技术优势1、PMT高灵(ling)敏度检测器(qi)；2、可(ke)搭配不同功率光源；3、双列直插式电极和样品(pin)池，可(ke)反(fan)复(fu)使(shi)用成千上万次；4、钯电极；5、精确度高，接近样品(pin)真实(shi)值；6、复(fu)合(he)型算法(fa)：高斯（Gaussion）单(dan)峰(feng)算法(fa)与Nicomp多(duo)(duo)峰(feng)算法(fa)自由切(qie)换；相(xiang)位分(fen)析(xi)法(fa)（PALS)和频谱分(fen)析(xi)法(fa)（FALS）自由切(qie)换；7、快速检测，可(ke)以(yi)追溯(su)历(li)史数(shu)据；8、结(jie)果数(shu)据以(yi)多(duo)(duo)种(zhong)形式和格式呈(cheng)现；9、符合(he)USP,CP等个多(duo)(duo)药(yao)典要求(qiu)；10、无需(xu)校准；11、模(mo)块(kuai)化设计便于维护和升(sheng)级；（1）可(ke)自动(dong)稀释模(mo)块(kuai)（选配）；（2）搭配多(duo)(duo)角度检测器(qi)（选配）；（3）自动(dong)进(jin)样系(xi)(xi)统（选配）；Nicomp 380 系(xi)(xi)列纳(na)米(mi)激光粒(li)度仪(yi)(yi) 专为复(fu)杂(za)体系(xi)(xi)提供高精度粒(li)度解析(xi)方案。广东常(chang)见zeta电位及纳(na)米(mi)粒(li)度仪(yi)(yi)技术指(zhi)导

Nicomp多(duo)(duo)(duo)(duo)峰(feng)(feng)分(fen)(fen)布(bu)概念：基线调整(zheng)自动补偿功能和(he)高分(fen)(fen)辨率(lv)多(duo)(duo)(duo)(duo)峰(feng)(feng)算(suan)法(fa)是Nicomp380系(xi)列仪器(qi)的(de)(de)(de)(de)(de)两个主要特(te)点，Nicomp创(chuang)始(shi)人DaveNicole很(hen)早就认识到传(chuan)(chuan)统的(de)(de)(de)(de)(de)动态光散(san)射(she)(she)理论只给出高斯模式(shi)的(de)(de)(de)(de)(de)粒(li)(li)(li)度分(fen)(fen)布(bu)，这和(he)实(shi)(shi)践生产生活(huo)中不相(xiang)符，因为(wei)现(xian)实(shi)(shi)中很(hen)多(duo)(duo)(duo)(duo)样(yang)本是多(duo)(duo)(duo)(duo)分(fen)(fen)散(san)体系(xi)，非单(dan)分(fen)(fen)散(san)体系(xi)，而且高斯分(fen)(fen)布(bu)灵(ling)(ling)敏(min)性不足(zu)，分(fen)(fen)辨率(lv)不高，这些特(te)点都(dou)制约了纳米(mi)粒(li)(li)(li)度仪在实(shi)(shi)际(ji)生产生活(huo)中的(de)(de)(de)(de)(de)使用(yong)。其(qi)开创(chuang)的(de)(de)(de)(de)(de)Nicomp多(duo)(duo)(duo)(duo)峰(feng)(feng)分(fen)(fen)布(bu)理论，提高了动态光散(san)射(she)(she)理论的(de)(de)(de)(de)(de)分(fen)(fen)辨率(lv)和(he)灵(ling)(ling)敏(min)性。Nicomp多(duo)(duo)(duo)(duo)峰(feng)(feng)分(fen)(fen)布(bu)优势(shi)Nicomp系(xi)列仪器(qi)均可以(yi)自由在Gaussian分(fen)(fen)布(bu)模式(shi)和(he)Nicomp多(duo)(duo)(duo)(duo)峰(feng)(feng)分(fen)(fen)布(bu)模式(shi)中切换。其(qi)不只可以(yi)给出传(chuan)(chuan)统的(de)(de)(de)(de)(de)DLS系(xi)统的(de)(de)(de)(de)(de)结果，更可以(yi)通过Nicomp多(duo)(duo)(duo)(duo)峰(feng)(feng)分(fen)(fen)布(bu)模式(shi)体现(xian)样(yang)品(pin)(pin)的(de)(de)(de)(de)(de)真实(shi)(shi)情况(kuang)。依(yi)托(tuo)于Nicomp系(xi)列仪器(qi)一系(xi)列优异(yi)的(de)(de)(de)(de)(de)算(suan)法(fa)和(he)高灵(ling)(ling)敏(min)性的(de)(de)(de)(de)(de)硬(ying)件(jian)设计(ji)，Nicomp纳米(mi)激光粒(li)(li)(li)度仪可以(yi)有效区分(fen)(fen)1:2的(de)(de)(de)(de)(de)多(duo)(duo)(duo)(duo)分(fen)(fen)散(san)体系(xi)。zeta电(dian)位及纳米(mi)粒(li)(li)(li)度仪售(shou)后(hou)服务技(ji)术优势(shi)：3、双列直插式(shi)电(dian)极和(he)样(yang)品(pin)(pin)池，可反复使用(yong)成千上(shang)万(wan)次。

