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Showing 1 to 12 of 1284 entries
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Silicon-based glucose oxidase working electrode for glucose sensing

Louis Stokes Alliances for Minority Participation AND Program Evaluation

[No authors listed]
GSID: 9Qg_d-aYLZQJ
J Soto, T Hughes, YS Li - ACS omega, 2019 - ACS Publications

We created a glucose oxidase (GOx) working electrode on a silicon-on-insulator (SOI) wafer for glucose sensing. The SOI wafer was electrically connected to a copper wire, and the GOx was immobilized onto the hydrophilized SOI surface via silanization with...

Immobilization of penicillin G acylase using permeabilized Escherichia coli whole cells within chitosan beads.

Research in pharmaceutical sciences

Bagherinejad MR, Korbekandi H, Tavakoli N, Abedi D.
PMID: 23181084
Res Pharm Sci. 2012 Apr;7(2):79-85.

Entrapment of permeabilized whole cells within a matrix is a common method for immobilization. Chitosan possesses distinct chemical and biological properties, which make it a suitable matrix for entrapment and immobilization of penicillin G acylase (PGA). In the first...

A method for preparing spaceflight RNAlater-fixed Arabidopsis thaliana (Brassicaceae) tissue for scanning electron microscopy.

Applications in plant sciences

Schultz ER, Kelley KL, Paul AL, Ferl RJ.
PMID: 25202579
Appl Plant Sci. 2013 Jul 29;1(8). doi: 10.3732/apps.1300034. eCollection 2013 Aug.

PREMISE OF THE STUDY: In spaceflight experiments, tissues for morphologic study are fixed in 3% glutaraldehyde, while tissues for molecular study are fixed in RNAlater; thus, an experiment containing both study components requires multiple fixation strategies. The possibility of...

A novel pH-induced thermosensitive hydrogel composed of carboxymethyl chitosan and poloxamer cross-linked by glutaraldehyde for ophthalmic drug delivery.

Carbohydrate polymers

Yu S, Zhang X, Tan G, Tian L, Liu D, Liu Y, Yang X, Pan W.
PMID: 27702506
Carbohydr Polym. 2017 Jan 02;155:208-217. doi: 10.1016/j.carbpol.2016.08.073. Epub 2016 Aug 25.

In this work, a stimuli-responsive three dimensional cross-linked hydrogel system containing carboxymethyl chitosan (CMC) and poloxamer composed of a poly (ethylene oxide)/poly (propylene oxide)/poly (ethylene oxide) (PEO-PPO-PEO) block copolymer was constructed, and its aqueous solution was found to undergo...

Bovine serum albumin nanoparticles as controlled release carrier for local drug delivery to the inner ear.

Nanoscale research letters

Yu Z, Yu M, Zhang Z, Hong G, Xiong Q.
PMID: 25114637
Nanoscale Res Lett. 2014 Jul 09;9(1):343. doi: 10.1186/1556-276X-9-343. eCollection 2014.

Nanoparticles have attracted increasing attention for local drug delivery to the inner ear recently. Bovine serum albumin (BSA) nanoparticles were prepared by desolvation method followed by glutaraldehyde fixation or heat denaturation. The nanoparticles were spherical in shape with an...

Control of Microbial Sulfide Production with Biocides and Nitrate in Oil Reservoir Simulating Bioreactors.

Frontiers in microbiology

Xue Y, Voordouw G.
PMID: 26696994
Front Microbiol. 2015 Dec 08;6:1387. doi: 10.3389/fmicb.2015.01387. eCollection 2015.

Oil reservoir souring by the microbial reduction of sulfate to sulfide is unwanted, because it enhances corrosion of metal infrastructure used for oil production and processing. Reservoir souring can be prevented or remediated by the injection of nitrate or...

Cell Fixation by Light-Triggered Release of Glutaraldehyde.

