Property and equipment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Property and equipment
Property and equipment, at cost	$ 153,962	$ 138,484
Less accumulated depreciation and amortization	(72,440)	(50,122)
Property and equipment-net	81,522	88,362
Depreciation expense	22,318	7,052
Lab equipment
Property and equipment
Property and equipment, at cost	148,704	133,226
Computer equipment
Property and equipment
Property and equipment, at cost	$ 5,258	$ 5,258