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The particle size of this powder is less than 10nm, which have changed the molecular structure of titanium dioxide and make the photoexcited band extend from ultraviolet to visible light (the band is under 800nm), the product can decompose harmful substances quickly such as formaldehyde, benzene, ammonia, TVOC under the action of visible light, clear environment and remove odor, it is much easier to use than traditional photocatalyst. Specification of Nitrogen Doped Titanium Dioxide: Appearance: white powder Type:Anatase Size:10+-5nm TiO2>95%, N>4% Product Features: 1, antibacterial, deodorant and decompose harmful substances under the action of light wave (220-800nm). 2, barrier ultraviolet, anti-aging. 3, clear environment and remove odor. Storage conditions: Nitrogen Doped Titanium Dioxide should be sealed and stored in a dry and cool environment. It should not be exposed to the air for a long time, to prevent agglomeration due to moisture, affecting the dispersion performance...

  Apperance White granules Package 10x10 in a blister Specification 500mg Usage: Antibiotic drugs Dosage: Oral 0.5g once for adults, once every 6-8 hours, the daily dose does not exceed 4g. The daily dose for children is 20-40mg/Kg, once every 8 hours; the daily dose for infants under 3 months is 30mg/Kg, once every 12 hours. Patients with severe renal impairment need to adjust the dosage.  click to: https://www.bbcapharmaceutical.com/white-granules-amoxicillin-pharmaceutical-capsules-antipyretic_p35.html

  Introduction:  Real- time PCR  is used for sensitive, specific detection and quantification of nucleic acid targets. We have developed powerful assay design algorithms, optimized qPCR regent, intuitive data analysis software, and flexible instrumentation  to help harness the power of qPCR across a rich and diverse set of applications. Explore our robust solutions for your qPCR-based research.  Application:  It can be widely used for Infectious disease research, Food pathogen detection, Waterborne pathogen detection, Pharmaceutical analytics, Stem cell research, Pharmacogenomics research, Oncology and genetic disease research, Plant sciences and agricultural biotechnology.  Working Principle:   The temperature step change is controlled by the semiconductor peltier to realize PCR amp仙cation. Use high-sensitivity MPPC unit to detect fluorescence; Program control channel switching, non-contact excitation/detection on the top structure, coordinated w...

  Carbon nanotubes   are simply classified according to the number of layers of graphene sheets: single-walled carbon nanotubes and multi-walled carbon nanotubes. The difference between the two is mainly reflected in: 1. Discover the time difference In 1991, when Li Ji-ma, an electron microscope expert in the Basic Research Laboratory of NEC Corporation, Japan, observed the C60 structure under a high-resolution transmission electron microscope, he accidentally discovered a diameter of 4-30nm, a length of μm, and a graphite structure on the tube wall. Multilayer carbon molecules, this is the carbon nanotubes that are widely concerned today. However, what Li Ji-ma discovered at the time was not single-walled carbon nanotubes. The minimum number of layers is 2, called double-walled carbon nanotubes. In 1993, the research teams of NEC and IBM successfully synthesized single-layer carbon nanotubes (SWCNTs) at the same time. Figure 1 2. Different structure Multilayer carbon nanotube...

  Under the situation of rapid development of science and technology, to prepare high-temperature, high-performance, new-type materials, the first thing to do is to solve the refractory materials needed in the preparation process. The characteristics of refractory materials are as follows: 1. Mechanical properties The elastic modulus of special refractory materials is large. Most have higher mechanical strength, but compared with metal materials, due to brittleness, impact resistance is very low. Most special refractory materials have high hardness, so they have better resistance to wear, airflow or dust erosion. Most special refractory materials have relatively small high-temperature creep is molybdenum disilicide. The size of the creep value is related to the crystal size, grain boundary material, porosity, etc. 2. Thermal properties (1) Thermal expansion: Thermal expansion refers to the reversible increase and decrease of the linearity and volume temperature of the material. It ...

