Three interval thixotropy test to determine structural regeneration of a glucomannan based hydrocolloid film at air/water interface: Interfacial, molecular, thermal and surface characterization
This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Yilmaz, Mustafa Tahsin [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2016transfer abstract |
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| Schlagwörter: |
Interfacial properties at air/water interface |
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| Umfang: |
11 |
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| Übergeordnetes Werk: |
Enthalten in: Constructing heterogeneous conductive network with core-shell AgFe - Jiang, Tao ELSEVIER, 2022, Amsterdam |
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| Übergeordnetes Werk: |
volume:61 ; year:2016 ; pages:458-468 ; extent:11 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.foodhyd.2016.06.004 |
|---|
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ELV019298110 |
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| 245 | 1 | 0 | |a Three interval thixotropy test to determine structural regeneration of a glucomannan based hydrocolloid film at air/water interface: Interfacial, molecular, thermal and surface characterization |
| 264 | 1 | |c 2016transfer abstract | |
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| 520 | |a This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. | ||
| 520 | |a This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. | ||
| 650 | 7 | |a Thermal properties |2 Elsevier | |
| 650 | 7 | |a Salep glucomannan films |2 Elsevier | |
| 650 | 7 | |a Interfacial properties at air/water interface |2 Elsevier | |
| 650 | 7 | |a Three interval thixotropy test (3ITT) |2 Elsevier | |
| 650 | 7 | |a Molecular characterization |2 Elsevier | |
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10.1016/j.foodhyd.2016.06.004 doi GBV00000000000162A.pica (DE-627)ELV019298110 (ELSEVIER)S0268-005X(16)30253-3 DE-627 ger DE-627 rakwb eng 630 640 630 DE-600 640 DE-600 670 530 660 VZ 33.68 bkl 35.18 bkl 52.78 bkl Yilmaz, Mustafa Tahsin verfasserin aut Three interval thixotropy test to determine structural regeneration of a glucomannan based hydrocolloid film at air/water interface: Interfacial, molecular, thermal and surface characterization 2016transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. Thermal properties Elsevier Salep glucomannan films Elsevier Interfacial properties at air/water interface Elsevier Three interval thixotropy test (3ITT) Elsevier Molecular characterization Elsevier Vatansever, Ceyda oth Enthalten in Elsevier Jiang, Tao ELSEVIER Constructing heterogeneous conductive network with core-shell AgFe 2022 Amsterdam (DE-627)ELV008810036 volume:61 year:2016 pages:458-468 extent:11 https://doi.org/10.1016/j.foodhyd.2016.06.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 33.68 Oberflächen Dünne Schichten Grenzflächen Physik VZ 35.18 Kolloidchemie Grenzflächenchemie VZ 52.78 Oberflächentechnik Wärmebehandlung VZ AR 61 2016 458-468 11 045F 630 |
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10.1016/j.foodhyd.2016.06.004 doi GBV00000000000162A.pica (DE-627)ELV019298110 (ELSEVIER)S0268-005X(16)30253-3 DE-627 ger DE-627 rakwb eng 630 640 630 DE-600 640 DE-600 670 530 660 VZ 33.68 bkl 35.18 bkl 52.78 bkl Yilmaz, Mustafa Tahsin verfasserin aut Three interval thixotropy test to determine structural regeneration of a glucomannan based hydrocolloid film at air/water interface: Interfacial, molecular, thermal and surface characterization 2016transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. Thermal properties Elsevier Salep glucomannan films Elsevier Interfacial properties at air/water interface Elsevier Three interval thixotropy test (3ITT) Elsevier Molecular characterization Elsevier Vatansever, Ceyda oth Enthalten in Elsevier Jiang, Tao ELSEVIER Constructing heterogeneous conductive network with core-shell AgFe 2022 Amsterdam (DE-627)ELV008810036 volume:61 year:2016 pages:458-468 extent:11 https://doi.org/10.1016/j.foodhyd.2016.06.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 33.68 Oberflächen Dünne Schichten Grenzflächen Physik VZ 35.18 Kolloidchemie Grenzflächenchemie VZ 52.78 Oberflächentechnik Wärmebehandlung VZ AR 61 2016 458-468 11 045F 630 |
