Search Results - "Vepsäläinen, Jouko J."

Real-Time On-Site Multielement Analysis of Environmental Waters with a Portable X‑ray Fluorescence (pXRF) System by Tiihonen, Tommi E., Nissinen, Tuomo J., Turhanen, Petri A., Vepsäläinen, Jouko J., Riikonen, Joakim, Lehto, Vesa-Pekka

“…Strict regulations are in place to control the effluents of mining sites and other industries. Heavy metal contamination of aquatic systems caused by leakages…”
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Advanced material and approach for metal ions removal from aqueous solutions by Turhanen, Petri A., Vepsäläinen, Jouko J., Peräniemi, Sirpa

“…A Novel approach to remove metals from aqueous solutions has been developed. The method is based on a resin free, solid, non-toxic, microcrystalline…”
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Green and Efficient Esterification Method Using Dried Dowex H+/NaI Approach by Turhanen, Petri A, Leppänen, Jukka, Vepsäläinen, Jouko J

“…The usefulness of dried Dowex H+ cation-exchange resin with or without sodium iodide (NaI) as a catalyst system for different kinds of esterifications using…”
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Altered Polyamine Profiles in Colorectal Cancer by Venäläinen, Markus K, Roine, Antti N, Häkkinen, Merja R, Vepsäläinen, Jouko J, Kumpulainen, Pekka S, Kiviniemi, Mikko S, Lehtimäki, Terho, Oksala, Niku K, Rantanen, Tuomo K

“…The declining mortality rate of patients with colorectal cancer (CRC) can be explained, at least partially, with early diagnosis. Simple diagnostic methods are…”
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Urinary Polyamines as Biomarkers for Ovarian Cancer by Niemi, Riikka Johanna, Roine, Antti N, Häkkinen, Merja R, Kumpulainen, Pekka S, Keinänen, Tuomo A, Vepsäläinen, Jouko J, Lehtimäki, Terho, Oksala, Niku K, Mäenpää, Johanna U

“…Elevated concentrations of polyamines have been found in urine of patients with malignant tumors, including ovarian cancer. Previous research has suffered from…”
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Quantitative metabolite profiling of edible onion species by NMR and HPLC-MS by SOININEN, Tuula H, JUKARAINEN, Niko, AURIOLA, Seppo O. K, JULKUNEN-TIITTO, Riitta, KARJALAINEN, Reijo, VEPSÄLÄINEN, Jouko J

“…Allium genus is a treasure trove of valuable bioactive compounds with potentially therapeutically important properties. This work utilises HPLC-MS and a…”
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Metabolite Profiling of Leek (Allium porrum L) Cultivars by ¹H NMR and HPLC–MS by Soininen, Tuula H, Jukarainen, Niko, Soininen, Pasi, Auriola, Seppo O. K, Julkunen‐Tiitto, Riitta, Oleszek, Wieslaw, Stochmal, Anna, Karjalainen, Reijo O, Vepsäläinen, Jouko J

“…INTRODUCTION: Leek (Allium ampeloprasum var. porrum) is consumed as a vegetable throughout the world. However, little is known about the metabolites of leek…”
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A Novel Strategy for the Preparation of Naturally Occurring Phosphocitrate and Its Partially Esterified Derivatives by Turhanen, Petri A, Demadis, Konstantinos D, Peräniemi, Sirpa, Vepsäläinen, Jouko J

“…A novel method for the synthesis of phosphocitrate (1, PC) starting from triethyl ester of citric acid and MeOPCl2 is described. The method is based on…”
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Unexpected degradation of the bisphosphonate P-C-P bridge under mild conditions by Turhanen, Petri A, Vepsäläinen, Jouko J

“…Unexpected degradation of the P-C-P bridge from novel bisphosphonate derivative 1a and known etidronate trimethyl ester (1b) has been observed under mild…”
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Synthesis of novel bisphosphonate polyamine conjugates and their affinity to hydroxyapatite by Sankala, Elina, Weisell, Janne M., Huhtala, Tuulia, Närvänen, Ale T.O., Vepsäläinen, Jouko J.

