Wissenschaftliche Publikationen
Originalarbeiten in wissenschaftlichen
Fachzeitschriften:
- Bernardi S, Continenza MA, Al-Ahmad A, Karygianni L, Follo M, Filippi A, Macchiarelli G: Streptococcus spp. and Fusobacterium nucleatum in tongue dorsum biofilm from halitosis patients: a fluorescence in situ hybridization (FISH) and confocal laser scanning microscopy (CLSM study New Microbiol, 2019; 42: 108-113.
- Bernardi S, Karygianni L, Filippi A, Anderson AC, Zurcher A, Hellwig E, Vach K, Macchiarelli G, Al-Ahmad A: Combining culture and culture-independent methods reveals new microbial composition of halitosis patients' tongue biofilm. Microbiologyopen, 2019 (online): e958-e958. : http://dx.doi.org/10.1002/mbo3.958
- Burchard T, Karygianni L, Hellwig E, Follo M, Wrbas T, Wittmer A, Vach K, Al-Ahmad A: Inactivation of oral biofilms using visible light and water-filtered infrared A radiation and indocyanine green. Future Med Chem, 2019; 11 (14): 1721-1739. : http://dx.doi.org/10.4155/fmc-2018-0522
- Burtscher S, Krieg P, Killinger A, Al-Ahmad A, Seidenstücker M, Latorre SH, Bernstein A: Thin Degradable Coatings for Optimization of
Osteointegration Associated with Simultaneous
Infection Prophylaxis Materials, 2019; 12 (online): 3495.
- Cieplik1 F, Jakubovics NS, Buchalla1 W, Maisch T, Hellwig E, Al-Ahmad A: Resistance Toward Chlorhexidine in
Oral Bacteria – Is There Cause
for Concern?
Front Microbiol, 2019; 10 (587) (online).
- Doll PW, Wolf M, Guttmann M, Thelen R, Ahrens R, Spindler B, Guber AE, Al-Ahmad A: Initial Bacterial Adhesion Properties of Anodically Oxidized Ti6Al4V. Conf Proc IEEE Eng Med Biol Soc, 2019; 2019: 6476-6480. : http://dx.doi.org/10.1109/EMBC.2019.8857956
- Doll PW, Wolf M, Guttmann M, Thelen R, Ahrens R, Spindler B, Guber AE, Al-Ahmad A: Initial Bacterial Adhesion Properties of Anodically Oxidized Ti6Al4V. Conf Proc IEEE Eng Med Biol Soc, 2019; 2019: 6476-6480. : http://dx.doi.org/10.1109/EMBC.2019.8857956
- Karygianni L, Cecere M, Argyropoulou A, Hellwig E, Skaltsounis AL, Wittmer A, Tchorz JP, Al-Ahmad A: Compounds from Olea europaea and Pistacia lentiscus inhibit oral microbial growth. Bmc Complem Altern M, 2019; 19 (1): 51-51. : http://dx.doi.org/10.1186/s12906-019-2461-4
- Kruse AB, Akakpo DL, Maamar R, Woelber JP, Al-Ahmad A, Vach K, Ratka-Krueger P: Trehalose powder for subgingival air-polishing during periodontal maintenance therapy: A randomized controlled trial. J Periodontol, 2019; 90 (3): 263-270. : http://dx.doi.org/10.1002/JPER.17-0403
- P W Doll, A Al-Ahmad, A Bacher, A Muslija, R Thelen, L Hahn, R Ahrens, B Spindler, A E Guber1: Fabrication of silicon nanopillar arrays by electron beam lithography and reactive ion etching for advanced bacterial adhesion studies Mater Res Express, 2019; 6 (065402) (online).
