Search or ask a question

What is crystallization in the lungs?

Crystallization

Answers from top 6 papers

PDF

Open Access

More filters

Papers (6)	Insight
Journal Article•DOI Molecular Simulation of the Nucleation and Growth of Gold Nanoparticles Caroline Desgranges, Jerome Delhommelle - Show less +1 more 05 Feb 2009-Journal of Physical Chemistry C 42 Citations	Our results establish the following crystallization pathway.
Journal Article•DOI Novel nanoparticles for pulmonary drug administration. Paul A. Dickinson, S. Wyn Howells, Ian W. Kellaway - Show less +2 more 01 Jan 2001-Journal of Drug Targeting 39 Citations	That is the ideal deposition profile for the systemic delivery of drugs via the lungs.
Open access•Journal Article•DOI First determination of the (re)crystallization activation energy of an irradiated olivine-type silicate Z. Djouadi, Louis D'Hendecourt, Hugues Leroux, Anthony P. Jones, J. Borg, D. Deboffle, Nicolas Chauvin - Show less +6 more 01 Sep 2005-Astronomy and Astrophysics 27 Citations	This implies that the crystallization process is independent of the history of the dust.
Journal Article•DOI A tracheal tube-in-tube technique for functional separation of the lungs in the horse. Y. Moens, P. Gootjes, E. Lagerweij - Show less +2 more 01 Mar 1992-Equine Veterinary Journal 16 Citations	It facilitates a valid separation of the two lungs despite variability in bronchial and carinal anatomy.
Open access•Journal Article•DOI Crystallization Mechanisms of Hemoglobin C in the R State Angela R. Feeling-Taylor, Siu-Tung Yau, Dimiter N. Petsev, Ronald L. Nagel, Rhoda Elison Hirsch, Peter G. Vekilov - Show less +5 more 01 Oct 2004-Biophysical Journal 28 Citations	Therefore, strategies developed to control protein crystallization in vitro may be applicable to pathology-related crystallization systems.
Journal Article•DOI Normal and abnormal expansion of the lungs of newborn infants obtained at autopsy. iii. the pattern of aeration as affected by gestational and postnatal age. Peter Gruenwald 01 Aug 1963-Anatomical Record-advances in Integrative Anatomy and Evolutionary Biology 15 Citations	Expansion by liquid media shows that the architecture of these atelectatic lungs is normal.

My columns

Related Questions

How do living creatures direct crystallization?4 answersLiving creatures direct crystallization through various strategies. One strategy involves the nucleation and growth of crystals from a solid disordered phase that has the characteristics of a melt phase, but at ambient temperatures and pressures. This allows organisms to mold the crystals into unusual shapes and orient them as desired. Another strategy involves the direct crystallization of dolomite from an aqueous solution, which occurs through a three-stage process. This process includes the formation of nanoparticulate magnesium-deficient, amorphous calcium carbonate, followed by its dehydration and rapid crystallization to proto-dolomite, and finally the transformation to highly crystalline and stoichiometric dolomite. Additionally, protein crystallization has been observed in living cells, both as a native assembly process and for recombinant proteins. The advent of advanced techniques has allowed for the use of these micrometer-sized crystals for structural biology, offering new possibilities for proteins that do not crystallize using conventional approaches.

What is crystallization?4 answersCrystallization is the process of forming a highly ordered solid structure through the arrangement of atoms, molecules, or ions in a repeating pattern. It is a widely used unit operation in various industries, such as the production of materials like sodium chloride, sodium and aluminium sulphates, and sucrose. Crystallization is often employed for purification purposes, as the enthalpies of crystallization are generally lower than those of vaporization, allowing for energy-efficient purification processes. The process involves three main steps: formation of crystals, crystal growth, and separation of the crystals from the residual liquid. Various methods can be used to induce crystallization, such as reducing the solubility of the sample through cooling a saturated solution. Crystallization plays a crucial role in applications such as water desalination, wastewater treatment, and the production of materials for the electronic and biotechnological industries.

