What pH condition required to coat APTES on silica coated Fe3O4?

It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?

26 February 2021 1,760 8 View

What condition required for coating of Fe3O4@SiO2 by using APTES?

I tried coating Fe3O4@ SiO2 by using APTES in 5% water-ethanol but it is not coated. Kindly suggest a solution for it. Thanks

24 February 2021 5,992 4 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

Is it possible to design digital all pass filter for specific frequency range of the system?

I would like to know, Is it possible to design digital all pass filter for specific frequency range of the system to alter the phase of the system in that specific range of frequency? If yes how...

26 November 2020 1,402 5 View

In some CP patch design the polarization changes for LHCP to RHCP, What should be the possible reasons?

I have designed a dual print dual cp antenna, identical patch on both side of the substrate (placed side by side), on analysis, it is found it is showing LHCP in one band and RHCP in another band....

04 August 2020 5,136 3 View

In dual band antenna why the gain in upper band decreases?

In some printed antenna designs, generally, the gain in the upper band is larger than the lower band. However, in some cases (in my design having printed circle on both side of the substrate like...

03 August 2020 5,802 5 View

How to cap the maximum amount of reinforcement addition to make a polymer to be thermally conductive?

Addition of reinforcement with very high thermal conductivity (ex. graphene) would enhance the thermal conductive value of the developed polymer composites. How would one cap the maximum weight...

21 June 2020 9,303 11 View

We are facing rotten problem in kesar mango near mouth of it. What may be reason for that?

We are doing natural farming of kesar mango. This year we are facing rotten problem in mango near mouth of it. Last year it seems good. For this reason we are facing problem in selling if it....

02 June 2020 5,277 7 View

In COVID-19 modeling estimates for India by CDDEP, Johns Hopkins, and Princeton, what decideds peaking and decay?

COVID-19 modeling estimates for India have been presented by a team of researchers affiliated with CDDEP, Johns Hopkins, and Princeton. The results described in...

28 March 2020 1,623 2 View

Up to what temperatures can nCovid-19, novel corona virus survive?

The question does not require much explanation. Interested to know if there is some study on overall pattern of temperature range of permanent inactivity of various viruses and bacteria of all...

10 March 2020 8,749 44 View

Are there any fast-acting, long-term fixatives compatible with FISH?

I'm looking for a fixative that works quickly but you can safely store cells in for a longer period (i.e. a few hours). Most importantly it must be able to fix chromatin well and be compatible...

03 February 2021 7,659 7 View

Why doesn't semen analysis usually use darkfield microscopy?

From examples I've seen online, brightfield has too-low contrast and phase contrast has large (diffraction?) halos that can look like noise.

15 January 2021 3,155 1 View

What is the difference between endometriosis and ovarian cancer in terms of signaling pathway?

Hello Recently, I am curious to know about mechanisms of endometriosis and signaling pathways. I have a question about the difference between signaling pathways in benign tumors and malignant...

26 October 2020 3,891 6 View

Mymensing med J 2014 Oct;23(4):770-773. I am one of the co-author but research gate showing different name. What is the solution?

I have already mentioned that i am one of the author of Mymensing med J 2014 Oct;23(4):770-773. Article titled "Association of infertile patients having polycystic ovarian syndrome with recurrent...

04 October 2020 2,148 1 View

Can RG Members Comment on whether Infertility in Men is associated with Tight Pants versus Loose Pants?

Male Infertility is a major public health concern worldwide and there had been heated debates to date on the above question; in other words is Boxers vs. Briefs related to Increasing Sperm Count...

21 September 2020 2,398 12 View

A comprehensive guide for reproductive engineering techniques in mice?

Dear everyone, I'm doing research on infertility and need to collect sperm from male mice's caudal epididymis. Sometimes the results are good but sometimes we can not get any sperms. I have been...

20 July 2020 215 3 View

Does anyone know if the Y-maze test can be repeated in the same mice at different time-points?

I am testing J20 mice (AD model) in the Y-maze and I would like to see the progression of the cognitive decline by testing at early and late stages of the amyloidosis pathology. However I have not...

20 July 2020 6,989 3 View

Can you do a knockin and knockout using CAS9 at the same time for mice and rabbits?

I am working on a project where I am trying to knockout a gene of interest then knockin the same gene but from another species to determine if it can still produce viable proteins using...

06 May 2020 5,648 0 View

Can natural or organic products completely substitute for components of semen extender for cryopreservation?

Could an extender for semen cryopreservation be completely organic, owing to the growing interest for organic agriculture and safety concerns?

02 May 2020 3,696 1 View

Which mapping function is preferred for linkage map construction; Haldane's or Kosambi mapping function?

Which mapping function is preferred for linkage map construction; Haldane's or Kosambi mapping function? What are the effects of each one on the resulted linkage groups?

03 April 2020 8,390 2 View