"Polyhydroxybutyrates" Pronounce,Meaning And Examples
"Polyhydroxybutyrates" Natural Recordings by Native Speakers
"Polyhydroxybutyrates" Meaning
Polyhydroxyalkanoates (PHAs) are a family of biodegradable and biocompatible polyesters that are produced by certain bacteria as a method of carbon and energy storage. They have inherent properties such as high strength, biocompatibility, and disorder, which have favorable characteristics for their use in industrial and biomedical applications. Polyhydroxybutyrates (PHB) specifically refer to a type of PHA where the hydroxyalkanoates are derived from 3-hydroxybutyric acid, a derivative of butyric acid, which functions as the monomer unit.PHB itself is a thermoplastic, semi-crystalline polymer, and its properties are similar to those of polypropylene and polyethylene, but it is biodegradable under anaerobic conditions. The interest in PHB arises from its biodegradability, and its similarity in properties to traditional plastics. However, its production and refining processes are more costly compared to those of traditional plastics, which, together with current results from studies on PHAs, indicate that they are one of the most promising biodegradable polymers at present.
"Polyhydroxybutyrates" Examples
5 Usage Examples for Polyhydroxyalkanoates and Polyhydroxyalkanoate Blends/Polymers1. Biodegradable Suture Material: Polyhydroxybutyrates (PHB) like PHB and its copolymer blends (such as PLGA and P3HB-co-4HB) are used in medical applications for surgical sutures and tissue engineering scaffolds. These biodegradable materials reduce the risk of infection and improve tissue integration and repair.2. Release Control Technology: PHA (polyhydroxyalkanoates) polymers are used in controlled release formulations for biodegradable and biocompatible drug delivery in drug-eluting stents, biodegradable loaded scaffold, orthopedic, and retention sutures. This technology regulates the release of pharmaceuticals and modulates their effect over time.3. Packaging and Films: The biodegradable and renewable nature of PHA-based bioplastics (polyhydroxybutyrates, P(HB)) has made them ideal for use in packaging, especially for packaging in organic and home composting programs.4. Surgeons' Aspiring Tools: Polyhydroxybutyrates like PBSA (a copolymer PHB or P3HB-co-4HB) are used as biodegradable alternatives to traditional polypropylene or polycarbonate in surgery settings, helping minimize waste and reducing the chance of infection due to their biocompatible characteristics.5. Sustainable consumer products: in cosmetics and personal care applications. Biopolymers like polyhydroxybutyrates (PHA), Polyhydroxyalkanoates (PHA) and biodegradable polyesters for packaging, papers, capsules and as even plant fertilizers after biodegradation or composting.
"Polyhydroxybutyrates" Similar Words
Polyhedral
Meaning: Having many sides or faces; formed of many sides or faces. Typically, a polyhedron is a three-dimensional solid object that has a polygonal shape in each of its terminal points.
Polyhedron
A polyhedron is a three-dimensional (3D) shape with flat faces, straight edges, and sharp corners or vertices. In other words, it is a solid object bounded by flat polygonal faces. Examples include a cube, pyramid, prism, and sphere.Note: The term "polyhedron" comes from the Greek words "poly" (many) and "hedron" (face).
Polyhedrons
Polyhedrons are three-dimensional solids that are formed by a combination of flat faces. A polyhedron is also known as a polyhedron. Typically, it has three-dimensional space enclosed by flat polygon sides.The faces of a polyhedron are polygons, which are flat shapes with 3 or more sides, while the edges are the line segments that connect the vertices (corners) of the polyhedron.Examples of polyhedrons include pyramids, cubes, prisms, and octahedrons, among many others.
Polyhedrous
Having many sides or faces.Polyhedrous is an adjective used to describe a three-dimensional object that has many flat faces or sides.Example: A polyhedrous solid, like a dodecahedron, has many faces.
