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全部话题 - 话题: spectrometer
1 2 3 4 下页 末页 (共4页)
K******S
发帖数: 10109
1
It depends on your protein's amino acid sequence and what kind of enzyme you
use. For example, trypsin cleaves c-terminus of K and R (not if the
following amino acid is P) so you could get peptides with various length.
Each mass spectrometer has its own mass range that will determine how big/
small it can detect. And if you use LC-MS/MS instrument, the analytical
column also contributes to the detection. C18 columns can't retain
hydrophilic peptides very well.
b******e
发帖数: 362
2
来自主题: Chemistry版 - 求推荐 UV-VIS Spectrometer
想买一台 UV-VIS Spectrometer。 Research grade 的。求DX推荐。有包子送上。
如有vendor 也可pm我。
c******k
发帖数: 1140
3
请问积分时间是什么概念?应用到这光电倍增管或者spectrometer有什么用途呢?什么
时候选择大得积分时间,什么时候选择小得积分时间?扣谢
m******e
发帖数: 432
4
用UV-Vis spectrometer测量吸收来测量ZnO的带宽。我用fused quartz做衬底,ZnO并
没有把衬底全部覆盖(覆盖大约50%)。我做了几组数据,(1)一片,(2)两片
和在一起,(3)三片和在一起。发现测出的带宽都不一样,但是单个片测的结果都一
样。我该咋办?请高人指点指点吧!
m**********t
发帖数: 385
5
浙江西湖高等研究院坐落于中国浙江省杭州市西湖区,是一所由国家“千人计划”专家
以及其他顶尖人才领衔创建的新型非营利高端科研机构。研究院目前包括理学、前沿技
术、基础医学和生物学四个研究所,是一所以基础与前沿科学研究为核心,以博士生培
养为起点的高水平科研教学机构。现因发展需要,高研院诚邀海内外优秀科研平台管理
及技术人才加盟。
一、岗位职责及应聘要求:
1. 实验动物中心
1)主治兽医 招聘人数:1名
岗位职责:
a. 负责设施管理,日常运行, 和PI们及实验者沟通,了解需求,做到在满足实验需求
的基础上保障实验动物质量。
应聘要求:
a. 认同西湖大学理念,工作态度端正、吃苦耐劳,具有团队合作精神和服务意识,原
则性和责任心强,有良好的沟通能力;
b. 硕士及以上学历,生物学相关,有小鼠遗传学、兽医学经验者优先;
c. 善于沟通、思路清晰、认真负责、为人踏实、乐于服务;
d. 具有良好的团队合作精神,良好的独立工作及学习能力,积极上进。
2)胚胎操作技术员 招聘人数:1名
岗位职责:小鼠的生物净化、体外受精、精子和胚胎冷冻以及复苏。
应聘要求:
a. 生物学或医学相关专业毕业,硕... 阅读全帖
W***n
发帖数: 11530
6
来自主题: Military版 - A close-up with a comet
A close-up with a comet
by Staff Writers
Chicago IL (SPX) Nov 12, 2014
On Nov. 12 a robotic lander called Philae is scheduled to touch down on a
comet, following a journey of 10 years and more than 3.7 billion miles. The
mission aims to provide insights into how the solar system evolved, and
whether comet impacts helped form Earth's oceans and brought chemical
precursors of life. (Image courtesy of European Space Agency).
Even as Tom Economou approached retirement age in 1994, he began planning ... 阅读全帖
f*******0
发帖数: 62
7
有幸得到一个AP position, 现需要估算个 startup package。 因为我主要是用E.
Coli express and purify membrane proteins,特向有经验前辈们请教几个主要用到
的仪器大概价格 (有个区间就行)。多谢多谢!
