Showing results for William A. Dempsey

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Vendor selection and the buying process

WA Dempsey - Industrial Marketing Management, 1978 - Elsevier
This paper reports the results of a study dealing with the vendor selection process in
organizational buying. Purchasing managers in two different types of organizations assessed the …

Adaptive optics improves multiphoton super-resolution imaging

…, A Hong, C McCormick, R Christensen, WP Dempsey… - nature methods, 2017 - nature.com
We improve multiphoton structured illumination microscopy using a nonlinear guide star to
determine optical aberrations and a deformable mirror to correct them. We demonstrate our …

SHG nanoprobes: Advancing harmonic imaging in biology

WP Dempsey, SE Fraser, P Pantazis - BioEssays, 2012 - Wiley Online Library
Second harmonic generating (SHG) nanoprobes have recently emerged as versatile and
durable labels suitable for in vivo imaging, circumventing many of the inherent drawbacks …

In vivo single-cell labeling by confined primed conversion

WP Dempsey, L Georgieva, PM Helbling, AY Sonay… - Nature …, 2015 - nature.com
Spatially confined green-to-red photoconversion of fluorescent proteins with high-power,
pulsed laser illumination is negligible, thus precluding optical selection of single cells in vivo. …

Surface functionalization of barium titanate SHG nanoprobes for in vivo imaging in zebrafish

J Čulić-Viskota, WP Dempsey, SE Fraser, P Pantazis - Nature Protocols, 2012 - nature.com
To address the need for a bright, photostable labeling tool that allows long-term in vivo
imaging in whole organisms, we recently introduced second harmonic generating (SHG) …

Regional synapse gain and loss accompany memory formation in larval zebrafish

WP Dempsey, Z Du, A Nadtochiy… - Proceedings of the …, 2022 - National Acad Sciences
Defining the structural and functional changes in the nervous system underlying learning
and memory represents a major challenge for modern neuroscience. Although changes in …

[PDF][PDF] Structure and function of an actin-based filter in the proximal axon

V Balasanyan, K Watanabe, WP Dempsey, TL Lewis… - Cell reports, 2017 - cell.com
The essential organization of microtubules within neurons has been described; however,
less is known about how neuronal actin is arranged and the functional implications of its …

Comparing the current effects and carryover of national-, regional-, and local-sponsor advertising

JD Herrington, WA Dempsey - Journal of Advertising Research, 2005 - cambridge.org
Coordinating and controlling advertising strategy within contractual and administered vertical
marketing systems (VMSs) can be a complex task given the number of channel members …

An E3-ligase-based method for ablating inhibitory synapses

GG Gross, C Straub, J Perez-Sanchez, WP Dempsey… - nAture …, 2016 - nature.com
Although neuronal activity can be modulated using a variety of techniques, there are
currently few methods for controlling neuronal connectivity. We introduce a tool (GFE3) that …

[HTML][HTML] PhOTO Zebrafish: A Transgenic Resource for In Vivo Lineage Tracing during Development and Regeneration

WP Dempsey, SE Fraser, P Pantazis - PloS one, 2012 - journals.plos.org
Background Elucidating the complex cell dynamics (divisions, movement, morphological
changes, etc.) underlying embryonic development and adult tissue regeneration requires an …