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Showing 13 to 24 of 788 entries
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The Yes-associated protein controls the cell density regulation of Hedgehog signaling.

Oncogenesis

Tariki M, Dhanyamraju PK, Fendrich V, Borggrefe T, Feldmann G, Lauth M.
PMID: 25111861
Oncogenesis. 2014 Aug 11;3:e112. doi: 10.1038/oncsis.2014.27.

The evolutionarily conserved Hedgehog (Hh) signaling pathway is essential for correct embryogenesis and is misregulated in several malignancies. In cell culture, Hh-sensitive cells display a striking dependence on cell density with active Hh signaling requiring cell-to-cell contact. As the...

A blue luminescent MOF as a rapid turn-off/turn-on detector for H2O, O2 and CH2Cl2, MeCN: ∞³[Ce(Im)3ImH]·ImH.

Dalton transactions (Cambridge, England : 2003)

Meyer LV, Schönfeld F, Zurawski A, Mai M, Feldmann C, Müller-Buschbaum K.
PMID: 25623757
Dalton Trans. 2015 Mar 07;44(9):4070-9. doi: 10.1039/c4dt03578j.

The blue emitting luminescent MOF ∞³[Ce(Im)3ImH]·ImH forms a 3D-framework with Kagomé net topology. The framework exhibits an intense blue luminescence which can be retained upon activation of the MOF with the formula ∞³[Ce(Im)3ImH]. The luminescence is metal-based due to...

Nanorough gold for enhanced Raman scattering.

Journal of vacuum science and technology. B, Nanotechnology & microelectronics : materials, processing, measurement, & phenomena : JVST B

Kim J, Kang KN, Sarkar A, Malempati P, Hah D, Daniels-Race T, Feldman M.
PMID: 24353928
J Vac Sci Technol B Nanotechnol Microelectron. 2013 Nov;31(6):6FE02. doi: 10.1116/1.4826701. Epub 2013 Oct 29.

Conventional Raman scattering is a workhorse technique for detecting and identifying complex molecular samples. In surface enhanced Raman scattering, a nanorough metallic surface close to the sample enhances the Raman signal enormously. In this work, the surface is on...

Highly Luminescent Cesium Lead Halide Perovskite Nanocrystals with Tunable Composition and Thickness by Ultrasonication.

Angewandte Chemie (International ed. in English)

Tong Y, Bladt E, Aygüler MF, Manzi A, Milowska KZ, Hintermayr VA, Docampo P, Bals S, Urban AS, Polavarapu L, Feldmann J.
PMID: 27690323
Angew Chem Int Ed Engl. 2016 Oct 24;55(44):13887-13892. doi: 10.1002/anie.201605909. Epub 2016 Sep 30.

We describe the simple, scalable, single-step, and polar-solvent-free synthesis of high-quality colloidal CsPbX

Sodium-Naphthalenide-Driven Synthesis of Base-Metal Nanoparticles and Follow-up Reactions.

Angewandte Chemie (International ed. in English)

Schöttle C, Bockstaller P, Popescu R, Gerthsen D, Feldmann C.
PMID: 26190645
Angew Chem Int Ed Engl. 2015 Aug 17;54(34):9866-70. doi: 10.1002/anie.201503269. Epub 2015 Jul 15.

Mo(0), W(0), Fe(0), Ru(0), Re(0), and Zn(0) nanoparticles—essentially base metals—are prepared as a general strategy by a sodium naphthalenide ([NaNaph])-driven reduction of simple metal chlorides in ethers (1,2-dimethoxyethane (DME), tetrahydrofuran (THF)). All the nanoparticles have diameters ≤10 nm, and...

Carbon Dots: A Unique Fluorescent Cocktail of Polycyclic Aromatic Hydrocarbons.

Nano letters

Fu M, Ehrat F, Wang Y, Milowska KZ, Reckmeier C, Rogach AL, Stolarczyk JK, Urban AS, Feldmann J.
PMID: 26269962
Nano Lett. 2015 Sep 09;15(9):6030-5. doi: 10.1021/acs.nanolett.5b02215. Epub 2015 Aug 17.

Carbon dots (CDs) have attracted rapidly growing interest in recent years due to their unique and tunable optical properties, the low cost of fabrication, and their widespread uses. However, due to the complex structure of CDs, both the molecular...

Aneuploid and alloplasmic lines as tools for the study of nuclear and cytoplasmic control of culture ability and regeneration of scutellar calli from common wheat.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Felsenburg T, Feldman M, Galun E.
PMID: 24240343
Theor Appl Genet. 1987 Oct;74(6):802-10. doi: 10.1007/BF00247560.

Twenty four B genome aneuploid lines (di-telosomics, nullisomic-tetrasomics and tetrasomics) of Triticum aestivum cv 'Chinese Spring' were used in an analysis of the culture ability and regeneration capability of scutellar calli. Several correlations were found between the presence or...

Ebola Conquers West Africa - More to Come?.

EBioMedicine

Halfmann P, Neumann G, Feldmann H, Kawaoka Y.
PMID: 26137502
EBioMedicine. 2014 Oct 13;1(1):2-3. doi: 10.1016/j.ebiom.2014.10.004. eCollection 2014 Nov.

No abstract available.

A three-stage clinical trial design for rare disorders.

Statistics in medicine

Honkanen VE, Siegel AF, Szalai JP, Berger V, Feldman BM, Siegel JN.
PMID: 11590629
Stat Med. 2001 Oct 30;20(20):3009-21. doi: 10.1002/sim.980.

Many clinical trials of uncommon diseases are underpowered because of the difficulty of recruiting adequate numbers of subjects. We propose a clinical trial design with improved statistical power compared to the traditional randomized trial for use in clinical trials...

Adhesion of Colloidal ZnO Particles on ZnS-Type Phosphor Surfaces.

Journal of colloid and interface science

Feldmann C, Merikhi J.
PMID: 10700407
J Colloid Interface Sci. 2000 Mar 15;223(2):229-234. doi: 10.1006/jcis.1999.6648.

Chemical and physical aspects of the adhesion of colloidal ZnO particles (d(50)=81 nm) on the surface of ZnS-type phosphors have been studied. Here, the green-emitting phosphor ZnS:Cu,Al,Cu (d(50)=5.0 µm) applied in TV screens was chosen as model compound. The...

Reply from H.G. Spencer, A.G. Clark and M.W. Feldman.

Trends in ecology & evolution

Spencer H, Clark A, Feldman M.
PMID: 10441316
Trends Ecol Evol. 1999 Sep;14(9):359. doi: 10.1016/s0169-5347(99)01686-9.

No abstract available.

Discrete four-stroke quantum heat engine exploring the origin of friction.

Physical review. E, Statistical, nonlinear, and soft matter physics

Kosloff R, Feldmann T.
PMID: 12059626
Phys Rev E Stat Nonlin Soft Matter Phys. 2002 May;65(5):055102. doi: 10.1103/PhysRevE.65.055102. Epub 2002 May 16.

The optimal power performance of a first-principle quantum heat engine model shows friction-like phenomena when the internal fluid Hamiltonian does not commute with the external control field. The model is based on interacting two-level systems where the external magnetic...

Showing 13 to 24 of 788 entries