Why O.D value of DNS method for reducing sugar estimation decreasing with respect to time?

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Why does the community engagement strategy not get priority in NCD prevention and control in developing countries?

NCDs are increasing alarmingly even in developing countries. Need to take participatory policies for prevent and control of NCDs.

30 July 2024 7,942 3 View

GC-MS calibrated for 16 EPA PAHs. Last 3 compounds show poor linearity. Response decreases. How to improve?

I have calibrated my GC-MS for 16 EPA PAHs using available methods. However, the last three compounds (Indeno[1,2,3-c,d]pyrene, Dibenzo[a,h]anthracene, and Benzo[g,h,i,]perylene) are not showing...

13 May 2024 4,966 2 View

How to Convert µg/mL standards to ng/m³ for PAH analysis in air via GC-MS?

Researchers typically use micrograms per milliliter (µg/mL) standards to calibrate gas chromatography-mass spectrometry (GC-MS) instruments for the analysis of polycyclic aromatic hydrocarbons...

12 May 2024 6,259 5 View

While doing propeller transient simulation on Ansys fluent, rotating zone contours corrupted. What is that reason?

I'm doing 3000rpm drone propeller computation on ansys fluent. First 1500 iteration steady state mrf zone is computed with SST k-w turbulance model. After convergence is done i change it to...

24 February 2024 9,935 1 View

How to calculate polydispersion index of a nanoparticle size? and does a PDI of 0.5 consider acceptable?

PDI value

30 November 2023 7,099 3 View

Is there an alternative chemical to ethylene glycol for IHC cryopreservation solution?

I am trying to optimize my antibodies for free floating IHC-IF on paraformaldehyde fixed mouse brain sections. I want to preserve my slices in an appropriate cryopreservation solution for later...

19 September 2023 6,240 3 View

How can we develop more secure and efficient encryption algorithms to protect data from cyberattacks?

a standard encryption method that could be used to protect the data since all data are mostly uploaded to cloud now a days , also cybercriminals constantly developing new ways to break...

17 September 2023 2,934 5 View

Does a Post Doctoral from AACSSB accredited institute has value?

I would like to know about the future career prospects for a candidate pursuing Post Doctoral from an AACSSB accredited institute

16 August 2023 5,508 2 View

How can I detach my mesenchymal stem cells from flask?

Hello everyone. About three months ago, I could detach my mesenchymal stem cells obtained from 8-week-old mice with trypsin %0.25 on the 10th day in 3-4 minutes. However, now I can not detach the...

03 May 2023 6,159 5 View

Does anyone having this book as PDF format?

THE ZEBRAFISH BOOK A guide for the laboratory use of zebrafish Danio* (Brachydanio) rerio by Westerfield, Monte

20 February 2023 5,940 1 View

How to prediction 2D to 3D aptamer?

Hello, I have a little problem. Well, right now I only have the DNA aptamer sequence. I went to see the 2D model form with DNA folding. After that, I used RNA Composer to simulate in 3D and used...

30 July 2024 6,794 0 View

Can a photocatalytic degradation of methylene blue from red mud be pseudo- zero order kinetics?

My photocatalyst from solid waste red med. Dye is methylene blue My all parameter study is showing zero order. How to prove it further that the reaction in zero order?

29 July 2024 7,404 1 View

How to determine method detection limit in an analytical method?

I know the difference between instrumental LOD and method LOD but my query is - in case of any sample whose concentration is zero or not detected by the instrumental LOD, is it possible to get...

24 July 2024 6,592 5 View

Sodium azide in immunohistochemistry?

Hello everyone, A collaborator sent us his protocol in order to be able to use his immunohistochemistry kits. But one step contains PBS + 0.3% H2O2 + 0.1% sodium azide. Knowing the dangerousness...

23 July 2024 6,314 3 View

What does negative readings in spectrophotometer denote. Was testing TSS content of bacterial cultures?

I was performing estimation of Total Soluble Sugar content in bacterial cultures by Anthrone method. Out of 9 samples, only one sample showed positive reading while others had a negative reading...

22 July 2024 9,576 4 View

Radar Detection Probabilities using beta distributed Scattering Cross section?

Currently I need to calculate detection probabilities (PD) from radar cross section (RCS) data. Beta distribution parameters for this RCS data are calculated and will be used in Swerling0...

22 July 2024 868 0 View

What is the physical meaning of the magnetic scalar potential?

In cases where the rotational of the magnetic field H is zero, we can define this field as the gradient of a scalar function defined as the magnetic scalar potential (similar to the electric...

21 July 2024 9,633 4 View

How do I prepare a working stock solution of 14C sodium bicarbonate to get a final activity of 3uCi?

I need to make a stock solution for radioisotopic incubations of freshwater sediments to study dark primary productivity but I have some confusion as to how I calculate the concentration of 14C...

15 July 2024 5,898 0 View

How to model a non-minimum phase system?

In deriving a model of an LTI dynamic system, the model of the system does have no RHP zeros, however, when inspecting the step response, it reveals a non-minimum phase system represented by a...

14 July 2024 6,355 2 View

Validated HPLC method for the estimation of the Amphotericin B ?

During the release test of Amphotericin B using 1% Tween 80, i observed three peaks even in the standard. The first peak consistently yielded results around 500%, while the other peaks showed...

08 July 2024 1,330 0 View