Whats the minimum landscape unit for estimating ecosystem service value?

is it possible to estimate ecosystem service value for small units of agricultural land or wetland? . for example, how i can estimate the change is ecosystem services and its values when one...

14 February 2017 4,673 11 View

Can anyone help to identify the attached otolith, fish scale ( may same species) sorted from oceanic squid stomach ?

Can anyone help to identify the attached otolith, fish scale ( may same species) sorted from oceanic squid stomach ?

22 September 2016 5,080 3 View

Among the various globally adopted mix design methods for self compacting concrete which is the most widely used in recent times?

Recent practise of self compacting concrete mix design.

28 October 2014 2,280 2 View

How can I assess the quality of DNA extracted from FFPE tissues?

I have extracted DNA from FFPE tissues (7 - 9 years ago) using Qiagen FFPE kits. I measured the DNA concentration by nanodrop and loaded ~16-20ng DNA to 1.5% gel, but it seems to me there's...

09 October 2014 2,292 4 View

Is there any treatment methods available for plastic coarse aggregates for fire resistance?

Is there any treatment methods available for plastic aggregates (polyethylene) used in concrete for fire resistance? (example: like steel rods are coated to prevent it from corrosion)

01 August 2014 3,427 2 View

Can anyone help with human neutrophil extraction?

I want to isolate human neutrophil after getting the PBMC first. I first put the diluted blood (2ml blood with 2 ml PBS) onto the ficoll paque to extract PBMC. The I took out the bottom red...

28 April 2014 4,210 10 View

Labeling proteins with carboxylate fluospheres using EDC

I am trying to find a working protocol to label some proteins (commercially purchased) with carboxylate modified fluospheres (20 or 40 nm size). I figured out that this can be done using a EDC...

31 May 2013 2,923 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

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

Amorphous silica XRD peak at around 10 degree?

21 February 2021 3,417 5 View

How can I simulate the optical absorption spectrum of a biomaterial (like DNA or protein) in COMSOL?

I need to simulate the optical properties of a biomaterial, namely DNA, in COMSOL. Basically I need to simulate the IR absorption spectrum of a cylinder filled with a 'concentration' of DNA. I am...

21 February 2021 3,043 3 View

Unusually Busy Raman Background?

Hello, I am observing a nearly periodic background spectrum for a wide variety of SERS substrates. I see this response (attached below) for bare Au films, Cu films, and Au nanoparticles on...

15 February 2021 9,922 5 View

How to determine the drug loading and the drug release capacity of a polymer micelle using UV spectroscopy?

Currently, I am working on PLA-PEG copolymer micelle for the drug delivery system. I have seen several papers where some researcher talks to centrifuge the drug-loaded micelle to separate the...

13 February 2021 5,822 7 View

Please how can i write a proposal on the methodolgies of AAS to determine heavy metalsin water?

Please I want to write a proposal on the methodologies of AAS to determine heavy metals in water. please any link can help.

08 February 2021 3,587 7 View

Handheld Portable Raman spectroscopy systems - recommendations and experience?

Hi all, I am looking for some general feedback and information from those that have experience using handheld/portable systems? I am looking at the prospects of using an off the shelf system from...

07 February 2021 9,691 3 View