H. Leis

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Femtomole analysis of diclofenac in human plasma by gas chromatography/negative ion chemical ionization mass spectrometry using (18O2) diclofenac as internal standard.

H. Leis, H. Gleispach, V. Nitsche, 1988, Biomedical & environmental mass spectrometry.

Quantitative method for determination of amphetamine in plasma using negative ion chemical ionisation GC-MS of o-(pentafluorobenzyloxycarbonyl)-benzoyl derivatives.

H. Leis, W. Windischhofer, 2012, Journal of separation science.

Determination of homovanillic acid and vanillylmandelic acid in neuroblastoma screening by stable isotope dilution GC-MS.

H. Leis, H. Gleispach, C. Urban, 1997, Journal of mass spectrometry : JMS.

Rapid analysis of non-esterified fatty acids as methyl esters from different biological specimens by gas chromatography after one-step esterification.

W. Welz, H. Leis, E. Malle, 1990, Journal of chromatography.

Quantitative determination of terbutaline and orciprenaline in human plasma by gas chromatography/negative ion chemical ionization/mass spectrometry.

H. Leis, H. Gleispach, V. Nitsche, 1990, Biomedical & environmental mass spectrometry.

Platelet membrane fluidity in type IIA, type IIB and type IV hyperlipoproteinemia.

L. Romics, E. Prenner, H. Leis, 1991, Atherosclerosis.

Bone‐resorbing activity of thyroid hormones is related to prostaglandin production in cultured neonatal mouse calvaria

M. Peterlik, K. Klaushofer, H. Leis, 1989, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

15-Deoxy-Δ12,14-prostaglandin J2 induces Cox-2 expression in human osteosarcoma cells through MAPK and EGFR activation involving reactive oxygen species.

H. Leis, E. Malle, M. Kollroser, 2011, Free radical biology & medicine.

A Novel Class of Defensive Compounds in Harvestmen: Hydroxy-γ-Lactones from the Phalangiid Egaenus convexus

M. Schubert, O. Kunert, S. Dötterl, 2020, Journal of natural products.

Mouse brain plasmalogens are targets for hypochlorous acid-mediated modification in vitro and in vivo.

H. Köfeler, H. Leis, E. Malle, 2010, Free radical biology & medicine.

Colorimetric determination of cell numbers by Janus green staining.

H. Leis, W. Windischhofer, G. Fauler, 1999, Analytical biochemistry.

Extracellular Ca2+ sensing by the osteoblast-like cell line, MC3T3-E1.

H. Leis, H. Gleispach, W. Windischhofer, 1994, Cell calcium.

Preparation of 18O-labelled standards of hydroxy-eicosatetraenoic acids and thromboxanes for quantitative measurement by gas chromatography/mass spectrometry.

H. Esterbauer, J. Nimpf, H. Leis, 1986, Biomedical & environmental mass spectrometry.

Identification and Characterization of the Stability of Hydrophobic Cyclolinopeptides From Flaxseed Oil

M. Murkovic, H. Leis, A. Fojnica, 2022, Frontiers in Nutrition.

Measurement of prostaglandins, thromboxanes and hydroxy fatty acids by stable isotope dilution gas chromatography/mass spectrometry.

E. Hohenester, H. Leis, H. Gleispach, 1987, Biomedical & environmental mass spectrometry.

Rapid separation of arachidonic acid metabolites by silicic acid chromatography for subsequent quantitative analysis by gas chromatography-mass spectrometry.

H. Leis, H. Gleispach, B. Mayer, 1986, Journal of chromatography.

Qualitative and quantitative measurement of hydroxy fatty acids, thromboxanes and prostaglandins using stable isotope dilutions and detection by gas chromatography-mass spectrometry.

H. Esterbauer, H. Leis, H. Gleispach, 1985, Journal of chromatography.

Quantitative measurement of 5-, 12-, and 15-hydroxyeicosatetraenoic acid together with 12-hydroxyheptadecatrienoic acid by stable isotope dilution gas chromatography-negative ion chemical ionization-mass spectrometry.