- Vollmer A, Al-Ahmad A, Argyropoulou A, Thurnheer T, Hellwig E, Attin T, Vach K, Wittmer A, Ferguson K, Skaltsounis AL, Karygianni L: Antimicrobial Photoinactivation Using Visible Light Plus Water-Filtered Infrared-A (VIS + wIRA) and Hypericum Perforatum Modifies In Situ Oral Biofilms. Sci Rep-uk, 2019; 9 (1): 20325-20325. : http://dx.doi.org/10.1038/s41598-019-56925-7
- Widyaya VT, Muller C, Al-Ahmad A, Lienkamp K: Three-Dimensional, Bifunctional Microstructured Polymer Hydrogels Made from Polyzwitterions and Antimicrobial Polymers. Langmuir, 2019; 35 (5): 1211-1226. : http://dx.doi.org/10.1021/acs.langmuir.8b03410
- Woelber JP, Gartner M, Breuninger L, Anderson A, Konig D, Hellwig E, Al-Ahmad A, Vach K, Dotsch A, Ratka-Kruger P, Tennert C: The influence of an anti-inflammatory diet on gingivitis. A randomized controlled trial. J Clin Periodontol, 2019; 46 (4): 481-490. : http://dx.doi.org/10.1111/jcpe.13094
- Al-Ahmad A, Muzafferiy F, Anderson AC, Wolber JP, Ratka-Kruger P, Fretwurst T, Nelson K, Vach K, Hellwig E: Shift of microbial composition of peri-implantitis-associated oral biofilm as revealed by 16S rRNA gene cloning. J Med Microbiol, 2018; 67 (3): 332-340. : http://dx.doi.org/10.1099/jmm.0.000682
- Anderson AC, Andisha H, Hellwig E, Jonas D, Vach K, Al-Ahmad A: Antibiotic Resistance Genes and Antibiotic Susceptibility of Oral Enterococcus faecalis Isolates Compared to Isolates from Hospitalized Patients and Food Adv Exp Med Biol, 2018; 1057: 47-62. : https://doi.org/10.1007/5584_2017_53
- Anderson AC, Rothballer M, Altenburger MJ, Woelber JP, Karygianni L, Lagkouvardos I, Hellwig E, Al-Ahmad A: In-vivo shift of the microbiota in oral biofilm in response to frequent sucrose consumption. Sci Rep-uk, 2018; 8 (1): 14202-14202. : http://dx.doi.org/10.1038/s41598-018-32544-6
- Hickl J, Argyropoulou A, Sakavitsi ME, Halabalaki M, Al-Ahmad A, Hellwig E, Aligiannis N, Skaltsounis AL, Wittmer A, Vach K, Karygianni L: Mediterranean herb extracts inhibit microbial growth of representative oral microorganisms and biofilm formation of Streptococcus mutans. Plos One, 2018; 13 (12): e0207574-e0207574. : http://dx.doi.org/10.1371/journal.pone.0207574
- Hulsdunker J, Ottmuller KJ, Neeff HP, Koyama M, Gao Z, Thomas OS, Follo M, Al-Ahmad A, Prinz G, Duquesne S, Dierbach H, Kirschnek S, Lammermann T, Blaser MJ, Fife BT, Blazar BR, Beilhack A, Hill GR, Hacker G, Zeiser R: Neutrophils provide cellular communication between ileum and mesenteric lymph nodes at graft-versus-host disease onset. Blood, 2018; 131 (16): 1858-1869. : http://dx.doi.org/10.1182/blood-2017-10-812891
- Kruse AB, Kuerschner AC, Kunze M, Woelber JP, Al-Ahmad A, Wittmer A, Vach K, Ratka-Krueger P: Association between high risk for preterm birth and changes in gingiva parameters during pregnancy-a prospective cohort study. Clin Oral Invest, 2018; 22 (3): 1263-1271. : http://dx.doi.org/10.1007/s00784-017-2209-9
- Kurowska M, Widyaya VT, Al-Ahmad A, Lienkamp K: Surface-Attached Poly(oxanorbornene) Hydrogels with Antimicrobial and Protein-Repellent Moieties: The Quest for Simultaneous Dual Activity Materials, 2018; 11 (online): 1411.
- Vlachojannis C, Chrubasik-Hausmann S, Hellwig E, Vach K, Al-Ahmad A.: Activity of preparations from Spilanthes oleracea, propolis, Nigella sativa, and black garlic on different microorganisms involved in oral diseases and on total human salivary bacteria: A pilot study. Phytother Res, 2018; 32: 1992-2001.
- Altmann B *, Karygianni L *, Al-Ahmad A, Butz F, Bächle M, Erik Adolfsson E, Fürderer T, Courtois N, Palmero P, Follo M, Chevalier J, Steinberg T *, Kohal R *: Assessment of Novel Long-Lasting Ceria-Stabilized
Zirconia-Based Ceramics with Different Surface
Topographies as Implant Materials Adv Funct Mater, 2017; 27 (40) (online): 1702512. : http://dx.doi.org/10.1002/adfm.201702512
- Cieplik F, Buchalla W, Hellwig E, Al-Ahmad A, Hiller KA, Maisch T, Karygianni L: Antimicrobial photodynamic therapy as an adjunct for treatment of deep carious lesions-a systematic review. Photodiagn Photodyn, 2017; 18: 54-62. : http://dx.doi.org/10.1016/j.pdpdt.2017.01.005
- Kurowska M, Eickenscheidt A, Guevara-Solarte DL, Widyaya VT, Marx F, Al-Ahmad A, Lienkamp K: A Simultaneously Antimicrobial, Protein-Repellent, and Cell-Compatible Polyzwitterion Network. Biomacromolecules, 2017; 18 (4): 1373-1386. : http://dx.doi.org/10.1021/acs.biomac.7b00100
- Luginbühl M, Weinmann W, Al-Ahmad A: Introduction of sample tubes with sodium azide as a preservative for ethyl glucuronide in urine Int J Legal Med, 2017; 131: 1283-1289.
- Tennert C, Schurig T, Al-Ahmad A, Strobel SL, Kielbassa AM, Wrbas KT: Antimicrobial influence of different root canal filling techniques in experimentally infected human root canals. Quintessence Int, 2017; 48 (4): 273-280. : http://dx.doi.org/10.3290/j.qi.a37129
- Al-Ahmad A, Auschill TM, Dakhel R, Wittmer A, Pelz K, Heumann C, Hellwig E, Arweiler NB: Prevalence of Candida albicans and Candida dubliniensis in caries-free and caries-active children in relation to the oral microbiota-a clinical study Clin Oral Invest, 2016; 20: 1963-1971.
