A student physiograph, also known as a kymograph or physiological recording system, is a laboratory instrument used in physiology and biomedical research to record and analyze physiological signals and responses. Here's how it's used: Recording Physiological Signals: A student physiograph records various physiological signals such as heart rate, blood pressure, respiratory rate, muscle contractions, and electrical activity of the heart (ECG) or brain (EEG). These signals are typically measured using sensors or transducers that convert physiological phenomena into electrical signals. Experimental Setup: Researchers set up experiments by attaching sensors or electrodes to the subject (e.g., human, animal, or tissue preparation) to measure specific physiological parameters. The signals from these sensors are then transmitted to the physiograph for recording and analysis. Data Visualization: The physiograph records physiological signals over time, displaying them graphically on a rotating drum or digital screen. This allows researchers to visualize and analyze changes in physiological parameters in response to experimental manipulations, interventions, or stimuli. Data Analysis: Physiological recordings obtained from the student physiograph can be analyzed to extract various parameters such as amplitude, frequency, duration, and latency of physiological responses. This data analysis helps researchers quantify and interpret the physiological effects of experimental conditions or treatments. Teaching Tool: Student physiographs are commonly used in educational settings, such as undergraduate physiology or biomedical science laboratories, to teach students fundamental principles of physiological measurement, experimental design, and data analysis. Students learn how to set up experiments, record physiological signals, and interpret the results. Research Applications: In research laboratories, student physiographs are used for conducting experiments to investigate physiological mechanisms, pathophysiology of disease, effects of drugs or interventions, and responses to environmental stimuli. They are valuable tools for generating data that contributes to scientific understanding and medical advancements. Demonstration of Biological Concepts: Physiographs can also be used for demonstration purposes in public outreach events or scientific presentations. By recording and displaying physiological responses in real-time, researchers can illustrate biological concepts and engage audiences in understanding the complexity of living systems. Overall, student physiographs are versatile instruments that play a vital role in physiological research and education. They enable researchers and students to study, record, and analyze physiological responses, fostering a deeper understanding of human and animal biology.
Isolated organ baths are essential tools in pharmacology for studying the effects of drugs on isolated organs or tissues. Here's how they are used: Drug Screening and Testing: Isolated organ baths allow pharmacologists to assess the pharmacological activity of drugs on specific organs or tissues in a controlled environment. By exposing the isolated tissue to different concentrations of a drug, researchers can observe and measure its effects on physiological parameters such as contraction, relaxation, or electrical activity. Mechanism of Action Studies: Pharmacologists use isolated organ baths to investigate the underlying mechanisms of drug action. By examining how drugs modulate the contractile or electrical properties of isolated tissues, researchers can elucidate the pharmacodynamic pathways involved and gain insights into the drug's mode of action. Receptor Pharmacology: Isolated organ baths are particularly useful for studying receptor pharmacology. Researchers can assess the interaction between drugs and specific receptors present in the isolated tissue by measuring the dose-response relationship and determining the potency and efficacy of various pharmacological agents. Toxicity Testing: Isolated organ baths can also be used to evaluate the toxic effects of drugs on specific organs or tissues. By exposing the isolated tissue to increasing concentrations of a drug, researchers can assess its potential to induce adverse reactions such as tissue damage, impaired function, or cytotoxicity. Drug Development: Isolated organ baths play a crucial role in the early stages of drug development by providing valuable data on the pharmacological properties and safety profile of new drug candidates. Pharmacologists use this information to prioritize lead compounds for further preclinical and clinical evaluation. Teaching and Research: Isolated organ baths are widely used in academic settings for teaching pharmacology principles and conducting research experiments. They provide students and researchers with hands-on experience in experimental pharmacology techniques, allowing them to explore the effects of drugs on biological systems in a laboratory setting. Overall, isolated organ baths are versatile tools that facilitate the study of drug effects on isolated tissues, providing valuable insights into pharmacological mechanisms, drug-receptor interactions, and potential therapeutic applications. They are indispensable instruments in pharmacological research and drug discovery efforts.
The Franz diffusion cell apparatus is a laboratory instrument used in pharmaceutical research to study the release of drugs or active ingredients from topical formulations, such as creams, gels, ointments, or transdermal patches, across biological membranes. Here's how it's used: In Vitro Drug Release Studies: The Franz diffusion cell apparatus is primarily employed for conducting in vitro drug release studies. It consists of two compartments separated by a biological membrane (usually animal or human skin), with the test formulation applied to one side (donor compartment) and a suitable receptor medium (often a buffer solution) in the other side (receptor compartment). Membrane Permeation Studies: The apparatus allows researchers to investigate the permeation of drugs or active ingredients through biological membranes, mimicking the conditions encountered in vivo. By monitoring the concentration of the drug in the receptor medium over time, researchers can quantify the rate and extent of drug permeation across the membrane. Formulation Optimization: Pharmaceutical scientists use the Franz diffusion cell apparatus to evaluate the performance of different topical formulations and optimize their composition for enhanced drug delivery. Factors such as the type of excipients, formulation viscosity, drug concentration, and pH can be varied to assess their impact on drug permeation and skin penetration. Transdermal Patch Evaluation: For transdermal drug delivery systems, such as patches, the Franz diffusion cell apparatus is instrumental in assessing the release kinetics and permeation characteristics of drugs through the skin. This information is crucial for designing patches with optimal drug delivery profiles and ensuring therapeutic efficacy. Skin Penetration Studies: In addition to drug release, the Franz diffusion cell apparatus can be used to investigate the penetration of drugs or active ingredients into different layers of the skin. By analyzing samples collected from various depths within the skin, researchers can assess the distribution and localization of the drug following topical application. Bioequivalence Studies: The Franz diffusion cell apparatus is also utilized in bioequivalence studies to compare the performance of generic and reference topical formulations. By measuring the rate and extent of drug release and permeation, researchers can determine whether the generic formulation is therapeutically equivalent to the reference product.
