實驗室顯色培養(yǎng)基系列產(chǎn)品優(yōu)點(diǎn)與不足之處

<p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><font face="宋體">培養(yǎng)基的種類繁多，用處、用法不同，各具長處，然而也有一些缺乏的當(dāng)?shù)?。我公司技術(shù)人員專門對試驗室顯色培育基系列產(chǎn)品剖析出了長處與缺乏之處，它運(yùn)用不同種屬細(xì)菌代謝所發(fā)生的酶的特異性，在培育基中參加相應(yīng)的特異性酶底物和抑制劑，當(dāng)具有某特異酶的細(xì)菌與酶底物作用時，使顯色基團(tuán)游離出來附著于菌落上，構(gòu)成色彩獨(dú)特的菌落。依據(jù)菌落的色彩直接對菌屬</font>(<font face="宋體">種</font><font face="Calibri">)</font><font face="宋體">作出鑒定。</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">一、運(yùn)用優(yōu)勢：</span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">1.<font face="宋體">迅速、簡潔、節(jié)省時間</font><font face="Calibri">-</font><font face="宋體">大多數(shù)顯色培育基只需在樣品增菌后，別離培育</font><font face="Calibri">18~24h</font><font face="宋體">，即可依據(jù)菌落的色彩作出開始的鑒定。</font><font face="Calibri">(</font><font face="宋體">陰性棄去，陽性則進(jìn)一步鑒定</font><font face="Calibri">)</font><font face="宋體">。</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">2.<font face="宋體">成果直觀，一望而知</font><font face="Calibri">(</font><font face="宋體">依據(jù)色彩斷定成果</font><font face="Calibri">)</font><font face="宋體">。</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">3.<font face="宋體">靈敏度高、特異性強(qiáng)，大大減少了后續(xù)的鑒定步驟</font><font face="Calibri">(</font><font face="宋體">確證試驗</font><font face="Calibri">)</font><font face="宋體">。</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">二、有哪些缺乏？</span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">1.<font face="宋體">假陽性：</font><font face="Calibri">97%</font><font face="宋體">的大腸埃希氏菌含有&beta;</font><font face="Calibri">-</font><font face="宋體">葡萄糖苷酶，約</font><font face="Calibri">10%</font><font face="宋體">的沙門氏菌屬中也含有此酶。</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">2.<font face="宋體">假陰性：</font><font face="Calibri">O157</font><font face="宋體">：</font><font face="Calibri">H7</font><font face="宋體">大腸埃希氏菌不發(fā)生&beta;</font><font face="Calibri">-</font><font face="宋體">葡萄糖苷酶。別的，不是一切具有特征性酶的微生物均在含底物的培育基中陽性反應(yīng)。</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">與一般選擇性培育基對比，顯色培育基的假陽性、假陰性的機(jī)率相對要低得多。</span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">別的，定期質(zhì)控的辦法應(yīng)當(dāng)推行至新購入的培育基，以確保所用試劑的質(zhì)量安穩(wěn)，進(jìn)而確保試驗成果的安穩(wěn)和精確。</span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">&nbsp;</span></p>