A Unique collection of Heteroptera from Chandubi Lake, Guwahati

A visit to Chandubi lake , a place of scenic beauty  along with Cotton University students for water sample collection for Dr. Shamim Rahman’s DBT-Foldscope project turned out to be a Jackpot for me too. I along with my project assistant Ms. Santana Saikia and few other students of M.Sc.-  Anindita, Rubina and Rohit started…

Twinning workshop

A twinning wokshop on Foldscope at Grren Valley School, Andhra pradesh

Plant parasitic Nematode

Plant parasitic nematode isolated from the soil of sugarcane field  (coimbatore, Tamilnadu). Nematodes are the most numerous multi cellular animals on earth. A handful of soil will contain thousands of the microscopic worms, many of them parasites of insects, plants or animals.  

Ectoparasites on Rodents – Rats.

A Rat in a trap. It is euthanized as per AVMA Guidelines for the Euthanasia of Animals Name(required) Email(required) Website Message The Rat is laid on a table for basic identification and measurements. The ears are being examined for Ectoparasites The collected ectoparasites are being put in 70% Alcohol for short-term preservation. More collections being...

Observation of Methylene Blue-stained Cheek Cells using Foldscope

Human cheek cells can be observed under a microscope after staining with methylene blue dye. Since methylene blue (cationic in nature) binds with DNA and RNA (anionic in nature) by electrostatic means, it gives a darker blue color to nucleic materials as represented in the image given below. This procedure and foldscopic exercise can be…

Tardigrade under Foldscope

After the tardigrade sample collection (mentioned in a previous post), the dry samples of lichen were soaked in water overnight. Then water samples and lichen samples were observed under the Foldscope. We could observe many micro organisms and also tardigrades. Some of these beautiful creatures appeared transparent under our Foldscope and some showed brown colouration.

Observation of Stained Blood Smear Using Foldscope

The blood smear was stained with Leishman stain and observed under the foldscope thereafter. The Leishman stain consists of two chemical groups, i.e. Azure B (basic dye) and Eosin Y (acidic dye). The erythrocytes stain pink in color due to Eosin Y as hemoglobin is eosinophilic (acidophilic), whereas the Azure B is a cationic dye…

Congress grass and insects on it

Congress grass is one of the most wide invasive plant in Manipur.  They are weeds without used and seem to cause allergic reaction when touch.  In an attempt to see the pollen grains a branch of flower twig was taken and prepare the pollrn but aphids and thrips are seem to be sucking the sap…

Twinning programme with North East PI

PI and Co-PI of DBT-Foldscope project , Kabo Nazrul Vidyabhan, Telimura, Tripura with their students  visited  to our Department and participated the workshop “Foldscope as a study and research tool “. In the 2nd half students of both Institutions visited a pond of ward no. 3 of Alipurduar municipality and learnt how to collect water…