Laboratory Water Bath
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Laboratory Water Bath
A water bath is laboratory equipment made from a container filled with heated water. It is used to incubate samples in water at a constant temperature over a long period of time. Most water baths have a digital or an analogue interface to allow users to set a desired temperature, but some water baths have their temperature controlled by a current passing through a reader. Utilisations include warming of reagents, melting of substrates or incubation of cell cultures. It is also used to enable certain chemical reactions to occur at high temperature. Water baths are preferred heat sources for heating flammable chemicals, as their lack of open flame prevents ignition. Different types of water baths are used depending on application. For all water baths, it can be used up to 99.9 °C. When temperature is above 100 °C, alternative methods such as oil bath, silicone bath or sand bath may be used. Precautions * Use with caution. * It is not recommended to use water bath w ...
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Shaking Water Bath 2015
Shake may refer to: * Handshake * Milkshake * Tremor * Shakes (wood), cracks in timber * Shake (shingle), a wooden shingle made from split logs Shake, The Shakes, Shaking, or Shakin' may refer to: Geography * Shake, Zimbabwe * Shake, another name for Sake language, used in parts of Gabon People * Shakin' Stevens, Welsh rock and roll singer * Anthony "Shake" Shakir, Detroit techno producer * Master Shake, a character in ''Aqua Teen Hunger Force'' * Shake (singer) (Sheikh Abdullah Ahmad), Malaysian singer * Shaking, a stage name of Xie Keyin, Chinese singer, rapper and songwriter *Shake Milton, Malik "Shake" Milton, American basketball player Music * Shake (music) (more commonly known as a ''trill''), a musical ornament * The Shake (dance), a fad dance of the 1960s * The Shake (Rock band), The Shake (American rock band) Albums * Shake (The Thing album), ''Shake'' (The Thing album) (2015) * Shake (John Schlitt album), ''Shake'' (John Schlitt album) (1995) * Shake! (album), ''Shak ...
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Shaking Water Bath In Action 2015
Shake may refer to: * Handshake * Milkshake * Tremor * Shakes (wood), cracks in timber * Shake (shingle), a wooden shingle made from split logs Shake, The Shakes, Shaking, or Shakin' may refer to: Geography * Shake, Zimbabwe * Shake, another name for Sake language, used in parts of Gabon People * Shakin' Stevens, Welsh rock and roll singer * Anthony "Shake" Shakir, Detroit techno producer * Master Shake, a character in ''Aqua Teen Hunger Force'' * Shake (singer) (Sheikh Abdullah Ahmad), Malaysian singer * Shaking, a stage name of Xie Keyin, Chinese singer, rapper and songwriter * Malik "Shake" Milton, American basketball player Music * Shake (music) (more commonly known as a ''trill''), a musical ornament * The Shake (dance), a fad dance of the 1960s * The Shake (American rock band) Albums * ''Shake'' (The Thing album) (2015) * ''Shake'' (John Schlitt album) (1995) * ''Shake!'' (album) (1968), by the Siegel–Schwall Band * ''Shake'' (2001), by Zucchero Fornaciari * ' ...
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Laboratory Equipment
A laboratory (; ; colloquially lab) is a facility that provides controlled conditions in which scientific or technological research, experiments, and measurement may be performed. Laboratory services are provided in a variety of settings: physicians' offices, clinics, hospitals, and regional and national referral centers. Overview The organisation and contents of laboratories are determined by the differing requirements of the specialists working within. A physics laboratory might contain a particle accelerator or vacuum chamber, while a metallurgy laboratory could have apparatus for casting or refining metals or for testing their strength. A chemist or biologist might use a wet laboratory, while a psychologist's laboratory might be a room with one-way mirrors and hidden cameras in which to observe behavior. In some laboratories, such as those commonly used by computer scientists, computers (sometimes supercomputers) are used for either simulations or the analysis of data. Scien ...
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Oil Bath
An oil bath is a type of heated bath used in a laboratory, most commonly used to heat up chemical reactions. It's essentially a container of oil that is heated by a hot plate or (in rare cases) a Bunsen burner. Use These baths are commonly used to heat reaction mixtures more evenly than would be possible with a hot plate alone, as the entire outside of the reaction flask is heated. Generally, silicone oil is used in modern oil baths, although mineral oil, cottonseed oil and even phosphoric acid have been used in the past. Hazards Overheating the oil bath can result in a fire hazard, especially if mineral oil is being used. Generally, the maximum safe operating temperature of a mineral oil bath is approximately , the oil's flash point. Mineral oil can't be used above due to the compound's boiling point. If higher temperatures are needed, a silicone oil or a sand bath may be used instead. Silicone oil baths are effective in the 25 °C (77 °F) - 230 °C (446 °F) range. Sand b ...
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Sand Bath
A sand bath is a common piece of laboratory equipment made from a container filled with heated sand. It is used to evenly heat another container, most often during a chemical reaction. A sand bath is most commonly used in conjunction with a hot plate or heating mantle. A beaker is filled with sand or metal pellets (called shot) and is placed on the plate or mantle. The reaction vessel is then partially covered by sand or pellets. The sand or shot then conducts the heat from the plate to all sides of the reaction vessel. This technique allows a reaction vessel to be heated throughout with minimal stirring, as opposed to heating the bottom of the vessel and waiting for convection to heat the remainder, cutting down on both the duration of the reaction and the possibility of side reactions that may occur at higher temperatures. A variation on this theme is the water bath in which the sand is replaced with water. It can be used to keep a reaction vessel at the temperature of bo ...