H. Esterbauer, H. Leis, H. Gleispach, 1987, Analytical biochemistry.

Isotope dilution gas chromatography-mass spectrometry for the study of eicosanoid metabolism in human blood platelets.

H. Leis, H. Gleispach, E. Malle, 1989, Journal of chromatography.

Phenotypic Heterogeneity of Osteoblast‐like MC3T3‐E1 Cells: Changes of Bradykinin‐Induced Prostaglandin E2 Production During Osteoblast Maturation

R. Gruber, H. Leis, H. Gleispach, 1997, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

[3H]Bradykinin Receptor‐Binding, Receptor‐Recycling, and Receptor‐Internalization of the B2 Bradykinin Receptor in the Murine Osteoblast‐like Cell Line MC3T3‐E1

H. Leis, W. Windischhofer, 1997, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

Lysine modification of LDL or lipoprotein(a) by 4-hydroxynonenal or malondialdehyde decreases platelet serotonin secretion without affecting platelet aggregability and eicosanoid formation.

P. Verhallen, H. Leis, E. Malle, 1995, Arteriosclerosis, thrombosis, and vascular biology.

Calcium-independent phospholipases A2 in murine osteoblastic cells and their inhibition by bromoenol lactone: impact on arachidonate dynamics and prostaglandin synthesis

H. Leis, W. Windischhofer, 2016, Journal of enzyme inhibition and medicinal chemistry.

Cyclooxygenase and lipoxygenase metabolites during platelet aggregation: quantitative measurement by negative ion chemical ionization--gas chromatography/mass spectrometry.

J. Nimpf, H. Leis, H. Gleispach, 1987, Prostaglandins, leukotrienes, and medicine.

Effects of dietary fish oil supplementation on platelet aggregability and platelet membrane fluidity in normolipemic subjects with and without high plasma Lp(a) concentrations.

A. Hermetter, E. Prenner, H. Leis, 1991, Atherosclerosis.

Quantitative measurement of amphetamine in human plasma by gas chromatography/negative ion chemical ionization mass spectrometry using (2H5)amphetamine as internal standard.

R. Wintersteiger, H. Leis, W. Windischhofer, 1994, Biological mass spectrometry.

Lipoxygenases and hydroperoxy/hydroxy-eicosatetraenoic acid formation.

H. Leis, E. Malle, G. Kostner, 1987, The International journal of biochemistry.

Endothelin- and sarafotoxin-induced receptor-mediated calcium mobilization in a clonal murine osteoblast-like cell line, MC3T3-E1/B.

H. Leis, W. Windischhofer, D. Zach, 2001, Bone.

Prostaglandin endoperoxide synthase-2 contributes to the endothelin/sarafotoxin-induced prostaglandin E2 synthesis in mouse osteoblastic cells (MC3T3-E1): evidence for a protein tyrosine kinase-signaling pathway and involvement of protein kinase C.

H. Leis, W. Windischhofer, E. Huber, 1998, Endocrinology.

Methyl-ketones in the scent glands of Opiliones: a chemical trait of cyphophthalmi retrieved in the dyspnoan Nemastoma triste

T. Novak, H. Leis, G. Raspotnig, 2018, Chemoecology.

Comparison of the inhibitory effect of nonsteroidal antiinflammatory drugs on bone prostaglandin synthesis and resorption.

M. Peterlik, K. Klaushofer, H. Leis, 1988, The Journal of rheumatology.

Comparative studies on partial microsequence-analysis of Bence-Jones proteins.

H. Leis, E. Malle, W. Palm, 1987, The International journal of biochemistry.

Quantification of 7-dehydrocholesterol in plasma and amniotic fluid by liquid chromatography/particle beam-mass spectrometry as a biochemical diagnostic marker for the Smith-Lemli-Opitz syndrome.

H. Leis, E. Malle, W. Sattler, 1995, Rapid communications in mass spectrometry : RCM.

Quantitative measurement of N-acetyl-L-aspartic acid in urine by gas chromatography with negative-ion chemical ionization mass spectrometry.

