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Barcode system eliminates drum mix-ups during LSR molding
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OFTERING, Austria—Elmet GmbH, an Austrian operating system supplier for the injection molding of two-component liquid silicone rubbers, introduced a standardized barcode system for drum...
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OFTERING, Austria—Elmet, an operating system supplier for the injection molding of two-component liquid silicone rubbers, introduced a standardized barcode system for drum labeling and recognition. OFTERING, Austria—Elmet, an operating system supplier for the injection molding of two-component liquid silicone rubbers, introduced a standardized barcode system for drum labeling and recognition. $OFTERING, Austria—Elmet, an operating system supplier for the injection molding of two-component liquid silicone rubbers, introduced a standardized barcode system for drum labeling and recognition.
NR supply, demand doesn't square with price trends
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Some things in life just don't make sense. Take the current state of natural rubber pricing supply and demand. According to the Association of Natural Rubber Producing Countries, there's a current ...
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Some things in life just don't make sense. Take the current state of natural rubber pricing supply and demand. Some things in life just don't make sense. Take the current state of natural rubber pricing supply and demand. $Some things in life just don't make sense. Take the current state of natural rubber pricing supply and demand.
Jobs, supply chain, growth: Why auto is an important part of NAFTA
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TORONTO—The future of Canada's more than one million automotive jobs has emerged as a critical part of what's at stake at the NAFTA renegotiation table in Washington after the U.S. chief...
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TORONTO—The future of Canada's more than one million automotive jobs has emerged as a critical part of what's at stake at the NAFTA renegotiation table in Washington. TORONTO—The future of Canada's more than one million automotive jobs has emerged as a critical part of what's at stake at the NAFTA renegotiation table in Washington. $TORONTO—The future of Canada's more than one million automotive jobs has emerged as a critical part of what's at stake at the NAFTA renegotiation table in Washington.
Continental, Kordsa partner on adhesion system development
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HANOVER, Germany—Continental A.G.'s tire division is partnering with Kordsa Inc., an international supplier of textile reinforcing materials for the tire industry, to develop a sustainable...
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HANOVER, Germany—Continental's tire division is partnering with Kordsa to develop a sustainable adhesion system standard for bonding textile reinforcing materials to rubber-based compounds. HANOVER, Germany—Continental's tire division is partnering with Kordsa to develop a sustainable adhesion system standard for bonding textile reinforcing materials to rubber-based compounds. $HANOVER, Germany—Continental's tire division is partnering with Kordsa to develop a sustainable adhesion system standard for bonding textile reinforcing materials to rubber-based compounds.
Funding leads Fluence Analytics to new phase
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NEW ORLEANS—Back in May, Fluence Analytics said it had raised a Series A round of funding led by Energy Innovation Capital, a venture capital firm that invests in growing companies in energy ...
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NEW ORLEANS—With a Series A round of funding led by Energy Innovation Capital, Fluence Analytics has set a course for growth. NEW ORLEANS—With a Series A round of funding led by Energy Innovation Capital, Fluence Analytics has set a course for growth. $NEW ORLEANS—With a Series A round of funding led by Energy Innovation Capital, Fluence Analytics has set a course for growth.
Barco opens new Georgia plant
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TALLAPOOSA, Ga.—British American Rubber Co., a subsidiary of Montague Investments L.L.C., invested about $10 million to build a specialty rubber compounding facility in Tallapoosa, according ...
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TALLAPOOSA, Ga.—British American Rubber, a subsidiary of Montague Investments, invested about $10 million to build a specialty rubber compounding facility in Tallapoosa, according to President Mike Cash. TALLAPOOSA, Ga.—British American Rubber, a subsidiary of Montague Investments, invested about $10 million to build a specialty rubber compounding facility in Tallapoosa, according to President Mike Cash. $TALLAPOOSA, Ga.—British American Rubber, a subsidiary of Montague Investments, invested about $10 million to build a specialty rubber compounding facility in Tallapoosa, according to President Mike Cash.
Decentralized approach works for Singer
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SAN ANTONIO—For SBP Holdings, parent of rubber goods distributor Singer Equities Inc., it was a big deal when it boosted the size of its corporate staff by 33 percent. That's right, it went ...
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SAN ANTONIO—SBP, parent of rubber goods distributor Singer Equities, has stuck to a decentralized business approach as it has grown significantly, aided by 19 acquisitions made since 1999. SAN ANTONIO—SBP, parent of rubber goods distributor Singer Equities, has stuck to a decentralized business approach as it has grown significantly, aided by 19 acquisitions made since 1999. $SAN ANTONIO—SBP, parent of rubber goods distributor Singer Equities, has stuck to a decentralized business approach as it has grown significantly, aided by 19 acquisitions made since 1999.
Katz sees growth opportunities for polyurethanes
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Linda Katz, the Polyurethanes Manufacturers Association's new president, is very familiar with the plastics world. Her father ran an injection molding company in Wisconsin and she worked there as ...
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Linda Katz discusses the potential of polyurethanes in a variety of industries. Linda Katz discusses the potential of polyurethanes in a variety of industries. $Linda Katz discusses the potential of polyurethanes in a variety of industries.
Cooper Tire completes guayule grant
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FINDLAY, Ohio—Cooper Tire & Rubber Co. and its consortium partners have completed their five-year, $6.9 million Biomass Research and Development Initiative grant on guayule rubber....
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FINDLAY, Ohio—Cooper Tire and its consortium partners have completed their five-year, $6.9 million Biomass Research and Development Initiative grant on guayule rubber. FINDLAY, Ohio—Cooper Tire and its consortium partners have completed their five-year, $6.9 million Biomass Research and Development Initiative grant on guayule rubber. $FINDLAY, Ohio—Cooper Tire and its consortium partners have completed their five-year, $6.9 million Biomass Research and Development Initiative grant on guayule rubber.
Texarkana backing potential Cooper Tire project
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TEXARKANA, Ark.—The city of Texarkana authorized the issuance of industrial development bonds valued at up to $250 million to be used to support investment by Cooper Tire & Rubber Co....
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TEXARKANA, Ark.—The city of Texarkana authorized the issuance of industrial development bonds valued at up to $250 million to be used to support investment by Cooper Tire in its car and light truck tire plant in the Arkansas city. TEXARKANA, Ark.—The city of Texarkana authorized the issuance of industrial development bonds valued at up to $250 million to be used to support investment by Cooper Tire in its car and light truck tire plant in the Arkansas city. $TEXARKANA, Ark.—The city of Texarkana authorized the issuance of industrial development bonds valued at up to $250 million to be used to support investment by Cooper Tire in its car and light truck tire plant in the Arkansas city.
Digital Edition
Digital Edition
Published on January 1, 2002

