic HCC model, C57BL/6 mice (male, 6-8 weeks) were orthotopically implanted with 3x106 Hepa1-6 cells (Over-expressed with a human gene) in 20uL Matrigel into the left lobe...

18 July 2024 9,177 2 View

What does it mean when BPA "leaches" from plastic items?

A lot of scientific papers state that BPA can "leach" from polycarbonate plastics, but what does that actually mean?

17 April 2024 6,015 1 View

What's the best statistical analysis for germination rates of three treatments?

I have three treatment groups and testing the germination rates.

26 March 2024 7,513 4 View

How to calculate the rayleigh damping values?

I'm using complex eigenvalue analysis for brake noise prediction, which tends to overpredict instability modes. To mitigate this, I'm employing Rayleigh damping. By setting Beta in the order of...

21 March 2024 2,912 5 View

How to BPA intake in plants?

How do I measure the uptake of BPA in soybean plants treated with a BPA solution? I have an HPLC, NMR, UV-Vis, GC, XRD.

28 February 2024 7,550 0 View

How to measure reactive oxygen species (ROS) for plant roots?

What is a simple way to measure ROS values for plant roots?

21 February 2024 1,358 1 View

What kind of data should I collect that would show how different water treatments impact plant and soil health?

I am testing the impact of two different different water treatments on plant and soil health. What kind of data should I collect? (i.e. Root length)

18 February 2024 5,050 4 View

How to measure ROS in plants?

I am experimenting with plants and different water treatments. How would I measure the ROS values and what statistical tests could I perform?

15 February 2024 4,100 1 View

Is it possible to calculate the concentration without a response factor?

HPLC question: I have a solution with an unknown concentration but I also don't have the response factor, is it possible to calculate the concentration? Even if it won't be accurate.

11 February 2024 2,642 3 View

Western blot showed distorted band, reverse 'U' shape, low MW protein?

This is 12% SDS PAGE gel and the MW of this protein is around 20 kDa. Running: 80V 20min; 110V 2h30min Transfer: 100V 1h20min I wonder this might be due to the gel over-heated during the running?

04 January 2024 7,414 0 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 View

Fabrication of narrow glass capillary (inner diameter 200~500 nm)?

I need a very narrow glass capillary for my research. How can I make a glass capillary with an inner diameter of around 200 to 500 nanometers?

08 August 2024 8,915 0 View

How to increase simulation box size?

We intend to study the interaction between peptides and polymer (like PP, PE and PS) through MD simulations using Martini force fields ( Martini 2 for PP and Martini 3 for PE, PS). We have...

08 August 2024 4,842 0 View

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 3 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

How to heat polymer for about 130° without oil bath ?

is there any other way to heat a polymer evenly other than oil bath if so what are those and how to use it

06 August 2024 947 1 View

Where can I find free research instruments for Nursing?

for eg. transition shock scale

01 August 2024 5,998 0 View

Is it possible to improve the reforming section of the Haber-Bosch process without using air separation units?

A typical reforming section in a large-scale Haber-Bosch process (Figure 1) comprises two reactors. A mixture of methane (CH4) and steam (H2O) is fed into a primary reformer to produce syngas via...

01 August 2024 7,051 5 View

How to explain the different interaction between soluble and insoluble polymer in water?

Hello everyone, I am try to understand the differences interaction between insoluble and soluble polymers in water with metal ions and how theit charge density (of metal ions) affect the interaction.

29 July 2024 6,350 3 View

Why is it not common to see similar pairs in polymer sliding pairs?

If the pairs are similar, will it reduce the adhesion due to electric charges?

29 July 2024 3,185 2 View