Hands-on-training workshop conducted on Foldscope

Hands-on-training workshop was conducted on foldscope, at Hongirara school of Experience (Karnataka), as a part of Atal Tinkering Lab initiation, where the PUC students were taught about microscopy. The students was also educated about different microscopes for viewing microscopic structures. The students were trained on the usage of low-cost frugal paper microscope, i.e. the foldscope….

Aspergillus species stained with lactophenol cotton blue

The spores on mango kernels are stained with lactophenol cotton blue solution and observed under foldscope. Lactophenol cotton blue stain is formulated with lactophenol, which serves as a mounting fluid, and cotton blue. Organisms suspended in the stain are killed due to the presence of phenol. Cotton blue is an acid dye that stains the…

Fungal infection of mango leaf

By Vidya GA, Sharanya Rao, Soumitra Banerjee The mango leaf was found infected with fungal disease. The infected parts were observed under foldscope. Literatures suggests that different kind of fungal diseases like phoma blight, anthracnose, red rust, mango malformation, shooty mould etc, may occur on mango leaf surface. This kind of fungal infestation may cause…

Tar leaf spot- #Indiafoldscopephase 1

At Jyothy Institute of Technology (Bangalore) farm, infected leaves were found as shown below On both sides of leaf surface numerous small, superficial and blackish distinct tar like spots which  surrounded by yellow zone were observed. Along with the tar spots, there was light yellowish stroma and mats of hyphae of fungus were found on…

Identification keys of storage pest: Drug store beetle- #Indiafoldscopephase 1

Infestation found in: Coriander seed Fig. Infested Coriander spice Macrostructure image of infested pest: Fig: Infested pest found in Coriander spice Assumed pest: Drug store beetle (Stegobium paniceum) Morphological characteristics ( as observed under Foldscope) Antennae ending with three enlarged segments(Fig 1) Elytra have rows of pits giving them a striated (lined) appearance (Fig 2) Five segments…

Workshop on Foldscope and Its Applications- #Indiafoldscopephase 1

Place:  Vijaya Composite Pre-University College, Jaya Nagar 1st Block, Jayanagar, Bengaluru, Karnataka 560011  Audience: High school students (more than 125) and Faculty (8 faculties) Date: 04.08.2018                         Samples studied: Insect sample Leaf and flower samples Dirty water sample This post is open to read…

Viewing of Bacteria isolated from soil-#Indiafoldscopephase 1

Bacteria were isolated from soil collected from the nearby field. A known weight of soil sample was diluted in distilled water and the standard protocol was followed for pure culture isolation. The obtained pure culture was diluted with sterile water and gram staining was done using the diluted sample. After gram staining, the slide was…

Viewing Baker’s Yeast-#Indiafoldscopephase 1

Dear Sir, We are viewing “Baker’s yeast” sample, using Foldscope, stained with Gram stain. We are able to get a clear vision of the yeast cells after gram staining. Fig. 1: Stained Baker’s yeast slide under foldscope Kindly let us know, how to estimate the microbial load using foldscope? Can we use slide A1 and…