What are the limits of adsorption energy for the Dubinin-Raduskevich model for the processes in which the retention takes place th

More Laura Bulgariu's questions See All

Does anyone have a sequence for the human CD34 promoter?

I'm looking for the human CD34 promoter sequence to engineer into a vector construct. Can anyone recommend a good source for this sequence? Thanks very much, Laura

25 February 2021 8,205 1 View

Quantifying leaking DNA from bacteria - what's the secret?

Hi, all! I need to determine if my treatment causes membrane damage in bacteria (S. aureus and E. cloacae), but I cannot use a fluorescent probe such as PI and similar ones because my compound is...

24 February 2021 2,006 2 View

Is anyone else having a similar situation?

I'm looking for the genetic sequence for the TAR region of HIV. If I put Transactivator Response Region, and HIV, and "genetic sequence: into a browser...is it not unreasonable to expect to be...

10 February 2021 658 5 View

Can a mRNA be degraded but still observe a protein over-expression?

Hello there, I'm currently trying to over-express a gene by transfecting the cells with a pcDNA6 plasmid containing my target gene. When I measure the mRNA for my gene of interest, the levels are...

03 February 2021 4,112 4 View

Are there any solutions for remote eye-tracking?

Since with the pandemic it doesn't look like we are going back to the lab soon, in my lab we were looking for solutions to conduct remote webcam-based eye-tracking. I've been looking at...

31 January 2021 7,315 5 View

Sample Size for Quasi-Experimental Quants using one-tailed t-test?

Hi, sorry I'm stumped. I'm going to do a study on the leadership styles (using the MLQ Form 5X) of minority women administrators in medical schools. How will I calculate the sample size? Thank...

30 January 2021 2,865 4 View

I'm curious whether there is any research available on the use of AI related to diversity&inclusion (efforts)?

I'm looking for studies or conceptual papers on the (potential) uses of AI for enhancing diversity and inclusion within organization. The biases concerning the use of (big) data are known and...

18 January 2021 4,222 4 View

Where can I purchase NanoLC emitter fused silica picoTip?

Hi, I'm working with NanoLC/MS for both Metabolomics and Proteomics. We usually make our nano columns using emitters from NewObjective. Unfortunately New Objective, due to the pandemic, is now...

10 January 2021 1,176 4 View

What can be the reason of having high Cq-values for reference genes?

Hi, Once again I am facing an annoying problem. This time in my barley qPCR, I am trying to detect a virus (BYDV) in plant samples. I get rather high Cq-values for 2 of the 3 reference genes...

06 January 2021 4,685 9 View

Thawing or defrosting methods for frozen soil samples?

I have soil samples that have been frozen for a while and I need to re-acclimate them for a series of analyses that require incubation at 25C. I have been looking for laboratory methods but seem...

04 January 2021 4,862 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

Is it possible to set a breakpoint at a specific DYNAMIC instruction using the GNU Debugger (GDB)?

Using GDB, it is straightforward to debug and monitor a target program by setting a break-point at a specific instruction, since the instruction addresses are known. However, we have two...

24 February 2021 1,598 2 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

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

21 February 2021 7,561 4 View

How can we study the adsorption efficiency of microgel at the oil-water interface?

I am studing the mircogel at oil-water interface. I want to know the adsorb amount of microgel at the oil water interface. How we can determine this amount?. I will highly appreciate your...

19 February 2021 2,787 1 View

Measurement of water retention in organic substrates without a pressure plate?

Hello, I'm trying to measure the physical and hydrological properties of organic substrate media. Currently, I'm referring The book Soil sampling and Methods of Analysis by Carter and Gregorich....

09 February 2021 3,233 8 View

NVT or NPT is preferable for gas adsorption simulation ?

Hi there, In order to perform molecule dynamic simulation on gas adsorption on substrate materials, NVT or NPT ensemble is preferable ? Thanks!

08 February 2021 173 1 View

How do you prepare a porous crosslinked Polyvinyl alcohol and Glutaraldehyde membrane or film?

I am trying to prepare a Polyvinyl alcohol membrane for carbondioxide adsorption

08 February 2021 7,493 3 View

Firoz Kalam

The adsorption energy or characteristics energy E depends on the stronger or weaker covalent bond. It can be explained after having data from experiment in terms of the limitations of energy u r asking. For your reference go through the following book

Adsorption Analysis: Equilibria and Kinetics

Duong D. Do