Results 21 to 30 of about 2,869,633 (331)

Scanned-cantilever atomic force microscope [PDF]

open access: yes, 1993
We have developed a 3.6 µm scan range atomic force microscope that scans the cantilever instead of the sample, while the optical-lever detection apparatus remains stationary.
Baldeschwieler, John D.   +1 more
core   +2 more sources

Multi-Instrument Assessment of Phytoplankton Abundance and Cell Sizes in Mono-Specific Laboratory Cultures and Whole Plankton Community Composition in the North Atlantic

open access: yesFrontiers in Marine Science, 2020
The abundance and size distribution of plankton in the surface ocean are key metrics to understanding primary and export production, food web dynamics, and the optical properties of the water column.
Susanne Menden-Deuer   +9 more
doaj   +1 more source

Partial pulp necrosis caused by excessive orthodontic force

open access: yesRestorative Dentistry & Endodontics, 2011
As the dental pulp is encased with a rigid, noncompliant shell, changes in pulpal blood flow or vascular tissue pressure can have serious implication for the health of pulp.
Min-Young Kim   +3 more
doaj   +1 more source

Intraoperative Optical Coherence Tomography (OCT): A New Frontier in Vitreo-Retinal Surgery

open access: yesDelhi Journal of Ophthalmology, 2016
Optical coherence tomography, a non-invasive imaging technique is an indispensable tool in the armamentarium of modern day ophthalmologists. With evolution in technology, modern day OCT machines (swept source OCT) are able to provide high resolution ...
Vinod Kumar   +3 more
doaj   +1 more source

Optical Projection Tomography Using a Commercial Microfluidic System

open access: yesMicromachines, 2020
Optical projection tomography (OPT) is the direct optical equivalent of X-ray computed tomography (CT). To obtain a larger depth of field, traditional OPT usually decreases the numerical aperture (NA) of the objective lens to decrease the resolution of ...
Wenhao Du   +6 more
doaj   +1 more source

Evaluation and comparison between smartphone and photomicrography based whole slide imaging

open access: yesJournal of Family Medicine and Primary Care, 2020
Context: In recent years, a new concept has emerged at the forefront of slide-based diagnosis and telepathology. This is the concept of whole slide imaging. This has very recently also been tried with smartphones using complex software for photo analysis
Shruthi K Patil   +3 more
doaj   +1 more source

MODERN ADHESIVE SYSTEMS. COMPARATIVE STUDY ON ADHESION IN DENTAL TISSUES [PDF]

open access: yesRomanian Journal of Stomatology, 2018
Aim. The aim of this study is to evaluate the interface between resin and hard dental tissues obtained by using two adhesive systems. Material and method. Ten extracted human molars were bonded using a total etch adhesive (Adper Single Bond 2, 3M ESPE)
Bogdan Mihai Gălbinaşu   +3 more
doaj   +1 more source

Methodological precision of in situ and in vitro algal density measurements in the model cnidarian, Exaiptasia diaphana

open access: yesFrontiers in Marine Science, 2023
In cnidarian symbiosis research, studying algal uptake, maintenance, and expulsion typically requires quantification of algal density in host tissue.
Lauren R. Bolzan, Alison M. Roark
doaj   +1 more source

Haemozoin Detection in Mouse Liver Histology Using Simple Polarized Light Microscope

open access: yesHayati Journal of Biosciences, 2014
The presence of malarial pigment (haemozoin) due to Plasmodium infection is a common histopathological effect in mouse liver. Previous research showed that by using a polarized light microscope, researchers were better able to detect haemozoin in mouse ...
DWI RAMADHANI   +2 more
doaj   +1 more source

Microscopic investigation on blending of montmorillonite modified bitumen and reclaimed asphalt binder

open access: yesMaterials Research Express, 2022
The performance of asphalt mixtures containing reclaimed asphalt pavement (RAP) are strongly influenced by the degree of blending between RAP and virgin bitumen.
Min Dai   +6 more
doaj   +1 more source

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