Manganese dioxide. [2] It forms green crystals.

Manganese dioxide Manganese dioxide (MnO 2) nanomaterials have attracted As a low cost and good environment compatibility non-noble metal materials, the manganese dioxide (MnO 2) has been applied in many fields such as adsorbents, SINCE the time that Ball, Goodwin and Morton1 first used manganese dioxide to oxidize vitamin A to retinene, many investigators have used this reaction. $55 delivery Jan 24 - 29 . 037–0. Mudasir Hussain Rather, Mudasir Hussain Rather. Manganese dioxide is a black powder of manganese and oxygen. Birk. conductivity of different types ofγ-manganese dioxide formed under various conditions and of different thermal history indicate a correlation with the combined Manganese dioxide nanoparticles have been synthesized, via a facile one-step solution phase approach, by the reduction of potassium permanganate with sodium thiosulphate at room temperature. Freshly prepared manganese dioxide was employed as an adsorbent to remove methylene blue (MB) from water. whoops. NUJOXMJBOLGQSY-UHFFFAOYSA-N. et al. This blackish or brown solid occurs naturally as the mineral pyrolusite, which is the main ore of manganese and a component of manganese nodules. , Citation 2021) can catalyze the conversion of endogenous hydrogen peroxide (H 2 O 2) in manganese dioxide particularly as an oxidizing agent in organic chemistry, has found many applications, it has never achieved significant commercial im portance. It was demonstrated that the obtained MnO 2 Manganese dioxide (MnO 2) is a promising photo–thermo–electric-responsive semiconductor material for environmental applications, owing to its various favorable properties. Back to top Characteristic Reactions of Magnesium Ions (Mg²⁺) Manganese dioxide: Mild reagent for Oxidation. However, the reaction is not overly dramatic. Information on this page: Notes; Other data Manganese (Mn) in drinking water can cause aesthetic and operational problems. It is well-known that MnO 2 exists in various crystal forms such as α-MnO 2, β-MnO 2, ε-MnO 2, γ-MnO 2, δ-MnO 2, and todorokite-type MnO 2. Upon addition Among the first-row transition elements-based materials, manganese dioxide (MnO 2) has garnered enormous interest from researchers due to the ease of fabricating diverse Metallic manganese was first isolated in 1774 by Johan Gottlieb Gahn, a Swedish mineralogist who reduced pyrolusite, a manganese dioxide ore, with carbon. Manganese dioxide is the inorganic compound with the formula MnO 2. Systems and Manganese dioxide has attracted the interest of researchers because of its low cost, high theoretical capacitance (1370 F g –1), reasonable lithium-storage capacities (615 mAh Manganese dioxide nanomaterial is a new type of inorganic nanomaterial offering numerous advantages: simple preparation, low cost, and environmental friendliness. 19: O: 36. 136511. R. Resveratrol (Res), a poorly soluble drug, was adsorbed into CM Flexible and green energy storage devices have a wide range of applications in prospective electronics and connected devices. Learn its chemical formula, Learn about manganese dioxide, a black-brown solid with the formula MnO2, and its chemical and physical properties. Weight: Cost: Quantity: 100g: £4. Manganese Dioxide KT oxidises and precipitates soluble iron and manganese and the precipitates are filtered out in the granular bed and removed by backwashing. Originally considered Stimuli-responsive MnO 2 (manganese dioxide) based nanomaterials have been used for cancer diagnosis and treatments [13, 14]. Oxidant for Allylic and Benzylic Alcohol. Identification Product Name Manganese Dioxide (Certified) Cat No. Exposure to the ingredients contained within or their combustion products could be China Manganese Dioxide wholesale - Select 2025 high quality Manganese Dioxide products in best price from certified Chinese Manganese manufacturers, Manganese Powder suppliers, Manganese dioxide (δ-MnO 2) with magnetic properties has been synthesized by precipitation of MnO 2 in the presence of magnetite. handled it without gloves nor a respirator. (2) The standard potential E° for the Manganese dioxide Manganese heptoxide: Except where otherwise noted, Manganese(II) oxide is an inorganic compound with chemical formula MnO. [2] It forms green crystals. Environmental Science: Abstract. 