scholarly journals Front Cover: Registration of Image Modalities for Analyses of Tissue Samples Using 3D Image Modelling

2021 ◽  
Vol 15 (1) ◽  
pp. 2170011
Author(s):  
Juliane Hermann ◽  
Kai Brehmer ◽  
Vera Jankowski ◽  
Michaela Lellig ◽  
Mathias Hohl ◽  
...  
2020 ◽  
pp. 1900143
Author(s):  
Juliane Hermann ◽  
Kai Brehmer ◽  
Vera Jankowski ◽  
Michaela Lellig ◽  
Mathias Hohl ◽  
...  

2021 ◽  
Vol 15 (2-3) ◽  
pp. 2170024
Author(s):  
Juliane Hermann ◽  
Kai Brehmer ◽  
Vera Jankowski ◽  
Michaela Lellig ◽  
Mathias Hohl ◽  
...  

2007 ◽  
Vol 4 (3) ◽  
pp. 111-124
Author(s):  
Dionysis Goularas ◽  
Khalifa Djemal ◽  
Yannis Mannoussakis
Keyword(s):  
3D Image ◽  

Author(s):  
Alfian Nara Weking ◽  
Suyoto Suyoto ◽  
Albertus Joko Santoso

Traditional food is a representation of the culture and identity of certain regions and is a symbol of cultural heritage. Traditional Indonesian food must be preserved and introduced to the community, especially the easy generation as the next generation of the nation as a form of love for the culture that has been passed down from generation to generation. It aims to avoid the influence of food or foreign cuisine that enters Indonesia, which from time to time makes the preservation of traditional Indonesian food increasingly eroded. One form of an effective cultural approach is by introducing to the easy generation and also to the wider community. Therefore the use of technology is very important to maintain the preservation of traditional Indonesian food and convey it to the community, especially the easy generation. This study aims to develop a mobile application for augmented reality as a promotional medium to introduce traditional Indonesian food. Mobile augmented reality in applications built with the Unity3D program is done in different ways in presenting information to other media. This method allows users to view the media as a presentation of their information in the form of 2D and or 3D image modelling by using tracking images through a smartphone device's camera. The mobile augmented reality application that will be developed can provide an interesting and interactive information experience so that it can be fun for every user so that knowledge of traditional Indonesian food can be distributed and channelled so that the preservation of traditional Indonesian food is maintained.


2007 ◽  
Vol 4 (3) ◽  
pp. 111-124
Author(s):  
Dionysis Goularas ◽  
Khalifa Djemal ◽  
Yannis Mannoussakis

In this article, we present a 3D specific dental plaster treatment system for orthodontics. From computer tomography scanner images, we propose first a 3D image modelling and reconstruction method of the Mandible and Maxillary based on an adaptive triangulation allowing management of contours meant for the complex topologies. Secondly, we present two specific treatment methods directly achieved on obtained 3D model allowing the automatic correction for the setting in occlusion of the Mandible and the Maxillary, and the teeth segmentation allowing more specific dental examinations. Finally, these specific treatments are presented via a client/server application with the aim of allowing a telediagnosis and treatment.


Author(s):  
Jerrold L. Abraham

Inorganic particulate material of diverse types is present in the ambient and occupational environment, and exposure to such materials is a well recognized cause of some lung disease. To investigate the interaction of inhaled inorganic particulates with the lung it is necessary to obtain quantitative information on the particulate burden of lung tissue in a wide variety of situations. The vast majority of diagnostic and experimental tissue samples (biopsies and autopsies) are fixed with formaldehyde solutions, dehydrated with organic solvents and embedded in paraffin wax. Over the past 16 years, I have attempted to obtain maximal analytical use of such tissue with minimal preparative steps. Unique diagnostic and research data result from both qualitative and quantitative analyses of sections. Most of the data has been related to inhaled inorganic particulates in lungs, but the basic methods are applicable to any tissues. The preparations are primarily designed for SEM use, but they are stable for storage and transport to other laboratories and several other instruments (e.g., for SIMS techniques).


Author(s):  
MB. Tank Buschmann

Development of oligodendrocytes in rat corpus callosum was described as a sequential change in cytoplasmic density which progressed from light to medium to dark (1). In rat optic nerve, changes in cytoplasmic density were not observed, but significant changes in morphology occurred just prior to and during myelination (2). In our study, the ultrastructural development of oligodendrocytes was studied in newborn, 5-, 10-, 15-, 20-day and adult frontal cortex of the golden hamster (Mesocricetus auratus).Young and adult hamster brains were perfused with paraformaldehyde-glutaraldehyde in sodium cacodylate buffer at pH 7.3 according to the method of Peters (3). Tissue samples of layer V of the frontal cortex were post-fixed in 2% osmium tetroxide, dehydrated in acetone and embedded in Epon-Araldite resin.


Author(s):  
J.N. Turner ◽  
M. Siemens ◽  
D. Szarowski ◽  
D.N. Collins

A classic preparation of central nervous system tissue (CNS) is the Golgi procedure popularized by Cajal. The method is partially specific as only a few cells are impregnated with silver chromate usualy after osmium post fixation. Samples are observable by light (LM) or electron microscopy (EM). However, the impregnation is often so dense that structures are masked in EM, and the osmium background may be undesirable in LM. Gold toning is used for a subtle but high contrast EM preparation, and osmium can be omitted for LM. We are investigating these preparations as part of a study to develop correlative LM and EM (particularly HVEM) methodologies in neurobiology. Confocal light microscopy is particularly useful as the impregnated cells have extensive three-dimensional structure in tissue samples from one to several hundred micrometers thick. Boyde has observed similar preparations in the tandem scanning reflected light microscope (TSRLM).


Author(s):  
P.W. Coates ◽  
E.A. Ashby ◽  
L. Krulich ◽  
A. Dhariwal ◽  
S. McCann

The morphologic effects on somatotrophs of crude sheep hypothalamic extract prepared from stalk-median eminence were studied by electron microscopy in conjunction with concurrently run bioassays performed on the same tissue samples taken from young adult male Sherman rats.Groups were divided into uninjected controls and injected experimentals sacrificed at 5', 15', and 30' after injection. Half of each anterior pituitary was prepared for electron microscopic investigation, the other half for bioassay. Fixation using collidine buffered osmium tetroxide was followed by dehydration and embedment in Maraglas. Uranyl acetate and lead citrate were used as stains. Thin sections were examined in a Philips EM 200.Somatotrophs from uninjected controls appeared as described in the literature (Fig. 1). In addition to other components, these cells contained moderate numbers of spherical, electron-dense, membrane-bound granules approximately 350 millicrons in diameter.


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