ATOMIC SPECTROSCOPY potx

... hạn phát hiện Tự động BGC trong xác định Pb: không BGC (A) và có BGC (B) PHỔ NGUYÊN TỬ (ATOMIC SPECTROSCOPY) Phân tích phổ nguyên tử: phát xạ nguyên tử, hấp thu nguyên tử, và huỳnh quang ... xạ do các hạt rắn rất nhỏ trong ngọn lửa.  đo hấp thu nền và trừ với tổng hấp thu nền và mẫu. ATOMIC FLUORESCENCE PROCESS • Kỹ thuật này là một hình thức kết hợp các đặc trưng của AAS và...

Ngày tải lên: 27/06/2014, 04:20

... Chem 283, 27189–27199. 30 Fabian H & Ma ¨ ntele W (2002) Infrared spectroscopy of proteins. In Handbook of Vibrational Spectroscopy (Chalmers JM & Griffiths PR eds), pp. 3399–3425. Wi- ley, ... inflammation-related changes on conformational characteristics of HLA-B27 subtypes as detected by IR spectroscopy Heinz Fabian 1 , Bernhard Loll 2 , Hans Huser 3 , Dieter Naumann 1 , Barbar...

Ngày tải lên: 06/03/2014, 00:21

... Reliability 418 11.7 Summary 419 12 Atomic Absorption Spectrometry (AAS) and Atomic Emission Spectrometry (AES) 421 12.1 Introduction 421 12.2 Theory of Atomic Spectroscopy 421 12.2.1 Basic Principles ... 466 12.3.6.1 Gas Chromatography -Atomic Absorption Spectrometry 467 12.3.6.2 Liquid Chromatography -Atomic Absorption Spectrometry 469 12.3.7 Conclusion and Future Directions 470 1...

Ngày tải lên: 17/03/2014, 07:20

... the methods of atomic absorption spectroscopy (AAS) and atomic emission spectroscopy (AES). Methods of AAS commonly used for cadmium measurement are flame atomic absorption spectroscopy (FAAS) ... used in atomic absorption spectroscopy is the hollow- cathode lamp. 1.2 Types The field of atomic absorption spectroscopy (AAS) includes: flame (FAAS) and electrothermal (EA...

Ngày tải lên: 22/03/2014, 09:20

... n + -Si substrate covered with 100 nm SiO 2 [12]. Optical microscopy, tapping mode atomic force microscopy (AFM) and μRspectroscopy were used to identify SLG [13]. Some of the as-depos- ited (pristine) ... measurements on the graphene/SiO 2 /n + Si stack, using scanning capaci- tance spectroscopy (SCS) [12,15]. Scanning capacitance spectroscopy (SCS) was per- formed at room temperature...

Ngày tải lên: 21/06/2014, 06:20

... magic-angle-spinning NMR spectroscopy. Nature 420, 98–102. 85 Franks WT, Wylie BJ, Schmidt HLF, Nieuwkoop AJ, Mayrhofer RM, Shah GJ, Graesser DT & Rienstra CM (2008) Dipole tensor-based atomic- resolution ... accepted 5 January 2011) doi:10.1111/j.1742-4658.2011.08005.x A strength of NMR spectroscopy is its ability to monitor, on an atomic level, molecular changes and interactions....

Ngày tải lên: 29/03/2014, 00:20

... proteins as monitored by time-resolved FTIR spectroscopy. Curr. Opin. Struct. Biol. 3, 769–773. 10. Ma ¨ ntele, W. (1996) Infrared and Fourier-transform infrared spectroscopy. In Biophysical Techniques ... Vibrational spectroscopy as a tool for probing protein function. Curr. Opin. Chem. Biol. 4, 518–523. 12. Berthomieu, C., Nabedryk, E., Ma ¨ ntele, W. & Breton, J. (1990) Characteriz...

Ngày tải lên: 30/03/2014, 13:20

... correlation spectroscopy. J. Magn. Reson. 53, 521–528. 25. Jeener, J., Meier, B.H., Bachmann, P. & Ernst, R.R. (1979) Investigation of exchange processes by two-dimensional NMR spectroscopy. ... correlation spectroscopy with improved sensitivity. J. Am. Chem. Soc. 114, 10663–10665. 27. Piotto, M., Saudek, V. & Sklena ´ r, V. (1992) Gradient-tailored excitation for single-quantum...

Ngày tải lên: 31/03/2014, 21:21

... PRIORITY PAPER Structural heterogeneity of pyrimidine/purine-biased DNA sequence analyzed by atomic force microscopy Mikio Kato 1,2 , Chad J. McAllister 2 , Shingo Hokabe 1 , Nobuyoshi Shimizu 3 and ... acetate buffer (pH 4.35) was deposited on APS-modified mica, and after drying it was imaged with an atomic force microscope in air. Various types of thick protrusions have been observed on p...

Ngày tải lên: 31/03/2014, 23:20

... Fluorescence spectroscopy and Fluorescence correlation spectroscopy (FCS) may be applied to under- stand various pathophysiological steps of various micro- organisms [3,4]. Fluorescence spectroscopy ... microorgan- isms and start of specific treatment as soon as possible. Fluorescence spectroscopy Fluorescence spectroscopy seems to be promising diag- nostic technique with fast and r...

Ngày tải lên: 18/06/2014, 15:20