1. Research papers in scientific journals/books
1) J. Marra, H.A. van der Schee, G.J. Fleer, and J. Lyklema; “Polyelectrolyte Adsorption
from Saline Solutions”; in “Adsorption from Solution”; R.H. Ottewill, C.H. Rochester,
and A.L. Smith (Eds.); Academic Press, London (1983) 245.
2) J. Marra; “Controlled Deposition of Lipid Monolayers and Bilayers onto Mica; Direct
Force Measurements between Galactolipid Bilayers in Aqueous Electrolyte Solutions”; J.
Colloid Interf. Sci. 107 (1985) 446.
3) J. Marra, and J.N. Israelachvili; “Direct Measurements of Forces between
Phosphatidylcholine and Phosphatidylethanolamine Bilayers in Aqueous Electrolyte
Solutions”; Biochemistry 24 (1985) 4608.
4) J. Marra; “Forces between Bilayers”; PhD thesis, Australian National University,
Canberra, Australia (1985).
5) J. Marra; “Direct Measurements of Attractive Van der Waals and Adhesion Forces
between Uncharged Lipid Bilayers in Aqueous Solutions”; J. Colloid Interf. Sci. 109
(1986) 11.
6) J.N. Israelachvili, and J. Marra; “Methods for Measuring Conformational Water Forces
(Hydration Forces) between Membrane and Other Surfaces”; Methods in Enzymology 127
(1986) 353.
7) J. Marra; “Direct Measurement of the Interaction between Phosphatidylglycerol Bilayers
in Aqueous Electrolyte Solutions”; Biophys. J. 50 (1986) 815.
8) J. Marra; “Effects of Counterion Specificity on the Interactions between Quaternary
Ammonium Surfactants in Monolayers and Bilayers”; J. Phys.Chem. 90 (1986) 2145.
9) R.G. Horn, J. Marra, V.A. Parsegian, and R.P. Rand; “Comparison of Forces Measured
between Phosphatidylcholine Bilayers”; Biophys. J. 54 (1988) 1185.
10) J. Marra, and M.L. Hair; “Surface Forces between Two Layers of Poly(ethyleneoxide)
Adsorbed from Toluene on Mica”; J. Colloid Interf. Sci. 125 (1988) 552.
11) J. Marra, and M.L. Hair; “Interactions between Adsorbed Polystyrene Layers in Toluene-
Heptane Mixtures; Effect of Solvent Quality”; Macromolecules 21 (1988) 2349.
12) J. Marra, and M.L. Hair; “Interactions between Adsorbed Polystyrene Layers in Acetone-
Heptane Solvent Mixtures; Effect of the Segment-Surface Adsorption Affinity”;
Macromolecules 21 (1988) 2356.
13) J. Marra, and M.L. Hair; “Forces between Two Poly(2-vinyl pyridine) Covered Surfaces
as a Function of Ionic Strength and Polymer Charge”; J. Phys. Chem. 92 (1988) 6044.
14) J. Marra, and M.L. Hair; “Interactions between Two Adsorbed Layers of
Poly(ethyleneoxide)/Polystyrene Diblock-copolymers in Heptane/Toluene Mixtures’;
Colloids Surf. 34 (1989) 215.
15) J. Marra, and M.L. Hair; “Double-layer Forces in Nonadsorbing Ionic Micellar Solutions
and Polyelectrolyte Solutions”; J. Colloid Interf. Sci. 128 (1989) 511.
16) J. Marra, and H.K. Christenson; “Effects of Miscible and Immiscible Polar Displacers on
the Forces between Adsorbed Polystyrene Layers in Nonpolar Solvents”; J. Phys.Chem.
93 (1989) 7180.
17) J. Marra; “PEO Adsorption from Toluene on Mica”; J. Colloid Interf. Sci. 146 (1991) 598.
18) J. Marra, and J.A.M. Huethorst; “Physical Principles of Marangoni Drying”; Langmuir 7
(1991) 2748.
19) J.A.M. Huethorst, and J. Marra; “Motion of Marangoni-Contracted Water Drops Across
Inclined Hydrophilic Surfaces”; Langmuir 7 (1991) 2756.
20) J. Marra; “Ultra-clean Marangoni Drying” in “Third Symposium on Particles in Gases and
Liquids: Detection, Characterization, and Control”; K.L. Mittal (Ed.); Plenum Publish.
Co. (1992).