Nicomp多(duo)(duo)(duo)峰分(fen)(fen)(fen)(fen)(fen)(fen)布(bu)概(gai)念：基线调整自动补偿(chang)功能和(he)高(gao)(gao)分(fen)(fen)(fen)(fen)(fen)(fen)辨(bian)率多(duo)(duo)(duo)峰算法是Nicomp380系(xi)(xi)列仪器的(de)(de)两个主要特点，Nicomp创始人DaveNicole很早就认识(shi)到传统的(de)(de)动态(tai)光散(san)射理(li)论只给出高(gao)(gao)斯(si)模(mo)式的(de)(de)粒度分(fen)(fen)(fen)(fen)(fen)(fen)布(bu)，这和(he)实(shi)践(jian)生产生活(huo)中(zhong)(zhong)不(bu)相(xiang)符，因为现实(shi)中(zhong)(zhong)很多(duo)(duo)(duo)样本(ben)是多(duo)(duo)(duo)分(fen)(fen)(fen)(fen)(fen)(fen)散(san)体系(xi)(xi)，非单分(fen)(fen)(fen)(fen)(fen)(fen)散(san)体系(xi)(xi)，而且(qie)高(gao)(gao)斯(si)分(fen)(fen)(fen)(fen)(fen)(fen)布(bu)灵(ling)(ling)敏性(xing)(xing)不(bu)足，分(fen)(fen)(fen)(fen)(fen)(fen)辨(bian)率不(bu)高(gao)(gao)，这些特点都(dou)制(zhi)约(yue)了(le)纳(na)米(mi)粒度仪在实(shi)际生产生活(huo)中(zhong)(zhong)的(de)(de)使用。其(qi)开创的(de)(de)Nicomp多(duo)(duo)(duo)峰分(fen)(fen)(fen)(fen)(fen)(fen)布(bu)理(li)论，提高(gao)(gao)了(le)动态(tai)光散(san)射理(li)论的(de)(de)分(fen)(fen)(fen)(fen)(fen)(fen)辨(bian)率和(he)灵(ling)(ling)敏性(xing)(xing)。Nicomp多(duo)(duo)(duo)峰分(fen)(fen)(fen)(fen)(fen)(fen)布(bu)优势Nicomp系(xi)(xi)列仪器均可(ke)以(yi)(yi)自由在Gaussian分(fen)(fen)(fen)(fen)(fen)(fen)布(bu)模(mo)式和(he)Nicomp多(duo)(duo)(duo)峰分(fen)(fen)(fen)(fen)(fen)(fen)布(bu)模(mo)式中(zhong)(zhong)切换。其(qi)不(bu)只可(ke)以(yi)(yi)给出传统的(de)(de)DLS系(xi)(xi)统的(de)(de)结果，更可(ke)以(yi)(yi)通(tong)过(guo)Nicomp多(duo)(duo)(duo)峰分(fen)(fen)(fen)(fen)(fen)(fen)布(bu)模(mo)式体现样品(pin)的(de)(de)真实(shi)情况。依托于Nicomp系(xi)(xi)列仪器一系(xi)(xi)列优异的(de)(de)算法和(he)高(gao)(gao)灵(ling)(ling)敏性(xing)(xing)的(de)(de)硬件(jian)设计，Nicomp纳(na)米(mi)激光粒度仪可(ke)以(yi)(yi)有效区分(fen)(fen)(fen)(fen)(fen)(fen)1:2的(de)(de)多(duo)(duo)(duo)分(fen)(fen)(fen)(fen)(fen)(fen)散(san)体系(xi)(xi)。