1. High performance liquid chromatography
2. 1L bacteria incubation shaker
3. OD spectrometer (for bacteria concentration measurement)
4. Allegra type centrifuge (for protein solution centrifuge/concentrate)
5. Bacteria cell pelleting, harvesting centrifuge
6. ultracentrifuge
7. Benchtop microcentrifuge
8. mechanical bacterial cell breaker
9. UV absorption spectr... 阅读全帖

发帖数: 1
8
橡树岭国家实验室散裂中子源诚招有物理和计算背景的博后。
课题为运用高性能计算增强非弹性散射中子谱仪的分辨率。年薪约$65k。
https://recruiting.ornl.gov/sap/bc/webdynpro/sap/zornl_hrrcf_c_post_doc?sap-
language=EN&sap-client=010#
Job Posting Title
Postdoctoral Research Associate in Super-Resolution Inelastic Neutron
Scattering
Purpose
The Neutron Sciences Directorate (NScD) at Oak Ridge National Laboratory (
ORNL) operates the High Flux Isotope Reactor (HFIR), the United States'
highest flux reactor based neutron source, and the Spallation Neutron Source
(... 阅读全帖
x**2
发帖数: 255
9
来自主题: Biology版 - 求mass spec高人指点
Orbitrap是一种mass spectrometer
你的样品可以用Orbitrap分析,也可以用其它的mass spectrometer
KingofMS回帖的意思是:三楼回你帖的人用户名叫Orbitrap,真好玩儿
话说你可以多和KingofMS聊聊,他对mass spectrometer的各种应用非常了解
f*******0
发帖数: 62
10
【 以下文字转载自 Faculty 讨论区 】
发信人: fishman80 (最爱鱼儿), 信区: Faculty
标 题: 请教几个用来产生 membrane proteins设备的价格
发信站: BBS 未名空间站 (Mon Feb 25 13:44:06 2013, 美东)
有幸得到一个AP position, 现需要估算个 startup package。 因为我主要是用E.
Coli express and purify membrane proteins,特向有经验前辈们请教几个主要用到
的仪器大概价格 (有个区间就行)。多谢多谢!
1. High performance liquid chromatography
2. 1L bacteria incubation shaker
3. OD spectrometer (for bacteria concentration measurement)
4. Allegra type centrifuge (for protein solution centrifuge/concentrate)
5. Bacteria ce... 阅读全帖

发帖数: 1
11
橡树岭国家实验室散裂中子源诚招有物理和计算背景的博后。
课题为运用高性能计算增强非弹性散射中子谱仪的分辨率。年薪约$65k。
https://recruiting.ornl.gov/sap/bc/webdynpro/sap/zornl_hrrcf_c_post_doc?sap-
language=EN&sap-client=010#
Job Posting Title
Postdoctoral Research Associate in Super-Resolution Inelastic Neutron
Scattering
Purpose
The Neutron Sciences Directorate (NScD) at Oak Ridge National Laboratory (
ORNL) operates the High Flux Isotope Reactor (HFIR), the United States'
highest flux reactor based neutron source, and the Spallation Neutron Source
(... 阅读全帖
U**********b
发帖数: 13
12
【 以下文字转载自 Chemistry 讨论区 】
发信人: UofLlaserlab (UofLlaserlab), 信区: Chemistry
标 题: postdoctoral researcher in solution NMR for protein conformational dynamics
发信站: BBS 未名空间站 (Sat Jan 21 19:01:07 2017, 美东)
The Li lab in the Department of Chemistry at University of Louisville is
seeking a highly motivated postdoctoral researcher to join our lab
immediately.
Our research interests focus on applying solution NMR techniques to
understand the functional roles of protein conformational dynamics in the
deu... 阅读全帖
g********e
发帖数: 1638
13
来自主题: Returnee版 - 第二批青年千人点评--徐伟(Chem)
171 徐伟
(chemistry) 男 1981/10/28 北京理工大学 工程与材料科学 2010
年05月毕业于[美国]普渡大学 [美国]普渡大学 博士后研究助理/Postdoctoral
Research Associate
本人的website在此,
https://engineering.purdue.edu/IDEAS/People/Xu.html
上边文章很少.2009答辩,Thesis 2010提交:
http://docs.lib.purdue.edu/dissertations/AAI3413766/
老板的publicaion在:
http://aston.chem.purdue.edu/publications/2005-2009
属于本青年前人的只有:
Guangming Huang, Wei Xu, Michelle A. Visbal-Onufrak, Zheng Ouyang and R.
Graham Cooks, "Direct analysis of melamine in complex m... 阅读全帖
R****4
发帖数: 71
14
这是纽约时报的原报道链接和原文
http://www.nytimes.com/2015/01/20/science/a-lab-is-trying-to-ke
Food Detectives on a Tough Case
A Lab Is Trying to Keep China From Dodging U.S. Tariffs on Honey
By PETER ANDREY SMITHJAN. 19, 2015
SAVANNAH, Ga. — Behind the immaculate gray walls of the Customs and Border
Protection’s laboratory here stands a cabinet containing three plastic
vials filled with a sticky, yellowish substance. Honey, or so an importer
has claimed.
