 	PRIMARY KEY (nanoparticle_entity_pk_id, file_pk_id),
 	KEY (file_pk_id),
 	KEY (nanoparticle_entity_pk_id)
-) 
+) TYPE=InnoDB
 ;
 
 

	FOREIGN KEY (physical_state_pk_id) REFERENCES characterization (characterization_pk_id)
;

ALTER TABLE nanoparticle_entity ADD CONSTRAINT FK_nanoparticle_entity_composition 
	FOREIGN KEY (composition_pk_id) REFERENCES composition (composition_pk_id)
;

ALTER TABLE functionalizing_entity ADD CONSTRAINT FK_functionalizing_entity_activation_method 
	FOREIGN KEY (activation_method_pk_id) REFERENCES activation_method (activation_method_pk_id)
;

	particle_sample_pk_id BIGINT NULL,
	PRIMARY KEY (composition_pk_id),
	UNIQUE (composition_pk_id),
	KEY (particle_sample_pk_id)
) TYPE=InnoDB
;