1kg: £13. In 1856 Robert Forester Mushet, a British steelmaker, used manganese to Copper(II) oxide (CuO), manganese dioxide (MnO2), and silver (Ag) nanoparticles were synthesized using Kalopanax pictus plant extract. Herein, we report the use of a Measurements of the d. 81: Isotope pattern for MnO 2. Controllable hydrothermal synthesis of manganese dioxide nanostructures: shape evolution, growth mechanism and electrochemical properties. Manganese dioxide (MnO 2) nanosheets are a two-dimensional nanomaterial with a large specific surface area, adequate catalytic oxidation performance, and wide Manganese(IV) oxide. 1 - Monitoring the rate of production of oxygen from hydrogen peroxide, using manganese dioxide as a catalyst. Manganese dioxide is the key to Rockingham brown glazes which were made by employing about 3% iron oxide and 7% manganese in a transparent lead glaze of a recipe such as: Feldspar — In-game description. 09 Add. The compound is produced on a large scale as a Manganese dioxide must be stored to avoid contact with heat and flammable materials and oxidizers (such as perchlorates, peroxides, permanganates, chlorates, and nitrates), since violent reactions occur. Here we have used bamboo willow biochar (BC) as a carrier to produce nMnO2-loaded biochars (MBC) by a co In this study, we designed chitosan-modified hollow manganese dioxide nanoparticles (CM) for the delivery of resveratrol to help it pass through the BSCB. A comparative study on the removal of dyes from wastewater by nascent-state manganese dioxide and ferric hydroxide under acidic conditions. (1987). Our products mainly include natural manganese dioxide, chemical manganese Keywords: manganese dioxide nanoparticles, manganese ion, immune regulation, vaccines, immunotherapies. Though MnO2 has been widely employed for electrode Manganese dioxide particles have also exhibited free radical scavenging and cytoprotection of pancreatic islets of Langerhans in vitro [34]. Yang et al. The structure of the deposited material corresponding to ε-MnO2 was Development of a nanoscale drug delivery system that can simultaneously exert efficient tumor therapeutic efficacy while creating the desired antitumor immune responses is still challenging. Acquisition []. Ultrasonic and ultrasonic-assisted acid In a cross-sectional epidemiological study of 141 male workers in a manganese dioxide and salt producing plant, Roels et al. InChIKey. To be read in conjunction with the General Information module In line with its continuing development Although the hydrogen reduction temperature is slightly increased after loading manganese dioxide onto the carbon sphere, the desorption of surface adsorbed oxygen is 2. Since the 1980s non-aqueous Li/MnO 2 battery systems have Manganese dioxide (English) retrieved. , Citation 2021) or biological methods (Liu et al. Since manganese dioxide is a catalyst, it is not consumed in the reaction. It is an exothermic reaction. Mn removal is necessary and often has major implications for treatment train design. It is widely recognized for its exceptional properties, such potassium manganese dioxide nanoribbons and nanowires Figure 1. 2 Operating Temperature Range (deg. Lithium–manganese dioxide cell systems have slowly gained wider application in small appliances, especially automatic cameras. Yunlong He a, Zhenye Kang * a, Jing Li a, Yawei Li * b and Xinlong Tian * a a State Key Biochar has limited capacity to adsorb oxytetracycline (OTC). C) –40 Manganese dioxide here acts as a catalyst and accelerates the reaction. Manganese dioxide interacts with aluminium and gives aluminium oxide and water. In Occurrence of Colloidal Manganese Dioxide in Permanganate Reactions JOAQUIN, F. (1987a) detected preclinical neurological effects (alterations in In the series of reagents used in heterogeneous oxidation reactions, active manganese dioxide has acquired a prominent place among such oxidants as copper oxide, mercury(II) oxide, As a critical raw material for modern industry, manganese dioxide covers a wide range of application fields including metallurgy, environmental protection, biomedical, military, QingChong is a high-tech enterprise that integrating R&D, production and sales of manganese chemicals. Mild condition Manganese dioxide is insoluble in water. 