• Natural and synthetic hydrophylic polymers can be phisically or chemically cross-linked in order to produce hydrogels. (untirta.ac.id)
  • Superabsorbent polymers are obtained by the graft copolymerization of 2-acrylamido-2-methylpropanesul- fonic acid (AMPS) monomer onto collagen, using ammonium persulfate as a free radical initiator in the presence of methylene bisacrylamide as a crosslinker. (tubitak.gov.tr)
  • In contrast, few studies have examined recycling of the sodium polyacrylate superabsorbent polymers. (nature.com)
  • One of Bates' area of research is in hydrogels, which are water-absorbing polymers. (labmanager.com)
  • Hydrogels are superabsorbent (they can contain over 99% water) natural or synthetic polymers. (wordinfo.info)
  • Gelesis100 is an oral superabsorbent hydrogel, which is produced from carboxymethylcellulose and citric acid. (wikipedia.org)
  • We discuss overcoming barriers, patient counseling, obesity pathophysiology, motivational interviewing, tools and tips from a weight loss program, and how to discuss medications for weight loss including phentermine/topiramate, bupropion/naltrexone, orlistat, oral superabsorbent hydrogel, and GLP1 agonists. (thecurbsiders.com)
  • The swelling kinetics of the synthesized hydrogels with various particle sizes was also preliminarily investigated. (tubitak.gov.tr)
  • It was to investigate the water uptake properties of series of the novel hydrogels, the semi IPNs and the hybrid/biohybrid composite hydrogel sorbents synthesized in this study. (scirp.org)
  • A novel biopolymer-based composite hydrogel was synthesized through chemical crosslinking by graft copolymerization of partially neutralized acrylic acid onto the carboxymethyl cellulose (CMC). (sharif.edu)
  • Superabsorbent advanced dressings known as Super Absorbent have the size of 10*10. (tajar.ir)
  • Superabsorbent dressing is one of the best dressings to absorb the natural wound exudates, which has considerable absorption rate. (tajar.ir)
  • Superabsorbent dressings consist of three layers, including a hydrophilic layer, a central layer, and a hydrophobic layer. (tajar.ir)
  • Preparation two hydrogel (SA-g-P(Ac-co-AM) hydrogel and the second hydrogel after loading CNT/ZnO onto hydrogel and these new hydrogel surfaces were prepared from two monomers (acryl acid, acrylamide) to remove Chloramphenicol CHZ drug .The physical characterizations of new super adsorbent hydrogel nanocomposite were performed using XRD, FTIR, TGA, EDX and TEM. (ac.ir)
  • The practical experiments involved calculation of the best wavelength and study of best condition of adsorption factors like: effect of equilibrium time, weight of hydrogel nanocomposite, temperature solution, pH solution and adsorbent regeneration experiments (desorption). (ac.ir)
  • The removal percentage of CHZ drug increase from 55.45 to 89.8%, and adsorption capacity decrease from 65.5 to 110 mg g -1 on to hydrogel nanocomposite. (ac.ir)
  • MIT engineers have synthesized a brand new superabsorbent hydrogel infused with lithium chloride that may take up an unprecedented quantity of moisture, even in desert-like situations. (mgngroup.org)
  • This was achieved by introducing the salt "lithium chloride" to the hydrogel. (asiatechobserver.com)
  • Capable of absorbing over ten times its mass in water, lithium chloride is secured by the hydrogel. (asiatechobserver.com)
  • To test the impact of varying concentrations, the research team infused the hydrogel disk with lithium chloride salt solution of different concentrations, weighing it daily to monitor the amount of salt incorporated. (asiatechobserver.com)
  • The purified fly chitin is then converted into a similar polymer known as chitosan, which can in turn be used to produce useful bioplastics such as superabsorbent hydrogels - 3D polymer networks that absorb water. (theiet.org)
  • When the molecules absorb water, they swell and soften and transform into a hydrogel. (growingtreetoys.com)
  • Those thousands of hydrogel particles absorb water within the body and form beads that mix with the food you eat. (primewomen.com)
  • Fabrication of a Responsive Hydrogel Photonic Crystal Sensing Film for Cadmium Ions [J]. Acta Phys. (pku.edu.cn)
