Results 261 to 270 of about 11,632,967 (345)

A 3D Biofabricated Disease Model Mimicking the Brain Extracellular Matrix Suitable to Characterize Intrinsic Neuronal Network Alterations in the Presence of a Breast Tumor Disseminated to the Brain

Advanced Functional Materials, EarlyView.
A 3D disease model is developed using customized hyaluronic‐acid‐based hydrogels supplemented with extracellular matrix (ECM) proteins resembling brain ECM properties. Neurons, astrocytes, and tumor cells are used to mimic the native brain surrounding.
Esra Türker, Mateo S. Andrade Mier, Jessica Faber, Mike Friedrich, Zan Lamberger, Jeannette Weigelt, Christian Stigloher, Nicoletta Murenu, Natascha Schaefer, Jörg Tessmar, Gregor Lang, Silvia Budday, Katrin G. Heinze, Antje Appelt‐Menzel, Pamela L. Strissel, Reiner Strick, Carmen Villmann   +16 more
wiley   +1 more source

Ice Lithography: Recent Progress Opens a New Frontier of Opportunities

Advanced Functional Materials, EarlyView.
This review focuses on recent advancements in ice lithography, including breakthroughs in compatible precursors and substrates, processes and applications, hardware, and digital methods. Moreover, it offers a roadmap to uncover innovation opportunities for ice lithography in fields such as biological, nanoengineering and microsystems, biophysics and ...
Bingdong Chang, Gwendoline A. E. Anand, Rubaiyet Haque, Dylan A. Chiaro, Mona Sharma, Andrew R. Williams, Frank Niklaus, Daryl W. Yee, Gavin M. King, Anpan Han   +9 more
wiley   +1 more source

Near‐Infrared Organic Photovoltaic Electrodes for Subretinal Neurostimulation

Advanced Functional Materials, EarlyView.
Organic photovoltaic electrodes based on the D18:Y6 blend enable precise and light‐controlled activation of retinal ganglion cells in a degenerating retina. NIR Light‐driven activation of retinal ganglion cells, tunable stimulation parameters, and biocompatibility with human retinal organoids highlight their potential for next‐generation prosthetics ...
Andrea Corna, Katarina Gugujonovic, Manuela Schiek, Alessandro Bellapianta, Paul Werginz, Amelie Ziller, Markus Clark Scharber, Ahmad Salti, Matthias Bolz, Mihai Irimia‐Vladu, Günther Zeck   +10 more
wiley   +1 more source

A Smart Bio‐Battery Facilitates Diabetic Bone Defect Repair Via Inducing Macrophage Reprogramming and Synergistically Modulating Bone Remodeling Coupling

Advanced Functional Materials, EarlyView.
This research presents a novel implantable bio‐battery, GF‐OsG, tailored for diabetic bone repair. GF‐OsG generates microcurrents in high‐glucose conditions to enhance vascularization, shift macrophages to the M2 phenotype, and regulate immune responses.
Nanning Lv, Haifu Sun, Wenxiang Tang, Yonggang Li, Zhonglai Qian, Lihui Hong, Chong Chen, Hongye Li, Jiaxiang Bai, Yusen Qiao, Mingming Liu   +10 more
wiley   +1 more source

Multi‐Faceted Binder Enhancement via Slurry‐Applicable Thiol‐Ene Click Chemistry for Low‐Pressure‐Operable All‐Solid‐State Batteries

Advanced Functional Materials, EarlyView.
Cross‐linked binders with enhanced resiliencies under low operating pressures are designed via in situ thiol‐ene click reactions within slurries. Cross‐linking improves the Young's moduli and elasticities of the styrene‐butadiene rubber binders, effectively mitigating interparticle delamination within the composite cathodes induced by volumetric ...
Young Joon Park, Kyu Tae Kim, Seunggoo Jun, Jong Seok Kim, Jaehyun Yoon, Cheol Bak, Yong Min Lee, Dong Hyeon Kim, Ji Young Kim, Yoon Seok Jung   +9 more
wiley   +1 more source

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Solubility and Dissolution Rate

Powder Technology Handbook, 2019
In the characterization of powdered materials, solubility and dissolution rate are important properties. These properties may become critical when a powdered material is used as a solution or when it can work effectively in a molecular form in solution.
H. Takeuchi
semanticscholar   +2 more sources

Nonsink Dissolution Rate Equations

Journal of Pharmaceutical Sciences, 1975
In spite of the fact that film theory is based on severe assumptionss, it is shown to be a good working model. The Niebergall-Goyan equation, the Short-Sharkey-Rhodes equation, and the Pothisiri-Carstensen equation-all based on simple film theory-are shown to hold through 80-90% of the dissolutin process for p-hydroxybenzoic acid and sodium chloride ...
M, Patel, J T, Carstensen
openaire   +2 more sources

Nonsink Dissolution Rate Equation

Journal of Pharmaceutical Sciences, 1973
An equation was developed which describes the dissolution of monodisperse particles beyond the point where concentrations are small compared to solubility. If it is assumed that a stagnant layer model applies, the thickness of these layers is of the same order of magnitude as calculated via the Hixson-Crowell treatment but dissolution rate constants ...
P, Pothisiri, J T, Carstensen
openaire   +2 more sources

Dissolution Rate Equations in CoIumn-Confined Dissolution

Journal of Pharmaceutical Sciences, 1976
Equations are derived for the dissolution of a soluble solid in a column into a liquid stream. The equations are substantiated by experiments using oxalic acid dihydrate as a test substance. The dissolution rate constant, k, of oxalic acid dihydrate depends on linear velocity, v (centimeters per second), by the following equation: k = (2.54 +/- 0.76) X
J T, Carstensen, K, Dhupar
openaire   +2 more sources

Dissolution rates of silicate cements

Biomaterials, 1982
The literature relating to the dissolution of the silicate cements is reviewed, including the methodology, intrinsic factors relating to composition and method of mixing, curing etc. and extrinsic factors, i.e. the medium, pH, ionic strength etc. to which the sample of cement is exposed.
A T, Kuhn, G B, Winter, W K, Tan
openaire   +2 more sources