The lab’s task: Determine whether the samples are adult... 阅读全帖
i*******n
发帖数: 166
15
来自主题: Astronomy版 - Astro-E2/Suzaku
够倒霉的, X-ray Spectrometer的液氦给漏了
http://www.nasa.gov/mission_pages/astro-e2/main/index.html
The Suzaku spacecraft will help us to learn in more detail about the X-ray
sky.
Mission Status
After the successful launch of Suzaku on July 10, 2005, the X-ray Spectrometer
(XRS) was activated and performed to specifications for almost three weeks. On
July 29 the XRS experienced the first of a series of events associated with
helium gas entering the dewar vacuum space. On August 8 there were two such
event
i***0
发帖数: 160
16
来自主题: Biology版 - I love my bench
很喜欢BENCH WORK,尤其喜欢尝试没有做过的实验,研发新的方法,改进已有的
protocal。很喜欢仪器,显微镜,plate reader, spectrometer,HPLC, Mass-
spectrometer. 在一个大的试验室,有老板的资金支持,有足够的自由,有朋友同事的
帮助,我觉得自己每天都在玩,还有人付钱培训我,帮助我,出了东西,还可以发表。
当自己的独立想法,通过自己的双手得到验证,通过自己的演讲和写作得到同行的认可
,这真的是特别让我兴奋得事情。
U**********b
发帖数: 13
17
The Li lab in the Department of Chemistry at University of Louisville is
seeking a highly motivated postdoctoral researcher to join our lab
immediately.
Our research interests focus on applying solution NMR techniques to
understand the functional roles of protein conformational dynamics in the
deubiquitinase family. We’re especially interested in deubiquitinases that
are involved in signaling pathways implicated in cancer and autoimmune
diseases. To accomplish our research goals, we complement s... 阅读全帖
g**********n
发帖数: 4
18
工作描述如下, 本人的背景跟这个位置非常match,简历基本cover所有discription,
已经在线投简历,还请有关前辈多多指点,帮忙再push一下简历给Hiring Manager就太
好了!先谢了.
(在线简历是个德文网站,还要browser翻译成英文,最离谱的是还提示要用“原始语
言”投简历,以便recruiter筛选,算是奇葩经历了)
Job Description A health care company with global reach. A product pipeline
filled to the brim. A team committed to scientific advancement. Think what's
possible. Novartis and its associated companies are always looking for
talented employees globally. We are engaged in advance preparation for
potential position openings.... 阅读全帖
q*d
发帖数: 22178
19
来自主题: Physics版 - 老丁发现暗物质了
吗?
http://news.xinhuanet.com/english/world/2013-04/03/c_132283285.
AMS announces first results in search for dark matter
English.news.cn 2013-04-03 23:22:14
Samuel Ting, Chinese-American principal scientist for the Alpha Magnetic
Spectrometer (AMS) project, is interviewed at the European Organisation for
Nuclear Research's (CERN) near Geneva, April 3, 2013. The AMS team led by
Nobel laureate Samuel Ting announced on Wednesday the first results in the
search for dark matter, re... 阅读全帖
i*******n
发帖数: 166
20
来自主题: _Astronomy版 - Astro-E2/Suzaku
够倒霉的, X-ray Spectrometer的液氦给漏了
http://www.nasa.gov/mission_pages/astro-e2/main/index.html
The Suzaku spacecraft will help us to learn in more detail about the X-ray
sky.