  • Highly swollen crosslinked hydrophilic copolymers called "hydrogels" are synthesized by free radical crosslinking copolymerization with some multifunctional crosslinkers with some co-monomers including hydrophilic groups for increasing of their swelling capacity. (scirp.org)
  • Pictured are the hydrogel discs swollen in water. (mgngroup.org)
  • If it can be made quickly, and at large scale, the superabsorbent gel could be used as a passive water harvester, particularly in the desert and drought-prone regions, where the material could continuously absorb vapor, that could then be condensed into drinking water. (mgngroup.org)
  • The hydrogel can store a lot of water, and the salt can capture a lot of vapor. (mgngroup.org)
  • In an environment as parched as the desert, a superabsorbent hydrogel developed by scientists has demonstrated an impressive capacity to draw vast amounts of water from the atmosphere. (asiatechobserver.com)
  • The hydrogel recently developed by the Massachusetts Institute of Technology exhibits a greatly enhanced capacity for absorbing water vapour, even in desert conditions. (asiatechobserver.com)
  • Even in environments with humidity lower than 30%-similar to desert nights-the hydrogel was able to draw 1.79 grams of water per gram of material, a 15% increase over previously tested hydrogels. (asiatechobserver.com)
  • Starch based hydrogels grafted with copolymers from acrylic acid or acrylamide have become very popular for water absorbent application. (untirta.ac.id)
  • The effect of reaction variables on swelling capacity was investigated to achieve a hydrogel with improved water absorbency. (tubitak.gov.tr)
  • In looking for materials that can help to harvest water from the air, the team zeroed in on hydrogels -- slippery, stretchy gels that are mostly made from water and a bit of cross-linked polymer. (sciencedaily.com)
  • Hydrogels have been used for years as absorbent material in diapers because they can swell and soak up a large amount of water when it comes in contact with the material. (sciencedaily.com)
  • So, researchers have attempted to infuse the salt into hydrogel -- producing a material that could both hold in moisture and swell to accommodate more water. (sciencedaily.com)
  • In most studies, researchers had previously synthesized samples by soaking hydrogels in salty water and waiting for the salt to infuse into the gels. (sciencedaily.com)
  • So far, the researchers have produced a hydrogel that can absorb 47 times its weight in water in just one minute. (theiet.org)
  • Water uptake property of hydrogels or "hungry networks" accounts for a great number of biomedical and technological applications. (scirp.org)
  • When a water-miscible non-solvent is added to water, the water-swollen hydrogel often shrinks or collapses. (scirp.org)
  • Moreover, advanced materials like superabsorbent hydrogels , which can capture moisture from humid air for water supply and absorb and hold water up to 150 to 1,500 times their dry weight, could be a promising solution for relieving the elevating water stress in arid regions. (undp.org)
  • Superabsorbent Sodium Polyacrylate Polymeric Hydrogel is a type of polymer that can absorb and hold onto a lot of water or other liquids compared to its weight. (dogtrainingme.com)
  • This structure is what lets the hydrogel absorb and hold onto water molecules, creating a squishy gel-like substance. (dogtrainingme.com)
  • Hydrogel is a network of polymer chains that are water-soluble, sometimes found as a colloidal gel in which water is the dispersion medium. (wordinfo.info)
  • The reaction parameters affecting the water absorbency of the superabsorbent composite were optimized using Taguchi method. (sharif.edu)
  • On the other hand, superabsorbent polymer hydrogels, a fabric of large molecules, can absorb more than 100 times their weight in water. (arabspring-news.com)
  • There, the water content is reabsorbed in the body, and the rest of the hydrogel is eliminated with the rest of your digestive waste. (primewomen.com)
  • Also, other indices such as water use, dry and fresh weights of shoots and roots were measured and the results showed that vermicompost and hydrogel treatments not only resulted in less water consumption, but also improved plant vegetative and generative traits such as shoot fresh weight, flower number and diameter. (ac.ir)
