Diplodinium in rumen fluid

DBT Foldscope scheme – “Foldscope for diagnosis of rumen acidosis and parasitic infection in cattle” Rumen fluid was collected from a healthy cow. Smear was prepared with one drop of rumen fluid, stained with methyl green and visualized under foldscope. Protozoa under the genus Diplodinium was identified. Morphology of Diplodinium is large rounded body, thick…

Observation of Parthenium weed- anther and leaf

College : CMR National PU College, ITPL, Bengaluru Sample: Parthenium hysterophorus Site of sample collection: University of Agricultural Sciences, Bangalore Date of Collection: 18 June 2019 Date of Observation: 21 June 2019 Students involved: Malavika Rajesh, Ramya Nambiar, , Gopika Anil, Shwetha Santhosh Parthenium hysterophorus is a noxious weed in America, Asia, Africa and Australia….

Moss under Foldscope

College – CMR National PU College, ITPL,Bangalore Sample- Mosss growing on a wall at University of Agricultural Sciences, collected on 18/6/19 Sample observed at CMR National PU College on 21/6/19 by II PUC students On our trip to the University of Agricultural Sciences, we observed moss plants growing on walls of one of the premises…

Visit to University of Agricultural Sciences, Bangalore

College- CMR National PU College, ITPL, Bangalore Students of II PUC visited the University of Agricultural Sciences, Bangalore on 18 th June as a part of foldscope project. The University Campus is a wonderful amalgamation of green cover and modern amenities and facilities. We visited the Department of Horticulture where we were explained the process…

Stamen- With pollen inside pollen sacs

I recently came across a flower, with pink petals, and a conical strcuture as the central whorl full of small and minute stamen. I couldnt pluck the flower, but using the forceps, I took out a bunch of stamen. I observed distinctly the filament, and also while observing the anther, I saw certain portions with…

Filamentous Algae from an artificial pond

I recently was exploring a Herbal Garden maintained by the municipal corporation near my home. It has a small lotus pond, which blooms for some part of the year. I found filamentous layers of certain algae near the surface and I picked a small sample from them. I made a slide out of it, and…


Tomopteris is a marine planktonic group of polychaete worms. They are very common in all they oceans and seas, many of them living in the deep-sea. All of these tomopteris species emit blue light, called luminescence. Tomopteris helgolandica emits also a yellow light. All Tompteris are transparant . It feeds on other plankton members. (…

Fungus grown on bark

I came across this fungus growing on dead bark of betel nut tree. I picked few fungus, observed there and then using paper slide and cello-tape which I carry in my foldscope kit. I collected the bark sample to prepare the slide of the fungus using Lactophenol blue stain for identification.


Spherical colonies of bright green Volvox cells rotate in unison


Introduced Foldscope for Trainees, KILA- Training Programme on Waste Management for Urban Local bodies.

Translation of Foldscope Instructions in Tamil

Learning in local language is easier and makes the learner independent. Foldscope being a frugal innovation it needs to be taken to the mass. Language should not be a barrier for the user. Especially for the young minds, understanding in their own language makes them explore and think beyond. Our Foldscope team lead by Dr.Uthra...


Eyes of lucifer- a prominent part of body Thorax region


Observed this bunch of foraminifera on a permanent slide.

#IRTC- Foldscope One day workshop to form Resource Persons in Palakkad district

On 8th June2019,IRTC has conducted One day workshop on assembly and use of foldscope to a team called ‘Balavedi’ of the Organisation Kerala Sasthra Sahithya Parishad,those who are constantly interacting with children in their locality. By this workshop, we could form a resource group to introduce foldscope as an education tool among students. A total…

Holotrich Protozoa identification in a field setting

DBT Foldscope scheme – “Foldscope for diagnosis of Rumen acidosis and Parasitic infection in cattle”. This post is in response to Manu Prakash’s comment on our previous post (Holotrich protozoa – from Rumen fluid). Rumen fluid was collected from an healthy cow  (Figure 1) in a sterile container (figure 2).  A drop of rumen fluid was…

Foldscope Workshop in Govt. P. G. College, Sehore, Madhya Pradesh

Postgraduate students of Govt. Chandrashekhar Azad post-graduate college sehore participated in the one-day hands-on workshop of Foldscope and its uses on 15/11/2018. The students were enthusiastic as they want to work on the aquatic microbiology but because of the limitations of the conventional microscope, they were constrained to work with the limited number of microscopes…


Osmium sanctum A common plant in India, Tulsi can be easily found in Indian homes. Image attached shows you the pollen of Tulsi plant with the help of a foldscope.

Anatomy of a hibiscus flower

Every day as I walk out of my residence here in Cape Town, I pass by this brilliant hibiscus flowering tree. Oftentimes I’ll snatch a flower down just to add some natural color to my room, and I was so wowed by the different parts of it I saw under my Foldscope: And below, pollen…


Department of Environmental Science, University of Calcutta, organised a one day workshop on Foldscope, at Railway Higher Secondary School, Alipurduar, West Bengal, India, on 8th May 2019, in collaboration with Jagadis Bose National Science Talent Search. Introductory Session- The workshop started with a basic introduction to the microscopic world and microscope to the participants, after…

Aphid juvenile

Aphids are small sap sucking insects and member of superfamily Aphidoidea.  Aphids are the most destructive insect pests in temperate regions . They are commonly known as greenfly and black fly. Flightless females are giving birth to female nymphs without the involvement of male.

Antenna of cricket

Crickets have a pair of  long slender antennae arising from cone-shaped scapes (first segments) and just behind of antennae, there are two large compound eyes. Insects use antenna as a sensory organ.

Cercus of cricket

Crickets belong to order Orthoptera. They have a pair of cercus at the end of the abdomen. The cercus is a pair of appendages at the end of the gut of some insects and other arthropods. Many forms of cerci serve as a sensory organ, but some serve as pinching weapons. In many insects, they…

Leg of termite

Leg of lady beetle larva

Lady beetle belongs to order Coleoptera. These are considered as useful insects because they prey on aphids or scale insect pests. Larva of lady beetle has long bodied with six legs. With the help of legs it can move from one location to another on plants in search of predators. Larva is a voracious predator…