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Showing 1 to 8 of 8 entries
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Cohesive Polydensified Matrix.

Clinical, cosmetic and investigational dermatology

Gauglitz G, Steckmeier S, Pötschke J, Schwaiger H.
PMID: 29276401
Clin Cosmet Investig Dermatol. 2017 Dec 14;10:507-513. doi: 10.2147/CCID.S141906. eCollection 2017.

PURPOSE: Cohesive Polydensified MatrixPATIENTS AND METHODS: In this open-label, prospective, postmarketing noninterventional study, 18 adult patients seeking esthetic enhancement of the lateral cheek hollows and cheekbone area were injected with CPM-HA volumizer integrated with lidocaine (CPM-HA-VL) in the upper...

A synergistic LUMO lowering strategy using Lewis acid catalysis in water to enable photoredox catalytic, functionalizing C-C cross-coupling of styrenes.

Chemical science

Speckmeier E, Fuchs PJW, Zeitler K.
PMID: 30310630
Chem Sci. 2018 Jul 25;9(35):7096-7103. doi: 10.1039/c8sc02106f. eCollection 2018 Sep 21.

Easily available α-carbonyl acetates serve as convenient alkyl radical source for an efficient, photocatalytic cross-coupling with a great variety of styrenes. Activation of electronically different α-acetylated acetophenone derivatives could be effected

Nonaqueous Micro Free-Flow Electrophoresis for Continuous Separation of Reaction Mixtures in Organic Media.

Analytical chemistry

Rudisch BM, Pfeiffer SA, Geissler D, Speckmeier E, Robitzki AA, Zeitler K, Belder D.
PMID: 31034207
Anal Chem. 2019 May 21;91(10):6689-6694. doi: 10.1021/acs.analchem.9b00714. Epub 2019 May 09.

The continuous separation mechanism of micro free-flow electrophoresis (μFFE) is a straightforward, suitable tool for microscale purification of reaction mixtures. However, aqueous separation buffers and organic reaction solvents limit the applicability of this promising combination. Herein, we have explored...

Thoracic Outlet Syndrome Caused by a Pseudoaneurysm After Pseudarthrosis of the Clavicle.

European journal of trauma and emergency surgery : official publication of the European Trauma Society

Heyn J, Ozimek A, Sadeghi-Azandaryani M, Bürklein D, Steckmeier B.
PMID: 26815997
Eur J Trauma Emerg Surg. 2008 Oct;34(5):511-4. doi: 10.1007/s00068-008-7126-9. Epub 2008 Mar 18.

Clavicle fractures are common, with the majority treated conservatively. If treated conservatively, pseudarthrosis of the clavicle is reported in up to 3% of the cases. In rare cases, pseudarthrosis of the clavicle may cause pseudoaneurysm formation, resulting in compression...

Humoral immune responses to COVID-19 vaccination in people living with HIV receiving suppressive antiretroviral therapy.

medRxiv : the preprint server for health sciences

Brumme ZL, Mwimanzi F, Lapointe HR, Cheung P, Sang Y, Duncan MC, Yaseen F, Agafitei O, Ennis S, Ng K, Basra S, Lim LY, Kalikawe R, Speckmaier S, Moran-Garcia N, Young L, Ali H, Ganase B, Umviligihozo G, Omondi FH, Atkinson K, Sudderuddin H, Toy J, Sereda P, Burns L, Costiniuk CT, Cooper C, Anis AH, Leung V, Holmes D, DeMarco ML, Simons J, Hedgcock M, Romney MG, Barrios R, Guillemi S, Brumme CJ, Pantophlet R, Montaner JSG, Niikura M, Harris M, Hull M, Brockman MA.
PMID: 34671779
medRxiv. 2021 Oct 15; doi: 10.1101/2021.10.03.21264320.

Humoral responses to COVID-19 vaccines in people living with HIV (PLWH) remain incompletely understood. We measured circulating antibodies against the receptor-binding domain (RBD) of the SARS-CoV-2 spike protein, ACE2 displacement and live viral neutralization activities one month following the...

Visible Light Mediated Reductive Cleavage of C-O Bonds Accessing α-Substituted Aryl Ketones.

Organic letters

Speckmeier E, Padié C, Zeitler K.
PMID: 26372674
Org Lett. 2015 Oct 02;17(19):4818-21. doi: 10.1021/acs.orglett.5b02378.

C-O σ-bonds in multifaceted benzoin derivatives can be effectively cleaved as acetates using catalytic amounts of [Ru(bpy)3]Cl2 as photoredox catalyst in combination with Hantzsch ester and triethylamine as a sacrificial electron donor. This mild and operationally simple method is...

Unlocking the Potential of Phenacyl Protecting Groups: CO.

The Journal of organic chemistry

Speckmeier E, Klimkait M, Zeitler K.
PMID: 29504394
J Org Chem. 2018 Apr 06;83(7):3738-3745. doi: 10.1021/acs.joc.8b00096. Epub 2018 Mar 15.

Orthogonal protection and deprotection of amines remain important tools in synthetic design as well as in chemical biology and material research applications. A robust, highly efficient, and sustainable method for the formation of phenacyl-based carbamate esters was developed using...

A Toolbox Approach To Construct Broadly Applicable Metal-Free Catalysts for Photoredox Chemistry: Deliberate Tuning of Redox Potentials and Importance of Halogens in Donor-Acceptor Cyanoarenes.

Journal of the American Chemical Society

Speckmeier E, Fischer TG, Zeitler K.
PMID: 30277767
J Am Chem Soc. 2018 Nov 14;140(45):15353-15365. doi: 10.1021/jacs.8b08933. Epub 2018 Nov 02.

The targeted choice of specific photocatalysts has been shown to play a critical role for the successful realization of challenging photoredox catalytic transformations. Herein, we demonstrate the successful implementation of a rational design strategy for a series of deliberate...

Showing 1 to 8 of 8 entries