  • Superabsorbent hydrogels made from Cassava starch grafted with poly (potassium acrylate-co-acrylamide) were prepared by using of ϒ-irradiation method. (untirta.ac.id)
  • Novel sorbent hydrogels containing acrylamide/sodium vinylsulfonate, carboxymethyl cellulose and zeolite were synthesized with free radical solution polymerization by using ammonium persulfate/ N , N , N' , N' -tetramethylethyle - nediamine as redox initiating pair in presence of poly(ethylene glycol) diacrylate as crosslinker. (scirp.org)
  • The transparent, rubbery material is made from hydrogel, a naturally absorbent material that is also used in disposable diapers. (mgngroup.org)
  • Sodium polyacrylate-based superabsorbent materials used in disposable diapers and feminine hygiene products have been challenging to recycle through either open- or closed-loop processes. (nature.com)
  • Some uses for hydrogel include: disposable diapers that "capture" urine, or in sanitary towels, and for use with contact lenses (silicone hydrogels, polyacrylamides). (wordinfo.info)
  • After a 30-day immersion period, the researchers found that the hydrogel had absorbed 24 grams of salt per gram. (asiatechobserver.com)
  • The best performing samples to date were hydrogels that were infused with 4 to 6 grams of salt per gram of polymer. (sciencedaily.com)
  • One salient example is the superabsorbent material used in diapers and feminine hygiene products, which contain crosslinked sodium polyacrylates. (nature.com)
  • The effectivity of hydrogel as superabsorbent for aqueous solutions of NaCl and urea was evaluated. (untirta.ac.id)
  • One of the advantages of hydrogels consists in their capability of high swelling and in exhibiting a first-order phase transition (collapse) caused by a small change in external conditions such as temperature, electric field, solvent composition, etc. [14] - [19]. (scirp.org)
  • The swelling behavior of optimum superabsorbent composite was measured in various swelling media. (sharif.edu)
  • The Taguchi method, a robust experimental design, was employed for the optimization of the synthesis based on the swelling capacity of the hydrogels. (sharif.edu)
  • A new, environmental-friendly, and stable absorbent material has been prepared with absorbent properties based on biopolymers that have been successfully applied during the polymerization process with free radicals as a superabsorbent Ag-g-PAA/AC hydrogel. (jmchemsci.com)
  • The researchers found they could infuse the hydrogel with more salt than was possible in previous studies. (mgngroup.org)
  • MIT engineers have synthesized a superabsorbent material that can soak up a record amount of moisture from the air, even in desert-like conditions. (mgngroup.org)
  • Many techniques were used to study the surface properties of the prepared hydrogel, including (FTIR, XRD, and FE-SEM). (jmchemsci.com)
  • Sorbact® Surgical Dressing er en bakterie- og svampebindende kirurgisk bandage med klæbende film. (mediqdanmark.dk)
  • For exudate management, a superabsorbent wound dressing** was used as a secondary association. (lohmann-rauscher.com)
  • Further maceration of the peri wound skin was prevented by the superabsorbent dressing via absorbing high quantities of exudate. (lohmann-rauscher.com)
  • The most important applications of superabsorbent dressing include a wide range of wounds with moderate to high exudates. (tajar.ir)
  • In addition, because the hydrogel is biodegradable, it should gradually release its molecular components as nutrients for crops once it starts breaking down. (theiet.org)
  • While there are other similar sustainable feminine pads on the market today, they either use a hydrogel that is not 100 percent biodegradable or they use thicker layers of natural cotton that are uncomfortable to wear, Barron says. (labmanager.com)
  • It has been reported that hydrogels are so soluble that they cannot be controlled after calcium ion loss [11-14]. (jmchemsci.com)
  • However, the maximum soluble sugars and the minimum malondialdehyde content belonged to Citrobacter + superabsorbent. (notulaebotanicae.ro)