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10.1016/j.foodhyd.2016.06.004 doi GBV00000000000162A.pica (DE-627)ELV019298110 (ELSEVIER)S0268-005X(16)30253-3 DE-627 ger DE-627 rakwb eng 630 640 630 DE-600 640 DE-600 670 530 660 VZ 33.68 bkl 35.18 bkl 52.78 bkl Yilmaz, Mustafa Tahsin verfasserin aut Three interval thixotropy test to determine structural regeneration of a glucomannan based hydrocolloid film at air/water interface: Interfacial, molecular, thermal and surface characterization 2016transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. Thermal properties Elsevier Salep glucomannan films Elsevier Interfacial properties at air/water interface Elsevier Three interval thixotropy test (3ITT) Elsevier Molecular characterization Elsevier Vatansever, Ceyda oth Enthalten in Elsevier Jiang, Tao ELSEVIER Constructing heterogeneous conductive network with core-shell AgFe 2022 Amsterdam (DE-627)ELV008810036 volume:61 year:2016 pages:458-468 extent:11 https://doi.org/10.1016/j.foodhyd.2016.06.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 33.68 Oberflächen Dünne Schichten Grenzflächen Physik VZ 35.18 Kolloidchemie Grenzflächenchemie VZ 52.78 Oberflächentechnik Wärmebehandlung VZ AR 61 2016 458-468 11 045F 630 |
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10.1016/j.foodhyd.2016.06.004 doi GBV00000000000162A.pica (DE-627)ELV019298110 (ELSEVIER)S0268-005X(16)30253-3 DE-627 ger DE-627 rakwb eng 630 640 630 DE-600 640 DE-600 670 530 660 VZ 33.68 bkl 35.18 bkl 52.78 bkl Yilmaz, Mustafa Tahsin verfasserin aut Three interval thixotropy test to determine structural regeneration of a glucomannan based hydrocolloid film at air/water interface: Interfacial, molecular, thermal and surface characterization 2016transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. Thermal properties Elsevier Salep glucomannan films Elsevier Interfacial properties at air/water interface Elsevier Three interval thixotropy test (3ITT) Elsevier Molecular characterization Elsevier Vatansever, Ceyda oth Enthalten in Elsevier Jiang, Tao ELSEVIER Constructing heterogeneous conductive network with core-shell AgFe 2022 Amsterdam (DE-627)ELV008810036 volume:61 year:2016 pages:458-468 extent:11 https://doi.org/10.1016/j.foodhyd.2016.06.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 33.68 Oberflächen Dünne Schichten Grenzflächen Physik VZ 35.18 Kolloidchemie Grenzflächenchemie VZ 52.78 Oberflächentechnik Wärmebehandlung VZ AR 61 2016 458-468 11 045F 630 |
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10.1016/j.foodhyd.2016.06.004 doi GBV00000000000162A.pica (DE-627)ELV019298110 (ELSEVIER)S0268-005X(16)30253-3 DE-627 ger DE-627 rakwb eng 630 640 630 DE-600 640 DE-600 670 530 660 VZ 33.68 bkl 35.18 bkl 52.78 bkl Yilmaz, Mustafa Tahsin verfasserin aut Three interval thixotropy test to determine structural regeneration of a glucomannan based hydrocolloid film at air/water interface: Interfacial, molecular, thermal and surface characterization 2016transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. Thermal properties Elsevier Salep glucomannan films Elsevier Interfacial properties at air/water interface Elsevier Three interval thixotropy test (3ITT) Elsevier Molecular characterization Elsevier Vatansever, Ceyda oth Enthalten in Elsevier Jiang, Tao ELSEVIER Constructing heterogeneous conductive network with core-shell AgFe 2022 Amsterdam (DE-627)ELV008810036 volume:61 year:2016 pages:458-468 extent:11 https://doi.org/10.1016/j.foodhyd.2016.06.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 33.68 Oberflächen Dünne Schichten Grenzflächen Physik VZ 35.18 Kolloidchemie Grenzflächenchemie VZ 52.78 Oberflächentechnik Wärmebehandlung VZ AR 61 2016 458-468 11 045F 630 |
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Enthalten in Constructing heterogeneous conductive network with core-shell AgFe Amsterdam volume:61 year:2016 pages:458-468 extent:11 |
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Yilmaz, Mustafa Tahsin |
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three interval thixotropy test to determine structural regeneration of a glucomannan based hydrocolloid film at air/water interface: interfacial, molecular, thermal and surface characterization |
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Three interval thixotropy test to determine structural regeneration of a glucomannan based hydrocolloid film at air/water interface: Interfacial, molecular, thermal and surface characterization |