P. Ozand, H. Leis, H. Gleispach, 1992, Journal of chromatography.

Involvement of Rho and p38 MAPK in Endothelin‐1‐Induced Expression of PGHS‐2 mRNA in Osteoblast‐Like Cells

H. Köfeler, H. Leis, W. Windischhofer, 2002, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

Reagent or myeloperoxidase-generated hypochlorite affects discrete regions in lipid-free and lipid-associated human apolipoprotein A-I.

W. Keller, H. Leis, E. Malle, 2000, The Biochemical journal.

Gas chromatography-negative ion chemical ionisation mass spectrometry using o-(pentafluorobenzyloxycarbonyl)-2,3,4,5-tetrafluorobenzoyl derivatives for the quantitative determination of methylphenidate in human plasma.

H. Leis, W. Windischhofer, 2011, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

Quantitative determination of methylphenidate in plasma by gas chromatography negative ion chemical ionisation mass spectrometry using o-(pentafluorobenzyloxycarbonyl)-benzoyl derivatives

H. Leis, W. Windischhofer, H. Schütz, 2011, Analytical and bioanalytical chemistry.

Inhibition of prostanoid formation in intact cells by 2,5‐di‐(tert‐butyl)‐1,4‐benzohydroquinone, a blocker of Ca2+‐ATPases

H. Leis, H. Gleispach, W. Windischhofer, 1996, British journal of pharmacology.

Synthesis of new 2-, 3-, and 4-substituted azidoquinolines: inhibitors of human blood platelet aggregation in vitro☆

W. Stadlbauer, H. Leis, E. Malle, 1990 .

(S)-(-)-N-(pentafluorobenzylcarbamoyl)prolyl chloride: a chiral derivatisation reagent designed for gas chromatography/negative ion chemical ionisation mass spectrometry of amino compounds.

H. Leis, W. Windischhofer, 2012, Rapid communications in mass spectrometry : RCM.

A versatile electrophoric derivatisation reagent for negative ion chemical ionisation mass spectrometry: o-(pentafluorobenzyloxycarbonyl)-2,3,4,5-tetrafluorobenzoyl chloride

H. Leis, W. Windischhofer, 2011, Analytical and bioanalytical chemistry.

o-(Pentafluorobenzyloxycarbonyl)benzoyl chloride: a novel electrophoric derivatisation reagent for amino compounds designed for negative ion chemical ionisation mass spectrometry.

H. Leis, W. Windischhofer, 2010, Rapid communications in mass spectrometry : RCM.

Enantioselective quantitative analysis of amphetamine in human plasma by liquid chromatography/high-resolution mass spectrometry

H. Leis, W. Windischhofer, G. Fauler, 2014, Analytical and Bioanalytical Chemistry.

Quantitative determination of amphetamine in plasma using negative ion chemical ionization GC-MS of o-(pentafluorobenzyl-oxycarbonyl)-2,3,4,5-tetrafluorobenzoyl derivatives.

H. Leis, W. Windischhofer, 2012, Journal of separation science.

Effect of the aminosteroid U73122 on prostaglandin E(2) production in a murine clonal osteoblast-like cell line, MC3T3-E1.

H. Köfeler, H. Leis, W. Windischhofer, 2000, Biochemical pharmacology.

Experimental considerations on the measurement of prostaglandins during long-time incubations of neonatal mouse calvaria.

M. Peterlik, K. Klaushofer, H. Leis, 1990, Biochemical and biophysical research communications.

Distinctive Cuticular Hydrocarbon Profiles in Oribatid Mites (Acari: Oribatida)

H. Leis, G. Raspotnig, G. Fauler, 2008 .

Opisthonotal glands in the Camisiidae (Acari, Oribatida): evidence for a regressive evolutionary trend

G. Rechberger, H. Leis, G. Raspotnig, 2009 .

An improved method for the measurement of the angiotensin-converting enzyme inhibitor lisinopril in human plasma by stable isotope dilution gas chromatography/negative ion chemical ionization mass spectrometry.

H. Leis, W. Windischhofer, G. Fauler, 1999, Rapid Communications in Mass Spectrometry.

Quantitative determination of the angiotensin-converting enzyme inhibitor lisinopril in human plasma by stable isotope dilution gas chromatography/negative ion chemical ionization mass spectrometry.

