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Showing 1 to 12 of 581 entries
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An evaluation of contingency strength and response suppression

community settings

Borrero JC, Vollmer TR.
GSID: VbvAdNa2CukJ
JC Borrero, TR Vollmer… - Journal of Applied …, 2002 - Wiley Online Library

Typically, functional analyses of severe problem behavior have been conducted in two ways:(a) The target response is reinforced immediately after it occurs, or (b) the target …

Microfluidic assessment of swimming media for motility-based sperm selection.

Biomicrofluidics

Eamer L, Nosrati R, Vollmer M, Zini A, Sinton D.
PMID: 26339314
Biomicrofluidics. 2015 Aug 04;9(4):044113. doi: 10.1063/1.4928129. eCollection 2015 Jul.

Selection medium is important in sperm isolation for assisted reproductive technologies. Contrary to the naturally occurring human cervical mucus which has a high viscosity, most current practices for motility based sperm selection use a low viscosity medium. In this...

Whispering gallery mode sensors.

Advances in optics and photonics

Foreman MR, Swaim JD, Vollmer F.
PMID: 26973759
Adv Opt Photonics. 2015 Jun 30;7(2):168-240. doi: 10.1364/AOP.7.000168.

We present a comprehensive overview of sensor technology exploiting optical whispering gallery mode (WGM) resonances. After a short introduction we begin by detailing the fundamental principles and theory of WGMs in optical microcavities and the transduction mechanisms frequently employed...

Characterizing rare fluctuations in soft particulate flows.

Nature communications

Rahbari SHE, Saberi AA, Park H, Vollmer J.
PMID: 28396590
Nat Commun. 2017 Apr 10;8(1):11. doi: 10.1038/s41467-017-00022-8.

Soft particulate media include a wide range of systems involving athermal dissipative particles both in non-living and biological materials. Characterization of flows of particulate media is of great practical and theoretical importance. A fascinating feature of these systems is...

Orientation-Dependent Work-Function Modification Using Substituted Pyrene-Based Acceptors.

The journal of physical chemistry. C, Nanomaterials and interfaces

Hofmann OT, Glowatzki H, Bürker C, Rangger GM, Bröker B, Niederhausen J, Hosokai T, Salzmann I, Blum RP, Rieger R, Vollmer A, Rajput P, Gerlach A, Müllen K, Schreiber F, Zojer E, Koch N, Duhm S.
PMID: 29152034
J Phys Chem C Nanomater Interfaces. 2017 Nov 09;121(44):24657-24668. doi: 10.1021/acs.jpcc.7b08451. Epub 2017 Oct 27.

The adsorption of molecular acceptors is a viable method for tuning the work function of metal electrodes. This, in turn, enables adjusting charge injection barriers between the electrode and organic semiconductors. Here, we demonstrate the potential of pyrene-tetraone (PyT)...

Silicone Brushes: Omniphobic Surfaces with Low Sliding Angles.

Angewandte Chemie (International ed. in English)

Wooh S, Vollmer D.
PMID: 27159802
Angew Chem Int Ed Engl. 2016 Jun 06;55(24):6822-4. doi: 10.1002/anie.201511895. Epub 2016 May 09.

Losing contact: Omniphobic surfaces can be readily produced by acid-catalyzed graft polycondensation of dimethyldimethoxysilane (PDMS). Droplets show a very small contact angle hysteresis as well as a low sliding angle of only a few degrees. The nm-thick PDMS layer...

Colors of thermal pools at Yellowstone National Park.

Applied optics

Nugent PW, Shaw JA, Vollmer M.
PMID: 25967819
Appl Opt. 2015 Feb 01;54(4):B128-39. doi: 10.1364/AO.54.00B128.

The brilliant visible colors of various hot springs and pools in Yellowstone National Park are explained with a combination of scattering from the water and from microbial mats that coat the bottoms of these thermal features. A simple 1D...

A subset of human plasmacytoid dendritic cells expresses CD8α upon exposure to herpes simplex virus type 1.

Frontiers in microbiology

Schuster P, Thomann S, Werner M, Vollmer J, Schmidt B.
PMID: 26082771
Front Microbiol. 2015 Jun 02;6:557. doi: 10.3389/fmicb.2015.00557. eCollection 2015.

Classical and plasmacytoid dendritic cells (DC) play important roles in the defense against murine and human infections with herpes simplex virus (HSV). So far, CD8α expression has only been reported for murine DC. CD8α(+) DC have prominent cross-presenting activities,...

The stoichiometric divisome: a hypothesis.

Frontiers in microbiology

Egan AJ, Vollmer W.
PMID: 26029191
Front Microbiol. 2015 May 12;6:455. doi: 10.3389/fmicb.2015.00455. eCollection 2015.

Dividing Escherichia coli cells simultaneously constrict the inner membrane, peptidoglycan layer, and outer membrane to synthesize the new poles of the daughter cells. For this, more than 30 proteins localize to mid-cell where they form a large, ring-like assembly,...

Space-charge transfer in hybrid inorganic-organic systems.

Physical review letters

Xu Y, Hofmann OT, Schlesinger R, Winkler S, Frisch J, Niederhausen J, Vollmer A, Blumstengel S, Henneberger F, Koch N, Rinke P, Scheffler M.
PMID: 24329464
Phys Rev Lett. 2013 Nov 27;111(22):226802. doi: 10.1103/PhysRevLett.111.226802. Epub 2013 Nov 27.

We discuss density functional theory calculations of hybrid inorganic-organic systems that explicitly include the global effects of doping (i.e., position of the Fermi level) and the formation of a space-charge layer. For the example of tetrafluoro-tetracyanoquinodimethane on the ZnO(0001[over...

Essential components of written behavior treatment plans.

Research in developmental disabilities

Williams DE, Vollmer TR.
PMID: 25462492
Res Dev Disabil. 2015 Jan;36:323-327. doi: 10.1016/j.ridd.2014.10.003. Epub 2014 Nov 12.

For the last 25 years, the only empirically determined system to evaluate the content of written behavior analysis plans was developed by Vollmer et al. (1992). For the current study, the content of that earlier system was revised by...

Super liquid-repellent layers: The smaller the better.

Advances in colloid and interface science

Butt HJ, Vollmer D, Papadopoulos P.
PMID: 24996450
Adv Colloid Interface Sci. 2015 Aug;222:104-9. doi: 10.1016/j.cis.2014.06.002. Epub 2014 Jun 14.

Super liquid-repellent layers need to have a high impalement pressure and high contact angles, in particular a high apparent receding contact angle. Here, we demonstrate that to achieve both, the features constituting the layer should be as small as...

Showing 1 to 12 of 581 entries