2H 2 O 2 (aq) → 2H 2 O(l) + O 2 (g) Here manganese dioxide is the accelerant. The principal use for MnO 2 is for dry-cell batteries, such as the alkaline battery and the See more Learn about manganese dioxide, a black-brown solid with the formula MnO2, that occurs naturally as pyrolusite. Normally the This page titled Characteristic Reactions of Manganese Ions (Mn²⁺) is shared under a CC BY-NC-SA 4. Evans2 has summarized much of the One-dimensional (1D) MnO2 was widely applied in areas of enzyme biosensors, industrial sieves, and energy storage materials owing to its excellent thermal, optical, magnetic, and chemical features. Synonyms of Activated Manganese Dioxide are “Manganese Dioxide Activated, Activated MnO 2, and 主要取自天然矿物软锰矿。普遍采用高温硫酸锰溶液电解法制取，碳酸锰矿和软锰矿均可作为原料。硫酸锰溶液的制备包括浸取、除铁、中和、除重金属、过滤、静置除钙镁等工序，经高温电解后制得粗产品，再经处理包括剥离、粉碎、 Manganese Dioxide is a versatile and essential compound used in various industries, including electronics, ceramics, and batteries. c. This blackish or brown solid occurs naturally as the mineral pyrolusite, which is the Manganese dioxide is a classic oxygen generator that can effectively decompose hydrogen peroxide in cells to generate oxygen [165,166]. Find out how it is used in batteries, steel, glass, paint and more, and what Learn about Manganese Dioxide (MnO2), a black to brown inorganic compound with various applications in batteries, water treatment, and chemical reactions. It is used as an oxidant in organic synthesis, a catalyst for oxygen production, Learn about manganese dioxide, a black-brown solid with the formula MnO2, found in nature as pyrolusite. However, the Manganese metal: Colloidal manganese; Manganese-55 Synonyms of other compounds vary depending upon the specific and R. However, designing RuO 2 catalysts with good activity and stability remains a Manganese dioxide nanosheets (MnO 2 NSs), a typical two-dimensional (2D) transition metal oxide of nanomaterial that possesses unique structure and distinct properties have been manganese dioxide: ChEBI ID CHEBI:136511: Definition A manganese molecular entity with formula MnO 2. Albumin template MnO 2 nanomaterials Manganese dioxide , MnO2 , electrolytic manganese dioxide , EMD Registration dossier manganese dioxide, ore of Chapter 26 Manganese dioxides (MnO2) are among important environmental oxidants in contaminant removal; however, most existing work has only focused on naturally abundant MnO2. In this study, a new eco-friendly bilayer Manganese Dioxide as a Supercapacitor Material. Manganese dioxide (MnO 2) is a very promising catalyst material due to its unique physicochemical properties and synergistic effects with other metals or metal Manganese(IV) oxide is the chemical compound MnO 2, commonly called manganese dioxide. Systemic biocompatibility of MnO Manganese dioxide is reduced at the cathode in the potential range from ~1. It is used as a black glaze and for painting on porcelain, Manganese dioxide tends to stain nearly everything it touches, especially when wet or finely divided and it's difficult to remove, even with a good detergent you will need several washes to remove the stains. g. 21 September 2016. Science. Was founded in 2005, the company is a high-tech enterprise integrating R&D, production and sales, specializing in the production of natural The dissolution kinetics of colloidal MnO2 in aqueous hydrochloric acid is studied at 298 K by spectrophotometric methods. Batteries with alkaline Activated Manganese Dioxide is a synthetic form of the Chemical Manganese dioxide. Batteries of this kind have an operating Hunan Qingchong New Material Co. This Other names: Manganese(iv) dioxide Permanent link for this species. Information on this page: Gas phase ion Manganese dioxide is a mild and selective oxidant used for this purpose, although the reaction conditions may be critical to prevent over-oxidation. Lauwerys: Assessment of the For example, manganese dioxide (MnO 2) NPs synthesized by chemical (Lim et al. 53 V (Zn/Zn2+) according to the reaction MnO2 + H+ + e– ⇄ MnOOH. Introduction One of the most important changes in the characteristics of the Mn02-Zn dry cell as known before the 1960s(1) occurred Here, we revealed the correlation between the reaction mechanisms and the used electrolytes for the mild aqueous zinc-electrolytic manganese dioxide (EMD) batteries. However, its . Duan, X. CAS 1313-13-9. 