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Hot Plate
A hot plate is a portable self-contained tabletop small appliance cooktop that features one or more electric heating elements or gas burners. A hot plate can be used as a stand-alone appliance, but is often used as a substitute for one of the burners from an oven range or a kitchen stove. Hot plates are often used for food preparation, generally in locations where a full kitchen stove would not be convenient or practical. They can also be used as a heat source in laboratories. A hot plate can have a flat surface or round surface. Hot plates can be used for traveling or in areas without electricity. Description This type of cooking equipment is typically powered by electricity; however, gas fired hot plates were not uncommon in the 19th and 20th century and are still available in various markets around the world. In scientific research In laboratory settings, hot plates are generally used to heat glassware or its contents. Some hot plates also contain an integrated magnetic s ...
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Heated Bath
A heated bath is used in the laboratory to allow a chemical reaction to occur at an elevated temperature. The heated bath is a fluid placed in an open (metal) pot. Water and silicone oil are the most commonly used fluids. A water bath is used for temperatures up to 100 °C. An oil bath is employed for temperatures over 100 °C. The heated bath is heated on a hot plate, or with a Bunsen burner. The reaction chamber (Florence flask, Erlenmeyer flask, or beaker) is immersed in the heated bath. A thermometer is usually kept in the fluid to monitor the temperature. See also *Bain-marie, a.k.a. double boiler *Heat bath *Laboratory water bath – maintains a constant temperature, for extended time, under a cover *Sand bath A sand bath is a common piece of laboratory equipment made from a container filled with heated sand. It is used to evenly heat another container, most often during a chemical reaction. A sand bath is most commonly used in conjunction with a hot ... {{Chem-st ...
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Thermal Immersion Circulator
A thermal immersion circulator is an electrically powered device that circulates and heats a warm fluid kept at an accurate and stable temperature. It is used in process, environmental, microbiological, hazardous waste, and other laboratories. Since 2005 they have also been used for sous-vide food cooking, a method that uses airtight plastic bags in a water bath at accurately regulated temperatures much lower than usually used for cooking. A thermal immersion circulator comprises a circulator pump or motorized impeller to move the fluid, a heating element immersed in the fluid, an accurate temperature probe, and control circuitry which compares the measured temperature with the desired value and supplies power to the heater as required to stabilize the temperature. One of the laboratory brandsHuber states in their user manuals that the laboratory circulators should not be used for food or medical uses. A food-grade, rather than laboratory, circulator is advised for culinary use ...
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Microbiological Culture
A microbiological culture, or microbial culture, is a method of multiplying microbial organisms by letting them reproduce in predetermined culture medium under controlled laboratory conditions. Microbial cultures are foundational and basic diagnostic methods used as a research tool in molecular biology. The term ''culture'' can also refer to the microorganisms being grown. Microbial cultures are used to determine the type of organism, its abundance in the sample being tested, or both. It is one of the primary diagnostic methods of microbiology and used as a tool to determine the cause of infectious disease by letting the agent multiply in a predetermined medium. For example, a throat culture is taken by scraping the lining of tissue in the back of the throat and blotting the sample into a medium to be able to screen for harmful microorganisms, such as ''Streptococcus pyogenes'', the causative agent of strep throat. Furthermore, the term culture is more generally used informally ...
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Microbiology
Microbiology () is the scientific study of microorganisms, those being unicellular (single cell), multicellular (cell colony), or acellular (lacking cells). Microbiology encompasses numerous sub-disciplines including virology, bacteriology, protistology, mycology, immunology, and parasitology. Eukaryotic microorganisms possess membrane-bound organelles and include fungi and protists, whereas prokaryotic organisms—all of which are microorganisms—are conventionally classified as lacking membrane-bound organelles and include Bacteria and Archaea. Microbiologists traditionally relied on culture, staining, and microscopy. However, less than 1% of the microorganisms present in common environments can be cultured in isolation using current means. Microbiologists often rely on molecular biology tools such as DNA sequence based identification, for example the 16S rRNA gene sequence used for bacteria identification. Viruses have been variably classified as organisms, as they have ...
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Convection
Convection is single or multiphase fluid flow that occurs spontaneously due to the combined effects of material property heterogeneity and body forces on a fluid, most commonly density and gravity (see buoyancy). When the cause of the convection is unspecified, convection due to the effects of thermal expansion and buoyancy can be assumed. Convection may also take place in soft solids or mixtures where particles can flow. Convective flow may be transient (such as when a multiphase mixture of oil and water separates) or steady state (see Convection cell). The convection may be due to gravitational, electromagnetic or fictitious body forces. Heat transfer by natural convection plays a role in the structure of Earth's atmosphere, its oceans, and its mantle. Discrete convective cells in the atmosphere can be identified by clouds, with stronger convection resulting in thunderstorms. Natural convection also plays a role in stellar physics. Convection is often categorised or d ...
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Serology
Serology is the scientific study of Serum (blood), serum and other body fluids. In practice, the term usually refers to the medical diagnosis, diagnostic identification of Antibody, antibodies in the serum. Such antibodies are typically formed in response to an infection (against a given microorganism), against other foreign proteins (in response, for example, to a Acute hemolytic transfusion reaction, mismatched blood transfusion), or to one's own proteins (in instances of autoimmune disease). In either case, the procedure is simple. Serological tests Serological tests are diagnostic methods that are used to identify antibodies and antigens in a patient's sample. Serological tests may be performed to diagnose infections and autoimmune illnesses, to check if a person has immunity (medical), immunity to certain diseases, and in many other situations, such as determining an individual's blood type. Serological tests may also be used in forensic serology to investigate crime scene evid ...
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