All bacterial species can be produce enzyme?

Enzyme is a protein molecule and are biological catalysts , Microorganisms are the primary source of enzymes, because they are cultured in large quantities in short span of time and genetic...

02 March 2019 2,847 4 View

How can be used the Embryonated eggs for the viruses isolation and identification?

31 December 2018 7,432 0 View

Classification of bacteria depending of oxygen requirement ?

The environments in which some prokaryotes grow would kill most other organisms, the major physical factors which affect microbial growth are solutes and water activity, pH, temperature, oxygen...

31 December 2018 6,159 0 View

Problem in glucoamylase purification by gel filtration technique ?

31 December 2018 4,557 1 View

Show the type of culture media can be used for indole production test?

This test determines whether the microbe produces indole from the amino acid tryptophan. If indole is produced, it will react with a chemical reagent added after incubation to produce a color change.

31 December 2018 1,938 0 View

Determination of the glucose oxidase kinetic parameters (Km and Vmax) assay ?

The reaction rate of glucose oxidase was determined at different glucose concentration ( 20 , 12.5 , 10 , 5 , 3.33 , 2.5 ) % of glucose under optimum conditions of pH , temperature and incubation...

31 December 2018 6,532 1 View

Compare between the Azoles & Echinocandins ?

Azoles : Agents : ketoconazole, fluconazole, itraconazole, voriconazole, posaconazole, multiple topical formulations , The azoles are a broad class of antifungal agents , Echinocandins are a...

31 December 2018 4,813 1 View

Show the major nutritional types of procaryotes ?

All living organisms require a source of energy. Organisms that use radiant energy (light) are called phototrophs. Organisms that use (oxidize) an organic form of carbon are called heterotrophs or...

31 December 2018 5,300 0 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 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

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

High aspect ratio hexahedral mesh optimization solver?

I am interested in evaluating mesh optimization solvers that converge to high aspect ratio unstructured hexahedral grids. In other words, I am interested in a solver that optimizes warpage,...

26 February 2021 7,279 2 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How do I transfect a large plasmid into PC12 cells with nerve growth factor (NGF) receptor?

I have a large 16 kb plasmid, which I need to transfect into PC12 cells. Lipofectamin 2000 didn't work and with GFP alone the transfection rate is very low. I also tried the neon invitrogen...

25 February 2021 6,635 5 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View