A Huhtikangas
Overview
Explore the profile of A Huhtikangas including associated specialties, affiliations and a list of published articles.
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Articles
26
Citations
23
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Recent Articles
1.
Ylinen M, Suhonen P, Naaranlahti T, Lapinjoki S, Huhtikangas A
J Chromatogr
. 1990 May;
505(2):429-34.
PMID: 2355069
No abstract available.
2.
Pennanen S, Huhtikangas A
Photochem Photobiol
. 1990 May;
51(5):515-8.
PMID: 2367548
The naturally occurring cytostatic dimer alkaloids vinblastine 1 and vincristine 2 were photochemically synthesized in slightly acidic aqueous solution from the monomer alkaloids catharanthine 3 and vindoline 4. Multi-centre reactions...
3.
Naaranlahti T, Nordstrom M, Lapinjoki S, Huhtikangas A, Lounasmaa M
J Chromatogr Sci
. 1990 Apr;
28(4):173-4.
PMID: 2079546
A combination of moderate-pressure chromatography on C18 sorbent and preparative HPLC is developed for rapid isolation of alkaloids from Catharanthus roseus. The procedure is optimized for vindoline and catharanthine with...
4.
Lehtola T, Huhtikangas A
J Immunoassay
. 1990 Jan;
11(1):17-30.
PMID: 2332511
A radioimmunoassay (RIA) has been developed for the determination of picogram amounts of aescine, an anti-inflammatory and anti-oedematous glycoside mixture from unpurified extracts of Aesculus hippocastanum. Practically no interference is...
5.
Naaranlahti T, Lapinjoki S, Huhtikangas A, Toivonen L, Kurten U, Kauppinen V, et al.
Planta Med
. 1989 Apr;
55(2):155-7.
PMID: 17262331
Vindoline concentrations in the leaves of 70 CATHARANTHUS ROSEUS of 3 cultivars were analyzed by HPLC, and 3 plants were selected for starting callus cultures on different media. When the...
6.
Lehtola T, Lavikainen O, Huhtikangas A
J Immunoassay
. 1988 Jan;
9(3-4):297-307.
PMID: 3235686
A specific radioimmunoassay (RIA) has been developed for the determination of picogram amounts of trospiumchloride, an anticholinergic agent, from unpurified serum and urine samples. Practically no interference was observed for...
7.
Lapinjoki S, Verajankorva H, Heiskanen J, Niskanen M, Huhtikangas A, Lounasmaa M
Planta Med
. 1987 Dec;
53(6):565-7.
PMID: 3444865
No abstract available.
8.
Huhtikangas A, Lehtola T, Lapinjoki S, Lounasmaa M
Planta Med
. 1987 Feb;
53(1):85-7.
PMID: 3575514
No abstract available.
9.
Lounasmaa M, Saano V, Airaksinen M, Jokela R, Huhtikangas A
Neuropharmacology
. 1986 Aug;
25(8):915-8.
PMID: 3774117
Beta-carbolines and indoloquinolizidines occur in plants, and some of the former compounds also in mammalian tissues. Many beta-carbolines cause tremor or convulsions, and they are among the most potent known...
10.
Penttila I, Huhtikangas A, Herranen J, Moilanen O
J Chromatogr
. 1985 Mar;
338(2):265-72.
PMID: 3998018
The procedure presented for gas-liquid chromatographic analysis of alpha-keto acids is relatively simple, requiring only a few steps for the formation of derivatives suitable for measurement. The recoveries of the...