What are simple and effective techniques for measuring the amount of Dye loaded in a photoanode of DSSCs?

I need to calculate the amount of dye loaded in a mesoporus semiconductor architecture. Please suggest the best way to find the adsorbed dye estimation. Thanks in advance!

31 December 2017 1,146 3 View

How to calculate aspect ratio of a nanorod from FESEM image?

07 August 2017 2,805 3 View

How to prepare redox electrolyte for DSSCs?

which is the best combination of redox electrolyte for DSSCs? ex. Li/I2 solvent proportion, chemical composition and preparation techniques

03 April 2017 575 1 View

Visible green emiting semiconduction nanoparticle. Will anyone suggest the materials belongs to this regime?

I need a semi conduction nano particles having emission 550-600 nm range beyond gold, ZnS and PbS. please suggest.

09 October 2016 3,847 0 View

Will Sodium dodecyl sulfate break and denature the structure of the proteins?

09 October 2016 9,981 3 View

Saturable absorption to reverse saturable absorption for a same material how it works?

In Z scan Experiment same material exhibits both RSA and SA, both phenomena are different any one can suggest me or send some texts to understand that. Thanks in advance...

06 July 2016 1,618 3 View

Are there any dyes having emission max at 560-570 nm range both n-type and p-type?

I want to study the quenching effect so I need emission around 560-570 nm. The Forster Radius lies between this region will any one suggest both n-type and p-type dyes for this purpose. Thanks in...

04 May 2015 1,926 4 View

Does anyone have experience in calculating crystallite size using (scherrer calculator)X'pert high score plus software?

I am little bit struggled with calculating crystallite size using this software, I want to check with manual calculation. If tutorial available please send me

01 February 2015 6,393 1 View

Does anyone have the culture of halobacterium salinarum strain S9?

I need bacterioruberin free halo bacterium strain if its available please give me microbial collection center name... it will helpful to my primary work

31 December 2014 1,824 2 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 View

IF troubleshooting: looking at an intracellular protein that localizes to the cell's and how to reduce increase in signal due to cell ruffles?

I am currently trying to stain for PI3KBeta in MDA-MB-231 cells. My current issue is that 1) beta stains all over the cell and 2) there is an increase in signal at the edge of the cell and this...

24 February 2021 8,582 1 View

Recommendations on homogenizers for RNA isolation?

I will be performing RNA isolation with frozen lung biopsy samples and am in the market for a tissue homogenizer. I am wanting a homogenizer that will fit in a 1.5ml tube. I was looking at the...

24 February 2021 3,623 3 View

Cloudy/high background western blot - can anyone help me?

Hi everyone! I try to detect VDR protein (~48 kDa) using Western Blot. After SDS-PAGE using 10% MP TGX Stain-Free Gel from BioRad I transferred the protein onto an metOH activated PVDF membrane...

23 February 2021 6,266 3 View

Universal bacterial primers targeting a mRNA?

Hi, I'm looking for universal primers targeting a bacterial mRNA to quatify bacterial load by qPCR in a complexe mixture (eukaryote and prokaryote RNA). Ribosomal RNA being depleted, I absolutly...

22 February 2021 9,969 3 View

How to improve RNA isolation?

Hi, I have been struggling with a weird issue for my RNA samples. I used the Qiagen RNA plus mini kit. For some reason no matter how careful I am with the washes, when I measure the RNA, I get...

22 February 2021 1,286 6 View