Zobrazeno 1 - 10
of 272
pro vyhledávání: '"de Jong GJ"'
Publikováno v:
Analytical Chemistry, 77(16), 5277-5282. American Chemical Society
Mol, R, de Jong, GJ & Somsen, GW 2005, ' Atmospheric pressure photoionization for enhanced compatibility in
micellar electrokinetic chromatography-Mass spectrometry ', Analytical Chemistry, vol. 77, no. 16, pp. 5277-5282 . https://doi.org/10.1021/ac05022697
Mol, R, de Jong, GJ & Somsen, GW 2005, ' Atmospheric pressure photoionization for enhanced compatibility in
micellar electrokinetic chromatography-Mass spectrometry ', Analytical Chemistry, vol. 77, no. 16, pp. 5277-5282 . https://doi.org/10.1021/ac05022697
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5d816d631ad66e39b26ee2094830dde9
https://research.vu.nl/en/publications/201517ec-7261-483c-a0ee-e60c8df913c1
https://research.vu.nl/en/publications/201517ec-7261-483c-a0ee-e60c8df913c1
Publikováno v:
Pharmaceutical Research, 20(9), 1437-1443. SPRINGER/PLENUM PUBLISHERS
Eriksson, JHC, Hinrichs, WLJ, de Jong, GJ, Somsen, GW & Frijlink, HW 2003, ' Investigations into the stabilization of drugs by sugar glasses: III. The influence of various high-pH buffers ', Pharmaceutical research, vol. 20, no. 9, pp. 1437-1443 . https://doi.org/10.1023/A:1025762328267
Pharmaceutical research, 20(9), 1437-1443. Springer New York
Eriksson, JHC, Hinrichs, WLJ, de Jong, GJ, Somsen, GW & Frijlink, HW 2003, ' Investigations into the stabilization of drugs by sugar glasses: III. The influence of various high-pH buffers ', Pharmaceutical research, vol. 20, no. 9, pp. 1437-1443 . https://doi.org/10.1023/A:1025762328267
Pharmaceutical research, 20(9), 1437-1443. Springer New York
PURPOSE: To study the effect of the high-pH buffers ammediol, borax, CHES, TRIS, and Tricine on the glass transition temperature of the freeze concentrated fraction (Tg') of trehalose/buffer and inulin/buffer solutions at pH 6.0 and pH 9.8. Also, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::9fd19f6907d8a31359d4ae76758e65c9
https://research.rug.nl/en/publications/611e2682-abf8-49d6-8132-596335ef5982
https://research.rug.nl/en/publications/611e2682-abf8-49d6-8132-596335ef5982
Autor:
Eriksson, HJC, Verweij, WR, Poelstra, K, Hinrichs, WLJ, de Jong, GJ, Somsen, GW, Frijlink, HW
Publikováno v:
Eriksson, HJC, Verweij, WR, Poelstra, K, Hinrichs, WLJ, de Jong, GJ, Somsen, GW & Frijlink, HW 2003, ' Investigations into the stabilisation of drugs by sugar glasses: II-Delivery of an inulin-stabilised alkaline phosphatase in the intestinal lumen via the oral route ', International journal of pharmaceutics, vol. 257, no. 1-2, pp. 273-281 . https://doi.org/10.1016/S0378-5173(03)00152-2
International journal of pharmaceutics, 257(1-2), 273-281. Elsevier
International journal of pharmaceutics, 257(1-2), 273-281. Elsevier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5341c9c42ca8a6ddde72e35f5b80bcbc
https://hdl.handle.net/1871.1/b308ce20-66eb-461b-b371-23ece827fd99
https://hdl.handle.net/1871.1/b308ce20-66eb-461b-b371-23ece827fd99
Publikováno v:
Journal of Separation Science, 24(2), 116-122
On-fiber derivatization has been used for solid-phase microextraction (SPME) with gas chromatography in order to increase the extractability and detectability. Amphetamine, which has been used as a model compound, was derivatized with pentafluorobenz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=narcis______::0a21ab9676f031eb33bc2c1a7b468cfd
https://research.rug.nl/en/publications/0ca850dc-2fe9-4f4c-a520-fa768a75e48f
