- UHRA Home
- Browsing by Author
Browsing by Author "Johnston, Ian"
Now showing items 1-20 of 67
-
2x Personal Electrostatic Biocollector Prototype(s) (STRATA) - (D05) : Worn bio-detector Phase 1
Johnston, Ian; Tracey, Mark; School of Engineering and Technology; Enterprise and Business Development; Micro Electro-Mechanical Systems; Centre for Engineering Research; Centre for Hazard Detection and Protection Research; Microfluidics and Microengineering; Department of Engineering and Technology; McCluskey, Daniel; Munro, Ian; Coudron, Loic (UH MEMS, 2017-05-04)The design and development of two man worn Electrostatic Precipitator (ESP) aerosol collection platform prototypes. These prototypes should interface with a, co-developed, laboratory particle recovery instrument exploiting ... -
2x Prototype ASEF Systems - (D10) : Automated Sample Extraction from Filters
Johnston, Ian; Tracey, Mark; Lodge, Matthew; Kaye, Richard; Baxter, Richard; School of Engineering and Technology; Science & Technology Research Institute; Centre for Engineering Research; Centre for Hazard Detection and Protection Research; Microfluidics and Microengineering; Department of Engineering and Technology; Munro, Ian; McCluskey, Daniel (UH MEMS, 2015-03-11)The Automated Sample Extraction from Filters (ASEF) unit is a prototype automated aerosol sample extraction unit. The application is for the detection and identification of pathogenic micro-organisms (bacteria and viruses) ... -
Agreed Design Specification - (D05) : Automated Sample Extraction from Filters
McCluskey, Daniel; Johnston, Ian; Tracey, Mark; Munro, Ian; Kaye, Richard; Baxter, Richard; Lodge, Matthew (RED Scientific, 2014-11-18) -
Agreed Interface Control Documentation - (D02) : Automated Sample Extraction from Filters
McCluskey, Daniel; Munro, Ian; Johnston, Ian; Tracey, Mark (RED Scientific, 2014-01-13) -
Agreed Interface Control Documentation -(D04) : Automated Sample Processing Unit for Incorporation into a Biological Identification System
Johnston, Ian; Tracey, Mark; McCluskey, Daniel; Tan, Christabel; Munro, Ian (UH MEMS, 2015-09-30) -
Agreed Requirement Functional Specification - (D01) : Automated Sample Processing Unit for Incorporation into a Biological Identification System
Johnston, Ian; Tracey, Mark; McCluskey, Daniel; Tan, Christabel; Munro, Ian (UH MEMS, 2014-07-31) -
Agreed Test Specifications - (D06) : Automated Sample Extraction from Filters
McCluskey, Daniel; Johnston, Ian; Tracey, Mark; Tan, Christabel; Munro, Ian; Kaye, Richard; Baxter, Richard; Lodge, Matthew (RED Scientific, 2014-11-19) -
Analysis and design optimization of an integrated micropump-micromixer operated for bio-MEMS applications
Cortes, Cesar; Azarbadegan, Alireza; Johnston, Ian; Tracey, M.C. (2014-09-07)A generic microfluidic system composed by two single chamber valveless micropumps connected to a simple T-type channel intersection is examined numerically. The characteristics of a feasible valveless micropump have been ... -
Applied Methods to Assess the Antimicrobial Activity of Metallic-Based Nanoparticles
Chung, Etelka; Ren, Guogang; Johnston, Ian; Matharu, Rupy Kaur; Ciric, Lena; Walecka, Agnieszka; Cheong, Yuen-Ki (2023-10-28)With the rise of antibiotic resistance, the drive to discover novel antimicrobial substances and standard testing methods with the aim of controlling transmissive diseases are substantially high. In healthcare sectors and ... -
ASEF Performance Report - (D07) : Automated Sample Extraction from Filters
McCluskey, Daniel; Johnston, Ian; Tan, Christabel; Tracey, Mark; Munro, Ian (RED Scientific, 2014-12-19) -
Biosensors for Real-Time Monitoring of Biohazards and Disease in Aquaculture.