- Al-Ahmad A, Karygianni L, Schulze Wartenhorst M, Bächle M, Hellwig E, Follo M, Vach K, Han JS: Bacterial adhesion and biofilm formation on yttria-stabilized, tetragonal zirconia and titanium oral implant materials with low surface roughness - an in situ study
J Med Microbiol, 2016; 65: 596-604. : http://dx.doi.org/10.1099/jmm.0.000267
- Al-Ahmad A, Walankiewicz A, Hellwig E, Follo M, Tennert T, Wittmer A, Karygianni L: Photoinactivation Using Visible Light Plus Water-Filtered Infrared-A (vis+wIRA) and Chlorine e6 (Ce6) eradicates Planktonic Periodontal Pathogens and Subgingival Biofilms Front Microbiol, 2016; 7 (online): 1900. : http://dx.doi.org/10.3389/fmicb.2016.01900
- Anderson AC, Jonas D, Huber I, Karygianni L, Wölber J, Hellwig E, Arweiler N, Vach K, Wittmer A, Al-Ahmad A: Enterococcus faecalis from Food, Clinical Specimens, and Oral Sites: Prevalence of Virulence Factors in Association with Biofilm Formation Front Microbiol, 2016; 6 (online): 1534. : http://dx.doi.org/10.3389/fmicb.2015.01534
- Argyropoulou A, Karygianni L, Bartels N, Aligiannis N, Al-Ahmad A, Hellwig E, Wittmer A, Skaltsounis AL: In vitro antimicrobial potential of representative Mediterranean plant extracts against oral microorganisms. Planta Med, 2016; 81 Suppl. 01: S1-S381. : http://dx.doi.org/10.1055/s-0036-1596304
- Boch T, Tennert C, Vach K, Al-Ahmad A, Hellwig E, Polydorou O: Effect of gaseous ozone on Enterococcus faecalis biofilm-an in vitro study. Clin Oral Invest, 2016; 20 (7): 1733-1739. : http://dx.doi.org/10.1007/s00784-015-1667-1
- Dorner F, Malek-Luz A, Saar JS, Bonaus S, Al-Ahmad A, Lienkamp K: Synthetic Mimics of Antimicrobial Peptides (SMAMPs) in Layer-by-Layer Architectures – Possibilities and Limitations Macromol Chem Phys, 2016; 217: 2154-2164.
- Hertel S, Graffy L, Pötschke S, Basche S, Al-Ahmad A, Hoth-Hannig W, Hannig M, Hannig C: Effect of Inula viscosa on the pellicle’s protective properties and initial bioadhesion in-situ Arch Oral Biol, 2016; 71: 87-96. : http://dx.doi.org/10.1016/j.archoralbio.2016.07.006
- Karygianni L, Al-Ahmad A, Argyropoulou A, Hellwig E, Anderson AC, Skaltsounis AL: Natural Antimicrobials and Oral Microorganisms: A Systematic Review on Herbal Interventions for the Eradication of Multispecies Oral Biofilms Front Microbiol, 2016; 6 (online): 1529.
- Schienle S, Al-Ahmad A, Kohal RJ, Bernsmann F, Adolfsson E, Montanaro L, Palmero P, Furderer T, Chevalier J, Hellwig E, Karygianni L: Microbial adhesion on novel yttria-stabilized tetragonal zirconia (Y-TZP) implant surfaces with nitrogen-doped hydrogenated amorphous carbon (a-C:H:N) coatings. Clin Oral Invest, 2016; 20 (7): 1719-1732. : http://dx.doi.org/10.1007/s00784-015-1655-5
- Vlachojannis C, Al-Ahmad A, Hellwig E, Chrubasik S: Listerine(R) Products: An Update on the Efficacy and Safety. Phytother Res, 2016; 30 (3): 367-373. : http://dx.doi.org/10.1002/ptr.5555
- Woelber JP, Bremer K, Vach K, Konig D, Hellwig E, Ratka-Kruger P, Al-Ahmad A, Tennert C: An oral health optimized diet can reduce gingival and periodontal inflammation in humans - a randomized controlled pilot study. Bmc Oral Health, 2016; 17 (1) (online): 28. : http://dx.doi.org/10.1186/s12903-016-0257-1
