Types And Working Mechanism Of Microbiological Safety Cabinets

Microbiological safety cabinet is a designing control planned to ensure laboratory workers, laboratory condition and work materials from introduction to irresistible or biohazardous pressurized aerosol products and splashes. Such aerosol products and sprinkles might be created while controlling materials containing irresistible specialists, for example, essential cultures, stocks, and diagnostic specimens.

There are three sorts of safety cabinets, Classes I, II, and III. Class II and Class III microbiological safety cabinet give personnel, natural just as item security. Though Class I safety cabinet, which is the most essential one, gives personnel and natural assurance as it were. When appropriately utilized Biological safety cabinets have been demonstrated to be exceptionally powerful in diminishing laboratory-procured diseases and cross-contamination of societies.

Class I Microbiological safety cabinet

Class I microbiological safety cabinet is the first planned and basic Biological Safety Cabinet (BSC) which gives staff and ecological security however not item creation (as unsterilized room air is drawn over the work surface). Class I microbiological safety cabinets are appropriate for work with Risk Group 1 (RG1), Risk Group 2 (RG2), and Risk Group 3 (RG3) biological material.

How it works

Room air is attracted through the front opening at least a speed of 0.38 m/s. The front opening additionally permits the administrator's arms to arrive at the work surface inside the cabinet while the person watches the work surface through a glass window. The window can likewise be completely raised to give access to the work surface for cleaning or different purposes.

The directional progression of air whisks vaporized particles that might be created on the work surface away from the laboratory specialist and are then released from the BSC through a HEPA filter.

Class II Microbiological Safety Cabinet

A Class II Microbiological Safety Cabinet is a ventilated cabinet, which gives work force, item, and ecological protection. It is normally found in clinical and research labs working with irresistible operators in Risk Groups 2, 3 and 4 (if positive-pressure suits are utilized) or with tissue culture.

There are four sorts (A1, A2, B1, and B2 ) of Class II microbiological safety cabinets. The fundamental contrasts between the sorts are the proportion of air depleted from the BSC to the air that is recycled inside the BSC and the kind of exhaust framework present.

About 90% of all biosafety cabinets introduced are Type A2 cabinets. There is a restricted requirement for Class II Type B microbiological safety cabinets. What's more, Class II Type B microbiological safety cabinets require the unmistakable establishment and working conditions to work effectively. 

How it works

The working component of Class II microbiological safety cabinets varies as indicated by its sorts. It has an open front with internal airflow for personnel assurance, descending HEPA separated laminar airflow over the work surface for item insurance and HEPA sifted depleted air for environmental security. The room air and recycled air are HEPA sifted before streaming downwards over the work zone. Class II microbiological safety cabinets can be depleted into the regulation zone or straightforwardly to the outside air through a thimble or hard-ducted association relying upon the sorts. The measure of air that recycles or depletes relies upon the sorts.

Class III Microbiological Safety Cabinet

Class III microbiological safety cabinet gives the most elevated level of personnel security and is utilized for Risk Group 4 specialists. It is reasonable for work in Biosafety Level 3 and 4 research centers.

How it works

This kind of cabinet is completely encased and is tried constrained to guarantee that no particles can spill from it into the room. Supply air is HEPA-separated and exhaust air is released to the air through two HEPA channels. The administrator gets to the work surface by methods for heavy-duty rubber gloves which structure some portion of the cabinet. A few glove boxes can be consolidated to expand the work surface. Airflow is kept up by a devoted exhaust framework outside to the cabinet, which holds the cabinet inside under negative pressure.

The Class III microbiological safety cabinets ought to have a joined go through the box that is sterilizable and is outfitted with HEPA-sifted exhaust. The Class III cabinet might be associated with a double door autoclave used to purify all materials entering or leaving the cabinet.

GlobalLabSupply.com provides all kinds of lab requirements for your laboratory. We offer a wide range of microbiological safety cabinets for your lab. You can choose the convenient one for your laboratory among them.

