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Forsíða

Forsíða

Martha Ásdís Hjálmarsdóttir - Professor Emerita

Martha Ásdís Hjálmarsdóttir

–

Martha Ásdís Hjálmarsdóttir

Professor Emerita

Professor, Head of Department of Biomedical Science

Location
Stapi
Phone
525 - 4898
Email
hjalmars [at] hi.is

Unit
Faculty of Medicine

Published works

2023

Water-soluble chitotriazolans derived from cationic, neutral, and anionic common chitosan derivatives: Synthesis, characterization, and antibacterial activityEuropean Polymer Journal

2021

Chitotriazolan (poly(β(1-4)-2-(1H-1,2,3-triazol-1-yl)-2-deoxy-d-glucose)) derivatives: Synthesis, characterization, and evaluation of antibacterial activityCarbohydrate Polymers

2020

Reduction of antimicrobial resistant pneumococci seven years after introduction of pneumococcal vaccine in IcelandPLOS ONE

2019

The Effect of Molecular Weight on the Antibacterial Activity of N,N,N-Trimethyl Chitosan (TMC).International journal of molecular sciences
The Effect of the 10-Valent Pneumococcal Nontypeable Haemophilus influenzae Protein D Conjugate Vaccine on H. influenzae in Healthy Carriers and Middle Ear Infections in Iceland.Journal of clinical microbiology
Vaccination of Icelandic Children with the 10-Valent Pneumococcal Vaccine Leads to a Significant Herd Effect among Adults in Iceland.Journal of clinical microbiology

2018

Effect of Vaccination on Pneumococci Isolated from the Nasopharynx of Healthy Children and the Middle Ear of Children with Otitis Media in Iceland.Journal of clinical microbiology

2017

Comparison of Serotype Prevalence of Pneumococci Isolated from Middle Ear, Lower Respiratory Tract and Invasive Disease Prior to Vaccination in IcelandPLOS ONE

2016

Cocolonization of Pneumococcal Serotypes in Healthy Children Attending Day Care Centers: Molecular Versus Conventional Methods.The Pediatric infectious disease journal
Topical Formulation Comprising Fatty Acid Extract from Cod Liver Oil: Development, Evaluation and Stability Studies.Marine drugs

2015

Prevalence of pilus genes in pneumococci isolated from healthy preschool children in Iceland: association with vaccine serotypes and antibiotic resistance.The Journal of antimicrobial chemotherapy
Impact of chain length on antibacterial activity and hemocompatibility of quaternary N-alkyl and n,n-dialkyl chitosan derivatives.Biomacromolecules
Synthesis of guanidinylated chitosan with the aid of multiple protecting groups and investigation of antibacterial activity.Carbohydrate polymers
Antimicrobial peptide shows enhanced activity and reduced toxicity upon grafting to chitosan polymers.Chemical communications (Cambridge, England)

2014

The effect of substituent, degree of acetylation and positioning of the cationic charge on the antibacterial activity of quaternary chitosan derivatives.Marine drugs

2013

Cationic quaternized aminocalix[4]arenes: cytotoxicity, haemolytic and antibacterial activities.International journal of pharmaceutics
Epidemiology of penicillin-non-susceptible pneumococci in Iceland, 1995-2010.The Journal of antimicrobial chemotherapy

2008

Antimicrobial activity of piperazine derivatives of chitosanCarbohydrate polymers.

2003

Soft antimicrobial agents: synthesis and activity of labile environmentally friendly long chain quaternary ammonium compounds.Journal of medicinal chemistry

1997

In vitro susceptibility of Helicobacter pylori to protolichesterinic acid from the lichen Cetraria islandica.Antimicrobial agents and chemotherapy

1992

Increasing penicillin resistance in pneumococci in Iceland.Lancet (London, England)

1985

Campylobacter ssp. infections in Iceland during a 24-month period in 1980-1982. Clinical and epidemiological characteristics.Scandinavian journal of infectious diseases

Keywords for Specialisation:

Microbial resistance

Activity testings of antimicrobials and possible substrates - methodology