- Al-Ahmad A, Bucher M, Anderson AC, Tennert C, Hellwig E, Wittmer A, Vach K, Karygianni L: Antimicrobial Photoinactivation Using Visible Light Plus Water-Filtered Infrared-A (VIS + wIRA) Alters In Situ Oral Biofilms. Plos One, 2015; 10 (7) (online): e0132107. : http://dx.doi.org/10.1371/journal.pone.0132107
- Dorner F, Boschert D, Schneider A, Hartleb W, Al-Ahmad A, Lienkamp K: Toward Self-Regenerating Antimicrobial Polymer Surfaces Acs Macro Lett, 2015; 4: 1337-1340. : http://dx.doi.org/10.1021/acsmacrolett.5b00686
- Karygianni L, Al-Ahmad A, Argyropoulou A, Hellwig E, Anderson AC, Skaltsounis AL: Natural Antimicrobials and Oral Microorganisms: A Systematic Review on Herbal Interventions for the Eradication of Multispecies Oral Biofilms. Front Microbiol, 2015; 6: 1529-1529. : http://dx.doi.org/10.3389/fmicb.2015.01529
- Karygianni L, Al-Ahmad A, Argyropoulou A, Hellwig E, Anderson AC, Skaltsounis AL: Natural Antimicrobials and Oral Microorganisms: A Systematic Review on Herbal Interventions for the Eradication of Multispecies Oral Biofilms. Front Microbiol, 2015; 6: 1529-1529. : http://dx.doi.org/10.3389/fmicb.2015.01529
- Karygianni L, Al-Ahmad A, Argyropoulou A, Hellwig E, Anderson AC, Skaltsounis AL: Natural Antimicrobials and Oral Microorganisms: A Systematic Review on Herbal Interventions for the Eradication of Multispecies Oral Biofilms. Front Microbiol, 2015; 6: 1529-1529. : http://dx.doi.org/10.3389/fmicb.2015.01529
- Karygianni L, Al-Ahmad A, Argyropoulou A, Hellwig E, Anderson AC, Skaltsounis AL: Natural Antimicrobials and Oral Microorganisms: A Systematic Review on Herbal Interventions for the Eradication of Multispecies Oral Biofilms. Front Microbiol, 2015; 6: 1529-1529. : http://dx.doi.org/10.3389/fmicb.2015.01529
- Karygianni L, Al-Ahmad A, Argyropoulou A, Hellwig E, Anderson AC, Skaltsounis AL: Natural Antimicrobials and Oral Microorganisms: A Systematic Review on Herbal Interventions for the Eradication of Multispecies Oral Biofilms. Front Microbiol, 2015; 6: 1529-1529. : http://dx.doi.org/10.3389/fmicb.2015.01529
- Karygianni L, Anderson AC, Tennert C, Kollmar K, Altenburger MJ, Hellwig E, Al-Ahmad A: Supplementary sampling of obturation materials enhances microbial analysis of endodontic treatment failures: a proof of principle study. Clin Oral Invest, 2015; 19 (2): 319-327. : http://dx.doi.org/10.1007/s00784-014-1231-4
- Tennert C, Drews AM, Walther V, Altenburger MJ, Karygianni L, Wrbas KT, Hellwig E, Al-Ahmad A: Ultrasonic activation and chemical modification of photosensitizers enhances the effects of photodynamic therapy against Enterococcus faecalis root-canal isolates. Photodiagn Photodyn, 2015; 12: 244-251. : http://dx.doi.org/10.1016/j.pdpdt.2015.02.002
- Vlachojannis C, Chrubasik-Hausmann S, Hellwig E, Al-Ahmad A: A Preliminary Investigation on the Antimicrobial Activity of Listerine(R), Its Components, and of Mixtures Thereof. Phytother Res, 2015; 29 (10): 1590-1594. : http://dx.doi.org/10.1002/ptr.5399
- Zou P, Laird D, Riga EK, Deng Z, Dorner F, Perez-Hernandez H-R, Guevara-Solarte DL, Steinberg T, Al-Ahmad A, Lienkamp K: Antimicrobial and cell-compatible surface-attached
polymer networks – how the correlation
of chemical structure to physical and biological
data leads to a modified mechanism of action J Mater Chem B, 2015; 3: 6224-6238.
