Why should we store AgNPs at 4 degrees ?

More Drishti Garg's questions See All

How to deal with aggregated Nanoparticles?

I am making silver Nanoparticles using neem leaf extract and it showed proper color like green, yellowish brown, reddish brown and colloidal brown. I know the Nanoparticles are aggregated. How...

01 February 2019 9,422 5 View

Why am I getting peak of silver Nanoparticles made using neem leaf extract at about 380 nm instead of 420 nm?

I have made silver Nanoparticles using neem leaf extract. I have adjusted the ratio as 3 ml neem leaf extract and 7 ml 1mM AgNO3. Please tell why the peak is coming at 380 nm (approx.) instead...

01 February 2019 7,479 4 View

I want to buy Hydrothermal Synthesis Autoclave from any European company. Can anyone suggest any company inside Europe?

Thanks

22 July 2024 1,143 3 View

Hi dear researchers, do you suggest the best and shortest path for chemical synthesis and green synthesis of magnetite(Fe3O4)?

Suggest the best and shortest route for the chemical synthesis and and green synthesis of magnetite(Fe3O4) The chemical synthesis should contain the least dangerous chemicals along with full...

21 July 2024 2,476 2 View

Im trying iodination of an arene, but only getting black precipitates, is there anyone with iodination experience who can advise?

Organic Synthesis. My student has been trying iodination of arenes (our goal is to iodinate p-phenylenediamine) following these literature procedures: 1. Synthesis 2004, No. 11, 1869-1873 using...

16 July 2024 6,630 1 View

What could be the possible reason that sintering of polycrystalline diamond fabricated with tape casting has suddenly started failing?

I make polycrystalline diamond with tape casting followed by HPHT sintering. When i sintered the samples up till May, the sintering was good. When i sintered the samples in June and July at the...

16 July 2024 3,212 5 View

Why is my HPRT1 housekeeping gene not coming at same Ct in qPCR?

I am doing qPCR but my HPRT1 Ct is not coming at the same point. I see a 2 cycle spread in Ct. I have checked my RNA quality A260/280, 230/280 values, did ethidium bromide gel. I used superscript...

04 July 2024 5,605 3 View

Is DNase I (RNase-Free) necessary to be used before cDNA synthesis?

I want to isolate RNA from bacillus subtilis using the QuickRNA Fungal Bacterial Miniprep Kit from Zymo Research and further reverse transcriptase to cDNA using the ReverTra Ace qPCR RT Master Mix...

27 June 2024 2,951 5 View

How do I ensure form of nano-particle when I trial for nanoparticle synthesize experiment ?

Suppose, a new metal nanoparticle synthesis process is carried out in my lab. And then, by which physical or lab tests confirm its nanoparticle confirmation ?

26 June 2024 6,940 2 View

Curcumin encapsulation in Bovine Serum albumin (BSA)?

Hey all what are the ways by which an encapsulated drug inside BSA may escape from its encapsulation. We had synthesised curcumin encapsulated BSA by desolvation method followed by centrifugation...

23 June 2024 8,785 5 View

How to weight this chemicals to mix up to make zeolite 13X-Tio2 with Fe doped?

I use molecular sieve 13X and Iron nitrate powder Fe(NO 3)3 • 9H2O. and commercial TiO2. I need to prepare 8% Fe, 8% TiO2 containing with zeolite 13X. I want to use this method below: WET...

17 June 2024 4,153 2 View

How can I remove potassium carbonate from amino acid condensation reaction?

My amino acid condensation reaction (the reagents do not have protection groups) utilizes K2CO3 as a base. K2CO3, the resulting peptide product and unreacted amino acids all have decent solubility...

16 June 2024 7,723 3 View