H. Leis, W. Windischhofer, G. Fauler, 1998, Rapid communications in mass spectrometry : RCM.

Quantitative trace analysis of estriol in human plasma by negative ion chemical ionization gas chromatography-mass spectrometry using a deuterated internal standard.

G. Rechberger, H. Leis, W. Windischhofer, 2003, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

Gas chromatography/negative-ion chemical ionisation mass spectrometry for the quantitative analysis of morphine in human plasma using pentafluorobenzyl carbonate derivatives.

H. Leis, W. Windischhofer, G. Fauler, 2002, Rapid communications in mass spectrometry : RCM.

Stable isotope labelling and determination of ketroprofen in human plasma and urine by gas chromatography/negative ion chemical ionization mass spectrometry.

H. Leis, W. Windischhofer, M. Leis, 1996, Journal of mass spectrometry : JMS.

Preparation of Deuterated Diclofenac for Use as an Internal Standard in Quantitative Measurement by Gas Chromatography Negative‐ion Chemical Ionization Mass Spectrometry

H. Leis, H. Gleispach, W. Windischhofer, 1996 .

Stable isotope labelling and quantitative determination of enalaprilate in human plasma by GC–NICI–MS

H. Leis, H. Gleispach, W. Windischhofer, 1995 .

Determination of captopril in human blood by gas chromatography-negative-ion chemical ionization mass spectrometry with [18O4]captopril as internal standard.

W. Welz, H. Leis, E. Malle, 1990, Journal of chromatography.

Simultaneous quantitative determination of α-ketoglutaric acid and 5-hydroxymethylfurfural in human plasma by gas chromatography–mass spectrometry

R. Wintersteiger, F. Donnarumma, H. Leis, 2010, Analytical and bioanalytical chemistry.

Potentiation of endothelin-1-induced prostaglandin E2 formation by Ni(2+) and Sr(2+) in murine osteoblastic MC3T3-E1 cells.

H. Leis, W. Windischhofer, 2016, Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements.

Effect of cytochrome P‐450 inhibitors econazole, bifonazole and clotrimazole on prostanoid formation

H. Köfeler, H. Leis, W. Windischhofer, 2000, British journal of pharmacology.

5-Methyl-2-phenyl-2-hexenal in the scent gland secretion of male cave crickets, Troglophilus cavicola and T. neglectus (Ensifera: Rhaphidophoridae).

G. Kastberger, H. Leis, G. Raspotnig, 1998, Journal of insect physiology.

Chemical basis of unwettability in Liacaridae (Acari, Oribatida): specific variations of a cuticular acid/ester-based system

A. Brückner, H. Leis, G. Raspotnig, 2015, Experimental and Applied Acarology.

“Quinone Millipedes” Reconsidered: Evidence for a Mosaic-Like Taxonomic Distribution of Phenol-Based Secretions across the Julidae

L. Vujisić, D. Antić, S. Makarov, 2016, Journal of Chemical Ecology.

Synthesis of [18O2]valproic acid and its use as an internal standard for the quantitative measurement by gas chromatography–electron ionization mass spectrometry

G. Rechberger, H. Leis, W. Windischhofer, 2003 .

Negative ion chemical ionization for the determination of methylphenidate in human plasma by stable isotope dilution gas chromatography/mass spectrometry.

H. Leis, W. Windischhofer, G. Fauler, 2000, Journal of mass spectrometry : JMS.

Synthesis of d1-N-ethyltramadol as an internal standard for the quantitative determination of tramadol in human plasma by gas chromatography-mass spectrometry.

H. Leis, W. Windischhofer, G. Fauler, 2004, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

Quantitative determination of memantine in human plasma by GC using negative ion chemical ionization MS detection after derivatization with a new reagent, o-(pentafluorobenzyloxycarbonyl)-2,3,4,5-tetrafluorobenzoyl chloride

H. Leis, W. Windischhofer, 2012, Microchimica Acta.

Determination of memantine in human plasma by GC using negative ion chemical ionization MS detection after derivatization with a new reagent

H. Leis, W. Windischhofer, 2012, Microchimica Acta.

The regulatory role of thyroid hormones in bone cell growth and differentiation.