- Abouassi T, Hannig C, Mahncke K, Karygianni L, Wolkewitz M, Hellwig E, Al-Ahmad A: Does human saliva decrease the antimicrobial activity of chlorhexidine against oral bacteria? BMC Res Notes, 2014; 7 (1): 711-711. : http://dx.doi.org/10.1186/1756-0500-7-711
- Al-Ahmad A, Ameen H, Pelz K, Karygianni L, Wittmer A, Anderson AC, Spitzmuller B, Hellwig E: Antibiotic Resistance and Capacity for Biofilm Formation of Different Bacteria Isolated from Endodontic Infections Associated with Root-filled Teeth. J Endodont, 2014; 40 (2): 223-230. : http://dx.doi.org/10.1016/j.joen.2013.07.023
- Al-Ahmad A, Zou P, Solarte DL, Hellwig E, Steinberg T, Lienkamp K: Development of a Standardized and Safe Airborne Antibacterial Assay, and Its Evaluation on Antibacterial Biomimetic Model Surfaces. Plos One, 2014; 9 (10): e111357-e111357. : http://dx.doi.org/10.1371/journal.pone.0111357
- Anderson A, Sanunu M, Schneider C, Clad A, Karygianni L, Hellwig E, Al-Ahmad A: Rapid species-level identification of vaginal and oral lactobacilli using MALDI-TOF MS analysis and 16S rDNA sequencing. Bmc Microbiol, 2014; 14 (online): 312. : http://dx.doi.org/10.1186/s12866-014-0312-5
- Arweiler NB, Netuschil L, Beier D, Grunert S, Heumann C, Altenburger MJ, Sculean A, Nagy K, Al-Ahmad A, Auschill TM: Action of food preservatives on 14-days dental biofilm formation, biofilm vitality and biofilm-derived enamel demineralisation in situ. Clin Oral Invest, 2014; 18 (3): 829-838. : http://dx.doi.org/10.1007/s00784-013-1053-9
- Ganter P, Al-Ahmad A, Wrbas KT, Hellwig E, Altenburger MJ: The use of computer-assisted FACE for minimal-invasive caries excavation. Clin Oral Invest, 2014; 18 (3): 745-751. : http://dx.doi.org/10.1007/s00784-013-1022-3
- Karygianni L, Cecere M, Skaltsounis AL, Argyropoulou A, Hellwig E, Aligiannis N, Wittmer A, Al-Ahmad A: High-Level Antimicrobial Efficacy of Representative Mediterranean Natural Plant Extracts against Oral Microorganisms. Biomed Res Int, 2014; 2014 (online): 839019. : http://dx.doi.org/10.1155/2014/839019
- Karygianni L, Hellwig E, Al-Ahmad A: Multiplex Fluorescence In Situ Hybridization (M-FISH) and Confocal Laser Scanning Microscopy (CLSM) to Analyze Multispecies Oral Biofilms. Methods Mol Biol, 2014; 1147: 65-72. : http://dx.doi.org/10.1007/978-1-4939-0467-9_5
- Karygianni L, Ruf S, Follo M, Hellwig E, Bucher M, Anderson AC, Vach K, Al-Ahmad A: Novel Broad-Spectrum Antimicrobial Photoinactivation of In Situ Oral Biofilms by Visible Light plus Water-Filtered Infrared A Appl Environ Microb, 2014; 80 (23): 7324-7336. : http://10.1128/AEM.02490-14
- Klai S, Altenburger M, Spitzmüller B, Anderson A, Hellwig E, Al-Ahmad A: Antimicrobial Effects of Dental Luting Glass Ionomer Cements on Streptococcus mutans. Sci World J, 2014; 2014 (online): 807086. : http://dx.doi.org/10.1155/2014/807086
- Tennert C, Feldmann K, Haamann E, Al-Ahmad A, Follo M, Wrbas KT, Hellwig E, Altenburger MJ: Effect of photodynamic therapy (PDT) on Enterococcus faecalis biofilm in experimental primary and secondary endodontic infections. Bmc Oral Health, 2014; 14 (1) (online): 132. : http://dx.doi.org/10.1186/1472-6831-14-132
- Tennert C, Fuhrmann M, Wittmer A, Karygianni L, Altenburger MJ, Pelz K, Hellwig E, Al-Ahmad A: New Bacterial Composition in Primary and Persistent/Secondary Endodontic Infections with Respect to Clinical and Radiographic Findings. J Endodont, 2014; 40 (5): 670-677. : http://dx.doi.org/10.1016/j.joen.2013.10.005
- Al-Ahmad A, Tennert C, Karygianni L, Wrbas KT, Hellwig E, Altenburger MJ: Antimicrobial photodynamic therapy using visible light plus water-filtered infrared-A (wIRA). J Med Microbiol, 2013; 62 (Pt 3): 467-473. : http://dx.doi.org/10.1099/jmm.0.048843-0
- Al-Ahmad A, Wiedmann-Al-Ahmad M, Fackler A, Follo M, Hellwig E, Bachle M, Hannig C, Han JS, Wolkewitz M, Kohal R: In vivo study of the initial bacterial adhesion on different implant materials. Arch Oral Biol, 2013; 58 (9): 1139-1147. : http://dx.doi.org/10.1016/j.archoralbio.2013.04.011
- Al-Ahmad A *, Laird D, Zou P, Tomakidi P *, Steinberg T *, Lienkamp K *: Nature-Inspired Antimicrobial Polymers – Assessment of Their Potential for Biomedical Applications. Plos One, 2013; 8 (9) (online): e73812. : http://dx.doi.org/10.1371/journal.pone.0073812
- Anderson AC, Al-Ahmad A, Elamin F, Jonas D, Mirghani Y, Schilhabel M, Karygianni L, Hellwig E, Rehman A: Comparison of the bacterial composition and structure in symptomatic and asymptomatic endodontic infections associated with root-filled teeth using pyrosequencing. Plos One, 2013; 8 (12) (online): e84960. : http://dx.doi.org/10.1371/journal.pone.0084960
- Hannig C, Basche S, Burghardt T, Al-Ahmad A, Hannig M: Influence of a mouthwash containing hydroxyapatite microclusters on bacterial adherence in situ. Clin Oral Invest, 2013; 17 (3): 805-814. : http://dx.doi.org/10.1007/s00784-012-0781-6
- Hannig C, Kirsch J, Al-Ahmad A, Kensche A, Hannig M, Kümmerer K: Do edible oils reduce bacterial colonization of enamel in situ? Clin Oral Invest, 2013; 17 (2): 649-658.
