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Auflistung nach Schlagwort "chemistry"

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1H, 13C, and 15N backbone chemical-shift assignments of SARS-CoV-2 non-structural protein 1 (leader protein)

Wang, Ying; Kirkpatrick, John; Lage, Susanne zur; Korn, Sophie M.; Neißner, Konstantin; Schwalbe, Harald; Schlundt, Andreas; Carlomagno, Teresa (Dordrecht [u.a.] : Springer Netherlands, 2021)

The current COVID-19 pandemic caused by the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has become a worldwide health crisis, necessitating coordinated scientific research and urgent identification of new ...
3D-printed microfluidics integrated with optical nanostructured porous aptasensors for protein detection

Arshavsky-Graham, Sofia; Enders, Anton; Ackerman, Shanny; Bahnemann, Janina; Segal, Ester (Wien [u.a.] : Springer, 2021)

Microfluidic integration of biosensors enables improved biosensing performance and sophisticated lab-on-a-chip platform design for numerous applications. While soft lithography and polydimethylsiloxane (PDMS)-based ...
A computational model for previtamin D 3 production in skin

Meinhardt-Wollweber, Merve; Krebs, Ronald (Cambridge : Royal Society of Chemistry, 2012)

Low levels of vitamin D have been implicated in a wide variety of health issues from calcemic diseases to cancer, diabetes and cardiovascular disease. For most humans, the majority of vitamin D 3 is derived from sunlight. ...
A novel shape memory plate osteosynthesis for noninvasive modulation of fixation stiffness in a rabbit tibia osteotomy model

Müller, Christian W.; Pfeifer, Ronny; Meier, Karen; Decker, Sebastian; Reifenrath, Janin; Gösling, Thomas; Wesling, Volker; Krettek, Christian; Hurschler, Christof; Krämer, Manuel (New York, NY : Hindawi Publishing Corporation, 2015)

Nickel-titanium shape memory alloy (NiTi-SMA) implants might allow modulating fracture healing, changing their stiffness through alteration of both elastic modulus and cross-sectional shape by employing the shape memory ...
The Arabidopsis class II sirtuin is a lysine deacetylase and interacts with mitochondrial energy metabolism

König, Ann-Christine; Hartl, Markus; Pham, Phuong Anh; Laxa, Miriam; Boersema, Paul J.; Orwat, Anne; Kalitventseva, Ievgeniia; Plöchinger, Magdalena; Braun, Hans-Peter; Leister, Dario; Mann, Matthias; Wachter, Andreas; Fernie, Alisdair R.; Finkemeier, Iris (Rockville, Md. : American Society of Plant Physiologists, 2014)

The posttranslational regulation of proteins by lysine (Lys) acetylation has recently emerged to occur not only on histones, but also on organellar proteins in plants and animals. In particular, the catalytic activities ...
Bioorthogonal metal-free click-ligation of cRGD-pentapeptide to alginate

Krause, Andreas; Kirschning, Andreas; Dräger, Gerald (Cambridge : Royal Society of Chemistry, 2012)

Click reactions have become very common and powerful ligation techniques, of which 1,3-dipolar cycloadditions have most frequently been employed. Since metal-mediated cycloadditions are incompatible in biomedical applications ...
The carbonic anhydrase domain of plant mitochondrial complex I

Fromm, Steffanie; Senkler, Jennifer; Zabaleta, Eduardo; Peterhänsel, Christoph; Braun, Hans-Peter (Oxford [u.a.] : Wiley-Blackwell, 2016)

The mitochondrial NADH dehydrogenase complex (complex I) consists of several functional domains which independently arose during evolution. In higher plants, it contains an additional domain which includes proteins resembling ...
Carbonic anhydrase subunits form a matrix-exposed domain attached to the membrane arm of mitochondrial complex I in plants

Sunderhaus, Stephanie; Dudkina, Natalya V.; Jänsch, Lothar; Klodmann, Jennifer; Heinemeyer, Jesco; Perales, Mariano; Zabaleta, Eduardo; Boekema, Egbert J.; Braun, Hans-Peter (Bethesda, Md. : ASBMB Publications, 2006)

Complex I of Arabidopsis includes five structurally related subunits representing γ-type carbonic anhydrases termed CA1, CA2, CA3, CAL1, and CAL2. The position of these subunits within complex I was investigated. Direct ...
Characterization of leaf apoplastic peroxidases and metabolites in Vigna unguiculata in response to toxic manganese supply and silicon

Führs, Hendrik; Götze, Stefanie; Specht, André; Erban, Alexander; Gallien, Sébastien; Heintz, Dimitri; Van Dorsselaer, Alain; Kopka, Joachim; Braun, Hans-Peter; Horst, Walter J. (Oxford : Oxford University Press, 2009)

Previous work suggested that the apoplastic phenol composition and its interaction with apoplastic class III peroxidases (PODs) are decisive in the development or avoidance of manganese (Mn) toxicity in cowpea (Vigna ...
Characterization of powellite-based solid solutions by site-selective time resolved laser fluorescence spectroscopy

Schmidt, Moritz; Heck, Stephanie; Bosbach, Dirk; Ganschow, Steffen; Walther, Clemens; Stumpf, Thorsten (Cambridge : Royal Society of Chemistry, 2013)