Zeta电(dian)(dian)(dian)(dian)(dian)势(shi)电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)原理1.什么是(shi)(shi)(shi)ZETA电(dian)(dian)(dian)(dian)(dian)势(shi)电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)：Zeta电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)（Zetapotential）是(shi)(shi)(shi)指剪切面(mian)(mian)(ShearPlane)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)，又叫电(dian)(dian)(dian)(dian)(dian)动(dong)(dong)电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)或电(dian)(dian)(dian)(dian)(dian)动(dong)(dong)电(dian)(dian)(dian)(dian)(dian)势(shi)（ζ-电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)或ζ-电(dian)(dian)(dian)(dian)(dian)势(shi)），是(shi)(shi)(shi)表征(zheng)胶(jiao)(jiao)体分(fen)散系稳(wen)定(ding)性(xing)的(de)(de)(de)重要指标。2.STERN双电(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)(zi)(zi)层(ceng)：胶(jiao)(jiao)核(he)表面(mian)(mian)拥有(you)一(yi)层(ceng)离(li)子(zi)(zi)(zi)(zi)(zi)，称(cheng)为(wei)电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)离(li)子(zi)(zi)(zi)(zi)(zi)，电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)离(li)子(zi)(zi)(zi)(zi)(zi)通过静电(dian)(dian)(dian)(dian)(dian)作用(yong)，把溶液中电(dian)(dian)(dian)(dian)(dian)荷(he)相(xiang)反(fan)的(de)(de)(de)离(li)子(zi)(zi)(zi)(zi)(zi)吸引到(dao)胶(jiao)(jiao)核(he)周围(wei)，被(bei)吸引的(de)(de)(de)离(li)子(zi)(zi)(zi)(zi)(zi)称(cheng)为(wei)反(fan)离(li)子(zi)(zi)(zi)(zi)(zi)，越(yue)靠(kao)近胶(jiao)(jiao)核(he)表面(mian)(mian)的(de)(de)(de)地(di)方(fang)反(fan)离(li)子(zi)(zi)(zi)(zi)(zi)越(yue)密(mi)集，相(xiang)反(fan)，越(yue)远的(de)(de)(de)地(di)方(fang)反(fan)离(li)子(zi)(zi)(zi)(zi)(zi)越(yue)稀(xi)疏，他们的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)荷(he)总量与(yu)电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)离(li)子(zi)(zi)(zi)(zi)(zi)相(xiang)等并且符(fu)号相(xiang)反(fan)。因此，整个胶(jiao)(jiao)团是(shi)(shi)(shi)处于电(dian)(dian)(dian)(dian)(dian)中性(xing)状(zhuang)态(tai)，而胶(jiao)(jiao)核(he)表面(mian)(mian)电(dian)(dian)(dian)(dian)(dian)势(shi)是(shi)(shi)(shi)醉高(gao)的(de)(de)(de)，根据定(ding)义Zeta电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)即为(wei)胶(jiao)(jiao)核(he)表面(mian)(mian)电(dian)(dian)(dian)(dian)(dian)势(shi)。3.DLS散射系统如何测ZETA电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)：目前测量ZETA电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)的(de)(de)(de)方(fang)法主要有(you)电(dian)(dian)(dian)(dian)(dian)泳(yong)法、电(dian)(dian)(dian)(dian)(dian)渗法、流动(dong)(dong)电(dian)(dian)(dian)(dian)(dian)位(wei)(wei)法以及超(chao)声(sheng)波法。NicompZ3000采用(yong)的(de)(de)(de)是(shi)(shi)(shi)主流的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)泳(yong)法测试ZETA。技术优势(shi)：11、模块(kuai)(kuai)化设计(ji)便于维护和升级； （1）可自动(dong)(dong)稀(xi)释模块(kuai)(kuai)（选配(pei)）。

