Petri Dish

Petri dishes are shallow, cylindrical, lidded containers typically used in laboratories for the culture of microorganisms. They are named after German bacteriologist Julius Richard Petri, who first introduced them in the 19th century. These dishes provide a controlled environment for observing bacterial, fungal, or cell growth under specific conditions. Petri dishes are commonly used with nutrient-rich media like agar to support the growth of organisms.

 

Types of Petri Dishes (Categorized by Material)

Petri dishes come in different materials, each suited for specific laboratory needs:

Glass Petri Dishes:
These are reusable, durable, and can withstand repeated autoclaving. They are preferred in laboratories that prioritize sterilization and sustainability.

Plastic Petri Dishes:
Usually made from polystyrene, these dishes are disposable and widely used in diagnostic labs, education, and research. They are pre-sterilized and available in both ventilated and non-ventilated formats.

Polycarbonate or Polypropylene Petri Dishes:
These offer higher durability and some degree of heat resistance. They are often used when chemical resistance or moderate heat resistance is required.

 

Uses and Applications of Petri Dish

• Growing bacteria, fungi, and other microorganisms for observation and study.
• Supporting the growth of tissue cells in biomedical research.
• Assessing the effectiveness of antibiotics against specific bacteria.
• Used in botany for testing plant growth under controlled conditions.
• Common in academic labs for teaching microbiological techniques.

 

Proper Handling and Sterilization of Petri Dishes

  Always handle Petri dishes using clean gloves or sterile instruments.

  For glass dishes, autoclaving at 121°C for 15–20 minutes is standard before reuse.

  Avoid touching the inner surface or agar once poured.

  Keep lids slightly ajar during inoculation to minimize airborne contamination.

  Store in inverted position (agar side up) during incubation to prevent condensation from dripping onto the culture.

 

How to Choose the Right Petri Dish?

• For short-term experiments, disposable plastic dishes are ideal. For long-term studies or repeated use, glass dishes are preferred.
• Standard sizes are 90–100 mm in diameter, but variations exist depending on the experiment.
• Pre-sterilized dishes are convenient for clinical or diagnostic labs.
• Glass dishes offer a more eco-friendly and cost-effective option in the long run, while plastic petri dish are suitable for one-time use.

 

Top Petri Dish Brands at Medikabazaar

Astra EO Sterile 90 x 15mm PS Petri Dish

Made from high-quality polystyrene (PS). Sterilized with Ethylene Oxide (EO). Size: 90 x 15 mm, ideal for microbiological applications. Disposable and sterile, minimizing contamination

Polylab Petri Dish

Available in various sizes and materials (PS, polypropylene). Durable, autoclavable, and reusable. Cost-effective for repeated use

Remediolife Petri Dish

Premium polystyrene, supplied sterile. Flat base for even media distribution. Disposable, reducing cross-contamination risks

 

Why Buy Petri Dish from Medikabazaar?

Medikabazaar offers high-quality Petri dishes from trusted brands, ensuring reliability and performance for your lab needs. With a focus on quality assurance, each product meets industry standards and undergoes rigorous checks. Their expert customer support helps you select the right product, while competitive pricing ensures value for bulk orders. Choose Medikabazaar for affordable, quality Petri dishes with excellent service.

 

Shop Petri Dish Online at the Best Price

Explore a wide range of high-quality Petri dishes at the best petri plate prices or petri dish price on Medikabazaar. Whether you need disposable or reusable options, we have products from top brands like Dews, Polylab, and Lab and Diagnostics to suit your laboratory needs. Browse now and order through our convenient Medical Consumables App or medical app for seamless shopping and fast delivery.

 

Explore more Related Products

Alcohol swab

 

Related Blogs

Sr.No.	Related Blogs
1	Petri Dish - Functions, Types and Uses

 

FAQ’s:

Q1. What is a Petri dish used for?

Ans. A Petri dish is used for culturing microorganisms such as bacteria, fungi, and algae in laboratories. It provides a sterile environment for growing and observing cultures in microbiological experiments.

 

Q2. What does Petri dish mean in slang?

Ans. In slang, a Petri dish is a shallow, flat, round dish used in laboratories to grow cultures, such as bacteria, fungi, or cells. It's made of clear glass or plastic petri dish and provides a controlled environment for scientists to observe and experiment with microorganisms.

 

Q3. Who invented the Petri dish?

Ans. The Petri dish was invented by German bacteriologist Julius Richard Petri in 1887. He created it as a way to grow and study microorganisms in a controlled, easily observable environment.

 

Q4. What is inside a Petri dish?

Ans. A Petri dish typically contains a nutrient agar or liquid medium that supports the growth of microorganisms. This medium provides essential nutrients like vitamins, minerals, and sugars to help cultures thrive.

 

Q5. What are two functions of Petri dish?

Ans. A Petri dish is used to culture and grow microorganisms under controlled conditions. It also allows for the observation and study of microbial growth and behaviour.