21) J. Marra; “Ultra-clean Drying”; Philips Res. Bull. on Materials 5 (1991) 5.
22) J. Marra, S.M.R. Gelderland; “Filter for Indoor Air Treatment”; Philips Res. Bull. on
Materials 21 (1997) pp. 5 – 8.

2. 23) B. Bronsema, J. Marra; “Deel 1 – Ontwerp en Realisatie van een rookserre voor de
faculteit Bouwkunde van de TU Delft: Ventilatie van ETA3 ruimten in gebouwen”;
TVVL Magazine 10 (2006), pp. 50-55.
24) B. Bronsema, J. Marra; “Deel 2 – Prestatiemetingen van een rookserre voor de faculteit
Bouwkunde van de TU Delft: Ventilatie van ETA3 ruimten in gebouwen”; TVVL
Magazine 10 (2006), pp. 56-61.
25) J. Marra; “Combining Air Filtration with Ultrafine Particle Sensing for an Enhanced
Energy-efficient Indoor Air Quality Optimization”; Proceedings CLIMA2007- Well-
Being Indoors; 9th REHVA World Congress; Helsinki, Finland (2007).
26) J. Marra; “Ultrafine Particle Sensors for Indoor Air Quality (IAQ) Monitoring and
Control”; Proceedings 11th Int. Conf. Indoor Air Quality and Climate; Copenhagen,
Denmark; paper #285 (2008).
27) J. Marra; “Binnenluchtverontreiniging met (ultra)fijn stof: Toepassing van de Aerasense
ultrafijn stof monitor voor het verbeteren van de binnenluchtkwaliteit”; TVVL Magazine
(2009) Vol. 1 pp. 12 – 19.
28) J. Marra, M. Voetz, H.J. Kiesling; ”Monitor for Detecting and Assessing Exposure to
Airborne Nanoparticles”; J. Nanoparticle Research 12 (2010) pp. 21 – 37.
29) J. Marra, H. Goossens, S. Kessels; “Nanoparticle Monitoring for Exposure Assessment”;
IEEE Nanotechnology Magazine (June, 2009), pp. 6 – 12.
30) J. Marra; “Airborne Particle Monitoring for an Enhanced Indoor Air Pollution Control”;
Proc. Healthy Buildings Conf., Syracuse, USA (September 2009); paper #195.
31) J. Marra; “Using the Aerasense NanoTracer for Simultaneously Obtaining Several
Ultrafine Particle Exposure Metrics”; J. of Physics, Conf. Series 304 (2011) 012010.
32) K.M. Moroney, W.T. Lee, S.B.G. O’Brien, J.F. Suijver, J. Marra; “Modelling of coffee
extraction during brewing using multiscale methods: an experimentally validated model”;
Chem. Eng. Sci. 137 (2015) pp. 216 – 234.
33) K.M. Moroney, W.T. Lee, S.B.G. O’Brien, J.F. Suijver, J. Marra; “Asymptotic analysis of
the dominant mechanisms in the coffee extraction process”; SIAM Journal on Applied
Mathematics (accepted for publication).
34) K.M. Moroney, W.T. Lee, S.B.G. O’Brien, J.F. Suijver, J. Marra; “Coffee extraction
kinetics in a well-mixed system”; Journal of Mathematics in Industry 7 (2016) pp. 1 – 19.
Internal Philips Reports
1) J. Huethorst, A.F.M. Leenaars, J. Marra, J.J. van Oekel, J.W.M. Geven, and F.L.G. de Vries;
“Evaluation of Batchwise Marangoni Drying of Silicon Wafers with a 4” Wafer Prototype”;
NL Techn. Note 304/89 (1989).
2) J. Huethorst, and J. Marra; “Marangoni-aided Spin Drying”; NL Techn. Note 161/90 (1990).
3) J. Marra; “Contamination Control for Avoiding Poly-Si-Residues; Some Features of Particle
Adhesion on Silicon”; NL Report 6488 (1990).
4) J. Marra, and J. Huethorst; “Physical Principles and Applications of Marangoni Drying”; NL
Report 6512 (1990).
5) J. Marra; “Ultra-clean Drying”; Philips Res. Bull. on Materials 5 (1991) 5.
6) J. Marra, and T.L.G. Thijssen; “Scale Formation in Steam Irons and the Prevention Thereof
with Weakly-Acidic Ion Exchangers”; NL Techn. Note 304/91 (1991).
