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Article
Open AccessComparison of Japanese and Indian intestinal microbiota shows diet-dependent interaction between bacteria and fungi
The bacterial species living in the gut mediate many aspects of biological processes such as nutrition and activation of adaptive immunity. In addition, commensal fungi residing in the intestine also influence...
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Article
GPR31-dependent dendrite protrusion of intestinal CX3CR1+ cells by bacterial metabolites
Small intestinal mononuclear cells that express CX3CR1 (CX3CR1+ cells) regulate immune responses1–5. CX3CR1+ cells take up luminal antigens by protruding their dendrites into the lumen1–4,6. However, it remains u...
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Article
Preparation of nano- and microstructures through molecular assembly of cyclic oligosaccharides
The shape, size, and size distribution of nano- and microstructures formed by the self-assembly of small molecules are crucial factors that govern their chemical and physical properties. Understanding these fa...
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Article
Adsorption capability of urethane-crosslinked heptakis(2,6-di-O-methyl)-β-cyclodextrin polymers toward polychlorobiphenyls in nonpolar organic media
Urethane-crosslinked β-cyclodextrin polymers are prepared by crosslinking heptakis(2,6-di-O-methyl)-β-cyclodextrin (DM-β-CD) with various diisocyanate linkers, such as 4,4′-methylenebis(phenyl isocyanate) (MDI), ...
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Article
Novel hydrolyzable and biodegradable cationic gemini surfactants: Bis(ester-ammonium) dichloride having a butenylene or a butynylene spacer
Novel cationic gemini surfactants, bis(ester-ammonium) dichlorides having a butenylene or a butynylene spacer and an oxycarbonyl group in the lipophilic part, were prepared conveniently and almost quantitative...
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Article
Novel hydrolyzable and biodegradable cationic gemini surfactants: 1,3-bis[(acyloxyalkyl)-dimethylammonio]-2-hydroxypropane dichloride
Novel cationic gemini surfactants, 1,3-bis[(acyloxyalkyl)dimethylammonio]-2-hydroxypropane dichloride, which possess hydrolyzable oxycarbonyl moieties in the lipophilic portions, were prepared. These surfactan...
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Article
Synthesis of Monoazacryptands and their Excellent Transport Ability Toward Alkali Metal Cations in Comparison with Monoazacrown Ethers
The effects of transport conditions and the structure of monoazacrownethers on their transport ability for alkali metal cations through a bulkliquid membrane are summarized and discussed based on transport dat...
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Article
Surface-active properties of novel cationic surfactants with two alkyl chains and two ammonio groups
A series ofbis-quaternary ammonium salts was easily prepared by the reaction of a long-chaintert-alkylamine with epichlorohydrin, and their surface-active properties were measured. The prepared amphipathic compou...
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Article
Preparation and properties of new surfactants containingd-glucosamine as the building block
Three types of new surfactants were prepared by usingN-acetyl-d-glucosamine as a starting material. The first type of surfactant, sodium methyl 4,6-O-alkylidene-2-(carboxyl-atomethylamino)-2-deoxy-d-glucopyranosi...
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Article
Synthetic noncyclic ionophores with multiple carboxylate groups for alkaline earth metal cations
A series of synthetic ionophores containing two carboxylic acid groups were synthesized as carriers for alkaline earth metal cations. Among them, the lipophilic derivative having a trimenthylene bridge and mul...
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Article
New cleavable surfactants derived from glucono-1,5-lactone
New amido nonionic cleavable surfactants were synthesized in good yields by the acetalization of glucono-1,5-lactone with octanal, 2-octanone or 2-undecanone, followed by amidation with monoethanolamine, dieth...
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Article
Tc-99m-methylene diphosphonate (Tc-99m MDP) and Ga-67 concentration in soft tissue malignant fibrous histiocytoma (MFH): Case report
A case of calcifying soft tissue malignant fibrous histiocytoma (MFH) which showed a concentration of Tc-99m MDP and Ga-67 citrate, is presented. Tc-99m MDP and Ga-67 citrate scintigraphies of the thigh mass w...
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Article
Accumulation of Technetium-99m MDP in pseudomyxoma peritonei
An ovarian mutinous cystadenocarcinoma which moderately accumulated Tc-99m MDP was imaged during a whole body bone scan. The primary tumor and its implants in the peritoneal cavity were both visualized and cor...
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Article
A trial of semiquantitative analysis of whole body bone scintigraphy in renal osteodystrophy
Four color processed whole body bone scintigraphy with 99mTc-methylene diphosphonate was performed in six patients on maintenance hemodialysis, and the results of semiquantitative colorimetric analysis were compa...
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Article
Myocardial and vascular uptake of a bone tracer associated with secondary hyperparathyroidism
A patient on chronic hemodialysis, with secondary hyperparathyroidism was referred for a radionuclide bone-imaging study. Deposition of 99mTc-methylene diphosphonate (99mTc-MDP) was apparent in the myocardium and...
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Article
Usefulness of radionuclide bone and joint imaging in vibration disease
Bone and joint imaging with 99mTc-MDP was carried out in 17 patients with vibration disease. A comparison was made between bone scintigraphy and radiography in the regions frequently involved: cervical spine, elb...