Are cold drinks bad for lungs?8 answers

Can you exercise with fluid in your lungs?9 answers

What does it mean when you have crystallization in your lungs?5 answers

What is crystallization in the body?4 answers

See what other people are reading

How does cryogenic treatment affect the hardness and wear resistance of rock cutting bits?

Is glass cealing real?

Glass ceilings are not a physical structure but rather a metaphorical barrier that represents the invisible obstacles hindering the advancement of certain groups, typically women and minorities, in the workplace. The term "glass ceiling" is not related to the physical properties or applications of glass material. Instead, it symbolizes the discriminatory practices and biases that prevent individuals from reaching higher positions despite their qualifications and abilities. The concept of glass ceilings is prevalent in discussions about workplace diversity and inclusion. It is crucial to address and break these barriers to create equal opportunities for all individuals in professional settings. The term "glass ceiling" is a sociological concept rather than a tangible glass structure.What is Temperature Rising Elution Fractionation used for regarding characterization and evaluation of polymer materials?

Temperature Rising Elution Fractionation (TREF) is utilized for in-depth analysis of the chain structure of semi-crystalline polymer materials, providing crucial information on inter- and intra-molecular comonomer distribution, branching degree, and sequence length. TREF, in combination with techniques like DSC, GPC, and 13C-NMR, enables the isolation and characterization of various fractions within polymer alloys, elucidating chain structures and sequence distributions. Moreover, the development of a novel P-TREF instrument with a broad temperature range has facilitated effective fractionation of challenging polymers like poly(1-butene) resins, enhancing the understanding of their crystallizability. TREF has also been instrumental in fractionating low-density polyethylene resins into multiple fractions, aiding in the characterization of molecular weights, branching contents, crystallinity, and chain homogeneity, thereby establishing a link between chain structure and properties. Additionally, TREF has been innovatively applied in the preparative fractionation of PB-1 resin, broadening the application range of the fractionation principle.Why copper doped zno?

Copper doping in ZnO serves various purposes based on different research findings. Copper-doped ZnO nanostructures have been shown to enhance structural, optical, and antibacterial properties, with improved antibacterial activity attributed to reactive oxygen species generation. Additionally, the incorporation of copper in ZnO has been found to influence the structural and optical properties significantly, affecting crystallite size, lattice strain, and energy density, with distinct changes observed at different doping concentrations. Furthermore, the catalytic performance of ZnO-ZrO2 solid solution catalysts for methanol synthesis from CO2 was notably enhanced by the addition of copper, leading to improved CO2 conversion, methanol yield, selectivity, and catalytic stability, especially with a 3% Cu content. These diverse benefits highlight the importance and utility of copper doping in ZnO for various applications.How does cryogenic treatment affect the hardness and wear resistance of rock cutting bits?

Cryogenic treatment significantly enhances the hardness and wear resistance of rock cutting bits. The treatment induces microstructural changes, transforming austenite to martensite, promoting carbide nucleation, and increasing carbide contiguity. This results in improved hardness, scratch resistance, and wear resistance, leading to reduced wear rates and increased tool lifespan. Cryogenic treatment, particularly when followed by tempering, refines the microstructure, increases vibrational energy of the crystal lattice, and enhances the resistance of cutting tools, positively impacting energy efficiency in production processes. Overall, cryogenic treatment, especially when optimized with appropriate soaking times and post-treatment processes, proves to be a valuable method for enhancing the performance of rock cutting bits by improving their hardness and wear resistance.What is quasi dynamic analysis?

Quasi-dynamic analysis involves studying systems that exhibit dynamic behavior but are analyzed using quasi-static or simplified dynamic models. In various fields like wireless charging of electric vehicles, reactive crystallization processes, pneumatic vibration isolators, and mathematical properties of differential equations, quasi-dynamic models are utilized. These models capture the temporal changes and interactions within the systems, considering dynamic elements like time-varying parameters or processes. For instance, in the context of wireless charging, quasi-dynamic models are developed to analyze the complex electromagnetic environment during in-motion charging processes. Similarly, in reactive crystallization, a quasi-dynamic model integrates mass balances and simulations to predict concentration changes and particle size distributions over time. Overall, quasi-dynamic analysis provides insights into the dynamic behavior of systems through simplified yet effective modeling approaches.What forms can tautomers exist in?

