Vibrational Investigations of Silver-Doped Hydroxyapatite with Antibacterial Properties

Table 1

The results of the qualitative screening of the antimicrobial activity of Ag:HAp compounds against different gram-positive and gram-negative bacteria, as well as fungal strains.

Microbial strains			𝑥Ag = 0	𝑥Ag = 0.4	𝑥Ag = 0.5
Gram-negative strains	Enterobacteriaceae; family	E.  coli ATCC 25922	−	+	±
		E.  coli 714	−	−	±
		K.  pneumoniae 2968	−	+	+
		E.  cloacae 61R	−	+	+
	Pseudomonadaceae; family	P.  aeruginosa 1397	±	+	±
Gram-positive strains	Bacillaceae family	B.  subtilis	−	±	±
	Streptococcaceae family	E.  faecalis ATCC 29212	−	−	−
	Micrococcaceae family	S.  aureus 0364	−	+	+
Fungal strain		C.  krusei 963	+	+	+