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Monodisperse Emulsions Templated By 3D-Structured Microparticles

UCLA Researchers in the Departments of Bioengineering and Mathematics have developed a method to generate uniform, thermodynamically stabilized microdroplets with digitizable solid structures.

Selective Antimicrobial Peptides From Human Milk For Treatment Of Severe Infections

Researchers at the University of California, Davis have developed human milk-derived peptides that have demonstrated broad-spectrum, antibacterial, activity against a variety of harmful pathogens - without these peptides harming most, non-pathogenic, bacterial, flora.

Controlled And Efficient Synthesis Of Inorganic-Organic Composite Cementation Agents With Enhanced Strain Capacity

Researchers in the UCLA Department of Civil and Environmental Engineering, Department of Chemical Engineering and Department of Chemistry and Biochemistry have developed an energy-saving approach to controllably fabricate cemented solids with hybrid microstructures and enhanced properties.

A New Material for Improved Energy Transfer in Photonic Devices

Prof. Ming Lee Tang and her colleagues from the University of California, Riverside have developed a promising new material for photonic devices utilizing hybrid materials composed of inorganic semiconductor nanocrystals and organic acene molecules. The material allows for photon upconversion, a promising wavelength shifting technology for photon management. This multi-photon process has potential applications in biological imaging, photocatalysis and photovoltaics. Regarding solar energy systems, the conversion of low energy near-infrared (NIR) photons to higher energy photons is particularly appealing, considering NIR radiation comprises 53% of the solar spectrum. Current solar panels are greatly limited in efficiency due to this. Reshaping the solar spectrum to match the optical properties of common semiconductors will allow the efficient use of all incident light. This holds the potential to solve the largest issue that current solar panel systems face.

2D Perovskite Stabilized Phase-Pure Formamidinium Perovskite Solar Cells and Light Emitting Diodes

UCLA researchers in the Department of Materials Science and Engineering have developed a novel lead halide perovskite solar cell based on a mixture of formamidinium perovskites and 2D perovskites.

Single-Atom Tailoring of Platinum Nanocatalysts for High-Performance Multifunctional Electrocatalysis

UCLA researchers in the Departments of Chemistry and Biochemistry, and Material Science and Engineering, have developed a single-atom tailoring method to boost the electrocatalytic activity of platinum-based catalysts with low loss of generatable current.

Automated Drosophila Maintenance System

Drosophila spp., also known as fruit flies, are widely used in genetic research. Drosophila lines (e.g. flies with a particular mutation) can only be stored as live animals – they cannot be frozen and remain viable. So to maintain the stocks, the live flies are manually transferred from an old vial to a new vial on a regular basis (every 1-2 weeks). Some Drosophila labs maintain hundreds or even thousands of individual lines and so maintenance of these lines can be very time consuming. A UC Santa Cruz Drosophila researcher has developed a simpler and more efficient method of transferring the flies that requires significantly less hands-on work.

Rheological Tuning of the Crystal Growth

Solutions of shear-thinning polymers are known to decrease in viscosity as a shear force is applied to the solution. In this work, the inventors show that by pre-shearing a shear-thinning polymer solution mixed with a precursor solution of a semiconducting crystal we can tune the size and morphology of the growing crystals, which governs the optoelectronic properties of the formed crystals. By pre-shearing the solution we are able to lower the viscosity of the solution, which plays a key role in the liquid phase processing (eg., coating processes). By forming a thinner, low-viscosity coating, we are able to tune the nucleation and growth rate of the crystals to form crystals that are smaller and more uniformly distributed in size, leading to a uniform and conformal coating. This approach allows us to coat a uniform layer of semiconducting crystals, which is necessary for developing functional optoelectronic devices.

Real-time Feature Inspection for Additive Manufacturing Systems

Additive Manufacturing (AM) is the process of making 3D objects from a computer model data by joining materials layer by layer under computer control using a 3D printer.   Poplar systems, even for home use, can be purchased that use various polymer plastics. In more robust application areas, metal alloys are required and their manufacturing is much more costly and time intensive. Metal parts created by additive manufacturing are often difficult to dimensionally characterize due to the complex surface structures created by welding phenomena present in state-of the art printing machines. The most holistic techniques involve measuring the surface of each sintered layer of powder, however, this is complicated to perform in a non-contact, non-destructive, and in-situ manner. Techniques such as Spectral Domain Optical Coherence Tomography can be used to perform this task, but are limited to large pointwise measurement, limiting the speed and resolution of measuring the surface topography of each layer.  Due to the cost associated with additive manufacturing with alloys, reliable inspection methodologies are necessary to ensure that the part being fabricated is free of defects and meets all user specifications.

New Classes Of Cage And Polyhedron And New Classes Of Nanotube And Nanotube With Planar Faces

UCLA researchers have developed a novel algorithm that can be used to design unique self-assembled molecules and nanostructures.

