Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography

Refractive index detection (RID) is attractive because it allows approaching the benefits of universal detection with liquid chromatography, by which ideally standard independent calibration and hence compound independent quantification becomes possible. Nevertheless, the implementation of RID has r...
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Gespeichert in:

Autor*in:	Bandini, Elena [verfasserIn] Wicht, Kristina [verfasserIn] Ampe, Adriaan [verfasserIn] Baert, Mathijs [verfasserIn] Eghbali, Hamed [verfasserIn] Lynen, Frédéric [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Refractive index detector Temperature-responsive liquid chromatography Temperature gradients Temperature-responsive polymers

Übergeordnetes Werk:	Enthalten in: Analytica chimica acta - Amsterdam : Elsevier Science, 1947, 1231
Übergeordnetes Werk:	volume:1231

DOI / URN:	10.1016/j.aca.2022.340441

Katalog-ID:	ELV008567808

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520			\|a Refractive index detection (RID) is attractive because it allows approaching the benefits of universal detection with liquid chromatography, by which ideally standard independent calibration and hence compound independent quantification becomes possible. Nevertheless, the implementation of RID has remained limited as it offers poor detection sensitivity while only being compatible with isocratic mobile phases. The implementation of compositional solvent gradients has remained prohibitively challenging in commercial HPLC-RID systems due to the resulting drastic alterations in refractive index and extreme baseline drift. While the refractive index is also highly dependent on temperature, more leeway appears possible to mitigate the problem, particularly when the used temperature gradients can be limited. Temperature-responsive liquid chromatography (TRLC) allows obtaining isocratic reversed phase type of separations, whereby retention is modulated via temperature changes ∼ 15 °C–20 °C above and below the polymer conversion temperature. Elution profiles, reminiscent of what can be obtained with solvent gradients in conventional RPLC, can then be obtained by enacting downwards temperature gradients on the columns. This work comprises a proof-of-principle to illustrate the possibilities of combining thermal gradient TRLC with RID. The observed baseline drift appeared thereby very minor (<5 nRIU min-1), and hence easily controllable. Short chain fatty acids are used as representative compounds to assess this new approach. Overlapping calibration lines are accordingly obtained for all fatty acids between butyric and decanoic acid.
650		4	\|a Refractive index detector
650		4	\|a Temperature-responsive liquid chromatography
650		4	\|a Temperature gradients
650		4	\|a Temperature-responsive polymers
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700	1		\|a Eghbali, Hamed \|e verfasserin \|4 aut
700	1		\|a Lynen, Frédéric \|e verfasserin \|4 aut
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allfields	10.1016/j.aca.2022.340441 doi (DE-627)ELV008567808 (ELSEVIER)S0003-2670(22)01012-1 DE-627 ger DE-627 rda eng 540 DE-600 35.23 bkl Bandini, Elena verfasserin aut Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Refractive index detection (RID) is attractive because it allows approaching the benefits of universal detection with liquid chromatography, by which ideally standard independent calibration and hence compound independent quantification becomes possible. Nevertheless, the implementation of RID has remained limited as it offers poor detection sensitivity while only being compatible with isocratic mobile phases. The implementation of compositional solvent gradients has remained prohibitively challenging in commercial HPLC-RID systems due to the resulting drastic alterations in refractive index and extreme baseline drift. While the refractive index is also highly dependent on temperature, more leeway appears possible to mitigate the problem, particularly when the used temperature gradients can be limited. Temperature-responsive liquid chromatography (TRLC) allows obtaining isocratic reversed phase type of separations, whereby retention is modulated via temperature changes ∼ 15 °C–20 °C above and below the polymer conversion temperature. Elution profiles, reminiscent of what can be obtained with solvent gradients in conventional RPLC, can then be obtained by enacting downwards temperature gradients on the columns. This work comprises a proof-of-principle to illustrate the possibilities of combining thermal gradient TRLC with RID. The observed baseline drift appeared thereby very minor (<5 nRIU min-1), and hence easily controllable. Short chain fatty acids are used as representative compounds to assess this new approach. Overlapping calibration lines are accordingly obtained for all fatty acids between butyric and decanoic acid. Refractive index detector Temperature-responsive liquid chromatography Temperature gradients Temperature-responsive polymers Wicht, Kristina verfasserin aut Ampe, Adriaan verfasserin aut Baert, Mathijs verfasserin (orcid)0000-0002-3303-7446 aut Eghbali, Hamed verfasserin aut Lynen, Frédéric verfasserin aut Enthalten in Analytica chimica acta Amsterdam : Elsevier Science, 1947 1231 Online-Ressource (DE-627)300896468 (DE-600)1483436-4 (DE-576)081952619 1873-4324 nnns volume:1231 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.23 Analytische Chemie: Allgemeines AR 1231