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A novel and efficient method to prepare 2-aryltetrahydrofuran-2-ylphosphonic acids by Komissarov, Vsevolod V, Kritzyn, Anatoly M, Vepsäläinen, Jouko J

“…A novel one-pot method was developed for the synthesis of the title compounds starting from 4-chloro-1-aryl-1-butanones 1, phosphorus trichloride and acetic…”
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Synthesis of novel (1-alkanoyloxy-4-alkanoylaminobutylidene)-1,1-bisphosphonic acid derivatives by Turhanen, Petri A, Vepsäläinen, Jouko J

“…A novel strategy for the synthesis of (1-alkanoyloxy-4-alkanoylaminobutylidene)-1,1-bisphosphonic acid derivatives (1a-d) via…”
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First synthesis of etidronate partial amides starting from PCl3 by Turhanen, Petri A, Niemi, Riku, Peräkylä, Mikael, Järvinen, Tomi, Vepsäläinen, Jouko J

“…Methods for the preparation of mixed tetra-amide esters 1 and 2, the partial amide ester 3, and tri- and P,P-diamides 4 and 5 from monophosphorus spieces 12, 8…”
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The combined use of constrained total-line-shape 1H NMR and LC–MS/MS for quantitative analysis of bioactive components in yellow onion by Soininen, Tuula H., Jukarainen, Niko, Julkunen-Tiitto, Riitta, Karjalainen, Reijo, Vepsäläinen, Jouko J.

“…► In this study we applied the CTLS application to onions. ► A total of 17 compounds were assigned and quantified from 1H NMR spectrum. ► The CTLS minimize…”
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Poly­[[tetra­aqua(μ7-hydrogen di­chloro­methyl­enebis­phospho­nato)(μ5-hydro­gen di­chloro­methyl­enebis­phosphon­ato)­tribarium(II)] monohydrate] by Kontturi, Mervi, Peräniemi, Sirpa, Vepsäläinen, Jouko J., Ahlgrén, Markku

“…The title compound, {[Ba3(CHCl2O6P2)2(H2O)4]·H2O}n or {[Ba3(Cl2CP2O6H)(H2O)4]·H2O}n, is two‐dimensional. The asymmetric unit contains three independent Ba2+…”
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Metabolite profiling of leek (Allium porrum L) cultivars by (1) H NMR and HPLC-MS by Soininen, Tuula H, Jukarainen, Niko, Soininen, Pasi, Auriola, Seppo O K, Julkunen-Tiitto, Riitta, Oleszek, Wieslaw, Stochmal, Anna, Karjalainen, Reijo O, Vepsäläinen, Jouko J

“…Leek (Allium ampeloprasum var. porrum) is consumed as a vegetable throughout the world. However, little is known about the metabolites of leek cultivars,…”
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Isolation and characterization of yuremamine, a new phytoindole by Vepsäläinen, Jouko J, Auriola, Seppo, Tukiainen, Mikko, Ropponen, Nina, Callaway, J C

“…Yuremamine was isolated and characterized from the stem bark of Mimosa tenuiflora. This plant is still used by indigenous peoples in North-eastern Brazil to…”
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3-Unsubstituted 1,5-Diaryl-2,4-pentanediones and -4-methoxy-2-pentanones:  Synthesis via Corresponding 3-Hydroxy Ketones Generated from 2-Isoxazolines by Pulkkinen, Juha T, Vepsäläinen, Jouko J

“…Aryl acetaldoximes are reacted with allylarenes in the presence of sodium hypochlorite to give 3,5-bis(arylmethyl)-2-isoxazolines which are then converted to…”
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Selective acetylation of primary amino groups with phenyl acetate; simple synthesis of N,N´-diacetyl polyamines by Ucal, Sebahat, Khomutov, Alex R., Häkkinen, Merja R., Turhanen, Petri A., Vepsäläinen, Jouko J., Weisella, Janne

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Preparation of mixed trialkyl alkylcarbonate derivatives of etidronic acid via an unusual route by Turhanen, Petri A, Weisell, Janne, Vepsäläinen, Jouko J

“…A method to prepare four (3a-d) trialkyl alkylcarbonate esters of etidronate from P,P'-dimethyl etidronate and alkyl chloroformate was developed by utilizing…”
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