Strona główna szukaj Forum

  • Forum
  •  » Społeczność
  •  » How to select high speed centrifuge that is going to be the most suita

Napisz odpowiedź

Napisz nowego posta
Opcje

Powrót

Podgląd wątku (najnowsze pierwsze)

drunen
2022-09-19 08:16:21

Centrifuges that can be placed on a workbench come in a variety of capacities, including the following:

Microcentrifuges have a small footprint, are capable of producing 14,000 to 30,000 x g for as many as 48 microtubes at once, and are designed to work most effectively with low-volume tubes. When using certain devices, you will be able to accommodate a small number of conical tubes holding 15 or 50 milliliters of liquid as well as two plates in SBS format. There is a wide selection of vendors that provide both non-refrigerated and refrigerated variants of their products, in addition to a range of different device sizes that are determined by the volume of tube space that is on hand.

In addition to the multipurpose centrifuge's rotor chamber being larger than that of a standard centrifuge, the multipurpose centrifuge's ability to accommodate a wide variety of rotors contributes to the device's high degree of versatility. In addition to having a flexible rotor system, specific adapter systems allow for the use of a wide variety of tubes and bottles (ranging from 0.2 mL to 1,000 mL), in addition to plates. These systems can be used in conjunction with the flexible rotor system. The maximum speed that a vessel is capable of reaching is significantly influenced by the characteristics of the vessel itself.

The vast majority of rotors feature additional components in addition to the body of the rotor itself. These additional components include O-rings, lid threads, and locking mechanisms, all of which require routine maintenance in addition to the body of the rotor itself.

O-rings

O-rings are the first line of defense against sample loss; however, they are almost never used at all due to the fact that most people forget about them. Lubricating O-rings is a prerequisite step that must be completed before the O-rings can be installed on a fresh rotor. After being washed or disinfected, the O-rings need to be dried and relubricated before they can be used again. This is necessary because the majority of detergents and many disinfecting agents remove the lubricant. The preceding step, which is this one, is the more significant one. It is imperative that O-rings be replaced as soon as they begin to show signs of cracking or stretching. This is due to the fact that O-rings deteriorate after being cleaned and sterilized in an autoclave multiple times.

Threads on the lidsTo remove debris that has accumulated over time, the threads on bucket or rotor lids need to be cleaned on a routine basis using a soft cloth that does not contain any lint. This is done in order to remove any debris that may have become lodged in the threads.

Not only does this make it much easier to open and close the lid, but it also helps to prevent accidental cross-threading and general corrosion when applied to the threads on the rotor lid with a thin layer of grease that has been approved by the manufacturer.

Activators and deactivators of locking mechanisms

Locking mechanisms, which are responsible for securing the lid to the rotor or bucket, suffer wear and tear over time and are also susceptible to damage when the lids are attached or removed. This is because the locking mechanisms are responsible for securing the lid to the rotor or bucket. If the locking mechanism has threads, those threads should be inspected regularly for damage (such as nicks or wear on the thread's edges), particularly if the mechanism is threaded. This is especially important if the mechanism is threaded. In the event that the locking mechanisms are damaged, it is typically possible for a field service technician to repair or replace them. If the mechanism is checked on a regular basis and cleaned with a soft cloth to remove any debris that may have accumulated, the longevity of the mechanism can be significantly increased, which can save a lot of money in the long run. Lubrication is typically not necessary for the functioning of these parts and components.

When there is a factory-certified technician available at the location, it is a good idea to inquire about a speedy review of all of the rotors. The vast majority of manufacturers will also host rotor inspection clinics if customers express interest in attending them. Over time, rotors will start to lose their finish or show telltale signs of damage to the surface, such as small pits in the surface of the rotor, rust, or metal corrosion. This is one of the most obvious ways that surface damage can be detected. The presence of pits in the surface of the rotor is another indicator that the surface has been damaged. All of these factors are strong indications that a rotor needs to be carefully inspected in order to ascertain its current state. In the absence of any preventative measures, microcracks have the potential to form at the base of the pits, and corrosion has the potential to spread throughout the rotor until it ultimately fails. However, carbon fiber rotors themselves do not corrode; the finish on carbon fiber rotors can wear off over time and after repeated exposure to chemicals; however, carbon fiber rotors do not rust. The manufacturer has the ability to refinish the rotor before the exterior surface of this kind of rotor becomes a handling hazard. This can be done before the surface becomes damaged.

Centrifuge rotors, whether low-speed or superspeed, that have been in operation for at least ten years should undergo a comprehensive inspection and possibly be considered for replacement. This is of the utmost significance in the event that the rotors display any of the symptoms that were described in the preceding section. The total number of cycles or hours that an ultracentrifuge rotor has been used for is one of the primary factors that determines how long it is recommended that it should last.

Gathering information is essential to having any chance of being successful in virtually any endeavor. When selecting a rotor, it is essential to have a clear understanding of the volume and RCF requirements, as well as the type of separation that is required, which may be differential, isopycnic, or rate-zonal. Additionally, high speed refrigerated centrifuge is important to have a clear understanding of the type of separation that is required. This will be helpful in determining which of the three different types of rotors to choose from.

As soon as the rotors have been brought into the laboratory, it is of the utmost importance to formulate a routine rotor maintenance schedule. Because of this, the dangers that come with working in a laboratory will go down, the rotor's lifespan will go up, and the problems that come with centrifugation and contamination will be reduced. Users need to follow the schedule that is recommended by the manufacturer for having rotors inspected, and they need to retire rotors as soon as they show signs of wear. The manufacturer may also recommend that users have rotors replaced when they show signs of wear. It is possible to ensure that the centrifuges and rotors will perform the essential function of sample preparation for which they were designed by taking the necessary preventative measures.

Stopka forum