Protein Allergens from Fresh Latex: Cross-Reactivity and Possible Prevention

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Date Published January 1, 2002
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This Report has been authored by:Rapepun Wititsuwannakul at Prince of Songkla University

Freshly tapped latex was fractionated by ultracentrifugation into rubber layer, C-serum and bottom fractions. The bottom fraction was used for B-serum, bottom membrane protein (BMP) and BM proteolipid (BMPL) preparations. SDS-PAGE immunoblotting revealed the presence of IgE-binding proteins in the C-serum, B-serum, BMP and BMPL fractions but not the rubber layer. The binding of IgE to 33 kD BMPL was observed in all tested sera with positive skin prick test and latex allergy history. An ELISA test was performed to evaluate IgE-binding capacity of the proteins present in C-serum, B-serum and BMP, by using many serum from local latex glove factory workers. The most reactive IgE-binding fraction was identified to be BMP. Similarly, the IgE in serum with high BMP-binding capacity was shown to bind a 33 kD proteolipid isolated from kiwi fruits. Cross-reactivity between 33 kD latex and kiwi proteolipids was revealed from SDS-PAGE immunoblotting inhibition experiment. Moreover, proteins of similar molecular weight around 30 - 33 kD, known as predominantly cross-reactive allergens among banana, latex and avocado, were also isolated as proteolipids in banana, avocado and chestnut. These findings suggest a common presence of (cross-reactive) proteolipid allergens. Hence, a hydrophobic means to eliminate these lipid-soluble allergens seems to be an important solution in preventing latex allergy as well as latex-fruit syndrome.

 
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