Allemani C et al (2018) Global surveillance of trends in cancer survival 2000–14 (CONCORD-3): analysis of individual records for 37 513 025 patients diagnosed with one of 18 cancers from 322 population-based registries in 71 countries. Lancet 391:1023–1075 DOI: 10.1016/S0140-6736(17)33326-3
Ghezzi S, Martinelli E, Roscioni C, Lucantoni G, Galluccio G, Paolesse R, Di Natale C, D’Amico A (2015) The lung cancer breath signature: a comparative analysis of exhaled breath and air sampled from inside the lungs. Sci Rep 5:16491–16501 DOI: 10.1038/srep16491
Filipiak W, Filipiak A, Sponring A, Schmid T, Zelger B, Ager C, Klodzinska E, Denz H, Pizzini A, Lucciarini P, Jamnig H, Troppmair J, Amann A (2014) Comparative analyses of volatile organic compounds (VOCs) from patients, tumors and transformed cell lines for the validation of lung cancer-derived breath markers. J Breath Res 8:027111–027124 DOI: 10.1088/1752-7155/8/2/027111
O’Neill H, Gordon S, O’Neill M, Gibbons R, Szidon J (1988) A computerized classification technique for screening for the presence of breath biomarkers in lung cancer. Clin Chem 34:1613–1618 DOI: 10.1093/clinchem/34.8.1613
Ligor M, Ligor T, Bajtarevic A, Ager C, Pienz M, Klieber M, Denz H, Fiegl M, Hilbe W, Weiss W, Lukas P, Jamnig H, Hackl M, Buszewski B, Miekisch W, Schubert J, Amann A (2009) Determination of volatile organic compounds in exhaled breath of patients with lung cancer using solid phase microextraction and gas chromatography mass spectrometry. Clin Chem Lab Med 47:550–560 DOI: 10.1515/CCLM.2009.133
Song G, Qin T, Liu H, Xu G, Pan Y, Xiong F, Gu K, Sun G, Chen Z (2010) Quantitative breath analysis of volatile organic compounds of lung cancer patients. Lung Cancer 67:227–231 DOI: 10.1016/j.lungcan.2009.03.029
Schallschmidt K, Becker R, Jung C, Bremser W, Walles T, Neudecker J, Leschber G, Frese S, Nehls I (2016) Comparison of volatile organic compounds from lung cancer patients and healthy controls—challenges and limitations of an observational study. J Breath Res 10:046007–046024 DOI: 10.1088/1752-7155/10/4/046007
Mazzone P, Hammel J, Dweik R, Na J, Czich C, Laskowski D, Mekhail T (2007) Diagnosis of lung cancer by the analysis of exhaled breath with a colorimetric sensor array. Thorax 62:565–568 DOI: 10.1136/thx.2006.072892
Wehinger A, Schmid A, Mechtcheriakov S, Ledochowski M, Grabmer C, Gastl G, Amann A (2007) Lung cancer detection by proton transfer reaction mass-spectrometric analysis of human breath gas. Int J Mass Spectrom 265:49–59 DOI: 10.1016/j.ijms.2007.05.012
Kischkel S, Miekisch W, Sawacki A, Straker E, Trefz P, Amann A, Schubert J (2010) Breath biomarkers for lung cancer detection and assessment of smoking related effects—confounding variables, influence of normalization and statistical algorithms. Clin Chim Acta 411:1637–1644 DOI: 10.1016/j.cca.2010.06.005
Rudnicka J, Walczak M, Kowalkowski T, Jezierski T, Buszewskia B (2014) Determination of volatile organic compounds as potential markers of lung cancer by gas chromatography–mass spectrometry versus trained dogs. Sens Actuat B Chem 202:615–621 DOI: 10.1016/j.snb.2014.06.006
