Results 31 to 40 of about 223,281 (310)

Insight in the Crystallization Kinetics of AlPO4-11 Molecular Sieve Using Di-Isopropylamine as Template

open access: yesApplied Sciences, 2021
The hydrothermal synthesis of aluminophosphate molecular sieve type AlPO4-11 was processed from chemicals containing psueudobohemite, 85% phosphoric acid, water, and di-isopropylamine as templating agent. The crystallization of the samples was studied by
Renilson O. Mapele   +7 more
doaj   +1 more source

Near Infrared Microspectroscopy, Fluorescence Microspectroscopy, Infrared Chemical Imaging and High-Resolution Nuclear Magnetic Resonance Analysis of Soybean Seeds, Embryos and Single Cells [PDF]

open access: yes, 2011
Chemical analysis of soybean seeds, somatic embryos and single cells were carried out by Fourier Transform Infrared (FT-IR), Fourier Transform Near Infrared (FT-NIR) Microspectroscopy, Fluorescence and High-Resolution NMR (HR-NMR).
I. C. Baianu   +2 more
core   +2 more sources

Fourier transform spectroscopy in the vibrational fingerprint region with a birefringent interferometer [PDF]

open access: yes, 2017
We introduce a birefringent interferometer for Fourier transform (FT) spectroscopy in the mid-infrared, covering the vibrational fingerprint region (5-10 μm, 1000-2000 cm-1), which is crucial for molecular identification.
BORREGO VARILLAS, Rocio   +6 more
core   +2 more sources

Rapid Determination of Chlorophyll and Pheophytin in Green Tea Using Fourier Transform Infrared Spectroscopy

open access: yesMolecules, 2018
The chlorophyll, pheophytin, and their proportions are critical factors to evaluate the sensory quality of green tea. This research aims to establish an effective method to determine the quantification of chlorophyll and pheophytin in green tea, based on
Xiaoli Li   +6 more
doaj   +1 more source

Structural and morphological studies of polypropylene/kaolin nanocomposite [PDF]

open access: yes, 2018
Nanocomposite of polypropylene (PP) was made by melt intercalation technique with nanokaolin. Kaolin particles were modified with urea by intercalation to produce nanokaolin. Structural and morphological analyses of polypropylene/kaolin nanocomposite was
Adamu, Ajiya Dahiru   +3 more
core   +1 more source

ATR FT-IR Spectroscopy: A Novel and Non-Destructive Approach for the Detection of Blood on a Single Fiber

open access: yesArab Journal of Forensic Sciences & Forensic Medicine, 2020
Blood is often encountered on different types of substrates in criminal investigations. Among such substrates, blood stained fabrics are one of the most commonly encountered evidence.
Sweety Sharma   +2 more
doaj   +1 more source

Identification of Colitis and Cancer in Colon Biopsies by Fourier Transform Infrared Spectroscopy and Chemometrics

open access: yesThe Scientific World Journal, 2012
Cancer is a disease that does great harms to the health of human beings. FT-IR spectroscopy could identify variability at the molecular level in biological specimens.
Xiang Li   +7 more
doaj   +1 more source

Surface Grafting of Poly(L-glutamates). 3. Block Copolymerization [PDF]

open access: yes, 2001
This paper describes for the first time the synthesis of surface-grafted AB-block copolypeptides, consisting of poly(γ-benzyl L-glutamate) (PBLG) as the A-block and poly(γ-methyl L-glutamate) (PMLG) as the B-block.
Chang Y. C.   +28 more
core   +4 more sources

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

open access: yesAdvanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal   +10 more
wiley   +1 more source

Optical and structural properties of aluminium oxide thin films prepared by a non-aqueous sol-gel technique [PDF]

open access: yes, 2011
Clear aluminium oxide sols without precipitation were synthesized via a non-aqueous sol-gel technique using three different alcohols (ethanol, isopropanol and n-butyl alcohol) as solvent, aluminium sec-butoxide as a precursor and acetyl acetone as a ...
Avci, Nursen   +4 more
core   +1 more source

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