Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Wlodzimierz J. Kopycki"'
Autor:
James D. McChesney, Hala N. ElSohly, Rita M. Moraes, Wlodzimierz J. Kopycki, Edward M. Croom, Alpana S. Joshi
Publikováno v:
Journal of Herbs, Spices & Medicinal Plants. 7:33-42
The relative content of taxol and taxanes in rooted cuttings (~ 1 year old), liner (3–4 years old), and landscape-size (7–8 years old) Taxus plants was investigated. Leaves contained a higher concentration of paclitaxel and taxanes than other pla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0cc7479f1c331e3159c7c11bbae38e7
https://doi.org/10.1300/j044v07n01_05
https://doi.org/10.1300/j044v07n01_05
Publikováno v:
Clinics in Laboratory Medicine. 18:699-704
m-Hydroxybenzoylecgonine (m-OH-BE) and d3-m-hydroxybenzoylecgonine (d3-m-OH-BE) have been synthesized, and a GC/MS procedure with d3-m-OH-BE as internal standard has been developed. Among 24 human urine specimens that were positive for BE, all of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d01ebf33fe510969e55c0e7dcb1cb9cd
https://doi.org/10.1016/s0272-2712(18)30145-8
https://doi.org/10.1016/s0272-2712(18)30145-8
Autor:
Alpana S. Joshi, Wlodzimierz J. Kopycki, James D. McChesney, Edward M. Croom, Hala N. ElSohly, Mahmoud A. ElSohly
Publikováno v:
Journal of Environmental Horticulture. 15:200-205
The taxane content of the needles, stems and clippings of 92 cultivars obtained from ten nurseries in the United States is presented. The analysis of 10-desacetyl baccatin III (1), baccatin III (2), 10-desacetyl taxol (3) cephalomannie (4), 10-desace
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::082525e3b4545595185e27353030136a
https://doi.org/10.24266/0738-2898-15.4.200
https://doi.org/10.24266/0738-2898-15.4.200
Autor:
James D. McChesney, Edward M. Croom, Alpana S. Joshi, Wlodzimierz J. Kopycki, Hala N. ElSohly
Publikováno v:
Phytochemical Analysis. 8:124-129
Clippings of ornamental cultivars of Taxus were collected at different times of the day, and monthly for two growing seasons (June to October 1993 and March to October 1994). Uniformly dried samples were extracted and analysed for their content of si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2902065980671efffa0375d6e3115ad6
https://doi.org/10.1002/(sici)1099-1565(199705)8:3<124::aid-pca342>3.0.co
https://doi.org/10.1002/(sici)1099-1565(199705)8:3<124::aid-pca342>3.0.co
Autor:
Wlodzimierz J. Kopycki, Mahmoud A. ElSohly, James D. McChesney, Edward M. Croom, Alpana S. Joshi, Hala N. ElSohly
Publikováno v:
Phytochemical Analysis. 6:149-156
The taxane content of the needles of 57 cultivars obtained from five major nurseries in the United States is presented. The analysis of taxol (1), and five other related taxanes, 10-desacetyl-7-epi-taxol (2), cephalomannine (3), 10-desacetyl taxol (4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4dd8fa74b902e11693201941000066fe
https://doi.org/10.1002/pca.2800060307
https://doi.org/10.1002/pca.2800060307
Autor:
Jairo Kenupp Bastos, Charles L. Burandt, Wlodzimierz J. Kopycki, James D. McChesney, N. P. Dhammika Nanayakkara
Publikováno v:
Phytochemical Analysis. 6:101-105
A rapid sensitive and reliable reverse phase high performance liquid chromatography method was developed using a Taxsilr column and gradient elution for the routine determination of podophyllotoxin and six related compounds, epipodophyllotoxin, α-pe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48edfe4aa39310471ca3ade26cd3d48c
https://doi.org/10.1002/pca.2800060207
https://doi.org/10.1002/pca.2800060207
Publikováno v:
Journal of analytical toxicology. 23(6)
A gas chromatographic-mass spectrometric (GC-MS) method was used for the simultaneous analysis of cocaine and its metabolites (norcocaine, benzoylecgonine, norbenzoylecgonine, ecgonine methylester, cocaethylene, and the o-, m, and p-hydroxy derivativ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ca5ec1cec8419e7fe1a0b942d6fb1e2
https://pubmed.ncbi.nlm.nih.gov/10517549
https://pubmed.ncbi.nlm.nih.gov/10517549
Autor:
Shixia Feng, Mahmoud A. ElSohly, D. Carr, A. Davis, Wlodzimierz J. Kopycki, Alan B. Jones, Timothy P. Murphy
Publikováno v:
Journal of analytical toxicology. 21(3)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f3a396d5f402c503809e0d4243a5f79
https://pubmed.ncbi.nlm.nih.gov/9602947
https://pubmed.ncbi.nlm.nih.gov/9602947
Autor:
A. S. Joshi, James D. McChesney, E. A. El Kashoury, Wlodzimierz J. Kopycki, E. M. Croom, Hala N. ElSohly
Publikováno v:
Planta medica. 63(1)
The effect of drying intact clippings of Taxus on the recovery of taxol and related compounds was studied under different drying conditions which included tobacco drying barn, greenhouse, shadehouse, air conditioned laboratory, oven, and freeze-dryin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::351a2a98270d9a4b5568d2a9be948aac
https://pubmed.ncbi.nlm.nih.gov/9063101
https://pubmed.ncbi.nlm.nih.gov/9063101