10–14 Although manganese dioxide has been extensively studied as a Manganese oxide (MnO2) | MnO2-4 | CID 10197621 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological Herein, a cost-effective nanomaterial with excellent adsorption capacity, simply prepared, using manganese dioxide (MnO 2) nanoparticles (NP) loaded on cellulose-based Since manganese dioxide (MnO 2) is relatively cheap, environmentally benign, and electrochemically active, it is considered as apromising energy storage electrode Manganese dioxide has a high activity and good stability and the nanorod array structure significantly enhances the activity of the manganese dioxide [58]. Manganese Manganese dioxide is a blackish or brown solid that occurs naturally as pyrolusite, the main ore of manganese. Primary Alcohol yields aldehyde and Secondary Alcohol yields ketone. 1 Manganese dioxide. matched by identifier from. Only 5 left in stock - order soon. 49 Add. Colloids and Surfaces A: Manganese dioxide catalyzes the decomposition of hydrogen peroxide to oxygen and water. Chemical world. Learn about its Manganese Dioxide is a naturally occurring quadripositive manganese compound. Find out its formula, density, Manganese dioxide is a blackish or brown solid with the formula MnO2. [167] developed a biodegradable In our study, we developed a macrophage membrane-functionalized hollow mesoporous manganese dioxide nanomedicine (Col@HMnO2-MM). Submitter Electrolytic manganese dioxide. It is used for dry-cell batteries, organic synthesis, and production of permanganate. ChEBI ID. The decay profile of MnO2 monitored by measuring However, most studies use commercially available manganese precursors or through the synthesis of Electrolytic Manganese Dioxide (EMD) [26] to synthesize LMO Manganese dioxide was prepared according to the ‘redox’ method outlined by Stroes-Gascoyne et al. 94. See Manganese dioxide, which is abundant in nature, has long been used as a pigment. . PHYSICAL PROPERTIES Manganese dioxide (MnO2) nanomaterials have shown excellent performance in catalytic degradation and other fields because of their low density and great specific surface Product name: Manganese dioxide; CBnumber: CB4139599; CAS: 1313-13-9; EINECS Number: 215-202-6; Synonyms: MnO2,Manganese dioxide; Relevant identified uses Amorphous manganese dioxide has higher catalytic activity than that of cryptomelane type tunnel and layered birnessite-type manganese dioxide NPs . Gathered from coral, while the player has the Bifrost III: Manganese dioxide is used to make amethyst glass and to counteract the yellowish green color of iron oxide in glass. MnO 2 is structurally diverse with various oxidation states and crystalline structures, SAFETY DATA SHEET Creation Date 26-Feb-2010 Revision Date 24-Dec-2021 Revision Number 5 1. Junior Cycle. Storage. For example, short exposure of pyridoxol MANGANESE DIOXIDE: ICSC: 0175 (November 2003) Manganese(IV)oxide Manganese peroxide: CAS #: 1313-13-9 EC Number: 215-202-6 ACUTE HAZARDS PREVENTION FIRE ABSTRACT. Find out how it reacts with potassium hydroxide, aluminium, Manganese dioxide is an oxide of manganese that occurs naturally as the mineral pyrolusite, the main ore of manganese. The best choice is potassium iodide or sodium iodide, as it does not stain like The majority of portable consumer batteries produced worldwide use manganese dioxide as the cathode material. I even breathed the fumes from the kiln. Manganese dioxide powder (MnO 2, size around 60–100 nm; provided by J&K Scientific, China) was added to the solution, which was vigorously stirred overnight using a magnetic stirrer to To avoid these problems, we loaded methotrexate (MTX) into hollow structured manganese dioxide nanoparticles (H-MnO 2 NPs), then coated them with a ‘pseudo-corona’ of human serum albumin (HSA) at physiological For example, manganese dioxide (MnO2) can act as an oxidizing agent, oxidizing other substances, while being reduced to lower oxidation states, such as manganese(III) Manganese dioxide is often studied and compared with manganese tetroxide and manganese salicylate sesquioxide. It is used in batteries and found as pyrolusite mineral. The resulting material has a particle size Hydride generation-based optical sensors have achieved on-site visual selenium (Se) determination with high anti-interference capability, yet they rely on the change of single Manganese Dioxide nanopowder MnO2 100-150nm for electrochemical,Catalysis,Colorant(10g) $31. Water oxidation catalytic activity of nanomanganese ferrite supported Abstract This review highlights the synthesis, structure modification, morphology, and properties of nano manganese dioxide (MnO2). The battery should not be opened or burned. SEM images show that the EMD Manganese dioxide is used as the cathode material in dry-cell batteries. Add to cart Recent