Results 1 to 10 of about 2,874 (274)

Analysing malaria events from 1840 to 2020: the narrative told through postage stamps [PDF]

open access: yesMalaria Journal, 2021
The role played by postage stamps in the history of malaria control and eradication has largely gone unrecognized. Scientific investigators of malaria, especially Nobel laureates, were commemorated with special issues, but the work of the World Health ...
Bernard Brabin
doaj   +2 more sources

Film-Shaped Self-Powered Electro-Osmotic Micropump Array [PDF]

open access: yesMicromachines, 2023
This paper reports a new concept of a film-shaped micropump array for biomedical perfusion. The detailed concept, design, fabrication process, and performance evaluation using prototypes are described.
Toshiro Yamanaka, Fumihito Arai
doaj   +2 more sources

Ben Franklin, America’s Postage Stamp Star — on the Wane? [PDF]

open access: diamondTransatlantica, 2010
This paper is an assessment of Ben Franklin’s evolving figure in U.S. postage stamps, focusing especially on the contrast between the 2006 tercentennial Franklin 4-stamp panel, a rather high-brow representation of Franklin as an intellectual, and his ...
François Brunet
doaj   +2 more sources

Scanning Micro X-ray Fluorescence and Multispectral Imaging Fusion: A Case Study on Postage Stamps [PDF]

open access: yesJournal of Imaging
Scanning micrο X-ray fluorescence (μ-XRF) and multispectral imaging (MSI) were applied to study philately stamps, selected for their small size and intricate structures. The μ-XRF measurements were accomplished using the M6 Jetstream Bruker scanner under
Theofanis Gerodimos   +7 more
doaj   +2 more sources

Do postage stamps versus pre-paid envelopes increase responses to patient mail surveys? A randomised controlled trial [PDF]

open access: yesBMC Health Services Research, 2008
Background Studies largely from the market research field suggest that the inclusion of a stamped addressed envelope, rather than a pre-paid business reply, increases the response rate to mail surveys.
Campbell Malcolm   +2 more
doaj   +2 more sources

Postage stamps as a means of propaganda to promote eye examination and vision screening

open access: diamondJournal of Ophthalmology, 2023
This paper deals with representation of eye examination and eye disease prevention methods in philately. The work represents the primary methods used for eye disease diagnosis and demonstrates the role of stamps in raising awareness among people ...
K. V. Troianovska   +3 more
doaj   +3 more sources

Recruitment strategies and consent rates in a national prospective colorectal cancer screening cohort: results from year 1 of the Voyage Study [PDF]

open access: yesBMJ Open Gastroenterology
Objective To identify the optimal incentive protocol for maximising participation while managing study costs during the Voyage trial.Design Prospective cohort (Voyage trial) of colorectal cancer (CRC) incidence and mortality outcomes in individuals ...
Jennifer L St Sauver   +8 more
doaj   +2 more sources

Comparative Study of Postage Stamps with the Theme of Endangered Animal Species in Iran and the World, Based on the IUCN List (Case Study: Eight Animal Species) [PDF]

open access: yesپیکره, 2023
Problem Definition: One of the long-standing media that displays the pride, symbols, and rituals of nations is postage stamps, which, in addition to prestige, also show the cultural, economic, and social concerns of nations.
Hossein Jelodar
doaj   +1 more source

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