Search Results - "Steffan, K"

Evaluation of Manganese Catalysts for the Hydrogenative Deconstruction of Commercial and End‐of‐Life Polyurethane Samples by Gausas, Laurynas, Donslund, Bjarke S., Kristensen, Steffan K., Skrydstrup, Troels

“…Polyurethane (PU) is a thermoset plastic that is found in everyday objects, such as mattresses and shoes, but also in more sophisticated materials, including…”
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Ex Situ Formation of Methanethiol: Application in the Gold(I)‐Promoted Anti‐Markovnikov Hydrothiolation of Olefins by Kristensen, Steffan K., Laursen, Simon L. R., Taarning, Esben, Skrydstrup, Troels

“…A protocol for the Au‐promoted anti‐Markovnikov hydrothiolation of olefins using ex situ generated methanethiol is reported. The use of S‐methylisothiourea…”
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Practical Gas Cylinder-Free Preparations of Important Transition Metal-Based Precatalysts Requiring Gaseous Reagents by Sun, Hongwei, Ahrens, Alexander, Kristensen, Steffan K, Gausas, Laurynas, Donslund, Bjarke S, Skrydstrup, Troels

“…A simple and safe setup for the synthesis of a selection of important transition metal-based precatalysts is reported, all requiring low-molecular weight…”
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Catalytic Hydrogenation of Polyurethanes to Base Chemicals: From Model Systems to Commercial and End-of-Life Polyurethane Materials by Gausas, Laurynas, Kristensen, Steffan K, Sun, Hongwei, Ahrens, Alexander, Donslund, Bjarke S, Lindhardt, Anders T, Skrydstrup, Troels

“…Polyurethane (PU) is a highly valued polymer prepared from diisocyanates and polyols, and it is used in everyday products, such as shoe soles, mattresses, and…”
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Perspective on the Development of Monomer Recovery Technologies from Plastics Designed to Last by Kristensen, Steffan K., Ahrens, Alexander, Donslund, Bjarke S., Skrydstrup, Troels

“…In order to prevent the current unsustainable waste handling of the enormous volumes of end-of-use organic polymer material sent to landfilling or…”
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Ex situ generation of stoichiometric HCN and its application in the Pd-catalysed cyanation of aryl bromides: evidence for a transmetallation step between two oxidative addition Pd-complexes by Kristensen, Steffan K, Eikeland, Espen Z, Taarning, Esben, Lindhardt, Anders T, Skrydstrup, Troels

“…A protocol for the Pd-catalysed cyanation of aryl bromides using near stoichiometric and gaseous hydrogen cyanide is reported for the first time. A two-chamber…”
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Widespread white matter and conduction defects in PSEN1- related spastic paraparesis by Soosman, Steffan K., B.S, Joseph-Mathurin, Nelly, Ph.D, Braskie, Meredith N., Ph.D, Bordelon, Yvette M., M.D., Ph.D, Wharton, David, B.S, Casado, Maria, B.A, Coppola, Giovanni, M.D, McCallum, Holly, M.D, Nuwer, Marc, M.D., Ph.D, Coutin-Churchman, Pedro, M.D., Ph.D, Apostolova, Liana G., M.D., M.S, Benzinger, Tammie, M.D, Ringman, John M., M.D. M.S

“…Abstract The mechanisms underlying PSEN1 mutation-associated spastic paraparesis (SP) are not clear. We compared diffusion and volumetric magnetic resonance…”
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Suitability of botanical extracts as components of complex mixtures used in herbal tea infusions—challenges and opportunities by Brendler, T., Brinckmann, J. A., Daoust, M., He, H., Masé, G., Steffan, K., Williams, M.

