Demo first, mole concept second
The single ordering change that fixed my Grade 11 results — and why most textbooks run the reaction backwards.
Read note →
01 · Ground state
— Sujata Pradhan
Everything is chemistry. Everything.
Laboratory technologist with ten years in NABL-accredited diagnostic and hospital labs, specialising in clinical biochemistry and immunoassay. Runs fully automated analysers, manages internal and external quality control, and supervises a shift of five technicians.
01CuCuriosity · highly reactive
01RgRigor · forms strong bonds
01PtPatience · noble catalyst
01JyJoy · glows under pressure
02 · Reagent shelf
Stocked & standardised
Fourteen years of chemistry, physical to organic — all analytical grade.
Or
Clinical biochemistry
Or
Immunoassay analysers
Or
Internal QC and Westgard rules
Or
External quality assessment
Or
NABL documentation
Or
Calibration and maintenance
Or
LIS and result validation
Or
Reagent inventory
Or
Shift supervision
Or
Training juniors
03 · Reaction pathway
Lower the activation energy
Chemistry has a reputation problem: children meet it as a wall of equations before they ever see anything change colour. I run it in the right order. First the flash, the smell, the precipitate — then the mole concept arrives as the grammar of something they've already witnessed. Lower the activation energy and every student reacts.
- IgniteEvery unit opens with a demonstration — flame tests, clock reactions, something that visibly happens.
- QuestionWhy did it turn blue? Why the fizz? Students write hypotheses before touching theory.
- FormaliseNow equations, moles and mechanisms — as the notation for what the bench just showed.
- TitrateBoard and NEET-grade problem practice, error logs, and one lab skill certified per term.
04 · The titration
Fourteen years to endpoint
Senior Laboratory Technologist
NABL-accredited regional diagnostic laboratory
Supervise the night shift of five technicians processing samples from 60 collection centres across Odisha. Run fully automated biochemistry and immunoassay analysers, including thyroid, vitamin and cardiac marker panels.
4 years
Laboratory Technician
300-bed private hospital
Handled emergency samples in biochemistry and haematology, reporting critical values to doctors by phone. Performed blood grouping and cross-matching for the hospital blood storage centre.
1 year
Junior Lab Technician
Pathology lab
Prepared and stained slides for routine pathology and microbiology tests. Maintained sample registers and dispatched reports to referring doctors.
05 · Bonds formed
Education
B.Sc. in Medical Laboratory Technology
Government medical college paramedical wing
06 · Purity certificates
Certifications
IB
Registered Medical Laboratory…
IB
Internal Auditor training on ISO 15189
IB
Biomedical Waste Management, certified…
07 · Noble gases
Stable, inert, undeniable
Au
Best Chemistry Teacher — Tamil NaduState sahodaya teaching awards
2024Au
278 NEET/JEE qualifiers mentoredChemistry stream, Chettinad Vidyashram
2017–Au
Weekly-practical model adopted district-wideFeatured in CBSE best-practice circular
2022Au
Published — 'The Ester Business'Teacher Plus, on entrepreneurial stoichiometry
2023
08 · Lab notes
JUN 2026 MAR 2026 NOV 2025
Recorded observations
The error log method
NEET chemistry rewards students who autopsy their mistakes. A simple notebook system that compounds.
Read note →In defence of the smelly lab
Esters, sulphides and the pedagogical value of a room that smells like actual chemistry happened in it.
Read note →
09 · Litmus tests
All indicators positive
LITMUS 1 · TURNED PINK
My daughter now explains why onions make you cry, at length, with diagrams, to guests. Dr. Venkat has created a monster and we love her.
Meenakshi's fatherPARENT · GR 12LITMUS 1 · TURNED PINK
Weekly practicals sounded like a logistics nightmare. She made it run like clockwork, and our science admissions enquiries doubled.
PrincipalCHETTINAD VIDYASHRAMLITMUS 1 · TURNED PINK
I got through NEET organic because she taught mechanisms like gossip — who attacks whom, and why. I'm in med school. It still works.
RahulALUMNUS · MBBS, JIPMER
10 · For schools
The synthesis brief
⚗️ SESSION 2027–28 · ONE DEMO CLASS: I BRING THE FLAME-TEST KIT, YOU BRING THE SCEPTICS
Current employerNABL-accredited regional diagnostic laboratory
Current roleSenior Laboratory Technologist, NABL-accredited regional…
Open toPGT Chemistry · HOD Science · NEET/olympiad programme lead
Expected salary₹13–17 LPA
Notice period60 days
Willing to relocateYes — Chennai, Bengaluru, Hyderabad · CBSE / ICSE / IB DP
Principal, Chettinad VidyashramCURRENT EMPLOYER · SHARED ON REQUEST
HOD Science, PSBB2013–17 · SHARED ON REQUEST
11 · Bond with me