In pyrogen testing on rabbits, a telethermometer plays a crucial role in monitoring body temperature changes. Here's how it's used: Temperature Measurement: Pyrogen testing involves the administration of a test substance (e.g., potential pharmaceutical products or medical devices) to the rabbit, followed by monitoring for signs of fever (pyrexia). A telethermometer is used to continuously measure the rabbit's body temperature before and after the administration of the test substance. Baseline Measurement: Before conducting the test, baseline body temperature readings are taken to establish a reference point. This helps in identifying any deviations from the normal temperature range during the test period. Detection of Pyrogenic Response: Following the administration of the test substance, the rabbit's body temperature is monitored closely using the telethermometer. An increase in body temperature above a predefined threshold indicates a pyrogenic response, suggesting the presence of fever-inducing substances (pyrogens) in the test substance. Real-time Monitoring: A telethermometer allows for real-time monitoring of body temperature changes, providing researchers with immediate feedback on the rabbit's physiological response to the test substance. This enables prompt decision-making regarding the continuation or termination of the test based on the observed pyrogenic response. Data Recording and Analysis: Telethermometers often come with data recording capabilities, allowing researchers to log temperature measurements at regular intervals throughout the testing period. This data can be analyzed to assess the onset, duration, and magnitude of the pyrogenic response, aiding in the interpretation of test results. Animal Welfare: Continuous temperature monitoring with a telethermometer helps ensure the welfare of the test animals by enabling early detection of fever and prompt intervention if necessary. This minimizes potential discomfort or distress experienced by the animals during the testing process. Overall, the use of a telethermometer in pyrogen testing on rabbits enhances the accuracy, reliability, and efficiency of the testing procedure, ultimately contributing to the safety evaluation of pharmaceutical products and medical devices intended for human use.
Major technical parameters: Hydrogen gas flow rate: 0-500 ml/min Hydrogen purity: 99.999%-99.9999% Hydrogen output pressure: 0-4 Bar 0-7 bar Technology: PEM Warranty: 12 months Applications: GC, GC-FID
8 ( 2500mm ) L x 5 (1500mm ) W x 34 ( 850mm ) Ht with 2 tire Modular Type reagent racks and PP sink with 3-way goose neck tap, black granite top and with Bottom Storage. Modular Laboratory Furniture are made from MS CRCA 20 & 18g Sheet. All cabinets component parts cut & shaped entirely on CNC fabricating machines, and jointed on MIG Welding for deep weld penetration & thus imparting immense strength to the body structure. Knocked down bodies in which the component parts are loosely held at edges which make the transportation economical. The bodies are neatly jointed together with accurately matching sides avoiding any gaps in between the units. All units have independent construction to form a rigid integral structure. All the front door, drawer's front panel or fascia and side of the storage cabinet are of double wall sound deafening sandwiched type construction.
Feature: 1)High automation 2)Optimize software, save glass material 3)High speed and high work efficiency 4)Any shape available
Cartridge Filter, Water Filters, Industrial Filters, Industrial Cartridge Filter Housing Stainless steel cartridge filter housing Bag filter housing Sanitary cartridge filter housing Blue water filter housing Jumbo water filter RO membrane housing
1.Fob shenzhen. 2.Moq:one 20 feet container. 3.Lead time:35day after receipt 30% of the deposit. 4.Sample is free. 20pcs one set=10.5'' dinner plate+8.5''soup plate+7.5'' salad plate+180cc cup&saucer, each 4pcs.
Glass Fiber + Resin System Process Technique: Hand lay-up, L-RTM, SMC, etc Type: Polyester FRP Fiber Type: GFRP OEM: with OEM Service Technical Strength: 1) Concept Design 2) Material selection 3) Process determination 4) Model processing 5) Mold design 6) Reverse Engineering Main Advantages: 1) light weight and strong 2) corrosion resistant 3) insulation for heat & electric & sound 4) thermal & electric non-conductivity 5) good resistant to low temperature 6) long service life( the service is more than 20 years) 7) water proof&fire proof 8) enviroment friendliness
Aerogel Blanket Specification HTM Series is a flexible, high-performance, silica aerogel-based insulation material of limited combustibility used for exterior and interior applications. Description: HTM Series is a flexible, high-performance, silica aerogel-based insulation material of limited combustibility used for exterior and interior applications. Supplied in a variety of finishes, the substantial layers of HTM Series meet the requirements for A2 classification (insulation, MgO and plasterboard, and anything you wanted). The product is used to optimize the thermal performance and fire properties of faade systems in a number of ways. These include enhancing the thermal performance of the ventilated faade and addressing thermal bridging in the faade. HTM Series is also useful in minimizing thermal bridges around windows in areas such as window reveals and roller shutter cases.
