SKU: 93617740291

Reactive oxygen responsive hydrogel

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Description

Reactive oxygen responsive hydrogelProduct Name Name: Reactive oxygen responsive hydrogel Product Overview Reactive oxygen species (ROS) responsive hydrogel is a kind of innovative intelligent hydrogel, which is crosslinked by the ROS response module through covalent interaction, coordination interaction or supramolecular interaction. Due to the introduction of ROS response module, this kind of hydrogel is sensitive to the oxidative stress microenvironment in the organism. PVA TSPBA

Product Name

Name: Reactive oxygen responsive hydrogel

Product Overview

Reactive oxygen species (ROS) responsive hydrogel is a kind of innovative intelligent hydrogel, which is crosslinked by the ROS response module through covalent interaction, coordination interaction or supramolecular interaction. Due to the introduction of ROS response module, this kind of hydrogel is sensitive to the oxidative stress microenvironment in the organism. PVA-TSPBA hydrogel is a hydrogel formed by crosslinking polymerization of polyvinyl alcohol (PVA) and reactive oxygen sensitive crosslinking agent N1- (4-benzyl borate) - N3- (4-phenyl borate) N1, N1, N3, N3-tetramethyl-1,3-propanediamine (TSPBA). The hydrogel is composed of boric acid precursor (TSPBA) and PVA aqueous solution. The boric acid bond on TSPBA and the hydroxyl group on PVA quickly cross link to form borate ester bond to form hydrogel.

Technical Parameter

Solvent:Water

Diameter:White or colorless gel

Note: The concentration and volume ratio of PVA and TSPBA can be adjusted to meet different needs.

Product Features

1) High water absorption: the combination of PVA's water solubility and TSPBA's crosslinkability enables PVA-TSPBA hydrogel to maintain moisture and maintain its softness and elasticity.

2) Biocompatibility: PVA, as a high molecular material with good biocompatibility, makes PVA-TSPBA hydrogel have low biological toxicity and immune reaction when applied in vivo.

3) Controllability: By adjusting the ratio and polymerization conditions of PVA and TSPBA, the mechanical properties and water absorption of PVA-TSPBA hydrogel can be adjusted to meet different application needs.

4) Reactive oxygen sensitive degradation characteristics: in the environment of high concentration of active oxygen, the borate ester bond is oxidized and broken, and the hydrogel gradually decomposes to achieve the goal of drug controlled release.

Application Fields

1) Drug controlled release: Utilizing its molecular recognition and response capabilities to capture and release specific drugs, thereby improving drug targeting and therapeutic efficacy.

2) Biosensors: Biosensors that are sensitive to specific biomolecules can be constructed by introducing specific recognition elements into hydrogels.

3) Tissue engineering: As a cell culture matrix or tissue repair material, it provides a suitable microenvironment for the growth and differentiation of cells.

4) Wound dressing: By combining other antibacterial, antioxidant and other ingredients, excellent performance wound dressings can be developed to promote wound healing and prevent infection.

Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

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SKU: 93617740291

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Sherry
Grantham, US
★★★★★ 5
Good shelves for the price can be challenging to install correctly
Size: 16 Inch, Color: White, Size: 16 Inch, Color: White
Good quality shelves for the price. Happy with the purchase. They give you assorted hardware to mount each shelf. Wall anchors for masonry or brick and anchors for drywall as well as screws to affix shelf to the wall bracket. The installation was fairly easy but it can be a bit difficult to get the bracket leveled on the wall. The “level” they give you is useless, it is only the tube - not in a housing, so 1 1/2” long. You will need a better level. Basically you place the bracket where you want the shelf to go then make sure it is level and take a pencil to mark the holes. We ended up using a heavier quality wall anchor so only needed 2 anchors instead of the four they send you. Once the bracket is on, slide the shelf onto the bars coming from the bracket and use the 2 set screws to secure it in place. Check for level and if it isn’t you can remove shelf and loosen bracket screws and wiggle the bracket while still attached while retightening screws. We had to re-level one of our shelves this way. Hope this helps and that it makes sense. As for weight capacity I wouldn’t want to put more than a couple of pounds on a shelf. As it is secure, it is hollow inside and too much weight would probably either cause the shelf to sag or damage your wall
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Reviewed in the United States on February 25, 2025
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Emy R.
Omaha, US
★★★★★ 5
Excellent product with height recommendation
Size: 24 Inch, Color: White, Size: 24 Inch, Color: White
My bathroom renovation is turning out great. These shelves are beautifully stable and show no visible assembly. The idea of ​​these floating shelves is brilliant.
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Reviewed in the United States on February 19, 2026
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Lisa Espinosa
Draper, US
★★★★★ 5
Beautiful and sturdy
Size: 24 Inch, Color: White
Excellent quality shelves. All hardware came with them and also the stickers to cover the screws. I also placed a plant on one of the shelves and it’s not leaning and again very nice and secure.
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Reviewed in the United States on May 13, 2026
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Lo
New York, US
★★★★★ 5
Great shelves
Size: 24 Inch, Color: White
Easy to assemble and comes with everything you need for drywall or wood. Nice color and texture and comes with stickers to hide the holes underneath. I bought two sets of three. These are very long, so I recommend just using two at a time.
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JAXPETY Room Divider Panel 6Ft Privacy Screen Wall Divider 88" W x 73" H - 3 Panel Black
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I was looking for a screen to use while making video calls. I am on a budget, wanted something easy to put together, and would hide my apt in the background. Being on a budget, I thought my purchase qualified for the coupon. I was mistaken but contacted the seller. I received a quick response explaining how the coupon was applied. I was happy with the quick response and explanation which I verified when I went back to the page. The once all put together the screens are light weight and fairly easy to move. they do not seem to be made for easy daily breakdown. However, if you should need to take them apart to move or something, easy to break down. Depending on lighting will depend on if you find them transparent. I don't mind possible vague outlines; I was looking so no real details of my belongings in the background could be seen (shelves; figurines; etc.) My apt living room has no overhead light source, so floor lamps give light. In the 3 photos of 2 of the screens put together; the first is with a lamp in front and back of the screen as well as a tv on. The next has the tv off lamps still on and the screen reflecting the pc monitors. The third is with both lamps and the tv off, monitors on but not as reflective. In the box, you have all the parts you need as well as a small tool and an instruction manual. Item 'bags' are number [though they may come off in the box] to assist with assembly. Now assembly can be easy or hard depending on your abilities and the area you are working in. I have bad knees, so kneeling was not an option for me. My first attempt to put this together, I put the 'feet bases' on while still connecting the top bar. It made it twice as hard, and I stretched the fabric more than was necessary causing wholes around some of the stitching and stretching them a little. As well as causing some stitching to come undone on one of the pictured areas. Once I took off the 'feet bases', I had an easier time to screwing in the top bars. You will still need some hand strength, which I don't have much of, but it is possible. I use the grip things to open pickles jars. Once the screens were assembled, I followed the instructions of tying an outer screen to the inner screen and using the Velcro 'privacy flaps' to complete the connection. I have what I think is low shag carpeting which they were able to stand stably on once I wiggled them into standing straight up and in place. Given these post pandemic times, I am overall happy with both the divider and the price. The 2 things I do not like about the divider is the difficulty putting in the top bar [after connecting the top and sides] and storability when not in use issue I am having. Others with larger space will likely not have the last issue.
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