New Substrate to Enhance Catalytic Activity

Researchers at UCR have developed a sulfated zirconium oxide substrate containing strong Lewis acid sites to enhance the activity and selectivity of heterogeneous catalysts. As seen in Fig 1, this new heterogeneous catalyst significantly increases catalyst activity compared to a known olefin metathesis catalyst in homogeneous solution. Fig. 1 shows the catalytic activity for the UCR supported catalyst (red dots) at ~0.001 mol % loading in the metathesis of 1-decene. The black dots are metathesis activity of the same catalyst unsupported catalyst in solution at 0.1 mol%.  

Material For Thermal Regulation

Researchers at UCI have developed a lightweight, flexible thermal material that, due to the extent that it is stretched, allows for tunable control of heat flow.

Lower Cost Method for Fabricating Porous Metal Oxide Composites

Researchers at the University of California, Riverside have developed lower cost methods to synthesize metal oxide composites. The metal organic particles are fabricated by first dispersing a metal oxide precursor with a dispersing agent. The pH of the dispersing agent is set between 7.8 and 11. These conditions promote binding of the metal oxide and dispersing agent in solution. The resulting mixture is then heated at lower temperatures than current processes and subsequently extruded to form the desired geometry. The nanoparticles can be recovered and reused for further treatment. Metal oxides can also be fabricated into stand-alone structures, eliminating the need for nanoparticle recovery. Fig. 1 Continuous stirred tank reactor (CSTR) fabrication method for the metal oxide particles. Metal oxide is mixed with the dispersing agent, then washed, heat-treated and finally extruded into the desired geometry   Fig. 2 Dried cubes of TiO2 mixed with PVA dispersing agent  

Variable Friction Shoe

The Variable Friction Shoe, which ameliorates the effects of drop foot.

New Catalysts for Perchlorate Reduction in Water

Prof. Jinyong Liu’s lab at UCR has developed a new family of catalysts that reduce perchlorate in contaminated water and wastewater. The catalyst rapidly and completely reduces the toxic ClO4- into the innocuous chloride (Cl -) by breaking down the bonds between the central chlorine atom and all surrounding oxygen atoms. The reduction is a green process because no byproducts are produced in the water. The catalyst completely reduces perchlorate in a very wide concentration range, and retains high activity even in brine with concentrated salts. The catalyst using earth-abundant and non-toxic metal provides sustainable solutions to the perchlorate issues in terms of water and wastewater treatment, ion-exchange resin regeneration, and old munition/explosive disposal. Not only can this new catalyst reduce perchlorate but it may also be used to reduce other drinking water contaminants such as chlorate, chlorite, nitrate, nitrite, bromate, and iodate in a variety of environmental remediation scenarios.  Fig. 1 shows the reduction profiles of 1, 10, and 100 mM ClO4− (corresponding to 100,000 to 10,000,000 ppb) by the UCR catalyst at a loading of only 0.2 g/L. The reactions were conducted at 25 oC and under 1 atm H2. Fig. 2 shows the high activity for the catalytic reduction of 1 mM ClO4− by the UCR catalyst (just 0.2 g/L) in the typical resin generation wastes containing chloride and sulfate.

Iii-N Transistor With Stepped Cap Layers

A new structure for III-N transistors that is able to maintain a high breakdown and operating voltage while improving the gain of the device.

Device and Method for Microscale Chemical Reactions

UCLA researchers in the Departments of Bioengineering and Molecular and Medical Pharmacology have developed a passive microfluidic reactor chip with a simplified design that is less costly than existing microfluidic chips.

Device and Method for Accurate Sample Injection in Analytical Chemistry

Researchers in the UCLA Departments of Bioengineering and Medical and Molecular Pharmacology and the UCSF Department of Bioengineering and Therapeutic Sciences have developed a novel microvalve injector for capillary electrophoresis (CE) that improves injection repeatability and consistency.

Engineered Biomaterial to Prevent Endothelial Inflammation

Researchers at the University of California, Davis have developed a biocompatible material to mimic the glycocalyx, the natural layer of molecules that coats the outside of endothelial cells. This technology can be used to treat inflammation in diseases characterized by dysfunction in leukocyte-endothelial cell interactions.

Selective Deposition Of Diamond In Thermal Vias

UCLA researchers in the Department of Materials Science & Engineering have developed a new method of diamond deposition in integrated circuit vias for thermal dissipation.

Combination of a drug with low level light therapy (LLT) for treatment of wounds

This is a combination of a drug and light technology for the purpose of accelerating the healing of wounds on the skin, ulcers, and elsewhere in the body. Both methods have been shown to accelerate wound healing, and combining the two will potentially result in more rapid healing than either would alone.  

Metal Triazolites

UCLA researchers in the Department of Chemistry and Biochemistry have developed a novel metal-organic framework (MOF) using triazole ligands that allows for facile modification with a variety of metals, which has unique gas separation and adsorption properties.

Soft Burrowing Robot for Simple & Non-Invasive Subterranean Locomotion

A soft robot that can successfully burrow through sand and dirt, similar to a plant root.

Complex Mixed Ligand Open Framework Materials

UCLA researchers in the Department of Chemistry and Biochemistry have developed a novel multifarious mixed functionalized metal-organic framework (MOF), which has been demonstrated to be successful in gas storage and separation.

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