Hi i want to ask that in order to find out LC 50 (96 hours) of particular toxin for fish. Should we keep the animals with food or without food?

if we expose the fish after acclimatization to particular toxin in order to find out LC 50 (96 hours).Should we keep the fish off feed or with feed for that duration. Some literature show that...

24 February 2021 357 2 View

How to calculate the band potential of a semiconductor material using energy band gap?

I am looking for methods to calculate the band potential of ZnFe2O4 and Fe2O3.

05 January 2021 6,416 2 View

I am confused about the number of active sites in enzymes. Is there any enzyme with multiple active sites?

I want to know about the number of active sites in an enzyme.

15 December 2020 231 9 View

Besides, DMSO, EDTA, and K2Cr2O7 to scavenge the OH radicals, holes, and electrons respectively what are the other chemicals being used for scavengin?

Besides, DMSO, EDTA, and K2Cr2O7 to scavenge the OH radicals, holes, and electrons respectively what are the other chemicals being used for scavenging? Please share the files with complete...

30 November 2020 4,935 1 View

I have performed CV at different scan rate. now i want to make this kind of graph as attached in origin. can anyone help how to plot this graph?

I have performed CV at different scan rate. now i want to make this kind of graph as attached in origin. anyone can please help how to plot this graph?

23 November 2020 8,996 3 View

Which procedure is most convenient for performing tensile strength tests on reinforced laboratory soil specimens?

The fact that there are no proper laboratory equipments devised till date for direct tensile testing of soil, I'm looking for a simple indirect procedure that would help in determining tensile...

12 October 2020 8,231 2 View

How Geochemical models help in solution chemistry in the experiment?

Added Si to nutrient solution carrying metals and mineral nutrients under acidic conditions, therefore, it's necessary that they provide evidence that Si addition does not cause pH fluctuations...

26 September 2020 7,706 2 View

How to test the validity and reliability of an instrument variable after ivprobit in Stata?

We run a conditional logistic regression using propensity score matching to do some research. After that we use ivprobit to test endogeneity, but the reviewer ask to do additional tests for the...

10 May 2020 2,750 1 View

Which technique is better to use in Hierarchical Linear Regression, SEM or Process Macro and Why?

My model consisted of one independent variable, two moderating variables, and one dependent variable. Which technique is better to use in Hierarchical Linear Regression, SEM or Process Macro and...

13 November 2019 240 3 View

During IHC staining of neuromuscular junction in Drosophilla larvae why Normal goat serum (5%) is used along with primary and secondary antibody?

Neuromuscular junction (NMJ) staining for light microscopy

02 September 2019 3,022 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How does an antibody have full intact antibody + half antibody?

Hello, I was just wondering how does a antibody have full intact antibody + half antibody? Is it because of the drug conjugation?

28 February 2021 1,577 1 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

No title

I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

How do I choose contrasts in SPM8?

I am learning how to use SPM for PET and PET-MR analysis, but I haven't found any great resources that explain how contrasts work. I have a series of PET images where our hypothesis argues that...

24 February 2021 1,534 2 View

Does anyone have any ideas why drug-resistant malaria is increasing in Southeast Asia even when those drugs are no longer used?

When dealing with bacterial toxins, there are three varieties of microbes that develop in your petri dish: toxic, resistant, and susceptible. Initially, there are only toxic and vulnerable...

21 February 2021 6,084 5 View

What is the most prevalent drug related problem in the developed countries?

Detecting the drug related problems is an important step in the pharmaceutical care plan

21 February 2021 5,421 3 View

No title

19 February 2021 8,647 3 View

How to improve dissolution of neosome?

I have made neosome from herbal drug. Neosomes are stable. But I face problems in dissolution. I used minimum ratio of 1:1:0.25 ( Drug:span 60: Cholesterol and GMs. Now how can I active better...

17 February 2021 3,584 1 View