M. Peterlik, K. Klaushofer, F. Varga, 1995, The Journal of nutrition.

Serum amyloid A (SAA) protein enhances formation of cyclooxygenase metabolites of activated human monocytes

A. Bollmann, D. Gemsa, H. Leis, 1997, FEBS letters.

LPA-induced suppression of periostin in human osteosarcoma cells is mediated by the LPA1/Egr-1 axis

H. Leis, E. Malle, W. Windischhofer, 2012, Biochimie.

Chrysomelidial in the Opisthonotal Glands of the Oribatid Mite, Oribotritia berlesei

H. Leis, G. Raspotnig, E. Stabentheiner, 2008, Journal of Chemical Ecology.

Eicosanoid synthesis in the isolated human renal pelvis, ureter and bladder.

U. Zwergel, H. Leis, H. Gleispach, 1991, British journal of urology.

Method for the determination of vitamin K1(20) in human plasma by stable isotope dilution/gas chromatography/mass spectrometry.

J. Schalamon, W. Muntean, H. Leis, 1996, Journal of mass spectrometry : JMS.

Endothelin (ET)‐1 and ET‐3 promote expression of c‐fos and c‐jun in human choriocarcinoma via ETB receptor‐mediated Gi‐ and Gq‐pathways and MAP kinase activation

H. Leis, E. Malle, W. Sattler, 2008, British journal of pharmacology.

Enantioselective trace analysis of amphetamine in human plasma by gas chromatography/negative ion chemical ionization mass spectrometry.

G. Rechberger, H. Leis, W. Windischhofer, 2003, Rapid communications in mass spectrometry : RCM.

Chemistry of the oil gland secretion of Collohmannia gigantea (Acari: Oribatida)

H. Leis, G. Raspotnig, G. Fauler, 2004, Experimental & Applied Acarology.

Quantitative gas chromatographic/mass spectrometric analysis of morphine glucuronides in human plasma by negative ion chemical ionization mass spectrometry.

H. Leis, G. Raspotnig, W. Windischhofer, 2002, Journal of mass spectrometry : JMS.

On the enigmatic scent glands of dyspnoan harvestmen (Arachnida, Opiliones): first evidence for the production of volatile secretions

H. Leis, G. Raspotnig, E. Stabentheiner, 2014, Chemoecology.

Benzoquinone-rich exudates from the harvestman Pachylus paessleri (Opiliones: Gonyleptidae: Pachylinae)

L. E. Acosta, H. Leis, G. Raspotnig, 2010 .

Chemical basis of unwettability in Liacaridae (Acari, Oribatida): specific variations of a cuticular acid/ester-based system

A. Brückner, H. Leis, G. Raspotnig, 2015, Experimental and Applied Acarology.

Wearing a raincoat: exocrine secretions contain anti-wetting agents in the oribatid mite, Liacarus subterraneus (Acari: Oribatida)

H. Leis, G. Raspotnig, 2009, Experimental and Applied Acarology.

Gamma interferon inhibits basal and interleukin 1-induced prostaglandin production and bone resorption in neonatal mouse calvaria.

T. Luger, M. Peterlik, K. Klaushofer, 1987, Biochemical and biophysical research communications.

Bis-pentafluorobenzyl derivatives of N-acetyl-L-methionine and N-acetyl-L-selenomethionine for the quantitative determination in human plasma by gas chromatography-negative ion chemical ionisation mass spectrometry.

R. Wintersteiger, F. Donnarumma, A. Ortner, 2012, Journal of chromatography. A.

Quantitative analysis of clindamycin in human plasma by liquid chromatography/electrospray ionisation tandem mass spectrometry using d1-N-ethylclindamycin as internal standard.

