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北京大学化学与分子工程学院彭海琳课题组与合作者Nature Methods ：超平整石墨烯/均匀薄冰支撑膜用于高分辨冷冻电镜成像（图）
彭海琳 Nature Methods 超平整石墨烯 冷冻电镜成像
2023/6/21
近日，北京大学化学与分子工程学院彭海琳课题组、清华大学生命科学学院王宏伟课题组和北京大学工学院韦小丁课题组合作在《自然-方法学》 (Nature Methods)发表了题为“Uniform thin ice on ultraflat graphene for high-resolution cryo-EM”的研究论文，报道了新型超平整石墨烯电镜载网，破解了高分辨冷冻电镜表征中均匀薄冰的制备难题。
第十一届放射分析化学方法和应用国际会议（11th International Conference on Methods and Applications of Radioanalytical Chemistry）
第十一届 放射分析化学方法和应用 国际会议
2018/1/11
Welcome to the homepage of the International Conference on Methods and Applications of Radioanalytical Chemistry (MARC). The MARC conference series' most recent conference was MARC X held in 2015 held...
2017国际测试方法验证，人为错误和测量结果不确定研讨会（International Workshop on Validation of Test Methods,Human Errors and Measurement Uncertainty of Results）
2017 国际测试方法验证，人为错误和测量结果不确定 研讨会
2017/1/13
On behalf of the International Advisory Committee it is my pleasure to invite you to participate in the International Workshop on Validation of Test Methods, Human Errors and Measurement Uncertainty o...
Summer School 2016: Physical Methods in Molecular and Heterogeneous Catalysis
Molecular Theory Spectroscopy
2016/7/26
The synergy of electronic structure theory and spectroscopic methods is transforming modern chemistry, enabling cutting-edge research across all fields of molecular science. Our highly successful seri...
International Workshop on Validation of Test Methods, Human Errors and Measurement Uncertainty of Results
food analysis environmental analysis
2016/7/26
On behalf of the International Advisory Committee it is my pleasure to invite you to participate in the International Workshop on Validation of Test Methods, Human Errors and Measurement Uncertainty o...
Analysis of Noise for Rapid-Scan and Step-Scan Methods of FT-IR Difference spectroscopy
Noise Rapid-Scan Step-Scan Methods FT-IR Difference spectroscopy
2016/5/23
Quantitative vibrational difference spectroscopy of small signals requires techniques that minimize spectral noise. As simple modulation of the sample followed by signal demodulation is often problema...
Development of Mass Spectrometry-Based Methods for Quantitation and Characterization of Protein Drugs: Transferrin as a Model Drug Delivery Vehicle
Mass Spectrometry O18 labeling Protein quantitation Transferrin
2014/11/20
In the last two decades, protein drugs have enjoyed a rapid growth and achieved a tremendous success in treating human diseases. However, the presence of physiological barriers greatly impedes the eff...
Polarographic determination of anticancer drug vitamin K3 with direct and indirect methods/application to serum and K3 injection solution
Vitamin K3 sulfite direct indirect differential pulse polarography
2011/4/6
In this work, direct and indirect methods for determination of vitamin K3 were developed using differential pulse polarography. The reaction between sulfite and the quinone (Q) form of vitamin K3 was ...
Evaluation of Various Linear Regression Methods for Downscaling of Mean Monthly Precipitation in Arid Pichola Watershed
Backward Forward Precipitation Regression Stepwise
2013/3/8
In this paper, downscaling models are developed using various linear regression approaches namely direct, forward, backward and stepwise regression for downscaling of GCM output to predict mean monthl...
Evaluation of Various Linear Regression Methods for Downscaling of Mean Monthly Precipitation in Arid Pichola Watershed
Backward Forward Precipitation Regression Stepwise
2013/3/8
In this paper, downscaling models are developed using various linear regression approaches namely direct, forward, backward and stepwise regression for downscaling of GCM output to predict mean monthl...
Simultaneous Determination of Albendazole and Praziquantel by Second Derivative Spectrophotometry and Multivariated Calibration Methods in Veterinary Pharmaceutical Formulation
Simultaneous Determination of Albendazole Praziquantel Multivariated Calibration Methods Veterinary Pharmaceutical Formulation
2010/9/15
The simultaneous determination of albendazole (ABZ) and praziquantel (PZQ) was performed by different mathematical approaches: second derivative spectrophotometry (SDS), classical least squares, regre...
In vitro and in vivo Methods to Measure the Ceftriaxone Distribution into the Rat Tail Intervertebral Disc
vitro Ceftriaxone Distribution Rat Tail Intervertebral Disc
2010/9/17
To characterize the pathway of ceftriaxone penetration into intervertebral discs, rat-tail discs were collected and immersed in a ceftriaxone solution for an in vitro study. For this in vivo experimen...
Quantitative Estimation Methods for Concentrations and Layer Thicknesses of Elements Using Edge-jump Ratios of X-ray Absorption Spectra
Quantitative Estimation Methods Concentrations Layer Thicknesses Elements Using Edge-jump Ratios of X-ray Absorption Spectra
2010/9/17
This work concerns the development of quantitative estimation techniques using the K edge-jump ratio of X-ray absorption spectrum recorded through total-electron-yield measurements. The three methods ...
Development and Validation of Spectrophotometric Methods for Estimating Amisulpride in Pharmaceutical Preparations
Spectrophotometric Methods Estimating Amisulpride Pharmaceutical Preparations
2010/9/20
Five simple, sensitive, accurate and rapid visible spectrophotometric methods (A, B, C, D and E) have been developed for estimating Amisulpride in pharmaceutical preparations. These are based on the d...
Selective Spectrophotometric and Spectrofluorometric Methods for the Determination of Amantadine Hydrochloride in Capsules and Plasma via Derivatization with 1,2-Naphthoquinone-4-sulphonate
naphthoquinone-4-sulphonate amantadine hydrochloride
2009/9/4
New selective and sensitive spectrophotometric and spectrofluorometric methods have been developed and validated for the determination of amantadine hydrochloride (AMD) in capsules and plasma. The met...