anyone know, how to convert cuvette test tube to screw-cap tube in spectrophotometer?

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Can we mark 'EFL Learners shifting from general digital to AI technologies' as technological transition?

After COVID-19 it has seen that EFL learners technological affiliation has raised. In addition, in the post-COVID period learners started to engage AI technologies like ChatGPT while learning...

08 August 2024 8,964 4 View

How to generate a citation of my paper from ResearchGate?

How we can cite the papers from ResearchGate. I am trying to create citations for this article, Quantum Machine Learning Algorithms for Optimization Problems: Theory, Implementation, and...

08 August 2024 6,690 3 View

Does Anyone have expertise in in vitro transcription and RNA pull down assay?

I am currently working on LncRNA; to know the lncRNA-protein interactions I want to do RNA pull down assay, so I need to design primers with T7 promoter. I need assistance in this regard.

07 August 2024 6,622 1 View

How to fix background error in rietveld refinement of one XRD peak using GSAS-II?

I want to refine one XRD peak of my in-situ xrd but the background is never working good which ultimately fails the refinement. How to refine and adjust the background using GSAS-II

05 August 2024 5,291 2 View

How can I add own Henry coefficients in Aspen Plus?

Hi, i would like to simulate an absorption process in Aspen Plus. I want to use the NRTL model und would like to add some individual Henry coefficients. Is that possible and how?

05 August 2024 2,333 2 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Can usage of AI tools like chat GPT in research work is recommendable ?

AI tools like ChatGPT can enhance research work significantly when used responsibly and in conjunction with thorough human oversight.

05 August 2024 1,842 3 View

Usage of internal standards in LC-MS/MS analysis?

Have you ever seen a LC-MS/MS method uses both internal standards and external standards (in matrix matching purpose) but the concentrations of internal standards are outside the calibration curve...

05 August 2024 3,084 6 View

ANY free software for reconstructing neurons in the microscopic image?

Hi everyone, I am working on brain slices for visualizing a protein in the soma and dendrites, using a fluorescence tag. However, I need a tool (not paid) for reconstruction of the whole neuron,...

04 August 2024 4,725 2 View

How effective is the Citi Bloc standard basket in enhancing the accuracy and comparability of international construction cost assessments?

Citi BLOC Standard Basket Definitions: A standardized unit representing a fixed basket of construction materials, labor, and equipment costs priced in various cities. Purpose: To create a common...

04 August 2024 8,997 1 View

AMAXA Lonza nucleofection lower volume of buffer?

Does anyone tried to do nucleofection with AMAXA by Lonza with lower than recommended amount of buffer in the cuvettes (100 ul)?

07 August 2024 4,616 0 View

Is there a method to measure the concentration of Cs, Sr, Co using spectrophotometer?

it's important to know that we are using the inactive elements of Cs, Sr, Co

25 July 2024 1,553 2 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

Hi. Can the absorption measurements of a polymer in a solvent be considered reliable when using a spectrophotometer?

zzz

02 July 2024 918 2 View

Is there an alternative method to quantify glucosinolates?

Hi everyone! I have a little problem finding a method to quantify glucosinolates by uv-vis spectrophotometry without the use of Na2PdCl4. If anyone knows of any alternative methodology I would...

18 June 2024 9,961 0 View

Need to obtain concentration of DNA/RNA?

I need to use a photometer, so i have Cary Agilent and i would like to know what kind of cuvettes and its dimensions and volume i have to order. It's about RNA and DNA samples. Which are you...

11 June 2024 712 1 View

I want determine Iron by spectrophotometer? Anyone know about the spectrophotometric determination of iron and copper, kindly share the procedure?

spectrophotometric determination of iron and copper

04 June 2024 1,720 0 View

NanoDrop 3300 Error 8008?

Hi everyone, has anyone else experienced an 'Error 8008' with their NanoDrop 3300 (image attached), on a laptop which it previously worked fine on? I have tried uninstalling the software and...

02 June 2024 9,025 3 View

Can I determine total flavonoids properly through spectrophotometry from dry plants samples if I only have <loo mg?

I want to determine total flavonoids from plants samples but I am afraid I might not have enough dry sample (weight) for proper determination of flavonoids. is less than 100 mg enough for extraction?

19 May 2024 7,006 4 View

How shall i consider extinction coefficient unit?

I want to determine the conjugated drug to IgG ratio by nanodrop. I know the extinction coefficient of IgG and drug by M-1cm-1 but all the unit in the nandrop program is based on g/ml and so on...

15 May 2024 9,097 4 View