Results 61 to 70 of about 3,989,695 (375)

Mycobacterial cell division arrest and smooth‐to‐rough envelope transition using CRISPRi‐mediated genetic repression systems

open access: yesFEBS Open Bio, EarlyView.
CRISPRI‐mediated gene silencing and phenotypic exploration in nontuberculous mycobacteria. In this Research Protocol, we describe approaches to control, monitor, and quantitatively assess CRISPRI‐mediated gene silencing in M. smegmatis and M. abscessus model organisms.
Vanessa Point   +7 more
wiley   +1 more source

Characterization of aroma-active compounds in black sapote (Diospyros digyna Jacq.) [PDF]

open access: yes, 2013
The volatile compounds of black sapote fruit were isolated by simultaneous distillation-solvent extraction and analysed by gas chromatography-flame ionization detector and gas chromatography-mass spectrometry.
Cuevas-Glory, L.   +3 more
core   +1 more source

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

open access: yesFEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc   +8 more
wiley   +1 more source

In-situ synthesizing CoONAl-C catalysts from spent LiCoO2 batteries and tobacco stems biomass: nearly 100 ​% peroxymonosulfate utilization

open access: yesResources, Environment and Sustainability
Strategic metal recovery from spent lithium-ion batteries (LIBs) is urgently required novel technologies with high efficiency, low environmental impact, and strong economic viability.
Teng Guo   +7 more
doaj   +1 more source

Analysis of Volatile Flavor Components in Three Onion by Headspace Solid Phase Microextraction Combined with Gas Chromatography-Mass Spectrometry

open access: yesShipin gongye ke-ji, 2022
In order to study the volatile composition of onion, the volatile flavoring substances of the onion were extracted by headspace solid phase microextraction and determined by gas chromatography-mass spectrometry.
Rong WANG   +6 more
doaj   +1 more source

Effects of virus infection on release of volatile organic compounds from insect-damaged bean, Phaseolus vulgaris [PDF]

open access: yes, 2003
Insects can serve as important vectors of plant pathogens, especially viruses. Insect feeding on plants causes the systemic release of a wide range of plant volatile compounds that can serve as an indirect plant defense by attracting natural enemies of ...
Drumwright, B. Alison   +4 more
core   +2 more sources

Development of Head Space Sorptive Extraction Method for the Determination of Volatile Compounds in Beer and Comparison with Stir Bar Sorptive Extraction [PDF]

open access: yes, 2020
A headspace sorptive extraction method coupled with gas chromatography-mass spectrometry (HSSE-GC-MS) was developed for the determination of 37 volatile compounds in beer.
Castro Mejías, Remedios   +3 more
core   +1 more source

Composite Electrospun Fibers Containing Optimized B‐ and Cu‐Doped Bioactive Glass Sol‐Gel Particles for Potential Soft Tissue Engineering Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This article describes the preparation and characterization of poly(ε‐caprolactone) electrospun composite fibers incorporating sol‐gel‐derived bioactive glass particles doped with B and Cu. Scanning electron microscopy, energy‐dispersive X‐ray spectroscopy, Fourier‐transform infrared spectroscopy, contact angle, acellular bioactivity, mechanical and ...
Elisa Piatti   +5 more
wiley   +1 more source

Flavor compounds in three types of Te-flavor Baijiu based on GC×GC-TOF MS [PDF]

open access: yesZhongguo niangzao
To explore the flavor differences among 3 types of Te-flavor (Texiangxing) Baijiu (new base liquor, 10-year-aged base liquor and finished liquor, numbered as STXJ, XNJJ and STHW respectively), the volatile flavor compounds of the 3 types of Te-flavor ...
SUN Huifan, WU Shengwen, LIN Pei*, YE Zhihong, HUANG Ting, CHANG Ziheng, LIANG Xiaobing
doaj   +1 more source

Gas chromatography of volatile organic compounds [PDF]

open access: yes, 1973
System has been used for problems such as analysis of volatile metabolities in human blood and urine, analysis of air pollutants, and in tobacco smoke chemistry.
Zlatkis, A.
core   +1 more source

Home - About - Disclaimer - Privacy