In 2020, the sudden COVID-19 brought great challenges and challenges to the whole medical system. In the face of sudden public health events, the medical community and the industry launched a joint attack and effectively controlled the domestic epidemic at the fastest speed. In this anti epidemic war, laboratory medicine has made great contributions, especially the point of care testing products and equipment represented by POCT. Wang Qingtao, chairman of the branch of laboratory medicine of Beijing Medical Association and President of POCT equipment technology branch, said in an interview with the health community, "laboratory medicine has made outstanding contributions during the epidemic prevention and control this year. In particular, the rapid detection technology of nucleic acid has won valuable time for the fight against the epidemic while improving the efficiency of epidemic prevention and control." POCT (point of care testing) is a kind of laboratory medicine method ...

  The  Diagnostic Automation Mycoplasma Pneumonia IgM kit  is intended for the qualitative determination of IgM antibodies in human serum to Mycoplasma pneumonia antigen.  The DAI anti- Mycoplasma IgM assay may be used as an aid in the diagnosis of Mycoplasma pneumoniae infection in the adult population. Materials Provided with Mycoplasma Pneumonia IgM Test  Kit: 1. Microassay plate:wells coated with inactivated M. pneumonia (strain FH). antigen 2. HRP Conjugate: Ready to use, Goat anti-human IgM 3. Positive Control: Human serum 4. Calibrator: Human serum 5. Negative Control: Human serum 6. Serum Diluent Type I, Ready to use 7. TMB, Ready to use 8. Stop Solution: Ready to use,1N H2SO4 solution 9. Wash Buffer 10X Materials required but not provided: 1. Freshly distilled or deionized water 2. Dispensing system and/or pipette 3. kit Microplate washer 4.  kit Microplate Reader with 450 single & 600-650nm dual wavelength Mycoplasma Pneumonia IgM Test Kit Bac...

  Bioendo EC Endotoxin Test Kit (End-point Chromogenic Assay, Diazo Coupling) 1. Product Information Bioendo EC Endotoxin Test Kit (End-point Chromogenic Assay, Diazo Coupling) provides a fast measurement for endotoxin quantification. The endotoxin in the sample activates a cascade of enzymes in Amebocyte Lysate, the activated enzyme splits the synthetic substrate, releasing a yellow-colored item. Then the yellow item can further react with diazo reagents to form purple items with maximum absorbance at 545nm. A regular spectrophotometer or plate reader is required for the assay. The purple items are proportional to endotoxin concentration. Then endotoxin is quantified. 2. Product Parameter Sensitivity Range: 0.01-0.1EU/ml (assay time about 46 minutes)                              0.1-1.0EU/ml (assay time about 16 minutes) 3. Product Features and Application Bioendo EC Endotoxin Test Kit (End-...

  Nano TiO2  properties and photocatalytic properties Nano titanium dioxide has the characteristics of small size effect, high specific surface effect and high chemical activity of nano materials, and has high photocatalytic performance.  Nano titanium dioxide  is popular for its advantages such as low price, suitable forbidden band width, large specific surface area, high chemical stability, strong redox ability, no secondary pollution and reusability. The photocatalytic properties of titanium dioxide are determined by its special energy band structure. Under the action of ultraviolet light, the valence band electrons of titanium dioxide are excited to the conduction band to produce highly active electrons—hole pairs, which can be captured by different points after being transferred to the surface of the body. The oxygen and water in the air are activated to generate active oxygen free radicals (0j-) and (on.) free radicals 121,0 and react with H+ to generate H02- f...

  Product Performance The attractive properties of nano materials in terms of structure, photoelectricity and chemical properties have attracted the physicists, materials scientists and chemists. After the concept of nanomaterials was formed in the early 1980s, great attention was paid to the materials in the world. It has a unique physical and chemical properties, so that people realize that its development may bring new opportunities to the physics, chemistry, materials, biology, medicine and other subjects. As the large specific surface area, multi surface active center of the nanoparticles, so it is an excellent catalytic materials. Making ordinary iron, cobalt, nickel, palladium, platinum and other metal catalysts into nanoparticles can greatly improve the catalytic effect. In the petrochemical industry using nano-catalytic materials can improve the efficiency of the reactor, structure, value-added, yield and quality of products. Application of Ni2O3 Powder: 1.  Nano Ni2O...

