Quats-mimicking antimicrobial compounds for safer cleaning and disinfection formulations
Computationally identified antimicrobial actives that mimic the molecular backbone of quaternary ammonium compounds (QUATS) while reducing toxicity and environmental impact. Designed as drop-in alternatives for disinfectants and cleaning agents, delivering equivalent germ-killing performance with improved safety and formulation flexibility.
Overview
Quaternary ammonium compounds (QUATS) are widely used active ingredients in disinfectants and cleaning products, but prolonged and large-scale use has been linked to health concerns, microbial resistance, and ecological harm. This research proposes a new class of QUATS-mimicking antimicrobial compounds that retain the proven germ-killing efficacy of QUATS while offering lower toxicity and improved environmental compatibility. The approach targets formulators of household cleaners, industrial disinfectants, healthcare sanitizers, and personal care products who need safer actives without sacrificing performance or formulation flexibility.
Technical specifications
- Backbone-based design: Identified the common molecular backbone shared across 11 widely used QUATS structures using 3D structural analysis from NCBI PubChem and the ZINC database.
- Pharmacophore screening: Screened approximately 1.2 million compounds from the Goldilocks database against the QUATS pharmacophore model to find molecules that replicate the essential structural features.
- Shortlisting criteria: Selected five top candidates based on fit scores and five additional candidates based on probability scores approaching 1, yielding ten lead molecules for further evaluation.
- Mechanism of action: Mimicking compounds are expected to disrupt microbial cell membranes, denature essential proteins, and inactivate energy-producing enzymes, replicating QUATS germ-killing behavior.
- Preliminary validation: Lead molecules have been evaluated using in-vitro MIC and IC50 assays, confirming antimicrobial activity.
- Lead candidates under investigation: ZINC000048276424, ZINC000067742815, ZINC000218987177, ZINC000067742812, ZINC000306135945, ZINC000584893706, ZINC000011935816, ZINC000065385469, ZINC000091486770, and ZINC000189045065.
Technology readiness level
The technology is at an early-to-mid stage of development. Computational screening and preliminary in-vitro antimicrobial testing have been completed, confirming activity of shortlisted candidates. The next phase involves in-vitro formulation studies across flexible cleaning and disinfection formats, with target disinfection times of 5 to 20 minutes. A four-month validation timeline is planned to identify the most stable and effective germ-killing active suitable for further product development and scale-up.
About R.V. College of Engineering
RV College of Engineering (RVCE) is an autonomous, self‑financing engineering institution in Bengaluru, affiliated to Visvesvaraya Technological University and accredited NAAC A+. It connects to industry through an active Industry Institute Interaction Cell, 150+ MoUs, and co‑located, industry‑sponsored labs and Centers of Excellence that enable joint training, prototyping, and upskilling on campus. Proximity to Bengaluru’s technology cluster supports internships, capstone co‑supervision, and consultancy engagements throughout the year. Research here is supported by competitive national programs and industry, including DRDO/NRB, AICTE, and ISRO collaborations. An IP Coordination Cell, together with incubation resources and a student‑run Entrepreneurship Development Cell, assists with patenting, licensing, and venture formation.
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