| abstract |
This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. |
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This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. |
| abstract_unstemmed |
This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions. |
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Three interval thixotropy test to determine structural regeneration of a glucomannan based hydrocolloid film at air/water interface: Interfacial, molecular, thermal and surface characterization |
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The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">This work appears to be the first example with respect to two points: First, a film from salep, a glucomannan based hydrocolloid was formed and characterized in terms of interfacial properties. Second, three interval thixotropy test (3ITT) was applied to determine effect of instant interfacial shear stress or shear rate on deformation and regeneration of salep glucomannan (SG) films at air/water interface. In order to assess the interfacial properties, the salep from which SG films was formed was also characterized in terms of compositional, molecular, thermal and surface properties. To determine interfacial properties, the SG films prepared at different concentrations (2–3%) were formed at the water/air interface. Amplitude and frequency sweeps were applied to characterize the structure of the films at equilibrium, revealing a gel-like structure of the SG films at equilibrium. 3ITT revealed that shear rate/stress levels at different concentrations resulted in a remarkable deformation in SG films whereas they were fully recoverable, showing regeneration after distortion by a steady shear flow, as demonstrated by decreasing deformation percentage (D r ) values and increasing time required for the recovery (R time) values at increasing concentrations. 3ITT appeared to be an effective tool to simulate and analyze effects of real pumping, mixing and instant stirring processes during production and handling steps of SG films. The SG films were proven to have improved interfacial properties, which suggests that they may be an alternative to other hydrocolloid based films in terms of adsorbing onto air-water interfaces to reduce surface and interfacial tensions.</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Thermal properties</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Salep glucomannan films</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Interfacial properties at air/water interface</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Three interval thixotropy test (3ITT)</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Molecular characterization</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Vatansever, Ceyda</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="n">Elsevier</subfield><subfield code="a">Jiang, Tao ELSEVIER</subfield><subfield code="t">Constructing heterogeneous conductive network with core-shell AgFe</subfield><subfield code="d">2022</subfield><subfield code="g">Amsterdam</subfield><subfield code="w">(DE-627)ELV008810036</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:61</subfield><subfield code="g">year:2016</subfield><subfield code="g">pages:458-468</subfield><subfield code="g">extent:11</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.foodhyd.2016.06.004</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-PHA</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">33.68</subfield><subfield code="j">Oberflächen</subfield><subfield code="j">Dünne Schichten</subfield><subfield code="j">Grenzflächen</subfield><subfield code="x">Physik</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">35.18</subfield><subfield code="j">Kolloidchemie</subfield><subfield code="j">Grenzflächenchemie</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">52.78</subfield><subfield code="j">Oberflächentechnik</subfield><subfield code="j">Wärmebehandlung</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">61</subfield><subfield code="j">2016</subfield><subfield code="h">458-468</subfield><subfield code="g">11</subfield></datafield><datafield tag="953" ind1=" " ind2=" "><subfield code="2">045F</subfield><subfield code="a">630</subfield></datafield></record></collection>
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