asteroza + biology   189

Intestinal delta-6-desaturase activity determines host range for Toxoplasma sexual reproduction | bioRxiv
The entrepreneur/crazy cat lady parasite can now be farmed in mice, allowing more stock to be available for greater research. Previously they were using cats, but the last place that was breeding cats for parasite harvesting closed so...
cat  parasite  biology  research 
9 weeks ago by asteroza
Center for Electromicrobiology
Interesting research into electroactive bacteria, and the microstructures they build for electron transport. Lots of interesting avenues from bimimicry of the materials for new macro scale materials, to engineered geobacter for sensors
geobactor  cable  electroactive  bacteria  biology  materials  science  research  technology  biomimicry  wire  electron  transport 
11 weeks ago by asteroza
Music in premature infants enhances high-level cognitive brain networks | PNAS
Certain structured music for premature babies can help recover neural development lags from full third term delivered babies it seems. Wonder if running the same sounds through a speaker attached to the woman's belly might improve things for normal babies? MP3's included
preamture  baby  music  audio  stimulation  treatment  health  medicine  neural  network  brain  development  biology  research 
may 2019 by asteroza
A strongly adhesive hemostatic hydrogel for the repair of arterial and heart bleeds | Nature Communications
UV hardening/gelling hydrogel as a way to sell wounds. Sticky so can be used to seal blood vessels. In the Vietnam War, the US military used superglue in the same capacity, but the skin irritation factor is the reason why the FDA never approved it for civilian use.
biology  health  medicine  puncture  wound  blod  vessel  seal  sealant  adheasive  hydrogel  biogel  protein  matrix  trauma  treatment 
may 2019 by asteroza
Evolving Images for Visual Neurons Using a Deep Generative Network Reveals Coding Principles and Neuronal Preferences: Cell
Using some specific monkey neurons that are in a cluster near the ears as a replacement for the discriminator in a GAN deep learning setup, these biology/neurology researchers effectively were able to ask the cells directly what visually interested them.
biology  neurology  monkey  brain  GAN  dep  machine  learning  visual  cortex  facial  recognition  vision  perception 
may 2019 by asteroza
Bacterially Produced, Nacre‐Inspired Composite Materials - Spiesz - - Small - Wiley Online Library
Using bacteria to lay down synthetic nacre layers, in a bottom up manufacturing approach. Surprisingly stiff and bendable.
artificial  synthetic  nacre  calcium  carbonate  composite  biomimicry  biomanufacturing  bacteria  secretion  biology  materials  science  research  technology 
april 2019 by asteroza
Yeast produce low-cost, high-quality cannabinoids
GMO yeast makes THC and CBD. That yeast is usually fed with corn derived sugars. So your next hit is all due to corn.
GMO  genetically  modified  yeast  THC  CBD  cannabinoid  production  synthetic  biology 
february 2019 by asteroza
Hachimoji DNA and RNA: A genetic system with eight building blocks | Science
SBPZ are the new letters, with potential expansion to 12 total letters. Still need to build up the synthetic biology to actually build stuff from the new base pairs, but now we can code it. Maybe useful as a forensic marker for GMO as it is not natural?
hachimoji  DNA  synthetic  nucleotide  protein  biology  research  technology 
february 2019 by asteroza
Brain’s Positioning System Linked to Memory | Quanta Magazine
Evolution reusing things, so animal navigation being used for higher brain functions perhaps...
brain  biology  memory  navigation  mapping  positioning  learning  education  research 
december 2018 by asteroza
APS -71st Annual Meeting of the APS Division of Fluid Dynamics - Event - How do wombats make cubed poo?
So, research how wombats make cubic poop may provide a line towards a third method of manufacturing soft cubic solids. Why is it cubic is speculated as due to ease of building piles, since wombats have poor eyesight.
cubic  feces  azimuth  elastic  tube  production  manufacturing  biology  fluid  dynamics  research  cube 
november 2018 by asteroza
Bacterial Nanobionics via 3D Printing - Nano Letters (ACS Publications)
So 3D printing aligned cynobacteria with graphene boosts spare/extra photocurrent collection 8X. In this case they painted the setup onto a mushroom as a convenient scaffold/host.
biohybrid  bionic  cynobacteria  graphene  photocurrent  collection  power  generator  materials  science  biology  research  technology  nanotechnology  nanoribbon  extracellular  electron  transport  3D  printing  fabbing  symbiosis 
november 2018 by asteroza
Moths survive bat predation through acoustic camouflage fur -- ScienceDaily
interesting fur shape confers audio camouflage via acoustic baffling, possibly replicable via microfiber textures
moth  acoustic  camouflage  audio  baffle  damper  fur  biology  materials  science  research  technology 
november 2018 by asteroza
Making industrial enzymes for high temp/highly acidic environments
artificial  enzyme  high  temperature  acidity  materials  science  biology  research  technology  chemical  industrial  process  manufacturing 
october 2018 by asteroza
Uncovering the psychoactivity of a cannabinoid from liverworts associated with a legal high | Science Advances
Liverwort perrottetinene is a THC analog with less high, more antiinflammatory properties. May be better suited for medical use compared to medical marijuana, and can be synthesized.
