- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Catalytic Cross-Coupling Reactions
- Chemical Synthesis and Analysis
- Spacecraft and Cryogenic Technologies
- Asymmetric Hydrogenation and Catalysis
- Asymmetric Synthesis and Catalysis
- Blood transfusion and management
- Spacecraft Design and Technology
- Erythropoietin and Anemia Treatment
- Polymer Surface Interaction Studies
- Astro and Planetary Science
- 3D Printing in Biomedical Research
- Organophosphorus compounds synthesis
- Satellite Communication Systems
- Fluid Dynamics and Vibration Analysis
- Cell Adhesion Molecules Research
- Geochemistry and Elemental Analysis
- Frailty in Older Adults
- Structural Health Monitoring Techniques
- Sexual Differentiation and Disorders
- Opportunistic and Delay-Tolerant Networks
- Vibration Control and Rheological Fluids
- Covalent Organic Framework Applications
- Aerogels and thermal insulation
University of Nottingham
2020-2022
GlaxoSmithKline (United Kingdom)
2022
University of Leeds
2021
Durham University
2019
Durham Technical Community College
2019
Massachusetts General Hospital
2012
University of California, Berkeley
2003-2004
University of Washington
2003
Wayne State University
1976
Jet Propulsion Laboratory
1966-1972
Cellular micropatterning has become an important tool to precisely design cell-to-substrate attachment for cell biology studies, tissue engineering, cell-based biosensors, biological assays, and drug screens. This paper describes a new technique of cells that is based on the use oxygen plasma as patterning tool. The consists (1) homogeneously grafting glass substrate with protein-repellent interpenetrating polymeric network (IPN) poly(acrylamide) poly(ethyleneglycol) [P(AAm-co-EG)] prepared...
An efficient heterogeneous amidation catalyst has been prepared by co-polymerisation of styrene, DVB with 4-styreneboronic acid, which shows wide substrate applicability and higher reactivity than the equivalent homogeneous phenylboronic suggesting potential cooperative catalytic effects. The can be easily recovered reused; suitable for use in packed bed flow reactors.
Abstract The ability of monocytes to adhere, differentiate into macrophages, and fuse form foreign body giant cells (FBGCs) on an implanted material surface is a critical step toward biomaterial degradation. Novel homogenous surfaces were utilized mediate adhesion. These consisted N ‐(2 aminoethyl)‐3‐aminopropyltrimethoxysilane (EDS) interpenetrating polymer network (IPN) polyacrylamide poly(ethylene glycol). designed control cell adhesion morphology differentiation, activation, metabolic...
We describe a catalytic system for the conversion of carboxylic acids into alcohols using substoichiometric zinc acetate and N-methyl morpholine, in combination with phenylsilane as nominal terminal reductant. Reaction monitoring by 19F NMR spectroscopy demonstrates that reaction proceeds mutual activation acid silane through situ generation silyl ester intermediates.
Difficulties in obtaining ideal vertical vibration isolation with mechanical springs are identified as being due to the mass of elastic element which is turn its energy storage requirement. A new technique minimize this presented—being an Euler column undergoing buckling. The design a high performance stage based on presented together measured performance.
A phosphine-catalyzed oligomerization of arynes using selenocyanates was developed. The use JohnPhos as a bulky phosphine is the key to accessing α,ω-bisfunctionalized oligo(ortho-arylenes) with RSe substituent at one terminus and CN other. in situ formation R3PSeR′ cations, serving sterically encumbered electrophiles, hinders immediate reaction that affords 1,2-bisfunctionalization product instead opens competitive pathway leading oligomerization. Various optimized conditions for...
The di-tert-alkylphosphino motif is common to many best-in-class ligands for late-transition-metal catalysis. However, the structural diversity of these privileged substructures currently limited by need manipulate highly toxic, reactive reagents and intermediates in their synthesis. In response this longstanding challenge, we report an umpolung strategy synthesis structurally diverse di-tert-alkylphosphine building blocks via SN1 alkylation situ generated PH3 gas. We show that...
The first notice I had of any uncommon motion the waters in docks at Portsmouth, was by Whitehall Evening-Post; and as did not hear particulars from my acquaintance yard, thought no more it.
A new polyvinyl chloride container plasticized with tri(2‐ethylhexyl) trimellitate (PL 1240 plastic) was evaluated for use in extended platelet storage. Six leukocyte‐rich concentrates (mean, 0.6 × 10 9 white cells per bag; range, 0.3 to 1.0 container) were prepared by removing as much of the platelet‐rich plasma from blood possible. The stored at 22°C on an end‐over‐ end agitator. An average 1.04 ± 0.19 11 platelets recovered, and mean pH dropped 7.23 day 0 6.68 5. At completion storage...
Use of a sealless blood pathway in cell separator (CS‐3000, Fenwal) permits collection platelets “closed system” when saline and anticoagulant solutions are integrally attached; this turn allows storage instrument‐collected platelet concentrates (PCs) beyond 24 hours. To evaluate extended high yield PCs, cells collected with the instrument were stored (200 ml plasma) for 8 days (flatbed agitation) either 3‐liter polyvinylchloride (PL 146) containers (n = 6), polyolefin bags 732) 8), or two...
Mg(OH)<sub>2</sub> suspensions were floated utilising sodium dodecyl sulphate (SDS) lauroyl isethionate (SLI) collectors, for rapid dewatering of radwaste suspensions.
Around the world, individuals are living longer, but an increased average lifespan does not always equate to healthspan. With advancing age, prevalence of ageing-related diseases can have a significant impact on health status, functional capacity, and quality life. It is therefore vital develop comprehensive classification staging systems for pathologies, syndromes. This will allow societies better identify, quantify, understand, meet healthcare, workforce, wellbeing, socioeconomic needs...
Low thrust Jupiter flyby mission analysis for interplanetary vehicles with solar electric propulsion
Covers advancements in spacecraft and tactical strategic missile systems, including subsystem design application, mission analysis, materials structures, developments space sciences, processing manufacturing, operations, applications of technologies to other fields.
Development of a basic set normalized parameters to represent low-thrust system characteristics. The conditions which must be met obtain trajectory and performance data are invariant with the launch vehicle characteristics, selected power, specific mass vehicle, efficiency ion propulsion derived. This representation mission characteristics frees analyst from having rerun trajectories if any aforementioned varied. Examples pertaining Jupiter flyby comet Encke rendezvous given demonstrate...