If you have any queries regarding any product or our customer service, feel free to talk to us. We are always happy to serve you.

Installing A New Lab Worktable? Know What To Know More

Lab worktable is one of the central places in the laboratory. This worktable is used to conduct experiments and store equipment etc. The worktables differ in different laboratories. This is because every laboratory is different. But, you are sure to find a lab worktable in any laboratory you see. This is because, without a lab worktable, running a lab will become difficult. The place where a lab worktable is placed is called the laboratory workstation.

So, you need to think carefully about the placement of the lab worktable. If it is placed in the wrong way, it can cause obstacles for lab employees.  Here are some common points that you should consider before installing a worktable in your lab.

Always check the size of your laboratory before buying and installing a table

The size of your laboratory always matters. This is because there are labs with different sizes of available space. Similarly, you can find lab workbenches in different shapes and sizes. So, it is always a better idea to buy a lab bench that fits inside your lab. It is better if you refrain from using small or tiny worktables. This is because the smaller tables have less space to offer. Your lab may have multiple small and fragile apparatus that can fall and break. Expensive machines need proper care and must be kept in a worktable such that they do not have any chances of falling on the floor. Therefore, always choose a worktables that is of medium size. Additionally, take a cue from the available space in your lab before buying any table. If you buy a large table although there is not enough available space; your lab might become congested. At the last, make sure to check the area and size of the door, the stairways and passages before buying the worktable. An ideal worktable should be able to pass through these spaces without any problem.

 Purpose of using the worktable

This is the next point you need to consider while buying a lab worktable. Make sure to decide on the purpose you will be going to use the lab table in advance. If you are using a lab table for storing different things and machines; then a simple or basic lab worktable is enough. If you need to use a lab worktable for field experiments; then a movable worktable with wheels is a great idea. In case you are using the lab table for experimenting; then make sure to buy a table that is resistant to heat and chemical damage.

 Choose the surface widely

If you are using the laboratory worktable for conducting an experiment or using it as a workstation, then you need to be extra careful about the surface of the worktable. Your experiments may involve using damaging products and chemicals; sharp equipment, heat, flame, etc. So, try to choose a worktable with the right surface. An ideal worktable needs tp have a surface that is resistant to heat, flame, chemical damages.

Here are some common worktable surfaces that you can consider-

 Chemguard Laminate is great if you use hazardous chemicals regularly

This is a specially designed laminate. It is resistant to most of the chemicals and can also withstand high heat and flames. So, if you are working in a chemical or pharmaceutical laboratory, a worktable with a chemguard surface is the best option.

 Phenolic resin laminate worktable

It is a moderate chemical resistant worktable surface. It is made with kraft paper and resin coating. It can withstand standard chemicals and heat. Another great advantage of phenolic resin laminate worktable is that it is stain proof. Phenolic resin worktable also requires a lesser amount of cleanup and maintenance. So, it is a great choice for school laboratories.

 Plastic laminate for general purpose

It is one of the popular worktable options. These worktable surfaces are made with plastic laminates. It can be used as a storage compartment and a place or conducting unreactive experiments. Plastic laminates wear off faster and are not that much heatproof or chemical resistant. So, buy it if you want to use it for simple experiments or as a storage unit.

 Epoxy resin worktable

It is best suitable for chemical and pharmaceutical laboratories. The epoxy resin surface is corrosion proof, chemical damage resistant and can tolerate heat up to a great extent. It is also easy to clean.

Check if the table is durable

This is the last thing. You need to buy a worktable that lasts for a long time and offers good service. So, make sure to buy a worktable made with durable materials.

GlobalLabsupply.com is known to offer a wide range of work tables from premium brands at a decent price. You can visit its website or contact the company to buy the right worktable that suits your requirements and budget.