产品(pin)(pin)优势：一、模块化设计：Nicomp380纳米(mi)激(ji)(ji)光(guang)(guang)粒(li)度仪(yi)是全(quan)球(qiu)率(lv)(lv)先(xian)在应用(yong)动(dong)(dong)态光(guang)(guang)散射技术上(shang)的(de)(de)(de)基础上(shang)加入多模块方法的(de)(de)(de)先(xian)进粒(li)度仪(yi)。随着模块的(de)(de)(de)升级和增加，Nicomp380的(de)(de)(de)功(gong)能体系(xi)越来(lai)越强(qiang)大(da)，可(ke)以(yi)(yi)(yi)用(yong)于各(ge)种(zhong)复杂体系(xi)的(de)(de)(de)检测(ce)分(fen)析(xi)。二、自(zi)动(dong)(dong)稀释模块（选配）：自(zi)动(dong)(dong)稀释模块消除了(le)人工稀释高浓度样品(pin)(pin)带来(lai)的(de)(de)(de)误差，且(qie)不(bu)(bu)需要(yao)人工不(bu)(bu)断试(shi)(shi)(shi)错来(lai)获得合适的(de)(de)(de)测(ce)试(shi)(shi)(shi)浓度，这(zhei)缩短了(le)测(ce)试(shi)(shi)(shi)者宝贵(gui)时(shi)(shi)(shi)间，且(qie)无需培训(xun)，测(ce)试(shi)(shi)(shi)结(jie)果重(zhong)现性(xing)(xing)好，误差率(lv)(lv)＜1%。 三(san)、380/HPLD大(da)功(gong)率(lv)(lv)激(ji)(ji)光(guang)(guang)器(qi)：美国PSS粒(li)度仪(yi)公司在开(kai)发仪(yi)器(qi)的(de)(de)(de)过程(cheng)中，考虑到(dao)在各(ge)种(zhong)极(ji)端实验测(ce)试(shi)(shi)(shi)条(tiao)件(jian)中不(bu)(bu)同(tong)(tong)的(de)(de)(de)需求，对(dui)不(bu)(bu)同(tong)(tong)使用(yong)条(tiao)件(jian)和环境配置了(le)不(bu)(bu)同(tong)(tong)功(gong)率(lv)(lv)的(de)(de)(de)激(ji)(ji)光(guang)(guang)发生器(qi)。大(da)功(gong)率(lv)(lv)的(de)(de)(de)激(ji)(ji)光(guang)(guang)器(qi)可(ke)以(yi)(yi)(yi)对(dui)极(ji)小(xiao)(xiao)的(de)(de)(de)粒(li)子(zi)也能搜集(ji)到(dao)足够的(de)(de)(de)散射信号(hao)，使得仪(yi)器(qi)能够得到(dao)极(ji)小(xiao)(xiao)粒(li)子(zi)的(de)(de)(de)粒(li)径(jing)分(fen)布。同(tong)(tong)样，大(da)功(gong)率(lv)(lv)激(ji)(ji)光(guang)(guang)器(qi)在测(ce)试(shi)(shi)(shi)大(da)粒(li)子(zi)的(de)(de)(de)时(shi)(shi)(shi)候同(tong)(tong)样也很有帮(bang)助，比如(ru)在检测(ce)右旋(xuan)糖(tang)酐大(da)分(fen)子(zi)时(shi)(shi)(shi)，折(zhe)射率(lv)(lv)的(de)(de)(de)特性(xing)(xing)会引起光(guang)(guang)散射强(qiang)度不(bu)(bu)足。因为大(da)功(gong)率(lv)(lv)激(ji)(ji)光(guang)(guang)器(qi)的(de)(de)(de)特性(xing)(xing)，会弥(mi)补散射光(guang)(guang)强(qiang)的(de)(de)(de)不(bu)(bu)足和衰减(jian)，测(ce)试(shi)(shi)(shi)极(ji)其微小(xiao)(xiao)的(de)(de)(de)微乳(ru)、表面活性(xing)(xing)剂胶束、蛋白质以(yi)(yi)(yi)及其他大(da)分(fen)子(zi)不(bu)(bu)再是一个苛刻的(de)(de)(de)难题。即使没有色谱分(fen)离，Nicomp380纳米(mi)粒(li)径(jing)分(fen)析(xi)仪(yi)甚(shen)至也可(ke)以(yi)(yi)(yi)轻易估(gu)算出生物高分(fen)子(zi)的(de)(de)(de)聚集(ji)程(cheng)度。技术优势：5、精确(que)度高，接(jie)近样品(pin)(pin)真实值。广东如(ru)何zeta电位及纳米(mi)粒(li)度仪(yi)销售(shou)电话