Mission Status
After the successful launch of Suzaku on July 10, 2005, the X-ray Spectrometer
(XRS) was activated and performed to specifications for almost three weeks. On
July 29 the XRS experienced the first of a series of events associated with
helium gas entering the dewar vacuum space. On August 8 there were two such
event
n**e
发帖数: 2026
21
在《诊断骗局之鱼目混珠》一文中,尼罗河揭示贝志城在中央电视台文献记录片中展示
的“远程诊断”不过是他自己从教科书上摘录的内容。人们不禁要问,既然贝志城声称
手里有上千份电邮回复,其中30%作出了铊中毒的正确诊断。一个绝对数字是48份邮件
作出了铊中毒的正确诊断。拿出一份邮件来给大家见识一下这个“正确诊断”应该是没
有问题的。贝志城之所以不能出示“正确诊断”并不是因为他手里没有这样的东西,而
是他遇到一道绕不过去的坎:时间限制性。注意下面这段对话(中央电视台文献记录片
《朱令的12年》):
贝志城:十号发了那是个周一,周三我就给朱令他爸爸打电话说,我看到提问里还有说
是铊中毒。
贝志城:很多医生很激烈地发表意见,说一定要作这个化验,因为她的症状太像铊中毒
了。
朱令父亲:贝志城给我打了个电话,说有人觉得是不是就是铊中毒。
朱令母亲:他(贝志城)说,阿姨你是怎么了,这么多人都说是铊中毒,你为什么就不
去化验。
一个无法改变的事实是,贝志城在48小时之内(1995年4月10日到12日)就锁定了铊中
毒诊断。而他手里根本就没有在48小时之内回复的“正确诊断”。这就是为什么他不敢
当众展示“正确... 阅读全帖
n**e
发帖数: 2026
22
【 以下文字转载自 WaterWorld 讨论区 】
发信人: nile (nile), 信区: WaterWorld
标 题: 清华投毒案——诊断骗局之神话先知
发信站: BBS 未名空间站 (Sat Feb 27 11:11:40 2016, 美东)
核心提要:贝志城通过远程诊断帮助协和医生挽救了朱令的生命,他自己却在第二年被
北大“劝退”。这里面的全部秘密就在于一个关键问题:时间限制性。尼罗河对证据的
分析表明,所谓“远程诊断“不过是一个明修栈道的先知神话。
在《诊断骗局之鱼目混珠》一文中,尼罗河揭示贝志城在中央电视台文献记录片中展示
的“远程诊断”不过是他自己从教科书上摘录的内容。人们不禁要问,既然贝志城声称
手里有上千份电邮回复,其中30%作出了铊中毒的正确诊断。一个绝对数字是84份邮件
作出了铊中毒的正确诊断。拿出一份邮件来给大家见识一下这个“正确诊断”应该是没
有问题的。贝志城之所以不能出示“正确诊断”并不是因为他手里没有这样的东西,而
是他遇到一道绕不过去的坎:时间限制性。注意下面这段对话(中央电视台文献记录片
《朱令的12年》):
贝志城:十号发了那是个周一,周三我... 阅读全帖
n**e
发帖数: 2026
23
【 以下文字转载自 WaterWorld 讨论区 】
发信人: nile (nile), 信区: WaterWorld
标 题: 清华投毒案——诊断骗局之神话先知
发信站: BBS 未名空间站 (Sat Feb 27 11:11:40 2016, 美东)
核心提要:贝志城通过远程诊断帮助协和医生挽救了朱令的生命,他自己却在第二年被
北大“劝退”。这里面的全部秘密就在于一个关键问题:时间限制性。尼罗河对证据的
分析表明,所谓“远程诊断“不过是一个明修栈道的先知神话。
在《诊断骗局之鱼目混珠》一文中,尼罗河揭示贝志城在中央电视台文献记录片中展示
的“远程诊断”不过是他自己从教科书上摘录的内容。人们不禁要问,既然贝志城声称
手里有上千份电邮回复,其中30%作出了铊中毒的正确诊断。一个绝对数字是84份邮件
作出了铊中毒的正确诊断。拿出一份邮件来给大家见识一下这个“正确诊断”应该是没
有问题的。贝志城之所以不能出示“正确诊断”并不是因为他手里没有这样的东西,而
是他遇到一道绕不过去的坎:时间限制性。注意下面这段对话(中央电视台文献记录片
《朱令的12年》):
贝志城:十号发了那是个周一,周三我... 阅读全帖
g****g
发帖数: 1828
24
来自主题: Military版 - 发现号航天飞机
发现号航天飞机(STS Discovery OV-103)是美国国家航空航天局(NASA)肯尼迪太空
中心(KSC)旗下,第三架实际执行太空飞行任务的航天飞机。首次飞行是在1984年8月
30日,负责进行各种科学研究与作为国际太空站计划的支援。于2011年3月9日执行完
STS-133任务后退役。
目录
[隐藏]
* 1 命名
* 2 建造
* 3 历次任务
* 4 参考文献
* 5 外部链接
[编辑] 命名
发现号的命名,源自于一艘18世纪时的英国探险船,伴随著名的詹姆斯·库克船长远征
南太平洋的发现号(HMS Discovery)。在库克船长的探险中,完成了包括发现夏威夷
群岛、新西兰乃至于确认澳洲大陆存在等的功绩,而同行中的另外一艘探险船奋进号(
HMBarque Endeavour)也成为NASA另一架航天飞机奋进号的命名由来。除此之外,库克
船长也曾搭乘发现号探索南阿拉斯加与西北加拿大之间的海岸线,虽然当时正值美国独
立战争期间,英国与美国是交战国,但由于发现号在从事的是非常重要的科学任务,本
杰明·富兰克林甚至特别下达美军不准对该船发... 阅读全帖
m*****d
发帖数: 13718
25
花岗岩吧?没多少人用大理石,不结实
“Using a spectrometer, Llope tested 25 varieties of granite bought from
Houston-area dealers. In some cases, he said, he found countertops that
could expose homeowners to 100 millirems of radiation in just a few months
— the annual exposure limit set by the Department of Energy for visitors to
nuclear labs.”
