What is the relationship and mechanism between COVID-19 transmission and ACE-2?

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What are sources of negative control/artificial urine that I could use use dilute standards down in an ELISA?

Hello! I'm hoping to run an ELISA on human urine samples to measure testosterone levels. We are hoping to use a kit from Neogen, which has been validated for serum/tissue/urine. The protocol...

28 May 2024 2,815 0 View

Has the formation of my silver nanoparticles been indicated by the provided UV-Vis spectrum?

I'm trying to produce silver nanoparticles using plant extract, but I didn't observe the expected peak in the UV-Vis spectrum between 380-420 nm, where silver nanoparticles typically appear. After...

04 May 2024 6,463 11 View

What are the best solvents and plant extraction methods in the green synthesis of silver nanoparticles ?

1. Which form of plant extracts shows the greatest potential for green synthesis of silver nanoparticle: - direct homogenization with deionized water followed by filtration or centrifugation,...

02 May 2024 7,789 2 View

When designing a pulse oximeter simulation, what is the sole purpose of including a timer in the simulation?

For example, if the simulation software used is wokwi.

13 April 2024 480 2 View

Do you have an evaluation tool or rubric that will evaluate a learning material if it applies the multimedia principles of Mayer?

I am developing a learning material that applies the Multimedia principles of Mayer. I need an existing tool or rubric to help assess my material

07 April 2024 1,283 0 View

How can I stabilize a thick ethanol extract dissolved in water for AgNP green synthesis?

Initially, I conducted maceration with a 70% ethanol solvent for 3x24 hours to obtain the thick extract. For the AgNP synthesis, the thick plant extract needs to be dissolved using deionized...

04 April 2024 6,946 4 View

How to publish a paper without academic background?

I just failed about my PhD application (Business field). I think one of the reasons is "No Publication". But I have limited access of academic journals (usually use Google Scholar) and no...

21 March 2024 8,988 4 View

How to have self-learning of psychology and statistics?

I would like to study in PhD in marketing field. However, the Business School prefers to the candidate whom has a strong background in social psychology, judgment decision making / behavioral...

21 March 2024 5,335 5 View

After purification by centrifugation and washing with deionized water, what are the subsequent steps to produce silver nanoparticle AgNP?

1. If I air dry the sample overnight, how should I prepare it for UV-Vis, FTIR, DLS, and SEM/TEM characterization? 2. Do I need to add a buffer to maintain sample solubility? Should the...

19 March 2024 4,898 5 View

What are the best approaches for designing the green synthesis production of silver nanoparticles?

Is it more effective to optimize the ratio of plant extract to AgNO3, or should I adjust the final concentration of AgNO3 in a fixed concentration of plant extract, considering the optimization of...

19 March 2024 1,183 4 View

E-commerce businesses, COVID-19 and Entrepreneurial Strategies (innovation, proactiveness and risk-taking)?

Hello: I am looking for articles that address e-commerce businesses and COVID-19 survivors, as well as Entrepreneurial strategies that reflect e-commerce businesses. Blessings Evelyn Dempsey

05 August 2024 5,332 3 View

The Optimal Experimental Approach for Gene Function Analysis?

What is the most suitable experimental setting to understand the consequences of a particular gene: (1) targeted degradation of the specific transcription factor (TF) of the gene, followed by...

04 August 2024 6,265 1 View

Tissue homogenization in mouse with FastPrep-24™ 5G - is the D matrix system useful?

I need to lyse and homogenise mouse tissues. So far I have experimented with liver and lung tissue, using matrix D. The liver was completely lysed with 6 repetitions of the standard program, but...

31 July 2024 9,186 0 View

Can i use the protease inhibitors during cell membrane vesicle preparation ？?

I am currently working on a project that involves extracting cell membranes, for which we disrupt the cells using sonication. During the initial extraction process, we add protease inhibitors to...

30 July 2024 7,077 1 View

How should we increase the quality of RNA extraction?

I’m having difficulty achieving high RNA integrity in my samples. Although the 260/280 and 260/230 ratios are satisfactory after RNA extraction, the RNA samples show signs of degradation when...

22 July 2024 155 4 View

What it is, that we do not know about the possible Social Impact of the AI on Society. Education, Human Computer Interaction and the Global Economy?

As with most changes in life, there will be positive and negative impacts on society as artificial intelligence continues to transform the world we live in. How that will balance out is anyone’s...

20 July 2024 10,062 3 View

Why not we are following sars COVID 19 guidance?

If the case of Irak is of December 2020 then i think I can suggest pl follow all the infection cause and death, already in our researchgate.

19 July 2024 3,356 2 View

How can I extract glycosides from mangrove leaf samples without an incubator that can reach temperatures above 60°C?

I want to extract glycosides from my mangrove leaf samples, but my laboratory lacks an incubator capable of reaching temperatures above 60°C. The paper I am following specifies a minimum...

13 July 2024 3,686 0 View

Why am I seeing only one initial maximum in torque-time curves for the fusion of PVC in a Brabender?

We're studying the stability and fusion behavior of multiple PVC compounds in a Brabender. After a few trials, we set the temperature at 195 °C and the rotor speed at 70 rpm. Samples differ in...

12 July 2024 2,768 1 View

Do the parts of the body that are situated at a longer distance from the central nervous system have the least control & coordination comparatively?

What would be the effect of distance from CNC cum Heart on the structure and function of a particular part of the human body? Do short people have evolutionary advantages to control body parts in...

09 July 2024 2,052 3 View

Muhammad Yousuf

@ Michelle Islas

You can find all discussion regarding your question in this link:

http://www.nephjc.com/news/covidace2

Michelle Islas

This is great! Thank you!

Harasit Kumar Paul

Please have a look at the following link:

Article Angiotensin-converting enzyme 2 (ACE2) as a SARS-CoV-2 recep...