即使(shi)没有色谱分离，Nicomp 380纳米(mi)粒径分析(xi)仪甚至也可(ke)以(yi)轻易估算(suan)出生物高分子的聚集程度。广东常见zeta电位及纳米(mi)粒度仪技术(shu)指导

Zeta电(dian)(dian)(dian)(dian)(dian)势(shi)电(dian)(dian)(dian)(dian)(dian)位原理1.什么是ZETA电(dian)(dian)(dian)(dian)(dian)势(shi)电(dian)(dian)(dian)(dian)(dian)位：Zeta电(dian)(dian)(dian)(dian)(dian)位（Zetapotential）是指(zhi)剪切面(mian)(mian)(ShearPlane)的(de)电(dian)(dian)(dian)(dian)(dian)位，又(you)叫电(dian)(dian)(dian)(dian)(dian)动(dong)电(dian)(dian)(dian)(dian)(dian)位或(huo)电(dian)(dian)(dian)(dian)(dian)动(dong)电(dian)(dian)(dian)(dian)(dian)势(shi)（ζ-电(dian)(dian)(dian)(dian)(dian)位或(huo)ζ-电(dian)(dian)(dian)(dian)(dian)势(shi)），是表征胶体(ti)分散(san)系(xi)稳定性的(de)重要指(zhi)标。2.STERN双电(dian)(dian)(dian)(dian)(dian)子层：胶核(he)表面(mian)(mian)拥有一层离(li)(li)子，称为电(dian)(dian)(dian)(dian)(dian)位离(li)(li)子，电(dian)(dian)(dian)(dian)(dian)位离(li)(li)子通过静电(dian)(dian)(dian)(dian)(dian)作(zuo)用，把溶液中电(dian)(dian)(dian)(dian)(dian)荷相反的(de)离(li)(li)子吸引到胶核(he)周(zhou)围(wei)，被吸引的(de)离(li)(li)子称为反离(li)(li)子，越靠近胶核(he)表面(mian)(mian)的(de)地(di)方(fang)(fang)反离(li)(li)子越密集，相反，越远(yuan)的(de)地(di)方(fang)(fang)反离(li)(li)子越稀疏，他们的(de)电(dian)(dian)(dian)(dian)(dian)荷总(zong)量与(yu)电(dian)(dian)(dian)(dian)(dian)位离(li)(li)子相等并且符(fu)号相反。因此(ci)，整个(ge)胶团是处于电(dian)(dian)(dian)(dian)(dian)中性状态，而胶核(he)表面(mian)(mian)电(dian)(dian)(dian)(dian)(dian)势(shi)是醉高的(de)，根(gen)据定义Zeta电(dian)(dian)(dian)(dian)(dian)位即(ji)为胶核(he)表面(mian)(mian)电(dian)(dian)(dian)(dian)(dian)势(shi)。3.DLS散(san)射(she)系(xi)统如何测(ce)ZETA电(dian)(dian)(dian)(dian)(dian)位：目前测(ce)量ZETA电(dian)(dian)(dian)(dian)(dian)位的(de)方(fang)(fang)法(fa)(fa)(fa)主要有电(dian)(dian)(dian)(dian)(dian)泳(yong)法(fa)(fa)(fa)、电(dian)(dian)(dian)(dian)(dian)渗法(fa)(fa)(fa)、流动(dong)电(dian)(dian)(dian)(dian)(dian)位法(fa)(fa)(fa)以(yi)及(ji)超声波法(fa)(fa)(fa)。NicompZ3000采用的(de)是主流的(de)电(dian)(dian)(dian)(dian)(dian)泳(yong)法(fa)(fa)(fa)测(ce)试ZETA。广东(dong)常见(jian)zeta电(dian)(dian)(dian)(dian)(dian)位及(ji)纳米粒度仪技术(shu)指(zhi)导

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