spelling	10.1016/j.aca.2022.340441 doi (DE-627)ELV008567808 (ELSEVIER)S0003-2670(22)01012-1 DE-627 ger DE-627 rda eng 540 DE-600 35.23 bkl Bandini, Elena verfasserin aut Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Refractive index detection (RID) is attractive because it allows approaching the benefits of universal detection with liquid chromatography, by which ideally standard independent calibration and hence compound independent quantification becomes possible. Nevertheless, the implementation of RID has remained limited as it offers poor detection sensitivity while only being compatible with isocratic mobile phases. The implementation of compositional solvent gradients has remained prohibitively challenging in commercial HPLC-RID systems due to the resulting drastic alterations in refractive index and extreme baseline drift. While the refractive index is also highly dependent on temperature, more leeway appears possible to mitigate the problem, particularly when the used temperature gradients can be limited. Temperature-responsive liquid chromatography (TRLC) allows obtaining isocratic reversed phase type of separations, whereby retention is modulated via temperature changes ∼ 15 °C–20 °C above and below the polymer conversion temperature. Elution profiles, reminiscent of what can be obtained with solvent gradients in conventional RPLC, can then be obtained by enacting downwards temperature gradients on the columns. This work comprises a proof-of-principle to illustrate the possibilities of combining thermal gradient TRLC with RID. The observed baseline drift appeared thereby very minor (<5 nRIU min-1), and hence easily controllable. Short chain fatty acids are used as representative compounds to assess this new approach. Overlapping calibration lines are accordingly obtained for all fatty acids between butyric and decanoic acid. Refractive index detector Temperature-responsive liquid chromatography Temperature gradients Temperature-responsive polymers Wicht, Kristina verfasserin aut Ampe, Adriaan verfasserin aut Baert, Mathijs verfasserin (orcid)0000-0002-3303-7446 aut Eghbali, Hamed verfasserin aut Lynen, Frédéric verfasserin aut Enthalten in Analytica chimica acta Amsterdam : Elsevier Science, 1947 1231 Online-Ressource (DE-627)300896468 (DE-600)1483436-4 (DE-576)081952619 1873-4324 nnns volume:1231 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.23 Analytische Chemie: Allgemeines AR 1231
allfields_unstemmed	10.1016/j.aca.2022.340441 doi (DE-627)ELV008567808 (ELSEVIER)S0003-2670(22)01012-1 DE-627 ger DE-627 rda eng 540 DE-600 35.23 bkl Bandini, Elena verfasserin aut Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Refractive index detection (RID) is attractive because it allows approaching the benefits of universal detection with liquid chromatography, by which ideally standard independent calibration and hence compound independent quantification becomes possible. Nevertheless, the implementation of RID has remained limited as it offers poor detection sensitivity while only being compatible with isocratic mobile phases. The implementation of compositional solvent gradients has remained prohibitively challenging in commercial HPLC-RID systems due to the resulting drastic alterations in refractive index and extreme baseline drift. While the refractive index is also highly dependent on temperature, more leeway appears possible to mitigate the problem, particularly when the used temperature gradients can be limited. Temperature-responsive liquid chromatography (TRLC) allows obtaining isocratic reversed phase type of separations, whereby retention is modulated via temperature changes ∼ 15 °C–20 °C above and below the polymer conversion temperature. Elution profiles, reminiscent of what can be obtained with solvent gradients in conventional RPLC, can then be obtained by enacting downwards temperature gradients on the columns. This work comprises a proof-of-principle to illustrate the possibilities of combining thermal gradient TRLC with RID. The observed baseline drift appeared thereby very minor (<5 nRIU min-1), and hence easily controllable. Short chain fatty acids are used as representative compounds to assess this new approach. Overlapping calibration lines are accordingly obtained for all fatty acids between butyric and decanoic acid. Refractive index detector Temperature-responsive liquid chromatography Temperature gradients Temperature-responsive polymers Wicht, Kristina verfasserin aut Ampe, Adriaan verfasserin aut Baert, Mathijs verfasserin (orcid)0000-0002-3303-7446 aut Eghbali, Hamed verfasserin aut Lynen, Frédéric verfasserin aut Enthalten in Analytica chimica acta Amsterdam : Elsevier Science, 1947 1231 Online-Ressource (DE-627)300896468 (DE-600)1483436-4 (DE-576)081952619 1873-4324 nnns volume:1231 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.23 Analytische Chemie: Allgemeines AR 1231
