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Interleukin 3 is a cytokine, a multipotent colony-stimulating hematopoietic factor, produced mainly by activated T-lymphocytes. The main function of IL-3 is participation in the differentiation and proliferation of myeloid precursor cells. IL-3 is involved in the pathogenesis of a number of diseases, including hematological tumors. IL-3 is a therapeutic agent in the treatment of conditions associated with insufficient hematopoietic function of the bone marrow.

Installation for monitoring radioactive contamination of hands, feet (shoes) and clothing of personnel with alpha- and beta - active substances. Modern and intuitive interface, various versions. Purpose: monitoring the level of contamination of hands, feet (shoes) and clothing of personnel with alpha- and beta-active substances and signaling when exceeding permissible levels; measurement of alpha and beta radiation flux density from the surface of the hands, feet (shoes) and clothing of personnel; measurement of the surface activity of alpha- and beta-emitting radionuclides of hands, feet (shoes) and clothing of personnel.

The generators are designed to supply analytically clean air to flame ionization detectors and gas analyzers. They are available in two versions depending on performance and output pressure. Thanks to the presence of a system of catalytic purification of air from hydrocarbons, the generator can significantly improve the accuracy and sensitivity of chromatographic analyses. Technical specifications Air capacity reduced to normal conditions is not less than 1.2 l/min Outlet air pressure is 355 ± 5% kPa(3.5 ati) Output pressure stability at constant flow rate is not worse than ± 5 kPa Stability of the output pressure when the flow rate changes from 0.3 l/min to the maximum value is not worse than ± 7 kPa Output concentration of hydrocarbons is not more than 0.1 ppm The concentration of water vapor at 20°C and 100kPa, is no more than 10 ppm Ready time after switching on is no more than 30 min Power consumption is not more than 150 VA Overall dimensions of the generator (width x depth x height) are not more than 230x470x450 mm The mass of the generator is not more than 15 kg Working conditions: ambient temperature, °C from +10 to +35 relative humidity of the ambient air, % 80 power supply from a single-phase network: AC voltage, 220 ± 10% and frequency, Hz 50 ± 1

NV-1500 LKv-R is a laboratory table on a metal frame and with a table top made of granite tiles. The width of the table top is 1500 mm. The table is designed for standing work (table height — 850 mm) and is usually used for placing devices. The table top is made of granite tiles. The tile is moisture-resistant and perfectly withstands high temperatures. It is resistant to prolonged exposure to concentrated acids, alkalis and organic solvents. It has limited resistance to hydrofluoric acid. This is one of the most popular types of countertop materials for laboratory furniture. Two 220 V sockets are built into the table, one of them is grounded. The NV-1500 LKv-R table has a metal frame painted with durable powder paint. The side laminated panels (chipboard 16 mm thick) are edged on the facade with a PVC edge 2 mm thick, which increases their impact resistance and mechanical strength. The legs of the table are adjustable in height within two centimeters, allowing you to place it even on a rather uneven floor. Dimensions of the table when assembled (W×D ×H): 1500×700×850 mm. Advantages of tables NV-1500 LKv-R An inexpensive solution for laboratories that value the reliability and durability of furniture; Suitable for small rooms; Heating plates or baths can be placed on the granite surface resistant to high temperatures; It is convenient to work while standing: the height of the working surface is 85 cm. Application of tables NV-1500 LKv-R Tables of the NV series are used in laboratories of the widest profile: at food and light industry enterprises, in scientific and educational workshops, in chemistry classrooms, quality control centers, medical organizations and many others.

Interleukin 2 is a cytokine that has pleiotropic properties and regulates several functional responses of target cells. It induces T cell proliferation (acting as a growth factor) and effector T cell synthesis of cytokines, thus providing an effector response. IL-2 is also a key factor in the development, expansion and maintenance of regulatory T cells, which plays an important role in balancing and regulating the immune response and preventing autoimmune diseases. Interleukin 2 is also capable of activating a number of other cells (B-lymphocytes, NK cells, neutrophils), triggering the processes of autivation and expression of receptor genes in them, the synthesis of effector molecules, and phosphorylation pathways for many intracellular proteins.