Angewandte Chemie (International ed. in English)

Schelkle KM, Schmid C, Yserentant K, Bender M, Wacker I, Petzoldt M, Hamburger M, Herten DP, Wombacher R, Schröder RR, Bunz UH.
PMID: 28328078
Angew Chem Int Ed Engl. 2017 Apr 18;56(17):4724-4728. doi: 10.1002/anie.201612112. Epub 2017 Mar 22.

Chemical fixation of living cells for microscopy is commonly achieved by crosslinking of intracellular proteins with dialdehydes prior to examination. We herein report a photocleavable protecting group for glutaraldehyde that results in a light-triggered and membrane-permeable fixative, which is...

Biodegradation study of enzymatically catalyzed interpenetrating polymer network: Evaluation of agrochemical release and impact on soil fertility.

Biotechnology reports (Amsterdam, Netherlands)

Saruchi, Kaith BS, Kumar V, Jindal R.
PMID: 28352595
Biotechnol Rep (Amst). 2015 Dec 19;9:74-81. doi: 10.1016/j.btre.2015.12.004. eCollection 2016 Mar.

A novel interpenetrating polymer network (IPN) has been synthesized through enzymatic initiation using lipase as initiator, glutaraldehyde as cross-linker, acrylic acid as primary monomer and acrylamide as secondary monomer. Biodegradability of synthesized interpenetrating polymer network was studied through soil...

Removal of Pb2+, Hg2+, and Cu2+ by Chain-Like Fe3O4@SiO2@Chitosan Magnetic Nanoparticles.

Journal of nanoscience and nanotechnology

Shi H, Yang J, Zhu L, Yang Y, Yuan H, Yang Y, Liu X.
PMID: 27433691
J Nanosci Nanotechnol. 2016 Feb;16(2):1871-82. doi: 10.1166/jnn.2016.10712.

In this paper, the chain-like core-shell structure Fe3O4@SiO2@Chitosan composite nanoparticles were synthesized by a two-step coating and following crosslinking glutaraldehyde on chitosan shell. The composite particles showed nearly monodisperse 105 sized particles with a core diameter of 80 nm...

Light dependence of sexual agglutinability in Chlamydomonas eugametos.

Planta

Kooijman R, Elzenga TJ, de Wildt P, Musgrave A, Schuring F, van den Ende H.
PMID: 24232649
Planta. 1986 Nov;169(3):370-8. doi: 10.1007/BF00392133.

The mating activity of mating-type plus gametes of Chlamydomonas eugametos depends on light. Cells lost their ability to agglutinate with mating-type minus gametes after a dark period of 30 min. They regained their agglutinability after 10 min exposure to...

Influence of urea and organic solvents on the activity of immobilizedmyo-inositol-1-phosphate synthase containing active, self-regenerating coenzyme (NAD(+)) on the same matrix.

Applied biochemistry and biotechnology

Pittner F.
PMID: 24233806
Appl Biochem Biotechnol. 1981 Jun;6(2):153-66. doi: 10.1007/BF02779247.

myo-Inositol-1-phosphate synthase (EC 5.5.1.4.) from rat testes, an NAD(+)-containing enzyme that convertsD-glucose 6-phosphate to 1L-myo-inositol-1-phosphate was immobilized together with its cofactor and bovine serum albumin by crosslinking with glutaraldehyde at pH 4.5. The cofactor is reduced and reoxidized during...

An ultrastructural search for lectin-binding sites on surfaces of spinach leaf organelles.

Planta

Frederick SE, Nies B, Gruber PJ.
PMID: 24302382
Planta. 1981 Jun;152(2):145-52. doi: 10.1007/BF00391186.

Organelles isolated from leaves of spinach (Spinacia oleracea L.) were prefixed in glutaraldehyde and then incubated with ferritin conjugates of four lectins - Concanavalin A (Con A), Ricinus communis L. agglutinin, MW 120,000 (RCA), soybean agglutinin (SBA), and wheat...

Showing 1 to 12 of 1284 entries