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The photographic evidence, which is consistent with hundreds of visual scanning electron microscopy and transmission electron microscopy examinations, does not support the conclusion that a skin or similar impervious film forms around cottage cheese curd particles when conventional manufacturing procedures are used.
The results obtained allowed us to identify a molecular marker which is present in very small amounts in cheese made from fresh curd and at high levels in cheese made from stored curd.
This study suggests that copper tolerant culture with retained probiotic properties could be used to deliver through cheese to the consumers.
Finally, Comte cheese may constitute a useful source of Cu and Zn in human diet.
Ni levels in cheese indicated that they are not good sources of this element.
Curd preparation, cheese composition, starter type and ripening conditions have direct and indirect effects on this process.

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How can nanofluids be used to improve the CO2 geost?
4 answers
Nanofluids, such as those containing silica nanoparticles or carbon nanotubes, have shown promise in enhancing CO2 capture efficiency. By utilizing nanofluids in processes like postcombustion capture or CO2 geo-sequestration, the mass transfer of CO2 can be significantly improved. These nanofluids, when properly designed and stabilized, can alter the wettability of geological formations, increasing the capillary pressure for CO2-brine and aiding in trapping CO2 in the subsurface. Additionally, the addition of nanoparticles into base fluids has been reported to enhance CO2 absorption efficiency, potentially reducing energy consumption in the process. Overall, nanofluids offer a novel approach to CO2 capture and storage, showing great potential in mitigating greenhouse gas emissions and advancing towards a net-zero carbon target.
How can nanofluids be used to improve the CO2 geostRage?
5 answers
Nanofluids can enhance CO2 geostorage efficiency through various mechanisms. By incorporating nanoparticles like SiO2 and carbon nanotubes (CNT) into the capture process, nanofluids improve mass transfer due to Brownian motion and grazing effects. These nanoparticles alter wettability, increasing capillary pressure for CO2-brine, aiding in CO2 trapping in geological formations. Nanofluids, when stable and well-dispersed, exhibit improved absorption and desorption mechanisms for CO2, contributing to enhanced capture performance. Additionally, the use of nanofluids in CO2 solvents shows potential for significantly boosting gas absorption, especially when nanoparticle concentrations are optimized. Overall, nanofluids offer a promising avenue for advancing CO2 geostorage efficiency by leveraging nanoparticle properties to modify fluid behavior and enhance the overall capture process.
Does covaxin have graphene oxide?
5 answers
Based on the provided research data, Covaxin is not mentioned in the contexts provided. However, the presence of graphene oxide has been identified in vaccines from other manufacturers like Pfizer, Moderna, Astrazeneca, and Janssen. Graphene oxide has been studied for its antiviral properties and potential use in inhibiting the spread of SARS-CoV-2. Additionally, graphene oxide has been explored as a nanoscale platform for interacting with SARS-CoV-2 components and disrupting infectivity, showing promise as a potential antiviral strategy against COVID-19. Therefore, while Covaxin's specific composition is not addressed in the provided contexts, the presence of graphene oxide has been noted in vaccines from other manufacturers.
Can limestone sulfur reactor technology provide a sustainable and cost-effective solution for meeting global sulfur demand?
5 answers
Limestone sulfur reactor technology shows promise as a sustainable and cost-effective solution for meeting global sulfur demand. Research indicates that limestone-based desulfurization processes can achieve high sulfur dioxide (SO₂) capture efficiencies, with some studies reporting conversion values exceeding 0.99 in gas outlets. The technology's efficiency is influenced by factors like limestone particle size, SO₂ concentrations, and reaction rates, with ultrafine particles demonstrating good sulfation reactivity even at low SO₂ levels. Moreover, the use of natural limestone in desulfurization processes, despite being affected by impurities and water vapor, can be optimized through calcination and sulfurization steps. Supporting structures for sulfur reactors enhance operational stability and prevent catalyst leakage, making them suitable for large-scale applications. Overall, catalytic reduction processes using limestone sulfur reactors offer a sustainable approach by converting waste SO₂ into elemental sulfur, aligning with circular economy principles.
What kinds of porous material are used in Civil Engineerng?
5 answers
Porous materials used in Civil Engineering include porous concrete, which is a special type of concrete with an interconnected pore structure allowing water to flow through. This material is beneficial for managing rainwater runoff, groundwater recharge, and reducing the need for extensive stormwater management systems. Additionally, porous concrete is durable and can last for 20-40 years with minimal maintenance. Another type of porous material is porous asphalt, which is used in road construction to enhance drainage and reduce surface water runoff. These materials are environmentally friendly, sustainable, and contribute to the eco-friendliness of infrastructure projects. Furthermore, the composition of these porous materials can be adjusted to optimize properties like porosity, strength, and durability.