Conventional Manual Rotary Microtome
Semi Automatic Microtome.
Advanced Manual Rotary Microtome
Types: Porcelain disc insulator/suspension insulator, pin insulator, line post insulator, station post insulator. DISC INSULATORS Porcelain disc insulators are the most widely used in strings, they can be used for any voltage depending on the numberof units mounted in series for transmission and distribution lines. Voltage & Mechanical Range 11kV-765kV. 40kN-300kN. Application The insulators are designed to be suitable for different types of polluted zones and mechanical strength according to client's requrests. Life expectancy of these insulators are extremely high but may be adversely affected if operated beyond specified limits of electrical or mechanical stress. STATION POST INSULATOR the most comprehensive range of porcelain post insulators up to highest system voltages with the most progressive technology, engineering and life time. Short production time, tighter tolerances, flexible design, extra-high mechanical strength and extended creepage distances are possible by wet/dry process. Voltage Range IEC station post insulators manufacture in full accordance to IEC60273. Operating rod columns for disconnectors are manufactured corresponding to the relevant post insulators. Insulation requirements are available in ratings from BIL 60kV to 2550kV. TR station post insulators manufacture in full accordance with ANSI C29.9. Insulation requirements are available in ratings from 95 kV to 2050 kV. Special requirements can be also offered upon request. Standard post insulators conforms to specifications of IEC 60273 and ANSI-C29.9. Application The post insulator up to 500kV can be used for switchgears, disconnectors and substations.
Simple and economical means of freeze drying for stabilization of living material and preservation of fragile substances. - Condenser, control panel, shelves and trays are made of stainless steel - Low noise compressor with a long shelf life - The drying chamber is equipped with organic glass for safety and visibility - Condenser features pre-freezing function
Model Number: L-BATH series Function: For testing small, middle, large sized battery Volume: 30L 1500L Temperature range:-70 180 C Humidity range: 20%RH~98%RH Hazard Level: Designed to meet the safety functions of EUCAR hazard level up to 6. Standards: Battery Test Chambers meet IEC, UL and a variety of other battery test specifications. Equipped with safety functions that protect again fire and bursting of the battery, including a Magnetic lock, pressure relief vent, forced exhaust and fire extinguisher.
Intended use: Toxoplasma IGG/IGM rapid test is a rapid immunochromatographic test for the simultaneous detection of IGM and IGG antibodies to toxoplasma gondii in human serum/plasma. The test can be used as a screening test for toxoplasma infection and as an aid for differential diagnosis of the self limiting primary toxoplasma infections and the potentially fatal secondary toxoplasma infections in conjunction with other criteria. Test principle: The toxoplasma IGG/IGM rapid test is a lateral flow chromatographic immunoassay. The test cassette consists of: 1) A burgundy colored conjugate pad containing toxoplasma recombinant envelope antigens conjugated with colloid gold (toxoplasma conjugates) and rabbit igg-gold conjugates, 2) A nitrocellulose membrane strip containing two test bands (t1 and t2 bands) and a control band (c band). The t1 band is pre-coated with the antibody for the detection of IGM anti-toxoplasma, t2 band is coated with antibody for the detection of igg anti-toxoplasma, and the c band is pre-coated with goat anti rabbit IGG. Absence of any t bands (t1 and t2) suggests a negative result. The test contains an internal control (c band) which should exhibit a burgundy colored band of the immunocomplex of goat anti rabbit igg/rabbit igg-gold conjugate regardless of the color development on any of the t bands. Otherwise, the test result is invalid and the specimen must be retested with another device. Reagents and materials supplied : 1. Test cassette individually foil pouched with a desiccant. 2. Plastic dropper 3. Buffer 4. Package insert. Storage and stability: The kit must be stored at 2-30pc. Warning and precautions: 1. For in vitro diagnostic use only. Not for medicinal use. 2. Do not use beyond expiry date. 3. Read the instructions careful y before performing the test. 4. Handle all specimen as potential y infectious. 5. Follow standard biosafety guidelines for handling and disposal of potential y infective material.
Visual inspection tables are use to carry out inspection of vials or bottles to check any breakage or improper sealing or presence of any foreign particles in powder or liquid. It is equipped with black & white broad with white light at hood for easy & correct inspection of the product. Inspector picks the vial or bottle, Inspect it & if the product found good, places it in center which will move to next machine for further respective operation and in case of any fault, he puts the vial outside the table.
Product description Automatic tension tester Intermolecular Forces formed liquid surface tension.Numbers of tension reflect on liquid sample s physics and chemical properties, it is one of the most important index to product quality. automatic interfacial tension tester apply to GB/T6541,it can test kinds of liquid surface tension and boundary surface tesion.this method sample and accuracy,so it s used widely. Specifications