Tautomers can exist in multiple forms characterized by the rearrangement of protons within molecules. These structural isomers differ by the position of protons, impacting crucial interactions like hydrogen bonding and base pairing in nucleic acids. For instance, uracil predominantly exists as three tautomers in gas phase, with one major and two minor forms, as confirmed by mass spectrometry and theoretical calculations. Spectroscopic techniques and advanced methods like resonant inelastic X-ray scattering can help in characterizing and distinguishing coexisting tautomers, such as in the keto-enol equilibrium of 3-hydroxypyridine. Additionally, tautomers can act as crystal growth inhibitors by dynamically interconverting with solutes, affecting crystal morphology and dissolution rates.What are methods pf analysis used in bioSIlica synthesis?

The methods of analysis used in biosilica synthesis include X-Ray Fluorescence (XRF), Scanning Electron Microscopy (SEM), Brunauer-Emmett-Teller (BET) analysis, X-ray powder diffraction (XRD), XRF, SEM, particle size analysis, N2 adsorption analysis, TGA, and FTIR, SEM-EDX, XRD, and TEM analysis. These techniques are employed to characterize the biosilica samples, determine their elemental composition, structural characteristics, surface morphology, surface area, pore volume, and radius, as well as to confirm the purity of the synthesized silica. The combination of spectroscopic and chemical techniques provides valuable insights into the properties and performance of biosilica derived from various sources, such as rice husk ash and sugarcane waste ash, enhancing the understanding of the synthesis process and the potential applications of these green materials.What is the collision cross-section of H beta peak in PECVD process?

The collision cross-section of the H beta peak in the Plasma Enhanced Chemical Vapor Deposition (PECVD) process is not explicitly mentioned in the provided contexts. However, the research by Kebaili et al. discusses the interaction of SiHx radicals with the surface during the PECVD process, focusing on the reactivity coefficients of radicals like SiH3. On the other hand, the study by Edelman et al. delves into the deposition of Si:H solar cells by PECVD, highlighting the morphology and efficiency of the cells, but does not directly address the collision cross-section of the H beta peak. Therefore, based on the available data, the specific collision cross-section of the H beta peak in the PECVD process remains unspecified in the provided contexts.How do excipients interact with active pharmaceutical ingredients to form impurities during manufacturing processes?

Excipients interact with active pharmaceutical ingredients (APIs) to form impurities during manufacturing processes through various mechanisms. Excipients, substances other than APIs intentionally included in drug delivery systems, can lead to sorptive interactions with APIs, affecting their uptake and release. Protein drugs are particularly susceptible to instability caused by excipients, leading to protein unfolding, aggregation, and chemical modifications. The purity of excipients is crucial, as contaminants like microbial pathogens can lead to degradation of active ingredients and formulations. Additionally, the diverse chemical nature and impurities in excipients can complicate safety evaluations, emphasizing the need for stringent regulation and monitoring of excipient compounds. Overall, excipients play a critical role in drug formulations but must be carefully selected and monitored to prevent impurity formation during manufacturing processes.What is the mechanism of calcium phosphate mineralization?

The mechanism of calcium phosphate (CaP) mineralization involves complex processes influenced by biological systems and physicochemical factors. Studies suggest two main views on CaP biomineralization: one involving matrix vesicles (MVs) in vivo, and the other focusing on collagen intrafibrillar mineralization through acellular models. Additionally, the mineralization pathways of hydroxyapatite (HA) in artificial saliva involve classical and nonclassical nucleation processes, with amorphous calcium phosphate (ACP) acting as a substrate for HA nucleation. Furthermore, investigations into calcium phosphate precipitation using urea hydrolysis by urease enzyme reveal periodic precipitation driven by internal pH-regulated phosphate ion concentration changes. Computer simulations highlight the importance of phosphate ions and protein structures in nucleation, aiding in understanding the initial biomineralization stages. The density of carboxyl groups on two-dimensional polymers significantly influences the nucleation and growth of calcium phosphate.