Anybody has done LCMS analysis for dyes and pigments ?

I need to do analysis for following Dye and pigment samples by LCMS . 1]Reactive orange 131 Dye 2]Red 49K 3]Reactive Red 241 4]Yellow 9K

03 April 2019 9,367 5 View

How to transfer i Phone 6 music files to PC using i tunes?

How to transfer i Phone 6 music files to PC using i tunes? Please suggest the steps on win 10 environment.

11 December 2018 5,870 1 View

What health problems does polar region people facing?

What health problems does polar region people facing?

11 December 2018 5,941 3 View

What is the solubility of Pigment Red 170 for LCMS analysis?

What is the best solubility of Pigment Red 170? Please give a refernce.

10 November 2018 3,563 4 View

Does anybody has reference article on sodium formaldehyde sulfoxylate by HPLC?

I wan work on sodium formaldehyde sulfoxylate by HPLC and then Mass Spec If anybody has reference article for it please share. Thank you

10 November 2018 2,856 4 View

How much approx time to take a new drug to come in market from its synthesis to actual use as medicine to the patient?

How much approx time to take a new drug to come in market from its synthesis to actual use as medicine to the patient

09 October 2018 6,317 0 View

How mass accuracy get defined by Instrument?

What process is going on while deciding mass accuracy in mass spectrophotometer Instrument?

09 October 2018 2,241 1 View

How expiry date for medicine defined?

how expiry date for medicine defined

09 October 2018 8,652 0 View

What are the Hygroscopic liquids, give few examples?

Hygroscopic liquids

08 September 2018 7,702 5 View

How to define LOD, LOQ and liniarity range from Cmax value of drug?

I need calculation for defining LOD, LOQ and liniarity range from Cmax value of drug with suitable example.

08 September 2018 8,652 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

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 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

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 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

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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