Polyhydramnios
Polyhydramnios is a medical condition in which there is an excessive amount of amniotic fluid surrounding a baby during pregnancy. This can be defined as a level of amniotic fluid index (AFI) above the 98th percentile, which is typically considered to be greater than 24 cm.
Polyhydric
Having many water molecules. Describing a compound consisting of many water molecules that can donate hydrogen atoms by making a hydrogen bond (H-bond) with other water molecules.
Polyhydroxyaldehydes
Polyhydroxyalkanoates
Polyhydroxyalkanoates (PHAs) are a class of biodegradable, biocompatible, and biodegradable polymers naturally produced by microorganisms such as bacteria and archaea. They are composed of hydroxyalkanoate repeating units and can be used as a substitute for traditional plastics in packaging, textiles, and other applications.As a short, technical explanation:<em> "Poly" means "many" and refers to the multiple repeating units in the polymer chain.</em> "Hydroxy" refers to the presence of a hydroxyl (-OH) group in the chemical structure. "Alkanoate" refers to a type of carboxylic acid with a hydrocarbon chain.PHAs are considered an attractive alternative to traditional plastics due to their:1. Biodegradability: PHAs can break down naturally in the environment, reducing plastic pollution and waste.2. Biocompatibility: PHAs are non-toxic and can be used in medical applications, such as tissue engineering and drug delivery.3. Customizability: PHAs can be synthesized with different properties and functionalities, making them suitable for a wide range of applications.However, the production of PHAs from renewable resources, such as biomass, is still a developing area of research and has its own set of challenges and limitations.
Polyhymnia
In Greek mythology, Polyhymnia (Πολυμνία) is one of the nine Muses, the goddesses of the arts and sciences. Her name means "many hymns" or "hymn-like", and she is often depicted as the Muse of holy songs, sacred hymns, and elevating and inspiring eloquence. She is associated with the art of plain chant and is the patron of pregnant women.
Polyiodide
Polyisocyanate
A polyisocyanate is a type of organic compound that contains isocyanate groups (-NCO) attached to a polymer chain. These compounds are used as diisocyanates or multimeric isocyanates with isocyanate groups at both termini of the molecule. Polyisocyanates contain as their main component an organic polymer which consists of isocyanatoalkylene structures, often obtained by self polymerization of diisocyanates, and organic segments, generally of low molecular weight.
Polyisocyanurate
A type of polyurethane foam insulation.Definition: Polyisocyanurate (PIR) foam is a type of rigid foam insulation that is made from polymeric isocyanates and a foaming agent. It is a type of thermoset foam, meaning that it is created through a chemical reaction and cannot be melted or reshaped once it is formed.Properties: PIR foam is known for its:1. High R-value (thermal resistance): 6.5-8.0 per inch (26-32.7 per cm), which is higher than other types of foam insulation.2. Low moisture absorption: PIR foam has a low moisture absorption rate, making it a good choice for areas with high humidity.3. High fire resistance: PIR foam is non-combustible and meets the requirements for Class 1 fire rating.4. Durability: PIR foam is resistant to wear and tear, and can withstand exposure to weathering and UV radiation.Applications: PIR foam is commonly used in building construction as insulation in:1. Walls and floors2. Roofs and ceilings3. Attics and crawl spaces4. Pipework and ductworkIt is also used in refrigeration and cold storage applications, and in the manufacture of various products, such as building panels, door and window insulation, and packaging materials.
Polyisoprene
Polyketides
Polykleitos
Polylactic
Polylactic acid (PLA) is a biodegradable thermoplastic polymer derived from renewable resources such as corn starch or sugarcane. It's a biocompatible and biodegradable material often used in:1. Biomedical applications, such as surgical implants and tissue engineering scaffolds.2. Bioplastics, including packaging materials, disposable cutlery, and food containers.3. 3D printing filaments, a popular choice for creating prototypes and other objects.4. Cosmetic applications, like skin and wound care products.PLA is a plant-based alternative to fossil fuel-based plastics, offering a more sustainable option for various industries.