https://research.rug.nl/en/publications/0ca850dc-2fe9-4f4c-a520-fa768a75e48f
Autor:
Koster, EHM, de Jong, GJ
Publikováno v:
Journal of Chromatography A, 878(1), 27-33. ELSEVIER SCIENCE BV
Theoretical aspects of multiple solid-phase microextraction are described and the principle is illustrated with the extraction of lidocaine from aqueous solutions. With multiple extraction under non-equilibrium conditions considerably less time is re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=narcis______::f6457b690d9ef758cff242249817493f
https://research.rug.nl/en/publications/daff3c0d-9cc0-4243-b65d-49da55caeb63
https://research.rug.nl/en/publications/daff3c0d-9cc0-4243-b65d-49da55caeb63
Autor:
de Jong, GJ
Publikováno v:
Journal of Chromatography B, 739(1), 1-2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=narcis______::cc3cbcc6705d7a9f5acd5ca092cef0c3
https://research.rug.nl/en/publications/5be314a4-525d-4d19-98f1-4a0d85635fb5
https://research.rug.nl/en/publications/5be314a4-525d-4d19-98f1-4a0d85635fb5
Autor:
de Jong, GJ, Koster, EHM
Publikováno v:
Chromatographia, 52, S12-S13
Solid-phase micro-extraction (SPME) is a never sample preparation technique that can be used for gaseous, liquid or solid samples in conjunction with GC, HPLC or CE (e.g. [1]). The use of SPME for the analysis of drugs in biofluids is also becoming p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=narcis______::dbea30cf804985da917a7420274d8160
https://research.rug.nl/en/publications/da063e0a-a232-4ab7-ad37-962be84fd99f
https://research.rug.nl/en/publications/da063e0a-a232-4ab7-ad37-962be84fd99f
Publikováno v:
Rapid Communications in Mass Spectrometry, 14(22), 2103-2111. Wiley
Solid-phase extraction (SPE) was coupled to ion-trap mass spectrometry to determine clenbuterol in urine. For SPE a cartridge exchanger was used and, after extraction, the eluate was directly introduced into the mass spectrometer, For two types of ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=narcis______::f80ddc2607e349b4b35410bb19b64a56
https://research.rug.nl/en/publications/f5aece6a-ac4e-4aa0-8a45-b8643fe0fcc8
https://research.rug.nl/en/publications/f5aece6a-ac4e-4aa0-8a45-b8643fe0fcc8
Publikováno v:
Journal of capillary electrophoresis, 5(3-4), 159-164
Hilhorst, MJ, van Hout, MWJ, Somsen, GW, Franke, JP & de Jong, GJ 1998, ' Profiling of cocaine by micellar electrokinetic chromatography ', JOURNAL OF CAPILLARY ELECTROPHORESIS, vol. 5, no. 3-4, pp. 159-164 .
J. Cap. Elec., 159-164
STARTPAGE=159;ENDPAGE=164;TITLE=J. Cap. Elec.
JOURNAL OF CAPILLARY ELECTROPHORESIS, 5(3-4), 159-164. International Scientific Communications Inc.
Hilhorst, MJ, van Hout, MWJ, Somsen, GW, Franke, JP & de Jong, GJ 1998, ' Profiling of cocaine by micellar electrokinetic chromatography ', JOURNAL OF CAPILLARY ELECTROPHORESIS, vol. 5, no. 3-4, pp. 159-164 .
J. Cap. Elec., 159-164
STARTPAGE=159;ENDPAGE=164;TITLE=J. Cap. Elec.
JOURNAL OF CAPILLARY ELECTROPHORESIS, 5(3-4), 159-164. International Scientific Communications Inc.
The potential of micellar electrokinetic chromatography (MEKC) for the profiling of cocaine samples is described. An MEKC system containing sodium dodecyl sulfate (SDS) and methanol was optimized using a test mixture of cocaine, its common impurities
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::77fc1281246e0e1f19fde61a9e9b39b3
https://research.rug.nl/en/publications/feab0caa-e76c-4972-915a-166399611e1c
https://research.rug.nl/en/publications/feab0caa-e76c-4972-915a-166399611e1c
Autor:
de Jong Gj
Publikováno v:
ELECTROPHORESIS. 31:2299-2299