M. A. Hogan, Fluids, Electrolytes, and Acid-Base Balance with Nursing Reviews and Rationales, 2017.

M. S. Oh and H. J. Carroll, The anion gap, N. Engl. J. Med, vol.297, issue.15, pp.814-817, 1977.

R. P. Buck, Ion selective electrodes, Anal. Chem, vol.48, issue.5, pp.23-39, 1976.

M. Puentes, C. Weiß, M. Schüßler, and R. Jakoby, Sensor array based on split ring resonators for analysis of organic tissues, IEEE MTT-S Int. Microw. Symp, pp.1-4, 2011.

M. Puentes, Planar Metamaterial Based Microwave Sensor Arrays for Biomedical Analysis and Treatment, 2014.

A. Ebrahimi, W. Withayachumnankul, S. Al-sarawi, and D. Abbott, Highsensitivity metamaterial-inspired sensor for microfluidic dielectric characterization, IEEE Sensors J, vol.14, issue.5, pp.1345-1351, 2014.

M. Schueler, C. Mandel, M. Puentes, and R. Jakoby, Metamaterial inspired microwave sensors, IEEE Microw. Mag, vol.13, issue.2, pp.57-68, 2012.

M. S. Boybay and O. M. Ramahi, Material characterization using complementary split-ring resonators, IEEE Trans. Instrum. Meas, vol.61, issue.11, pp.3039-3046, 2012.

C. Lee and C. Yang, Complementary split-ring resonators for measuring dielectric constants and loss tangents, IEEE Microw. Wireless Compon. Lett, vol.24, issue.8, pp.563-565, 2014.

C. Yang, C. Lee, K. Chen, and K. Chen, Noncontact measurement of complex permittivity and thickness by using planar resonators, IEEE Trans. Microw. Theory Techn, vol.64, issue.1, pp.247-257, 2016.

L. Su, J. Mata-contreras, P. Vélez, and F. Martín, Estimation of conductive losses in complementary split ring resonator (CSRR) loading an embedded microstrip line and applications, IEEE MTT-S International Microwave Symposium (IMS'17), 2017.

L. Su, J. Mata-contreras, P. Vélez, and F. Martín, Estimation of the complex permittivity of liquids by means of complementary split ring resonator (CSRR) loaded transmission lines, 2017 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes, pp.20-22, 2017.

L. Su, J. Mata-contreras, P. Vélez, A. Fernández-prieto, and F. Martín, Analytical method to estimate the complex permittivity of oil Samples, Sensors, vol.18, issue.4, p.984, 2018.

J. Naqui, M. Durán-sindreu, and F. Martín, Novel sensors based on the symmetry properties of split ring resonators (SRRs), Sensors, vol.11, pp.7545-7553, 2011.

J. Naqui, M. Durán-sindreu, and F. Martín, Alignment and position sensors based on split ring resonators, Sensors, vol.12, pp.11790-11797, 2012.

A. K. Horestani, C. Fumeaux, S. F. Al-sarawi, and D. Abbott, Displacement sensor based on diamond-shaped tapered split ring resonator, IEEE Sens. J, vol.13, pp.1153-1160, 2013.

A. K. Horestani, D. Abbott, and C. Fumeaux, Rotation sensor based on horn-shaped split ring resonator, IEEE Sens. J, vol.13, pp.3014-3015, 2013.

J. Naqui and F. Martín, Transmission lines loaded with bisymmetric resonators and their application to angular displacement and velocity sensors, IEEE Trans. Microw. Theory Techn, vol.61, issue.12, pp.4700-4713, 2013.

J. Naqui and F. Martín, Angular displacement and velocity sensors based on electric-LC (ELC) loaded microstrip lines, IEEE Sensors J, vol.14, issue.4, pp.939-940, 2014.

A. K. Horestani, J. Naqui, D. Abbott, C. Fumeaux, and F. Martín, Twodimensional displacement and alignment sensor based on reflection coefficients of open microstrip lines loaded with split ring resonators, Elec. Lett, vol.50, pp.620-622, 2014.

J. Naqui and F. Martín, Microwave sensors based on symmetry properties of resonator-loaded transmission lines: a review, Journal of Sensors, vol.2015, p.10, 2015.

J. Naqui, J. Coromina, A. Karami-horestani, C. Fumeaux, and F. Martín, Angular displacement and velocity sensors based on coplanar waveguides (CPWs) loaded with S-shaped split ring resonator (S-SRR), Sensors, vol.15, pp.9628-9650, 2015.

A. K. Horestani, J. Naqui, Z. Shaterian, D. Abbott, C. Fumeaux et al., Two-dimensional alignment and displacement sensor based on movable broadside-coupled split ring resonators, Sensors and Actuators A, vol.210, pp.18-24, 2014.

