Products/Services for Akabori Amino Acid Reaction
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Chemical Manufacturing and Synthesis Services - (348 companies)...processing and pharmaceutical manufacturing. Chemical synthesis involves the conversion of raw materials into more usable molecules and compounds. Catalysis is the process of slowing or speeding up chemical reactions by adding a substance...Chemicals / Chemical ProductsRun / Batch SizeLocation -
Processing Services - (1807 companies)Chemical and material processing services modify chemicals and materials and offer a wide range of services. -
Lead Acid Batteries - (389 companies)Lead acid batteries are made up of plates, lead, and lead oxide with a 35% sulfuric acid and 65% water electrolyte solution. Lead acid batteries are rechargeable batteries consisting of lead plates with a sulfuric acid/water electrolyte solution... -
Catalysts and Initiators - (352 companies)Catalysts and initiators start or promote chemical reactions used to produce organic chemicals, polymers and adhesives. Image credit: Aron Alpha | FuelCellsEtc | Ellsworth Adhesives. Catalysts and initiators are chemicals used to start, promote... -
Neutralization Equipment - (41 companies)Neutralization equipment promotes the chemical process that produces a solution that is neither acidic nor alkaline. Neutralization equipment is used to produce a neutralization reaction, which occurs when an acid and a base, usually both in aqueous... -
Organic Chemicals - (1477 companies)...however, are organic-synthetic chemicals meaning they require a chemical reaction in order to be generated. Types of Organic Chemicals. Organic chemicals are classified according to chemical makeup and structure. Organic chemicals may be divided...
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Inorganic Chemicals and Compounds - (898 companies)KI --- > PbI2 + 2 KNO3. A special kind of double displacement reaction takes place when an acid and base react with each other. The hydrogen ion in the acid reacts with the hydroxyl ion in the base causing the formation of water. Generally...
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Acrylic Adhesives and Acrylate Adhesives - (196 companies)Description. Acrylic adhesives and acrylate adhesives provide excellent environmental resistance and fast-setting times when compared to other resins systems. They are created by polymerizing acrylic or methylacrylic acids through a reaction...
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Etchers and Etching Machines - (63 companies)Etchers and etching machines remove material from the surface of a part using an acid or alkaline chemical solution. Etchers and etching machines, also known as chemical milling machines, use masking substances to protect some surface areas...
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Process Reactors - (219 companies)...without being shut-down. Fed-batch reactors are more common, however, and can achieve high productivities. Batch process reactors are the simplest type. The process reactor is filled with medium and the reaction is allowed to proceed. When the reaction...
Product News
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S. Himmelstein & Company
Solid Flanged Reaction Torquemeters Solid Flanged Reaction Torquemeters from S. Himmelstein. These stationary sensors accurately measure static and dynamic torque of rotating and non-rotating drivelines. They are expected to find wide use in industrial torque measurement and control applications. Outstanding features include short overall length and high torsional stiffness. Sensing elements for low capacity models are manufactured from an aluminum alloy, larger units use 15-5PH stainless steel. Because they have no bearings... (read more)Browse Torque Sensors Datasheets for S. Himmelstein & Company -
Osborne Industries, Inc.
Designing for Reaction Injection Molding Designing a product or part for reaction injection molding (RIM) can be a complex process. Elements such as the materials you plan to use, environmental conditions the part will be subjected to, and your budget will impact choices you make during the design phase. Materials have varying specifications for rigidity and finishing options. Environmental stressors may necessitate reinforcing materials or other design elements to increase strength. Cost can be affected by the material... (read more) -
Osborne Industries, Inc.
Reaction Injection Molding (RIM) of reaction chemistry, cure times, additives, and reinforcements means they can meet or exceed your toughest product requirements. They design RIM polymer formulations for everything from tough elastomers to rigid structural foams. Quality is Always Assured. SPC methods control all phases of production to ensure defect-free deliveries. All incoming RIM material must meet exacting quality tests. All parts are fully post-cured under controlled conditions for optimum physical properties. Quality... (read more) -
High Performance Alloys, Inc.
Nickel resistance to corrosion in acids & alkalis Commercially pure wrought Nickel with good mechanical properties over a wide range of temperature and excellent resistance to many corrosives, in particular hydroxides. Good resistance to corrosion in acids and alkalis and is most useful under reducing conditions. Outstanding resistance to caustic alkalis up to and including the molten state. In acid, alkaline and neutral salt solutions the material shows good resistance, but in oxidizing salt solutions severe attack will occur. Resistant... (read more)Browse Nickel and Nickel Alloys Datasheets for High Performance Alloys, Inc. -
Plast-O-Matic Valves, Inc.
Dripless Acid Dispensing for Battery Production Diaphragm Shutoff Valve and Low Pressure Check Valve Combine for Dripless Dispensing. A battery manufacturer uses a proprietary acid for maximum battery power, performance, and longevity. Key to overall performance is that the acid must not drip on certain components, nor on the exterior housing. The process uses very fine needles to dispense acid in precise locations at 26 PSI. Unfortunately there were trace amounts of the acid remaining in the original dispensing valves that resulted in tiny... (read more) -
Osborne Industries, Inc.