“The uranium content of Hyderabad granites varied from 10 parts per million
(ppm) to 25 ppm in contrast to 0.23 ppm for Chennai and 1.7 ppm to 7.5 ppm
for Bangalore. ”
h**********o
发帖数: 4127
26
High Resolution Time-of-Flight Aerosol Mass Spectrometer
Real time measurements-online technique
LZ knows nothing about PM
c***c
发帖数: 21374
27
☆─────────────────────────────────────☆
WanderingLA (飞扬) 于 (Tue Nov 22 14:50:45 2011, 美东) 提到:
我在洛杉矶,这边的能见度总体来讲比国内要好,但是呼吸道过敏的人很多很多。美国
人把这个认为是花粉过敏,但是事实上如果查一下该类疾病的发病记录就可以发现,70
年代之前鲜有人得这个病。
事实上70年代是洛杉矶空气污染最为严重的时期,著名的洛杉矶烟雾,是大气化学研究
中的重要课题,到现在也是。
相比国内各大工业城市以含硫煤燃烧引发的大气污染(这也有个名字:伦敦型烟雾),
洛城的空气污染主要是含氮氧化物所至。因为这种微粒不比硫化物那样对大气中的水那
么有亲和力,所以微粒不会在大气中生长得很大,因此基本上不会影响到城市的能见度
(要知道,干净的空气中也必须要有一定含量的各种微粒的,这些微粒对降水的形成非
常重要)。 但是氮氧化物在强烈的太阳照射下,会形成强氧化性的臭氧或者原子氧,
这才是呼吸道疾病的真凶!
洛城最近二十年来,不断地有炎热夏季路人在downtown 突然暴毙的记录,不要以为是
中暑哦!... 阅读全帖
R****a
发帖数: 6858
28
来自主题: Military版 - 中國科學家探測宇宙暗物質獲獎
中國科學家探測宇宙暗物質獲獎
http://paper.wenweipo.com [2012-11-25] 我要評論(0)
放大圖片
■ 阿爾法磁譜儀
香港文匯報訊(記者 于永傑 山東報道)由華裔物理學家丁肇中主持、用於尋找宇宙
中反物質和暗物質存在,以揭開宇宙誕生和演變之謎的阿爾法磁譜儀(Alpha Magnetic
Spectrometer,簡稱AMS,是一種太空高能粒子探測器)計劃目前取得可喜進展,據該
計劃的熱系統首席科學家、山東大學教授程林介紹,初步確定暗物質可能是由超對稱性
中微子組成的。自2011年5月16日阿爾法磁譜儀被送進國際空間站以來,截至今年11月
24日,已經收集到252億個宇宙線數據。而在過去的100年中,這一數據只有30億個。程
林教授稱,這些數據對於研究暗物質有重要的價值。
或由超對稱性中微子組成
11月23日,程林教授與小麥育種專家趙振東研究員分別獲得了2012年度山東省科學技
術最高獎,兩位科學家各得獎金100萬元。在會見記者時,程林教授回答了香港文匯報
記者提問,他說超對稱性中微子在發生碰撞時,會產生正電子(普通電子帶負電,而正
電子即... 阅读全帖
m******r
发帖数: 4351
29
是的。铊中毒就其本身来说症状是非常独特的,大概就像一说起溶液变蓝就想起硫酸铜
一样。不是说连协和自己都一开始就怀疑是铊中毒么,后来因为ZL家属说没有铊接触史
而排除了。

>ZHU LINGS PROBLEMS SOUND LIKE THALLIUM POISONING THE COMBINATION OF ACUTE
HAIR
> >LOSS, GASTROINTESTINAL AND NEUROLOGICAL PROBLEMS IS ALMOST PATHOGNOMONIC.



