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Tosoh Corporation polystyrene divinylbenzene guard column
Polystyrene Divinylbenzene Guard Column, supplied by Tosoh Corporation, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/guard+column/column+guard/us12655369-456-8-15
Average 86 stars, based on 1 article reviews
polystyrene divinylbenzene guard column - by Bioz Stars, 2026-10
86/100 stars

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Solvent:

Article Title: Antifoggant composition and anti-fog article having antifogging film formed from said composition
Article Snippet: .. Analyzer: HLC-8320GPC (manufactured by TOSOH CORPORATION) Guard column: TSKgel guardcolumn SuperMP (HZ) M (manufactured by TOSOH CORPORATION) First column: TSKgelcolumn multipore HZ-M (manufactured by TOSOH CORPORATION) Second column: TSKgelcolumn multipore HZ-M (manufactured by TOSOH CORPORATION) Detector: differential refractometer Column temperature: 40° C. Developing solvent: tetrahydrofuran Reference material: polystyrene Flow rate: 0.350 mL/min Sample concentration: 0.2 mass % Injection amount: 10 μL The NCO mol amount contained in 100 parts by mass of the (meth)acrylate polymer and/or copolymer (B) having a blocked isocyanate group is calculated by the following formula. ..

Article Title: Cellulose acetate resin composition
Article Snippet: .. Apparatus: “SYSTEM-21H”, GPC available from Shodex Solvent: acetone Column: two GMHxl (Tosoh Corporation), guard column (TSK gel guard column HXL-H available from Tosoh Corporation) Flow rate: 0.8 ml/min. .. Temperature: 29° C. Sample concentration: 0.25% (wt/vol) Injection volume: 100 μl Detection: MALLS (multi-angle light scattering detector) (“DAWN-EOS” available from Wyatt Technology Corporation) Reference material for MALLS calibration: PMMA (molecular weight: 27600) [Sulfuric Acid Component Amount of Cellulose Acetate (A)] From the perspective of suppressing coloration during melt molding, a sulfuric acid component amount of the cellulose acetate (A) is preferably 350 ppm or less, more preferably 300 ppm or less, and particularly preferably 250 ppm or less.

Concentration Assay:

Article Title: Antifoggant composition and anti-fog article having antifogging film formed from said composition
Article Snippet: .. Analyzer: HLC-8320GPC (manufactured by TOSOH CORPORATION) Guard column: TSKgel guardcolumn SuperMP (HZ) M (manufactured by TOSOH CORPORATION) First column: TSKgelcolumn multipore HZ-M (manufactured by TOSOH CORPORATION) Second column: TSKgelcolumn multipore HZ-M (manufactured by TOSOH CORPORATION) Detector: differential refractometer Column temperature: 40° C. Developing solvent: tetrahydrofuran Reference material: polystyrene Flow rate: 0.350 mL/min Sample concentration: 0.2 mass % Injection amount: 10 μL The NCO mol amount contained in 100 parts by mass of the (meth)acrylate polymer and/or copolymer (B) having a blocked isocyanate group is calculated by the following formula. ..

Injection:

Article Title: Antifoggant composition and anti-fog article having antifogging film formed from said composition
Article Snippet: .. Analyzer: HLC-8320GPC (manufactured by TOSOH CORPORATION) Guard column: TSKgel guardcolumn SuperMP (HZ) M (manufactured by TOSOH CORPORATION) First column: TSKgelcolumn multipore HZ-M (manufactured by TOSOH CORPORATION) Second column: TSKgelcolumn multipore HZ-M (manufactured by TOSOH CORPORATION) Detector: differential refractometer Column temperature: 40° C. Developing solvent: tetrahydrofuran Reference material: polystyrene Flow rate: 0.350 mL/min Sample concentration: 0.2 mass % Injection amount: 10 μL The NCO mol amount contained in 100 parts by mass of the (meth)acrylate polymer and/or copolymer (B) having a blocked isocyanate group is calculated by the following formula. ..

