Does anyone know of a predictable relationship beween surface gravity and atmospheric composition?

The attached file demonstrates that there is a predictable relationship between the structural density of a terrestrial body and its none-rotating surface gravity. Using Newton's gravity law of...

26 February 2021 2,317 3 View

What is the chemical composition of chlorellin?

The chlorellin is the chemical compound which is first extracted from Chlorella vulgaris by Pratt in 1944. Spoehr in 1949 wrote that it is a mixture between fatty-acids and hyrdocarbons and its...

25 January 2021 8,538 1 View

Is it possible to dynamically adjust the data rate of a wireless node using TSCH protocol in Link Layer?

I'm currently learning about rate-based congestion control for industrial wireless sensor network. Suppose there is a network consisting of several sensor nodes and one coordinator node connected...

12 November 2020 373 2 View

How long can PBMCs survive outside of an incubator in R-10 culturing medium?

I have been running ELISPOTS with not much success recently due to high levels of background. After testing everything from the DMSO used in peptide stimulation to the FBS in the culturing medium,...

15 October 2020 849 3 View

How dissolve Hyaluronic acid with consistent viscosity?

I'm trying to dissolve HA in PBS or cell media, 20 mg/ml, but gets inconsistent viscosity on my solutions. Some samples are very viscous while others are very liquid. The HA functionalized with a...

30 June 2020 4,075 3 View

What does it mean if an anaplastic thyroid cancer has no mutations or fusions in a comprehensive PCR analysis?

The tumor has p53 possitivity, but a comprensive PCR analysis showed no mutations in tp53.

30 March 2020 884 3 View

What does a Negative Phi and Cramers V coefficients imply?

From the way we define the phi and Cramers V and from my theoretical knowledge, I expect Phi coefficient and Cramer's V to bare positive values. In a recent analysis using SPSS 22.0, Negative...

22 March 2020 4,064 6 View

How do I obtain Total Faradaic effeciency close to 100%?

After CO2 Electrochemical reduction on 6 samples, i obtained both gaseous and liquid products from GC-MS and NMR respectively. i quantified the liquid products by integrating each peak. for...

14 December 2019 5,479 4 View

Entrepreneurial Orientation Measurement Results?

Hello, I am looking for a review of EO measurement results via the Miller/Covin Slevin scale. I mean the actual values for innovativeness, risk and proactiveness. There are a number of papers who...

18 November 2019 8,474 3 View

Human-centered Design Questionnaire?

Hello, I'm searching for a [validated] Human-centered Design questionnaire. I've been searching in the Industrial Design and Human-computer Interaction literature, but have come up short. The...

26 October 2018 4,853 4 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

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23 February 2021 4,014 3 View

How to reduce static electricity of powder after lyophilization?

I am working on synthesizing and then purifying peptides using the SPPS system. After purification of the peptide, the peptide powder is obtained using a freeze dryer. When measuring the powder,...

22 February 2021 10,099 5 View

Can we remove the fmoc group after peptide cleavage?

I have synthesized the peptide using Fmoc based solid phase peptide synthesis. Also I have cleaved the peptide from the resin and lyophilized it, but later realized that, I forgot to deprotect the...

21 February 2021 4,537 3 View

How T cells recognise non-peptide antigens?

This might sound very basic question, but please share with me an explanation of how the T cell is activated when the antigen is not a peptide? What happens? And what are the molecules involved in...

21 February 2021 564 3 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

Help with Amyloid beta detection protocol (western-blotting)?

Hi everyone, I am a first year PhD student working on amyloidosis. I would like some tips and tricks to crack efficiently my current nightmare, i.e. the western blotting of the Amyloid beta and...

11 February 2021 2,513 3 View

How to assing secondary structure to calculated peptide/protein having xyz file?

Hi, I have an optimized structure of some peptides and I would like to represent it as a secondary structure - cartoon. Ok, so server apps ask for pdb file (like Stride). I tried in different...

04 February 2021 517 3 View