| % | percentage |
| +ve | positive |
| < | less than |
| > | greater than |
| ± | plus/minus |
| ∆Rn | delta normalized reporter value |
| °C | degrees Celsius |
| µL | microliter |
| µM | micro-molar |
| 6-FAM | 6-carboxyfluorescein |
| Asp | Aspergillus |
| BHQ1 | Black Hole Quencher 1 |
| BLAST | Basic Local Alignment Search Tool |
| BMI | body mass index |
| B | bronchiectasis |
| BSI | Bronchiectasis Severity Index |
| CAT | COPD assessment test |
| COPDCF | chronic obstructive pulmonary diseaseCystic Fibrosis |
| Cqs | Quantification cycle |
| ddPCR | droplet digital PCR |
| DNA | deoxyribonucleic acid |
| FEV1 | forced expiratory volume in the first second |
| Fg | femtogram |
| FVC | forced vital capacity |
| g | gravitational force |
| HRCT | high-resolution computed tomography |
| IPC | internal positive control |
| IQR | interquartile range |
| ITS | internal transcribed spacer |
| mins | Minutes |
| Mod | modification |
| N | sample size |
| next-gen | next-generation |
| ng | nanogram |
| nM | nano-molar |
| No. | Number |
| PBS | phosphate-buffered saline |
| pg | picogram |
| Post BD | post bronchodilator |
| Pte Ltd. | Private Limited |
| qPCR | quantitative polymerase chain reaction |
| RNAi | RNA interference |
| rpm | rounds per minute |
| rRNA | ribosomal ribonucleic acid |
| Secs | Seconds |
| siRNA | small interfering ribonucleic acid |
| SNP | single nucleotide polymorphism |
| Taq | Thermus aquaticus |
| -ve | Negative |