• biocompatible
  • Zhao says electronics coated in hydrogel may be used not just on the surface of the skin but also inside the body, for example as implanted, biocompatible glucose sensors, or even soft, compliant neural probes. (mit.edu)
  • Delving deeper, Zhao envisions hydrogel to be an ideal, biocompatible vehicle for delivering electronics inside the body. (mit.edu)
  • Hydrogel with AMPS showed uniform conductivity, low electrical impedance, cohesive strength, appropriate skin adhesion, and biocompatible and capable of repeated use and have been used to electrocardiograph (ECG) electrodes, defibrillation electrode, electrosurgical grounding pads, and iontophoretic drug delivery electrodes. (wikipedia.org)
  • biomaterial
  • In comparison to plant cellulose (PC), the bacterial cellulose (BC) has been preferred due to its pure fibrous biomaterial nature, high crystallinity, ultrafine three-dimensional nanostructure network, high water absorption, superior mechanical properties, biocompatibility, and biodegradability. (springer.com)
  • The review concludes with the need for future research with some suggestions for BC-based hydrogels to be commercialized as a smart biomaterial. (springer.com)
  • Hyaluronan (HA)-based hydrogel is one attractive biomaterial candidate because it is involved in natural healing processes, including inflammation, granulation, and reepi-thelialization. (diva-portal.org)
  • BEHAVIOR
  • While the [p(MPBA- co -AAm)] hydrogels behaved as polyacids, swelling monotonically with increasing pH, the [p(MPBA- co -DMP -co -AAm)] hydrogels exhibited polyampholyte behavior, with swelling minima at intermediate pH values. (mdpi.com)
  • researchers
  • Predominantly the cellulose-based hydrogels attracted the attention of researchers due to its renewable, biodegradable biopolymeric nature. (springer.com)
  • The researchers also devised a method to strongly bond the hydrogel to various nonporous surfaces. (mit.edu)
  • In the new study, the researchers applied their techniques to demonstrate several uses for the hydrogel, including encapsulating a titanium wire to form a transparent, stretchable conductor. (mit.edu)
  • The researchers also created pathways for drugs to flow through the hydrogel, by either inserting patterned tubes or drilling tiny holes through the matrix. (mit.edu)
  • Researchers are working on a technique using hydrogel to coat the nanosponges to increase the life of the nanosponge and help them to remain stationary after injection. (wikipedia.org)
  • semiconductor
  • In a new paper published in the journal Advanced Materials, the team reports embedding various electronics within the hydrogel, such as conductive wires, semiconductor chips, LED lights, and temperature sensors. (mit.edu)
  • David S. Ginger, Jr., Alvin L. and Verla R. Kwiram Professor of Chemistry, University of Washington, "pioneered the application of scanning probe and multimodal microscopy to study the optoelectronic properties of thin film semiconductor materials including organic semiconductors, quantum dots, and halide perovskites. (washington.edu)
  • chains
  • While fructose alters swelling by binding and contributing to the ionization of MPBA, glucose does the same, but it also can form crosslinking bridges between separate chains, leading to hydrogel shrinkage. (mdpi.com)
  • interfaces
  • If you want to make an electronic device out of hydrogels, you need to think of long-term stability of the hydrogels and interfaces. (mit.edu)
  • Nevertheless, even the best 3D culture models fail to mimic an organ's cellular properties in many aspects, including tissue-to-tissue interfaces (e.g., epithelium and vascular endothelium), spatiotemporal gradients of chemicals, and the mechanically active microenvironments (e.g. arteries' vasoconstriction and vasodilator responses to temperature differentials). (wikipedia.org)
  • glucose
  • In this paper we provide a comprehensive study of swelling of hydrogels containing methacrylamidophenylboronic acid (MPBA), as a function of pH and concentration of either glucose or fructose. (mdpi.com)
  • Swelling curves are markedly different for fructose and glucose, and for the two sets of hydrogels. (mdpi.com)
  • clinical
  • However, aside from methylprednisolone, none of these developments have reached even limited use in the clinical care of human spinal cord injury in the US. (wikipedia.org)
  • continuous
  • At a critical concentration (the gel point), the polymeric network becomes large enough so that on the macroscopic scale, the solution starts to exhibit gel-like physical properties: an extensive continuous solid network, no steady-state flow, and solid-like rheological properties. (wikipedia.org)
  • water
  • The soft lens care system consisted of a homemade saline solution from distilled water and salt tablets. (clspectrum.com)
  • To get around these challenges, his team came up with a design strategy for robust hydrogels, mixing water with a small amount of selected biopolymers to create soft, stretchy materials with a stiffness of 10 to 100 kilopascals - about the range of human soft tissues. (mit.edu)
  • Today, there are over several thousands patents and publications involving use of AMPS in many areas including water treatment, oil field, construction chemicals, hydrogels for medical applications, personal care products, emulsion coatings, adhesives, and rheology modifiers. (wikipedia.org)
  • Medical hydrogel: High water-absorbing and swelling capacity when AMPS is introduced to a hydrogel are keys to medical applications. (wikipedia.org)
  • either
  • 4. The oral care system of claim 3 , wherein the arcuate stationary cleaning elements are formed from either elastomeric wall segments or tightly packed bristle tufts. (google.ch)
  • An additional property of fluorescence that has found a large usage is Förster resonance energy transfer (Fret) in which the energy of the excited electron of one fluorophore, called the donor, is passed on to a nearby acceptor dye, either a dark-quencher (non-emitting chromophore) or another fluorophore, which has an excitation spectrum that overlaps with the emission spectrum of the donor dye, resulting in a reduced fluorescence. (wikipedia.org)
