上海西宝生物现货抗生素系列，如G418 ，链脲佐菌素，伊曲康唑，利福平，杆菌肽
<h2>现货供应抗生素系列，如G418 ，链脲佐菌素，伊曲康唑，利福平，杆菌肽</h2><div class="t_msgfont" id="postmessage_26134">上海西宝<span class="t_tag" href="http://bbs.ibioo.com/tag.php?name=%C9%FA%CE%EF">生物</span>现货抗生素系列 (更多系列, 欢迎来电 13817370083 或访问网站<a target="_blank" href="http://www.cxbio.com/">www.cxbio.com</a> )<br/>
货号 品名 促销价 纯度/备注<br/>
101550 放线菌酮,Actidione 990.0/1g Seebio,抑制<span class="t_tag" href="http://bbs.ibioo.com/tag.php?name=%BD%CD%C4%B8">酵母</span>的<span class="t_tag" href="http://bbs.ibioo.com/tag.php?name=%B5%B0%B0%D7">蛋白</span>合成.<br/>
101553 放线菌酮D(更生霉素),Actinomycin D 1870/10mg 溶解于乙醇稀释存储,抑制转录,特异性结合<span class="t_tag" href="http://bbs.ibioo.com/tag.php?name=DNA">DNA</span>的DG(3’5’)DC部位.<br/>
345810▲* G-418 (>700U/mg) 280.0/1g 分子遗传中常用的筛选<span class="t_tag" href="http://bbs.ibioo.com/tag.php?name=%CA%D4%BC%C1">试剂</span><br/>
106763▲* 氨苄青霉素钠,Ampicillin sodium 75.0/ 5 g Seebio,抑制细菌的细胞壁形成.<br/>
106765▲* 羧苄青霉素钠,Carbenicillin disodium 335.0/1g Seebio,抑制农杆菌属的生长,抑制肽聚的交联.<br/>
118167* 氯霉素,Chloramphenicol 120.0/25g Seebio,抑制蛋白酶的合成.<br/>
135141* 强力霉素,Doxycycline 168.0/1g Seebio,盐酸盐.<br/>
161990▲* 制霉菌素,Nystatinum 120.0/100mg Seebio;>4400U/mg<br/>
157061▲ 丝裂霉素C; Mictomycin C 580/2mg Seebio,DNA合成抑制剂.<br/>
123290 细胞色素C; Cytochrome C 950.0/500mg <br/>
121281 秋水仙碱; Colchicine 560.0/1g <br/>
159101▲* 新霉素<span class="t_tag" href="http://bbs.ibioo.com/tag.php?name=%C1%F2%CB%E1">硫酸</span>盐,Neomycin sulfate 98.0/25g Seebio,抑制<span class="t_tag" href="http://bbs.ibioo.com/tag.php?name=%B5%B0%B0%D7%D6%CA">蛋白质</span>合成.<br/>
106750▲* 两性霉素B ,Amphotericin B 160.0/10mg Seebio<br/>
117877▲* 头孢噻肟钠(噻孢霉素钠),Cefotaxime sodium 115.0/25g Seebio,抑制肽聚糖的交联,用在植物转化时杀死植物组织中的农杆菌,抑制革兰氏阳性菌和革兰氏阴性菌,抗B-内酰胺酶<br/>
179535 四环素,Hetracyclin HCl 110/5g Seebio,抑制细菌蛋白质合成,溶于乙醇,不溶于水.<br/>
108861 杆菌肽,Bacitracin 268.0/5Ku Seebio<br/>
161276▲* 卡莫司汀；Carmustine 1100./100mg >97.0%<br/>
177295▲* 链脲佐菌素 Streptozotocin 450.0/500mg >99.5%, Biotechnology<br/>
117879* 头孢曲松钠 Ceftriaxone Sodium 238.0/ 5 g >99.0%, Biotechnology<br/>
158893▲* 头孢唑啉钠 Cefazolin Sodium 298.0/ 5 g >99.0%, Biotechnology<br/>
172390▲* 利福平 Rifampicin (Rifampin) 350.0/ 5 g >97.0~102.0%,USP Grade<br/>
152585* 氧氟沙星 Ofloxacin 690.0/ 25 g >98.5~101.5%<br/>
108348* 盐酸环丙沙星 613.0/ 5 g > 98.0~102.0%<br/>
152589 盐酸氧氟沙星 (-)-Ofloxacin HCl 338.0/ 1 g >98.5%(dry)<br/>
115061* 硫酸卡那霉素 Kanamycin Sulfate 90.0/5g >681U/mg<br/>
140913* 硫酸庆大霉素 Gentamycin Sulfate 125.0/5g 590mcg/mg<br/>
177290 硫酸链霉素 78.0/25g 766 U/mg<br/>
118167 氯霉素 Chloramphenicol 150.0/ 5 g >99.0% ,USP Grade<br/>
130948 罗红霉素 Roxithromycin 88.0/ 5 g >97%,Biotechnology<br/>
103465 伊曲康唑 Itraconazole 810.0/100mg >99.0%<br/>
100657* 氟康唑 Fluconazole 755.0/250mg Purity, >98.5%(TLC)<br/>
106621* 阿莫西林 Amoxicillin 150.0/ 5 g >98.0% ,USP Grade<br/>
122492* 酮康唑 Ketoconazole 750.0/250mg >98.0% ,USP Grade<br/>
124715* 盐酸洛美沙星 Loniefloxacin 980.0/ 5 g >98.0% ,USP Grade<br/>
136121* 红霉素 Erythromycin 95.0/ 5 g >850ug/mg<br/>
150527 盐酸克林霉素 Clindamycin Hydrochloride 160.0/ 5 g >98.0% ,USP Grade<br/>
163157 磷霉素钠 Fosfomycin Sodium 165.0/ 5 g >98.0% ,USP Grade<br/>
162637* 苯唑西林钠 Oxacillin Sodium 349.0/ 1 g Purity, >90.0%(TCL)<br/>
166743* 哌拉西林 Piperacillin 850.0/1g >98.0% ,USP Grade<br/>
166745* 哌拉西林钠 Piperacillin Sodium 750.0/1g >98.0% ,USP Grade<br/>
