Nano silver took anti-bacteria action on both Gram negative and Grampositivebacteria, the anti- bacteria abilities strengthened with the dosage increasing.
纳米银对革兰氏阳菌和革兰氏阴菌均有抗菌作用，抗菌性能随用量的增多而增强。
2
Such organisms are so named because they don't pick up the purplish dye used in the test to distinguish them from gram-positivebacteria.
这类细菌之所以被如此命名是因为他们和革兰氏阳性菌相比不能吸收淡紫色的染料。
3
Main purposes: disinfection antisepsis drugs, with a strong broad-spectrum antimicrobial, bactericidal effect on gram-positivebacteria and Gram-negative bacteria are effective.