YOU SHOULD BE ABLE TO DETECT THALLIUM IN THE HAIR WITH A MASS SPECTROMETER I

> >WOULD HAVE THOUGHT.
w***x
发帖数: 1763
30
来自主题: Military版 - 口罩的常识
见这篇论文, 不同公司的n95口罩对0.1-0.3 micron 的颗粒都有至少95%的过滤效率
Am Ind Hyg Assoc J. 1998 Feb;59(2):128-32.
Performance of N95 respirators: filtration efficiency for airborne microbial
and inert particles.
Qian Y1, Willeke K, Grinshpun SA, Donnelly J, Coffey CC.
Author information
1
Department of Environmental Health, University of Cincinnati, OH 45267-0056,
USA. [email protected]
Abstract
In 1995 the National Institute for Occupational Safety and Health issued new
regulations for nonpowered particulate re... 阅读全帖
w***x
发帖数: 1763
31
来自主题: Military版 - 口罩! 关于口罩的常识
见这篇论文, 不同公司的n95口罩对0.1-0.3 micron 的颗粒都有至少95%的过滤效率,
所以应该能直接过滤掉直径0.12 微米的病毒颗粒
Am Ind Hyg Assoc J. 1998 Feb;59(2):128-32.
Performance of N95 respirators: filtration efficiency for airborne microbial
and inert particles.
Qian Y1, Willeke K, Grinshpun SA, Donnelly J, Coffey CC.
Author information
1
Department of Environmental Health, University of Cincinnati, OH 45267-0056,
USA. [email protected]
Abstract
In 1995 the National Institute for Occupational Safety and Health issued new
regulations for... 阅读全帖
c*******o
发帖数: 8869
32
第一作者FRANK WOLF, 共和党,众院商务科技委员会主席,人权委员会主席。
“In the 2011 United States federal budget, Wolf inserted a clause
prohibiting NASA and the White House Office of Science and Technology Policy
from any joint scientific activity with China for the remainder of the 2011
fiscal year. Wolf remarked, "We don't want to give them the opportunity to
take advantage of our technology, and we have nothing to gain from dealing
with them. And frankly, it boils down to a moral issue. ... Would you have a
bilateral pro... 阅读全帖
z*****8
发帖数: 1051
33

are
explanations
not true at all. a lot more people working on instrumental and proxy data
than on computer models. data model comparison is an important approach. but
you clearly have a discipline derived arrogance against climate models and
also ignorance against climate data, the amount of which are beyond your
knowledge maybe even imagination. Not meant to be offensive. speaking what I
see as truth.
the
you missed the whole point about this climate-human debate. The point is the
rate and p... 阅读全帖
m****s
发帖数: 18160
34
【 以下文字转载自 Faculty 讨论区 】
发信人: UofLlaserlab (UofLlaserlab), 信区: Faculty
标 题: Faculty position: STRUCTURAL BIOLOGY OR BIOPHYSICAL CHEMISTRY
发信站: BBS 未名空间站 (Mon Nov 18 13:00:06 2013, 美东)
STRUCTURAL BIOLOGY OR BIOPHYSICAL CHEMISTRY
The Department of Chemistry in the College of Arts and Sciences of the
University of Louisville seeks a tenure-track Assistant Professor in
Structural Biology or Biophysical Chemistry. The successful candidate is
expected to teach biochemistry or physical chemistry at the... 阅读全帖
y***n
发帖数: 28
35
Physical Chemistry Postdoc Research Opportunity at Boston University
 
Xin Chen’s research group, newly-founded at Boston University, Department
of Chemistry in 2011, is seeking a postdoctoral researcher (or a visiting
scholar) with experience in ultrafast laser spectroscopy and nonlinear
optics.  His/her major responsibility would be to set up and carry
experiments using a board-band vibrational sum-frequency spectrometer and
imaging system.  Candidates experienced in nonlinear v... 阅读全帖
U**********b
发帖数: 13
36
STRUCTURAL BIOLOGY OR BIOPHYSICAL CHEMISTRY
The Department of Chemistry in the College of Arts and Sciences of the
University of Louisville seeks a tenure-track Assistant Professor in
Structural Biology or Biophysical Chemistry. The successful candidate is
expected to teach biochemistry or physical chemistry at the graduate and
undergraduate levels and to develop a competitive, extramurally funded
research program in areas related to biomolecular structure or dynamics.