168403* 克拉维酸钾 Potassium Clavulanate Standard 890.0/1g >98.0% ,USP Grade<br/>
172672* 盐酸左旋咪唑 Levamisole Hydrochloride 656/10g >98.0% ,USP Grade<br/>
150525 盐酸林可霉素 Lincomycin Hydrochloride 670.0/5g Purity, >95.0%(TCL)<br/>
168405 克林霉素盐酸盐 Clindamycin hydrochloride 650.0/1g >98.0% ,USP Grade<br/>
109815* 阿齐霉素 Azithromycin 680.0/5g 945~1030μg/mg<br/>
151950 DL-苹果酸 DL-Malic Acid 180.0/50g <br/>
152023 盐酸大麦芽碱（样品） 680.0/5g<br/>
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杨宏伟 13817370083<br/>
上海西宝生物科技有限公司 <br/>
地址: 上海市张江高科技园区(第一上海中心)毕升路299弄11-502<br/>
电话:021-50272975/76/77/78转6220<br/>
E-mail:yy@cxbio.com<br/>
http: <a target="_blank" href="http://www.cxbio.com/">www.cxbio.com</a>——西宝生物网</div>
[此贴子已经被作者于2008-7-17 22:12:45编辑过] 以上产品，现货供应，欢迎联系<br/>上海西宝生物科技有限公司 杨宏伟 13817370083<br/> 地址: 上海市张江高科技园区(第一上海中心)毕升路299弄11-502<br/> 邮政编码: 201204 <br/> 电话:021-50272975/76/77/78转6220<br/> E-mail:yy@cxbio.com<br/> http: www.seebio.cn<br/> http: www.cxbio.com——西宝生物网<br/> <span class="oblog_text"><font size="3" color="#000000"><b>G418的用途及配制方法</b></font>
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<p><strong><font size="3"><font color="#230a29"><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';">G418 </span><span style="font-size: 10.5pt; font-family: 宋体;">：白色粉末，融点</span><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';">138</span><span style="font-size: 10.5pt; font-family: 宋体;">～</span><st1chmetcnv unitname="℃" sourcevalue="144" hasspace="False" negative="False" numbertype="1" tcsc="0" wst="on"><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';">144</span><span style="font-size: 10.5pt; font-family: 宋体;">℃</span></st1chmetcnv><span style="font-size: 10.5pt; font-family: 宋体;">，溶于水、甲醇。</span></font></font></strong></p>
<p><strong><font size="3"><font color="#230a29"><span> CAS No.</span><span style="font-size: 10.5pt; font-family: 宋体;">：</span></font></font></strong><strong><font size="3"><font color="#230a29"><span>108321-42-2<br/></span><span style="font-size: 10.5pt; font-family: 宋体;">分子式</span><span style="font-size: 10.5pt; font-family: 'Times New Roman';">
</span><span style="font-size: 10.5pt; font-family: 宋体;">：</span><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';">C20H40N4O10 ?2H2SO4 </span><span style="font-size: 10.5pt; font-family: 宋体;">分子量</span><span style="font-size: 10.5pt; font-family: 'Times New Roman';">
</span><span style="font-size: 10.5pt; font-family: 宋体;">：</span><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';">692.71</span></font></font></strong><font size="3"><font color="#230a29"><strong><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';"> <br/></span><span style="font-size: 10.5pt; font-family: 宋体;">比旋：</span><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';">+104o</span><span style="font-size: 10.5pt; font-family: 宋体;">～</span><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';">+121o </span><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';"> </span><span style="font-size: 10.5pt; font-family: 宋体;">水分：</span><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';">≤10% </span><span style="font-size: 10.5pt; font-family: 宋体;">吸光值：</span></strong><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';"><strong>≤0.015 (280nm,1mg/ml), ≤0.1 (570nm, 100mg/ml)</strong></span></font></font></p>