METOLAB 601-01 is a stationary hardness tester, a modification of the METOLAB 601 device with an expanded configuration and improved technical characteristics. The METOLAB 601-01 hardness tester is designed for high-precision measurements of the specified parameters of various parts and materials (hardened and non-hardened steels, cast iron, non-ferrous metals, soft alloys, etc.). The METOLAB 601-01 device has high accuracy, allows measurements in a wide range and provides high repeatability of results. The main difference from the younger model is the presence in the basic configuration of a digital camera and a disk with software for processing received data on a personal computer. Also, the METOLAB 601-01 device allows you to automatically calculate the hardness value. Due to its characteristics, the stationary Brinell hardness tester METOLAB 601-01 can be used in a wide variety of industries and production, as well as in educational institutions of various levels in the training of specialists. The stationary Brinell METOLAB 601-01 hardness tester is included in the State Register of Measuring Instruments of Russia and comes with a certificate of primary verification (on request). The number in the GRSI is 65684-16. Distinctive features of the stationary METOLAB 601-01 Brinell hardness tester: Software on disk; Digital camera for recording actions by the operator; Automatic or manual capture and fingerprint tracking; Automatic calculation of hardness values; Simple and intuitive interface of the device; Wide range of measured values on the Brinell scale (from 8 to 650 HBW); The presence of an electronic switch of the applied load; Large and bright LCD display; Displaying all necessary service information on the device screen, including exposure time and real load readings; Russian version of the device menu; High accuracy and repeatability of measurement results. Basic package of delivery: Stationary METOLAB 601-01 Brinell hardness tester; Microscope, 20x; Digital camera; Software on CD-ROM; USB key; Indenter with carbide ball (Ø10,0mm; Ø5,0mm; Ø2,5mm) - 1 pc.; Large flat table; Small flat table; V-shaped table; Brinell hardness measures - 1 set; User Manual.

NV-1500 Lv are laboratory tables with a metal frame and a tabletop width of 1500 mm. They are designed for standing work (table height — 850 mm). The NV-1500 tables have a metal frame painted with durable powder paint. The side laminated panels (chipboard 16 mm thick) are edged on the facade with a PVC edge 2 mm thick, which increases their impact resistance and mechanical strength. The legs of the table are adjustable in height within two centimeters, allowing you to place it even on a rather uneven floor. Dimensions of the table when assembled (W×D ×H): 1500×700×850 mm. Working surface for your tasks We offer laboratory tables with various working surface materials. Version: Countertop NV-1500 LLv: Laminate. An inexpensive solution suitable for school chemistry and physics classrooms, office work, placement of devices. NV-1500 LSPv: Chemically resistant plastic. A good choice for training workshops, analytical and medical laboratories. It does not tolerate high temperatures, heating devices should not be placed on the surface. NV-1500 LKv: Porcelain tile. A practical solution for most chemical, biological, medical laboratories and workshops. You can put drying cabinets, baths and other heating devices on it. NV-1500 LPv: Polypropylene. A specialized solution for chemical laboratories working with inorganic solvents. NV-1500 LNv: Stainless steel. A specialized solution for biological or medical laboratories. It withstands disinfection well, but is not resistant to concentrated mineral acids and alkalis. Advantages of NV-1500 Lv tables An inexpensive solution for laboratories that value the reliability and durability of furniture; Heating plates or baths can be placed on the granite surface resistant to high temperatures; It is convenient to work while standing: the height of the working surface is 85 cm. Application of NV-1500 Lv tables Tables of the NV series are used in laboratories of the widest profile: at food and light industry enterprises, in scientific and educational workshops, in chemistry classrooms, quality control centers, medical organizations and many others.

The use of the test tube stand "Workplace" allows you to properly and conveniently organize the space for working with 0.5 ml test tubes. For 0.5 ml test tubes 50 holes: 5 rows of 10 holes Made of plexiglass The conical shape of the holes ensures reliable fixation of the test tubes Rubber feet keep the test tube stand from sliding on benchtop Size 210*100*8

Kors NV-1200 SHV-NERZH laboratory fume hoods are single—frame cabinets with a width of 1100 mm with a stainless steel countertop. External dimensions of the cabinet (W×D×H): 1100×700×1960 mm. Dimensions of the working area (W×D×H): 1068×540×750 mm. Table top: stainless steel. Convenient fume hoods for comfortable work in the laboratory Working surface material: stainless steel. It is well suited for biological or medical laboratories, but it is better not to use it in chemical laboratories. It is resistant to prolonged exposure to temperature, organic solvents, and oils. It has limited resistance to short-term exposure to concentrated mineral acids and alkalis and is destroyed by prolonged exposure to concentrated acids. The working area is closed by one lifting frame with a counterweight. It has two exhaust zones: the hood of the exhaust box and the level of the countertop. Diameter of the flange for connection to the ventilation system: 150 mm. Working area size (W×D×H): 1068×540×750 mm. Please note that the cabinet narrows upwards. At a height of 50 cm, the depth of the working area will be 410 mm, at a height of 70 cm: 365 mm. If you need to place high equipment, then make sure that it corresponds to the dimensions of the camera, otherwise you will not be able to close the cabinet. The height of the raised glass above the cabinet: 510 mm, that is, with the glass raised, the total height of the cabinet will be 2470 mm. The working area is illuminated by an LED lamp (included in the package). The switch is located on the right side of the cabinet, next to the sockets. The fume cupboard is equipped with two sockets, one of them with grounding. Sockets have the IP20 degree of protection, maximum load: 1.5 kW. The base of the cabinet is an all-welded metal frame in powder coating. The side laminated panels (chipboard with a thickness of 16 mm) are edged with a durable PVC edge with a thickness of 2 mm, which increases their impact resistance and mechanical strength. The cabinet legs are adjustable in height within two centimeters, allowing you to place the cabinet even on a rather uneven floor.