  Nitrile rubber   is produced by emulsion polymerization of butadiene and acrylonitrile. Its products have excellent oil resistance, high abrasion resistance and good heat resistance. It is made of high-quality nitrile rubber with other additives and refined and processed; it does not contain protein, has no allergic reaction to human skin, is non-toxic, harmless, durable, and has good adhesion. Nitrile gloves  are widely used in housework, electronics, chemicals, aquaculture, glass, food and other factory protection, hospitals, scientific research and other industries. Introduction Nitrile rubber  is produced by emulsion polymerization of butadiene (H2C=CH-CH=CH2) and acrylonitrile (H2C=CH-CN). It is mainly produced by low-temperature emulsion polymerization and has two homopolymers. performance. The butadiene component imparts elasticity and cold resistance to the copolymer, the acrylonitrile component has strong polarity, and the -CN group can make the copolymer ...

The  Endotoxin Challenge Vial   (ECV，Endotoxin Indicator) is used in the validation of dry heat depyrogenation cycles. Endotoxin Challenge Vials are placed in the cold spots of the dry heat oven. After cycle completion, the log reduction in endotoxin levels can be determined by comparing the endotoxin levels in the baked vs non-baked control Endotoxin Indicators. The Endotoxin Challenge vials are designed to indicate a minimum 3-log reduction in endotoxin content when tested using gel clot, kinetic turbidimetric or chromogenic Lyophilized Amebocyte Lysate assays. Endotoxin Challenge Vial contains 1000-10000EU Endotoxin. ECV1250V and ECV2500V are sealed in vials with heat resistant stoppers and labels, which could be placed in dry-heat oven or dry-heat tunnel without removal of stoppers and caps(lid). Validation of dry heat sterilization cycle(s)  is required by ANSI, AAMI, ISO, USP and the FDA to ensure that all items that are required to be sterile orpyrog...

  Hubei Heno Biological Engineering Co., Ltd. is a factory specializing in the production of pure nicotine . Excellence in our product: Our products are made in EnShi , the mysterious latitude 30 degrees across the entire Enshi , is one of China's four major tobacco production base, the hometown of Chinese tobacco, it was entitled "tobacco kingdom" , Our factory is the only one tobacco waste processing unit in HuBei province ,and our factory is one of the most professional manufactures of pure nicotine in china . We are the only manufacturer of raw materials processed into nicotine products. Our pure nicotine can reach 99.99% colorless ,complies with USP standard ,and authorized test report and certification . Excellence in our service: Customer service is something that directs the way we do business. We understand in this high tech world we live in, customer service becomes very impersonal, we know each contact is with an individual Person and pride our...

  What is pure pure nicotine ? Pure pure nicotine  is an organic compound naturally present in tobacco leaves. It is the primary psychoactive substance in tobacco. Tobacco can be smoked, chewed or snuffed to consume the pure nicotine  that it contains. Native Americans had already been smoking tobacco plants for thousands of years when Christopher Columbus and his troops discovered America. Pure pure nicotine  owes its name to Ambassador Nicot who popularised tobacco by introducing it to the Europe court around 1560. The term pure nicotine  only made its first appearance in 1823 when two scientists, Posselt and Reimann, extracted pure nicotine  from tobacco during their in-depth studies on the plant. The many studies conducted on pure nicotine  since that time have highlighted its importance in tobacco addiction. Predominantly found in tobacco leaves, the substance can also be found in small amounts in some plants such as tomatoes and...

  The question may be strange for experimented vapers but it seems to be a matter of concern for most beginners or with a limited experience in this domain. Is the nicotine-free e-cigarette dangerous or a matter of concern? The first thing to consider to correctly answer this question is the context in which vaping is established: here, we are interested in the context of tobacco harm-reduction. Tobacco harm reduction As you can read, “harm-reduction” suggests that the personal vaporizer/electr onic cigarette is not harmless and will probably never be. The Professor Riccardo Polosa is used to mention that “breathing pure mountain air is surely the safer for your health”. Nevertheless, public health professionals who got interested in the e-cigarette agreed to present it as a safer, a less dangerous product compared to the combusted tobacco present in cigarettes; from a relative point of view . And even if a consensus on the level of harm-reduction is still not achi...

