Chitosan News and Research

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Chitosan is a naturally occuring polymer isolated from crab and shrimp shells. Chitosan has shown promise as a carrier of anticancer drugs, antitumor genes, and other novel therapeutics.

From laboratory to clinic - Nanotechnology-enabled mRNA COVID-19 vaccines

In a recently published article in the journal Nano-Micro Letters, scientists have provided an in-depth review on the application and benefits of nanotechnology in the development of coronavirus disease 2019 (COVID-19) vaccines.

7 Jan 2022

Developing cutting-edge coating based on bioactive materials for better implants

Bioactive coatings play a vital role in the success of implants such as those for knees or hips, because their properties induce a biological response that is good for the health.

22 Dec 2021

Engineering of brain-mimetic injectable hydrogel scaffolds with self-healing properties

A team of scientists bioengineered a physiologically relevant, brain mimetic 3D scaffold for culturing neuronal cells.

15 Dec 2021

A mucoadhesive polymer with anti-SARS-COV-2 activity in vitro and in vivo

The team has evaluated a low molecular weight chitosan derivative as a candidate preventing the viral entry into mammalian nasal epithelial cells to limit the spread of COVID-19.

12 Oct 2021

Super-resolution imaging and size analysis of SARS-CoV-2 virus particles

Researchers from the University of Oxford and the University of Warwick have collaborated to develop a method to better understand and evaluate these pleiomorphisms.

28 Sep 2021

New biocompatible glue could quickly seal injured tissues and stop bleeding

Inspired by the sticky substance that barnacles use to cling to rocks, MIT engineers have designed a strong, biocompatible glue that can seal injured tissues and stop bleeding.

9 Aug 2021

Could microalgae-derived antiviral compounds combat SARS-CoV-2 and other viruses?

A new review article published in the journal Antibiotics reports the presence of a large number of bioactive compounds in microalgae that target chemical structures present only in their structure.

28 Jun 2021

Bioactive packaging can keep strawberries fresh for up to 12 days

Québec produces more strawberries than any other Canadian province. Strawberries are delicate and difficult to keep fresh. In response to this challenge, Monique Lacroix, a professor at at the Institut national de la recherche scientifique, and her team have developed a packaging film that can keep strawberries fresh for up to 12 days.

16 Jun 2021

How can nanomaterials help in the fight against COVID-19?

Researchers have reviewed different types of nanomaterials and how they can be used for the detection, prevention, and treatment of coronavirus disease 2019 (COVID-19).

3 Jun 2021

Complementary medicines for weight loss cannot be justified based on current evidence, review suggests

The first global review of complementary medicines (herbal and dietary supplements) for weight loss in 16 years--combining 121 randomized placebo-controlled trials including nearly 10,000 adults--suggests that their use cannot be justified based on the current evidence.

8 May 2021

Applications of nanoparticles in combating COVID-19

Researchers review the various properties and use of nanoparticles in targeting SARS-CoV-2 and how they could be used to develop new therapeutics and diagnostics for SARS-CoV-2.

30 Apr 2021

Fixing traumatic injuries to the skin and bones using bioprinting during surgery

Fixing traumatic injuries to the skin and bones of the face and skull is difficult because of the many layers of different types of tissues involved, but now, researchers have repaired such defects in a rat model using bioprinting during surgery, and their work may lead to faster and better methods of healing skin and bones.

26 Apr 2021

Researchers explore nanotechnology’s potential to deliver synergistic therapeutics for COVID-19

A team of scientists reviewed the nanoencapsulation approaches of synergistic compounds (Lectins, Caffeine, Cocoa, Flavonoids, Quercetin) and the role of nanotechnology in addressing the COVID-19 pandemic.

19 Mar 2021

SARS-CoV-2 DNA vaccine tested in animal model

A team of experts has tested the immune responses elicited by mucosal homologous plasmid and a heterologous immunization strategy using a plasmid vaccine and a Modified Vaccinia Ankara (MVA) expressing SARS-CoV-2 spike (S) and nucleocapsid (N) antigens.

21 Feb 2021

Insulin nanoparticles may become an alternative to insulin injections for diabetic patients

Scientists at Nanyang Technological University, Singapore (NTU Singapore) have developed insulin nanoparticles that may one day become the basis for an oral medicine, and an alternative to insulin injections for diabetic patients.

12 Jan 2021

Artificial olfactory system mimics the mammalian nose to assess meat freshness

A team of scientists led by Nanyang Technological University, Singapore has invented an artificial olfactory system that mimics the mammalian nose to assess the freshness of meat accurately.

10 Nov 2020

Suramin shows promise as COVID-19 treatment

A new study published on the preprint server bioRxiv reports the elucidation of the mechanism of inhibition of SARS-CoV-2 by a non-nucleotide inhibitor called suramin. This is the first such compound to be shown to have such activity and shows promise for use as a repurposed drug against COVID-19.

12 Oct 2020

Researchers use silk nanofibers to enhance 3D cell printing

How do you test, in early-stage research, whether a potential pharmaceutical effectively targets a human tumor, organ, or some other part of the body? How do you grow a new hand or some other body part?

8 Oct 2020

Synthetic peptide can make multidrug-resistant bacteria sensitive to antibiotics

Scientists at Nanyang Technological University, Singapore (NTU Singapore) have developed a synthetic peptide that can make multidrug-resistant bacteria sensitive to antibiotics again when used together with traditional antibiotics, offering hope for the prospect of a combination treatment strategy to tackle certain antibiotic-tolerant infections.

6 Aug 2020

Edible coating made with green tea extract kills norovirus, bacteria

Infusing prepared foods with an edible coating that contains green tea extract may lower consumers' chances of catching the highly contagious norovirus by eating contaminated food, new research suggests.

21 Jul 2020