Pollen of Golden duranta flower

Duranta – Yellow Foliage. The most common form of hedging Duranta is “Sheena’s Gold”. It’s striking for its yellow foliage. It has a dense habit and is happy to be kept as a low to medium size hedge. … More often it’s used as a feature plant or as a striking companion hedge to a green hedge like Murraya or Box.

Freshwater organism- Seed Shrimp

Many different species of Seed Shrimp live in vernal pools. They come in many colors. They have a single eye. The body of a Seed Shrimp is protected by two shells that form its carapace. The carapace resembles a seed, so they are called Seed Shrimp. The body inside the carapace is short with two…

Spores of Fern

Ferns are reproduced from spores that are gathered in clusters called sori, which are usually on the underside of the fronds. The spores can be yellow, green, brown, or black. The sori are sometimes covered with a membrane called an indusium, which will lift up when the spores are ripe.

Fungus

The fungus was isolated from a plates exposed to air and the slide was prepared using no stain. the identification part is still going on.

Pollens of Firebush (Hamelia patens)

Pollens of Firebush (Hamelia patens) look like water droplets through the Foldscope. Approximate size of the pollen is 38 microns. Firebush is a commonly found plant in gardens.

Vulvovaginal Swab

Above is a foldscope image of a vulvovaginal sample collected from a human subject (with written consent to share publicly). Vaginal health is an important part of a woman’s overall health. Imbalances in vaginal health can have serious consequences, including but not limited to infertility and viral infections. Common vaginal health problems include sexually transmitted…

Extracted Comedone

This is a magnified image of an extracted blackhead. My roommate’s boyfriend was sitting in front of the mirror popping his pimples. We were excited to investigate what these ubiquitous follicle invaders looked like close-up. Thank you to Joe for the sample! The scale bar was estimated by calibrating the foldscope using manually delineated 1…

Workshop on Foldscope at Meghalaya, India

The prop roots of Ficus elastica (rubber tree) are trained over 15-20 years to form the natural living bridge to cross rivers and streams found in Meghalaya. The bridges grow to approximately 50 to 100 feet long and have strong and deep interwoven prop roots providing a boat-shaped foothold. A workshop on Foldscope has been…

I can’t be-leaf it!!! A survey of the leaves on Stanford campus

We observed various types of leaves we could find on campus using the Foldscope. Pictures were taken with the Samsung Galaxy S8. The scale bar was obtained by imaging a caliper set to 0.2mm, obtaining the distance between the calipers on the image, then creating a 100um scale bar that is half that distance. The…

Pollen explorations of Thuja

Here in India Thuja plant is considered an auspicious tree/shrub – Morpankhi and is linked to knowledge diety and I remember keeping its twigs in between book pages as a child. The male cones were plucked and pollen isolated to see under foldscope. Thuja – an evergreen, coniferous tree belongs to family cupressaceae ( Cypress…

A microscopic feast: Exploring Korean BBQ

We decided to closely examine our food on a recent trip to Gen Korean BBQ (2540 W El Camino Real, Mountain View, CA 94040, May 5, 2019, 12:31pm). There, we ate (and observed) shrimp, kim chee, seasonings (monosodium glutamate), Bos Taurus (beef), and Sus scrofa domesticus (pork). First, we examined the antennae of shrimp. In…

Vomiting Ladybug Larva

This ladybug larva was collected on the steps near an oak tree on Stanford’s engineering quad. Ladybugs are known to regurgitate meals if they turn out to be toxic.

Shrimp abdomen and tail samples

We took samples of small sundried shrimps of the were put in a slide and observed with the foldscope. The two images shown views of samples from the abdomen and the Lateral ramus part of the tail. We  observe how the samples from the abdomen are mostly translucent and most the back illumination for the…

Pollen Sample from a Rosa ‘Iceberg’ Flower

This image is of pollen from a Rosa‘Iceberg’ flower. The image shows pollen shaped like seeds and colors varying between dark brown and golden. The golden color is possibly due to nectar mixing with the pollen or it could be the natural color of the pollen. The pollen is clumped together in the center of…

Pollens of Calabash (Lagenaria siceraria)

Photographed and measured the pollens of a Lagenaria siceraria plant using the Foldscope. The plant also called as calabash, bottle gourd, or white-flowered gourd. Pollen size around 60 microns and beautiful!

Germinating pollen of Mahogony flower

Pollen germination was seen in several pollen of the mahogany flower that were released on teasing the anthers. The pollen were dusted on a slide, covered and observed using a foldscope attached to an iPhone. Long pollen tubes arising from the germ pores were closely observed.

Pollen of Mahogony flower under foldscope

Indian mahogany (also called Red cedar) is botanically known as Toona ciliata. It is a large deciduous tree belonging to family Meliaceae (Neem family). In Chandigarh these trees can be occasionally spotted. I had gone for my car repair, where I spotted this tree in full bloom near the car market. I collected the samples…

MAIZE RUST

COMMON RUST OF CORN, CAUSED BY Puccinia sorghi . SymptomsSymptoms of common rust often appear after silking. Small, round to elongate brown pustules form on both leaf surfaces and other above ground parts of the plant. As the pustules mature they become brown to black. If disease is severe, the leaves may yellow and die…

Do bacteria collide with each other while swimming?

On a hot day in a busy swimming pool, I am often clumsily found paddling my way bumping into people. So it’s obvious to ask – do bacteria swimming around in water collide with each other. This is not such a simple question after all. Offcourse it should depend on how many bacteria are present…