  • For sensing purposes, this property is, in general, used either in combination with a biomolecule, such as a protein, which undergoes a conformational change upon ligand binding, changing the distance between the two labels on this protein, or in a competition assay, in which the analyte has to compete with a known concentration of a fixed labelled ligand for the labelled binding site of protein. (wikipedia.org)
  • present
  • Fluorescence is a property present in certain molecules, called fluorophores, in which they emit a photon shortly after absorbing one with a higher energy wavelength. (wikipedia.org)
  • mechanism
  • On the whole, the review after introducing BC production and its properties discusses the synthesis of BC-based smart hydrogels with various composite materials, formation mechanism, and improved characters. (springer.com)
  • fluids
  • In cellular biology convergence, this rare property in fluids has been leveraged to better study complex cell behaviors, such as cell motility in response to chemotactic stimuli, stem cell differentiation, axon guidance, subcellular propagation of biochemical signaling and embryonic development. (wikipedia.org)
  • skin care
  • Personal care: Strong polar and hydrophilic properties introduced to a high molecular weight AMPS homopolymer are exploited as a very efficient lubricant characteristic for skin care. (wikipedia.org)
  • Many skin care companies recommend using a treatment program which may combine these ingredients. (wikipedia.org)
  • health
  • Overall, chronic venous disease has been estimated to account for 1% to 3% of total health care budgets in countries with developed health care systems. (ahrq.gov)
  • various
  • Finally, the group embedded various electronic components within a sheet of hydrogel to create a "smart wound dressing," comprising regularly spaced temperature sensors and tiny drug reservoirs. (mit.edu)
  • molecular weight
  • Preservatives used in the initial chemical care systems often caused ocular irritation and red eyes, because of the degradation of the preservative thimerosal, as well as the uptake and release of the small molecular weight preservative Chlorhexidine from the lens. (clspectrum.com)
  • drug
  • The unique capability here is, when a sensor senses something different, like an abnormal increase in temperature, the device can on demand release drugs to that specific location and select a specific drug from one of the reservoirs, which can diffuse in the hydrogel matrix for sustained release over time. (mit.edu)
  • substance
  • 2. The oral care system of claim 1 , wherein the predetermined breaking frequency is selected to further cause the vibratory cavitation cleaning element to interact with the oral care substance and fluid in the oral care region to produce an imploding bubble matrix that loosens foreign matter from a user's teeth. (google.ch)
  • matrix
  • 3. The oral care system of claim 2 , wherein the vibratory cavitation cleaning, element is disposed in the center of and spaced inward from arcuate stationary cleaning elements forming an interior space, the arcuate stationary cleaning elements defining a nozzle that produces a flow of a bubble matrix containing the active agent outwards from the nozzle. (google.ch)
  • 5. The oral care system of claim 3 , wherein the arcuate stationary cleaning elements have gaps formed therebetween to provide lateral three-dimensional flow of the bubble matrix outwards from the nozzle to other portions of the oral care region. (google.ch)
  • The key to the design is a hydrogel matrix designed by Xuanhe Zhao, the Robert N. Noyce Career Development Associate Professor in MIT's Department of Mechanical Engineering. (mit.edu)
  • topical
  • Therefore, having an understanding of wound healing as well as a comprehensive knowledge of common topical wound care therapies is of great importance. (podiatrytoday.com)
  • Accordingly, let us review the wound healing phases, key factors that affect wound healing and lastly common topical wound care therapies clinicians may use in the treatment of DFUs. (podiatrytoday.com)
  • solution
  • 8. The oral care system of claim 1 , wherein the active agent is contained in a vehicle disposed in the capsule that is selected from the group consisting of an aqueous solution, a gel, or a paste. (google.ch)
  • Hydrogel is formed immediately after simple addition of silver (Ag+) ions to the solution of HA containing BP groups (HA-BP). (diva-portal.org)
  • Clear Care Plus Cleaning & Disinfecting Solution (32 oz. (bizrate.com)
  • field
  • Galen of Pergamum, a Greek surgeon who served Roman gladiators circa 120-201 A.D., made many contributions to the field of wound care. (wikipedia.org)
  • help
  • Nine tips to help you care for your cat and provide him/her with a longer, healthier life. (drsfostersmith.com)
  • The hydrogel will help immensely in the longevity of the nanosponge, and will allow it to show its full potential in a serious situations. (wikipedia.org)
  • area
  • One or more cavitation cleaning elements may be located in the head area of the oral care implement. (google.ch)
  • include
  • The oral care implement may include an elastomeric cavitation cleaning element. (google.ch)
  • Indications for using a catheter include providing relief when there is urinary retention, monitoring urine output for critically ill persons, managing urination during surgery, and providing end-of-life care. (wikipedia.org)
  • oral
  • An oral care implement generates cavitation within the oral cavity. (google.ch)
  • The oral care implement. (google.ch)
  • 6. The oral care 1 , stem of claim 1 , wherein the rupturable capsule is formed of a material selected from the group consisting of gelative, lactose, and zeolite. (google.ch)
  • 9. The oral care system of claim 1 wherein the vibratory cavitation cleaning element is at least partially surrounded by the stationary tooth cleaning elements. (google.ch)
  • 10. The oral care system of claim 1 further comprising a plurality of the rupturable capsules. (google.ch)
  • approach
  • An alternative approach is to use solvatochromic dyes, which change their properties (intensity, half-life, and excitation, and emission spectra), depending on the polarity and charge of their environments. (wikipedia.org)