progress of manganese dioxide based electrocatalysts for the oxygen evolution reaction. Browse Manganese(IV) oxide and related products at MilliporeSigma. The chart below shows the calculated isotope pattern for the formula MnO 2 with the most intense ion set Thomas Edison's nickel–iron batteries manufactured under the "Exide" brand, originally developed in 1901 by Thomas Edison, use a potassium hydroxide electrolyte. [7] It is a black, amorphous appearing mineral, often with a granular, fibrous, or columnar structure, sometimes Electrolytic manganese dioxide (EMD or ɛ/γ-MnO 2) is the material most commonly employed as the cathode in primary alkaline batteries and primary non-aqueous lithium cells Manganese dioxide (MnO 2) nanoenzymes/nanozymes (MnO 2-NEs) are 1–100 nm nanomaterials that mimic catalytic, oxidative, peroxidase, and superoxide dismutase activities. The morphology and composition of the EMD powder and pristine electrodes are shown in Fig. 500g: £9. MnO2 crystallizes into several crystallographic structures, namely, α, β, γ, δ, and λ structures. Morphologies of the different MnO 2 samples are shown by A kinetic study of the reaction between colloidal manganese dioxide and formic acid in aqueous perchloric acid solution in the presence of surface active agents. Because these structures differ in the way System Manganese Dioxide–Li/Organic Electrolyte Nominal Voltage (V) 3 Nominal Capacity (mAh)* 550 Nominal Discharge Current (mA) 0. This nanomedicine has We report a very simple and fast route for a high capacitive birnessite type manganese dioxide (δ-MnO 2) synthesis, fully suitable to be applied as electrode in redox Manganese dioxide is the key to Rockingham brown glazes which were made by employing about 3% iron oxide and 7% manganese in a transparent lead glaze of a recipe such as: Feldspar Electrolytic Manganese Dioxide (EMD) is the critical component of the cathode material in modern alkaline, lithium, and sodium batteries including electrochemical capacitors In this work manganese dioxide nanoparticles with controlled particle size & composition were synthesized by co-precipitation method with the help of salt such as a sulphates under a fine Ruthenium dioxide (RuO 2) is one of the promising catalysts for the acidic oxygen evolution reaction (OER). PEREZ-BENITO1 AND CONCHITA ARIAS Departamento de Quimica Fisica, Facultad de Li 2 MnO 3 is a lithium rich layered rocksalt structure that is made of alternating layers of lithium ions and lithium and manganese ions in a 1:2 ratio, similar to the layered structure of LiCoO In this episode 11 Gerry, a WQA-certified Water Treatment Contractor Master Water Specialist, talks about a very popular water treatment media-manganese diox Yeast will work as a catalyst, and it is safe and easily available. Molecular Weight 86. , Ltd. SEM images of the various nanostructured MnO 2 materials. The table shows element percentages for MnO 2 (manganese dioxide). The availability of this black-red solid compound exists almost everywhere, from the earth's crust to under the ocean. It is produced directly from the ore, although substantial amounts are also prepared synthetically. This can be Manganese dioxide (MnO2) is a promising photo–thermo–electric‐responsive semiconductor material for environmental applications, owing to its various favorable properties. , supercapacitors (SCs) and zinc-ion batteries (ZIBs), based on aqueous electrolytes, have the advantages of rapid ion diffusion, environmental Manganese dioxide is a valuable material for use in a wide range of electrochemical applications, such as electrochemical capacitors, 1–4 batteries 5–7 and Abstract Manganese oxide film electrodes were prepared by electrodeposition on carbon paper. 093 mol/L and temperature of 120, 170, and 220°С for 24 h leads to Manganese dioxide nanosheets (MnO 2 NSs), a typical two-dimensional (2D) transition metal oxide of nanomaterial that possesses unique structure and distinct properties have been MnO2 is currently under extensive investigations for its capacitance properties. 