J. Naqui, C. Damm, A. Wiens, R. Jakoby, L. Su et al., Transmission lines loaded with pairs of magnetically coupled stepped impedance resonators (SIRs): modeling and application to microwave sensors, IEEE MTT-S Int. Microwave Symp, pp.1-4, 2014.

L. Su, J. Naqui, J. Mata-contreras, and F. Martín, Modeling metamaterial transmission lines loaded with pairs of coupled split ring resonators, IEEE Ant. Wireless Propag. Lett, vol.14, pp.68-71, 2015.

L. Su, J. Naqui, J. Mata, and F. Martín, Dual-band epsilon-negative (ENG) transmission line metamaterials based on microstrip lines loaded with pairs of coupled complementary split ring resonators (CSRRs): modeling, analysis and applications, 9 th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, 2015.

L. Su, J. Naqui, J. Mata-contreras, P. Vélez, and F. Martín, Transmission line metamaterials based on pairs of coupled split ring resonators (SRRs) and complementary split ring resonators (CSRR): a comparison to the light of the lumped element equivalent circuits, International Conference on Electromagnetics for Advanced Applications, ICEAA 2015, pp.7-11, 2015.

L. Su, J. Naqui, J. Mata-contreras, and F. Martín, Modeling and applications of metamaterial transmission lines loaded with pairs of coupled complementary split ring resonators (CSRRs), IEEE Ant. Wireless Propag. Lett, vol.15, pp.154-157, 2016.

L. Su, J. Mata-contreras, J. Naqui, and F. Martín, Splitter/combiner microstrip sections loaded with pairs of complementary split ring resonators (CSRRs): modeling and optimization for differential sensing applications, IEEE Trans. Microw. Theory Techn, vol.64, pp.4362-4370, 2016.

P. Vélez, L. Su, K. Grenier, J. Mata-contreras, D. Dubuc et al., Microwave microfluidic sensor based on a microstrip splitter/combiner configuration and split ring resonators (SRR) for dielectric characterization of liquids, IEEE Sensors J, vol.17, pp.6589-6598, 2017.

F. Martín, Artificial Transmission Lines for RF and Microwave Applications, 2015.

J. Naqui, Symmetry Properties in Transmission Lines Loaded with Electrically Small Resonators: Circuit Modeling and Applications, 2016.

J. Mata-contreras, C. Herrojo, and F. Martín, Application of split ring resonator (SRR) loaded transmission lines to the design of angular displacement and velocity sensors for space applications, IEEE Trans. Microw. Theory Techn, vol.65, pp.4450-4460, 2017.

P. Vélez, J. Mata-contreras, L. Su, D. Dubuc, K. Grenier et al., Modeling and analysis of pairs of open complementary split ring resonators (OCSRRs) for differential permittivity sensing, 2017 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes, pp.20-22, 2017.

P. Vélez, K. Grenier, J. Mata-contreras, D. Dubuc, and F. Martín, Highly-sensitive microwave sensors based on open complementary split ring resonators (OCSRRs) for dielectric characterization and solute concentration measurement in liquids, IEEE Access

A. Vélez, F. Aznar, J. Bonache, M. C. Velázquez-ahumada, J. Martel et al., Open complementary split ring resonators (OCSRRs) and their application to wideband CPW band pass filters, IEEE Microw. Wireless Compon. Lett, vol.19, issue.4, pp.197-199, 2009.

F. Martín, L. Zhu, J. Hong, and F. Medina, Balanced Microwave Filters, 2018.

A. Babajanyan, J. Kim, S. Kim, K. Lee, and B. Friedman, Sodium chloride sensing by using a near-field microwave microprobe, Appl. Phys. Lett, vol.89, issue.18, p.183504, 2006.

A. Bababjanyan, H. Melikyan, S. Kim, J. Kim, K. Lee et al., Real-time noninvasive measurement of glucose concentration using a microwave biosensor, J. Sensors, vol.2010, 2010.

S. Kim, H. Melikyan, J. Kim, A. Babajanyan, J. Lee et al., Noninvasive in vitro measurement of pig-blood D-glucose by using a microwave cavity sensor, Diabetes Res. Clin. Pract, vol.96, issue.3, pp.379-384, 2012.

N. Sharafadinzadeh, M. Abdolrazzaghi1, and M. Daneshmand, Highly sensitive microwave split ring resonator sensor using gap extension for glucose sensing, 2017 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes, pp.20-22, 2017.

J. Kim, A. Babajanyan, A. Hovsepyan, K. Lee, and B. Friedman, Microwave dielectric resonator biosensor for aqueous glucose solution, Rev. Sci. Instrum, vol.79, p.86107, 2008.

P. Vélez, J. Mata-contreras, D. Dubuc, K. Grenier, and F. Martín, Solute Concentration Measurements in Diluted Solutions by means of Split Ring Resonators, Proc. 48th Europ. Microw. Conf, pp.23-28, 2018.