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Showing 25 to 36 of 260 entries
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Non-equilibrium behaviour in coacervate-based protocells under electric-field-induced excitation.

Nature communications

Yin Y, Niu L, Zhu X, Zhao M, Zhang Z, Mann S, Liang D.
PMID: 26876162
Nat Commun. 2016 Feb 15;7:10658. doi: 10.1038/ncomms10658.

Although numerous strategies are now available to generate rudimentary forms of synthetic cell-like entities, minimal progress has been made in the sustained excitation of artificial protocells under non-equilibrium conditions. Here we demonstrate that the electric field energization of coacervate...

Mild to moderate hypersensitivity reactions to beta-lactams in children: a single-centre retrospective review.

BMJ paediatrics open

Vila L, Garcia V, Martinez Azcona O, Pineiro L, Meijide A, Balboa V.
PMID: 31206079
BMJ Paediatr Open. 2019 Apr 29;3(1):e000435. doi: 10.1136/bmjpo-2019-000435. eCollection 2019.

OBJECTIVE: Beta-lactam (BL) antibiotics are the most reported drugs in hypersensitivity reactions in children. More than 90% of these children tolerate the suspected drug after diagnostic work-up. Skin tests (STs) show low sensitivity. Our aim was to assess the...

Seed-Mediated Electroless Deposition of Gold Nanoparticles for Highly Uniform and Efficient SERS Enhancement.

Nanomaterials (Basel, Switzerland)

Tang J, Ou Q, Zhou H, Qi L, Man S.
PMID: 30717277
Nanomaterials (Basel). 2019 Feb 01;9(2). doi: 10.3390/nano9020185.

A seed-mediated electroless deposition (SMED) approach for fabrication of large-area and uniform gold nanoparticle films as efficient and reproducible as surface-enhanced Raman scattering (SERS) substrates was presented. This approach involved a seeding pretreatment procedure and a subsequent growth step....

Effect of Novel Antibacterial Composites on Bacterial Biofilms.

Journal of functional biomaterials

Yaghmoor RB, Xia W, Ashley P, Allan E, Young AM.
PMID: 32752201
J Funct Biomater. 2020 Aug 01;11(3). doi: 10.3390/jfb11030055.

Continuing cariogenic bacterial growth demineralizing dentine beneath a composite filling is the most common cause of tooth restoration failure. Novel composites with antibacterial polylysine (PLS) (0, 4, 6, or 8 wt%) in its filler phase were therefore produced. Remineralising...

Chirality Enhancement of Porphyrin Supramolecular Assembly Driven by a Template Preorganization Effect.

Angewandte Chemie (International ed. in English)

Gaeta M, Raciti D, Randazzo R, Gangemi CMA, Raudino A, D'Urso A, Fragalà ME, Purrello R.
PMID: 29939459
Angew Chem Int Ed Engl. 2018 Aug 13;57(33):10656-10660. doi: 10.1002/anie.201806192. Epub 2018 Jul 15.

Cationic polylysine promotes, under neutral conditions, the spontaneous aggregation of opposite charged ZnTPPS in water. Spectroscopic investigations evidence a different preorganization of ZnTPPS onto the polypeptide matrix depending on the chain length. Spinodal decomposition theory in confined geometry is...

Antibacterial activity and action mechanism of a novel chitosan oligosaccharide derivative against dominant spoilage bacteria isolated from shrimp Penaeus vannamei.

Letters in applied microbiology

Wei XY, Xia W, Zhou T.
PMID: 34758122
Lett Appl Microbiol. 2021 Nov 10; doi: 10.1111/lam.13596. Epub 2021 Nov 10.

With the aim of exploring the potential application of a novel chitosan oligosaccharide derivative (COS-All-Tio) in shrimp preservation, six dominant spoilage bacteria in the spoiled shrimp (Penaeus vannamei) were isolated and identified as Shewanella putrefaciens (RMS1), S. putrefaciens (S2),...

Metabolomic Analysis of Biosynthesis Mechanism of ε-Polylysine Produced by .