  • FT-IR spectroscopy and Thermo Gravimetric Analysis (TGA) were used for confirming the structure of the final product and morphology of the synthesized superabsorbent composite was examined by SEM. (sharif.edu)
  • Sorbact® absorberende bandage er en blød, bakterie- og svampebindende absorberende bandage. (mediqdanmark.dk)
  • Sorbact® superabsorberende bandage er en bakterie- og svampebindende superabsorberende bandage, som kan håndtere kraftigt væskende sår. (mediqdanmark.dk)
  • A new superabsorbent bandage that can absorb three times more liquid will transform traditional tampons and sanitary napkins. (arabspring-news.com)
  • Hydrogels are three-dimensional networks of hydrophilic polymer chains with properties in between liquids and solids. (scirp.org)
  • Preparation of synthetic polypeptide-polyHIPE hydrogels with stimuli-responsive behavior. (ki.si)
  • In the synthesis of the composite superabsorbent, N,N'-methylene bisacrylamide (MBA) as crosslinker, ammonium persulfate (APS) as initiator, acrylic acid (AA) as monomer, CMC/Celite weight ratio and neutralization percent (NU) were used as. (sharif.edu)
  • By taking advantage of the reversible interaction of analytes with superabsorbent hydrogels, we developed a sample preparation and imaging workflow named Gel-Assisted Mass Spectrometry Imaging (GAMSI) to overcome these limits. (biorxiv.org)
  • Gelesis100, sold under the brand name Plenity, is an oral hydrogel used to treat overweight and obesity. (wikipedia.org)
  • Several factors that affected the adsorption process were studied, including the effect of dye concentration, effect of hydrogel weight, effect of pH, and surface reactivation. (jmchemsci.com)
  • The aim of the present work concerns the feasibility of using activated carbon, through loading with hydrogel, for the removal of crystal violet dye, studying the factors affecting the adsorption process such as the effect of dye concentration, the effect of Ag-g-PAA/AC hydrogel weight, the effect of pH, and the effect of adsorption isotherms. (jmchemsci.com)
  • The removal capacity of hydrogel-based absorbent for crystal violet dye was investigated via usual batch adsorption experiments. (jmchemsci.com)
  • SOCO Hydrogel-Solve the problem of agricultural cultivation in arid areas including South America (Peru, Uruguay, Chile, Mexico, etc. (socopolymer.com)
  • Impact of hydrogel polymer in agricultural sector. (notulaebotanicae.ro)
  • Among the combinations of bio-fertilizer and super-absorbent treatments, the highest photosynthetic pigments' content, grain yield, and oil yield and the lowest catalase enzyme activity belonged to Azospirillum + superabsorbent consumption. (notulaebotanicae.ro)
  • 3D SnO 2 /Graphene Hydrogel Anode Material for Lithium-Ion Battery [J]. Acta Phys. (pku.edu.cn)
  • However, these hydrogels are considered as a set of limited mechanical properties, and this causes an insufficient form of cellular interactions. (jmchemsci.com)
  • To our knowledge, this is the first hydrogel reported to have such tactile and mechanical properties," Raghavan said. (arabspring-news.com)
  • Though beneficial in a variety of environmental situations, the hydrogels must achieve high efficiency, low cost, sustainability, and scalability to be commercially viable. (asiatechobserver.com)
  • Since this hydrogel exhibited a very high absorptivity in saline, it may be referred to as a low salt-sensitive superabsorbent. (tubitak.gov.tr)
  • Closed-loop chemical recycling via depolymerization to monomer is also not currently feasible for these superabsorbent materials because side-chain degradation outcompetes depolymerization. (nature.com)
  • There are generally two materials that absorb liquids: porous materials and hydrogels. (arabspring-news.com)
  • and the superabsorbent at two levels (superabsorbent consumption and control) as a factorial was placed in the sub-plots. (notulaebotanicae.ro)
  • The first factor consisted of vermicompost at three levels (0%, 4%, and 8%) and the second factor was conducted at four levels of superabsorbent (hydrogel) consisted of 0, 250, 500 and 1000 g/m 3 . (ac.ir)
  • Most are really bulky because they don't have a superabsorbent layer. (labmanager.com)
  • Infrared spectroscopy and TGA thermal analysis were carried out to confirm the chemical structure of the hydrogel. (tubitak.gov.tr)