We present a comprehensive study of the solid solution system Ca-2(MoO4)(2)-NaGd(MoO4)(2) on the molecular scale, by means of site-selective time resolved laser fluorescence spectroscopy (TRLFS). Eu3+ is used as a trace ...
Clastogenic Effect of Carthamus lanatus L. (Asteraceae)

Topashka-Ancheva, Margarita; Taskova, Rilka M.; Handjieva, Nedjalka; Mikhova, Bozhanka; Duddeck, Helmut (Berlin : De Gruyter, 2003)

The clastogenic effect of total dichloromethane, methanol and water extracts, four bioactive fractions and three individual constituents from Carthamus lanatus aerial parts were evaluated in mice by bone marrow chromosome ...
A comparison of cell wall disruption techniques for the isolation of intracellular metabolites from Pleurotus and Lepista sp.

Taskova, Rilka M.; Zorn, Holger; Krings, Ulrich; Bouws, Henning; Berger, Ralf Günter (Berlin : De Gruyter, 2006)

Different techniques were compared for their effectiveness in the disruption of the rigid cell walls of Basidiomycetes, Grinding under liquid nitrogen, stirred glass bead milling and enzymatic cell lysis were applied to ...
Comparison of colorimetric methods for the quantification of model proteins in aqueous two-phase systems

Glyk, Anna; Heinisch, Sandra L.; Scheper, Thomas; Beutel, Sascha (Cambridge, MA : Elsevier Academic Press, 2015)

In the current study, the quantification of different model proteins in the presence of typical aqueous two-phase system components was investigated by using the Bradford and bicinchoninic acid (BCA) assays. Each phase-forming ...
Comparison of nanoparticle-mediated transfection methods for DNA expression plasmids: Efficiency and cytotoxicity

Durán, Maria Carolina; Willenbrock, Saskia; Barchanski, Annette; Müller, Jessika-M.V.; Maiolini, Arianna; Soller, Jan T.; Barcikowski, Stephan; Nolte, Ingo; Feige, Karsten; Murua Escobar, Hugo (London : Biomed Central, 2011)

Background: Reproducibly high transfection rates with low methodology-induced cytotoxic side effects are essential to attain the required effect on targeted cells when exogenous DNA is transfected. Different approaches and ...
Computational model of damage-induced growth in soft biological tissues considering the mechanobiology of healing

Gierig, Meike; Wriggers, Peter; Marino, Michele (Berlin ; Heidelberg ; New York, NY : Springer, 2021)

Healing in soft biological tissues is a chain of events on different time and length scales. This work presents a computational framework to capture and couple important mechanical, chemical and biological aspects of ...
Cryo-EM structure of the respiratory I + III2 supercomplex from Arabidopsis thaliana at 2 Å resolution

Klusch, Niklas; Dreimann, Maximilian; Senkler, Jennifer; Rugen, Nils; Kühlbrandt, Werner; Braun, Hans-Peter (London : Nature Publ. Group, 2023)

Protein complexes of the mitochondrial respiratory chain assemble into respiratory supercomplexes. Here we present the high-resolution electron cryo-microscopy structure of the Arabidopsis respiratory supercomplex consisting ...
Dacron® vs. PTFE as bypass materials in peripheral vascular surgery - Systematic review and meta-analysis

Roll, Stephanie; Müller-Nordhorn, Jacqueline; Keil, Thomas; Scholz, Hans; Eidt, Daniela; Greiner, Wolfgang; Willich, Stefan N. (London : BioMed Central Ltd., 2008)

Background: In peripheral vascular bypass surgery different synthetic materials are available for bypass grafting. It is unclear which of the two commonly used materials, polytetrafluoroethylene (PTFE) or polyester (Dacron®) ...
Die Darstellung der Verbindung Li2CS3: The Synthesis of Li2CS3

Seidel, Hinrich; Meyn, Rüdiger (Berlin : De Gruyter, 1971)

[No abstract available]
Dengue-specific subviral nanoparticles: Design, creation and characterization

Khetarpal, Niyati; Poddar, Ankur; Nemani, Satish K.; Dhar, Nisha; Patil, Aravind; Negi, Priyanka; Perween, Ashiya; Viswanathan, Ramaswamy; Lünsdorf, Heinrich; Tyagi, Poornima; Raut, Rajendra; Arora, Upsana; Jain, Swatantra K.; Rinas, Ursula; Swaminathan, Sathyamangalam; Khanna, Navin (London : BioMed Central Ltd., 2013)

Background: Dengue is today the most significant of arboviral diseases. Novel tools are necessary to effectively address the problem of dengue. Virus-like particles (VLP) offer a versatile nanoscale platform for developing ...
Dispensing pico to nanolitre of a natural hydrogel by laser-assisted bioprinting

Gruene, Martin; Unger, Claudia; Koch, Lothar; Deiwick, Andrea; Chichkov, Boris (London : Biomed Central, 2011)

Background: Laser-assisted bioprinting of multi-cellular replicates in accordance with CAD blueprint may substantially improve our understandings of fundamental aspects of 3 D cell-cell and cell-matrix interactions in ...

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