- Karygianni L, Jähnig A, Schienle S, Bernsmann F, Adolfsson E, Kohal R, Chevalier J, Hellwig E, Al-Ahmad A: Initial Bacterial Adhesion on Different Yttria-Stabilized
Tetragonal Zirconia Implant Surfaces in Vitro Materials, 2013; 6: 5659-5674.
- Reich M, Kummerer K, Al-Ahmad A, Hannig C: Fatty Acid profile of the initial oral biofilm (pellicle): an in-situ study. Lipids, 2013; 48 (9): 929-937. : http://dx.doi.org/10.1007/s11745-013-3822-2
- Sauerbier S, Gutwald R, Wiedmann-Al-Ahmad M, Wolkewitz M, Haberstroh J, Obermeyer J, Kuenz A, Betz H, Wolter F, Duttenhofer F, Schmelzeisen R, Nagursky H, Proksch S, Al-Ahmad A: Effect of gabapentin-lactam and gamma-aminobutyric acid/lactam analogs on proliferation and phenotype of ovine mesenchymal stem cells. Int J Oral Max Impl, 2013; 28 (5) (online): e230-e238. : http://dx.doi.org/10.11607/jomi.te02
- Tawakoli PN, Al-Ahmad A, Hoth-Hannig W, Hannig M, Hannig C: Comparison of different live/dead stainings for detection and quantification of adherent microorganisms in the initial oral biofilm. Clin Oral Invest, 2013; 17 (3): 841-850. : http://dx.doi.org/10.1007/s00784-012-0792-3
- Al-Ahmad A, Kurschner A, Weckesser S, Wittmer A, Rauberger H, Jakob T, Hellwig E, Kist M, Waidner B: Is Helicobacter pylori resident or transient in the human oral cavity? J Med Microbiol, 2012; 61 (Pt 8): 1146-1152. : http://dx.doi.org/10.1099/jmm.0.043893-0
- Anderson AC, Hellwig E, Vespermann R, Wittmer A, Schmid M, Karygianni L, Al-Ahmad A: Comprehensive analysis of secondary dental root canal infections: a combination of culture and culture-independent approaches reveals new insights. Plos One, 2012; 7 (11) (online): e49576. : http://dx.doi.org/10.1371/journal.pone.0049576
- Karygianni L, Follo M, Hellwig E, Burghardt D, Wolkewitz M, Anderson A, Al-Ahmad A: Microscope-based imaging platform for large-scale analysis of oral biofilms. Appl Environ Microb, 2012; 78 (24): 8703-8711. : http://dx.doi.org/10.1128/AEM.02416-12
- Karygianni L, Wiedmann-Al-Ahmad M, Finkenzeller G, Sauerbier S, Wolkewitz M, Hellwig E, Al-Ahmad A: Enterococcus faecalis affects the proliferation and differentiation of ovine osteoblast-like cells. Clin Oral Invest, 2012; 16 (3): 879-887. : http://dx.doi.org/10.1007/s00784-011-0563-6
- Kimmerle H, Wiedmann-Al-Ahmad M, Pelz K, Wittmer A, Hellwig E, Al-Ahmad A: Airborne microbes in different dental environments in comparison to a public area. Arch Oral Biol, 2012; 57 (6): 689-696. : http://dx.doi.org/10.1016/j.archoralbio.2011.11.012
- Proksch S, Steinberg T, Keller C, Wolkewitz M, Wiedmann-Al-Ahmad M, Finkenzeller G, Hannig C, Hellwig E, Al-Ahmad A: Human saliva exposure modulates bone cell performance in vitro. Clin Oral Invest, 2012; 16 (1): 69-77. : http://dx.doi.org/10.1007/s00784-010-0506-7
- Redondo AH, Korber C, Konig S, Langin A, Al-Ahmad A, Weinmann W: Inhibition of bacterial degradation of EtG by collection as dried urine spots (DUS). Anal Bioanal Chem, 2012; 402 (7): 2417-2424. : http://dx.doi.org/10.1007/s00216-011-5687-7
- Reich M, Hannig C, Al-Ahmad A, Bolek R, Kummerer K: A comprehensive method for determination of fatty acids in the initial oral biofilm (pellicle). J Lipid Res, 2012; 53 (10): 2226-2230. : http://dx.doi.org/10.1194/jlr.D026260
- Al-Ahmad A, Schubert C, Carvalho C, Thoman Y, Wittmer A, Metzger M, Hellwig E, Swieszkowski W, Wiedmann-Al-Ahmad M: Comparison of bacterial adhesion and cellular proliferation on newly developed three-dimensional scaffolds manufactured by rapid prototyping technology. J Biomed Mater Res A, 2011; 98 (2): 303-311. : http://dx.doi.org/10.1002/jbm.a.33118
- Sauerbier S, Gutwald R, Wiedmann-Al-Ahmad M, Wolkewitz M, Haberstroh J, Obermeyer J, Kuenz A, Betz H, Wolter F, Duttenhöfer F, Schmelzeisen R, Nagursky H, Proksch S, Al-Ahmad A: Effect of Gabapentin-Lactam and Gamma-Aminobutyric Acid/Lactam Analogs on Proliferation and Phenotype of Ovine Mesenchymal Stem Cells Oral & Craniofacial Tissue Engineering, 2011; 1 (1): 20-28.