Poli D, Goldoni M, Corradi M, Acampa O, Carbognani P, Internullo E, Casalini A, Muttia A (2010) Determination of aldehydes in exhaled breath of patients with lung cancer by means of on-fiber-derivatisation SPME–GC/MS. J Chromatogr B 878:2643–2651 DOI: 10.1016/j.jchromb.2010.01.022
Buszewski B, Ligor T, Jezierski T, Wenda-Piesik A, Walczak M, Rudnicka J (2012) Identification of volatile lung cancer markers by gas chromatography–mass spectrometry: comparison with discrimination by canines. Anal Bioanal Chem 404:141–146 DOI: 10.1007/s00216-012-6102-8
Saalberg Y, Wolff M (2016) VOC breath biomarkers in lung cancer. Clin Chim Acta 459:5–9 DOI: 10.1016/j.cca.2016.05.013
Kaur J, Anand K, Anand K, Singh R (2018) WO3 nanolamellae/reduced graphene oxide nanocomposites for highly sensitive and selective acetone sensing. J Mater Sci 53:12894–12907. 10.1007/s10853-018-2558-z DOI: 10.1007/s10853-018-2558-z
Duan H, Wang Y, Li S, Wang Y, Li S, Li H, Liu L, Du L, Cheng Y (2018) Controllable synthesis of Ho-doped In2O3 porous nanotubes by electrospinning and their application as an ethanol gas sensor. J Mater Sci 53:3267–3279. 10.1007/s10853-017-1796-9 DOI: 10.1007/s10853-017-1796-9
Dey A (2018) Semiconductor metal oxide gas sensors: a review. Mater Sci Eng B 229:206–217 DOI: 10.1016/j.mseb.2017.12.036
Zhang C, Wu Q, Zheng B, You J, Luo Y (2018) Synthesis and acetone gas sensing properties of Ag activated hollow sphere structured ZnFe2O4. Ceram Int 44:20700–20707 DOI: 10.1016/j.ceramint.2018.08.064
You J, Chen X, Zheng B, Geng X, Zhang C (2017) Suspension Plasma-Sprayed ZnFe2O4 Nanostructured Coatings for ppm-Level Acetone Detection. J Therm Spray Technol 26:728–734 DOI: 10.1007/s11666-017-0536-7
Li W, Wu X, Han N, Chen J, Qian X, Deng Y, Tang W, Chen Y (2016) MOF-derived hierarchical hollow ZnO nanocages with enhanced low-concentration VOCs gas-sensing performance. Sens Actuat B Chem 225:158–166 DOI: 10.1016/j.snb.2015.11.034
Chen Y, Li X, Li X, Wang J, Tang Z (2016) UV activated hollow ZnO microspheres for selective ethanol sensors at low temperatures. Sens Actuat B Chem 232:158–164 DOI: 10.1016/j.snb.2016.03.138
Hsu C, Jhang B, Kao C, Hsueh T (2018) UV-illumination and Au-nanoparticles enhanced gas sensing of p-type Na-doped ZnO nanowires operating at room temperature. Sens Actuat B Chem 274:565–574 DOI: 10.1016/j.snb.2018.08.016
Kim J, Kim S (2015) Realization of ppb-scale toluene-sensing abilities with Pt functionalized SnO2-ZnO core-shell nanowires. ACS Appl Mater Interfaces 7(31):17199–17208 DOI: 10.1021/acsami.5b04066
Drobek M, Kim J, Bechelany M, Vallicari C, Julbe A, Kim S (2016) MOF-based membrane encapsulated ZnO nanowires for enhanced gas sensor selectivity. ACS Appl Mater Interfaces 8(13):8323–8328 DOI: 10.1021/acsami.5b12062
Wang Z, Tian Z, Han D, Gu F (2016) Highly sensitive and selective ethanol sensor fabricated with In-doped 3DOM ZnO. ACS Appl Mater Interfaces 8(8):5466–5474 DOI: 10.1021/acsami.6b00339