The GA-400-N nitrogen generator (hereinafter referred to as the generator) is a modification of the GA-400 nitrogen generator and is designed primarily to work with a storage tank (receiver) in which a certain "reserve" of nitrogen can be created. Unlike the GA-400, the GA-400-H generator has a built-in pressure monitoring system for nitrogen accumulated in the receiver, which puts the generator into "standby" mode when the maximum pressure value is reached in the receiver, and restarts the generator when the pressure drops below the minimum value. This work allows you to reduce energy consumption and increase the service life of the compressor feeding the generator. Technical specifications Volume fraction of nitrogen is not less than 99.5% by volume (including impurities of inert gases — argon, neon, helium) Volume fraction of oxygen is not more than 0.5 % vol. Volume fraction of water vapor is not more than 0.002 % vol.(20 ppm) Maximum nitrogen capacity, with nitrogen pressure in the storage tank below 2 ati, is not less than 400 l/hour (6.66 l/min) Nominal inlet air pressure is 6 ati Maximum allowable inlet air pressure is 8 ati Minimum inlet air pressure is 5.5 ati Compressed air consumption, at nominal inlet pressure and maximum flow rate is no more than 3000 l/h (50 l/min) Factory setting of the maximum pressure value in the storage tank is 3.5± 0.2 ati Factory setting of the minimum pressure value in the storage tank is 2.4 ±0.4 ati Power consumption is not more than 100 VA Overall dimensions, (width x depth x height) are not more than 230x580x680 mm; Weight is not more than 35 kg Working conditions: ambient temperature, C°, from +10 to +35 Electric power supply from single-phase AC mains voltage, V, 220± 10% and frequency, Hz, 50 ± 1 Average full service life is at least 6 years The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76

The cabinet is made of laminated chipboard with a shockproof PVC edge of 2 mm on the facade. The standard version of the NV-400 SHP laboratory cabinet for labware: a glass door and 2 glass shelves on the top level; a door and 2 shelves-inserts of laminated chipboard on the bottom level; metal legs 100 mm high.

NV-1800 LKv is a high laboratory table on a metal frame. The width of the table top (1800 mm) is the largest in the line of NV high tables. It is designed for standing work (table height: 850 mm). The NV-1800 LKv table has a metal frame painted with durable powder paint. The side laminated panels (chipboard 16 mm thick) are edged on the facade with a PVC edge 2 mm thick, which increases their impact resistance and mechanical strength. The legs of the table are adjustable in height within two centimeters, allowing you to place it even on a rather uneven floor. Dimensions of the table when assembled (W×D ×H): 1800×700×850 mm. Working surface for your classes We offer laboratory tables with different working surface material: Version: Table top NV-1800 LLv: Laminate. An inexpensive solution suitable for school chemistry and physics classrooms, office work, placement of devices. NV-1800 LKv: Porcelain tile. A practical solution for most chemical, biological, medical laboratories and workshops. You can put drying cabinets, baths and other heating devices on it. NV-1800 LSPv: Chemically resistant plastic. A good choice for training workshops, analytical and medical laboratories. It does not tolerate high temperatures well, heating devices should not be placed on the surface. NV-1800 LNv: Stainless steel. Stainless steel is well suited for biological or medical laboratories, but it is not recommended for use in chemical laboratories. It has limited resistance to short-term exposure to concentrated mineral acids and alkalis and is destroyed by prolonged exposure to concentrated acids. NV-1800 LPv: Polypropylene. A specialized solution for chemical laboratories working with inorganic solvents. Advantages of NV-1800 Lv tables It is the largest table in the series, it is possible to organize there two full-fledged workplaces; A budget solution for laboratories that value the reliability and durability of furniture; You can choose a table top for your tasks; It is convenient to work while standing: the height of the working surface is 85 cm. Application of NV-1800 Lv tables Tables of the NV series are used in laboratories of the widest profile: at food and light industry enterprises, in scientific and educational workshops, in chemistry classrooms, quality control centers, medical organizations and many others.