H. Köfeler, G. Rechberger, H. Leis, 2003, Rapid communications in mass spectrometry : RCM.

Phloretin ameliorates 2-chlorohexadecanal-mediated brain microvascular endothelial cell dysfunction in vitro

H. Leis, E. Malle, H. Reicher, 2012, Free radical biology & medicine.

On the inhibition of prostanoid formation by SK&F 96365, a blocker of receptor‐operated calcium entry

H. Leis, W. Windischhofer, E. Huber, 1995, British journal of pharmacology.

Assessment of transcapillary glucose exchange in human skeletal muscle and adipose tissue.

Zlatko Trajanoski, Paul Wach, Gerald Sendlhofer, 2003, American journal of physiology. Endocrinology and metabolism.

Improved sample preparation for the quantitative analysis of paroxetine in human plasma by stable isotope dilution negative ion chemical ionisation gas chromatography-mass spectrometry.

H. Leis, W. Windischhofer, G. Fauler, 2002, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

Stable isotope dilution negative ion chemical ionization gas chromatography-mass spectrometry for the quantitative analysis of paroxetine in human plasma.

H. Leis, W. Windischhofer, G. Fauler, 2001, Journal of mass spectrometry : JMS.

Molecular Characterisation of Group IVA (Cytosolic) Phospholipase A2 in Murine Osteoblastic MC3T3-E1 Cells

H. Leis, W. Windischhofer, 2015, The Protein Journal.

Discrimination of Oribotritia species by oil gland chemistry (Acari, Oribatida)

V. Leutgeb, H. Leis, G. Raspotnig, 2011, Experimental and Applied Acarology.

Quantitative determination of fluvastatin in human plasma by gas chromatography/negative ion chemical ionization mass spectrometry using [18O2]-fluvastatin as an internal standard.

H. Leis, W. Windischhofer, 2005, Rapid communications in mass spectrometry : RCM.

Quantitative analysis of memantine in human plasma by gas chromatography/negative ion chemical ionization/mass spectrometry.

H. Leis, W. Windischhofer, G. Fauler, 2002, Journal of mass spectrometry : JMS.

Ionomycin induces prostaglandin E2 formation in murine osteoblastic MC3T3-E1 cells via mechanisms independent of its ionophoric nature.

H. Leis, W. Windischhofer, 2016, Biochemistry and cell biology = Biochimie et biologie cellulaire.

Inhibition of cyclooxygenases 1 and 2 by the phospholipase‐blocker, arachidonyl trifluoromethyl ketone

H. Leis, W. Windischhofer, 2008, British journal of pharmacology.

Draft Ionomycin induces prostaglandin E 2 formation in murine osteoblastic MC 3 T 3E 1 cells via mechanisms independent of its ionophoric nature

H. Leis, W. Windischhofer, 2016 .

Stable Isotope Labeled Target Compounds: Preparation and Use as Internal Standards in Quantitative Mass Spectrometry

G. Fauler, H. Leis, W. Windischhofer, 1998, Current organic chemistry.

Human low density lipoprotein as a target of hypochlorite generated by myeloperoxidase.

M. Hayn, H. Auer, G. Waeg, 1998, Free radical biology & medicine.

“Quinone Millipedes” Reconsidered: Evidence for a Mosaic-Like Taxonomic Distribution of Phenol-Based Secretions across the Julidae

L. Vujisić, D. Antić, S. Makarov, 2016, Journal of Chemical Ecology.

Neuroblastoma screening: labeling of HVA and VMA for stable isotope dilution gas chromatography-mass spectrometry.

H. Leis, H. Gleispach, C. Urban, 1995, Nutrition.

11-Dehydrothromboxane B2: convenient preparation of its stable isotope-labelled analogue for use in quantitative gas chromatography-mass spectrometry.

W. Welz, H. Leis, E. Malle, 1990, Journal of chromatography.

Phospholipase D1 activity is crucial for cytosolic phospholipase A2 -dependent prostaglandin E2 formation in murine osteoblastic MC3T3-E1 cells.

H. Leis, W. Windischhofer, 2023, Prostaglandins, leukotrienes, and essential fatty acids.

Plasma and interstitial glucose dynamics after intravenous glucose injection: evaluation of the single-compartment glucose distribution assumption in the minimal models.

P Wach, T R Pieber, Z Trajanoski, 1999, Diabetes.