allfieldsGer	10.1016/j.aca.2022.340441 doi (DE-627)ELV008567808 (ELSEVIER)S0003-2670(22)01012-1 DE-627 ger DE-627 rda eng 540 DE-600 35.23 bkl Bandini, Elena verfasserin aut Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Refractive index detection (RID) is attractive because it allows approaching the benefits of universal detection with liquid chromatography, by which ideally standard independent calibration and hence compound independent quantification becomes possible. Nevertheless, the implementation of RID has remained limited as it offers poor detection sensitivity while only being compatible with isocratic mobile phases. The implementation of compositional solvent gradients has remained prohibitively challenging in commercial HPLC-RID systems due to the resulting drastic alterations in refractive index and extreme baseline drift. While the refractive index is also highly dependent on temperature, more leeway appears possible to mitigate the problem, particularly when the used temperature gradients can be limited. Temperature-responsive liquid chromatography (TRLC) allows obtaining isocratic reversed phase type of separations, whereby retention is modulated via temperature changes ∼ 15 °C–20 °C above and below the polymer conversion temperature. Elution profiles, reminiscent of what can be obtained with solvent gradients in conventional RPLC, can then be obtained by enacting downwards temperature gradients on the columns. This work comprises a proof-of-principle to illustrate the possibilities of combining thermal gradient TRLC with RID. The observed baseline drift appeared thereby very minor (<5 nRIU min-1), and hence easily controllable. Short chain fatty acids are used as representative compounds to assess this new approach. Overlapping calibration lines are accordingly obtained for all fatty acids between butyric and decanoic acid. Refractive index detector Temperature-responsive liquid chromatography Temperature gradients Temperature-responsive polymers Wicht, Kristina verfasserin aut Ampe, Adriaan verfasserin aut Baert, Mathijs verfasserin (orcid)0000-0002-3303-7446 aut Eghbali, Hamed verfasserin aut Lynen, Frédéric verfasserin aut Enthalten in Analytica chimica acta Amsterdam : Elsevier Science, 1947 1231 Online-Ressource (DE-627)300896468 (DE-600)1483436-4 (DE-576)081952619 1873-4324 nnns volume:1231 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.23 Analytische Chemie: Allgemeines AR 1231
allfieldsSound	10.1016/j.aca.2022.340441 doi (DE-627)ELV008567808 (ELSEVIER)S0003-2670(22)01012-1 DE-627 ger DE-627 rda eng 540 DE-600 35.23 bkl Bandini, Elena verfasserin aut Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Refractive index detection (RID) is attractive because it allows approaching the benefits of universal detection with liquid chromatography, by which ideally standard independent calibration and hence compound independent quantification becomes possible. Nevertheless, the implementation of RID has remained limited as it offers poor detection sensitivity while only being compatible with isocratic mobile phases. The implementation of compositional solvent gradients has remained prohibitively challenging in commercial HPLC-RID systems due to the resulting drastic alterations in refractive index and extreme baseline drift. While the refractive index is also highly dependent on temperature, more leeway appears possible to mitigate the problem, particularly when the used temperature gradients can be limited. Temperature-responsive liquid chromatography (TRLC) allows obtaining isocratic reversed phase type of separations, whereby retention is modulated via temperature changes ∼ 15 °C–20 °C above and below the polymer conversion temperature. Elution profiles, reminiscent of what can be obtained with solvent gradients in conventional RPLC, can then be obtained by enacting downwards temperature gradients on the columns. This work comprises a proof-of-principle to illustrate the possibilities of combining thermal gradient TRLC with RID. The observed baseline drift appeared thereby very minor (<5 nRIU min-1), and hence easily controllable. Short chain fatty acids are