Results 81 to 90 of about 9,001 (206)

Hybrid Calcium Hydroxylapatite–Polynucleotide Skin Booster A Retrospective Cohort Study

open access: yesJournal of Cosmetic Dermatology, Volume 25, Issue 6, June 2026.
ABSTRACT Background Skin quality is increasingly recognized as a multidimensional construct that includes tone evenness, surface evenness, firmness, and radiance. Injectable ‘skin boosters’ have expanded treatment options for diffuse skin‐quality concerns, and combinations of biostimulatory and regenerative agents are increasingly used in practice ...
Andrea Lazzarotto   +8 more
wiley   +1 more source

Theoretical calculations of base-base interactions in nucleic acids: II Stacking interactions in polynucleotides

open access: yes, 1978
Base-base interactions were computed for single- and double- stranded polynucleotides, for all possible base sequences. In each case, both right and left stacking arrangements are energetically possible.
Gupta, Goutam   +2 more
core   +1 more source

Fluorimetric and CD Recognition between Various ds-DNA/RNA Depends on a Cyanine Connectivity in Cyanine-guanidiniocarbonyl-pyrrole Conjugate

open access: yesMolecules, 2020
Two novel isosteric conjugates of guanidiniocarbonyl-pyrrole and 6-bromo-TO (thiazole orange) were prepared, differing only in linker connectivity to cyanine (benzothiazole nitrogen vs. quinoline nitrogen).
Tamara Šmidlehner   +5 more
doaj   +1 more source

On the interaction of doxorubicin with polynucleotides

open access: yes, 2014
The interaction of doxorubicin (DX) with model polynucleotides poly(dG-dC)·poly(dG-dC) (polyGC), poly(dA-dT)·poly(dA-dT) (poly-AT), and calf thymus DNA has been studied by several spectroscopic techniques in phosphate buffer aqueous solutions.
GENNARO, Giuseppe   +10 more
core   +1 more source

Polynucleotide Injection for Enlarged Pores: Comparison of Intradermal Needle and Subdermal Cannula Techniques in a Randomized Split‐Face Trial

open access: yesJournal of Cosmetic Dermatology, Volume 25, Issue 6, June 2026.
ABSTRACT Background Enlarged facial pores are a common cosmetic concern among Asians. Polynucleotides (PN) show potential for skin rejuvenation and pore reduction; however, the optimal delivery approach remains unclear. Objectives To compare the efficacy, safety, and patient satisfaction of PN injections administered using two technique‐based ...
Panod Chinpipat   +6 more
wiley   +1 more source

Structures and superstructures in periodical polynucleotides

open access: yes, 1986
Some theoretical results on the most representative classes of periodic DNAs, characterized by a regular alternation of purine and pyrimidine bases or by sequences with a 10-fold periodicity, are discussed.
DE SANTIS, Pasquale   +7 more
core   +1 more source

Improving iSpyMacCas9 multiplex genome editing in rice by CRISPR‐combo‐mediated BBM1 activation

open access: yesThe Plant Journal, Volume 126, Issue 5, June 2026.
Significance Statement This study establishes iSpyMacCas9‐Combo as an expanded CRISPR‐Combo platform that enables efficient simultaneous genome editing and transcriptional activation in rice, particularly at AT‐rich or low‐efficiency target sites.
Innocent Byiringiro   +5 more
wiley   +1 more source

Synthesis of biopolymers: proteins, polyesters, polysaccharides and polynucleotides

open access: yes, 1996
The synthesis of proteins, polyesters, polysaccharides and polynucleotides can be adapted to produce new macromolecular materials. Proteins of designed sequence, and with specific chemical functions, conferred by the incorporation of unnatural amino ...
Tirrell, Jane G., Tirrell, David A.
core  

The Reaction of Formaldehyde with Polynucleotides

open access: yesJournal of Biological Chemistry, 1961
Formaldehyde has been used extensively for chemically modifying proteins and for inactivating toxins and viruses, although the precise mode of its action is little understood. In the case of tobacco mosaic virus, however, Fraenkel-Conrat (1) and Staehelin (2) have shown that inactivation of the virus is due to interaction of formaldehyde with the amino
R, HASELKORN, P, DOTY
openaire   +2 more sources

Ribozyme Activity of RNA Nonenzymatically Polymerized from 3′,5′-Cyclic GMP

open access: yesEntropy, 2013
3′,5′-Cyclic GMP spontaneously nonenzymatically polymerizes in a base-catalyzed reaction affording G oligonucleotides. When reacted with fully or partially sequence-complementary RNA (oligo C), the abiotically generated oligo G RNA displays a typical ...
Samanta Pino   +5 more
doaj   +1 more source

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