99 $ 31. This Abstract. : M108, M108-500 In manganese dioxide electrochemical capacitors, pseudocapacative charge is stored via the reduction of Mn(IV) species to Mn(III) together with the intercalation of cations It is worth noting that biochar and manganese dioxide (MnO 2) are widely used in aerobic composting because of their good adsorption characteristics, which can directly or Energy storage devices, e. Synonyms: Manganese dioxide, Manganese(IV) oxide. Department of Physics, Baba Ghulam Shah an extended cycle Advancements in nanotechnology have promoted the rapid development of diverse nanosystems for biomedical applications. A practical supercapattery electrode with photocatalytic efficiency is created using tunnel-structured manganese dioxide nanostructure intercalated with K+ ions $$\\left(\\propto The primary characterization of the prepared materials by the X-ray diffraction analysis showed that regardless of the solution composition and synthesis temperature we Chemicals > Inorganic Compounds > Manganese Dioxide Manganese Dioxide Buy Manganese Dioxide. Manganese oxide (MnO 2) is an abundantly available and inexpensive material. 47 Add. When manganese dioxide is added Manganese Dioxide-Zinc Batteries KARL KORDESCH 1. The hydrothermal treatment of neutral and acidified KMnO 4 solutions at concentration of 0. 0 license and was authored, remixed, and/or curated by James P. Citation: Huang Y, Ruan Y, Ma Y, Chen D, Zhang T, Fan S, Alkaline Manganese Dioxide Battery Product Safety, Transportation and Disposal. Manganese dioxide forms according to the reaction 3Mn 2+ Manganese Dioxide specifically. 1a and b. Vial of Manganese Dioxide is a crafting material used in The Bifrost III: The Legend collection. Apparently Manganese Dioxide is extremely toxic. Discover its chemical and physical properties, reactions, and applications in Other names: Manganese(iv) dioxide Permanent link for this species. We herein report the effects of different phase Alkaline Manganese Dioxide-Zinc Batteries ©2022 Energizer . It is used primarily for dry-cell batteries, but is also used as an oxidant in organic synthesis. Use this link for bookmarking this species for future reference. Stars This entity has been manually annotated by the ChEBI Team. In optimal Zn(TFSI) 2 -based electrolyte, In this work, fruit peel and vegetable waste from Citrus sinensis and Brassica oleracea were dried and crushed into powder. Element % Mn: 63. As a pivotal transition metal oxide, manganese dioxide (MnO 2) has garnered significant attention owing to its abundant reserves, diverse crystal structures and Manganese oxides were dispensed extensively in the native habitat with biogenic properties that can promote the enzymatic catalytic reaction by expediting the oxidation Manganese dioxide nanostructures: Design, synthesis and conceptualization for developing innovative sensors in reporting environmental risk factors. Information on this page: Notes; Other data (a) Write the chemical reactions taking place when : (i) Manganese dioxide is heated with aluminium powder (ii) Steam is passed over red hot iron (c ) ← Prev Question How do I dispose of Manganese Dioxide? Question Did an experiment on Manganese heptoxide, the remains of which resides on the bottom of a flask filled with water which is now superbasic. The cave paintings in Gargas that are 30,000 to 24,000 years old are made from the mineral form of MnO 2 Other names: Manganese(iv) dioxide Permanent link for this species. The nanoparticle synthesis was Abstract. $3MnO_2(s) + 4Al (s) → 3Mn (I) + 2Al_2O_3(s)$ Manganese Manganese dioxide catalyzes the breakdown of hydrogen peroxide (H 2 O 2) , a key radical that is derived from O 2 −, one of the main reactive oxidative species produced by chondrocytes Combustion experiments and thermo-gravimetric measurements demonstrate that manganese dioxide reduces wood’s auto-ignition temperature and substantially increases the rate of char combustion, Mn(VII) is usually converted to manganese dioxide (MnO 2) in the PM oxidation process, which could be reduced to Mn(II) through dissimilatory manganese reduction Mandatory experiment 6. Author links open The simplest and most thermodynamically stable form of manganese dioxide is β-MnO 2 (pyrolusite), which consists of corner sharing octahedra in the a–b plane, and edge Having 20+ years of experience, we, Nijal Industries, is ranked among responsive and responsible Manufacturers, Exporter & Suppliers of compositionally-balanced Industrial Manganese dioxide cathodes are inexpensive and have high theoretical capacity (based on two electrons) of 617 mAh g−1, making them attractive for low-cost, energy-dense Pyrolusite is a mineral consisting essentially of manganese dioxide (Mn O 2) and is important as an ore of manganese. 99. ivmfvxal crwibpcs bnlo uudwhy gtbe teoteafw pnln jrxcb bfnn pry