7) J. Marra, and T.L.G. Thijssen; “Chemical Scaling Inhibitors and Their Possible Application
in Steam Irons and Coffee Makers”; NL Techn. Note 122/92 (1992).
8) J. Marra, and T.L.G. Thijssen; “Application of High-Melting Acids to Counteract Scaling in
Steam Irons and Air Humidifiers; Development of an Anti-Scaling Filter”; NL Techn. Note
257/92 (1992).
9) J. Marra, and T.L.G. Thijssen; “Indoor Air Pollution with Gases and Vapours:- Its Scope,
Perception, and Possible Mitigation”; NL Techn. Note 291/93 (1993).

3. 10) J. Marra, and T.L.G. Thijssen; “The Removal of Organic Vapors from Air for Indoor Air
Cleaning”; NL Techn. Note 006/094 (1994).
11) J. Marra, C. Jay, G. Sollner; “Issues Pertaining to Air Cleaning and Air Cleaners”; NL Techn.
Note 1994/0224 (1994).
12) J. Marra, T.L.G. Thijssen; “The Removal of Tobacco Smoke Vapors from Air by Activated
Carbon”; NL Techn. Note 1994/0241 (1994).
13) J. Marra, T.L.G. Thijssen; “The Application of Acid –Impregnated Filters for Removing
Alkaline Gases from Air”; NL Techn. Note 1995/0064 (1995).
14) J. Marra, T.L.G. Thijssen; “Compact Filter Structures for Air Cleaning, Air Humidification,
and Air Cooling”; NL Techn. Note 1995/0203 (1995).
15) J. Marra, T.L.G. Thijssen; “Impregnated Absorption Filters for Removing Formaldehyde from
Air”; NL Techn. Note 1995/0292 (1995).
16) J. Marra, T.L.G. Thijssen; “Filters for Removing Smog Gases (SO2, NO2, O3), Formaldehyde,
and Acidic Gases from Air”; NL Techn. Note 1996/0060 (1996).
17) A. Boogaard, J. Marra, S.M.R. Gelderland; “An Electrostatic Dust Precipitator for an Indoor
Air Cleaner”; NL Techn. Note 1996/0200 (1996).
18) J. Marra; “Electrostatically-Augmented Dust Filters for Indoor Air Cleaning”; NL Techn.
Note 1997/0048 (1997).
19) J. Marra; “Corrugated Paper Structures for Air Cleaning, Evaporative Cooling, and
Condensative Heating”; NL Techn. Note 1997/0091 (1997).
20) J. Marra, S.M.R. Gelderland; “Design and Construction of Improved Activated Carbon Filters
for Air Cleaning”; NL Techn. Note 1997/0119 (1997).
21) J. Marra, S.M.R. Gelderland; “Domestic Drinking Water Quality, Treatment, and Purification:
Scope, Significance and Applicable Technologies”; NL Techn. Note 1997/0214 (1997).
22) J. Marra, S.M.R. Gelderland; “-Al2O3 Nanofiltration Membranes for Domestic Water
Purification”; NL Techn. Note 1998/0015 (1998).
23) J. Marra, J. Wijdenes; “Removal of Pollutants from Domestic Tap Water by
Granular/Powdered Beds of Sorbent Media: Application to Water Purifiers, Coffee Makers
and Kettles”; NL Techn. Note 1998/0089 (1998).
24) J. Marra, A.G.J. Geelen-Snijkers, V.D. Hildenbrand, C. Mutter, H. Glaeser, R.A. Hayes;
“Pigments in Backlights: New Design Options for Fixtures Through Optical Coatings”; NL
Techn. Note 2000/0064 (2000).
25) M.G.J. Bel, J. Marra, P.A. Duine, T.M.H. Creemers et.al.; “Design Rules and Foil
Manufacturing Processes for the Dynamic Foil Display (DFD) Device”; NL Techn. Note
2000/0209 (2000).
26) J. Marra; “Particle Coatings through Aerosol Deposition”; NL Techn. Note 2000/295 (2000).
27) J. Marra, P.A. Duine, G.G.P. van Gorkom, B. Mos; “The Electromechanical Operation of the
Dynamic Foil Display”; NL Techn. Note 2001/0003 (2001).
28) J. Marra, A.G.J. Geelen-Snijkers, B.F. van der Heijden, H. Glaeser; “Factbook on Light-
Scattering from Particle Coatings: Theory and Experiments”; NL Techn. Note 2001/0175
(2001).
