Analytical application of laboratory incubator in education market

In the past few decades, research fields in cell biology, molecular biology, and pharmacology have made striking advances, and technology applications in these fields have had to keep up with the "steps." Although the typical life science laboratory equipment has changed a lot, the incubator is still a major component of the laboratory, and its end use is to maintain and promote better growth of cells and tissues. However, as technology advances, its functionality and operation become more accurate, reliable, and convenient. Today, incubators have become one of the routine instruments commonly used in laboratory zui, and have been widely used in medical, immunology, genetics, microbiology, agricultural science, pharmaceutical research and production. In addition to the need for low-temperature constant temperature test, culture test, environmental test, storage strain, and biological culture, the incubator is naturally an important equipment that cannot be absent.

In the industry, the products of American VWR, German Memmert, American Sellab, German Binder BINDER, Japan Sanyo SANYO, Germany Heraeus Heraeus, Swiss Salvis, American Thermo Fisher Scientific and other companies occupy a large position in the international market. The proportion. However, in recent years, with the inspirational innovation of domestic laboratory equipment companies and the investment in new production and development, the development of domestic biochemical equipment has become faster and faster, and high-quality brands have been born and hatched, such as Beijing Zhongxing Weiye, Shanghai Ronghua Instrument. And other domestic brands. Products are widely used in domestic universities and research institutes.

First, the category with the principles of the incubator (1) incubator <br> <br> currently the zui for a wide range of major chemical and biological incubator, carbon dioxide incubator, direct electric heating incubator, Water electrothermal incubator four types Each type has its own characteristics and unique functions for different research and teaching fields. Among them, the application of biochemical incubators is common, and the incubator is equipped with electric heating wire heating and compressor cooling. It can be used in a wide range of applications and can be kept at a constant temperature throughout the year. It is widely used in culture, preservation, water quality analysis and BOD testing of bacteria, molds, microorganisms and tissue cells, and is suitable for breeding experiments and plant cultivation. It is used in colleges and universities such as environmental protection, sanitation and epidemic prevention, drug testing, agriculture and livestock, and aquatic products.

(2) carbon dioxide incubator <br> <br> carbon dioxide incubator is to be cultured on the basis of ordinary improved by controlling the ambient conditions can create a cell / tissue growth and better environmental conditions controlled The result is a stable condition: constant pH (pH: 7.2-7.4), stable temperature (37 ° C), high relative humidity (95%), stable CO2 level (5%), This is why researchers in these fields are so keen to use a convenient and reliable carbon dioxide incubator. In addition, due to the increased carbon dioxide concentration control and the precise control of the incubator temperature using a microcontroller, the culture success rate and efficiency of biological cells, tissues and the like are improved. In short, the carbon dioxide incubator is an irreplaceable new incubator for ordinary electric thermostat incubators.

(3) Water-incubator electric type and electric type and <br> <br> Water-incubator housing usually made of asbestos or painted metal, Water-incubator copper inner layer is made of leather reservoir The water interlayer and the interlayer of the electrothermal incubator are made of insulating materials such as asbestos or glass wool to enhance the heat preservation effect. The thermometer is placed on the top of the incubator and automatically controlled by a temperature controller to make the temperature inside the box constant. The water-proof incubator is heated by means of an electric heating tube, and the electrothermal incubator is directly heated by a heating wire, and the air is convected to make the temperature inside the box uniform.

Orlistat

Orlistat is a long-acting and potent specific gastrointestinal lipase inhibitor. It is white or off-white powder at room temperature. It is insoluble in water, soluble in chloroform, and easily soluble in ethanol. It passes through the stomach and small intestine cavity. Intragastric lipase and pancreatic lipase active codon form a covalent bond to inactivate the enzyme. Fat in food cannot be broken down into free fatty acids and monoacylglycerols, so the fat cannot be absorbed and utilized, thereby reducing the body's caloric intake and controlling body weight. This medicine does not need to be absorbed through the body to exert its effects. At the usual dose, fat absorption can be suppressed by 30%. It is rarely absorbed after oral administration and can be metabolized and inactivated in the intestine. The metabolic site is on the wall of the gastrointestinal tract, and the elimination half-life is about 14 to 19 hours. About 97% of this product is excreted with feces, of which 83% is excreted in the original form.

Orlistat can be used clinically for obesity and hyperlipidemia. Under normal circumstances, 120mg can be taken orally once a day, three times a day, and taken within one hour after a meal. After taking the medicine for 2 weeks, the weight may start to decrease. It can be taken continuously for 6 to 12 months. If the dose is increased to more than 400 mg per day, its effect will no longer be enhanced.

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