liverwort  perrottetinene  biology  medicine  health  research  technology  THC  analog 
october 2018 by asteroza
Cheap plant oil can give us healthier salmon
So farmed salmon eating plant diets lack Omega-3 fatty acids, as they usually get that from eating other fish. Farmed salmon can sorta get that back by adding fish oil to their feed, but that costs money. Now, using transgenic plants that put out DHA and fatty acids as feed seems to fill the nutrition gap for farmed salmon.
transgenic  GM  camelina  plant  fish  farm  salmon  feed  biology  research  technology 
october 2018 by asteroza
A fully autonomous terrestrial bat-like acoustic robot
A test to replicate bat echolocation using wideband ultrasound to get better SLAM
UGV  drone  biomimicry  echolocation  wideband  ultrasound  SLAM  computational  biology  navigation 
september 2018 by asteroza
Some sort of startup focusing on GMO bacteria for advanced material manufacturing
GMO  bacteria  materials  science  biology  research  technology  startup  manufacturing  bioreactor  custom  polymer 
august 2018 by asteroza
Recombinant Spidroins Fully Replicate Primary Mechanical Properties of Natural Spider Silk - Biomacromolecules (ACS Publications)
So they got bacteria to build silk proteins with are almost twice as long as real spider silk proteins, thus the doubled protein is now a near match in performance to true spider silk fiber (true spider silk fiber benefits from good protein design and spinner design though). They seem to think it should be possible to use the fusing method to build even longer proteins to up the strength.
biomimicry  bacteria  GMO  spider  silk  protein  fiber  manufacturing  materials  science  research  technology  synthetic  biology 
august 2018 by asteroza
Nitrogen fixation in a landrace of maize is supported by a mucilage-associated diazotrophic microbiota
Corn/maize variant that doesn't need fertilizer in poor soil because it has weird aerial root structure actively secreting goop that support nitrogen fixation bacteria, so in theory easier/more sustainable agriculture without fertilizer, but the thing is a bit more tree-like and takes 2-3x as long to grow ears. Still neat though.
maize  corn  aerial  root  structure  nitrogen  fixation  biology  research  agriculture  mexico 
august 2018 by asteroza
Enzymatic construction of highly strained carbocycles | Science
Bicyclobutnae is a pain and expensive to make, so hasn't been seriously researched for rocket propellant research, but using e.coli to make it via enzyme catalyst now makes it a biofuel (biorocketfuel?). 8C boiling point versus cryogenic methane makes for an interesting trade study.
bicyclobutane  biology  organic  chemistry  materials  science  research  technology  rocket  fuel  propellant  biofuel  e.coli  bacteria  enzyme  production  catalyst 
july 2018 by asteroza
Swimming bacteria work together to go with the flow
So if harnessed together, a fleet of bacteria can turn the liquid they are in into a superfluid...
bacteria  low  fluid  viscosity  superfluid  physics  biology  research  technology 
july 2018 by asteroza
All languages speak syllables at about the same rate. Neuroscientists now know why | Big Think
So there's a reason the motor cortex is involved in language processing, and why most human languages use a 4-5Hz syllable rate. Entrained auditory signals are chunked at about 4.5Hz., motor cortex internally oscillates at 4-5Hz
brain  neurology  human  language  processing  research  biology 
june 2018 by asteroza
Structural and functional studies of a Fusarium oxysporum cutinase with polyethylene terephthalate modification potential. - PubMed - NCBI
This is the original japanese bacteria found at a waste dump that had evolved to eat PET plastic waste. The enzyme that enabled this was recently further isolated and refined.
PET  plastic  waste  enzyme  biology  chemistry  research  technology 
april 2018 by asteroza
Engineering a plastic-eating enzyme
Isolated a japanese bacteria's plastic eating enzyme, and accidentally made it more powerful.

DOI link is busted
PET  enzyme  biology  materials  science  chemistry  research  technology  plastic  waste 
april 2018 by asteroza
AuB - Athlete micro-biome Bank
So a former soccor player is collecting athlete poop for human microbiome specimens. Since apparently high performance atheletes seem to have fairly different microbiomes from the average person, this is a source of interest for human biology. Potentially, this could lead to performance enhancement treatments, similar to fecal transplants that current move new gut bacteria into people with no/poor performing gut microbiomes.
japan  athelete  microbiome  bank  collection  service  biology  research  human  medicine  health 
april 2018 by asteroza
Culture Robotics
New startup that lets you order bioreactor manufacturable stuff over the web, such as custom proteins and potentially synthetic organisms. Naturally they better be screening the orders for bioweapon parts...
artifical  biology  bioreactor  protein  synthesis  service 
march 2018 by asteroza
Photosystem II Subunit S overexpression increases the efficiency of water use in a field-grown crop | Nature Communications
Single gene tweaks drops water usage by 25% but keeps yield up apparently for tobacco, should work for other plants.
GM  genetically  modified  plant  low  water  usage  efficiency  agriculture  biology  science  research  technology 
march 2018 by asteroza
Solugen - The Makers of Bioperoxide
Using CRISPR/cas9 enzymes to process biomass into hydrogen peroxide, with a more software like lifecycle to tweaking genes to make the oxidase enzymes
GM  CRISPR  cas9  enzyme  chemical  processing  biomass  peroxide  production  manufacturing  genetic  engineering  biology 
october 2017 by asteroza
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