used as representative compounds to assess this new approach. Overlapping calibration lines are accordingly obtained for all fatty acids between butyric and decanoic acid. Refractive index detector Temperature-responsive liquid chromatography Temperature gradients Temperature-responsive polymers Wicht, Kristina verfasserin aut Ampe, Adriaan verfasserin aut Baert, Mathijs verfasserin (orcid)0000-0002-3303-7446 aut Eghbali, Hamed verfasserin aut Lynen, Frédéric verfasserin aut Enthalten in Analytica chimica acta Amsterdam : Elsevier Science, 1947 1231 Online-Ressource (DE-627)300896468 (DE-600)1483436-4 (DE-576)081952619 1873-4324 nnns volume:1231 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.23 Analytische Chemie: Allgemeines AR 1231
language	English
source	Enthalten in Analytica chimica acta 1231 volume:1231
sourceStr	Enthalten in Analytica chimica acta 1231 volume:1231
format_phy_str_mv	Article
bklname	Analytische Chemie: Allgemeines
institution	findex.gbv.de
topic_facet	Refractive index detector Temperature-responsive liquid chromatography Temperature gradients Temperature-responsive polymers
dewey-raw	540
isfreeaccess_bool	false
container_title	Analytica chimica acta
authorswithroles_txt_mv	Bandini, Elena @@aut@@ Wicht, Kristina @@aut@@ Ampe, Adriaan @@aut@@ Baert, Mathijs @@aut@@ Eghbali, Hamed @@aut@@ Lynen, Frédéric @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
hierarchy_top_id	300896468
dewey-sort	3540
id	ELV008567808
language_de	englisch
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author	Bandini, Elena
spellingShingle	Bandini, Elena ddc 540 bkl 35.23 misc Refractive index detector misc Temperature-responsive liquid chromatography misc Temperature gradients misc Temperature-responsive polymers Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography
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topic_title	540 DE-600 35.23 bkl Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography Refractive index detector Temperature-responsive liquid chromatography Temperature gradients Temperature-responsive polymers
topic	ddc 540 bkl 35.23 misc Refractive index detector misc Temperature-responsive liquid chromatography misc Temperature gradients misc Temperature-responsive polymers
topic_unstemmed	ddc 540 bkl 35.23 misc Refractive index detector misc Temperature-responsive liquid chromatography misc Temperature gradients misc Temperature-responsive polymers
topic_browse	ddc 540 bkl 35.23 misc Refractive index detector misc Temperature-responsive liquid chromatography misc Temperature gradients misc Temperature-responsive polymers
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title	Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography
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title_full	Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography
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author_browse	Bandini, Elena Wicht, Kristina Ampe, Adriaan Baert, Mathijs Eghbali, Hamed Lynen, Frédéric
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title_sort	hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography
title_auth	Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography
abstract	Refractive index detection (RID) is attractive because it allows approaching the benefits of universal detection with liquid chromatography, by which ideally standard independent calibration and hence compound independent quantification becomes possible. Nevertheless, the implementation of RID has remained limited as it offers poor detection sensitivity while only being compatible with isocratic mobile phases. The implementation of compositional solvent gradients has remained prohibitively challenging in commercial HPLC-RID systems due to the resulting drastic alterations in refractive index and extreme baseline drift. While the refractive index is also highly dependent on temperature, more leeway appears possible to mitigate the problem, particularly when the used temperature gradients can be limited. Temperature-responsive liquid chromatography (TRLC) allows obtaining isocratic reversed phase type of separations, whereby retention is modulated via temperature changes ∼ 15 °C–20 °C above and below the polymer conversion temperature. Elution profiles, reminiscent of what can be obtained with solvent gradients in conventional RPLC, can then be obtained by enacting downwards temperature gradients on the columns. This work comprises a proof-of-principle to illustrate the possibilities of combining thermal gradient TRLC with RID. The observed baseline drift appeared thereby very minor (<5 nRIU min-1), and hence easily controllable. Short chain fatty acids are used as representative compounds to assess this new approach. Overlapping calibration lines are accordingly obtained for all fatty acids between butyric and decanoic acid.