Available facilities incl... 阅读全帖
l*********9
发帖数: 7
37
Sr. Scientist Bioanalytical Mass Spectrometry
Currently seeking a bioanalytical expert who specializes in the metabolism
and metabolite identification of peptide drugs using state-of-the-art mass
spectrometry techniques.
Responsibilities:
Provide pre-clinical pharmacokinetic analysis and metabolite
characterization for our proprietary “Stapled Peptide” drug candidates
using state-of-the-art mass spectrometry techniques.
Independent design and execution of bioanalytical methods
Bioanalytical exp... 阅读全帖
S*********A
发帖数: 2
38
来自主题: JobHunting版 - Opening for PhD with Chemometrics Background
The RD department is looking for a research scientist with the Chemometrics
background and a PhD degrees in Engineering, Chemistry or Physics. The
company is a world leading spectrometer manufacturer for natural gas &
petrochemical industries. Located in a beautiful small city in West Coast.
If you are interested, please contact t*******[email protected]. Official job
description and contact will be provided for serious applicants.
b*****s
发帖数: 18
39
【 以下文字转载自 Chemistry 讨论区 】
发信人: bigjobs (jobs), 信区: Chemistry
标 题: 内推LC-MS相关职位
发信站: BBS 未名空间站 (Tue Dec 2 00:51:20 2014, 美东)
大家找,想找LC-MS相关职位的同学请看过来,可以帮忙内推。下面是Thermo Fisher公
司的一些职位信息,如果有工业界工作经验最好,没有的话博后经验也可以试试。大家
也可以自己上公司网站看看,如果有别的职位适合你的背景,请发站内信联系,可以内
推。
Product Marketing Specialist, Biopharma Market
in US - California - San Jose, US - New Jersey - Somerset, US -
Massachusetts - Cambridge
Job Description
Position Summary:
The Product Marketing Specialist is expected to be the expert in regards t... 阅读全帖
t**l
发帖数: 166
40
来自主题: JobMarket版 - Sr. Optical Engineer (Washing DC area)
Sr. Optical Engineer
- Job Description
Responsibilities:
Design and analyze aerospace optical systems. Interface with parts
manufacturer to get quote and select vendor. Assemble and align optical
systems in labs. Debug optical train to optimize system performance. Perform
optical signal analysis and processing.
Requirements:
# Familiar with optical design tool such as Zemax , Code V and Tracepro.
# Familiar with lab instrument such as collimator, spectrometer, power meter
, oscilloscope, functio... 阅读全帖
m****s
发帖数: 18160
41
【 以下文字转载自 Boston 讨论区 】
发信人: Sciex (LCMSMS), 信区: Boston
标 题: [供求][Job Opening]: Bioanalytical Scientist
发信站: BBS 未名空间站 (Wed Oct 31 11:18:01 2012, 美东)
My group will have an opening position for Bioanalytical Scientist soon.
This is a mid level position, so we don’t need PhD candidate. Meanwhile, we
only look for local candidate at Great Boston area. If you or someone has
interest, please drop me an email at p***[email protected].