Frontiers in bioengineering and biotechnology

Wang Z, Guo F, Dong T, Tan Z, Abdelraof M, Wang Z, Cui J, Jia S.
PMID: 34395404
Front Bioeng Biotechnol. 2021 Jul 30;9:698022. doi: 10.3389/fbioe.2021.698022. eCollection 2021.

ε-Polylysine (ε-PL), a natural preservative with broad-spectrum antimicrobial activity, has been widely used as a green food additive, and it is now mainly produced by

Dual-Stimuli-Responsive Polypeptide Nanoparticles for Photothermal and Photodynamic Therapy.

ACS applied bio materials

Zhang P, Gao Z, Cui J, Hao J.
PMID: 35019399
ACS Appl Bio Mater. 2020 Jan 21;3(1):561-569. doi: 10.1021/acsabm.9b00964. Epub 2019 Dec 13.

We report the assembly of dual-responsive polypeptide nanoparticles loaded with indocyanine green (ICG) using a mesoporous silica (MS) templating method for photothermal and photodynamic therapy. Polypeptide nanoparticles composed of thiol-modified polylysine (PLL) are cross-linked with disulfide bonds and modified...

Electrostatically self-assembled filamentous sodium alginate/ε-polylysine fiber with antibacterial, bioadhesion and biocompatible in suturing wound.

International journal of biological macromolecules

Huang X, Jing H, Du X, Wang L, Kou X, Liu Z, Wu S, Wang H.
PMID: 34968544
Int J Biol Macromol. 2021 Dec 27;200:1-11. doi: 10.1016/j.ijbiomac.2021.12.133. Epub 2021 Dec 27.

In the work, a novel filamentou sodium alginate (SA) /ε-polylysine (PL) fiber with excellent mechanical properties and controllable sizes is prepared in an efficient and environmentally friendly manner via continuous pulling of an electrostatically assembled SA/PL composites at the...

Construction of Antimicrobial Material-Loaded Porous Tricalcium Phosphate Beads for Treatment of Bone Infections.

ACS applied bio materials

He W, Wu Z, Wu Y, Cai Y, Cui Z, Yu B, Hong Y.
PMID: 35006920
ACS Appl Bio Mater. 2021 Aug 16;4(8):6280-6293. doi: 10.1021/acsabm.1c00565. Epub 2021 Jul 19.

Due to low success rates of antibiotic therapy in most osteomyelitis diseases, continuous efforts have been made to fabricate local delivery systems with high antimicrobial effects. Here, we reported a kind of ε-polylysine(PL)/Ag-loaded porous tricalcium phosphate (TCP) bead instead...

Versatile Nanocarrier Based on Functionalized Mesoporous Silica Nanoparticles to Codeliver Osteogenic Gene and Drug for Enhanced Osteodifferentiation.

ACS biomaterials science & engineering

Zhou X, Zhang Q, Chen L, Nie W, Wang W, Wang H, Mo X, He C.
PMID: 33405833
ACS Biomater Sci Eng. 2019 Feb 11;5(2):710-723. doi: 10.1021/acsbiomaterials.8b01110. Epub 2019 Jan 28.

To achieve enhanced stimulatory effects on the osteogenic differentiation of stem cells, the combination of dual factors with synergistic bioactivity has been regarded as the most effective and powerful strategy. In this study, polylysine-modified polyethylenimine (PEI-PLL) copolymers with various...

Application of ε-polylysine in extending the storage period of pork jerky.

Food science & nutrition

Zhang Y, Zhao C, Zhao X, He Y.
PMID: 34136189
Food Sci Nutr. 2021 May 04;9(6):3250-3257. doi: 10.1002/fsn3.2289. eCollection 2021 Jun.

In this experiment, natural nontoxic preservative ε-polylysine (ε-PL) was used as a natural preservative in pork jerky. The pork jerky samples with ε-PL (experimental group) and without ε-PL (blank group) were stored at the 27 and 37℃. Then, the...

Showing 25 to 36 of 260 entries