29) J. Marra, H. Glaeser; “New Design options for Luminaire Fixtures”; NL Techn. Note
2002/0197 (2002).
30) J. Marra, T.M.H. Creemers, J.G.A. den Biggelaar; “Optics of the Dynamic Foil Display:
Influence of Absorption, Scattering, and Re-feeding on the Display Luminance, Uniformity,
and Viewing Angle”; NL Techn. Note 2002/0199 (2002).
31) J. Marra et.al.; “Processing of Poly-LEDs in Air up to the Cathode Deposition”; NL Techn.
Note 2002/0202 (2002).
32) J. Marra, P. Goossens, B. Mos; “Foil Display Switching Curve Measurements and
Simulations”; NL Techn. Note 2002/392 (2002).
33) J. Marra; “Towards a Reflective Foil Display”; NL Techn. Note 2002/0420 (2002).

4. 34) J. Marra; “Calculations on the Switching Performance of a Porous Foil in an Emissive Foil
Display”; NL Techn. Note 2003/00366 (2003).
35) J. Marra; “ Mechanical and Optical Aspects of Heat-reflecting Titania/Silica Multilayer
Coatings on Quartz”; NL Techn. Note 2003/00629 (2003).
36) G.J. Destura, J. Marra; “Touch-Sensitive LCD In-cell Implementation using Pixel Switches”;
NL Techn. Note 2003/00631 (2003).
37) M.W.G. Ponjee, J. Marra; “Influence of Thin Film Structures on the Light-guide Optics of the
Dynamic Foil Display”; NL Techn. Note 2003/00955 (2003).
38) J. Marra; “Ulbricht-Sphere Type of LED Light Engine”; NL Techn. Note 2003/00965 (2003).
39) J. Marra; “Combustion-Derived Airborne Nanoparticles: Their Significance, Sensing, and
Removal from Air”; NL Techn. Note 2004/00090 (2004).
40) J. Marra, B. van der Heijden; “The Charging and Electrostatic Precipitation of Airborne
Nanoparticles”; NL Techn. Note 2004/00670 (2004).
41) J. Marra; “The Filtration of Charged Ultrafine Particles from Air: Theory”; NL Techn. Note
2005/00147 (2005).
42) J. Marra; “The Filtration of Charged Ultrafine Particles from Air: Experiment”; NL Techn.
Note 2005/00300 (2005).
43) J. Marra; “Fast-response Sensor Devices for Detecting and Evaluating Airborne Ultrafine
Particles”; NL Techn. Note 2006/00863 (2006).
44) J. Marra; “The Significance of the Boltzmann Bipolar Charge Equilibrium on Airborne
Particles for Particle Filtration”; NL Techn. Note 2006/00962 (2006).
45) J. Marra; “On the Feasibility of Measuring the Size Distribution of Airborne Ultrafine
Particles (UFPs) with UFP Sensors”; NL Techn. Note 2006/01036 (2006).
46) J. Marra; “On Indoor Air Pollution with Particles and Its Assessment with Various Particle
Sensors”; NL Techn. Note 2009/00080 (2009).
47) J. Marra; “Issues pertaining to Ultrafine Particle (UFP) Sensors”; NL Techn. Note 2009/00205
(2009).
48) J. Marra; “Ionic Wind Sensor for Detecting Airborne Ultrafine Particles “; NL Techn. Note
2010/0043 (2010).
49) J. Marra; “Integrated Sensor for Measuring Airborne Ultrafine Particles and Volatile Organic
Compounds”; NL Techn. Note 2010/00099 (2010).
50) J. Marra; “Modelling the Causes and Control of Indoor Air Pollution”; NL Techn. Note
2010/00197 (2010).
51) J. Marra; “Corrugated Air Treatment Filters for Gas (Formaldehyde) Absorption and Air
Humidification/Cooling”; NL Techn. Note 2011/00121 (2011).
52) J. Marra; “Features of the Aerasense Ultrafine Particle (UFP) Monitor: Performance
Enhancement, Assessment of UFP-related Powder-Dustiness, and the Measurement of UFP
Agglomerates versus Compact UFPs”; NL Techn. Note 2011/00583 (2011).
53) N.M.A. de Wild, K. Karakaya, J.B. Giesbers, J. Marra, E. Schuijers; “Differential
Measurement for Selective and Sensitive Formaldehyde Sensing”; NL Techn. Note
2011/00607 (2011).