Why does Cholesterol coating decreases nanostructured lipid carriers size?
5 answers
Cholesterol coating decreases the size of nanostructured lipid carriers (NLCs) due to its impact on particle formation and stability. Research indicates that the addition of cholesterol to NLCs results in the formation of smaller particles compared to NLCs without cholesterol, as seen in the study by Riangjanapatee et al.. However, while cholesterol enables the creation of smaller particles, it also reduces the stability of the drug within the NLCs, affecting the overall size and integrity of the carriers. Therefore, to maintain the chemical stability of the drug in NLCs, it is recommended to avoid cholesterol in the formulation and store the NLCs appropriately at lower temperatures, as highlighted in the same study.
How to prepare MoS2 nanopartice?
4 answers
To prepare MoS2 nanoparticles, various methods can be employed. Hydrothermal, solvothermal, and sol-gel methods are effective techniques for synthesizing MoS2 nanoparticles. Additionally, a photochemical strategy involving irradiation of a mixed solution containing specific precursors under a Xe lamp has been proposed for the synthesis of amorphous MoS2 nanomaterials, showing promising results in terms of particle size, morphology, and surface area. Furthermore, reductive coprecipitation using aqueous solutions containing Ti and Mo precursor salts has been suggested for preparing MoS2 nanoparticles supported on TiO2, which can be non-promoted or Co-promoted, with potential applications as hydrodesulfurization catalysts. These methods offer control over the grain size, surface morphology, and photo response activity of the MoS2 nanoparticles, showcasing their versatility and potential for various applications.
What are the different methods for synthesizing nanoparticles using the inverse micelle method?
5 answers
The inverse micelle method is a significant technique for synthesizing nanoparticles with desired shape and size. This method involves the formation of reverse micelles using at least three components, where two are non-miscible and the third is a surfactant with amphiphilic properties. The synthesis of nanoparticles through reverse micelles is particularly useful for achieving uniformity in size and shape. Various procedures fall under the umbrella of the inverse micelle method, including the two-microemulsion reverse micelle technique used for preparing nanoparticles of rare earth manganites like La0.375Ca0.625MnO3 and Nd0.375Ca0.625MnO3. This method allows for precise control over the size distribution of nanoparticles, indicating its potential for tailored nanoparticle synthesis.
What is stone milling and pin milling?
5 answers
Stone milling involves using a stone mill to process materials like wheat, where the mill comprises upper and lower mill discs with specially carved milling edges to efficiently peel layers, crush seeds, and protect nutrient substances, resulting in high-quality flour with reduced nutrient loss and improved efficiency. On the other hand, pin milling is a process that utilizes a pin mill to tailor particle size distribution for various attributes like dissolution and content uniformity in industries such as pharmaceuticals. The milling performance in a pin mill is influenced by equipment conditions and material properties, with breakage primarily occurring due to collisions with the rings, except for large particles where nipping also contributes. Stone milling retains traditional features, while pin milling is more focused on enhancing specific material attributes in industrial processes.
Is there any electrified or microwave curing research for Geopolymer Concrete which resulted in above 50MPa compressive strenght?
5 answers
Research has explored innovative curing methods for Geopolymer Concrete to achieve high compressive strength. One study introduced an electromagnetic field (EMF) curing method using waste iron powder (WIP) that resulted in compressive strengths exceeding 50 MPa. Another research focused on utilizing secondary raw materials like concrete powder and additives to enhance mechanical strength, achieving a compressive strength of 59.64 MPa. These alternative curing techniques not only accelerated the geopolymerization process but also significantly increased the compressive strength of the Geopolymer Concrete samples. The EMF curing method, in particular, demonstrated energy efficiency and effectiveness in producing high-strength Geopolymer Concrete, showcasing the potential for sustainable and robust construction materials.
How does the addition of carboxylmethyl chitosan affect the morphology and properties of the resulting calcium phosphate?
5 answers
The addition of carboxymethyl chitosan (CMC) to calcium phosphate (CaP) composites significantly influences their morphology and properties. Incorporating CMC into CaP scaffolds results in the formation of a composite scaffold (CSHA) with enhanced odontogenic differentiation potential on human dental pulp stem cells (hDPSCs). The CSHA scaffold exhibits a porous microstructure with a Ca/P molar ratio of 1.67, promoting bioactivity and consistent pH maintenance during in-vitro studies. Moreover, CSHA shows increased alkaline phosphatase (ALP) and mineralization activity compared to Biodentine, indicating superior biomineralization abilities. This suggests that the addition of CMC to CaP enhances the scaffold's bioactivity, odontogenic differentiation, and mineralization potential, making it a promising candidate for pulp capping applications.