  Public health experts: Tobacco harm reduction is the future of pure nicotine Blue Hole New Consumer Report, January 5 news, according to foreign news reports, Jonathan Foulds, professor of public health science and psychiatry and co-director of the Center for Tobacco and Health Research at Pennsylvania State University, was at the Global Tobacco and Nicotine Forum (GTNF) In the previous speech, he said that nicotine is addictive. Most people who smoked 60 cigarettes will become daily smokers. Middle-aged smokers have an average of 20 serious quit attempts. In addition, after deciding to quit smoking, ordinary smokers still have a 95% chance of smoking a year later. Even if they consult and use FDA-approved smoking cessation drugs, they still have an 80% chance of smoking again within a year. Foulds said people smoke because of the psychological effects of nicotine, but inhaling combustible tobacco can have health effects. In order to reduce the harm of nicotine c...

  Nicotine is a chemical compound that is present in tobacco. When tobacco is smoked, nicotine is absorbed through the wall lining of the small air sacs in the lungs. When sniffed or chewed, it is absorbed through the mucous membranes of the nose or mouth. Nicotine can also be absorbed through the skin. Regardless of how nicotine is absorbed, it enters the bloodstream where it circulates throughout the body and travels to the brain where it crosses the blood-brain barrier. Once in the brain, it binds to and activates receptors called the cholinergic receptors. These cholinergic receptors are present in the brain as well as in other areas such as the muscles, heart, adrenal glands and other vital organs. Normally, these receptors are activated by the neurotransmitter acetylcholine which is produced at nerve endings in the brain and in the nerves of the peripheral nervous system. The actions of acetylcholine help to maintain healthy respiration, heart function, mus...

  As you may or may not know, nicotine is the mildly stimulating molecule that we become addicted to when we smoke cigarettes. While high concentrations of nicotine can be found in tobacco (8 – 14%), the addictive alkaloid can also be found in some other unsuspecting items from the Nightshade family of plants, albeit at much lower levels. Common food items such as tomato, potato, green pepper, and aubergine, as well as the leaves of the coca plant all contain traces of nicotine within them. Though it may be a common misconception, in small quantities, ni cotine doesn’t present any untoward dangers to your health. It’s the burning of tobacco materials and the thousands of carcinogenic materials and carbon monoxide that is released into your body every time you smoke, that is the real killer. While nicotine might be the thing that gets you hooked to smoking, there are safer ways to consume it. By switching from smoking to vaping, carbon monoxide and tar are eliminated...

  Gel Clot Lyophilized Amebocyte Lysate (TAL) Single Test in Ampoule 1. Product Information Bioendo’s  Lyophilized Amebocyte Lysate (TAL) reagent  is the product manufactured with amebocyte from blood of Tachypleus tridentatus. After rehydrating TAL reagent with Water for Becterial Endotoxin Test, sample could be added directly to the ampoule. Then incubate solution at 37ºC±1ºC for 60±2 minutes. Take each tube in turn directly from the incubator, and invert it through about 180º in one smooth motion. If a firm gel has formed that remains in place upon inversion, it means the sample contains endotoxin. None extra endotoxin-free tube is needed when do endotoxin detection with our Gel Clot Lyophilized Amebocyte Lysate (TAL) Single Test in Ampoule. 2. Product Parameter Sensitivity Range: 0.03, 0.06, 0.125, 0.25, 0.5, 1.0, 2.0 EU/ml Single Test per Ampoule Positive or Negative Results Require Sample Volume: 0.1ml per Test 3. Product Feature and Application ...

  Endotoxin-specific Lyophilized Amebocyte Lysate 1. Product Information Lyophilized Amebocyte Lysate extracted from horseshoe crab contains factor C pathway which reacts to endotoxin and factor G pathway which reacts to (1,3)- ß-D-Glucan.  Endotoxin-specific Lyophilized Amebocyte Lysate  contains ß-Glucan inhibitor, which will avoid false positive, result happening between factor C pathway and (1,3)- ß-D-Glucan. Endotoxin-specific Lyophilized Amebocyte Lysate is especially suitable for samples with potential which are contaminated by ß-Glucan. Bioendo has two Endotoxin-specific Lyophilized Amebocyte Lysate. One is that operator needs to add 0.1ml Water for BET and 0.1ml sample solution to the ampoule of  Endotoxin-specific Lyophilized Amebocyte Lysate  respectively; the other is that 0.2ml sample solution could be added directly into the ampoule. 2. Product Parameter Sensitivity range: 0.03, 0.06, 0.125, 0.25, 0.5EU/ml 3. Product Applicatio n Endotoxin-specific...