54) J. Marra; “Understanding Coffee Brewing I: Flow and Extraction Phenomena in Dripfilter
Coffee and Their Effect on Taste”; NL Techn. Note 2012/00295 (2012).
55) A.T.L. Tan, J. Marra, J.H Lammers, J.F. Suijver; “The Effect of Water Hardness and Filter
Holder Shape on Coffee”; NL Techn. Note 2012/00581 (2012).
56) J. Marra; “Understanding Coffee Brewing II:- Effect of Brewing Process and Design
Parameters on Coffee Extraction and Taste”; NL Techn. Note 2012/00619 (2012).
57) J. Marra; “Understanding Coffee Brewing III: Effect of Brewing Process Variables in Closed
(Senseo) Low-Pressure Brewing Chambers on Extraction, Taste and Aesthetics”; NL Techn.
Note 2013/00263 (2013).
58) J. Marra; “Understanding Coffee Brewing IV: The Brewing, Extraction and Taste of Espresso
Coffee”; NL Techn. Note 2013/00597 (2013).
59) J. Marra, N.P.M Haex, N.P. Willard, D. Beelen; “Caffeine Reduction in Espresso Coffee with
Bentonite Clay”; NL Techn. Note 2014/00120 (2014).

5. 60) J. Marra; “Impregnated gas absorption filters for air cleaning and air pollution sensing”; NL
Techn. Note 2014/00258 (2014).
61) J. Marra, J. Lipsch, J. de Vreede, C. Brantjes; “Understanding coffee brewing V: Relating
espresso taste to coffee species and brewing parameters”; NL Techn. Note 2014/00375 (2014).
62) J. Marra; “Activated carbon filters for indoor air cleaning: functionality, performance, testing
and regeneration”; NL Techn. Note 2014/00558 (2014).
63) J. Marra; “Design and impregnation options for corrugated formaldehyde filters”; NL Techn.
Note 2015/00209 (2015).
64) J. Marra; “An activated carbon filter for improving the lifetime and signal interpretation of the
ultrafine particle sensor”; NL Techn. Note 2015/00277 (2015).
65) J. Marra, L.J.A. Beckers, M. Mulder, S. Spoor; “Some air related topics: Performance of a
MnOxCeO2 catalytic formaldehyde filter, Design/operation of the differential formaldehyde
sensor”; NL Techn. Note 2015/00599 (2015).
66) A.L. Bouwkamp-Wijnoltz, N.P.M. Haex, J. Marra, M.K. te Velde, J. De Vreede, N.P. Willard,
H.C. Zeijlstra; “Understanding coffee brewing VI: Relating the health-relevant
cafestol/kahweol concentrations in coffee brew to brewing systems and brewing parameters”;
NL Techn. Note 2015/00701 (2015).
67) J. Marra; “Assessing and improving the Apollo combi-filter for indoor air cleaning”; NL
Techn. Note 2016/0141 (2016).
US patents (Granted)
1 US 9417207 Gas sensing apparatus
2 US 8701466 Device for characterizing the evolution over time of a size-distribution of
electrically charged airborne particles in an airflow
3 US 8627733 Device for characterizing a size distribution of electrically-charged airborne
particles in an air flow
4 US 8627732 Device for characterizing a size distribution of electrically-charged airborne
particles in an air flow
5 US 8607616 Sensor for sensing airborne particles
6 US 8452489 Controlling system for controlling an air handling system
7 US 8402815 Air pollution sensor system
8 US 8123840 Electrostatic particle filter
9 US 7857892 Air pollution sensor system
10 US 7855449 Cooling device for a light-emitting semiconductor device and a method for
manufacturing such as device
11 US 7836751 Ultrafine particle sensor
12 US 7722211 Light engine
13 US 7314292 Lighting device
14 US 7222994 Illumination system
15 US 7128443 Light-collimating system
16 US 7068910 Light-generating device having a polarized light-emitting waveguide plate
17 US 6956332 Display device comprising a light guide
18 US 6653997 Display device comprising a light guide
19 US 6413303 Activated carbon air filter
20 US 6251171 Air cleaner
21 US 6071479 Air filtration device
22 US 5966426 X-ray examination apparatus including an X-ray filter
23 US 5507108 Steam iron with scale prevention
24 US 5271774 Method for removing in a centrifuge a liquid from a surface of a substrate