“…Herbal tea is a mainstay dosage form in practically all systems of traditional medicine and widely used in modern alternative and complementary medicine…”
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Safety of image guided research biopsies in patients with thoracic malignancies by Soosman, Steffan K., Schenker, Matthew P., Mazzola, Emanuele, Voligny, Emma, Smokovich, Anna, Bay, Camden, Nguyen, Tom, Michael, Kesi, Jänne, Pasi A., Rabin, Michael, Glazer, Daniel I., Johnson, Bruce E., Luo, Jia

“…•Core biopsies (bx) for research vs clinical do not have an increased risk of AEs.•A non-lung parenchymal target may be preferred for research biopsies.•Lung…”
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Why Is Direct Glycosylation with N‑Acetylglucosamine Donors Such a Poor Reaction and What Can Be Done about It? by Marqvorsen, Mikkel H. S, Pedersen, Martin J, Rasmussen, Michelle R, Kristensen, Steffan K, Dahl-Lassen, Rasmus, Jensen, Henrik H

“…The monosaccharide N-acetyl-d-glucosamine (GlcNAc) is an abundant building block in naturally occurring oligosaccharides, but its incorporation by chemical…”
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Glycosyl ortho-Methoxybenzoates: Catalytically Activated Glycosyl Donors with an Easily Removable and Recyclable Leaving Group by Kristensen, Steffan K., Salamone, Stéphane, Rasmussen, Michelle R., Marqvorsen, Mikkel H. S., Jensen, Henrik H.

“…We describe the β‐ortho‐methoxybenzoate as a shelf stable and practical C‐1 nucleofuge for catalytic chemical glycosylation in which the benzoic acid…”
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Abnormal Activity-Dependent Brain Lactate and Glutamate+Glutamine Responses in Panic Disorder by Maddock, Richard J, Buonocore, Michael H, Miller, Amber R, Yoon, Jong H, Soosman, Steffan K, Unruh, April M

“…Background Prior evidence suggests panic disorder (PD) is characterized by neurometabolic abnormalities, including increased brain lactate responses to neural…”
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A Protocol for Metal Triflate Catalyzed Direct Glycosylations with GalNAc 1‑OPiv Donors by Rasmussen, Michelle R, Marqvorsen, Mikkel H. S, Kristensen, Steffan K, Jensen, Henrik H

“…Herein we report on the development of novel glycosylation methodology for the concise synthesis of naturally occurring glycoconjugate motifs containing…”
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Altered brainstem responses to modafinil in schizophrenia: implications for adjunctive treatment of cognition by Minzenberg, Michael J., Yoon, Jong H., Soosman, Steffan K., Carter, Cameron S.

“…Candidate pro-cognitive drugs for schizophrenia targeting several neurochemical systems have consistently failed to demonstrate robust efficacy. It remains…”
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Physiotherapie in der idiopathischen Skoliosebehandlung by Steffan, K.

“…Zusammenfassung Ziel der Arbeit Ziel ist die Darstellung und Zusammenfassung des derzeitigen Standes der physiotherapeutischen Behandlung idiopathischer…”
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Ex Situ Formation of Methanethiol: Application in the Gold(I)‐Promoted Anti‐Markovnikov Hydrothiolation of Olefins by Kristensen, Steffan K., Laursen, Simon L. R., Taarning, Esben, Skrydstrup, Troels

“…A protocol for the Au‐promoted anti‐Markovnikov hydrothiolation of olefins using ex situ generated methanethiol is reported. The use of S‐methylisothiourea…”
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Physical therapy for idiopathic scoliosis by Steffan, K

“…The objective is the description and summary of the current state of idiopathic scoliosis treatment with physical therapy based on new scientific knowledge and…”
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Excessive contralateral motor overflow in schizophrenia measured by fMRI by Minzenberg, Michael J, Yoon, Jong H, Soosman, Steffan K, Carter, Cameron S

“…Abstract Schizophrenia is characterized by significant problems in control of behavior; however, the disturbances in neural systems that control movement…”
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An interactive teaching device simulating intussusception reduction by Stein-Wexler, Rebecca, Sanchez, Thomas, Roper, Glade E., Wexler, Anthony S., Arieli, Robert P., Ho, Clark, Li, Joseph C., Ozpinar, Alp, Soosman, Steffan K.

“…Intussusception is relatively uncommon, occurring in 0.5 to 2.3 cases per 1,000 live births in the USA. Radiology residents, therefore, have few opportunities…”
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Report on relevant and common types of therapy by Steffan, K

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