Johnston, Ian (2018-07-19)Early, reliable and systematic detection of waterborne chemical and biological pathogens is critical to prevent the spread of disease in aquaculture by enabling effective management practices. Laboratory-based technologies ... -
Candidate Filter Selection & Release Mechanism - (D03b) : Automated Sample Extraction from Filters
McCluskey, Daniel; Tracey, Mark; Johnston, Ian (RED Scientific, 2014-03-28) -
Controlled Actuation of Self-Propelled Droplets
Coudron, Loic; Lemenu, Clément; Lemaine, Kevin; McCluskey, Daniel; Tan, Christabel; Munro, Ian; Holdo, Arne; Tracey, Mark; Johnston, Ian (2020-10-09)In this paper we present controlled self-propelled actuation of droplets employing Laplace pressure gradients between two non-parallel superhydrophobic plates. For small angles (cos β ≈ 1) a simplification of available ... -
Dean flow focusing and separation of small microspheres within a narrow size range.
Johnston, Ian; McDonnell, M.B.; Tan, Christabel; McCluskey, Daniel; Davies, Matthew; Tracey, M.C. (2014-09-01)Rapid, selective particle separation and concentration within the bacterial size range (1–3 μm) in clinical or environmental samples promises significant improvements in detection of pathogenic microorganisms in areas ... -
Dean-flow sample Clean-up to Optimise and Extend the Operational Envelope of Biodetection Systems. : Final report for the Centre for Defence Enterprise Research Project
Tracey, M.C.; Johnston, Ian (University of Hertfordshire, 2011-09-06)This CDE funded research project sought to establish the applicability of microfluidic devices employing 'Dean-flow', a second order flow effect, to the 'clean-up' of real-world aqueous suspension samples prior to their ... -
Delivery of Prototype Automated Sample Processing Unit for Incorporation into a Biological Identification System
Tan, Christabel; Tracey, Mark; School of Engineering and Technology; Enterprise and Business Development; Micro Electro-Mechanical Systems; Centre for Engineering Research; Centre for Hazard Detection and Protection Research; Microfluidics and Microengineering; Department of Engineering and Technology; Johnston, Ian; McCluskey, Daniel; Lodge, Matthew; Munro, Ian (UH MEMS, 2017-02-28) -
Design of a high efficiency cyclone for collection of rare and low concentration airborne pathogens
Baxter, Richard; Johnston, Ian; Kaye, Richard; Munro, Ian; Tracey, Mark; Day, Rodney; McCluskey, Daniel (2017-03-16)Recent serious outbreaks of pathogens such as Chalara Fraxinea, (Ash Dieback) demonstrate the vulnerability of UK’s forests, woods, and trees. Early detection of threats is critical in the fight against such tree pests and ... -
The Design of an Innovative Research Led, Undergraduate Programme for Effective Development of R&D Skills and Learning.
McCluskey, Daniel; Tan, Christabel; Tracey, Mark; Johnston, Ian; Coudron, Loic (2016-10-25)Engineering education has suffered a shift in focus between research led fundamental engineering and vocational training that has resulted in many graduate engineers equipped without a thorough grasp of either skill set. ... -
The Design of an Innovative Research Led, Undergraduate Programme for Effective Development of R&D Skills and Learning.
McCluskey, Daniel; Tan, Christabel; Tracey, Mark; Johnston, Ian; Coudron, Loic (2016-10-25)Engineering education has suffered a shift in focus between research led fundamental engineering and vocational training that has resulted in many graduate engineers equipped without a thorough grasp of either skill set. ... -
Design Specification Report - (D03) : Automated Sample Processing Unit for Incorporation into a Biological Identification System
Johnston, Ian; Tracey, Mark; McCluskey, Daniel; Munro, Ian; Tan, Christabel (UH MEMS, 2015-05-20)