Any photos or images on the develoment of Chara or Nitella?

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What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 View

How to give port for printed log periodic dipole array antenna in CST?

PLPDA have radiating element on both sides of the substrate. so how to apply port. i have attached the figure below.

03 January 2021 4,005 6 View

I want to design a printed log periodic dipole array antenna on only one side of the substrate. is this acceptable one ?

actually for PLPDA, it is designed on both sides of the substrate for providing 180 degree phase shift between the elements

28 December 2020 3,148 3 View

How to isolate the pure Ruthenium DMSO complexes from the reaction mixture?

The reaction between N-S bidentate/ONS tridendate ligand (TSC) and cis[RuCl2(DMSO)4] in ethanol by reflux is complete as seen from TLC chromatography. But removing the excess solvent through...

27 December 2020 6,630 1 View

What may be the reasons for broad spectrum in proton NMR (taken in DMSO-d6) for Pd(II) complexes?

The synthesized Pd(II) complexes involved -NH group attached to C=S moiety. The 1H proton NMR taken in DMSO-d6 solvent consisted of a very broad peak at 4.8 ppm with an integration of 6. They are...

09 December 2020 4,340 3 View

What may be the reasons for broad spectrum at 4.8 ppm in proton NMR (taken in DMSO-d6) for Pd(II) complexes?

The synthesized Pd(II) complexes involved -NH group attached to C=S moiety. The 1H proton NMR taken in DMSO-d6 solvent consisted of a very broad peak at 4.8 ppm with an integration of 6. They are...

09 December 2020 9,960 3 View

How to change the protein chain names X into A, B, C, D after MD simulations in Gromacs?

I am running MD simulations for holoenzyme in Gromacs. The protein has four chains like A, B, C, D. After MD simulations, All the chains are showing as X chain in VMD and even in the PDB file....

12 November 2020 6,228 1 View

I am electroplating Ni on a stainless steel. At temperature and time should I anneal so that Ni thermally diffuses into stainless steel?

I am electroplating Ni on a stainless steel for abrasive application. At temperature and time can I anneal so that Ni thermally diffuses into stainless steel? My intention is to improve the...

20 October 2020 7,092 3 View

How to visualize cells seeded on Millicell-HA transwell?

Hi, I am working with Millicell-HA transwell to culture HCE-2 cells. But as the transwell in opaque, not able to visualize the cells. Can someone help me? Thanks in advance.

14 November 2019 3,573 1 View

Can anyone help me to get all the variables imported in NLogit?

While i try to import the data from excel files to NLogit 4, only 18-19 variables being imported and the rest 6-7 variables is missing in the imported list. I have tried in changing the memory...

12 November 2019 9,760 1 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View

Can anyone help with Schistosoma identification?

Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...

25 February 2021 7,760 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

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View