- Senges C, Wrbas KT, Altenburger M, Follo M, Spitzmuller B, Wittmer A, Hellwig E, Al-Ahmad A: Bacterial and Candida albicans adhesion on different root canal filling materials and sealers. J Endodont, 2011; 37 (9): 1247-1252. : http://dx.doi.org/10.1016/j.joen.2011.05.034
- Al-Ahmad A, Maier J, Follo M, Spitzmuller B, Wittmer A, Hellwig E, Hubner J, Jonas D: Food-borne enterococci integrate into oral biofilm: an in vivo study. J Endodont, 2010; 36 (11): 1812-1819. : http://dx.doi.org/10.1016/j.joen.2010.08.011
- Al-Ahmad A, Roth D, Wolkewitz M, Wiedmann-Al-Ahmad M, Follo M, Ratka-Kruger P, Deimling D, Hellwig E, Hannig C: Change in diet and oral hygiene over an 8-week period: effects on oral health and oral biofilm. Clin Oral Invest, 2010; 14 (4): 391-396. : http://dx.doi.org/10.1007/s00784-009-0318-9
- Al-Ahmad A, Wiedmann-Al-Ahmad M, Deimling D, Jaser C, Pelz K, Wittmer A, Ratka-Krüger P: An antimicrobial effect from silver-coated toothbrush heads Am J Dent, 2010; 23: 251-254.
- Al-Ahmad A, Wiedmann-Al-Ahmad M, Faust J, Bachle M, Follo M, Wolkewitz M, Hannig C, Hellwig E, Carvalho C, Kohal R: Biofilm formation and composition on different implant materials in vivo. J Biomed Mater Res B, 2010; 95 (1): 101-109. : http://dx.doi.org/10.1002/jbm.b.31688
- Hannig C, Spitzmuller B, Lux HC, Altenburger M, Al-Ahmad A, Hannig M: Efficacy of enzymatic toothpastes for immobilisation of protective enzymes in the in situ pellicle. Arch Oral Biol, 2010; 55 (7): 463-469. : http://dx.doi.org/10.1016/j.archoralbio.2010.03.020
- Jung DJ, Al-Ahmad A, Follo M, Spitzmüller B, Hoth-Hannig W, Hannig M, Hannig C: Visualization of initial bacterial colonization on dentine and enamel in situ J Microbiol Meth, 2010; 81 (2): 166-174. : http://dx.doi.org/10.1016/j.mimet.2010.03.002
- Kümmerer K, Al-Ahmad A: Estimation of the cancer risk to humans resulting from the presence of cyclophosphamide and ifosfamide in surface water. Environ Sci Pollut R, 2010; 17 (2): 486-496. : http://dx.doi.org/10.1007/s11356-009-0195-4
- Al-Ahmad A, Follo M, Selzer AC, Hellwig E, Hannig M, Hannig C: Bacterial colonization of enamel in situ investigated using fluorescence in situ hybridization. J Med Microbiol, 2009; 58 (Pt 10): 1359-1366. : http://dx.doi.org/10.1099/jmm.0.011213-0
- Al-Ahmad A, Haiss A, Unger J, Brunswick-Tietze A, Wiethan J, Kummerer K: Effects of a realistic mixture of antibiotics on resistant and nonresistant sewage sludge bacteria in laboratory-scale treatment plants. Arch Environ Con Tox, 2009; 57 (2): 264-273. : http://dx.doi.org/10.1007/s00244-008-9259-6
- Al-Ahmad A, Muller N, Wiedmann-Al-Ahmad M, Sava I, Hubner J, Follo M, Schirrmeister J, Hellwig E: Endodontic and salivary isolates of Enterococcus faecalis integrate into biofilm from human salivary bacteria cultivated in vitro. J Endodont, 2009; 35 (7): 986-991. : http://dx.doi.org/10.1016/j.joen.2009.04.013
- Halter CC, Laengin A, Al-Ahmad A, Wurst FM, Weinmann W, Kuemmerer K: Assessment of the stability of the ethanol metabolite ethyl sulfate in standardised degradation tests. Forensic Sci Int, 2009; 186 (1-3): 52-55. : http://dx.doi.org/10.1016/j.forsciint.2009.01.009
- Hannig C, Sorg J, Spitzmuller B, Hannig M, Al-Ahmad A: Polyphenolic beverages reduce initial bacterial adherence to enamel in situ. J Dent, 2009; 37 (7): 560-566. : http://dx.doi.org/10.1016/j.jdent.2009.03.017
- Sauerbier S, Palmowski M, Vogeler M, Nagursky H, Al-Ahmad A, Fisch D, Hennig J, Schmelzeisen R, Gutwald R, Fasol U: Onset and maintenance of angiogenesis in biomaterials: in vivo assessment by dynamic contrast-enhanced MRI. Tissue Eng Part C Methods, 2009; 15 (3): 455-462. : http://dx.doi.org/10.1089/ten.tec.2008.0626
- Schirrmeister JF, Liebenow AL, Pelz K, Wittmer A, Serr A, Hellwig E, Al-Ahmad A: New bacterial compositions in root-filled teeth with periradicular lesions. J Endodont, 2009; 35 (2): 169-174. : http://dx.doi.org/10.1016/j.joen.2008.10.024
- Al-Ahmad A, Pelz K, Schirrmeister JF, Hellwig E, Pukall R: Characterization of the first oral vagococcus isolate from a root-filled tooth with periradicular lesions. Curr Microbiol, 2008; 57 (3): 235-238.
