What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Where can I find these two papers?

14 January 2021 1,572 3 View

After CRISPR and single-colony picking, cells reverted to WT?

Hi guys: I have been doing CRISPR knock-in and knock-out and one seemingly impossible scenario keeps happening. In the CRISPR knock-in attempt I tried to add a tag on a gene of interest, so I...

07 January 2021 190 3 View

Is there any ingredient I an add into formula to slow down gas generation from Vitamin C?

I know Vitamin C is unstable and tends to be oxidized quickly. The problem here is I made a Vitamin C beverage at pH 4-5, and it starts to generate gas in the packaging, especially at high...

13 December 2020 6,055 1 View

Where can I find fetal MRI dataset?

I want to find the fetal brain MRI dataset for cnn model and deep learning.Can anyone help me, thank you very much

09 December 2020 9,966 2 View

Why use STOP solution in ELISA?

At the last step for data analysis, we always use a STOP solution to stop the TMB oxidized by HRP. Why do we have to stop the reaction? Couldn't we measure the color wavelength of...

17 November 2020 5,177 3 View

Why case-controlled study is more bias prone than cohort study?

I noticed from several articles saying that case-controlled study is more bias prone than cohort study (in the context of cancer early detection using molecular marker). I spent sometime to try to...

17 November 2020 1,878 4 View

Why DMEM color is changed?

Why the pink color will change to yellow, when the DMEM media is frozen? however after dissolution in room temperature, media color will change back into pink.

26 October 2020 708 2 View

How to perform statistic analysis for age range between two cohorts?

Hi, I was reading the paper (MicroRNA Expression, Survival, and Response to Interferon in... ). In Table 1, I'm wondering how did the authors calculate a p-value of 0.29 for Age? The age in Table...

20 October 2020 2,276 5 View

Is RNALater (Qiagen) or Nucleoprotect RNA (Macherey-Nagel) compatible with High Pure Viral Nucleic Acid Extraction Kit?

I am planning to preserve fresh bat guano in either RNALater or Nucleoprotect RNA but my lab has an excess of High Pure Viral Nucleic Acid Extraction Kits. Any idea if both reagents are compatible...

14 October 2020 2,848 2 View

Blast analysis of RC,UHPC slabs using material model *MAT_72R3 in LS-DYNA?

20 February 2021 5,984 3 View

Do you have any suggestions for me to modify my LS-DYNA model?

Hi, I use LS-DYNA to simulate the steel composite shear wall now. I use MAT_084/085 to simulate concrete, MAT_159 to simulate steel plates, and MAT_024 to simulate studs. The concrete section...

24 January 2021 3,863 1 View

I am trying to run a simulation on LS-Dyna and I am facing the error below with Nodal rigid constraints. Can anyone tell how to fix it?

*** Error 20393 (STR+393) Nodal rigid body ID 85000010 contains node ID 83500180 already used in a rigid body/nodal rigid body definition.

20 January 2021 2,019 1 View

Anchoring zone/port statistics numbers?

Hello everybody, For one of my Ph.D. research papers, I'm looking for statistical periodical (annual and monthly 2012-2020) datasets of port statistics: number of ships, average waiting time, type...

15 December 2020 9,128 3 View

Most of the plastic is shipped to Asia?

Dear Sir I came across your paper. First of all, congratulations on your amazing research article. Loved it! Also, I am very interested to know, why is the waste that is collected in the...

14 December 2020 6,342 4 View

Why does the impact force of barge pier collision suddenly increase to the peak value in finite element simulation?

I am learning the knowledge about barge pier collision these days, and have a problem that the impact force of barge pier collision suddenly increase to the peak value in ls-dyna. But the...

05 December 2020 9,978 3 View

Extracting Stiffness Matrix From LS-Dyna?

Hello, I am actually trying to optimize an armour plate for now. For this purpose, I need the stiffness matrix of the plate. While I can write a Matlab code to compute this it will be hard to...

02 November 2020 7,213 3 View

Recommended insect storage/shipping method for NGS ?

Dear all. We need to sample insects, store them upon collection and ship them internationally. Sampled will later be processed for DNA extraction and NGS sequencing. Keeping all this in mind, can...

25 October 2020 7,390 2 View

How can I determine the lift and drag force on a planing boat from the heave and surge forces experimentally determined by a load cell in towing tank?

The heave and surge forces on a planing boat model was measured in a towing tank. Can resolution of these forces with respect to the direction of motion of the model yield the resultant lift and...

05 October 2020 7,576 1 View

How to model deformable metal powder?? How to define gap between the particles?? Which modeling software can be used??

We need to model deformable metal powder. It will be further used in simulation process.

30 September 2020 9,329 7 View