abstractGer	Refractive index detection (RID) is attractive because it allows approaching the benefits of universal detection with liquid chromatography, by which ideally standard independent calibration and hence compound independent quantification becomes possible. Nevertheless, the implementation of RID has remained limited as it offers poor detection sensitivity while only being compatible with isocratic mobile phases. The implementation of compositional solvent gradients has remained prohibitively challenging in commercial HPLC-RID systems due to the resulting drastic alterations in refractive index and extreme baseline drift. While the refractive index is also highly dependent on temperature, more leeway appears possible to mitigate the problem, particularly when the used temperature gradients can be limited. Temperature-responsive liquid chromatography (TRLC) allows obtaining isocratic reversed phase type of separations, whereby retention is modulated via temperature changes ∼ 15 °C–20 °C above and below the polymer conversion temperature. Elution profiles, reminiscent of what can be obtained with solvent gradients in conventional RPLC, can then be obtained by enacting downwards temperature gradients on the columns. This work comprises a proof-of-principle to illustrate the possibilities of combining thermal gradient TRLC with RID. The observed baseline drift appeared thereby very minor (<5 nRIU min-1), and hence easily controllable. Short chain fatty acids are used as representative compounds to assess this new approach. Overlapping calibration lines are accordingly obtained for all fatty acids between butyric and decanoic acid.
abstract_unstemmed	Refractive index detection (RID) is attractive because it allows approaching the benefits of universal detection with liquid chromatography, by which ideally standard independent calibration and hence compound independent quantification becomes possible. Nevertheless, the implementation of RID has remained limited as it offers poor detection sensitivity while only being compatible with isocratic mobile phases. The implementation of compositional solvent gradients has remained prohibitively challenging in commercial HPLC-RID systems due to the resulting drastic alterations in refractive index and extreme baseline drift. While the refractive index is also highly dependent on temperature, more leeway appears possible to mitigate the problem, particularly when the used temperature gradients can be limited. Temperature-responsive liquid chromatography (TRLC) allows obtaining isocratic reversed phase type of separations, whereby retention is modulated via temperature changes ∼ 15 °C–20 °C above and below the polymer conversion temperature. Elution profiles, reminiscent of what can be obtained with solvent gradients in conventional RPLC, can then be obtained by enacting downwards temperature gradients on the columns. This work comprises a proof-of-principle to illustrate the possibilities of combining thermal gradient TRLC with RID. The observed baseline drift appeared thereby very minor (<5 nRIU min-1), and hence easily controllable. Short chain fatty acids are used as representative compounds to assess this new approach. Overlapping calibration lines are accordingly obtained for all fatty acids between butyric and decanoic acid.
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title_short	Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography
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author2	Wicht, Kristina Ampe, Adriaan Baert, Mathijs Eghbali, Hamed Lynen, Frédéric
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up_date	2024-07-06T20:08:46.199Z
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Hyphenating temperature gradient elution with refractive index detection through temperature-responsive liquid chromatography

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