Results 111 to 120 of about 1,047,382 (357)

3D In Vitro Models of Breast Cancer: Current Challenges and Future Prospects Toward Recapitulating the Microenvironment and Mimicking Key Processes

open access: yesAdvanced Biology, EarlyView.
In vitro cancer models are advantageous for studying important processes such as tumorigenesis, cancer growth, invasion, and metastasis. The complexity and biological relevance increase depending on the model structure, organization, and composition of materials and cells.
Kyndra S. Higgins   +2 more
wiley   +1 more source

Shear Bond Strength of Nanocomposites to Dentin Substrate Treated with Er:YAG Laser Followed by Two Different Bonding Systems

open access: yesJournal of Islamic Dental Association of Iran, 2017
Background and Aim: Preparation of tooth structure by laser systems produces a surface with different characteristics. Therefore, selecting an appropriate bonding system is necessary to achieve the maximum bond strength.
Mansoureh Mirzaee   +6 more
doaj  

Distribution of exchange energy in a bond-alternating S=1 quantum spin chain

open access: yes, 2003
The quasi-one-dimensional bond-alternating S=1 quantum antiferromagnet NTENP is studied by single crystal inelastic neutron scattering. Parameters of the measured dispersion relation for magnetic excitations are compared to existing numerical results and
A. Kitazawa   +46 more
core   +1 more source

Optimized Cell‐Based Platform for Platelet‐Free Detection of Heparin‐Induced Thrombocytopenia Antibodies

open access: yesAdvanced Biology, EarlyView.
This study optimized a cell‐based ELISA for HIT antibody detection using PF4‐coated breast cancer cells (MDA‐MB‐231). Enhanced binding was observed at 50 mM NaCl and 4% paraformaldehyde fixation. Live MDA‐MB‐231 and HCT‐116 cells demontrated superior sensitivity and specificity, providing a promising platelet‐free alternative for clinical HIT diagnosis.
Li‐Yu Chen   +4 more
wiley   +1 more source

Influence of Light Curing Time on the Bond Strength of Orthodontic Brackets Using Different Light Curing Units – An In vitro Study

open access: yesJournal of Pharmacy and Bioallied Sciences
Background: The bond strength of orthodontic brackets is crucial for successful orthodontic treatment. Light curing units (LCUs) play a significant role in this process, with varying light curing times potentially impacting bond strength.
Anand A. Tripathi   +5 more
doaj   +1 more source

Influence of dentin pretreatment on bond strength of universal adhesives

open access: yesActa Biomaterialia Odontologica Scandinavica, 2017
Objective: The purpose of the present study was to compare bond strength of different universal adhesives under three different testing conditions: when no pretreatment was applied, after 37% phosphoric acid etching and after glycine application ...
Claudio Poggio   +4 more
doaj   +1 more source

Scaling of Fracture Strength in Disordered Quasi-Brittle Materials

open access: yes, 2004
This paper presents two main results. The first result indicates that in materials with broadly distributed microscopic heterogeneities, the fracture strength distribution corresponding to the peak load of the material response does not follow the ...
Nukala, Phani Kumar V. V.   +1 more
core   +1 more source

Nature and strength of group-14 A–A′ bonds [PDF]

open access: yesChemical Science
Quantum-chemical analyses reveal: Si–Si bonds are longer, weaker, and react oppositely to introducing bulkier substituents than C–C bonds.
Daniela Rodrigues Silva   +4 more
openaire   +3 more sources

Microphysiological Glomerular Filtration Barriers: Current Insights, Innovations, and Future Applications

open access: yesAdvanced Biology, EarlyView.
The glomerular filtration barrier (GFB) is the first step of blood filtration by the kidneys. The concerning increase of kidney diseases makes the development of new models essential. In this context, microphysiological glomerular filtration barriers focus on closely reproducing the physiological architecture of the in vivo GFB: podocytes, glomerular ...
Manon Miran   +5 more
wiley   +1 more source

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