Results 31 to 40 of about 2,869,633 (331)

Implementation of a color-capable optofluidic microscope on a RGB CMOS color sensor chip substrate [PDF]

open access: yes, 2010
We report the implementation of a color-capable on-chip lensless microscope system, termed color optofluidic microscope (color OFM), and demonstrate imaging of double stained Caenorhabditis elegans with lacZ gene expression at a light intensity about 10 ...
Cui, Xiquan   +5 more
core   +1 more source

Study on the Occurrence of Associated Metals Au, Ag, Pt, Pd, U in the Tongguanshan Skarn Type Copper-Iron Deposit of Anhui Province Using Microscope and Electron Microprobe

open access: yesYankuang ceshi, 2015
Many associated metals such as Au, Ag, Pt, Pd, and U have been found in the skarn type copper-iron deposit of Tongguanshan in Anhui. Combining microscope and Electron Microprobe (EPMA), the occurrence and distribution characteristics of these elements ...
LIU Ya-fei   +3 more
doaj   +1 more source

A Proposal for an Ultrasound/Sound Holographic Microscope Using Entangled Mobile Phone Inductors

open access: yesUltrasound International Open, 2022
In this study we propose a model for building a holographic ultrasound microscope. In this model two mobile phones are first connected by waves and techniques like the WhatsApp waves. If the mobile phones are close
Massimo Fioranelli   +2 more
doaj   +1 more source

Current opportunities of primary endodontic treatment of chronic apical periodontitis with endo-perio origin

open access: yesЭндодонтия Today, 2021
Primary endodontic treatment of chronic apical periodontitis caused by primary perio lesion, a frequent case in the dental clinical practice. This situation is a dilemma when drawing up a comprehensive treatment plan for a patient, taking into account ...
I. V. Kornetova   +2 more
doaj   +1 more source

Variable - temperature scanning optical and force microscope [PDF]

open access: yes, 2004
The implementation of a scanning microscope capable of working in confocal, atomic force and apertureless near field configurations is presented. The microscope is designed to operate in the temperature range 4 - 300 K, using conventional helium flow ...
Betzig E.   +4 more
core   +3 more sources

Exoscope and operative microscope for training in microneurosurgery: A laboratory investigation on a model of cranial approach

open access: yesFrontiers in Surgery, 2023
ObjectiveTo evaluate the viability of exoscopes in the context of neurosurgical education and compare the use of a 4k3D exoscope to a traditional operative microscope in the execution of a task of anatomic structure identification on a model of cranial ...
Tommaso Calloni   +9 more
doaj   +1 more source

Far-field mapping of the longitudinal magnetic and electric optical fields [PDF]

open access: yes, 2013
In this letter, we demonstrate the experimental mapping of the longitudinal magnetic and electric optical fields with a standard scanning microscope that involves a high numerical aperture far-field objective.
Ecoffey, C., Grosjean, T.
core   +3 more sources

Application of Electromyography Technology to Predict Chronic Diseases for COVID-19 Patients

open access: yesFrontiers in Biomedical Technologies
Purpose: Electromyography (EMG) is widely used to measure grip strength to evaluate neuromuscular activity, and thus it is possible to predict the health status of the heart muscle of those infected with the Coronavirus (COVID-19) and the extent of its ...
Rafid A. Doulab, Esraa A Qory
doaj   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Design of a Cell Phone Lens-Based Miniature Microscope with Configurable Magnification Ratio

open access: yesApplied Sciences, 2021
Application of cell-phone-based microscopes has been hindered by limitations such as inferior image quality, fixed magnification and inconvenient operation.
Xinjun Wan, Xuechen Tao
doaj   +1 more source

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