The Ultimate Maintenance Guide About Worktables In Laboratory

The worktable is an integral part of any laboratory. From a biology laboratory to a chemistry lab or a pharma lab, you will find at least one worktable in the laboratory. Many laboratories also have more than one worktable for work purposes.

It functions as a common workstation. Operators and workers conduct their experiments on the worktables, use it as a platform to take notes and write the data, and it is also a place to store common equipment and so on. So, it is always better to keep the laboratory worktables clean and disinfected.

Why should the worktables be cleaned and disinfected?

Laboratory work tables come in contact with different chemicals and substances. There can also be build-up residue. All these dirt, grime, etc can make the worktable a birthplace for germs and bacteria. This can cause molds, mildews and may also damage the expensive equipment. So, it is always a wise idea to keep the laboratory disinfected. Regular cleaning is also required here. Cleaning keeps the worktables in good shape and increases their shelf-life. Additionally, a cleaner table means fewer germs and a healthy lab environment.

Some universal cleaning tips

A laboratory work table needs to be cleaned regularly. So, if you deal with liquid chemicals and solutions and powdery substances that can cause spillage, it is better to clean the table at least once in a month to prevent any damage. Regular cleaning keeps it in good condition.

Besides that, if there is any type of accidental spillage, then make sure to clean the spillage as soon as possible. A quick cleaning can minimize the chances of damage.
Before you buy a worktable, ask the supplier or dealer about the maintenance and cleaning procedure. It is necessary to maintain a worktable properly.

Some precautions

Before you start cleaning and disinfecting, make sure to wear protective gear to protect your hands and eyes from the harsh chemicals. Protective gears such as latex gloves, goggles, hair protectors, etc are essential. It will prevent accidental burn and also keep equipment damages at bay.
Try to remove all the possible items from the work table so that you get to clean the table completely. Small equipment and fragile items should be removed from the work tables and stored in a separate place before cleaning.

You need to take care of the electrical connectional. So, before starting the cleaning, remove any wires or plugs from the worktables.

It is always advised to perform decluttering before you start cleaning the tables. Decluttering the unwanted less always helps a great deal.

How to clean and properly disinfect laboratory worktables?

If you have a personal work table then make sure to clean and dust it regularly to prevent any damage.  You can also use a wipe to clean the tables.
A common way to disinfect the worktables is to prepare a dilute solution with bleach and water and wash the table with wet wipes or soft cloth dipped in this solution.  You can also use sanitizing spray if you want to.

In case if the work table comes with an epoxy resin table top, you can use mild detergent solutions, diluted vinegar solution or household cleaners to clean the tabletop. If there is any stain or tough spots then you can use acetone or isopropyl alcohol to remove the spots. A damp soft sponge or cotton cloth can help remove any marring. Try to avoid abrasive sponges, pads or liquids like bleach on the epoxy resin top, You also need to be careful so that there is no harsh dragging on the table. After cleaning, let it dry. You may use mineral oils to polish the resin tabletop and make it shiny.

Stainless steel is durable and a non-porous surface, and is widely used as a worktable top surface. But, it can be vulnerable to damage. You can use detergent solutions or soap mixed with hot water to clean the stainless steel surface. If there is any caked-up dirt then use a soft cloth or sponge and wipe the portion gently. Try to avoid chemicals like bleach(that contains chlorine), abrasive steel wool or sponge or baking powder to clean stainless steel work tables.

Hardwood work tables are natural and need proper care. Since it is a natural element it is very vulnerable to molds and bacterial growth. So, you need to clean the wood worktables with detergent solution or diluted bleach. Try to avoid using too much water during cleaning it.

Here are tips for cleaning and maintaining different types of worktables in a laboratory. You can easily keep your worktables clean by following these tips.

Globallabsupply.com provides a wide range of work tables like epoxy resin work tables, hardwood worktables, maple woodwork tables, stainless steel worktables in different shapes and sizes in a reasonable budget. You may contact them if you need to buy a worktable for your lab.