Thanks,
Here is the job description:
Description of duties:
The successfu... 阅读全帖
m****s
发帖数: 18160
42
【 以下文字转载自 Faculty 讨论区 】
发信人: UofLlaserlab (UofLlaserlab), 信区: Faculty
标 题: Faculty position: STRUCTURAL BIOLOGY OR BIOPHYSICAL CHEMISTRY
发信站: BBS 未名空间站 (Mon Nov 18 13:00:06 2013, 美东)
STRUCTURAL BIOLOGY OR BIOPHYSICAL CHEMISTRY
The Department of Chemistry in the College of Arts and Sciences of the
University of Louisville seeks a tenure-track Assistant Professor in
Structural Biology or Biophysical Chemistry. The successful candidate is
expected to teach biochemistry or physical chemistry at the... 阅读全帖
b********t
发帖数: 1500
43

GC, GC/FID, GC/MS
or spectrometers
http://www.picarro.com/gas_analyzers/formaldehyde
or EPA METHOD 8520
http://www.epa.gov/wastes/hazard/testmethods/sw846/pdfs/8520.pd
or EPA method 0100
http://www.epa.gov/wastes/hazard/testmethods/sw846/pdfs/0100.pd
or Detector Glass Tube and pump
device: Detector Tube
manufacturer: Matheson-Kitagawa
model/type: 8014-171SB
sampling information: follow manufacturer’s instructions
upper measurement limit: 35 ppm
detection limit: approx. 1 ppm
overall uncertainty... 阅读全帖
n*******t
发帖数: 1296
44
现在有时间想着去和Similac打官司还不如让在不同州的人各提供几盒样品,让第三方
给检测一下,看到底有没有什么问题。重点可以集中在检测重金属和虫卵。结果至少可
以说明:出问题的奶粉到底是大面积的,还是说只有少部分奶粉出问题,但为了安全而
全面召回。
如果这些随机抽取的样品都没有问题,大家就可以放心多了。结果也可以作为有没有必
要打官司和打不打得赢的参考。
有精力牵头打官司的还不如牵个头,大家分摊出钱搞个检测。这个有意义多了。其实学
化学的,有mass spectrometry或者atomic absorption spectrometer的就可以,学生
物的弄个显微镜看看虫卵也可以。
那些说吃了奶粉上吐下泻的在法律上根本不能作为证据,搞个抽样检测才是正道,而且样品也有的是。只要样本足够大,还是说明问题的。
q*****r
发帖数: 32
45
Postdoc Openings at Arizona State University
We are seeking highly motivated individuals for two to three postdoc
positions
available immediately in the research areas of i) fabrication and testing
for highefficiency
multi-junction solar cells, ii) device processing for Si solar cells (or
related Si devices), and iii) modeling, growth, characterization for
selforganized
3D quantum dots and 2D heterostructures such as type-II
superlattice. Applicants should have strong background in one of the ar... 阅读全帖
q*****r
发帖数: 32
46
We are seeking highly motivated individuals for two to three postdoc
positions available immediately in the research areas of i) fabrication and
testing for high- efficiency multi-junction solar cells, ii) device
processing for Si solar cells (or related Si devices), and iii) modeling,
growth, characterization for self- organized 3D quantum dots and 2D
heterostructures such as type-II superlattice. Applicants should have strong
background in one of the areas mentioned above. Application should b... 阅读全帖
y***n
发帖数: 28
47
Physical Chemistry Postdoc Research Opportunity at Boston University
 
Xin Chen’s research group, newly-founded at Boston University, Department
of Chemistry in 2011, is seeking a postdoctoral researcher (or a visiting
scholar) with experience in ultrafast laser spectroscopy and nonlinear
optics.  His/her major responsibility would be to set up and carry
experiments using a board-band vibrational sum-frequency spectrometer and
imaging system.  Candidates experienced in nonlinear v... 阅读全帖
c********t
发帖数: 351
48
Postdoctoral position in the optical spectroscopies group at the University
of Tennessee
The optical spectroscopies group at the University of Tennessee anticipates
an opening for a postdoctoral researcher starting in late 2012/early 2013.
Our program features a series of unique
spectrometers and access to a wide array of chemical and physical tuning
techniques: www.chem.utk.edu/~musfeldt/. Current research areas include: (i)
optical properties of polar oxides, (ii) optical properties of molecul... 阅读全帖
o********e
发帖数: 34
49
【 以下文字转载自 Physics 讨论区 】
发信人: olivertree (Life is good), 信区: Physics
标 题: research scientist position at NIST (open for all nationalities)
发信站: BBS 未名空间站 (Mon Mar 17 16:54:23 2014, 美东)
The Macromolecular and Microstructure Sciences (MMS) team at the NIST Center
for Neutron Research (NCNR) is seeking a research scientist with a strong
record of creativity and achievement in any area of nano and microscale
science or instrumentation science. The candidate should complement and
expand current scien... 阅读全帖
E****a
发帖数: 118
50
如果你(或者你有认识的人)发文章的话,欢迎推荐本人审稿(审稿邮箱:fawa5960@
jila.colorado.edu), 影响因子不限,国内外杂志都可以,发文章的时候可以选建议
推荐人,选我就可以。
本人第二年博后了(一直在美国),我的方向是分子光谱(红外可见光)研究,但
审稿物理化学方向都可以,读博士之前也有一些催化方向的经验,以下是自己的简单介
绍:
I received my Bachelor’s of Science degree in Chemical Physics from
University of Science and Technology of China in 2008. During this I had two
year research experience on surface science and catalysis of model
catalytic systems. my undergraduate thesis was “Synthesis and Catalysis
study of N-doped TiO2 in nano-... 阅读全帖
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