Active microparticle manipulation: Recent advances

K Cheng, J Guo, Y Fu, J Guo - Sensors and Actuators A: Physical, 2021 - Elsevier
Microparticle manipulation is mainly needed in several applications like bioanalysis,
disease diagnosis, self-cleaning surfaces, as well as drug delivery. The movement of …

The F-pilus biomechanical adaptability accelerates conjugative dissemination of antimicrobial resistance and biofilm formation

JB Patkowski, T Dahlberg, H Amin, DK Gahlot… - Nature …, 2023 - nature.com
Conjugation is used by bacteria to propagate antimicrobial resistance (AMR) in the
environment. Central to this process are widespread conjugative F-pili that establish the …

Hypervirulent R20291 Clostridioides difficile spores show disinfection resilience to sodium hypochlorite despite structural changes

D Malyshev, IA Jones, M McKracken, R Öberg… - BMC microbiology, 2023 - Springer
Background Clostridioides difficile is a spore forming bacterial species and the major
causative agent of nosocomial gastrointestinal infections. C. difficile spores are highly …

Mode of action of disinfection chemicals on the bacterial spore structure and their Raman spectra

D Malyshev, T Dahlberg, K Wiklund… - Analytical …, 2021 - ACS Publications
Contamination of toxic spore-forming bacteria is problematic since spores can survive a
plethora of disinfection chemicals and it is hard to rapidly detect if the disinfection chemical …

[HTML][HTML] Laser induced degradation of bacterial spores during micro-Raman spectroscopy

D Malyshev, R Öberg, T Dahlberg, K Wiklund… - … Acta Part A: Molecular …, 2022 - Elsevier
Micro-Raman spectroscopy combined with optical tweezers is a powerful method to analyze
how the biochemical composition and molecular structures of individual biological objects …

Cell death in cells overlying lateral root primordia facilitates organ growth in Arabidopsis

S Escamez, D André, B Sztojka, B Bollhöner, H Hall… - Current Biology, 2020 - cell.com
Plant organ growth is widely accepted to be determined by cell division and cell expansion,
but, unlike that in animals, the contribution of cell elimination has rarely been recognized …

A lab-on-a-chip utilizing microwaves for bacterial spore disruption and detection

S Valijam, DPG Nilsson, R Öberg… - Biosensors and …, 2023 - Elsevier
Bacterial spores are problematic in agriculture, the food industry, and healthcare, with the
fallout costs from spore-related contamination being very high. Spores are difficult to detect …

pH-induced changes in Raman, UV–vis absorbance, and fluorescence spectra of dipicolinic acid (DPA)

D Malyshev, R Öberg, L Landström… - … Acta Part A: Molecular …, 2022 - Elsevier
Dipicolinic acid (DPA) is an essential component for the protection of DNA in bacterial
endospores and is often used as a biomarker for spore detection. Depending upon the pH of …

The role of endospore appendages in spore–spore interactions in the pathogenic Bacillus cereus group

UL Jonsmoen, D Malyshev, M Sleutel… - Environmental …, 2024 - Wiley Online Library
Species within the Bacillus cereus sensu lato group, known for their spore‐forming ability,
are recognized for their significant role in food spoilage and food poisoning. The spores of B …

Monitoring bacterial spore metabolic activity using heavy water-induced Raman peak evolution

R Öberg, T Dahlberg, D Malyshev, M Andersson - Analyst, 2023 - pubs.rsc.org
Endospore-forming bacteria are associated with food spoilage, food poisoning, and infection
in hospitals. Therefore, methods to monitor spore metabolic activity and verify sterilization …