Results 41 to 50 of about 39,091 (262)

Sulfation‐Tunable Peptide‐Glycosaminoglycan Hydrogels for Hematopoietic Stem and Progenitor Cell Expansion

Advanced Functional Materials, EarlyView.
Co‐assembly of rationally designed glycosaminoglycan‐binding peptides with sulfated glycosaminoglycans yields supramolecular hydrogels with tunable mechanics and matrix‐mediated cytokine retention. The glycosaminoglycans thereby act as cofactors, driving a coil‐to‐β‐sheet transition that triggers gelation.
Shirel Veretnik, Prannoy Seth, Maximilian Fusenig, Jens Friedrichs, Nicole Fertala, Passant Atallah, Uwe Freudenberg, Ayala Lampel, Carsten Werner   +8 more
wiley   +1 more source

Multicomponent Peptide‐MXene‐Hyaluronic Acid Hydrogel as a Conductive Scaffold for Enhanced Fibroblast Proliferation and Migration Under Electrical Stimulation

Advanced Healthcare Materials, EarlyView.
An electrically conductive FmocFF/MXene/hyaluronic acid hydrogel combines extracellular matrix‐like architecture, self‐healing behavior, oxidation‐resistant conductivity, and biochemical cues in a single scaffold. By enabling physiologically relevant electrical stimulation, the platform enhances fibroblast attachment, proliferation, and migration ...
Offir Loboda, Dana Cohen‐Gerassi, Dor Aaron Goldstein, Or Messer, Bar Favelukis, Ehud Gazit, Maxim Sokol, Lihi Adler‐Abramovich   +7 more
wiley   +1 more source

Image processing for feature detection and extraction [PDF]

INCAS Bulletin
The present paper aims to conduct an experiment that compares different methods of detecting objects in images. Programs were developed to evaluate the efficiency of SURF, BRISK, MSER, and ORB object detection methods.
Nicolae APOSTOLESCU, Dragos-Daniel ION-GUTA   +1 more
doaj   +1 more source

DeepFake Video Production and SIFT-based Analysis

Telfor Journal, 2020
Nowadays advantages in face-based modification using DeepFake algorithms made it possible to replace a face of one person with a face of another person.
M. Đorđević, M. Milivojević, A. Gavrovska   +2 more
doaj   +1 more source

Engineering Concentration‐Dependent Intravitreal Mobility via Cyclic Arginine‐Enriched Nanocarrier Surface Modification: In Vivo Proof‐of‐Concept in a Porcine Large Animal Model

Advanced Healthcare Materials, EarlyView.
In this study, Hammer et al. highlight cyclic‐arginine surface engineering as a highly biocompatible, controllable, and concentration‐dependent regulator of intravitreal nanoparticle mobility in vivo in a translational large animal model. The cyclic arginine surface‐modification supports the development of next‐generation biomaterials for long‐acting ...
Maximilian Hammer, Bryan Calder Ackermann, Anna Stoß, Niklas Junker, Ludwig Geisweid, Sabrina Wohlfart, Jonathan Herth, Simon William Pohl, Manuel Ben Böhmann, André Schulz, Victor Aristide Augustin, Gerd Uwe Auffarth, Philipp Uhl   +12 more
wiley   +1 more source

Tuning Amorphous‐Crystalline Catalytic Interfaces by Mechanochemistry: Cu‐Based Metallic Glasses Coupled with Ceria for CO Oxidation

Advanced Materials, EarlyView.
Ball‐milling Cu‐based metallic glasses with ceria creates a unique nanostructure where metallic glass particles are wrapped by CeO2 nanoparticles. The intimate integration triggers copper state reorganization during reaction and aging, boosting CO oxidation and COPrOx activity.
Maahin Mirzay‐Shahim, Mehran Nabahat, Laia Pascua‐Solé, Isabel Serrano, Ilaria Lucentini, Xènia Garcia, Marina Armengol‐Profitós, Asier Agrelo‐Lestón, Ignasi Burgués‐Ceballos, Núria J. Divins, Ignacio J. Villar‐Garcia, Virginia Pérez‐Dieste, Carlos Escudero, Carlo Marini, Jordi Llorca, Eloi Pineda, Pere Bruna, Lluís Soler   +17 more
wiley   +1 more source

Automatic mosaic method of remote sensing images based on machine vision

Компьютерная оптика
Unmanned Aerial Vehicle (UAV) remote sensing is a commonly used technical means in modern science and technology, but currently, remote sensing images captured by UAVs need to be spliced to obtain more comprehensive information.
S.P. Gao, M. Xia, S.J. Zhang
doaj   +1 more source

Automatic Orientation Estimation of Inertial Sensors in C-Arm CT Projections

Current Directions in Biomedical Engineering, 2019
To obtain CT images of the knee joint in a more lifelike position, data acquisition can be performed with patients in standing rather than in lying position. However, in that situation, people tend to show involuntary motion.
Thies Mareike, Maier Jennifer, Eskofier Björn, Maier Andreas, Levenston Marc, Gold Garry, Fahrig Rebecca   +6 more
doaj   +1 more source

Image Segmentation and Feature Extraction Using Sift-Sad Algorithm for Disparity Map Generation

Communications, 2013
In this paper, a stereo matching algorithm based on image segments and disparity measurement using stereo images is presented. We propose the hybrid segmentation algorithm that is based on a combination of the Belief Propagation and Mean Shift algorithms
Patrik Kamencay, Martina Zachariasova, Robert Hudec, Miroslav Benco, Jan Hlubik, Slavomir Matuska   +5 more
doaj   +1 more source

IRIS AND FINGER VEIN MULTI MODEL RECOGNITION SYSTEM BASED ON SIFT FEATURES [PDF]

International Journal of Intelligent Computing and Information Sciences, 2015
Individual identification process is a very significant process that resides a large portion ofday by day usages. Identification process is appropriate in work place, private zones, banks …etc.Individuals are rich subject having many characteristics that
A Raid, E ALdaidamony, F Mohammed
doaj   +1 more source