<p><font size="3"><font color="#230a29"><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';"></span></font></font></p><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Times New Roman';">
<p align="left" class="MsoNormal" style="margin: 0cm 0cm 0pt; background: rgb(249, 252, 254) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; text-indent: 20pt; line-height: 150%; text-align: left;"><font color="#b822dd"><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;"><font size="5">G418</font></span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">是一种氨基糖类抗生素，其结构与新霉素、庆大霉素、卡那霉素相似，它通过影响</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;">80S</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">核糖体功能而阻断蛋白质合成</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;">,</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">对原核和真核等细胞都有毒性</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;"> ,</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">包括细菌、酵母</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">、植物和哺乳动物细胞</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;"> ,</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">也包括原生动物和蠕虫。是稳定转染最常用的选择试剂</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">。当</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;">neo</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">基因被整合进真核细胞基因组</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">合适的地方后</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;"> ,</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">则能启动</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;">neo</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">基因编码的序列转录为</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;">mRNA,</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">从而获得抗性产物氨基糖苷磷酸转移酶的高效表达</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;"> ,</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">使细胞获得抗性而能在含有Ｇ</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;">418</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">的选择性培养基中生长。Ｇ</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;">418</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">的这一选择特性</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;"> ,</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">已在基因转移、基因敲除、抗性筛选以及转基因动物</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">等方面得以广泛应用。</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;"><span> </span>G418</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">有杀菌作用</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;">,</span></span><span class="MsoHyperlink"><span lang="EN-US" style="font-size: 10pt; line-height: 150%; font-family: Tahoma;">
</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">本身有很好的杀菌效果，在用</span></span><span class="java"><span lang="EN-US" style="font-size: 10pt; color: black; line-height: 150%; font-family: Tahoma;">G418</span></span><span class="java"><span style="font-size: 10pt; color: black; line-height: 150%; font-family: 宋体;">进行筛选的过程中很少会发生污染.</span></span></font></p></span></span></span>
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