Advanced OINDP Characterization

Advanced OINDPMicrostructure & Particle Characterization

SEM | EDS | Optical Microscopy | Residue Mapping | Foreign Matter Profiling

OINDPs (Orally Inhaled and Nasal Drug Products) are specialized drug-device combinations that deliver medications directly to the respiratory tract or nasal passages. This category includes pressurized metered-dose inhalers (pMDIs), dry powder inhalers (DPIs), nebulizers, inhalation sprays (e.g. soft-mist), and nasal sprays/powders. These products enable targeted therapy: for example, asthma and COPD treatments use inhalers, while intranasal sprays treat allergic rhinitis or deliver drugs to the brain (e.g. migraine or emergency therapies). OINDPs bypass first-pass metabolism and often achieve rapid onset; modern designs range from simple propellant-driven aerosols to sophisticated nano-carrier formulations for deep lung or nasal delivery. By enabling precise particle sizing and controlled release, OINDPs open opportunities in both local and systemic therapies (Parkinson’s, diabetes, etc.), making them a high-value focus in pharmaceutical R&D.

As a scientific R&D partner, Nishka Research brings deep analytical and problem-solving expertise to OINDP projects. We help pharmaceutical and device developers reverse-engineer, formulate, and troubleshoot inhalation and nasal products with evidence-based rigor. Our in-house laboratories feature a Hitachi FE-SEM S-4800 with Oxford X-Max 20 EDS for high-resolution imaging and elemental analysis – ideal for examining micronized drug particles, spray nozzle orifice wear, and any particulate contaminants. DSC and TGA instruments allow us to analyze the thermal profile of excipients or detect moisture uptake in powders. Though we do not offer chromatography, we collaborate with trusted labs to provide assay, impurity profiling, and inhaler propellant analysis.

Send us a request

Our OINDP microstructure platform helps teams understand:

How particles look like after drying and deposition
How morphology changes across stability, stress and actuation frequency
Whether foreign matter is drug-derived, device-derived, or environmental
How generic vs RLD deposition differs at a microscopic level

This is the science behind better formulation decisions and stronger regulatory submissions.

Our Expertise include deep Microstructure Insight Across All OINDP Categories

We offer a comprehensive microscopy (Stereo zoom microscope, Optical microscope, Fe-SEM) and spectroscopy (EDAX) based characterization suite covering:

1. Metered Dose Inhalers (Solution & Suspension MDIs)

Post-actuation deposit particle size distribution studies with (D10, D50 and D90)
Post-actuation deposit morphology
Evaporated plume microstructure
Crystal/amorphous nature after solvent flash-off
Valve wear particles
Actuator channel residue build-up

2. Dry Powder Inhalers

Excipient & API surface topography
Adhesion–cohesion balance
Agglomeration behaviour
De-agglomeration under shear

3. Nasal Sprays & Nasal Powders

Spray plume deposition
Nozzle wear debris
Foreign matter on packaging or delivery channels

4. Nebulizers & Soft-Mist Inhalers

Device-generated particles
Surface roughness and corrosion mapping
Deposited solid microstructure during aerosolization

Each category demands a different analytical approach, and Nishka Research’s method development ensures that the output is scientifically defendable and relevant to regulatory expectations.

Why ChooseNishka Research

Whether you’re optimizing a DPI blend, comparing your MDI to an RLD, evaluating nasal spray deposition, or investigating a foreign particulate issue, Nishka Research provides comprehensive data which your product development deserves.

Looking for a trusted partner to achieve your research goals? schedule a meeting with us, send us a request, or call us at +91 78427 98518 to learn more about our services and how we can support you.

Request a Quote