Guo W, Zhao B, Zhou Q, He Y, Wang Z, Radacsi N (2019) Fe-doped ZnO/reduced graphene oxide nanocomposite with synergic enhanced gas sensing performance for the effective detection of formaldehyde. ACS Omega 4:10252–10262 DOI: 10.1021/acsomega.9b00734
Khayatian A, Safa S, Azimirad R, Almasi Kashi M, Akhtarianfar SF (2016) The effect of fe-dopant concentration on ethanol gas sensing properties of Fe-doped ZnO/ZnO shell/core nanorods. Physica E 84:71–78 DOI: 10.1016/j.physe.2016.05.030
Han L, Wang D, Lu Y, Jiang T, Liu B, Lin Y (2011) Visible-light-assisted HCHO gas sensing based on Fe-doped flowerlike ZnO at room temperature. J Phys Chem C 115:22939–22944 DOI: 10.1021/jp206352u
Yu A, Qian J, Pan H, Cui Y, Xu M, Tu L, Chai Q, Zhou X (2011) Micro-lotus constructed by Fe-doped ZnO hierarchically porous nanosheets: preparation, characterization and gas sensing property. Sens Actuat B Chem 158:9–16 DOI: 10.1016/j.snb.2011.03.052
Machado R, Laskowski D, Deffenderfer O, Burch T, Zheng S, Mazzone P, Mekhail T, Jennings C, Stoller J, Pyle J, Duncan J, Dweik R, Erzurum S (2005) Detection of lung cancer by sensor array analyses of exhaled breath. Am J Respir Crit Care Med 171:1286–1291 DOI: 10.1164/rccm.200409-1184OC
Bai S, Guo T, Zhao Y, Sun J, Li D, Chen A, Liu C (2014) Sensing performance and mechanism of Fe-doped ZnO microflowers. Sens Actuat B Chem 195:657–666 DOI: 10.1016/j.snb.2014.01.083
Zhang C, Geng X, Liao H, Li C, Debliquy M (2017) Room-temperature nitrogen-dioxide sensors based on ZnO1−x coatings deposited by solution precursor plasma spray. Sens Actuat B Chem 242:102–111 DOI: 10.1016/j.snb.2016.11.024
Zhang C, Geng X, Li J, Luo Y, Lu P (2017) Role of oxygen vacancy in tuning of optical, electrical and NO2 sensing properties of ZnO1-x coatings at room temperature. Sens Actuat B Chem 248:886–893 DOI: 10.1016/j.snb.2017.01.105
Zhang W, Zhang W, Zhou J (2010) Solvent thermal synthesis and gas-sensing properties of Fe-doped ZnO. J Mater Sci 45:209–215. 10.1007/s10853-009-3920-y DOI: 10.1007/s10853-009-3920-y
Huang S, Wang T, Xiao Q (2015) Effect of Fe-doping on the structural and gas sensing properties of ZnO porous microspheres. J Phys Chem Solids 76:51–58 DOI: 10.1016/j.jpcs.2014.08.001
Zhang M, Zhen Y, Sun F, Xu C (2016) Hydrothermally synthesized SnO2-graphene composites for H2 sensing at low operating temperature. Mat Sci Eng B Adv 209:37–44 DOI: 10.1016/j.mseb.2015.10.009
Ji H, Zeng W, Li Y (2019) Gas sensing mechanisms of metal oxide semiconductors: a focus review. Nanoscale 11:22664–22684 DOI: 10.1039/C9NR07699A
Zhang B, Fu W, Meng X, Ruan A, Su P, Yang H (2018) Synthesis of actinomorphic flower-like SnO2 nanorods decorated with CuO nanoparticles and their improved isopropanol sensing properties. Appl Surf Sci 456:586–593 DOI: 10.1016/j.apsusc.2018.06.150
Bârsan N, Hübner M, Weimar U (2011) Conduction mechanisms in SnO2 based polycrystalline thick film gas sensors exposed to CO and H2 in different oxygen backgrounds. Sens Actuat B Chem 157:510–517 DOI: 10.1016/j.snb.2011.05.011