- Al-Ahmad A, Wiedmann-Al-Ahmad M, Auschill TM, Follo M, Braun G, Hellwig E, Arweiler NB: Effects of commonly used food preservatives on biofilm formation of Streptococcus mutans in vitro. Arch Oral Biol, 2008; 53 (8): 765-772.
- Al-Ahmad A, Wiedmann-Al-Ahmad M, Carvalho C, Lang M, Follo M, Braun G, Wittmer A, Mulhaupt R, Hellwig E: Bacterial and Candida albicans adhesion on rapid prototyping-produced 3D-scaffolds manufactured as bone replacement materials. J Biomed Mater Res A, 2008; 87 (4): 933-943.
- Arweiler NB, Lenz R, Sculean A, Al-Ahmad A, Hellwig E, Auschill TM: Effect of food preservatives on in situ biofilm formation. Clin Oral Invest, 2008; 12 (3): 203-208.
- Hannig C, Spitzmuller B, Al-Ahmad A, Hannig M: Effects of Cistus-tea on bacterial colonization and enzyme activities of the in situ pellicle. J Dent, 2008; 36 (7): 540-545.
- Schmitt SC, Wiedmann-Al-Ahmad M, Kuschnierz J, Al-Ahmad A, Huebner U, Schmelzeisen R, Gutwald R: Comparative in vitro study of the proliferation and growth of ovine osteoblast-like cells on various alloplastic biomaterials manufactured for augmentation and reconstruction of tissue or bone defects. J Mater Sci-mater M, 2008; 19 (3): 1441-1450.
- Thierauf A, Serr A, Halter CC, Al-Ahmad A, Rana S, Weinmann W: Influence of preservatives on the stability of ethyl glucuronide and ethyl sulphate in urine. Forensic Sci Int, 2008; 182 (1-3): 41-45. : http://dx.doi.org/10.1016/j.forsciint.2008.09.011
- Al-Ahmad A, Wunder A, Auschill TM, Follo M, Braun G, Hellwig E, Arweiler NB: The in vivo dynamics of Streptococcus spp., Actinomyces naeslundii, Fusobacterium nucleatum and Veillonella spp. in dental plaque biofilm as analysed by five-colour multiplex fluorescence in situ hybridization. J Med Microbiol, 2007; 56 (Pt 5): 681-687.
- Hannig C, Hannig M, Rehmer O, Braun G, Hellwig E, Al-Ahmad A: Fluorescence microscopic visualization and quantification of initial bacterial colonization on enamel in situ. Arch Oral Biol, 2007; 52 (11): 1048-1056.
- Itthichaisri C, Wiedmann-Al-Ahmad M, Huebner U, Al-Ahmad A, Schoen R, Schmelzeisen R, Gellrich NC: Comparative in vitro study of the proliferation and growth of human osteoblast-like cells on various biomaterials. J Biomed Mater Res A, 2007; 82 (4): 777-787.
- Schirrmeister JF, Liebenow AL, Braun G, Wittmer A, Hellwig E, Al-Ahmad A: Detection and Eradication of Microorganisms in Root-filled Teeth Associated With Periradicular Lesions: An In Vivo Study. J Endodont, 2007; 33 (5): 536-540.
- Wagner M, Kiapur N, Wiedmann-Al-Ahmad M, Hubner U, Al-Ahmad A, Schon R, Schmelzeisen R, Mulhaupt R, Gellrich NC: Comparative in vitro study of the cell proliferation of ovine and human osteoblast-like cells on conventionally and rapid prototyping produced scaffolds tailored for application as potential bone replacement material. J Biomed Mater Res A, 2007; 83 (4): 1154-1164.
- Al-Ahmad A, Auschill TM, Braun G, Hellwig E, Arweiler NB: Overestimation of Streptococcus mutans prevalence by nested PCR detection of the 16S rRNA gene. J Med Microbiol, 2006; 55: 109-113.
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