Reaction Injection Molding for Large Parts High tooling costs and fast chemical reaction times typically rule out many plastic molding processes when manufacturing very large plastic parts. Osborne Industries has overcome this obstacle in two ways: First, Osborne Industries can manufacture high quality, composite molds, that can last for many years, making thousands of parts, for a fraction of what a comparable aluminum or nickel-shell plated molds would cost. This is especially important when a part volume is predicted to be relatively... (read more) -
S. Himmelstein & Company
Square Drive Reaction Torque Transducers S. Himmelstein and Company's RTM 2208 and RTM 2209 square drive reaction torque transducers are characterized by high torsional stiffness, very high overload and high extraneous load capacity. Their low weight and compact size simplify installation and handling. Verifying rotational torque applied by heavy power tools, the RTM 2208 and 2209 non-rotating torque transducers permit accurate confirmation of static and dynamic torque. They can be used while the device under test is rotating... (read more) -
S. Himmelstein & Company
Reaction torque sensors with ultimate accuracy is twice the rated torque. Additional strengths are: Combined error of +/- 0.05%. Straightforward installation, in less axial length than needed for a rotary torque sensor. Simple mounting -- no keyed shafts or couplings. Durable -- little-to-no maintenance required. No bearings or speed limits. Typical Applications: Torque measurement via reaction torque sensor is widely used in process control and testing. It can yield valuable information about how a process is running and enable torque control... (read more)Browse Torque Sensors Datasheets for S. Himmelstein & Company -
Asahi/America, Inc.
ECTFE (Halar®) Piping Sulfuric Acid Best Practices Based on Asahi/America 's decades-long experience supplying single and double contained pipe systems with sulfuric acid, we are pleased to make the following material compatibility recommendations. For the premier recommendation with the highest reliability, Ultra Proline (R) ECTFE by Asahi/America provides 25+ year service life with up to 98.3% sulfuric acid. View the guide. (read more) -
Master Bond, Inc.
Non-Drip Epoxy Features Acid Resistance The system 's chemical resistance was successfully tested in chemicals such as 98% sulfuric acid, 25% hydrochloric acid, 20% phosphoric acid, and 15% nitric acid, by soaking cured samples for more than 12 months ", says Senior Product Engineer Rohit Ramnath. "The product also passes the damp heat reliability testing by withstanding 1000 hours of 85 C and 85% Relative Humidity (RH). ". Although EP21ARHTND-2 is capable of curing at room temperature, to optimize its acid resistance properties... (read more)Browse Epoxy Adhesives Datasheets for Master Bond, Inc.
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Microwave‐assisted proteomics
From a more biological viewpoint, this superheating could explain the increase in reaction rates for chemical cleavage of proteins and PTMs, and indeed protein hydrolysis in the case of the Akabori reaction and for amino acid analysis.
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Precursors of Chocolate Aroma: Studies in the Degradation of Amino Acids during the Roasting of Accra Cocoa Beans
Schonberg et al. (1952) claimed that glucose did not degrade a-amino acids at 100°C in the absence of oxygen, but Akabori (1933) reacted glucose with amino acids at 120°C and 140°C and distilled off the expected carbonyl compounds.
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Microwave enhanced akabori reaction for peptide analysis
We have shown that the microwave assisted Akabori reaction identifies both the C-terminus amino acid as well as furnishes a substantial portion of the amino acid sequence from the N-terminus.
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Microwave enhanced Akabori reaction for peptide analysis.
We report here a modified Akabori reaction that rapidly identifies the C-terminus amino acid in a polypeptide including its amino acid sequence information at both the C-terminus and the N-terminus.
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Microwave-assisted enzyme-catalyzed reactions in various solvent systems
Bose et al. developed a microwave- enhanced modification of the Akabori reaction for the identification of the carboxy-terminal amino acid resi- due of peptides and the sequence of some peptide segments starting at the amino terminus [28].
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Microwave‐enhanced enzyme reaction for protein mapping by mass spectrometry: A new approach to protein digestion in minutes
In a recent report, microwave-enhanced modi- fication of the Akabori reaction ( Akabori et al. 1952) for the identification of the carboxy-terminal amino acid residue of peptides (and also the amino acid sequence of some seg- ments of the peptide starting …
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Hydrazine-deproteinated bone mineral
The chemical principle operating in this technique is that concentrated (95 % -k) hydrazine ruptures peptide bonds within proteins, a reaction which has heretofore been used in determining carboxy-terminal amino acid residues in peptide chains ( Akabori et al., 1952) and, in …
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Bacterial toxicity and metabolism of hydrazine fuels
In very high con- centrations, hydrazine reacts with proteins to cleave C-terminal amino acids and release them as acylhydrazines and amines ( Akabori 1952).
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Enzymatic characterization of peptidic materials isolated from aqueous solutions of ammonium cyanide (pH 9) and hydrocyanic acid (pH 6) exposed to ionizing rad...
An alternative approach suggests that polymerization of HCN under anhydrous conditions, followed by reaction with water, can lead to the formation of the peptidic skeleton in the absence of amino acids ( Akabori 1959; Matthews and Moser 1966; Matthews and Moser 1967; Matthews …
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Cumulative subject index, volumes 1–20
… 220 Microwave-assisted acid hydrolysis, of protein, LC MALDI MS/MS with, 16:471 Microwave-assisted enzyme-catalyzed reactions, in solvent sys- tems, 16:581 Microwave-enhanced Akabori reaction for peptide analysis, 13 … … mass spectrometry, of underivatized amino acids , 12:117 Microwave-induced …
