Zobrazeno 1 - 10
of 17
pro vyhledávání: '"John N. Gnabre"'
Publikováno v:
Journal of Traditional and Complementary Medicine, Vol 5, Iss 3, Pp 119-126 (2015)
Journal of Traditional and Complementary Medicine
Journal of Traditional and Complementary Medicine
The medicinal properties of the most successful plant in the deserts of the western hemisphere, the creosote bush (Larrea tridentata), are evidenced by the long traditional usage of the plants by the Native Americans Indian tribes in Southwestern Nor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a03c4a3374d3dd5dc41970da8d5fd980
Publikováno v:
Journal of Liquid Chromatography & Related Technologies. 25:3199-3211
High-speed countercurrent chromatography (HSCCC) is a support-free liquid–liquid partition chromatography (Ito, Y. Crit. Rev. Anal. Chem. 1986, 17 (1), 65–143[1]). As an important separation technique, it eliminates complications between solutes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8e380d640bea2762e7f381c6a678657
https://doi.org/10.1081/jlc-120016662
https://doi.org/10.1081/jlc-120016662
Publikováno v:
Journal of Medicinal Chemistry. 41:2994-3000
Nordihydroguaiaretic acid (NDGA, meso-1) possesses four phenolic hydroxyl groups. Treatment of NDGA with 0.50-4.1 equiv of dimethyl sulfate and 3.0-6.0 equiv of potassium carbonate in acetone at 56 degrees C gave nine methylated products. Eight of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee679e803d9101055caf38bf6aea9e4b
https://doi.org/10.1021/jm970819w
https://doi.org/10.1021/jm970819w
Publikováno v:
Journal of Liquid Chromatography & Related Technologies. 21:171-181
Anti-HIV lignans were purified from extract of Larrea tridentata by high-speed countercurrent chromatography (CCC) using pH-zone-refining CCC. When a column filled with methyl t-butyl ether, containing trifluoroacetic acid at 25 mM, was eluted with a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e15d3359c0c15ee781d743306fc11ca
https://doi.org/10.1080/10826079808001946
https://doi.org/10.1080/10826079808001946
Autor:
Irem Unlu, Kuan Chuan Pao, Szu Chun Wu, Jih Ru Hwu, David E. Mold, Ming Hua Hsu, Ru Chih C. Huang, John N. Gnabre
Publikováno v:
ChemMedChem. 9(5)
Cancer has been a primary global health issue for decades, with hepatocellular carcinoma (HCC) resulting in more than half a million new cases annually. With survival rates as low as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e8dcecaf1591f9ee3d0ca2c276bc817
https://pubmed.ncbi.nlm.nih.gov/24648164
https://pubmed.ncbi.nlm.nih.gov/24648164
Autor:
Norio Inokuchi, Kazufusa Shinomiya, Henry M. Fales, Minoru Muto, John N. Gnabre, Yoichiro Ito, Yozo Kabasawa
Publikováno v:
Journal of Chromatography A. 724:179-184
The present studies have been conducted to investigate the cause of an unusually broad peak of ovalbumin obtained by countercurrent chromatography (CCC) reported earlier [K. Shinomija et al., J. Chromatogr., 644 (1993) 215]. A series of CCC experimen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7cf1eadc9d6f3942c064c3a84153f669
https://doi.org/10.1016/0021-9673(95)00911-6
https://doi.org/10.1016/0021-9673(95)00911-6
Publikováno v:
Journal of Chromatography A. 719:353-364
Several lignans, mostly new, were isolated from Larrea tridentata by assay-guided counter-current chromatography (CCC). Using the secreted alkaline phosphatase bioassay of HIV Tat transactivation and the two-phase hexane-ethyl acetate-methanol-water
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f49e7cd63395fc147ed3a5e453ce36a0
https://doi.org/10.1016/0021-9673(95)00727-x
https://doi.org/10.1016/0021-9673(95)00727-x
Autor:
Ru Chih C. Huang, Robert B. Bates, Sriyani Caldera, John N. Gnabre, Kelly J. McClure, Mark E. Malcomson, Jennifer J. Burns
Publikováno v:
Tetrahedron. 51:12203-12210
Fractions from Larrea tridentata with anti-HIV-1 activity (specifically, inhibition of HIV Tat transactivation) were analyzed by GC/MS and NMR and found to contain lignans 1a-i and 2a-d . Assay-guided purification by countercurrent chromatography est
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4519e3b1943458c15d5f025503da6c37
https://doi.org/10.1016/0040-4020(95)00794-9
https://doi.org/10.1016/0040-4020(95)00794-9
Autor:
Ru Chih C. Huang, Robert B. Bates, John N. Gnabre, Benjamin K. Gosse, Christopher W. Dicus, Pichaya Nakkiew
Publikováno v:
Journal of Natural Products. 65:1942-1944
Arganine C (1) and a new saponin, tieghemelin (2), were isolated from Tieghemella heckelii fruits. Arganine C (1) strongly inhibited HIV entry into cells in a cell fusion assay. The less potent tieghemelin (2) was converted into arganine C (1) by red
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::191eed8851c268e0d7fe9bcd098e7501
https://doi.org/10.1021/np020165g
https://doi.org/10.1021/np020165g
Publikováno v:
General Pharmacology: The Vascular System. 24:1107-1113
1. Acetyltylophoroside (AcT) and tylogenin inhibit Na+/K+-ATPase in spite of having structures very different from cardiac glycosides (CGs). 2. Calculation of the lowest energy conformations of AcT and tylogenin and superpositions of these with the X
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53e31ec587a6febe9bea05ca02a971e3
https://doi.org/10.1016/0306-3623(93)90357-4
https://doi.org/10.1016/0306-3623(93)90357-4