Polymer:

Article Title: Antifoggant composition and anti-fog article having antifogging film formed from said composition
Article Snippet: .. Analyzer: HLC-8320GPC (manufactured by TOSOH CORPORATION) Guard column: TSKgel guardcolumn SuperMP (HZ) M (manufactured by TOSOH CORPORATION) First column: TSKgelcolumn multipore HZ-M (manufactured by TOSOH CORPORATION) Second column: TSKgelcolumn multipore HZ-M (manufactured by TOSOH CORPORATION) Detector: differential refractometer Column temperature: 40° C. Developing solvent: tetrahydrofuran Reference material: polystyrene Flow rate: 0.350 mL/min Sample concentration: 0.2 mass % Injection amount: 10 μL The NCO mol amount contained in 100 parts by mass of the (meth)acrylate polymer and/or copolymer (B) having a blocked isocyanate group is calculated by the following formula. ..

High Performance Liquid Chromatography:

Article Title: Tetravalent antibodies are more potent and efficacious erythropoiesis‐stimulating agents than erythropoietin in vivo
Article Snippet: .. Analytical SEC experiments were performed on an Agilent Infinity II HPLC system, using a TSKgel UP‐SW3000 250A, 4.6 × 300 mm, 2‐μm column (Tosoh, p/n 0023448) with a Guard Column (Tosoh, p/n 0023450). ..

Article Title: Compositions containing activatable antibodies
Article Snippet: .. Analysis was conducted on an HPLC system with autosampler (Dionex U3000 HPLC, UltimateTM WPS-3000TBRS thermostatted biocompatible auto-sampler, Thermofisher Scientific) with column: analytical column (TSKgel G3000SWx1, Cat. No. 08541, Tosoh Bioscience LLC), guard column (TSKgel Guard SWx1, 6 mm×40 mm, Cat. No. 08543, Tosoh Bioscience LLC), and fitted pre-column (0.5 μm pre-column frit, Upchurch Scientific, Cat. No. A-318). ..

Article Title: Structural and physicochemical changes of galactomannan during germination of Gleditsia sinensis seeds.
Article Snippet: Galactomannan (GM) from Gleditsia sinensis (GSG) is a promising natural hydrocolloid due to its modifiability, biocompatibility and biodegradability, but its high molecular weight (Mw) and viscosity limit its dietary fiber applications.. A reagent-free bioconversion strategy was developed by leveraging endogenous enzymes activated during seed germination.. This study aimed to investigate the mechanism for germination under both constantand variable-temperature conditions to modulate the structural and physicochemical properties of GSG through enzymatic depolymerization.

Gel Permeation Chromatography:

Article Title: Cellulose acetate resin composition
Article Snippet: .. Apparatus: “SYSTEM-21H”, GPC available from Shodex Solvent: acetone Column: two GMHxl (Tosoh Corporation), guard column (TSK gel guard column HXL-H available from Tosoh Corporation) Flow rate: 0.8 ml/min. .. Temperature: 29° C. Sample concentration: 0.25% (wt/vol) Injection volume: 100 μl Detection: MALLS (multi-angle light scattering detector) (“DAWN-EOS” available from Wyatt Technology Corporation) Reference material for MALLS calibration: PMMA (molecular weight: 27600) [Sulfuric Acid Component Amount of Cellulose Acetate (A)] From the perspective of suppressing coloration during melt molding, a sulfuric acid component amount of the cellulose acetate (A) is preferably 350 ppm or less, more preferably 300 ppm or less, and particularly preferably 250 ppm or less.

Article Title: Structural and physicochemical changes of galactomannan during germination of Gleditsia sinensis seeds.
Article Snippet: Galactomannan (GM) from Gleditsia sinensis (GSG) is a promising natural hydrocolloid due to its modifiability, biocompatibility and biodegradability, but its high molecular weight (Mw) and viscosity limit its dietary fiber applications.. A reagent-free bioconversion strategy was developed by leveraging endogenous enzymes activated during seed germination.. This study aimed to investigate the mechanism for germination under both constantand variable-temperature conditions to modulate the structural and physicochemical properties of GSG through enzymatic depolymerization.

Analysis:

Article Title: Structural and physicochemical changes of galactomannan during germination of Gleditsia sinensis seeds.
Article Snippet: Galactomannan (GM) from Gleditsia sinensis (GSG) is a promising natural hydrocolloid due to its modifiability, biocompatibility and biodegradability, but its high molecular weight (Mw) and viscosity limit its dietary fiber applications.. A reagent-free bioconversion strategy was developed by leveraging endogenous enzymes activated during seed germination.. This study aimed to investigate the mechanism for germination under both constantand variable-temperature conditions to modulate the structural and physicochemical properties of GSG through enzymatic depolymerization.



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