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Showing 25 to 36 of 40 entries
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Polymer transfer technique for strain-activated emission in hexagonal boron nitride.

Optics express

Scheuer KG, Hornig GJ, DeCorby RG.
PMID: 34614923
Opt Express. 2021 Aug 02;29(16):26103-26115. doi: 10.1364/OE.431524.

We present a hexagonal boron nitride (hBN) polymer-assisted transfer technique and discuss subtleties about the process. We then demonstrate localized emission from strained regions of the film draped over features on a prepatterned substrate. Notably, we provide insight into...

Optimisation of enzymatic saccharification of wheat straw pre-treated with sodium hydroxide.

Scientific reports

Wang Z, Wu S, Fan C, Zheng X, Zhang W, Wu D, Wang X, Kong H.
PMID: 34853397
Sci Rep. 2021 Dec 01;11(1):23234. doi: 10.1038/s41598-021-02693-2.

To enhance the reducing sugar yield in enzymatic hydrolysis, various factors (NaOH concentration, solid content and pre-treatment time) that affect the pre-treatment process were investigated and evaluated based on the reducing sugar yield of the subsequent enzymatic hydrolysis. The...

Effects of heavy metals (Hg2+, cd2+, Pb2+) during the embryonic development of acridid grasshoppers (Insecta, caelifera) .

Archives of environmental contamination and toxicology

Devkota B, Schmidt GH.
PMID: 10227860
Arch Environ Contam Toxicol. 1999 May;36(4):405-14. doi: 10.1007/pl00006613.

Heavy metals present in the soil get differently accumulated in organisms and show different rates of toxicity at different stages of the life cycle of any organism living there. To see whether such toxicants get accumulated during the embryonic...

Density profile of water confined in cylindrical pores in MCM-41 silica.

Journal of physics. Condensed matter : an Institute of Physics journal

Soper AK.
PMID: 22277549
J Phys Condens Matter. 2012 Feb 15;24(6):064107. doi: 10.1088/0953-8984/24/6/064107. Epub 2012 Jan 25.

Recently, water absorbed in the porous silica material MCM-41-S15 has been used to demonstrate an apparent fragile to strong dynamical crossover on cooling below ∼220 K, and also to claim that the density of confined water reaches a minimum...

β-cyclodextrin assistant flavonoid glycosides enzymatic hydrolysis.

Pharmacognosy magazine

Jin X, Zhang ZH, Sun E, Jia XB.
PMID: 24143039
Pharmacogn Mag. 2013 Oct;9:S11-8. doi: 10.4103/0973-1296.117851.

BACKGROUND: The content of icaritin and genistein in herba is very low, preparation with relatively large quantities is an important issue for extensive pharmacological studies.OBJECTIVE: This study focuses on preparing and enzymic hydrolysis of flavonoid glycosides /β-cyclodextrin inclusion complex...

Polystyrene-an inert carrier for LXXX-glutaminase production by marine Vibrio costicola under solid-state fermentation.

World journal of microbiology & biotechnology

Nagendra Prabhu G, Chandrasekaran M.
PMID: 24415022
World J Microbiol Biotechnol. 1995 Nov;11(6):683-4. doi: 10.1007/BF00361017.

Polystyrene beads, impregnated with mineral salts/glutamine medium as inert support, were used to produce LXXX-glutaminase from Vibrio costicola by solid-state fermentation. Maximum enzyme yield, 88 U/g substrate, was after 36 h. Glucose at 10 g/kg enhanced the enzyme yield...

Bioenergetics and end-product regulation of Clostridium thermosaccharolyticum in response to nutrient limitation.

Biotechnology and bioengineering

Hill PW, Klapatch TR, Lynd LR.
PMID: 18613135
Biotechnol Bioeng. 1993 Sep 20;42(7):873-83. doi: 10.1002/bit.260420712.

Fermentation of xylose by Clostridium thermosaccharolyticum was studied in batch and continuous culture in which the limiting nutrient was either xylose, phosphate, or ammonia. Transient results obtained in continuous cultures with batch grown inoculum and progressively higher feed substrate...

Combining hot-compressed water and ball milling pretreatments to improve the efficiency of the enzymatic hydrolysis of eucalyptus.

Biotechnology for biofuels

Inoue H, Yano S, Endo T, Sakaki T, Sawayama S.
PMID: 18471309
Biotechnol Biofuels. 2008 Apr 15;1(1):2. doi: 10.1186/1754-6834-1-2.

BACKGROUND: Lignocellulosic biomass such as wood is an attractive material for fuel ethanol production. Pretreatment technologies that increase the digestibility of cellulose and hemicellulose in the lignocellulosic biomass have a major influence on the cost of the subsequent enzymatic...

Glycerol as substrate for biomass and β-carotene production byRhodotorula lactosa.

World journal of microbiology & biotechnology

Martelli HL, da Silva IM, Souza NO, Pomeroy D.
PMID: 24425615
World J Microbiol Biotechnol. 1992 Nov;8(6):635-7. doi: 10.1007/BF01238804.

Glycerol was used as the sole carbon and energy source for growingRhodotorula lactosa. The maximum biomass yield (0.53 g/g substrate) was obtained after 20 h with 21.5 g glycerol/l; growth was inhibited with 28.0 g glycerol/l and cell morphology...

Preparation of antioxidant enzymatic hydrolysates from honeybee-collected pollen using plant enzymes.

Enzyme research

Marinova MD, Tchorbanov BP.
PMID: 21318132
Enzyme Res. 2011 Jan 09;2010:415949. doi: 10.4061/2010/415949.

Enzymatic hydrolysates of honeybee-collected pollen were prepared using food-grade proteinase and aminopeptidases entirely of plant origin. Bromelain from pineapple stem was applied (8 mAU/g substrate) in the first hydrolysis stage. Aminopeptidase (0.05 U/g substrate) and proline iminopeptidase (0.03 U/g...

Thermoactive β-N-acetylhexosaminidase production by a soil isolate of Penicillium monoverticillium CFR 2 under solid state fermentation: parameter optimization and application for N-acetyl chitooligosaccharides preparation from chitin.

World journal of microbiology & biotechnology

Suresh PV, Anil Kumar PK, Sachindra NM.
PMID: 25187143
World J Microbiol Biotechnol. 2011 Jun;27(6):1435-47. doi: 10.1007/s11274-010-0596-z. Epub 2010 Oct 30.

Two fungal strains were evaluated for β-N-acetylhexosaminidase production by solid state fermentation using different agro-industrial residues such as commercial wheat bran (CWB) and shrimp shell chitin waste (SSCW), of which Penicillium monoverticillium CFR 2 a local soil isolate showed...

SERS Sensing Properties of New Graphene/Gold Nanocomposite.

Nanomaterials (Basel, Switzerland)

Neri G, Fazio E, Mineo PG, Scala A, Piperno A.
PMID: 31480339
Nanomaterials (Basel). 2019 Aug 30;9(9). doi: 10.3390/nano9091236.

The development of graphene (G) substrates without damage on the sp

Showing 25 to 36 of 40 entries